tizen 2.3.1 release
[framework/multimedia/libmm-player.git] / src / mm_player_priv.c
index 6c07122..cf0dc40 100755 (executable)
@@ -33,6 +33,7 @@
 #include <string.h>
 #include <sys/time.h>
 #include <stdlib.h>
+#include <utilX.h>
 
 #include <mm_error.h>
 #include <mm_attrs.h>
 #include "mm_player_ini.h"
 #include "mm_player_attrs.h"
 #include "mm_player_capture.h"
+#include "mm_player_utils.h"
+#include <sched.h>
+
+#include <mm_sound.h>
+
+#define MM_SMOOTH_STREAMING
 
 /*===========================================================================================
 |                                                                                                                                                                                      |
@@ -69,8 +76,8 @@
 #define TRICK_PLAY_MUTE_THRESHOLD_MIN  0.0
 
 #define MM_VOLUME_FACTOR_DEFAULT               1.0
-#define MM_VOLUME_FACTOR_MIN                           0
-#define MM_VOLUME_FACTOR_MAX                           1.0
+#define MM_VOLUME_FACTOR_MIN                   0
+#define MM_VOLUME_FACTOR_MAX                   1.0
 
 #define MM_PLAYER_FADEOUT_TIME_DEFAULT 700000 // 700 msec
 
 #define MM_PLAYER_WMA_VNAME                            "wmaversion"
 
 #define DEFAULT_PLAYBACK_RATE                  1.0
+#define PLAYBACK_RATE_EX_AUDIO_MIN             0.5
+#define PLAYBACK_RATE_EX_AUDIO_MAX             2.0
+#define PLAYBACK_RATE_EX_VIDEO_MIN             0.5
+#define PLAYBACK_RATE_EX_VIDEO_MAX             1.5
 
-#define GST_QUEUE_DEFAULT_TIME                 2
+#define GST_QUEUE_DEFAULT_TIME                 4
 #define GST_QUEUE_HLS_TIME                             8
 
+#define DEFAULT_AUDIO_CH                               0
+
 /* video capture callback*/
 gulong ahs_appsrc_cb_probe_id = 0;
 
-#define MMPLAYER_USE_FILE_FOR_BUFFERING(player) (((player)->profile.uri_type != MM_PLAYER_URI_TYPE_HLS) && (PLAYER_INI()->http_file_buffer_path) && (strlen(PLAYER_INI()->http_file_buffer_path) > 0) )
-#define MMPLAYER_PLAY_SUBTITLE(player) ((player)->play_subtitle)
+#define MMPLAYER_USE_FILE_FOR_BUFFERING(player) (((player)->profile.uri_type != MM_PLAYER_URI_TYPE_HLS) && (player->ini.http_file_buffer_path) && (strlen(player->ini.http_file_buffer_path) > 0) )
+
+#define        LAZY_PAUSE_TIMEOUT_MSEC 700
+#define MM_PLAYER_NAME "mmplayer"
 
-#define        LAZY_PAUSE_TIMEOUT_MSEC 700     
+//#define ENABLE_DRMSRC
 
 /*---------------------------------------------------------------------------
 |    LOCAL CONSTANT DEFINITIONS:                                                                                       |
@@ -111,84 +126,110 @@ gulong ahs_appsrc_cb_probe_id = 0;
 /*---------------------------------------------------------------------------
 |    LOCAL FUNCTION PROTOTYPES:                                                                                                |
 ---------------------------------------------------------------------------*/
-static gboolean __mmplayer_set_state(mm_player_t* player, int state);
-static int             __mmplayer_get_state(mm_player_t* player);
-static int             __mmplayer_gst_create_video_pipeline(mm_player_t* player, GstCaps *caps);
+static int             __mmplayer_set_state(mm_player_t* player, int state);
+static int             __mmplayer_gst_create_video_pipeline(mm_player_t* player, GstCaps *caps, MMDisplaySurfaceType surface_type);
 static int             __mmplayer_gst_create_audio_pipeline(mm_player_t* player);
 static int             __mmplayer_gst_create_text_pipeline(mm_player_t* player);
-static int             __mmplayer_gst_create_subtitle_pipeline(mm_player_t* player);
+static int             __mmplayer_gst_create_subtitle_src(mm_player_t* player);
 static int             __mmplayer_gst_create_pipeline(mm_player_t* player);
 static int             __mmplayer_gst_destroy_pipeline(mm_player_t* player);
 static int             __mmplayer_gst_element_link_bucket(GList* element_bucket);
 
 static gboolean __mmplayer_gst_callback(GstBus *bus, GstMessage *msg, gpointer data);
-static void    __mmplayer_gst_decode_callback(GstElement *decodebin, GstPad *pad, gboolean last, gpointer data);
+static void    __mmplayer_gst_selector_blocked(GstPad* pad, gboolean blocked, gpointer data);
+static void            __mmplayer_gst_decode_pad_added(GstElement* elem, GstPad* pad, gpointer data);
+static void    __mmplayer_gst_decode_no_more_pads(GstElement* elem, gpointer data);
+static void    __mmplayer_gst_decode_callback(GstElement *decodebin, GstPad *pad, gpointer data);
+static void            __mmplayer_gst_decode_unknown_type(GstElement *elem,  GstPad* pad, GstCaps *caps, gpointer data);
+static gboolean __mmplayer_gst_decode_autoplug_continue(GstElement *bin,  GstPad* pad, GstCaps * caps,  gpointer data);
+static gint __mmplayer_gst_decode_autoplug_select(GstElement *bin,  GstPad* pad, GstCaps * caps, GstElementFactory* factory, gpointer data);
+//static GValueArray* __mmplayer_gst_decode_autoplug_factories(GstElement *bin,  GstPad* pad, GstCaps * caps,  gpointer data);
+static GValueArray* __mmplayer_gst_decode_autoplug_sort(GstElement *bin,  GstPad* pad, GstCaps * caps, GValueArray *factories, gpointer data);
+static void __mmplayer_gst_decode_pad_removed(GstElement *elem,  GstPad* new_pad, gpointer data);
+static void __mmplayer_gst_decode_drained(GstElement *bin, gpointer data);
+static void    __mmplayer_gst_element_added(GstElement* bin, GstElement* element, gpointer data);
+static GstElement * __mmplayer_create_decodebin(mm_player_t* player);
+static gboolean __mmplayer_try_to_plug_decodebin(mm_player_t* player, GstPad *srcpad, const GstCaps *caps);
 
 static void    __mmplayer_typefind_have_type(  GstElement *tf, guint probability, GstCaps *caps, gpointer data);
 static gboolean __mmplayer_try_to_plug(mm_player_t* player, GstPad *pad, const GstCaps *caps);
 static void    __mmplayer_pipeline_complete(GstElement *decodebin,  gpointer data);
 static gboolean __mmplayer_is_midi_type(gchar* str_caps);
-static gboolean __mmplayer_is_amr_type (gchar *str_caps);
 static gboolean __mmplayer_is_only_mp3_type (gchar *str_caps);
+static gboolean __mmplayer_is_omx_decoder_type(mm_player_t* player); // mp3
+static void    __mmplayer_set_audio_attrs(mm_player_t* player, GstCaps* caps);
+//static void  __mmplayer_check_video_zero_cpoy(mm_player_t* player, GstElementFactory* factory);
 
 static gboolean        __mmplayer_close_link(mm_player_t* player, GstPad *srcpad, GstElement *sinkelement, const char *padname, const GList *templlist);
 static gboolean __mmplayer_feature_filter(GstPluginFeature *feature, gpointer data);
 static void    __mmplayer_add_new_pad(GstElement *element, GstPad *pad, gpointer data);
 
 static void            __mmplayer_gst_rtp_no_more_pads (GstElement *element,  gpointer data);
+static void    __mmplayer_gst_wfd_dynamic_pad (GstElement *element, GstPad *pad, gpointer data);
 static void            __mmplayer_gst_rtp_dynamic_pad (GstElement *element, GstPad *pad, gpointer data);
-static gboolean        __mmplayer_update_stream_service_type( mm_player_t* player );
+static gboolean        __mmplayer_get_stream_service_type( mm_player_t* player );
 static gboolean        __mmplayer_update_subtitle( GstElement* object, GstBuffer *buffer, GstPad *pad, gpointer data);
 
 
 static void    __mmplayer_init_factories(mm_player_t* player);
 static void    __mmplayer_release_factories(mm_player_t* player);
-static void    __mmplayer_release_misc(mm_player_t* player);
-static gboolean        __mmplayer_gstreamer_init(void);
+static void            __mmplayer_release_misc(mm_player_t* player);
+static void            __mmplayer_release_misc_post(mm_player_t* player);
+static gboolean        __mmplayer_init_gstreamer(mm_player_t* player);
 
 static int             __mmplayer_gst_set_state (mm_player_t* player, GstElement * pipeline,  GstState state, gboolean async, gint timeout );
-gboolean __mmplayer_post_message(mm_player_t* player, enum MMMessageType msgtype, MMMessageParamType* param);
 static gboolean        __mmplayer_gst_extract_tag_from_msg(mm_player_t* player, GstMessage *msg);
+static gboolean      __mmplayer_gst_handle_duration(mm_player_t* player, GstMessage* msg);
+
 int            __mmplayer_switch_audio_sink (mm_player_t* player);
 static gboolean __mmplayer_gst_remove_fakesink(mm_player_t* player, MMPlayerGstElement* fakesink);
 static int             __mmplayer_check_state(mm_player_t* player, enum PlayerCommandState command);
 static gboolean __mmplayer_audio_stream_probe (GstPad *pad, GstBuffer *buffer, gpointer u_data);
+static gboolean __mmplayer_video_stream_probe (GstPad *pad, GstBuffer *buffer, gpointer u_data);
+static gboolean __mmplayer_subtitle_adjust_position_probe(GstPad *pad, GstBuffer *buffer, gpointer u_data);
+static int __mmplayer_change_selector_pad (mm_player_t* player, MMPlayerTrackType type, int index);
 
 static gboolean __mmplayer_dump_pipeline_state( mm_player_t* player );
 static gboolean __mmplayer_check_subtitle( mm_player_t* player );
 static gboolean __mmplayer_handle_gst_error ( mm_player_t* player, GstMessage * message, GError* error );
 static gboolean __mmplayer_handle_streaming_error  ( mm_player_t* player, GstMessage * message );
-static void            __mmplayer_post_delayed_eos( mm_player_t* player, int delay_in_ms );
-static void    __mmplayer_cancel_delayed_eos( mm_player_t* player );
+static void            __mmplayer_handle_eos_delay( mm_player_t* player, int delay_in_ms );
+static void    __mmplayer_cancel_eos_timer( mm_player_t* player );
 static gboolean        __mmplayer_eos_timer_cb(gpointer u_data);
 static gboolean __mmplayer_link_decoder( mm_player_t* player,GstPad *srcpad);
 static gboolean __mmplayer_link_sink( mm_player_t* player,GstPad *srcpad);
-static int     __mmplayer_post_missed_plugin(mm_player_t* player);
-static int             __mmplayer_check_not_supported_codec(mm_player_t* player, gchar* mime);
+static int     __mmplayer_handle_missed_plugin(mm_player_t* player);
+static int             __mmplayer_check_not_supported_codec(mm_player_t* player, const gchar* factory_class, const gchar* mime);
 static gboolean __mmplayer_configure_audio_callback(mm_player_t* player);
 static void    __mmplayer_add_sink( mm_player_t* player, GstElement* sink);
-static void            __mmplayer_release_signal_connection(mm_player_t* player);
+static void    __mmplayer_del_sink( mm_player_t* player, GstElement* sink);
+static void    __mmplayer_release_signal_connection(mm_player_t* player, MMPlayerSignalType type);
 static void __mmplayer_set_antishock( mm_player_t* player, gboolean disable_by_force);
+static gpointer __mmplayer_next_play_thread(gpointer data);
 static gpointer __mmplayer_repeat_thread(gpointer data);
-int _mmplayer_get_track_count(MMHandleType hplayer,  MMPlayerTrackType track_type, int *count);
+static gboolean _mmplayer_update_content_attrs(mm_player_t* player, enum content_attr_flag flag);
+
+
+static gboolean __mmplayer_add_dump_buffer_probe(mm_player_t *player, GstElement *element);
+static gboolean __mmplayer_dump_buffer_probe_cb(GstPad *pad, GstBuffer *buffer, gpointer u_data);
+static void __mmplayer_release_dump_list (GList *dump_list);
 
 static int             __gst_realize(mm_player_t* player);
 static int             __gst_unrealize(mm_player_t* player);
 static int             __gst_start(mm_player_t* player);
 static int             __gst_stop(mm_player_t* player);
-int            __gst_pause(mm_player_t* player, gboolean async);
-int            __gst_resume(mm_player_t* player, gboolean async);
+static int             __gst_pause(mm_player_t* player, gboolean async);
+static int             __gst_resume(mm_player_t* player, gboolean async);
 static gboolean        __gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
                                        GstFormat format, GstSeekFlags flags, GstSeekType cur_type,
                                        gint64 cur, GstSeekType stop_type, gint64 stop );
 static int __gst_pending_seek ( mm_player_t* player );
 
-static int             __gst_set_position(mm_player_t* player, int format, unsigned long position);
+static int             __gst_set_position(mm_player_t* player, int format, unsigned long position, gboolean internal_called);
 static int             __gst_get_position(mm_player_t* player, int format, unsigned long *position);
 static int             __gst_get_buffer_position(mm_player_t* player, int format, unsigned long* start_pos, unsigned long* stop_pos);
 static int             __gst_adjust_subtitle_position(mm_player_t* player, int format, int position);
 static int             __gst_set_message_callback(mm_player_t* player, MMMessageCallback callback, gpointer user_param);
-static void    __gst_set_async_state_change(mm_player_t* player, gboolean async);
 
 static gint    __gst_handle_core_error( mm_player_t* player, int code );
 static gint    __gst_handle_library_error( mm_player_t* player, int code );
@@ -197,7 +238,6 @@ static gint         __gst_handle_stream_error( mm_player_t* player, GError* error, GstM
 static gint            __gst_transform_gsterror( mm_player_t* player, GstMessage * message, GError* error);
 static gboolean __gst_send_event_to_sink( mm_player_t* player, GstEvent* event );
 
-static int  __mmplayer_get_video_frame_from_buffer(mm_player_t* player, GstBuffer *buffer);
 static int __mmplayer_set_pcm_extraction(mm_player_t* player);
 static gboolean __mmplayer_can_extract_pcm( mm_player_t* player );
 
@@ -207,20 +247,52 @@ static void __mmplayer_undo_sound_fadedown(mm_player_t* player);
 
 static void    __mmplayer_add_new_caps(GstPad* pad, GParamSpec* unused, gpointer data);
 static void __mmplayer_set_unlinked_mime_type(mm_player_t* player, GstCaps *caps);
-static void __mmplayer_set_videosink_type(mm_player_t* player);
 
 /* util */
 const gchar * __get_state_name ( int state );
 static gboolean __is_streaming( mm_player_t* player );
 static gboolean __is_rtsp_streaming( mm_player_t* player );
+static gboolean __is_wfd_streaming( mm_player_t* player );
 static gboolean __is_live_streaming ( mm_player_t* player );
 static gboolean __is_http_streaming( mm_player_t* player );
 static gboolean __is_http_live_streaming( mm_player_t* player );
+static gboolean __is_dash_streaming( mm_player_t* player );
+static gboolean __is_smooth_streaming( mm_player_t* player );
 static gboolean __is_http_progressive_down(mm_player_t* player);
+static gboolean __has_suffix(mm_player_t * player, const gchar * suffix);
 
-static gboolean __mmplayer_warm_up_video_codec( mm_player_t* player,  GstElementFactory *factory);
 static GstBusSyncReply __mmplayer_bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data);
 
+static int  __mmplayer_realize_streaming_ext(mm_player_t* player);
+static int __mmplayer_unrealize_streaming_ext(mm_player_t *player);
+static int __mmplayer_start_streaming_ext(mm_player_t *player);
+static int __mmplayer_destroy_streaming_ext(mm_player_t* player);
+static int __mmplayer_do_change_videosink(mm_player_t* player, const int dec_index, const char *videosink_element, MMDisplaySurfaceType surface_type, void *display_overlay);
+static void __mmplayer_remove_g_source_from_context(GMainContext *context, guint source_id);
+
+static gboolean __mmplayer_verify_next_play_path(mm_player_t *player);
+static void __mmplayer_activate_next_source(mm_player_t *player, GstState target);
+static void __mmplayer_check_pipeline(mm_player_t* player);
+static gboolean __mmplayer_deactivate_selector(mm_player_t *player, MMPlayerTrackType type);
+static void __mmplayer_deactivate_old_path(mm_player_t *player);
+static int __mmplayer_ignore_current_external_display_mode(mm_player_t* player);
+#if 0 // We'll need this in future.
+static int __mmplayer_gst_switching_element(mm_player_t *player, GstElement *search_from, const gchar *removal_name, const gchar *new_element_name);
+#endif
+
+static void __mmplayer_update_buffer_setting(mm_player_t *player, GstMessage *buffering_msg);
+static GstElement *__mmplayer_element_create_and_link(mm_player_t *player, GstPad* pad, const char* name);
+static gboolean __mmplayer_can_do_interrupt(mm_player_t *player);
+
+/* device change post proc */
+void __mmplayer_device_change_post_process(gpointer user);
+void __mmplayer_set_required_cb_score(mm_player_t* player, guint score);
+void __mmplayer_inc_cb_score(mm_player_t* player);
+void __mmplayer_post_proc_reset(mm_player_t* player);
+void __mmplayer_device_change_trigger_post_process(mm_player_t* player);
+static int __mmplayer_gst_create_plain_text_elements(mm_player_t* player);
+
+
 /*===========================================================================================
 |                                                                                                                                                                                      |
 |  FUNCTION DEFINITIONS                                                                                                                                                |
@@ -234,28 +306,26 @@ __mmplayer_check_state(mm_player_t* player, enum PlayerCommandState command)
 {
        MMPlayerStateType current_state = MM_PLAYER_STATE_NUM;
        MMPlayerStateType pending_state = MM_PLAYER_STATE_NUM;
-       MMPlayerStateType target_state = MM_PLAYER_STATE_NUM;
-       MMPlayerStateType prev_state = MM_PLAYER_STATE_NUM;
-
-       debug_fenter();
+//     MMPlayerStateType target_state = MM_PLAYER_STATE_NUM;
+//     MMPlayerStateType prev_state = MM_PLAYER_STATE_NUM;
 
        return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
+       //debug_log("incomming command : %d \n", command );
+
        current_state = MMPLAYER_CURRENT_STATE(player);
        pending_state = MMPLAYER_PENDING_STATE(player);
-       target_state = MMPLAYER_TARGET_STATE(player);
-       prev_state = MMPLAYER_PREV_STATE(player);
+//     target_state = MMPLAYER_TARGET_STATE(player);
+//     prev_state = MMPLAYER_PREV_STATE(player);
 
        MMPLAYER_PRINT_STATE(player);
 
-       debug_log("incomming command : %d", command );
-
        switch( command )
        {
                case MMPLAYER_COMMAND_CREATE:
                {
                        MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_NULL;
-                       
+
                        if ( current_state == MM_PLAYER_STATE_NULL ||
                                current_state == MM_PLAYER_STATE_READY ||
                                current_state == MM_PLAYER_STATE_PAUSED ||
@@ -334,7 +404,7 @@ __mmplayer_check_state(mm_player_t* player, enum PlayerCommandState command)
 
                        if ( current_state == MM_PLAYER_STATE_READY )
                                goto NO_OP;
-                       
+
                        /* need playing/paused state to stop */
                        if ( current_state != MM_PLAYER_STATE_PLAYING &&
                                 current_state != MM_PLAYER_STATE_PAUSED )
@@ -376,8 +446,6 @@ __mmplayer_check_state(mm_player_t* player, enum PlayerCommandState command)
 
                case MMPLAYER_COMMAND_RESUME:
                {
-                       if ( MMPLAYER_IS_LIVE_STREAMING(player) )
-                               goto NO_OP;
 
                        if (player->doing_seek)
                                goto NOT_COMPLETED_SEEK;
@@ -409,20 +477,17 @@ __mmplayer_check_state(mm_player_t* player, enum PlayerCommandState command)
                default:
                break;
        }
-
-       debug_log("status OK\n");
        player->cmd = command;
 
-       debug_fenter();
        return MM_ERROR_NONE;
 
-
 INVALID_STATE:
        debug_warning("since player is in wrong state(%s). it's not able to apply the command(%d)",
                MMPLAYER_STATE_GET_NAME(current_state), command);
        return MM_ERROR_PLAYER_INVALID_STATE;
 
 NOT_COMPLETED_SEEK:
+       debug_warning("not completed seek");
        return MM_ERROR_PLAYER_DOING_SEEK;
 
 NO_OP:
@@ -441,22 +506,26 @@ __mmplayer_gst_set_state (mm_player_t* player, GstElement * element,  GstState s
        GstState element_pending_state = GST_STATE_VOID_PENDING;
        GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
 
-       debug_fenter();
-       
+       MMPLAYER_FENTER();
+
        return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
        return_val_if_fail ( element, MM_ERROR_INVALID_ARGUMENT );
 
-       debug_log("setting [%s] state to : %d\n", GST_ELEMENT_NAME(element),  state);
+       debug_log("setting [%s] element state to : %s\n", GST_ELEMENT_NAME(element), gst_element_state_get_name(state));
 
        /* set state */
        ret = gst_element_set_state(element, state);
 
        if ( ret == GST_STATE_CHANGE_FAILURE )
        {
-               debug_error("failed to set  [%s] state to [%d]\n", GST_ELEMENT_NAME(element), state);
+               debug_error("failed to set [%s] state\n", GST_ELEMENT_NAME(element));
+
+               /* dump state of all element */
+               __mmplayer_dump_pipeline_state( player );
+
                return MM_ERROR_PLAYER_INTERNAL;
        }
-       
+
        /* return here so state transition to be done in async mode */
        if ( async )
        {
@@ -469,9188 +538,14143 @@ __mmplayer_gst_set_state (mm_player_t* player, GstElement * element,  GstState s
 
        if ( ret == GST_STATE_CHANGE_FAILURE || ( state != element_state ) )
        {
-               debug_error("failed to change [%s] state to [%s] within %d sec\n",
-                       GST_ELEMENT_NAME(element), 
+               debug_error("failed to change [%s] element state to [%s] within %d sec\n",
+                       GST_ELEMENT_NAME(element),
                        gst_element_state_get_name(state), timeout );
-               
-               debug_error(" [%s] state : %s   pending : %s \n", 
-                       GST_ELEMENT_NAME(element), 
-                       gst_element_state_get_name(element_state), 
+
+               debug_error(" [%s] state : %s   pending : %s \n",
+                       GST_ELEMENT_NAME(element),
+                       gst_element_state_get_name(element_state),
                        gst_element_state_get_name(element_pending_state) );
 
+               /* dump state of all element */
+               __mmplayer_dump_pipeline_state( player );
+
                return MM_ERROR_PLAYER_INTERNAL;
        }
 
-       debug_log("[%s] state has changed to %s \n", 
-               GST_ELEMENT_NAME(element), 
-               gst_element_state_get_name(element_state));
+       debug_log("[%s] element state has changed\n", GST_ELEMENT_NAME(element));
+
+       MMPLAYER_FLEAVE();
 
-       debug_fleave();
-       
        return MM_ERROR_NONE;
 }
 
-
 static void
-__mmplayer_videostream_cb(GstElement *element, void *stream,
-int width, int height, gpointer data) // @
+__mmplayer_videostream_cb(GstElement *element, void *data,
+int width, int height, gpointer user_data) // @
 {
-       mm_player_t* player = (mm_player_t*)data;
-       int length = 0;
+       mm_player_t* player = (mm_player_t*)user_data;
 
        return_if_fail ( player );
 
-       if (player->video_stream_cb )
-       {
-               length = width * height * 4; // for rgb 32bit
-               player->video_stream_cb(stream, length, player->video_stream_cb_user_param, width, height);
-       }
-}
-
-gboolean
-_mmplayer_update_content_attrs(mm_player_t* player) // @
-{
-       GstFormat fmt  = GST_FORMAT_TIME;
-       gint64 dur_nsec = 0;
-       GstStructure* p = NULL;
-       MMHandleType attrs = 0;
-       gint retry_count = 0;
-       gint retry_count_max = 10;
-       gchar *path = NULL;
-       struct stat sb;
-
-       return_val_if_fail ( player, FALSE );
+       MMPLAYER_FENTER();
 
-       if ( ! player->need_update_content_attrs )
+       if (player->is_drm_file)
        {
-               debug_log("content attributes are already updated");
-               return TRUE;
+               MMMessageParamType msg_param = { 0, };
+               debug_warning("not supported in drm file");
+               msg_param.code = MM_ERROR_PLAYER_DRM_OUTPUT_PROTECTION;
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
        }
-
-       /* get content attribute first */
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
+       else if ( !player->set_mode.media_packet_video_stream && player->video_stream_cb)
        {
-               debug_error("cannot get content attribute");
-               return FALSE;
-       }
+               MMPlayerVideoStreamDataType stream;
 
-       /* update duration
-        * NOTE : we need to wait for a while until is possible to get duration from pipeline
-        * as getting duration timing is depends on behavier of demuxers ( or etc ).
-        * we set timeout 100ms * 10 as initial value. fix it if needed.
-        */
-       if ( player->need_update_content_dur  )
-       {
-               while ( retry_count <  retry_count_max)
-               {
-                       if ( FALSE == gst_element_query_duration( player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
-                               &fmt, &dur_nsec ) )
-                       {
-                               /* retry if failed */
-                               debug_warning("failed to get duraton. waiting 100ms and then retrying...");
-                               usleep(100000);
-                               retry_count++;
-                               continue;
-                       }
+               /* clear stream data structure */
+               memset(&stream, 0x0, sizeof(MMPlayerVideoStreamDataType));
 
-                       if ( dur_nsec == 0 && ( !MMPLAYER_IS_LIVE_STREAMING( player ) ) )
-                       {
-                               /* retry if duration is zero in case of not live stream */
-                               debug_warning("returned duration is zero. but it's not an live stream. retrying...");
-                               usleep(100000);
-                               retry_count++;
-                               continue;
-                       }
+               stream.data = data;
+               stream.length_total = width * height * 4; // for rgb 32bit
+               stream.height = height;
+               stream.width = width;
+               player->video_stream_cb(&stream, player->video_stream_cb_user_param);
+       }
 
-                       break;
-               }
+       MMPLAYER_FLEAVE();
+}
 
-               player->duration = dur_nsec;
-               debug_log("duration : %lld msec", GST_TIME_AS_MSECONDS(dur_nsec));
+static void
+__mmplayer_videoframe_render_error_cb(GstElement *element, void *error_id, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
 
-               /* try to get streaming service type */
-               __mmplayer_update_stream_service_type( player );
+       return_if_fail ( player );
 
-               /* check duration is OK */
-               if ( dur_nsec == 0 && !MMPLAYER_IS_LIVE_STREAMING( player ) )
+       MMPLAYER_FENTER();
+
+       if (player->video_frame_render_error_cb )
+       {
+               if (player->attrs)
                {
-                       /* FIXIT : find another way to get duration here. */
-                       debug_error("finally it's failed to get duration from pipeline. progressbar will not work correctely!");
+                       int surface_type = 0;
+                       mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &surface_type);
+                       switch (surface_type)
+                       {
+                       case MM_DISPLAY_SURFACE_X_EXT:
+                               player->video_frame_render_error_cb((unsigned int*)error_id, player->video_frame_render_error_cb_user_param);
+                               debug_log("display surface type(X_EXT) : render error callback(%p) is finished", player->video_frame_render_error_cb);
+                               break;
+                       default:
+                               debug_error("video_frame_render_error_cb was set, but this surface type(%d) is not supported", surface_type);
+                               break;
+                       }
                }
                else
                {
-                       player->need_update_content_dur = FALSE;
+                       debug_error("could not get surface type");
                }
-
-               /*update duration */
-               mm_attrs_set_int_by_name(attrs, "content_duration", GST_TIME_AS_MSECONDS(dur_nsec));
        }
        else
        {
-               debug_log("no ready to get or content duration already updated");
+               debug_warning("video_frame_render_error_cb was not set");
        }
 
-       /* update rate, channels */
-       if ( player->pipeline->audiobin &&
-                player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
-       {
-               GstCaps *caps_a = NULL;
-               GstPad* pad = NULL;
-               gint samplerate = 0, channels = 0;
+       MMPLAYER_FLEAVE();
+}
 
-               pad = gst_element_get_static_pad(
-                               player->pipeline->audiobin[MMPLAYER_A_CONV].gst, "sink" );
+void
+__mmplayer_device_change_post_process(gpointer user)
+{
+       mm_player_t* player = (mm_player_t*)user;
+       unsigned long position = 0;
+       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       MMPlayerStateType pending_state = MM_PLAYER_STATE_NONE;
 
-               if ( pad )
-               {
-                       caps_a = gst_pad_get_negotiated_caps( pad );
+       MMPLAYER_FENTER();
 
-                       if ( caps_a )
-                       {
-                               p = gst_caps_get_structure (caps_a, 0);
+       if (! player ||
+               ! player->pipeline ||
+               ! player->pipeline->mainbin ||
+               ! player->pipeline->mainbin[MMPLAYER_M_PIPE].gst )
+       {
+               goto EXIT;
+       }
 
-                               gst_structure_get_int (p, "rate", &samplerate);
-                               mm_attrs_set_int_by_name(attrs, "content_audio_samplerate", samplerate);
+       current_state = MMPLAYER_CURRENT_STATE(player);
+       pending_state = MMPLAYER_PENDING_STATE(player);
 
-                               gst_structure_get_int (p, "channels", &channels);
-                               mm_attrs_set_int_by_name(attrs, "content_audio_channels", channels);
-                               gst_caps_unref( caps_a );
-                                       caps_a = NULL;
+       if (player->post_proc.need_pause_and_resume)
+       {
+               debug_log("pausing");
+               if ((pending_state == MM_PLAYER_STATE_PLAYING) ||
+                       ((pending_state == MM_PLAYER_STATE_NONE) && (current_state != MM_PLAYER_STATE_PAUSED)))
+                       gst_element_set_state(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED);
+       }
 
-                               debug_log("samplerate : %d      channels : %d", samplerate, channels);
-                       }
-                       else
-                       {
-                               debug_warning("not ready to get audio caps");
-                       }
+       /* seek should be done within pause and resume */
+       if (player->post_proc.need_seek)
+       {
+               debug_log("seeking");
+               __gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &position);
+               debug_log(">> seek to current position = %ld ms", position);
+               __gst_set_position(player, MM_PLAYER_POS_FORMAT_TIME, position, TRUE);
+       }
 
-                       gst_object_unref( pad );
-               }
-               else
-               {
-                       debug_warning("failed to get pad from audiosink");
-               }
+       if (player->post_proc.need_pause_and_resume)
+       {
+               debug_log("resuming");
+               if ((pending_state == MM_PLAYER_STATE_PLAYING) ||
+                       ((pending_state == MM_PLAYER_STATE_NONE) && (current_state != MM_PLAYER_STATE_PAUSED)))
+                       gst_element_set_state(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING);
        }
 
-       /* update width, height, framerate */
-       if ( player->pipeline->videobin &&
-                player->pipeline->videobin[MMPLAYER_V_SINK].gst )
+       /* async */
+       if (player->post_proc.need_async)
        {
-               GstCaps *caps_v = NULL;
-               GstPad* pad = NULL;
-               gint tmpNu, tmpDe;
-               gint width, height;
+               debug_log("setting async");
+               debug_log(">> player->display_stat = %d", player->display_stat);
 
-               if (player->use_multi_surface)
+               if ((player->display_stat == MMPLAYER_DISPLAY_STATUS_HDMI_ACTIVE) ||
+                       (player->display_stat == MMPLAYER_DISPLAY_STATUS_UNKNOWN_ACTIVE))
                {
-                       /* NOTE : if v_stream_caps were deprecated, it might be implemented by using "pad-added" signal callback */
-                       if (player->v_stream_caps)
-                       {
-                               caps_v = player->v_stream_caps;
-                               p = gst_caps_get_structure (caps_v, 0);
-                               gst_structure_get_int (p, "width", &width);
-                               mm_attrs_set_int_by_name(attrs, "content_video_width", width);
+                       g_object_set(G_OBJECT(player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "async", TRUE, NULL);
+               }
+               /* TODO : need some comment here */
+               else if (player->display_stat == MMPLAYER_DISPLAY_STATUS_NULL)
+               {
+                       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst), "async", TRUE, NULL);
+               }
+       }
 
-                               gst_structure_get_int (p, "height", &height);
-                               mm_attrs_set_int_by_name(attrs, "content_video_height", height);
+EXIT:
+       /* reset all */
+       __mmplayer_post_proc_reset(player);
+       return;
+}
 
-                               gst_structure_get_fraction (p, "framerate", &tmpNu, &tmpDe);
+void __mmplayer_set_required_cb_score(mm_player_t* player, guint score)
+{
+       return_if_fail(player);
+       player->post_proc.required_cb_score = score;
+       debug_log("set required score to : %d", score);
+}
 
-                               debug_log("width : %d     height : %d", width, height );
+void __mmplayer_inc_cb_score(mm_player_t* player)
+{
+       return_if_fail(player);
+       player->post_proc.cb_score++;
+       debug_log("post proc cb score increased to %d", player->post_proc.cb_score);
+}
 
-                               if (tmpDe > 0)
-                               {
-                                       mm_attrs_set_int_by_name(attrs, "content_video_fps", tmpNu / tmpDe);
-                                       debug_log("fps : %d", tmpNu / tmpDe);
-                               }
-                       }
-                       else
-                       {
-                               debug_warning("failed to get caps from v_stream_caps when using multi-surface");
-                       }
-               }
-               else
+void __mmplayer_post_proc_reset(mm_player_t* player)
+{
+       return_if_fail(player);
+
+       /* check if already triggered */
+       if (player->post_proc.id)
+       {
+               /* TODO : need to consider multiple main context. !!!! */
+               if (FALSE == g_source_remove(player->post_proc.id) )
                {
-                       pad = gst_element_get_static_pad( player->pipeline->videobin[MMPLAYER_V_SINK].gst, "sink" );
-                       if ( pad )
-                       {
-                               caps_v = gst_pad_get_negotiated_caps( pad );
-                               if (caps_v)
-                               {
-                                       p = gst_caps_get_structure (caps_v, 0);
-                                       gst_structure_get_int (p, "width", &width);
-                                       mm_attrs_set_int_by_name(attrs, "content_video_width", width);
+                       debug_error("failed to remove exist post_proc item");
+               }
+               player->post_proc.id = 0;
+       }
 
-                                       gst_structure_get_int (p, "height", &height);
-                                       mm_attrs_set_int_by_name(attrs, "content_video_height", height);
+       memset(&player->post_proc, 0, sizeof(mm_player_post_proc_t));
 
-                                       gst_structure_get_fraction (p, "framerate", &tmpNu, &tmpDe);
+       /* set default required cb score 1 as only audio device has changed in this case.
+          if display status is changed with audio device, required cb score is set 2 in display status callback.
+          this logic bases on the assumption which audio device callback is called after calling display status callback. */
+       player->post_proc.required_cb_score = 1;
+}
 
-                                       debug_log("width : %d     height : %d", width, height );
+void
+__mmplayer_device_change_trigger_post_process(mm_player_t* player)
+{
+       return_if_fail(player);
 
-                                       gst_caps_unref( caps_v );
-                                       caps_v = NULL;
+       /* check score */
+       if ( player->post_proc.cb_score < player->post_proc.required_cb_score )
+       {
+               /* wait for next turn */
+               debug_log("wait for next turn. required cb score : %d   current score : %d\n",
+                       player->post_proc.required_cb_score, player->post_proc.cb_score);
+               return;
+       }
 
-                                       if (tmpDe > 0)
-                                       {
-                                               mm_attrs_set_int_by_name(attrs, "content_video_fps", tmpNu / tmpDe);
-                                               debug_log("fps : %d", tmpNu / tmpDe);
-                                       }
-                               }
-                               else
-                               {
-                                       debug_warning("failed to get negitiated caps from videosink");
-                               }
-                               if (!player->use_multi_surface)
-                               {
-                                       gst_object_unref( pad );
-                                       pad = NULL;
-                               }
-                       }
-                       else
-                       {
-                               debug_warning("failed to get pad from videosink");
-                       }
+       /* check if already triggered */
+       if (player->post_proc.id)
+       {
+               /* TODO : need to consider multiple main context. !!!! */
+               if (FALSE == g_source_remove(player->post_proc.id) )
+               {
+                       debug_error("failed to remove exist post_proc item");
                }
+               player->post_proc.id = 0;
        }
 
-       if (player->duration)
-       {
-               guint64 data_size = 0;
+       player->post_proc.id = g_idle_add((GSourceFunc)__mmplayer_device_change_post_process, (gpointer)player);
+}
 
-               if (!MMPLAYER_IS_STREAMING(player) && (player->can_support_codec & FOUND_PLUGIN_VIDEO))
-               {
-                       mm_attrs_get_string_by_name(attrs, "profile_uri", &path);
+/* NOTE : Sound module has different latency according to output device So,
+ * synchronization problem can be happened whenever device is changed.
+ * To avoid this issue, we do reset avsystem or seek as workaroud.
+ */
+static void
+__mmplayer_sound_device_info_changed_cb_func (MMSoundDevice_t device_h, int changed_info_type, void *user_data)
+{
+    int ret;
+    mm_sound_device_type_e device_type;
+       mm_player_t* player = (mm_player_t*) user_data;
 
-                       if (stat(path, &sb) == 0)
-                       {
-                               data_size = (guint64)sb.st_size;
-                       }
-               }
-               else if (MMPLAYER_IS_HTTP_STREAMING(player))
-               {
-                       data_size = player->http_content_size;
-               }
+       return_if_fail( player );
 
-               if (data_size)
-               {
-                       guint64 bitrate = 0;
-                       guint64 msec_dur = 0;
+       debug_warning("device_info_changed_cb is called, device_h[0x%x], changed_info_type[%d]\n", device_h, changed_info_type);
 
-                       msec_dur = GST_TIME_AS_MSECONDS(player->duration);
-                       bitrate = data_size * 8 * 1000 / msec_dur;
-                       debug_log("file size : %u, video bitrate = %llu", data_size, bitrate);
-                       mm_attrs_set_int_by_name(attrs, "content_video_bitrate", bitrate);
-               }
-       }
+       __mmplayer_inc_cb_score(player);
 
+       /* get device type with device_h*/
+       ret = mm_sound_get_device_type(device_h, &device_type);
+       if (ret) {
+               debug_error("failed to mm_sound_get_device_type()\n");
+       }
 
-       /* validate all */
-       if (  mmf_attrs_commit ( attrs ) )
+       /* do pause and resume only if video is playing  */
+       if ( player->videodec_linked && MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PLAYING )
        {
-               debug_error("failed to update attributes\n");
-               return FALSE;
-       }
+               switch (device_type)
+               {
+                       case MM_SOUND_DEVICE_TYPE_BLUETOOTH:
+                       case MM_SOUND_DEVICE_TYPE_AUDIOJACK:
+                       case MM_SOUND_DEVICE_TYPE_BUILTIN_SPEAKER:
+                       case MM_SOUND_DEVICE_TYPE_HDMI:
+                       case MM_SOUND_DEVICE_TYPE_MIRRORING:
+                       {
+                               player->post_proc.need_pause_and_resume = TRUE;
+                       }
+                       break;
 
-       player->need_update_content_attrs = FALSE;
+                       default:
+                               debug_log("do nothing");
+               }
+       }
+       debug_warning("dispatched");
 
-       return TRUE;
+       __mmplayer_device_change_trigger_post_process(player);
 }
 
-gboolean __mmplayer_update_stream_service_type( mm_player_t* player )
+static void
+__mmplayer_display_status_cb(GstElement *element, MMPlayerDisplayStatus stat, gpointer data)
 {
-       MMHandleType attrs = 0;
-       gint streaming_type = STREAMING_SERVICE_NONE;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*)data;
+       return_if_fail ( player );
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player &&
-                                       player->pipeline &&
-                                       player->pipeline->mainbin &&
-                                       player->pipeline->mainbin[MMPLAYER_M_SRC].gst,
-                                       FALSE );
+       guint required_cb_score = 2;
 
-       /* streaming service type if streaming */
-       if ( ! MMPLAYER_IS_STREAMING(player) );
-               return FALSE;
+       __mmplayer_inc_cb_score(player);
+       __mmplayer_set_required_cb_score(player, required_cb_score);
 
-       if (MMPLAYER_IS_RTSP_STREAMING(player))
+       if ((player->pipeline->textbin == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_TEXT_IDENTITY].gst == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst == NULL))
        {
-               /* get property from rtspsrc element */
-               g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "service_type", &streaming_type, NULL);
+               debug_warning("text bin is not ready yet");
+               goto EXIT;
        }
-       else if (MMPLAYER_IS_HTTP_STREAMING(player))
+
+       if (player->is_subtitle_force_drop == TRUE)
        {
-               if ( player->duration <= 0)
-                       streaming_type = STREAMING_SERVICE_LIVE;
-               else
-                       streaming_type = STREAMING_SERVICE_VOD;                 
+               debug_warning("subtitle is dropping");
+               player->display_stat = stat;
+               goto EXIT;
        }
-               
-       player->streaming_type = streaming_type;
 
-       if ( player->streaming_type == STREAMING_SERVICE_LIVE)
+       if (stat != util_get_is_connected_external_display())
        {
-               debug_log("It's live streaming. pause/resume/seek are not working.\n");
+               debug_warning("stat is wrong!! (%d from xvimagesink)", stat);
+               goto EXIT;
        }
-       else if (player->streaming_type == STREAMING_SERVICE_LIVE)
+
+       if ((stat == MMPLAYER_DISPLAY_STATUS_HDMI_ACTIVE) || (stat == MMPLAYER_DISPLAY_STATUS_UNKNOWN_ACTIVE))
        {
-               debug_log("It's vod streaming. pause/resume/seek are working.\n");
+               MMMessageParamType msg = {0, };
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst), "drop-probability", (gfloat)1.0, NULL);
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_TEXT_IDENTITY].gst), "drop-probability", (gfloat)0.0, NULL);
+               debug_log("external display is ACTIVE");
+
+               msg.data = NULL;
+               msg.subtitle.duration = 0;
+
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_UPDATE_SUBTITLE, &msg );
        }
-       else
+       else if (stat == MMPLAYER_DISPLAY_STATUS_NULL)
        {
-               debug_warning("fail to determine streaming type. pause/resume/seek may not working properly if stream is live stream\n");
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst), "drop-probability", (gfloat)0.0, NULL);
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_TEXT_IDENTITY].gst), "drop-probability", (gfloat)1.0, NULL); //If it is not ACTIVE...
+               debug_log("external display is NULL");
        }
 
-       /* get profile attribute */
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
+       if (player->display_stat != stat)
        {
-               debug_error("cannot get content attribute\n");
-               return FALSE;
-       }
+               player->display_stat = stat;
 
-       mm_attrs_set_int_by_name ( attrs, "streaming_type", streaming_type );
-       /* validate all */
-       if (  mmf_attrs_commit ( attrs ) )
-       {
-               debug_warning("updating streaming service type failed. pause/resume/seek may not working properly if stream is live stream\n");
-               return FALSE;
+               g_object_set(G_OBJECT(player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "async", FALSE, NULL);
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst), "async", FALSE, NULL);
+
+               /* setup post processing */
+               player->post_proc.need_async = TRUE;
+               player->post_proc.need_seek = TRUE;
+               player->post_proc.need_pause_and_resume = TRUE;
        }
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return TRUE;
+EXIT:
+       __mmplayer_device_change_trigger_post_process(player);
+       return;
 }
 
-
-/* this function sets the player state and also report
- * it to applicaton by calling callback function
- */
-static gboolean
-__mmplayer_set_state(mm_player_t* player, int state) // @
+static void
+__mmplayer_external_resolution_cb(GstElement *element, int width, int height, gpointer data)
 {
-       MMMessageParamType msg = {0, };
-       int asm_result = MM_ERROR_NONE;
-       int new_state = state;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*)data;
+       return_if_fail ( player );
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, FALSE );
+       if ((player->pipeline->textbin == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_RENDER].gst == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst == NULL))
+       {
+               debug_warning("text bin is not ready yet");
+               return;
+       }
 
-       if ( MMPLAYER_CURRENT_STATE(player) == new_state )
+       if((width==0 || height==0) && util_get_is_connected_external_display()!=MMPLAYER_DISPLAY_STATUS_NULL)
        {
-               debug_warning("already same state(%s)\n", MMPLAYER_STATE_GET_NAME(state));
-               return TRUE;
+               debug_warning("stat is wrong!! skip setting external resolution to 0");
+               return;
        }
+       debug_log("set external width and height : %d * %d", width, height);
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_RENDER].gst), "external-width", width, NULL);
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_RENDER].gst), "external-height", height, NULL);
 
-       /* update player states */
-       MMPLAYER_PREV_STATE(player) = MMPLAYER_CURRENT_STATE(player);
-       MMPLAYER_CURRENT_STATE(player) = new_state;
-       if ( MMPLAYER_CURRENT_STATE(player) == MMPLAYER_PENDING_STATE(player) )
-               MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
-
-       /* print state */
-       MMPLAYER_PRINT_STATE(player);
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "external-width", width, NULL);
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "external-height", height, NULL);
 
-       /* post message to application */
-       if (MMPLAYER_TARGET_STATE(player) == new_state)
-       {
-               /* fill the message with state of player */
-               msg.state.previous = MMPLAYER_PREV_STATE(player);
-               msg.state.current = MMPLAYER_CURRENT_STATE(player);
+       MMPLAYER_FLEAVE();
+}
 
-               /* state changed by asm callback */
-               if ( player->sm.by_asm_cb )
-               {
-                       msg.union_type = MM_MSG_UNION_CODE;
-                       msg.code = player->sm.event_src;
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_INTERRUPTED, &msg );
-               }
-               /* state changed by usecase */
-               else
-               {
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_CHANGED, &msg );
-               }
+static void
+__mmplayer_hided_window_cb(GstElement *element, gboolean is_hided , gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       return_if_fail ( player );
+       MMPLAYER_FENTER();
 
-               debug_log ("player reach the target state, then do something in each state(%s).\n", 
-                       MMPLAYER_STATE_GET_NAME(MMPLAYER_TARGET_STATE(player)));
-       }
-       else
+       if ((player->pipeline->textbin == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst == NULL))
        {
-               debug_log ("intermediate state, do nothing.\n");
-               return TRUE;
+               debug_warning("text_xvimagesink is not ready yet");
+               return;
        }
-       
-       switch ( MMPLAYER_TARGET_STATE(player) )
-       {
-               case MM_PLAYER_STATE_NULL:      
-               case MM_PLAYER_STATE_READY:
-               {
-                       if (player->cmd == MMPLAYER_COMMAND_STOP)
-                       {
-                               asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_STOP);
-                               if ( asm_result != MM_ERROR_NONE )
-                               {
-                                       debug_error("failed to set asm state to stop\n");
-                                       return FALSE;
-                               }
-                       }
-               }
-               break;
-                       
-               case MM_PLAYER_STATE_PAUSED:
-               {
-                       /* special care for local playback. normaly we can get some content attribute
-                        * when the demuxer is changed to PAUSED. so we are trying it. it will be tried again
-                        * when PLAYING state has signalled if failed.
-                        * note that this is only happening pause command has come before the state of pipeline
-                        * reach to the PLAYING.
-                        */
-                       _mmplayer_update_content_attrs( player );
-
-                       /* add audio callback probe if condition is satisfied */
-                       if ( ! player->audio_cb_probe_id && player->is_sound_extraction )
-                               __mmplayer_configure_audio_callback(player);
-
-                       asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_PAUSE);
-                       if ( asm_result )
-                       {
-                               debug_error("failed to set asm state to PAUSE\n");
-                               return FALSE;
-                       }
-               }
-               break;
-
-               case MM_PLAYER_STATE_PLAYING:
-               {
-                       /* update attributes which are only available on playing status */
-                       player->need_update_content_attrs = TRUE;
-                       _mmplayer_update_content_attrs ( player );
-
-                       if ( player->cmd == MMPLAYER_COMMAND_START  && !player->sent_bos )
-                       {
-                               __mmplayer_post_missed_plugin ( player );
-
-                               /* update video resource status */
-                               if ( ( player->can_support_codec & 0x02) == FOUND_PLUGIN_VIDEO )
-                               {
-                                       asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_PLAYING);
-                                       if ( asm_result )
-                                       {
-                                               MMMessageParamType msg = {0, };
-                                                               
-                                               debug_error("failed to go ahead because of video conflict\n");
-                                                                                                       
-                                               msg.union_type = MM_MSG_UNION_CODE;
-                                               msg.code = MM_ERROR_POLICY_INTERRUPTED;
-                                               MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_INTERRUPTED, &msg);
-
-                                               _mmplayer_unrealize((MMHandleType)player);
-                                                                                                               
-                                               return FALSE;                                                           
-                                       }
-                               }
-                       }
-
-                       if ( player->resumed_by_rewind && player->playback_rate < 0.0 )
-                       {
-                               /* initialize because auto resume is done well. */
-                               player->resumed_by_rewind = FALSE;
-                               player->playback_rate = 1.0;
-                       }
-
-                       if ( !player->sent_bos )
-                       {
-                               /* check audio codec field is set or not
-                                * we can get it from typefinder or codec's caps.
-                                */
-                               gchar *audio_codec = NULL;
-                               mm_attrs_get_string_by_name(player->attrs, "content_audio_codec", &audio_codec);
-
-                               /* The codec format can't be sent for audio only case like amr, mid etc.
-                                * Because, parser don't make related TAG.
-                                * So, if it's not set yet, fill it with found data.
-                                */
-                               if ( ! audio_codec )
-                               {
-                                       if ( g_strrstr(player->type, "audio/midi"))
-                                       {
-                                               audio_codec = g_strdup("MIDI");
-
-                                       }
-                                       else if ( g_strrstr(player->type, "audio/x-amr"))
-                                       {
-                                               audio_codec = g_strdup("AMR");
-                                       }
-                                       else if ( g_strrstr(player->type, "audio/mpeg") && !g_strrstr(player->type, "mpegversion=(int)1"))
-                                       {
-                                               audio_codec = g_strdup("AAC");
-                                       }
-                                       else
-                                       {
-                                               audio_codec = g_strdup("unknown");
-                                       }
-                                       mm_attrs_set_string_by_name(player->attrs, "content_audio_codec", audio_codec);
-
-                                       MMPLAYER_FREEIF(audio_codec);
-                                       mmf_attrs_commit(player->attrs);
-                                       debug_log("set audio codec type with caps\n");
-                               }
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "hided-window", is_hided, NULL);
+       debug_log("update window-hide status : %d", is_hided);
 
-                               MMTA_ACUM_ITEM_END("[KPI] start media player service", FALSE);
-                               MMTA_ACUM_ITEM_END("[KPI] media player service create->playing", FALSE);
+       MMPLAYER_FLEAVE();
+}
 
-                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_BEGIN_OF_STREAM, NULL );
-                               player->sent_bos = TRUE;
-                       }
-               }
-               break;
+static void
+__mmplayer_quick_panel_on_cb(GstElement *element, gboolean quick_panel_on , gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       return_if_fail ( player );
+       MMPLAYER_FENTER();
 
-               case MM_PLAYER_STATE_NONE:
-               default:
-                       debug_warning("invalid target state, there is nothing to do.\n");
-                       break;
+       if ((player->pipeline->textbin == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst == NULL))
+       {
+               debug_warning("text_xvimagesink is not ready yet");
+               return;
        }
+       g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "quick-panel-on", quick_panel_on, NULL);
+       debug_log("update quick panel status : %d", quick_panel_on);
 
-       debug_fleave();
-
-       return TRUE;
+       MMPLAYER_FLEAVE();
 }
 
-
-gboolean
-__mmplayer_post_message(mm_player_t* player, enum MMMessageType msgtype, MMMessageParamType* param) // @
+static void
+__mmplayer_multiwindow_active_cb(GstElement *element, gboolean multiwindow_active , gpointer data)
 {
-       return_val_if_fail( player, FALSE );
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*)data;
+       return_if_fail ( player );
 
-       if ( !player->msg_cb )
+       if ((player->pipeline->textbin == NULL) ||
+               (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst == NULL))
        {
-               debug_warning("no msg callback. can't post\n");
-               return FALSE;
+               return;
+       }
+       if (player->last_multiwin_status != multiwindow_active)
+       {
+               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst), "multiwindow-active", multiwindow_active, NULL);
+               player->last_multiwin_status = multiwindow_active;
+               debug_log("update multiwindow-active status : %d", multiwindow_active);
        }
-
-       //debug_log("Message (type : %d)  will be posted using msg-cb(%p). \n", msgtype, player->msg_cb);
-
-       player->msg_cb(msgtype, param, player->msg_cb_param);
-
-       debug_fleave();
-
-       return TRUE;
 }
 
 
-static int
-__mmplayer_get_state(mm_player_t* player) // @
+/* This function should be called after the pipeline goes PAUSED or higher
+state. */
+gboolean
+_mmplayer_update_content_attrs(mm_player_t* player, enum content_attr_flag flag) // @
 {
-       int state = MM_PLAYER_STATE_NONE;
-
-       debug_fenter();
-       
-       return_val_if_fail ( player, MM_PLAYER_STATE_NONE );
-
-       state = MMPLAYER_CURRENT_STATE(player);
-
-       debug_log("player state is %s.\n", MMPLAYER_STATE_GET_NAME(state));
+       static gboolean has_duration = FALSE;
+       static gboolean has_video_attrs = FALSE;
+       static gboolean has_audio_attrs = FALSE;
+       static gboolean has_bitrate = FALSE;
+       gboolean missing_only = FALSE;
+       gboolean all = FALSE;
 
-       debug_fleave();
-       
-       return state;
-}
+       GstFormat fmt  = GST_FORMAT_TIME;
+       gint64 dur_nsec = 0;
+       GstStructure* p = NULL;
+       MMHandleType attrs = 0;
+       gchar *path = NULL;
+       gint stream_service_type = STREAMING_SERVICE_NONE;
+       struct stat sb;
 
-static void
-__gst_set_async_state_change(mm_player_t* player, gboolean async)
-{
-       debug_fenter();
-       
-       return_if_fail( player && player->pipeline && player->pipeline->mainbin );
+       MMPLAYER_FENTER();
 
-       /* need only when we are using decodebin */
-       if ( ! PLAYER_INI()->use_decodebin )
-               return;
+       return_val_if_fail ( player, FALSE );
 
-       /* audio sink */
-       if ( player->pipeline->audiobin &&
-                player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
+       /* check player state here */
+       if ( MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED &&
+               MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING )
        {
-               debug_log("audiosink async : %d\n", async);
-               g_object_set (G_OBJECT (player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "async", async, NULL);
+               /* give warning now only */
+               debug_warning("be careful. content attributes may not available in this state ");
        }
 
-       /* video sink */
-       if ( player->pipeline->videobin &&
-                player->pipeline->videobin[MMPLAYER_V_SINK].gst )
+       /* get content attribute first */
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
        {
-               debug_log("videosink async : %d\n", async);
-               g_object_set (G_OBJECT (player->pipeline->videobin[MMPLAYER_V_SINK].gst), "async", async, NULL);
+               debug_error("cannot get content attribute");
+               return FALSE;
        }
 
-       /* decodebin if enabled */
-       if ( PLAYER_INI()->use_decodebin )
+       /* get update flag */
+
+       if ( flag & ATTR_MISSING_ONLY )
        {
-               debug_log("decodebin async : %d\n", async);
-               g_object_set (G_OBJECT (player->pipeline->mainbin[MMPLAYER_M_AUTOPLUG].gst), "async-handling", async, NULL);
+               missing_only = TRUE;
+               debug_log("updating missed attr only");
        }
 
-       debug_fleave();
-}
+       if ( flag & ATTR_ALL )
+       {
+               all = TRUE;
+               has_duration = FALSE;
+               has_video_attrs = FALSE;
+               has_audio_attrs = FALSE;
+               has_bitrate = FALSE;
 
-static gpointer __mmplayer_repeat_thread(gpointer data)
-{
-       mm_player_t* player = (mm_player_t*) data;
-       gboolean ret_value = FALSE;
-       MMHandleType attrs = 0;
-       gint count = 0;
+               debug_log("updating all attrs");
+       }
 
-       return_val_if_fail ( player, NULL );
+       if ( missing_only && all )
+       {
+               debug_warning("cannot use ATTR_MISSING_ONLY and ATTR_ALL. ignoring ATTR_MISSING_ONLY flag!");
+               missing_only = FALSE;
+       }
 
-       while ( ! player->repeat_thread_exit )
+       if (  (flag & ATTR_DURATION) || (!has_duration && missing_only) || all )
        {
-               debug_log("repeat thread started. waiting for signal.\n");
-               g_cond_wait( player->repeat_thread_cond, player->repeat_thread_mutex );
+               debug_log("try to update duration");
+               has_duration = FALSE;
 
-               if ( player->repeat_thread_exit )
+               if (gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &dur_nsec ))
                {
-                       debug_log("exiting repeat thread\n");
-                       break;
+                       player->duration = dur_nsec;
+                       debug_warning("duration : %lld msec", GST_TIME_AS_MSECONDS(dur_nsec));
                }
 
-               /* lock */
-               MMPLAYER_CMD_LOCK( player );
-
-               return_val_if_fail(     player, NULL );
-
-               attrs = MMPLAYER_GET_ATTRS(player);
+               /* try to get streaming service type */
+               stream_service_type = __mmplayer_get_stream_service_type( player );
+               mm_attrs_set_int_by_name ( attrs, "streaming_type", stream_service_type );
 
-               if (mm_attrs_get_int_by_name(attrs, "profile_play_count", &count) != MM_ERROR_NONE)
+               /* check duration is OK */
+               if ( dur_nsec == 0 && !MMPLAYER_IS_LIVE_STREAMING( player ) )
                {
-                       debug_error("can not get play count\n");
-                               break;
+                       /* FIXIT : find another way to get duration here. */
+                       debug_error("finally it's failed to get duration from pipeline. progressbar will not work correctely!");
                }
-
-               if ( player->section_repeat )
+               else
                {
-                       ret_value = _mmplayer_activate_section_repeat((MMHandleType)player, player->section_repeat_start, player->section_repeat_end);
+                       /*update duration */
+                       mm_attrs_set_int_by_name(attrs, "content_duration", GST_TIME_AS_MSECONDS(dur_nsec));
+                       has_duration = TRUE;
                }
-               else
+       }
+
+       if (  (flag & ATTR_AUDIO) || (!has_audio_attrs && missing_only) || all )
+       {
+               /* update audio params
+               NOTE : We need original audio params and it can be only obtained from src pad of audio
+               decoder. Below code only valid when we are not using 'resampler' just before
+               'audioconverter'. */
+
+               debug_log("try to update audio attrs");
+               has_audio_attrs = FALSE;
+
+               if ( player->pipeline->audiobin &&
+                        player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
                {
-                       if ( player->playback_rate < 0.0 )
+                       GstCaps *caps_a = NULL;
+                       GstPad* pad = NULL;
+                       gint samplerate = 0, channels = 0;
+
+                       pad = gst_element_get_static_pad(
+                                       player->pipeline->audiobin[MMPLAYER_A_CONV].gst, "sink" );
+
+                       if ( pad )
                        {
-                               player->resumed_by_rewind = TRUE;
-                               _mmplayer_set_mute((MMHandleType)player, 0);
-                               MMPLAYER_POST_MSG( player, MM_MESSAGE_RESUMED_BY_REW, NULL );
-                       }
+                               caps_a = gst_pad_get_negotiated_caps( pad );
 
-                       ret_value = __gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
-                               GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET,
-                               0, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
+                               if ( caps_a )
+                               {
+                                       p = gst_caps_get_structure (caps_a, 0);
 
-                       /* initialize */
-                       player->sent_bos = FALSE;
-               }
+                                       mm_attrs_get_int_by_name(attrs, "content_audio_samplerate", &samplerate);
 
-               if ( ! ret_value )
-               {
-                       debug_error("failed to set position to zero for rewind\n");
-                               continue;
-               }
+                                       gst_structure_get_int (p, "rate", &samplerate);
+                                       mm_attrs_set_int_by_name(attrs, "content_audio_samplerate", samplerate);
 
-               /* decrease play count */
-               if ( count > 1 )
-               {
-                       /* we successeded to rewind. update play count and then wait for next EOS */
-                       count--;
+                                       gst_structure_get_int (p, "channels", &channels);
+                                       mm_attrs_set_int_by_name(attrs, "content_audio_channels", channels);
 
-                       mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
+                                       secure_debug_log("samplerate : %d       channels : %d", samplerate, channels);
 
-                       /* commit attribute */
-                       if ( mmf_attrs_commit ( attrs ) )
+                                       gst_caps_unref( caps_a );
+                                       caps_a = NULL;
+
+                                       has_audio_attrs = TRUE;
+                               }
+                               else
+                               {
+                                       debug_warning("not ready to get audio caps");
+                               }
+
+                               gst_object_unref( pad );
+                       }
+                       else
                        {
-                               debug_error("failed to commit attribute\n");
+                               debug_warning("failed to get pad from audiosink");
                        }
                }
+       }
 
-               /* unlock */
-               MMPLAYER_CMD_UNLOCK( player );
-       }
-
-       return NULL;
-}
-
-static void
-__mmplayer_handle_buffering_message ( mm_player_t* player )
-{
-       MMPlayerStateType prev_state = MM_PLAYER_STATE_NONE;
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       MMPlayerStateType target_state = MM_PLAYER_STATE_NONE;
-       MMPlayerStateType pending_state = MM_PLAYER_STATE_NONE;
-
-       return_if_fail ( player );
-
-       prev_state = MMPLAYER_PREV_STATE(player),
-       current_state = MMPLAYER_CURRENT_STATE(player);
-       target_state = MMPLAYER_TARGET_STATE(player);
-       pending_state = MMPLAYER_PENDING_STATE(player);
-
-       if ( !player->streamer->is_buffering )
+       if ( (flag & ATTR_VIDEO) || (!has_video_attrs && missing_only) || all )
        {
-               debug_log( "player state : prev %s, current %s, pending %s, target %s \n",
-                       MMPLAYER_STATE_GET_NAME(prev_state),
-                       MMPLAYER_STATE_GET_NAME(current_state),
-                       MMPLAYER_STATE_GET_NAME(pending_state),
-                       MMPLAYER_STATE_GET_NAME(target_state));
+               debug_log("try to update video attrs");
+               has_video_attrs = FALSE;
 
-               /* NOTE : if buffering has done, player has to go to target state. */
-               switch ( target_state )
+               if ( player->pipeline->videobin &&
+                        player->pipeline->videobin[MMPLAYER_V_SINK].gst )
                {
-                       case MM_PLAYER_STATE_PAUSED :
-                       {
-                               if ( MMPLAYER_IS_RTSP_STREAMING(player) )
-                                       return;
-
-                               switch ( pending_state )
-                               {
-                                       case MM_PLAYER_STATE_PLAYING:
-                                       {
-                                               __gst_pause ( player, TRUE );
-                                       }
-                                       break;
-
-                                       case MM_PLAYER_STATE_PAUSED:
-                                       {
-                                                debug_log("player is already going to paused state, there is nothing to do.\n");
-                                       }
-                                       break;
-
-                                       case MM_PLAYER_STATE_NONE:
-                                       case MM_PLAYER_STATE_NULL:
-                                       case MM_PLAYER_STATE_READY:
-                                       default :
-                                       {
-                                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
-                                       }
-                                               break;
-                               }
-                       }
-                       break;
+                       GstCaps *caps_v = NULL;
+                       GstPad* pad = NULL;
+                       gint tmpNu, tmpDe;
+                       gint width, height;
 
-                       case MM_PLAYER_STATE_PLAYING :
+                       pad = gst_element_get_static_pad( player->pipeline->videobin[MMPLAYER_V_SINK].gst, "sink" );
+                       if ( pad )
                        {
-                               if ( MMPLAYER_IS_RTSP_STREAMING(player) )
+                               caps_v = gst_pad_get_negotiated_caps( pad );
+                               if (caps_v)
                                {
-                                       __gst_resume ( player, TRUE );
+                                       p = gst_caps_get_structure (caps_v, 0);
+                                       gst_structure_get_int (p, "width", &width);
+                                       mm_attrs_set_int_by_name(attrs, "content_video_width", width);
 
-                                       /* now we can overcome 'state-lost' situation */
-                                       player->state_lost = FALSE;
+                                       gst_structure_get_int (p, "height", &height);
+                                       mm_attrs_set_int_by_name(attrs, "content_video_height", height);
 
-                                       return;
-                               }
+                                       gst_structure_get_fraction (p, "framerate", &tmpNu, &tmpDe);
 
-                               switch ( pending_state )
-                               {
-                                       case MM_PLAYER_STATE_NONE:
-                                       {
-                                               if (current_state != MM_PLAYER_STATE_PLAYING)
-                                                       __gst_resume ( player, TRUE );
-                                       }
-                                       break;
+                                       secure_debug_log("width : %d     height : %d", width, height );
 
-                                       case MM_PLAYER_STATE_PAUSED:
-                                       {
-                                               __gst_resume ( player, TRUE );
-                                       }
-                                       break;
+                                       gst_caps_unref( caps_v );
+                                       caps_v = NULL;
 
-                                       case MM_PLAYER_STATE_PLAYING:
+                                       if (tmpDe > 0)
                                        {
-                                                debug_log("player is already going to playing state, there is nothing to do.\n");
+                                               mm_attrs_set_int_by_name(attrs, "content_video_fps", tmpNu / tmpDe);
+                                               secure_debug_log("fps : %d", tmpNu / tmpDe);
                                        }
-                                       break;
 
-                                       case MM_PLAYER_STATE_NULL:
-                                       case MM_PLAYER_STATE_READY:
-                                       default :
-                                       {
-                                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
-                                       }
-                                               break;
+                                       has_video_attrs = TRUE;
+                               }
+                               else
+                               {
+                                       debug_log("no negitiated caps from videosink");
                                }
+                               gst_object_unref( pad );
+                               pad = NULL;
                        }
-                       break;
-
-                       case MM_PLAYER_STATE_NULL :
-                       case MM_PLAYER_STATE_READY :
-                       case MM_PLAYER_STATE_NONE :
-                       default:
+                       else
                        {
-                               debug_warning("invalid target state [%s].\n", MMPLAYER_STATE_GET_NAME(target_state) );
+                               debug_log("no videosink sink pad");
                        }
-                               break;
                }
        }
-       else
+
+
+       if ( (flag & ATTR_BITRATE) || (!has_bitrate && missing_only) || all )
        {
-               /* NOTE : in case of rtsp streaming, the src plugin provide the pipeline clock.
-                *      the src plugin is buffering, the pipeline clock stop automatically.
-                *      so don't need to pause the player.
-                */
-               if ( MMPLAYER_IS_RTSP_STREAMING(player) )
-               {
-                       player->state_lost = TRUE;
-                       return;
-               }
+               has_bitrate = FALSE;
 
-               /* NOTE : during the buffering, pause the player for stopping pipeline clock.
-                *      it's for stopping the pipeline clock to prevent dropping the data in sink element.
-                */
-               switch ( pending_state )
+               /* FIXIT : please make it clear the dependancy with duration/codec/uritype */
+               if (player->duration)
                {
-                       case MM_PLAYER_STATE_NONE:
+                       guint64 data_size = 0;
+
+                       if (!MMPLAYER_IS_STREAMING(player) && (player->can_support_codec & FOUND_PLUGIN_VIDEO))
                        {
-                               if (current_state != MM_PLAYER_STATE_PAUSED)
-                                       __gst_pause ( player, TRUE );
-                       }
-                       break;
+                               mm_attrs_get_string_by_name(attrs, "profile_uri", &path);
 
-                       case MM_PLAYER_STATE_PLAYING:
+                               if (stat(path, &sb) == 0)
+                               {
+                                       data_size = (guint64)sb.st_size;
+                               }
+                       }
+                       else if (MMPLAYER_IS_HTTP_STREAMING(player))
                        {
-                               __gst_pause ( player, TRUE );
+                               data_size = player->http_content_size;
                        }
-                       break;
+                       debug_log("try to update bitrate : data_size = %lld", data_size);
 
-                       case MM_PLAYER_STATE_PAUSED:
+                       if (data_size)
                        {
-                                debug_log("player is already going to paused state, there is nothing to do.\n");
+                               guint64 bitrate = 0;
+                               guint64 msec_dur = 0;
+
+                               msec_dur = GST_TIME_AS_MSECONDS(player->duration);
+                               bitrate = data_size * 8 * 1000 / msec_dur;
+                               secure_debug_log("file size : %u, video bitrate = %llu", data_size, bitrate);
+                               mm_attrs_set_int_by_name(attrs, "content_video_bitrate", bitrate);
+
+                               has_bitrate = TRUE;
                        }
-                       break;
 
-                       case MM_PLAYER_STATE_NULL:
-                       case MM_PLAYER_STATE_READY:
-                       default :
+                       if (MMPLAYER_IS_RTSP_STREAMING(player))
                        {
-                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
+                               if(player->total_bitrate)
+                               {
+                                       mm_attrs_set_int_by_name(attrs, "content_video_bitrate", player->total_bitrate);
+                                       has_bitrate = TRUE;
+                               }
                        }
-                               break;
                }
        }
+
+       /* validate all */
+       if (  mmf_attrs_commit ( attrs ) )
+       {
+               debug_error("failed to update attributes\n");
+               return FALSE;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
 }
 
-static gboolean
-__mmplayer_gst_callback(GstBus *bus, GstMessage *msg, gpointer data) // @
+gint __mmplayer_get_stream_service_type( mm_player_t* player )
 {
-       mm_player_t* player = (mm_player_t*) data;
-       gboolean ret = TRUE;
-       static gboolean async_done = FALSE;
+       gint streaming_type = STREAMING_SERVICE_NONE;
 
-       return_val_if_fail ( player, FALSE );
-       return_val_if_fail ( msg && GST_IS_MESSAGE(msg), FALSE );
+       MMPLAYER_FENTER();
 
-       switch ( GST_MESSAGE_TYPE( msg ) )
+       return_val_if_fail ( player &&
+                       player->pipeline &&
+                       player->pipeline->mainbin &&
+                       player->pipeline->mainbin[MMPLAYER_M_SRC].gst,
+                       FALSE );
+
+       /* streaming service type if streaming */
+       if ( ! MMPLAYER_IS_STREAMING(player) )
+               return STREAMING_SERVICE_NONE;
+
+       if (MMPLAYER_IS_RTSP_STREAMING(player))
        {
-               case GST_MESSAGE_UNKNOWN:
-                       debug_warning("unknown message received\n");
+               /* get property from rtspsrc element */
+               g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_SRC].gst),
+                       "service_type", &streaming_type, NULL);
+       }
+       else if (MMPLAYER_IS_HTTP_STREAMING(player))
+       {
+               streaming_type = (player->duration == 0) ?
+                       STREAMING_SERVICE_LIVE : STREAMING_SERVICE_VOD;
+       }
+
+       switch ( streaming_type )
+       {
+               case STREAMING_SERVICE_LIVE:
+                       debug_log("it's live streaming");
+               break;
+               case STREAMING_SERVICE_VOD:
+                       debug_log("it's vod streaming");
                break;
+               case STREAMING_SERVICE_NONE:
+                       debug_error("should not get here");
+               break;
+               default:
+                       debug_error("should not get here");
+       }
 
-               case GST_MESSAGE_EOS:
-               {
-                       MMHandleType attrs = 0;
-                       gint count = 0;
+       player->streaming_type = streaming_type;
+       MMPLAYER_FLEAVE();
 
-                       debug_log("GST_MESSAGE_EOS received\n");
+       return streaming_type;
+}
 
-                       /* NOTE : EOS event is comming multiple time. watch out it */
-                       /* check state. we only process EOS when pipeline state goes to PLAYING */
-                       if ( ! (player->cmd == MMPLAYER_COMMAND_START || player->cmd == MMPLAYER_COMMAND_RESUME) )
-                       {
-                               debug_warning("EOS received on non-playing state. ignoring it\n");
-                               break;
-                       }
 
-                       if ( (player->audio_stream_cb) && (player->is_sound_extraction) )
-                       {
-                               GstPad *pad = NULL;
-       
-                               pad = gst_element_get_static_pad (player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "sink");
+/* this function sets the player state and also report
+ * it to applicaton by calling callback function
+ */
+static int
+__mmplayer_set_state(mm_player_t* player, int state) // @
+{
+       MMMessageParamType msg = {0, };
+       int asm_result = MM_ERROR_NONE;
+       gboolean post_bos = FALSE;
+       gboolean interrupted_by_asm = FALSE;
+       int ret = MM_ERROR_NONE;
 
-                               debug_error("release audio callback\n");
-                               
-                               /* release audio callback */
-                               gst_pad_remove_buffer_probe (pad, player->audio_cb_probe_id);
-                               player->audio_cb_probe_id = 0;
-                               /* audio callback should be free because it can be called even though probe remove.*/
-                               player->audio_stream_cb = NULL;
-                               player->audio_stream_cb_user_param = NULL;
+       return_val_if_fail ( player, FALSE );
 
-                       }
+       if ( MMPLAYER_CURRENT_STATE(player) == state )
+       {
+               debug_warning("already same state(%s)\n", MMPLAYER_STATE_GET_NAME(state));
+               MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
+               return ret;
+       }
 
-                       /* rewind if repeat count is greater then zero */
-                       /* get play count */
-                       attrs = MMPLAYER_GET_ATTRS(player);
+       /* update player states */
+       MMPLAYER_PREV_STATE(player) = MMPLAYER_CURRENT_STATE(player);
+       MMPLAYER_CURRENT_STATE(player) = state;
 
-                       if ( attrs )
-                       {
-                               gboolean smooth_repeat = FALSE;
+       /* FIXIT : it's better to do like below code
+       if ( MMPLAYER_CURRENT_STATE(player) == MMPLAYER_TARGET_STATE(player) )
+                       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
+       and add more code to handling PENDING_STATE.
+       */
+       if ( MMPLAYER_CURRENT_STATE(player) == MMPLAYER_PENDING_STATE(player) )
+               MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
 
-                               mm_attrs_get_int_by_name(attrs, "profile_play_count", &count);
-                               mm_attrs_get_int_by_name(attrs, "profile_smooth_repeat", &smooth_repeat);
+       /* print state */
+       MMPLAYER_PRINT_STATE(player);
 
-                               debug_log("remaining play count: %d, playback rate: %f\n", count, player->playback_rate);
+       /* do some FSM stuffs before posting new state to application  */
+       interrupted_by_asm = player->sm.by_asm_cb;
 
-                               if ( count > 1 || count == -1 || player->playback_rate < 0.0 ) /* default value is 1 */
+       switch ( MMPLAYER_CURRENT_STATE(player) )
+       {
+               case MM_PLAYER_STATE_NULL:
+               case MM_PLAYER_STATE_READY:
+               {
+                       if (player->cmd == MMPLAYER_COMMAND_STOP)
+                       {
+                               asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_STOP, FALSE);
+                               if ( asm_result != MM_ERROR_NONE )
                                {
-                                       if ( smooth_repeat )
+                                       debug_error("failed to set asm state to stop\n");
+                                       return MM_ERROR_POLICY_INTERNAL;
+                               }
+                       }
+               }
+               break;
+
+               case MM_PLAYER_STATE_PAUSED:
+               {
+                        if ( ! player->sent_bos )
+                        {
+                               int found = 0;
+                               #define MMPLAYER_MAX_SOUND_PRIORITY     3
+
+                               /* it's first time to update all content attrs. */
+                               _mmplayer_update_content_attrs( player, ATTR_ALL );
+                               /* set max sound priority to keep own sound and not to mute other's one */
+                               mm_attrs_get_int_by_name(player->attrs, "content_video_found", &found);
+                               if (found)
+                               {
+                                       mm_attrs_get_int_by_name(player->attrs, "content_audio_found", &found);
+                                       if (found)
                                        {
-                                               debug_log("smooth repeat enabled. seeking operation will be excuted in new thread\n");
+                                               debug_log("set max audio priority");
+                                               g_object_set(player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "priority", MMPLAYER_MAX_SOUND_PRIORITY, NULL);
+                                       }
+                               }
 
-                                               g_cond_signal( player->repeat_thread_cond );
+                        }
 
-                                               break;
-                                       }
-                                       else
-                                       {
-                                               gint ret_value = 0;
-
-                                               if ( player->section_repeat )
-                                               {
-                                                       ret_value = _mmplayer_activate_section_repeat((MMHandleType)player, player->section_repeat_start, player->section_repeat_end);
-                                               }
-                                               else
-                                               {
+                       /* add audio callback probe if condition is satisfied */
+                       if ( ! player->audio_cb_probe_id && player->set_mode.pcm_extraction )
+                       {
+                               __mmplayer_configure_audio_callback(player);
+                               /* FIXIT : handle return value */
+                       }
 
-                                                       if ( player->playback_rate < 0.0 )
-                                                       {
-                                                       player->resumed_by_rewind = TRUE;
-                                                               _mmplayer_set_mute((MMHandleType)player, 0);
-                                                               MMPLAYER_POST_MSG( player, MM_MESSAGE_RESUMED_BY_REW, NULL );
-                                                       }
+                       if (!MMPLAYER_IS_STREAMING(player) || (player->streamer && !player->streamer->is_buffering))
+                       {
+                               asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_PAUSE, FALSE);
+                               if ( asm_result )
+                               {
+                                       debug_error("failed to set asm state to PAUSE\n");
+                                       return MM_ERROR_POLICY_INTERNAL;
+                               }
+                       }
+               }
+               break;
 
-                                                       ret_value = __gst_set_position( player, MM_PLAYER_POS_FORMAT_TIME, 0 );
+               case MM_PLAYER_STATE_PLAYING:
+               {
+                       /* try to get content metadata */
+                       if ( ! player->sent_bos )
+                       {
+                               /* NOTE : giving ATTR_MISSING_ONLY may have dependency with
+                                * c-api since c-api doesn't use _start() anymore. It may not work propery with
+                                * legacy mmfw-player api */
+                               _mmplayer_update_content_attrs( player, ATTR_MISSING_ONLY);
+                       }
 
-                                                       /* initialize */
-                                                       player->sent_bos = FALSE;
-                                               }
+                       if ( (player->cmd == MMPLAYER_COMMAND_START) || (player->cmd == MMPLAYER_COMMAND_RESUME) )
+                       {
+                               if (!player->sent_bos)
+                               {
+                                       __mmplayer_handle_missed_plugin ( player );
+                               }
 
-                                               if ( MM_ERROR_NONE != ret_value )
-                                               {
-                                                       debug_error("failed to set position to zero for rewind\n");
-                                               }
-                                               else
-                                               {
-                                                       if ( count > 1 )
-                                                       {
-                                                               /* we successeded to rewind. update play count and then wait for next EOS */
-                                                               count--;
+                               /* update ASM state for video and streaming buffering */
+                               asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_PLAYING, TRUE);
+                               if (asm_result != MM_ERROR_NONE)
+                               {
+                                       if (player->pipeline->videobin)
+                                       {
+                                               MMMessageParamType msg = {0, };
 
-                                                               mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
+                                               debug_error("failed to go ahead because of video conflict\n");
 
-                                                               if ( mmf_attrs_commit ( attrs ) )
-                                                                       debug_error("failed to commit attrs\n");
-                                                       }
-                                               }
+                                               msg.union_type = MM_MSG_UNION_CODE;
+                                               msg.code = MM_ERROR_POLICY_INTERRUPTED;
+                                               MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_INTERRUPTED, &msg);
 
-                                               break;
+                                               _mmplayer_unrealize((MMHandleType)player);
+                                       }
+                                       else
+                                       {
+                                               debug_error("failed to play by ASM error : 0x%X\n", asm_result);
+                                               _mmplayer_pause((MMHandleType)player);
+                                               return asm_result;
                                        }
+
+                                       return MM_ERROR_POLICY_INTERNAL;
                                }
                        }
 
-                       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-eos" );
-
-                       /* post eos message to application */
-                       __mmplayer_post_delayed_eos( player, PLAYER_INI()->eos_delay );
-
-                       /* reset last position */
-                       player->last_position = 0;
-               }
-               break;
-
-               case GST_MESSAGE_ERROR:
-               {
-                       GError *error = NULL;
-                       gchar* debug = NULL;
-                       gchar *msg_src_element = NULL;
-
-                       /* generating debug info before returning error */
-                       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-error" );
-
-                       /* get error code */
-                       gst_message_parse_error( msg, &error, &debug );
+                       if ( player->resumed_by_rewind && player->playback_rate < 0.0 )
+                       {
+                               /* initialize because auto resume is done well. */
+                               player->resumed_by_rewind = FALSE;
+                               player->playback_rate = 1.0;
+                       }
 
-                       msg_src_element = GST_ELEMENT_NAME( GST_ELEMENT_CAST( msg->src ) );
-                       if ( gst_structure_has_name ( msg->structure, "streaming_error" ) )
+                       if ( !player->sent_bos )
                        {
-                               /* Note : the streaming error from the streaming source is handled
-                                *   using __mmplayer_handle_streaming_error.
+                               /* check audio codec field is set or not
+                                * we can get it from typefinder or codec's caps.
                                 */
-                               __mmplayer_handle_streaming_error ( player, msg );
+                               gchar *audio_codec = NULL;
+                               mm_attrs_get_string_by_name(player->attrs, "content_audio_codec", &audio_codec);
 
-                               /* dump state of all element */
-                               __mmplayer_dump_pipeline_state( player );
-                       }
-                       else
-                       {
-                               /* traslate gst error code to msl error code. then post it
-                                * to application if needed
+                               /* The codec format can't be sent for audio only case like amr, mid etc.
+                                * Because, parser don't make related TAG.
+                                * So, if it's not set yet, fill it with found data.
                                 */
-                               __mmplayer_handle_gst_error( player, msg, error );
+                               if ( ! audio_codec )
+                               {
+                                       if ( g_strrstr(player->type, "audio/midi"))
+                                       {
+                                               audio_codec = g_strdup("MIDI");
 
-                               /* dump state of all element */
-                               __mmplayer_dump_pipeline_state( player );
+                                       }
+                                       else if ( g_strrstr(player->type, "audio/x-amr"))
+                                       {
+                                               audio_codec = g_strdup("AMR");
+                                       }
+                                       else if ( g_strrstr(player->type, "audio/mpeg") && !g_strrstr(player->type, "mpegversion=(int)1"))
+                                       {
+                                               audio_codec = g_strdup("AAC");
+                                       }
+                                       else
+                                       {
+                                               audio_codec = g_strdup("unknown");
+                                       }
+                                       mm_attrs_set_string_by_name(player->attrs, "content_audio_codec", audio_codec);
 
-                       }
+                                       MMPLAYER_FREEIF(audio_codec);
+                                       mmf_attrs_commit(player->attrs);
+                                       debug_log("set audio codec type with caps\n");
+                               }
 
-                       if (MMPLAYER_IS_HTTP_PD(player))
-                       {       
-                               _mmplayer_pd_stop ((MMHandleType)player);
+                               post_bos = TRUE;
                        }
-                       
-                       MMPLAYER_FREEIF( debug );
-                       g_error_free( error );
                }
                break;
 
-               case GST_MESSAGE_WARNING:
-               {
-                       char* debug = NULL;
-                       GError* error = NULL;
-
-                       gst_message_parse_warning(msg, &error, &debug);
-
-                       debug_warning("warning : %s\n", error->message);
-                       debug_warning("debug : %s\n", debug);
+               case MM_PLAYER_STATE_NONE:
+               default:
+                       debug_warning("invalid target state, there is nothing to do.\n");
+                       break;
+       }
 
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_WARNING, NULL );
 
-                       MMPLAYER_FREEIF( debug );
-                       g_error_free( error );
-               }
-               break;
+       /* post message to application */
+       if (MMPLAYER_TARGET_STATE(player) == state)
+       {
+               /* fill the message with state of player */
+               msg.state.previous = MMPLAYER_PREV_STATE(player);
+               msg.state.current = MMPLAYER_CURRENT_STATE(player);
 
-               case GST_MESSAGE_INFO:                          debug_log("GST_MESSAGE_STATE_DIRTY\n"); break;
+               debug_log ("player reach the target state (%s)", MMPLAYER_STATE_GET_NAME(MMPLAYER_TARGET_STATE(player)));
 
-               case GST_MESSAGE_TAG:
+               /* state changed by asm callback */
+               if ( interrupted_by_asm )
                {
-                       debug_log("GST_MESSAGE_TAG\n");
-                       if ( ! __mmplayer_gst_extract_tag_from_msg( player, msg ) )
-                       {
-                               debug_warning("failed to extract tags from gstmessage\n");
-                       }
+                       msg.union_type = MM_MSG_UNION_CODE;
+                       msg.code = player->sm.event_src;
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_INTERRUPTED, &msg );
                }
-               break;
-
-               case GST_MESSAGE_BUFFERING:
+               /* state changed by usecase */
+               else
                {
-                       MMMessageParamType msg_param = {0, };
-                       gboolean update_buffering_percent = TRUE;
-
-                       if ( !MMPLAYER_IS_STREAMING(player) || (player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS) ) // pure hlsdemux case, don't consider buffering of msl currently
-                               break;
-
-                       __mm_player_streaming_buffering (player->streamer, msg);
-
-                       __mmplayer_handle_buffering_message ( player );
-
-                       update_buffering_percent = player->pipeline_is_constructed || MMPLAYER_IS_RTSP_STREAMING(player) || MMPLAYER_IS_HTTP_LIVE_STREAMING(player);
-                       if (update_buffering_percent)
-                       {
-                               msg_param.connection.buffering = player->streamer->buffering_percent;
-                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_BUFFERING, &msg_param );
-                       }
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_CHANGED, &msg );
                }
-               break;
+       }
+       else
+       {
+               debug_log ("intermediate state, do nothing.\n");
+               MMPLAYER_PRINT_STATE(player);
+               return ret;
+       }
 
-               case GST_MESSAGE_STATE_CHANGED:
-               {
-                       MMPlayerGstElement *mainbin;
-                       const GValue *voldstate, *vnewstate, *vpending;
-                       GstState oldstate, newstate, pending;
+       if ( post_bos )
+       {
+               MMPLAYER_POST_MSG ( player, MM_MESSAGE_BEGIN_OF_STREAM, NULL );
+               player->sent_bos = TRUE;
+       }
 
-                       if ( ! ( player->pipeline && player->pipeline->mainbin ) )
-                       {
-                               debug_error("player pipeline handle is null");
+       return ret;
+}
 
-                               break;
-                       }
+gboolean
+__mmplayer_post_message(mm_player_t* player, enum MMMessageType msgtype, MMMessageParamType* param) // @
+{
+       return_val_if_fail( player, FALSE );
 
-                       mainbin = player->pipeline->mainbin;
+       if ( !player->msg_cb )
+       {
+               return FALSE;
+       }
 
-                       /* get state info from msg */
-                       voldstate = gst_structure_get_value (msg->structure, "old-state");
-                       vnewstate = gst_structure_get_value (msg->structure, "new-state");
-                       vpending = gst_structure_get_value (msg->structure, "pending-state");
+       //debug_log("Message (type : %d)  will be posted using msg-cb(%p). \n", msgtype, player->msg_cb);
 
-                       oldstate = (GstState)voldstate->data[0].v_int;
-                       newstate = (GstState)vnewstate->data[0].v_int;
-                       pending = (GstState)vpending->data[0].v_int;
+       player->msg_cb(msgtype, param, player->msg_cb_param);
 
-                       if (oldstate == newstate)
-                               break;
+       return TRUE;
+}
 
-                       debug_log("state changed [%s] : %s ---> %s     final : %s\n",
-                               GST_OBJECT_NAME(GST_MESSAGE_SRC(msg)),
-                               gst_element_state_get_name( (GstState)oldstate ),
-                               gst_element_state_get_name( (GstState)newstate ),
-                               gst_element_state_get_name( (GstState)pending ) );
+static gpointer __mmplayer_next_play_thread(gpointer data)
+{
+       mm_player_t* player = (mm_player_t*) data;
+       MMPlayerGstElement *mainbin = NULL;
 
-                       /* we only handle messages from pipeline */
-                       if( msg->src != (GstObject *)mainbin[MMPLAYER_M_PIPE].gst )
-                               break;
+       return_val_if_fail ( player, NULL );
 
-                       switch(newstate)
-                       {
-                               case GST_STATE_VOID_PENDING:
-                               break;
+       while ( ! player->next_play_thread_exit )
+       {
+               debug_log("next play thread started. waiting for signal.\n");
+               g_cond_wait( player->next_play_thread_cond, player->next_play_thread_mutex );
 
-                               case GST_STATE_NULL:
-                               break;
+               debug_log("re building pipeline for next play.\n");
 
-                               case GST_STATE_READY:
-                               break;
+               if ( player->next_play_thread_exit )
+               {
+                       MMPLAYER_PLAYBACK_UNLOCK(player);
 
-                               case GST_STATE_PAUSED:
-                               {
-                                       if ( ! player->audio_cb_probe_id && player->is_sound_extraction )
-                                               __mmplayer_configure_audio_callback(player);
-                                       
+                       debug_log("exiting next play thread\n");
+                       break;
+               }
 
-                                       if ( MMPLAYER_IS_STREAMING(player) )
-                                       {
-                                               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PAUSED );
+               mainbin = player->pipeline->mainbin;
 
-                                               __mm_player_streaming_set_content_bitrate(player->streamer, player->total_maximum_bitrate, player->total_bitrate);
+               MMPLAYER_RELEASE_ELEMENT(player, mainbin, MMPLAYER_M_MUXED_S_BUFFER);
+               MMPLAYER_RELEASE_ELEMENT(player, mainbin, MMPLAYER_M_ID3DEMUX);
+               MMPLAYER_RELEASE_ELEMENT(player, mainbin, MMPLAYER_M_AUTOPLUG);
+               MMPLAYER_RELEASE_ELEMENT(player, mainbin, MMPLAYER_M_TYPEFIND);
+               MMPLAYER_RELEASE_ELEMENT(player, mainbin, MMPLAYER_M_SRC);
 
-                                               /* check pending seek and do now */
-                                               if ( player->pending_seek.is_pending )
-                                                       __gst_pending_seek ( player );
-                                       }
+               __mmplayer_activate_next_source(player, GST_STATE_PLAYING);
+       }
 
-                                       player->need_update_content_dur = TRUE;
-                               }                                       
-                               break;
+       return NULL;
+}
 
-                               case GST_STATE_PLAYING:
-                               {
+static gpointer __mmplayer_repeat_thread(gpointer data)
+{
+       mm_player_t* player = (mm_player_t*) data;
+       gboolean ret_value = FALSE;
+       MMHandleType attrs = 0;
+       gint count = 0;
 
-                                       gboolean is_async = FALSE;
+       return_val_if_fail ( player, NULL );
 
-                                       if (player->doing_seek && async_done)
-                                       {
-                                               player->doing_seek = FALSE;
-                                               async_done = FALSE;
-                                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_SEEK_COMPLETED, NULL );
-                                       }
+       while ( ! player->repeat_thread_exit )
+       {
+               debug_log("repeat thread started. waiting for signal.\n");
+               g_cond_wait( player->repeat_thread_cond, player->repeat_thread_mutex );
 
-                                       /* It should be called in case of async start only.
-                                         * don't need to call in the case of resume and sync start (currently, resume is sync.)
-                                         */
-                                       mm_attrs_get_int_by_name(player->attrs,"profile_async_start", &is_async);
-                                       if (is_async && player->cmd == MMPLAYER_COMMAND_START)
-                                               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PLAYING );
-                               }
-                               break;
+               if ( player->repeat_thread_exit )
+               {
+                       debug_log("exiting repeat thread\n");
+                       break;
+               }
 
-                               default:
-                               break;
-                       }
+               if ( !player->cmd_lock )
+               {
+                       debug_log("can't get cmd lock\n");
+                       return NULL;
                }
-               break;
 
-               case GST_MESSAGE_STATE_DIRTY:           debug_log("GST_MESSAGE_STATE_DIRTY\n"); break;
-               case GST_MESSAGE_STEP_DONE:                     debug_log("GST_MESSAGE_STEP_DONE\n"); break;
-               case GST_MESSAGE_CLOCK_PROVIDE:         debug_log("GST_MESSAGE_CLOCK_PROVIDE\n"); break;
-               
-               case GST_MESSAGE_CLOCK_LOST:
-                       {
-                               GstClock *clock = NULL;
-                               gst_message_parse_clock_lost (msg, &clock);
-                               debug_log("GST_MESSAGE_CLOCK_LOST : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
-                               g_print ("GST_MESSAGE_CLOCK_LOST : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
+               /* lock */
+               g_mutex_lock(player->cmd_lock);
 
-                               if (PLAYER_INI()->provide_clock)
-                               {
-                                       debug_log ("Provide clock is TRUE, do pause->resume\n");
-                                       __gst_pause(player, FALSE);
-                                       __gst_resume(player, FALSE);
-                               }
-                       }
+               attrs = MMPLAYER_GET_ATTRS(player);
+
+               if (mm_attrs_get_int_by_name(attrs, "profile_play_count", &count) != MM_ERROR_NONE)
+               {
+                       debug_error("can not get play count\n");
                        break;
-                       
-               case GST_MESSAGE_NEW_CLOCK:
+               }
+
+               if ( player->section_repeat )
+               {
+                       ret_value = _mmplayer_activate_section_repeat((MMHandleType)player, player->section_repeat_start, player->section_repeat_end);
+               }
+               else
+               {
+                       if ( player->playback_rate < 0.0 )
                        {
-                               GstClock *clock = NULL;
-                               gst_message_parse_new_clock (msg, &clock);
-                               debug_log("GST_MESSAGE_NEW_CLOCK : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
+                               player->resumed_by_rewind = TRUE;
+                               _mmplayer_set_mute((MMHandleType)player, 0);
+                               MMPLAYER_POST_MSG( player, MM_MESSAGE_RESUMED_BY_REW, NULL );
                        }
-                       break;
 
-               case GST_MESSAGE_STRUCTURE_CHANGE:      debug_log("GST_MESSAGE_STRUCTURE_CHANGE\n"); break;
-               case GST_MESSAGE_STREAM_STATUS:         debug_log("GST_MESSAGE_STREAM_STATUS\n"); break;
-               case GST_MESSAGE_APPLICATION:           debug_log("GST_MESSAGE_APPLICATION\n"); break;
+                       ret_value = __gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, player->playback_rate,
+                               GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET,
+                               0, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
 
-               case GST_MESSAGE_ELEMENT:
-               {
-                       debug_log("GST_MESSAGE_ELEMENT\n");
+                       /* initialize */
+                       player->sent_bos = FALSE;
                }
-               break;
-               
-               case GST_MESSAGE_SEGMENT_START:         debug_log("GST_MESSAGE_SEGMENT_START\n"); break;
-               case GST_MESSAGE_SEGMENT_DONE:          debug_log("GST_MESSAGE_SEGMENT_DONE\n"); break;
-               
-               case GST_MESSAGE_DURATION:
+
+               if ( ! ret_value )
                {
-                       debug_log("GST_MESSAGE_DURATION\n");
+                       debug_error("failed to set position to zero for rewind\n");
+                       continue;
                }
-               break;
-               
-               case GST_MESSAGE_LATENCY:                               debug_log("GST_MESSAGE_LATENCY\n"); break;
-               case GST_MESSAGE_ASYNC_START:           debug_log("GST_MESSAGE_ASYNC_DONE : %s\n", gst_element_get_name(GST_MESSAGE_SRC(msg))); break;
-               
-               case GST_MESSAGE_ASYNC_DONE:    
+
+               /* decrease play count */
+               if ( count > 1 )
                {
-                       debug_log("GST_MESSAGE_ASYNC_DONE : %s\n", gst_element_get_name(GST_MESSAGE_SRC(msg)));
+                       /* we successeded to rewind. update play count and then wait for next EOS */
+                       count--;
 
-                       if (player->doing_seek)
+                       mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
+
+                       /* commit attribute */
+                       if ( mmf_attrs_commit ( attrs ) )
                        {
-                               if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PAUSED)
-                               {
-                                       player->doing_seek = FALSE;
-                                       MMPLAYER_POST_MSG ( player, MM_MESSAGE_SEEK_COMPLETED, NULL );
-                               }
-                               else if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PLAYING)
-                               {
-                                       async_done = TRUE;
-                               }
+                               debug_error("failed to commit attribute\n");
                        }
                }
-               break;
-               
-               case GST_MESSAGE_REQUEST_STATE:         debug_log("GST_MESSAGE_REQUEST_STATE\n"); break;
-               case GST_MESSAGE_STEP_START:            debug_log("GST_MESSAGE_STEP_START\n"); break;
-               case GST_MESSAGE_QOS:                                   debug_log("GST_MESSAGE_QOS\n"); break;
-               case GST_MESSAGE_PROGRESS:                      debug_log("GST_MESSAGE_PROGRESS\n"); break;
-               case GST_MESSAGE_ANY:                           debug_log("GST_MESSAGE_ANY\n"); break;
 
-               default:
-                       debug_warning("unhandled message\n");
-               break;
+               /* unlock */
+               g_mutex_unlock(player->cmd_lock);
        }
 
-       /* FIXIT : this cause so many warnings/errors from glib/gstreamer. we should not call it since
-        * gst_element_post_message api takes ownership of the message.
-        */
-       //gst_message_unref( msg );
-
-       return ret;
+       return NULL;
 }
 
-static gboolean
-__mmplayer_gst_extract_tag_from_msg(mm_player_t* player, GstMessage* msg) // @
+static void
+__mmplayer_update_buffer_setting(mm_player_t *player, GstMessage *buffering_msg)
 {
+       MMHandleType attrs = 0;
+       guint64 data_size = 0;
+       gchar* path = NULL;
+       unsigned long pos_msec = 0;
+       struct stat sb;
 
-/* macro for better code readability */
-#define MMPLAYER_UPDATE_TAG_STRING(gsttag, attribute, playertag) \
-if (gst_tag_list_get_string(tag_list, gsttag, &string)) \
-{\
-       if (string != NULL)\
-       {\
-               debug_log ( "update tag string : %s\n", string); \
-               mm_attrs_set_string_by_name(attribute, playertag, string); \
-               g_free(string);\
-               string = NULL;\
-       }\
-}
-
-#define MMPLAYER_UPDATE_TAG_IMAGE(gsttag, attribute, playertag) \
-value = gst_tag_list_get_value_index(tag_list, gsttag, index); \
-if (value) \
-{\
-       buffer = gst_value_get_buffer (value); \
-       debug_log ( "update album cover data : %p, size : %d\n", GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer)); \
-       player->album_art = (gchar *)g_malloc(GST_BUFFER_SIZE(buffer)); \
-       if (player->album_art); \
-       { \
-               memcpy(player->album_art, GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer)); \
-               mm_attrs_set_data_by_name(attribute, playertag, (void *)player->album_art, GST_BUFFER_SIZE(buffer)); \
-       } \
-}
+       return_if_fail( player && player->pipeline && player->pipeline->mainbin);
 
-#define MMPLAYER_UPDATE_TAG_UINT(gsttag, attribute, playertag) \
-if (gst_tag_list_get_uint(tag_list, gsttag, &v_uint))\
-{\
-       if(v_uint)\
-       {\
-               if(gsttag==GST_TAG_BITRATE)\
-               {\
-                       if (player->updated_bitrate_count == 0) \
-                               mm_attrs_set_int_by_name(attribute, "content_audio_bitrate", v_uint); \
-                       if (player->updated_bitrate_count<MM_PLAYER_STREAM_COUNT_MAX) \
-                       {\
-                               player->bitrate[player->updated_bitrate_count] = v_uint;\
-                               player->total_bitrate += player->bitrate[player->updated_maximum_bitrate_count]; \
-                               player->updated_bitrate_count++; \
-                               mm_attrs_set_int_by_name(attribute, playertag, player->total_bitrate);\
-                               debug_log ( "update bitrate %d[bps] of stream #%d.\n", v_uint, player->updated_bitrate_count);\
-                       }\
-               }\
-               else if (gsttag==GST_TAG_MAXIMUM_BITRATE)\
-               {\
-                       if (player->updated_maximum_bitrate_count<MM_PLAYER_STREAM_COUNT_MAX) \
-                       {\
-                               player->maximum_bitrate[player->updated_maximum_bitrate_count] = v_uint;\
-                               player->total_maximum_bitrate += player->maximum_bitrate[player->updated_maximum_bitrate_count]; \
-                               player->updated_maximum_bitrate_count++; \
-                               mm_attrs_set_int_by_name(attribute, playertag, player->total_maximum_bitrate); \
-                               debug_log ( "update maximum bitrate %d[bps] of stream #%d\n", v_uint, player->updated_maximum_bitrate_count);\
-                       }\
-               }\
-               else\
-               {\
-                       mm_attrs_set_int_by_name(attribute, playertag, v_uint); \
-               }\
-               v_uint = 0;\
-       }\
-}
+       __gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &pos_msec);       // update last_position
 
-#define MMPLAYER_UPDATE_TAG_DATE(gsttag, attribute, playertag) \
-if (gst_tag_list_get_date(tag_list, gsttag, &date))\
-{\
-       if (date != NULL)\
-       {\
-               string = g_strdup_printf("%d", g_date_get_year(date));\
-               mm_attrs_set_string_by_name(attribute, playertag, string);\
-               debug_log ( "metainfo year : %s\n", string);\
-               MMPLAYER_FREEIF(string);\
-               g_date_free(date);\
-       }\
-}
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+       {
+               debug_error("fail to get attributes.\n");
+               return;
+       }
 
-#define MMPLAYER_UPDATE_TAG_UINT64(gsttag, attribute, playertag) \
-if(gst_tag_list_get_uint64(tag_list, gsttag, &v_uint64))\
-{\
-       if(v_uint64)\
-       {\
-               /* FIXIT : don't know how to store date */\
-               g_assert(1);\
-               v_uint64 = 0;\
-       }\
-}
+       if (!MMPLAYER_IS_STREAMING(player) && (player->can_support_codec & FOUND_PLUGIN_VIDEO))
+       {
+               mm_attrs_get_string_by_name(attrs, "profile_uri", &path);
 
-#define MMPLAYER_UPDATE_TAG_DOUBLE(gsttag, attribute, playertag) \
-if(gst_tag_list_get_double(tag_list, gsttag, &v_double))\
-{\
-       if(v_double)\
-       {\
-               /* FIXIT : don't know how to store date */\
-               g_assert(1);\
-               v_double = 0;\
-       }\
-}
+               if (stat(path, &sb) == 0)
+               {
+                       data_size = (guint64)sb.st_size;
+               }
+       }
+       else if (MMPLAYER_IS_HTTP_STREAMING(player))
+       {
+               data_size = player->http_content_size;
+       }
 
-       /* function start */
-       GstTagList* tag_list = NULL;
+       __mm_player_streaming_buffering(        player->streamer,
+                                                                               buffering_msg,
+                                                                               data_size,
+                                                                               player->last_position,
+                                                                               player->duration);
 
-       MMHandleType attrs = 0;
+       __mm_player_streaming_sync_property(player->streamer, player->pipeline->mainbin[MMPLAYER_M_AUTOPLUG].gst);
 
-       char *string = NULL;
-       guint v_uint = 0;
-       GDate *date = NULL;
-       /* album cover */
-       GstBuffer *buffer = NULL;
-       gint index = 0;
-       const GValue *value;
+       return;
+}
 
-       /* currently not used. but those are needed for above macro */
-       //guint64 v_uint64 = 0;
-       //gdouble v_double = 0;
 
-       return_val_if_fail( player && msg, FALSE );
+static void
+__mmplayer_handle_buffering_message ( mm_player_t* player )
+{
+       MMPlayerStateType prev_state = MM_PLAYER_STATE_NONE;
+       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       MMPlayerStateType target_state = MM_PLAYER_STATE_NONE;
+       MMPlayerStateType pending_state = MM_PLAYER_STATE_NONE;
 
-       attrs = MMPLAYER_GET_ATTRS(player);
+       return_if_fail ( player );
 
-       return_val_if_fail( attrs, FALSE );
+       prev_state = MMPLAYER_PREV_STATE(player);
+       current_state = MMPLAYER_CURRENT_STATE(player);
+       target_state = MMPLAYER_TARGET_STATE(player);
+       pending_state = MMPLAYER_PENDING_STATE(player);
 
-       /* get tag list from gst message */
-       gst_message_parse_tag(msg, &tag_list);
+       if (MMPLAYER_IS_LIVE_STREAMING(player))
+               return;
 
-       /* store tags to player attributes */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_TITLE, attrs, "tag_title");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_TITLE_SORTNAME, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ARTIST, attrs, "tag_artist");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ARTIST_SORTNAME, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ALBUM, attrs, "tag_album");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ALBUM_SORTNAME, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COMPOSER, attrs, "tag_author");
-       MMPLAYER_UPDATE_TAG_DATE(GST_TAG_DATE, attrs, "tag_date");
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_GENRE, attrs, "tag_genre");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COMMENT, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_EXTENDED_COMMENT, ?, ?); */
-       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_TRACK_NUMBER, attrs, "tag_track_num");
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_TRACK_COUNT, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ALBUM_VOLUME_NUMBER, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ALBUM_VOLUME_COUNT, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LOCATION, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_DESCRIPTION, attrs, "tag_description");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_VERSION, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ISRC, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ORGANIZATION, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COPYRIGHT, attrs, "tag_copyright");
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COPYRIGHT_URI, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_CONTACT, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LICENSE, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LICENSE_URI, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_PERFORMER, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT64(GST_TAG_DURATION, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_CODEC, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_VIDEO_CODEC, attrs, "content_video_codec");
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_AUDIO_CODEC, attrs, "content_audio_codec");
-       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_BITRATE, attrs, "content_bitrate");
-       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_MAXIMUM_BITRATE, attrs, "content_max_bitrate");
-       MMPLAYER_UPDATE_TAG_IMAGE(GST_TAG_IMAGE, attrs, "tag_album_cover");
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_NOMINAL_BITRATE, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_MINIMUM_BITRATE, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_SERIAL, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ENCODER, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ENCODER_VERSION, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_TRACK_GAIN, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_TRACK_PEAK, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_ALBUM_GAIN, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_ALBUM_PEAK, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_REFERENCE_LEVEL, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LANGUAGE_CODE, ?, ?); */
-       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_BEATS_PER_MINUTE, ?, ?); */
+       if ( !player->streamer->is_buffering )
+       {
+               debug_log( "player state : prev %s, current %s, pending %s, target %s \n",
+                       MMPLAYER_STATE_GET_NAME(prev_state),
+                       MMPLAYER_STATE_GET_NAME(current_state),
+                       MMPLAYER_STATE_GET_NAME(pending_state),
+                       MMPLAYER_STATE_GET_NAME(target_state));
 
-       if ( mmf_attrs_commit ( attrs ) )
-               debug_error("failed to commit.\n");
+               /* NOTE : if buffering has done, player has to go to target state. */
+               switch ( target_state )
+               {
+                       case MM_PLAYER_STATE_PAUSED :
+                       {
+                               switch ( pending_state )
+                               {
+                                       case MM_PLAYER_STATE_PLAYING:
+                                       {
+                                               __gst_pause ( player, TRUE );
+                                       }
+                                       break;
 
-       gst_tag_list_free(tag_list);
+                                       case MM_PLAYER_STATE_PAUSED:
+                                       {
+                                                debug_log("player is already going to paused state, there is nothing to do.\n");
+                                       }
+                                       break;
 
-       return TRUE;
-}
+                                       case MM_PLAYER_STATE_NONE:
+                                       case MM_PLAYER_STATE_NULL:
+                                       case MM_PLAYER_STATE_READY:
+                                       default :
+                                       {
+                                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
+                                       }
+                                               break;
+                               }
+                       }
+                       break;
 
-static void
-__mmplayer_gst_rtp_no_more_pads (GstElement *element,  gpointer data)  // @
-{
-       mm_player_t* player = (mm_player_t*) data;
+                       case MM_PLAYER_STATE_PLAYING :
+                       {
+                               switch ( pending_state )
+                               {
+                                       case MM_PLAYER_STATE_NONE:
+                                       {
+                                               if (current_state != MM_PLAYER_STATE_PLAYING)
+                                                       __gst_resume ( player, TRUE );
+                                       }
+                                       break;
 
-       debug_fenter();
+                                       case MM_PLAYER_STATE_PAUSED:
+                                       {
+                                               /* NOTE: It should be worked as asynchronously.
+                                                * Because, buffering can be completed during autoplugging when pipeline would try to go playing state directly.
+                                                */
+                                               __gst_resume ( player, TRUE );
+                                       }
+                                       break;
 
-       /* NOTE : we can remove fakesink here if there's no rtp_dynamic_pad. because whenever
-         * we connect autoplugging element to the pad which is just added to rtspsrc, we increase
-         * num_dynamic_pad. and this is no-more-pad situation which means mo more pad will be added.
-         * So we can say this. if num_dynamic_pad is zero, it must be one of followings
+                                       case MM_PLAYER_STATE_PLAYING:
+                                       {
+                                                debug_log("player is already going to playing state, there is nothing to do.\n");
+                                       }
+                                       break;
 
-         * [1] audio and video will be dumped with filesink.
-         * [2] autoplugging is done by just using pad caps.
-         * [3] typefinding has happend in audio but audiosink is created already before no-more-pad signal
-         * and the video will be dumped via filesink.
-         */
-       if ( player->num_dynamic_pad == 0 )
-       {
-               debug_log("it seems pad caps is directely used for autoplugging. removing fakesink now\n");
+                                       case MM_PLAYER_STATE_NULL:
+                                       case MM_PLAYER_STATE_READY:
+                                       default :
+                                       {
+                                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
+                                       }
+                                               break;
+                               }
+                       }
+                       break;
 
-               if ( ! __mmplayer_gst_remove_fakesink( player,
-                       &player->pipeline->mainbin[MMPLAYER_M_SRC_FAKESINK]) );
+                       case MM_PLAYER_STATE_NULL :
+                       case MM_PLAYER_STATE_READY :
+                       case MM_PLAYER_STATE_NONE :
+                       default:
+                       {
+                               debug_warning("invalid target state [%s].\n", MMPLAYER_STATE_GET_NAME(target_state) );
+                       }
+                               break;
+               }
        }
+       else
+       {
+               /* NOTE : during the buffering, pause the player for stopping pipeline clock.
+                *      it's for stopping the pipeline clock to prevent dropping the data in sink element.
+                */
+               switch ( pending_state )
+               {
+                       case MM_PLAYER_STATE_NONE:
+                       {
+                               if (current_state != MM_PLAYER_STATE_PAUSED)
+                               {
+                                       debug_log("set pause state during buffering\n");
+                                       __gst_pause ( player, TRUE );
 
-       /* create dot before error-return. for debugging */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-no-more-pad" );
+                                       // to cover the weak-signal environment.
+                                       if (MMPLAYER_IS_RTSP_STREAMING(player))
+                                       {
+                                               unsigned long position = 0;
+                                               gint64 pos_msec = 0;
 
-       /* NOTE : if rtspsrc goes to PLAYING before adding it's src pads, a/v sink elements will
-        * not goes to PLAYING. they will just remain in PAUSED state. simply we are giving
-        * PLAYING state again.
-        */
-       __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, TRUE, 5000 );
+                                               debug_log("[RTSP] seek to the buffering start point\n");
 
-       player->no_more_pad = TRUE;
+                                               if (__gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &position ))
+                                               {
+                                                       debug_error("failed to get position\n");
+                                                       break;
+                                               }
 
-       debug_fleave();
-}
+                                               /* key unit seek */
+                                               pos_msec = position * G_GINT64_CONSTANT(1000000);
 
-static gboolean
-__mmplayer_gst_remove_fakesink(mm_player_t* player, MMPlayerGstElement* fakesink) // @
-{
-       GstElement* parent = NULL;
+                                               __gst_seek(player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
+                                                                       GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET,
+                                                                       pos_msec, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
+                                       }
+                               }
+                       }
+                       break;
 
-       return_val_if_fail(player && player->pipeline && fakesink, FALSE);
+                       case MM_PLAYER_STATE_PLAYING:
+                       {
+                               __gst_pause ( player, TRUE );
+                       }
+                       break;
 
-       /* lock */
-       g_mutex_lock( player->fsink_lock );
+                       case MM_PLAYER_STATE_PAUSED:
+                       {
+                       }
+                       break;
 
-       if ( ! fakesink->gst )
-       {
-               goto ERROR;
+                       case MM_PLAYER_STATE_NULL:
+                       case MM_PLAYER_STATE_READY:
+                       default :
+                       {
+                               debug_warning("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state) );
+                       }
+                               break;
+               }
        }
+}
 
-       /* get parent of fakesink */
-       parent = (GstElement*)gst_object_get_parent( (GstObject*)fakesink->gst );
-       if ( ! parent )
-       {
-               debug_log("fakesink already removed\n");
-               goto ERROR;
-       }
+static void
+__mmplayer_drop_subtitle(mm_player_t* player, gboolean is_drop)
+{
+       MMPlayerGstElement *textbin;
+       MMPLAYER_FENTER();
 
-       gst_element_set_locked_state( fakesink->gst, TRUE );
+       return_if_fail ( player &&
+                                       player->pipeline &&
+                                       player->pipeline->textbin);
 
-       /* setting the state to NULL never returns async
-        * so no need to wait for completion of state transiton
-        */
-       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (fakesink->gst, GST_STATE_NULL) )
-       {
-               debug_error("fakesink state change failure!\n");
+       return_if_fail ( player->pipeline->textbin[MMPLAYER_T_VIDEO_SINK].gst &&
+                                       player->pipeline->textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst &&
+                                       player->pipeline->textbin[MMPLAYER_T_TEXT_IDENTITY].gst);
 
-               /* FIXIT : should I return here? or try to proceed to next? */
-               /* return FALSE; */
-       }
+       textbin = player->pipeline->textbin;
 
-       /* remove fakesink from it's parent */
-       if ( ! gst_bin_remove( GST_BIN( parent ), fakesink->gst ) )
+       if (is_drop)
        {
-               debug_error("failed to remove fakesink\n");
+               debug_log("Drop subtitle text after getting EOS\n");
 
-               gst_object_unref( parent );
+               g_object_set(textbin[MMPLAYER_T_FAKE_SINK].gst, "async", FALSE, NULL);
+               g_object_set(textbin[MMPLAYER_T_VIDEO_SINK].gst, "async", FALSE, NULL);
+               g_object_set(textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst, "drop-probability", (gfloat)1.0, NULL);
+               g_object_set(textbin[MMPLAYER_T_TEXT_IDENTITY].gst, "drop-probability", (gfloat)1.0, NULL);
 
-               goto ERROR;
+               player->is_subtitle_force_drop = TRUE;
        }
+       else
+       {
+               if (player->is_subtitle_force_drop == TRUE)
+               {
+                       debug_log("Enable subtitle data path without drop\n");
 
-       gst_object_unref( parent );
-
-       /* FIXIT : releasing fakesink takes too much time (around 700ms)
-        * we need to figure out the reason why. just for now, fakesink will be released
-        * in __mmplayer_gst_destroy_pipeline()
-        */
-       //      gst_object_unref ( fakesink->gst );
-       //      fakesink->gst = NULL;
+                       // player->display_stat = util_get_is_connected_external_display();
 
-       debug_log("state-holder removed\n");
+                       /* if connected with external display */
+                       if ((player->display_stat == MMPLAYER_DISPLAY_STATUS_HDMI_ACTIVE) ||
+                               (player->display_stat == MMPLAYER_DISPLAY_STATUS_UNKNOWN_ACTIVE))
+                       {
+                               g_object_set(textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst, "drop-probability", (gfloat)1.0, NULL);
+                               g_object_set(textbin[MMPLAYER_T_TEXT_IDENTITY].gst, "drop-probability", (gfloat)0.0, NULL);
+                               g_object_set(textbin[MMPLAYER_T_VIDEO_SINK].gst, "async", TRUE, NULL);
+                               g_object_set(textbin[MMPLAYER_T_FAKE_SINK].gst, "async", FALSE, NULL);
 
-       gst_element_set_locked_state( fakesink->gst, FALSE );
+                               debug_log ("connected with external display");
+                       }
+                       else
+                       {
+                               g_object_set(textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst, "drop-probability", (gfloat)0.0, NULL);
+                               g_object_set(textbin[MMPLAYER_T_TEXT_IDENTITY].gst, "drop-probability", (gfloat)1.0, NULL);
+                               g_object_set(textbin[MMPLAYER_T_VIDEO_SINK].gst, "async", FALSE, NULL);
+                               g_object_set(textbin[MMPLAYER_T_FAKE_SINK].gst, "async", TRUE, NULL);
 
-       g_mutex_unlock( player->fsink_lock );
-       return TRUE;
+                               debug_log ("non-connected with external display");
+                       }
 
-ERROR:
-       if ( fakesink->gst )
-       {
-               gst_element_set_locked_state( fakesink->gst, FALSE );
+                       player->is_subtitle_force_drop = FALSE;
+               }
        }
-
-       g_mutex_unlock( player->fsink_lock );
-       return FALSE;
 }
 
-
-static void
-__mmplayer_gst_rtp_dynamic_pad (GstElement *element, GstPad *pad, gpointer data) // @
+static gboolean
+__mmplayer_gst_callback(GstBus *bus, GstMessage *msg, gpointer data) // @
 {
-       GstPad *sinkpad = NULL;
-       GstCaps* caps = NULL;
-       GstElement* new_element = NULL;
-       enum MainElementID element_id = MMPLAYER_M_NUM;
-
        mm_player_t* player = (mm_player_t*) data;
+       gboolean ret = TRUE;
+       static gboolean async_done = FALSE;
 
-       debug_fenter();
+       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( msg && GST_IS_MESSAGE(msg), FALSE );
 
-       return_if_fail( element && pad );
-       return_if_fail( player &&
-                                       player->pipeline &&
-                                       player->pipeline->mainbin );
-
-
-       /* first, check pt type which we are supporting or not */
-       if ( MMPLAYER_PT_IS_VIDEO( GST_PAD_NAME( pad ) ) )
-       {
-               /* video packet */
-               debug_log("is video stream. take it.\n");
-               element_id = MMPLAYER_M_S_VDEC;
-       }
-       else if ( MMPLAYER_PT_IS_AUDIO( GST_PAD_NAME( pad ) ) )
-       {
-               /* audio packet */
-               debug_log("is audio stream. take it.\n");
-               element_id = MMPLAYER_M_S_ADEC;
-       }
-       else
+       switch ( GST_MESSAGE_TYPE( msg ) )
        {
-               /* FIXIT : application should know this. need one more message type */
-               debug_error ("This Payload type is unknown!\n");
-               goto ERROR;
-       }
-
-       /* payload type is recognizable. increase num_dynamic and wait for sinkbin creation.
-        * num_dynamic_pad will decreased after creating a sinkbin.
-        */
-       player->num_dynamic_pad++;
-       debug_log("stream count inc : %d\n", player->num_dynamic_pad);
+               case GST_MESSAGE_UNKNOWN:
+                       debug_log("unknown message received\n");
+               break;
 
-       /* perform autoplugging if dump is disabled */
-       if ( ! new_element )
-       {
-               if ( PLAYER_INI()->rtsp_do_typefinding )
+               case GST_MESSAGE_EOS:
                {
-                       /* create autoplugging element */
-                       if( PLAYER_INI()->use_decodebin )
-                       {
-                               /* create decodebin */
-                               new_element = gst_element_factory_make("decodebin", NULL);
+                       MMHandleType attrs = 0;
+                       gint count = 0;
 
-                               g_object_set(G_OBJECT(new_element), "async-handling", TRUE, NULL);
+                       debug_log("GST_MESSAGE_EOS received\n");
 
-                       if ( ! new_element )
+                       /* NOTE : EOS event is comming multiple time. watch out it */
+                       /* check state. we only process EOS when pipeline state goes to PLAYING */
+                       if ( ! (player->cmd == MMPLAYER_COMMAND_START || player->cmd == MMPLAYER_COMMAND_RESUME) )
                        {
-                               debug_error("failed to create autoplug element\n");
-                               goto ERROR;
+                               debug_log("EOS received on non-playing state. ignoring it\n");
+                               break;
                        }
 
-                               /* set signal handler */
-                               MMPLAYER_SIGNAL_CONNECT(        player,
-                                                                                       G_OBJECT(new_element),
-                                                                                       "new-decoded-pad",
-                                                                                       G_CALLBACK(__mmplayer_gst_decode_callback),
-                                                                                       (gpointer)player );
-                       }
-                       else
+                       __mmplayer_drop_subtitle(player, TRUE);
+
+                       if ( (player->audio_stream_cb) && (player->set_mode.pcm_extraction) )
                        {
-                               /* create typefind */
-                               new_element = gst_element_factory_make( "typefind", NULL );
-                               if ( ! new_element )
-                               {
-                                       debug_error("failed to create typefind\n");
-                                       goto ERROR;
-                               }
+                               GstPad *pad = NULL;
 
-                               MMPLAYER_SIGNAL_CONNECT(        player,
-                                                                                       G_OBJECT(new_element),
-                                                                                       "have-type",
-                                                                                       G_CALLBACK(__mmplayer_typefind_have_type),
-                                                                                       (gpointer)player);
+                               pad = gst_element_get_static_pad (player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "sink");
 
-                               /* FIXIT : try to remove it */
-                               player->have_dynamic_pad = FALSE;
-                       }
-               }
-               else  /* NOTE : use pad's caps directely. if enabled. what I am assuming is there's no elemnt has dynamic pad */
-               {
-                       debug_log("using pad caps to autopluging instead of doing typefind\n");
+                               debug_log("release audio callback\n");
 
-                       caps = gst_pad_get_caps( pad );
+                               /* release audio callback */
+                               gst_pad_remove_buffer_probe (pad, player->audio_cb_probe_id);
+                               player->audio_cb_probe_id = 0;
+                               /* audio callback should be free because it can be called even though probe remove.*/
+                               player->audio_stream_cb = NULL;
+                               player->audio_stream_cb_user_param = NULL;
 
-                       MMPLAYER_CHECK_NULL( caps );
+                       }
 
-                       /* clear  previous result*/
-                       player->have_dynamic_pad = FALSE;
+                       /* rewind if repeat count is greater then zero */
+                       /* get play count */
+                       attrs = MMPLAYER_GET_ATTRS(player);
 
-                       if ( ! __mmplayer_try_to_plug( player, pad, caps ) )
+                       if ( attrs )
                        {
-                               debug_error("failed to autoplug for caps : %s\n", gst_caps_to_string( caps ) );
-                               goto ERROR;
-                       }
+                               gboolean smooth_repeat = FALSE;
 
-                       /* check if there's dynamic pad*/
-                       if( player->have_dynamic_pad )
-                       {
-                               debug_error("using pad caps assums there's no dynamic pad !\n");
-                               debug_error("try with enalbing rtsp_do_typefinding\n");
-                               goto ERROR;
-                       }
+                               mm_attrs_get_int_by_name(attrs, "profile_play_count", &count);
+                               mm_attrs_get_int_by_name(attrs, "profile_smooth_repeat", &smooth_repeat);
 
-                       gst_caps_unref( caps );
-                       caps = NULL;
-               }
-       }
+                               player->play_count = count;
 
-       /* excute new_element if created*/
-       if ( new_element )
-       {
-               debug_log("adding new element to pipeline\n");
+                               debug_log("remaining play count: %d, playback rate: %f\n", count, player->playback_rate);
 
-               /* set state to READY before add to bin */
-               MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_READY );
+                               if ( count > 1 || count == -1 || player->playback_rate < 0.0 ) /* default value is 1 */
+                               {
+                                       if ( smooth_repeat )
+                                       {
+                                               debug_log("smooth repeat enabled. seeking operation will be excuted in new thread\n");
 
-               /* add new element to the pipeline */
-               if ( FALSE == gst_bin_add( GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), new_element)  )
-               {
-                       debug_error("failed to add autoplug element to bin\n");
-                       goto ERROR;
-               }
+                                               g_cond_signal( player->repeat_thread_cond );
 
-               /* get pad from element */
-               sinkpad = gst_element_get_static_pad ( GST_ELEMENT(new_element), "sink" );
-               if ( !sinkpad )
-               {
-                       debug_error("failed to get sinkpad from autoplug element\n");
-                       goto ERROR;
-               }
+                                               break;
+                                       }
+                                       else
+                                       {
+                                               gint ret_value = 0;
 
-               /* link it */
-               if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
-               {
-                       debug_error("failed to link autoplug element\n");
-                       goto ERROR;
-               }
+                                               if ( player->section_repeat )
+                                               {
+                                                       ret_value = _mmplayer_activate_section_repeat((MMHandleType)player, player->section_repeat_start, player->section_repeat_end);
+                                               }
+                                               else
+                                               {
+                                                       if ( player->playback_rate < 0.0 )
+                                                       {
+                                                               player->resumed_by_rewind = TRUE;
+                                                               _mmplayer_set_mute((MMHandleType)player, 0);
+                                                               MMPLAYER_POST_MSG( player, MM_MESSAGE_RESUMED_BY_REW, NULL );
+                                                       }
 
-               gst_object_unref (sinkpad);
-               sinkpad = NULL;
+                                                       __mmplayer_handle_eos_delay( player, player->ini.delay_before_repeat );
 
-               /* run. setting PLAYING here since streamming source is live source */
-               MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_PLAYING );
-       }
+                                                       /* initialize */
+                                                       player->sent_bos = FALSE;
+                                               }
 
-       /* store handle to futher manipulation */
-       player->pipeline->mainbin[element_id].id = element_id;
-       player->pipeline->mainbin[element_id].gst = new_element;
+                                               if ( MM_ERROR_NONE != ret_value )
+                                               {
+                                                       debug_error("failed to set position to zero for rewind\n");
+                                               }
 
-       debug_fleave();
+                                               /* not posting eos when repeating */
+                                               break;
+                                       }
+                               }
+                       }
 
-       return;
+                       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-eos" );
 
-STATE_CHANGE_FAILED:
-ERROR:
-       /* FIXIT : take care if new_element has already added to pipeline */
-       if ( new_element )
-               gst_object_unref(GST_OBJECT(new_element));
+                       /* post eos message to application */
+                       __mmplayer_handle_eos_delay( player, player->ini.eos_delay );
 
-       if ( sinkpad )
-               gst_object_unref(GST_OBJECT(sinkpad));
+                       /* reset last position */
+                       player->last_position = 0;
+               }
+               break;
 
-       if ( caps )
-               gst_object_unref(GST_OBJECT(caps));
+               case GST_MESSAGE_ERROR:
+               {
+                       GError *error = NULL;
+                       gchar* debug = NULL;
 
-       /* FIXIT : how to inform this error to MSL ????? */
-       /* FIXIT : I think we'd better to use g_idle_add() to destroy pipeline and
-        * then post an error to application
-        */
-}
+                       /* generating debug info before returning error */
+                       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-error" );
 
+                       /* get error code */
+                       gst_message_parse_error( msg, &error, &debug );
 
-static void
-__mmplayer_gst_decode_callback(GstElement *decodebin, GstPad *pad, gboolean last, gpointer data) // @
-{
-       mm_player_t* player = NULL;
-       MMHandleType attrs = 0;
-       GstElement* pipeline = NULL;
-       GstCaps* caps = NULL;
-       GstStructure* str = NULL;
-       const gchar* name = NULL;
-       GstPad* sinkpad = NULL;
-       GstElement* sinkbin = NULL;
+                       if ( gst_structure_has_name ( msg->structure, "streaming_error" ) )
+                       {
+                               /* Note : the streaming error from the streaming source is handled
+                                *   using __mmplayer_handle_streaming_error.
+                                */
+                               __mmplayer_handle_streaming_error ( player, msg );
 
-       /* check handles */
-       player = (mm_player_t*) data;
+                               /* dump state of all element */
+                               __mmplayer_dump_pipeline_state( player );
+                       }
+                       else
+                       {
+                               /* traslate gst error code to msl error code. then post it
+                                * to application if needed
+                                */
+                               __mmplayer_handle_gst_error( player, msg, error );
 
-       return_if_fail( decodebin && pad );
-       return_if_fail(player && player->pipeline && player->pipeline->mainbin);
+                               if (debug)
+                               {
+                                       debug_error ("error debug : %s", debug);
+                               }
 
-       pipeline = player->pipeline->mainbin[MMPLAYER_M_PIPE].gst;
+                       }
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
-       {
-               debug_error("cannot get content attribute\n");
-               goto ERROR;
-       }
+                       if (MMPLAYER_IS_HTTP_PD(player))
+                       {
+                               _mmplayer_unrealize_pd_downloader ((MMHandleType)player);
+                       }
 
-       /* get mimetype from caps */
-       caps = gst_pad_get_caps( pad );
-       if ( !caps )
-       {
-               debug_error("cannot get caps from pad.\n");
-               goto ERROR;
-       }
+                       MMPLAYER_FREEIF( debug );
+                       g_error_free( error );
+               }
+               break;
 
-       str = gst_caps_get_structure( caps, 0 );
-       if ( ! str )
-       {
-               debug_error("cannot get structure from capse.\n");
-               goto ERROR;
-       }
+               case GST_MESSAGE_WARNING:
+               {
+                       char* debug = NULL;
+                       GError* error = NULL;
 
-       name = gst_structure_get_name(str);
-       if ( ! name )
-       {
-               debug_error("cannot get mimetype from structure.\n");
-               goto ERROR;
-       }
+                       gst_message_parse_warning(msg, &error, &debug);
 
-       debug_log("detected mimetype : %s\n", name);
+                       debug_log("warning : %s\n", error->message);
+                       debug_log("debug : %s\n", debug);
 
-       if (strstr(name, "audio"))
-       {
-               if (player->pipeline->audiobin == NULL)
-               {
-                       __ta__("__mmplayer_gst_create_audio_pipeline",
-                               if (MM_ERROR_NONE !=  __mmplayer_gst_create_audio_pipeline(player))
-                               {
-                                       debug_error("failed to create audiobin. continuing without audio\n");
-                                       goto ERROR;
-                               }
-                       )
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_WARNING, NULL );
 
-                       sinkbin = player->pipeline->audiobin[MMPLAYER_A_BIN].gst;
-                       debug_log("creating audiosink bin success\n");
+                       MMPLAYER_FREEIF( debug );
+                       g_error_free( error );
                }
-               else
+               break;
+
+               case GST_MESSAGE_TAG:
                {
-                       sinkbin = player->pipeline->audiobin[MMPLAYER_A_BIN].gst;
-                       debug_log("re-using audiobin\n");
+                       debug_log("GST_MESSAGE_TAG\n");
+                       if ( ! __mmplayer_gst_extract_tag_from_msg( player, msg ) )
+                       {
+                               debug_warning("failed to extract tags from gstmessage\n");
+                       }
                }
+               break;
 
-               /* FIXIT : track number shouldn't be hardcoded */
-               mm_attrs_set_int_by_name(attrs, "content_audio_track_num", 1);
+               case GST_MESSAGE_BUFFERING:
+               {
+                       MMMessageParamType msg_param = {0, };
+                       int asm_result = MM_ERROR_NONE;
 
-               player->audiosink_linked  = 1;
-               debug_msg("player->audsink_linked set to 1\n");
+                       if (!MMPLAYER_IS_STREAMING(player))
+                               break;
 
-       }
-       else if (strstr(name, "video"))
-       {
-               if (player->pipeline->videobin == NULL)
-               {
-                               __mmplayer_set_videosink_type(player);
+                       /* ignore the prev buffering message */
+                       if ((player->streamer) && (player->streamer->is_buffering == FALSE) && (player->streamer->is_buffering_done == TRUE))
+                       {
+                               gint buffer_percent = 0;
 
-                               /*      NOTE : not make videobin because application dose not want to play it even though file has video stream.
-                               */
-                               if (PLAYER_INI()->video_surface == MM_DISPLAY_SURFACE_NULL)
-                               {
-                                       debug_log("not make videobin because it dose not want\n");
-                                       goto ERROR;
-                               }
+                               gst_message_parse_buffering (msg, &buffer_percent);
 
-                       __ta__("__mmplayer_gst_create_video_pipeline",
-                               if (MM_ERROR_NONE !=  __mmplayer_gst_create_video_pipeline(player, caps) )
+                               if (buffer_percent == MAX_BUFFER_PERCENT)
                                {
-                                       debug_error("failed to create videobin. continuing without video\n");
-                                       goto ERROR;
+                                       debug_log ("Ignored all the previous buffering msg! (got %d%%)\n", buffer_percent);
+                                       player->streamer->is_buffering_done = FALSE;
                                }
-                       )
-
-                       sinkbin = player->pipeline->videobin[MMPLAYER_V_BIN].gst;
-                       debug_log("creating videosink bin success\n");
-               }
-               else
-               {
-                       sinkbin = player->pipeline->videobin[MMPLAYER_V_BIN].gst;
-                       debug_log("re-using videobin\n");
-               }
-
-               /* FIXIT : track number shouldn't be hardcoded */
-               mm_attrs_set_int_by_name(attrs, "content_video_track_num", 1);
 
-               player->videosink_linked  = 1;
-               debug_msg("player->videosink_linked set to 1\n");
+                               break;
+                       }
 
-       }
-       else if (strstr(name, "text"))
-       {
-               if (player->pipeline->textbin == NULL)
-               {
-                       __ta__("__mmplayer_gst_create_text_pipeline",
-                               if (MM_ERROR_NONE !=  __mmplayer_gst_create_text_pipeline(player))
+                       /* update ASM state to ASM_STATE_PLAYING */
+                       /* fixed ASM_STATE_WAITING -> ASM_STATE_PLAYING for Samsunlink issue*/
+                       if ((player->streamer) && (player->streamer->is_buffering == FALSE) && (MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED))
+                       {
+                               asm_result = _mmplayer_asm_set_state((MMHandleType)player, ASM_STATE_WAITING, TRUE);
+                               if ( asm_result != MM_ERROR_NONE )
                                {
-                                       debug_error("failed to create textbin. continuing without text\n");
-                                       goto ERROR;
+                                       debug_warning("failed to set asm state to waiting, but keep going...\n");
                                }
-                       )
-
-                       sinkbin = player->pipeline->textbin[MMPLAYER_T_BIN].gst;
-                       debug_log("creating textink bin success\n");
-               }
-               else
-               {
-                       sinkbin = player->pipeline->textbin[MMPLAYER_T_BIN].gst;
-                       debug_log("re-using textbin\n");
-               }
+                       }
 
-               /* FIXIT : track number shouldn't be hardcoded */
-               mm_attrs_set_int_by_name(attrs, "content_text_track_num", 1);
+                       __mmplayer_update_buffer_setting(player, msg);
 
-               player->textsink_linked  = 1;
-               debug_msg("player->textsink_linked set to 1\n");
-       }
-       else
-       {
-               debug_warning("unknown type of elementary stream! ignoring it...\n");
-               goto ERROR;
-       }
+                       __mmplayer_handle_buffering_message ( player );
 
-       if ( sinkbin )
-       {
-               /* warm up */
-               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state( sinkbin, GST_STATE_READY ) )
-               {
-                       debug_error("failed to set state(READY) to sinkbin\n");
-                       goto ERROR;
+                       msg_param.connection.buffering = player->streamer->buffering_percent;
+                       MMPLAYER_POST_MSG ( player, MM_MESSAGE_BUFFERING, &msg_param );
+                       if (MMPLAYER_IS_RTSP_STREAMING(player) && (player->streamer->buffering_percent >= MAX_BUFFER_PERCENT))
+                       {
+                               if (player->doing_seek)
+                               {
+                                       if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PAUSED)
+                                       {
+                                               player->doing_seek = FALSE;
+                                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_SEEK_COMPLETED, NULL );
+                                       }
+                                       else if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PLAYING)
+                                       {
+                                               async_done = TRUE;
+                                       }
+                               }
+                       }
                }
+               break;
 
-               /* add */
-               if ( FALSE == gst_bin_add( GST_BIN(pipeline), sinkbin ) )
+               case GST_MESSAGE_STATE_CHANGED:
                {
-                       debug_error("failed to add sinkbin to pipeline\n");
-                       goto ERROR;
-               }
+                       MMPlayerGstElement *mainbin;
+                       const GValue *voldstate, *vnewstate, *vpending;
+                       GstState oldstate, newstate, pending;
 
-               sinkpad = gst_element_get_static_pad( GST_ELEMENT(sinkbin), "sink" );
+                       if ( ! ( player->pipeline && player->pipeline->mainbin ) )
+                       {
+                               debug_error("player pipeline handle is null");
+                               break;
+                       }
 
-               if ( !sinkpad )
-               {
-                       debug_error("failed to get pad from sinkbin\n");
-                       goto ERROR;
-               }
+                       mainbin = player->pipeline->mainbin;
 
-               /* link */
-               if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
-               {
-                       debug_error("failed to get pad from sinkbin\n");
-                       goto ERROR;
-               }
+                       /* we only handle messages from pipeline */
+                       if( msg->src != (GstObject *)mainbin[MMPLAYER_M_PIPE].gst )
+                               break;
 
-               /* run */
-               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state( sinkbin, GST_STATE_PAUSED ) )
-               {
-                       debug_error("failed to set state(PLAYING) to sinkbin\n");
-                       goto ERROR;
-               }
+                       /* get state info from msg */
+                       voldstate = gst_structure_get_value (msg->structure, "old-state");
+                       vnewstate = gst_structure_get_value (msg->structure, "new-state");
+                       vpending = gst_structure_get_value (msg->structure, "pending-state");
 
-               gst_object_unref( sinkpad );
-               sinkpad = NULL;
-       }
+                       oldstate = (GstState)voldstate->data[0].v_int;
+                       newstate = (GstState)vnewstate->data[0].v_int;
+                       pending = (GstState)vpending->data[0].v_int;
 
-       /* update track number attributes */
-       if ( mmf_attrs_commit ( attrs ) )
-               debug_error("failed to commit attrs\n");
+                       debug_log("state changed [%s] : %s ---> %s     final : %s\n",
+                               GST_OBJECT_NAME(GST_MESSAGE_SRC(msg)),
+                               gst_element_state_get_name( (GstState)oldstate ),
+                               gst_element_state_get_name( (GstState)newstate ),
+                               gst_element_state_get_name( (GstState)pending ) );
 
-       debug_log("linking sink bin success\n");
+                       if (oldstate == newstate)
+                       {
+                               debug_log("pipeline reports state transition to old state");
+                               break;
+                       }
 
+                       switch(newstate)
+                       {
+                               case GST_STATE_VOID_PENDING:
+                               break;
 
-       /* FIXIT : we cannot hold callback for 'no-more-pad' signal because signal was emitted in
-        * streaming task. if the task blocked, then buffer will not flow to the next element
-        * ( autoplugging element ). so this is special hack for streaming. please try to remove it
-        */
-       /* dec stream count. we can remove fakesink if it's zero */
-       player->num_dynamic_pad--;
+                               case GST_STATE_NULL:
+                               break;
 
-       debug_log("stream count dec : %d (num of dynamic pad)\n", player->num_dynamic_pad);
+                               case GST_STATE_READY:
+                               break;
 
-       if ( ( player->no_more_pad ) && ( player->num_dynamic_pad == 0 ) )
-       {
-               __mmplayer_pipeline_complete( NULL, player );
-       }
+                               case GST_STATE_PAUSED:
+                               {
+                                       gboolean prepare_async = FALSE;
+                                       gboolean is_drm = FALSE;
 
-ERROR:
-       if ( caps )
-               gst_caps_unref( caps );
+                                       if ( ! player->audio_cb_probe_id && player->set_mode.pcm_extraction)
+                                               __mmplayer_configure_audio_callback(player);
 
-       if ( sinkpad )
-               gst_object_unref(GST_OBJECT(sinkpad));
+                                       if ( ! player->sent_bos && oldstate == GST_STATE_READY) // managed prepare async case
+                                       {
+                                               mm_attrs_get_int_by_name(player->attrs, "profile_prepare_async", &prepare_async);
+                                               debug_log("checking prepare mode for async transition - %d", prepare_async);
+                                       }
 
-       return;
-}
+                                       if ( MMPLAYER_IS_STREAMING(player) || prepare_async )
+                                       {
+                                               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PAUSED );
 
-int
-_mmplayer_update_video_param(mm_player_t* player) // @
-{
-       MMHandleType attrs = 0;
-       gint videosink_idx_x = 0;
-       gint videosink_idx_evas = 0;
-       gboolean is_first_v_sink_x = FALSE;
+                                               if (MMPLAYER_IS_STREAMING(player) && (player->streamer))
+                                               {
+                                                       __mm_player_streaming_set_content_bitrate(player->streamer,
+                                                               player->total_maximum_bitrate, player->total_bitrate);
+                                               }
+                                       }
 
-       debug_fenter();
+                                       /* NOTE : should consider streaming case */
+                                       /* check if drm file */
+                                       if ((player->pipeline->mainbin[MMPLAYER_M_SRC].gst) &&
+                                               (g_object_class_find_property(G_OBJECT_GET_CLASS(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "is-drm")))
+                                       {
+                                               g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "is-drm", &is_drm, NULL);
 
-       /* check video sinkbin is created */
-       return_val_if_fail ( player && 
-               player->pipeline &&
-               player->pipeline->videobin &&
-               player->pipeline->videobin[MMPLAYER_V_BIN].gst &&
-               player->pipeline->videobin[MMPLAYER_V_SINK].gst, 
-               MM_ERROR_PLAYER_NOT_INITIALIZED );
+                                               if (is_drm)
+                                               {
+                                                       player->is_drm_file = TRUE;
+                                               }
+                                       }
+                               }
+                               break;
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
-       {
-               debug_error("cannot get content attribute");
-               return MM_ERROR_PLAYER_INTERNAL;
-       }
+                               case GST_STATE_PLAYING:
+                               {
+                                       if ( MMPLAYER_IS_STREAMING(player) ) // managed prepare async case when buffering is completed
+                                       {
+                                               // pending state should be reset oyherwise, it's still playing even though it's resumed after bufferging.
+                                               if ((MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING) ||
+                                                       (MMPLAYER_PENDING_STATE(player) == MM_PLAYER_STATE_PLAYING))
+                                               {
+                                                       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PLAYING);
+                                               }
+                                       }
 
-       /* update display surface */
-       __mmplayer_set_videosink_type(player);
+                                       if (player->src_changed)
+                                       {
+                                               _mmplayer_update_content_attrs(player, ATTR_ALL);
+                                               player->src_changed = FALSE;
+                                       }
 
-       /* check video stream callback is used */
-       if( player->use_video_stream )
-       {
-               if (player->is_nv12_tiled)
-               {
-                       gchar *ename = NULL;
-                       int degree, width, height;
-                       degree = width = height = 0;
-                       
-                       mm_attrs_get_int_by_name(attrs, "display_width", &width);
-                       mm_attrs_get_int_by_name(attrs, "display_height", &height);
-                       mm_attrs_get_int_by_name(attrs, "display_rotation", &degree);
+                                       if (player->doing_seek && async_done)
+                                       {
+                                               player->doing_seek = FALSE;
+                                               async_done = FALSE;
+                                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_SEEK_COMPLETED, NULL );
+                                       }
+                               }
+                               break;
 
-                       /* resize video frame with requested values for fimcconvert */
-                       ename = GST_PLUGIN_FEATURE_NAME(gst_element_get_factory(player->pipeline->videobin[MMPLAYER_V_CONV].gst));
+                               default:
+                               break;
+                       }
+               }
+               break;
 
-                       if (g_strrstr(ename, "fimcconvert"))
+               case GST_MESSAGE_CLOCK_LOST:
                        {
-                               if (width)
-                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-width", width, NULL);
-
-                               if (height)
-                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-height", height, NULL);
+                               GstClock *clock = NULL;
+                               gst_message_parse_clock_lost (msg, &clock);
+                               debug_log("GST_MESSAGE_CLOCK_LOST : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
+                               g_print ("GST_MESSAGE_CLOCK_LOST : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
 
-                               switch (degree)
+                               if (((player->ini.provide_clock_for_music) && (!player->videodec_linked)) ||
+                                       ((player->ini.provide_clock_for_movie) && (player->videodec_linked)))
                                {
-                                       case MM_DISPLAY_ROTATION_NONE:
-                                               degree = 0;
-                                               break;
-                                               
-                                       case MM_DISPLAY_ROTATION_90:
-                                               degree = 90;
-                                               break;
-                                               
-                                       case MM_DISPLAY_ROTATION_180:
-                                               degree = 180;
-                                               break;
-                                               
-                                       case MM_DISPLAY_ROTATION_270:
-                                               degree = 270;
-                                               break;
-                                               
-                                       default:
-                                               degree = 0;
-                                               break;
+                                       debug_log ("Provide clock is TRUE, do pause->resume\n");
+                                       __gst_pause(player, FALSE);
+                                       __gst_resume(player, FALSE);
                                }
-
-                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "rotate", degree, NULL);
-
-                               debug_log("updating fimcconvert - r[%d], w[%d], h[%d]", degree, width, height);
                        }
-                       else
+                       break;
+
+               case GST_MESSAGE_NEW_CLOCK:
                        {
-                               debug_error("no available video converter");
+                               GstClock *clock = NULL;
+                               gst_message_parse_new_clock (msg, &clock);
+                               debug_log("GST_MESSAGE_NEW_CLOCK : %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
                        }
-               }
-               else
-               {
-                       int rotate, width, height, orientation, rotation;
+                       break;
 
-                       rotate = width = height = orientation = rotation = 0;
+               case GST_MESSAGE_ELEMENT:
+                       {
+                               const gchar *structure_name;
+                               gint count = 0;
+                               MMHandleType attrs = 0;
 
-                       debug_log("using video stream callback with memsink. player handle : [%p]", player);
+                               attrs = MMPLAYER_GET_ATTRS(player);
+                               if ( !attrs )
+                               {
+                                       debug_error("cannot get content attribute");
+                                       ret = FALSE;
+                                       break;
+                               }
 
-                       mm_attrs_get_int_by_name(attrs, "display_width", &width);
-                       mm_attrs_get_int_by_name(attrs, "display_height", &height);
-                       mm_attrs_get_int_by_name(attrs, "display_rotation", &rotation);
-                       mm_attrs_get_int_by_name(attrs, "display_orientation", &orientation);
+                               if(msg->structure == NULL)
+                                       break;
 
-                       if(rotation == MM_DISPLAY_ROTATION_NONE)    rotate = 0;
-                       else if(rotation ==MM_DISPLAY_ROTATION_90)   rotate = 90;
-                       else if(rotation ==MM_DISPLAY_ROTATION_180)  rotate = 180;
-                       else if(rotation ==MM_DISPLAY_ROTATION_270)  rotate = 270;
+                               structure_name = gst_structure_get_name(msg->structure);
+                               if(!strcmp(structure_name, "Language_list"))
+                               {
+                                       const GValue *lang_list = NULL;
+                                       lang_list = gst_structure_get_value (msg->structure, "lang_list");
+                                       if(lang_list != NULL)
+                                       {
+                                               count = g_list_length((GList *)g_value_get_pointer (lang_list));
+                                               if (count > 1)
+                                                       debug_log("Total audio tracks (from parser) = %d \n",count);
+                                       }
+                               }
 
-                       if(orientation == 1)        rotate = 90;
-                       else if(orientation == 2)   rotate = 180;
-                       else if(orientation == 3)   rotate = 270;
-                       
-                       if (width)
-                               g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "width", width, NULL);
+                               if (!strcmp (structure_name, "Ext_Sub_Language_List"))
+                               {
+                                       const GValue *lang_list = NULL;
+                                       MMPlayerLangStruct *temp = NULL;
 
-                       if (height)
-                               g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "height", height, NULL);
+                                       lang_list = gst_structure_get_value (msg->structure, "lang_list");
+                                       if (lang_list != NULL)
+                                       {
+                                               count = g_list_length ((GList *)g_value_get_pointer (lang_list));
+                                               if (count)
+                                               {
+                                                 player->subtitle_language_list = (GList *)g_value_get_pointer (lang_list);
+                                                       mm_attrs_set_int_by_name(attrs, "content_text_track_num", (gint)count);
+                                                       if (mmf_attrs_commit (attrs))
+                                                         debug_error("failed to commit.\n");
+                                                       debug_log("Total external subtitle tracks = %d \n", count);
+                                               }
+                                               while (count)
+                                               {
+                                                       temp = g_list_nth_data (player->subtitle_language_list, count - 1);
+                                                       debug_log ("value of lang_key is %s and lang_code is %s",
+                                                                               temp->language_key, temp->language_code);
+                                                       count--;
+                                               }
+                                       }
+                               }
+                               if (!strcmp (structure_name, "Int_Sub_Language_List"))
+                               {
+                                       const GValue *lang_list = NULL;
+                                       MMPlayerLangStruct *temp = NULL;
+                                       lang_list = gst_structure_get_value (msg->structure, "lang_list");
+                                       if (lang_list != NULL && !player->is_external_subtitle_present)
+                                       {
+                                               count = g_list_length ((GList *)g_value_get_pointer (lang_list));
+                                               if (count)
+                                               {
+                                                       player->subtitle_language_list = (GList *)g_value_get_pointer (lang_list);
+                                                       g_object_set (G_OBJECT (player->pipeline->mainbin[MMPLAYER_M_T_SUBMUX_INTERNAL].gst), "lang-list", player->subtitle_language_list, NULL);
+                                                       mm_attrs_set_int_by_name(attrs, "content_text_track_num", (gint)count);
+                                                       if (mmf_attrs_commit (attrs))
+                                                         debug_error("failed to commit.\n");
+                                                       debug_log("Total internal subtitle tracks = %d \n", count);
+                                               }
+                                               while (count)
+                                               {
+                                                       temp = g_list_nth_data (player->subtitle_language_list, count - 1);
+                                                       debug_log ("value of lang_key is %s and lang_code is %s",
+                                                                               temp->language_key, temp->language_code);
+                                                       count--;
+                                               }
+                                       } else if (lang_list != NULL) {
+                                         GList* internal_lang_list;
+                                         internal_lang_list = (GList *)g_value_get_pointer (lang_list);
+                                         debug_log ("it is internal & external case simultaneously");
+                                         g_object_set (G_OBJECT (player->pipeline->mainbin[MMPLAYER_M_T_SUBMUX_INTERNAL].gst), "lang-list", internal_lang_list, NULL);
+                                       } else {
+                                         debug_error ("language list is coming null");
+                                       }
+                               }
 
-                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "rotate", rotate,NULL);
-               }
-               
-               return MM_ERROR_NONE;
-       }
-
-       if (player->use_multi_surface)
-       {
-               is_first_v_sink_x = !strncmp(GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_SINK_EXT].gst),  "videosink_ext_evas", 18);
-               if (is_first_v_sink_x)
-               {
-                       videosink_idx_x = MMPLAYER_V_SINK;
-                       videosink_idx_evas = MMPLAYER_V_SINK_EXT;
-               }
-               else
-               {
-                       videosink_idx_x = MMPLAYER_V_SINK_EXT;
-                       videosink_idx_evas = MMPLAYER_V_SINK;
-               }
-               debug_log("use multi-surface : videosink_idx_x(%d), videosink_idx_evas(%d)", videosink_idx_x,videosink_idx_evas);
-       }
-       else
-       {
-               videosink_idx_x = videosink_idx_evas = MMPLAYER_V_SINK;
-       }
-
-       /* configuring display */
-       switch ( PLAYER_INI()->video_surface )
-       {
-               case MM_DISPLAY_SURFACE_X:
-               {
-               /* ximagesink or xvimagesink */
-                       void *xid = NULL;
-                       int zoom = 0;
-                       int degree = 0;
-                       int display_method = 0;
-                       int roi_x = 0;
-                       int roi_y = 0;
-                       int roi_w = 0;
-                       int roi_h = 0;
-                       int force_aspect_ratio = 0;
-
-                       gboolean visible = TRUE;
-
-                       /* common case if using multi-surface */
-                       if (player->use_multi_surface)
-                       {
-                               void *evas_image_object = NULL;
-                               if (is_first_v_sink_x)
-                               {
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay", &xid);
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay_ext", &evas_image_object);
-                               }
-                               else
-                               {
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay", &evas_image_object);
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay_ext", &xid);
-                               }
-                               if ( xid )
-                               {
-                                       debug_log("use multi-surface : xid %d", *(int*)xid);
-                                       gst_x_overlay_set_xwindow_id( GST_X_OVERLAY( player->pipeline->videobin[videosink_idx_x].gst ), *(int*)xid );
-                               }
-                               else
-                               {
-                                       debug_error("no xwindow");
-                                       return MM_ERROR_PLAYER_INTERNAL;
-                               }
-                               if (evas_image_object)
-                               {
-                                       g_object_set(player->pipeline->videobin[videosink_idx_evas].gst,
-                                                       "evas-object", evas_image_object,
-                                                       "visible", FALSE,
-                                                       NULL);
-                               }
-                               else
-                               {
-                                       debug_error("no evas object");
-                                       return MM_ERROR_PLAYER_INTERNAL;
-                               }
-                               debug_log("use multi-surface : evas_image_object (%x)", evas_image_object);
-                               debug_log("use multi-surface : evas visible %d", FALSE);
-                       }
-                       /* common case if using x surface */
-                       else
-                       {
-                               mm_attrs_get_data_by_name(attrs, "display_overlay", &xid);
-                               if ( xid )
-                               {
-                                       debug_log("set video param : xid %d", *(int*)xid);
-                                       gst_x_overlay_set_xwindow_id( GST_X_OVERLAY( player->pipeline->videobin[MMPLAYER_V_SINK].gst ), *(int*)xid );
-                               }
-                               else
-                               {
-                                       /* FIXIT : is it error case? */
-                                       debug_warning("still we don't have xid on player attribute. create it's own surface.");
+                               /* custom message */
+                               if (!strcmp (structure_name, "audio_codec_not_supported")) {
+                                       MMMessageParamType msg_param = {0,};
+                                       msg_param.code = MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg_param);
                                }
                        }
+                       break;
 
-                       /* if xvimagesink */
-                       if (!strcmp(PLAYER_INI()->videosink_element_x,"xvimagesink"))
+               case GST_MESSAGE_DURATION:
+               {
+                       debug_log("GST_MESSAGE_DURATION\n");
+                       ret = __mmplayer_gst_handle_duration(player, msg);
+                       if (!ret)
                        {
-                               mm_attrs_get_int_by_name(attrs, "display_force_aspect_ration", &force_aspect_ratio);
-                               mm_attrs_get_int_by_name(attrs, "display_zoom", &zoom);
-                               mm_attrs_get_int_by_name(attrs, "display_rotation", &degree);
-                               mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_x", &roi_x);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_y", &roi_y);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_width", &roi_w);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_height", &roi_h);
-                               mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
+                               debug_warning("failed to update duration");
+                       }
+               }
 
-                               g_object_set(player->pipeline->videobin[videosink_idx_x].gst,
-                                       "force-aspect-ratio", force_aspect_ratio,
-                                       "zoom", zoom,
-                                       "rotate", degree,
-                                       "handle-events", TRUE,
-                                       "display-geometry-method", display_method,
-                                       "draw-borders", FALSE,
-                                       "dst-roi-x", roi_x,
-                                       "dst-roi-y", roi_y,
-                                       "dst-roi-w", roi_w,
-                                       "dst-roi-h", roi_h,
-                                       "visible", visible,
-                                       NULL );
+               break;
 
-                               debug_log("set video param : zoom %d", zoom);
-                               debug_log("set video param : rotate %d", degree);
-                               debug_log("set video param : method %d", display_method);
-                               debug_log("set video param : dst-roi-x: %d, dst-roi-y: %d, dst-roi-w: %d, dst-roi-h: %d",
-                                                               roi_x, roi_y, roi_w, roi_h );
-                               debug_log("set video param : visible %d", visible);
-                               debug_log("set video param : force aspect ratio %d", force_aspect_ratio);
-                       }
+               case GST_MESSAGE_ASYNC_START:
+               {
+                       debug_log("GST_MESSAGE_ASYNC_START : %s\n", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
                }
                break;
-               case MM_DISPLAY_SURFACE_EVAS:
+
+               case GST_MESSAGE_ASYNC_DONE:
                {
-                       void *object = NULL;
-                       int scaling = 0;
-                       gboolean visible = TRUE;
+                       debug_log("GST_MESSAGE_ASYNC_DONE : %s\n", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
 
-                       /* common case if using multi-surface */
-                       if (player->use_multi_surface)
-                       {
-                               void *xid = NULL;
-                               mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
-                               if (is_first_v_sink_x)
-                               {
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay", &xid);
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay_ext", &object);
-                               }
-                               else
-                               {
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay", &object);
-                                       mm_attrs_get_data_by_name(attrs, "display_overlay_ext", &xid);
-                               }
-                               if (object)
-                               {
-                                       g_object_set(player->pipeline->videobin[videosink_idx_evas].gst,
-                                                       "evas-object", object,
-                                                       "visible", visible,
-                                                       NULL);
-                                       debug_log("use multi-surface : evas-object %x", object);
-                                       debug_log("use multi-surface : evas visible %d", object);
-                               }
-                               else
-                               {
-                                       debug_error("no evas object");
-                                       return MM_ERROR_PLAYER_INTERNAL;
-                               }
-                               if (xid)
-                               {
-                                       gst_x_overlay_set_xwindow_id( GST_X_OVERLAY( player->pipeline->videobin[videosink_idx_x].gst ), *(int*)xid );
-                               }
-                               else
-                               {
-                                       debug_error("no xwindow");
-                                       return MM_ERROR_PLAYER_INTERNAL;
-                               }
-                               /* if xvimagesink */
-                               if (!strcmp(PLAYER_INI()->videosink_element_x,"xvimagesink"))
-                               {
-                                       g_object_set(player->pipeline->videobin[videosink_idx_x].gst,
-                                                       "visible", FALSE,
-                                                       NULL );
-                               }
-                               debug_log("use multi-surface : xid %d", *(int*)xid);
-                               debug_log("use multi-surface : x visible %d", FALSE);
-                       }
-                       /* common case if using evas surface */
-                       else
-                       {
-                               mm_attrs_get_data_by_name(attrs, "display_overlay", &object);
-                               mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
-                               mm_attrs_get_int_by_name(attrs, "display_evas_do_scaling", &scaling);
-                               if (object)
-                               {
-                                       g_object_set(player->pipeline->videobin[videosink_idx_evas].gst,
-                                                       "evas-object", object,
-                                                       "visible", visible,
-                                                       NULL);
-                                       debug_log("set video param : evas-object %x", object);
-                                       debug_log("set video param : visible %d", visible);
-                               }
-                               else
-                               {
-                                       debug_error("no evas object");
-                                       return MM_ERROR_PLAYER_INTERNAL;
-                               }
-                       }
+                       /* we only handle messages from pipeline */
+                       if( msg->src != (GstObject *)player->pipeline->mainbin[MMPLAYER_M_PIPE].gst )
+                               break;
 
-                       /* if evasimagesink */
-                       if (!strcmp(PLAYER_INI()->videosink_element_evas,"evasimagesink") && player->is_nv12_tiled)
+                       if( !MMPLAYER_IS_RTSP_STREAMING(player) )
                        {
-                               int width = 0;
-                               int height = 0;
-                               int no_scaling = !scaling;
-
-                               mm_attrs_get_int_by_name(attrs, "display_width", &width);
-                               mm_attrs_get_int_by_name(attrs, "display_height", &height);
-
-                               if (no_scaling)
-                               {
-                                       /* no-scaling order to fimcconvert, original width, height size of media src will be passed to sink plugin */
-                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst,
-                                                       "src-width", 0, /* setting 0, output video width will be media src's width */
-                                                       "src-height", 0, /* setting 0, output video height will be media src's height */
-                                                       NULL);
-                               }
-                               else
+                               if (player->doing_seek)
                                {
-                                       /* scaling order to fimcconvert */
-                                       if (width)
+                                       if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PAUSED)
                                        {
-                                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-width", width, NULL);
+                                               player->doing_seek = FALSE;
+                                               MMPLAYER_POST_MSG ( player, MM_MESSAGE_SEEK_COMPLETED, NULL );
                                        }
-                                       if (height)
+                                       else if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PLAYING)
                                        {
-                                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-height", height, NULL);
-                                       }
-                                       debug_log("set video param : video frame scaling down to width(%d) height(%d)", width, height);
-                               }
-                               debug_log("set video param : display_evas_do_scaling %d", scaling);
-                       }
-
-                       /* if evaspixmapsink */
-                       if (!strcmp(PLAYER_INI()->videosink_element_evas,"evaspixmapsink"))
-                       {
-                               int display_method = 0;
-                               int roi_x = 0;
-                               int roi_y = 0;
-                               int roi_w = 0;
-                               int roi_h = 0;
-                               int force_aspect_ratio = 0;
-                               int origin_size = !scaling;
+                                               if ((MMPLAYER_IS_HTTP_STREAMING(player)) &&
+                                                       (player->streamer) &&
+                                                       (player->streamer->streaming_buffer_type == BUFFER_TYPE_MUXED) &&
+                                                       (player->streamer->is_buffering == FALSE))
+                                               {
+                                                       GstQuery *query = NULL;
+                                                       gboolean busy = FALSE;
+                                                       gint percent = 0;
 
-                               mm_attrs_get_int_by_name(attrs, "display_force_aspect_ration", &force_aspect_ratio);
-                               mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_x", &roi_x);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_y", &roi_y);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_width", &roi_w);
-                               mm_attrs_get_int_by_name(attrs, "display_roi_height", &roi_h);
+                                                       if (player->streamer->buffer_handle[BUFFER_TYPE_MUXED].buffer)
+                                                       {
+                                                               query = gst_query_new_buffering ( GST_FORMAT_PERCENT );
+                                                               if ( gst_element_query (player->streamer->buffer_handle[BUFFER_TYPE_MUXED].buffer, query ) )
+                                                               {
+                                                                       gst_query_parse_buffering_percent ( query, &busy, &percent);
+                                                               }
+                                                               gst_query_unref (query);
+
+                                                               debug_log("buffered percent(%s): %d\n",
+                                                                       GST_ELEMENT_NAME(player->streamer->buffer_handle[BUFFER_TYPE_MUXED].buffer), percent);
+                                                       }
 
-                               g_object_set(player->pipeline->videobin[videosink_idx_evas].gst,
-                                       "force-aspect-ratio", force_aspect_ratio,
-                                       "origin-size", origin_size,
-                                       "dst-roi-x", roi_x,
-                                       "dst-roi-y", roi_y,
-                                       "dst-roi-w", roi_w,
-                                       "dst-roi-h", roi_h,
-                                       "display-geometry-method", display_method,
-                                       NULL );
+                                                       if (percent >= 100)
+                                                       {
+                                                               player->streamer->is_buffering = FALSE;
+                                                               __mmplayer_handle_buffering_message(player);
+                                                       }
+                                               }
 
-                               debug_log("set video param : method %d", display_method);
-                               debug_log("set video param : dst-roi-x: %d, dst-roi-y: %d, dst-roi-w: %d, dst-roi-h: %d",
-                                                               roi_x, roi_y, roi_w, roi_h );
-                               debug_log("set video param : force aspect ratio %d", force_aspect_ratio);
-                               debug_log("set video param : display_evas_do_scaling %d (origin-size %d)", scaling, origin_size);
+                                               async_done = TRUE;
+                                       }
+                               }
                        }
                }
                break;
-               case MM_DISPLAY_SURFACE_NULL:
-               {
-                       /* do nothing */
-               }
+
+               #if 0 /* delete unnecessary logs */
+               case GST_MESSAGE_REQUEST_STATE:         debug_log("GST_MESSAGE_REQUEST_STATE\n"); break;
+               case GST_MESSAGE_STEP_START:            debug_log("GST_MESSAGE_STEP_START\n"); break;
+               case GST_MESSAGE_QOS:                           debug_log("GST_MESSAGE_QOS\n"); break;
+               case GST_MESSAGE_PROGRESS:                      debug_log("GST_MESSAGE_PROGRESS\n"); break;
+               case GST_MESSAGE_ANY:                           debug_log("GST_MESSAGE_ANY\n"); break;
+               case GST_MESSAGE_INFO:                          debug_log("GST_MESSAGE_STATE_DIRTY\n"); break;
+               case GST_MESSAGE_STATE_DIRTY:           debug_log("GST_MESSAGE_STATE_DIRTY\n"); break;
+               case GST_MESSAGE_STEP_DONE:                     debug_log("GST_MESSAGE_STEP_DONE\n"); break;
+               case GST_MESSAGE_CLOCK_PROVIDE:         debug_log("GST_MESSAGE_CLOCK_PROVIDE\n"); break;
+               case GST_MESSAGE_STRUCTURE_CHANGE:      debug_log("GST_MESSAGE_STRUCTURE_CHANGE\n"); break;
+               case GST_MESSAGE_STREAM_STATUS:         debug_log("GST_MESSAGE_STREAM_STATUS\n"); break;
+               case GST_MESSAGE_APPLICATION:           debug_log("GST_MESSAGE_APPLICATION\n"); break;
+               case GST_MESSAGE_SEGMENT_START:         debug_log("GST_MESSAGE_SEGMENT_START\n"); break;
+               case GST_MESSAGE_SEGMENT_DONE:          debug_log("GST_MESSAGE_SEGMENT_DONE\n"); break;
+               case GST_MESSAGE_LATENCY:                               debug_log("GST_MESSAGE_LATENCY\n"); break;
+               #endif
+
+               default:
                break;
        }
 
-       debug_fleave();
+       /* FIXIT : this cause so many warnings/errors from glib/gstreamer. we should not call it since
+        * gst_element_post_message api takes ownership of the message.
+        */
+       //gst_message_unref( msg );
 
-       return MM_ERROR_NONE;
+       return ret;
 }
 
-static int
-__mmplayer_gst_element_link_bucket(GList* element_bucket) // @
+static gboolean
+__mmplayer_gst_handle_duration(mm_player_t* player, GstMessage* msg)
 {
-       GList* bucket = element_bucket;
-       MMPlayerGstElement* element = NULL;
-       MMPlayerGstElement* prv_element = NULL;
-       gint successful_link_count = 0;
+       GstFormat format;
+       gint64 bytes = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail(element_bucket, -1);
+       return_val_if_fail(player, FALSE);
+       return_val_if_fail(msg, FALSE);
 
-       prv_element = (MMPlayerGstElement*)bucket->data;
-       bucket = bucket->next;
+       gst_message_parse_duration (msg, &format, &bytes);
 
-       for ( ; bucket; bucket = bucket->next )
+       if (MMPLAYER_IS_HTTP_STREAMING(player) && format == GST_FORMAT_BYTES )
        {
-               element = (MMPlayerGstElement*)bucket->data;
-
-               if ( element && element->gst )
-               {
-                       if ( GST_ELEMENT_LINK(GST_ELEMENT(prv_element->gst), GST_ELEMENT(element->gst)) )
-                       {
-                               debug_log("linking [%s] to [%s] success\n",
-                                       GST_ELEMENT_NAME(GST_ELEMENT(prv_element->gst)),
-                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)) );
-                               successful_link_count ++;
-                       }
-                       else
-                       {
-                               debug_log("linking [%s] to [%s] failed\n",
-                                       GST_ELEMENT_NAME(GST_ELEMENT(prv_element->gst)),
-                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)) );
-                               return -1;
-                       }
-
-               }
-
-               prv_element = element;
+               debug_log("data total size of http content: %lld", bytes);
+               player->http_content_size = bytes;
+       }
+       else if (format == GST_FORMAT_TIME)
+       {
+               /* handling audio clip which has vbr. means duration is keep changing */
+               _mmplayer_update_content_attrs (player, ATTR_DURATION );
+       }
+       else
+       {
+               debug_warning("duration is neither BYTES or TIME");
+               return FALSE;
        }
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return successful_link_count;
+       return TRUE;
 }
 
-static int
-__mmplayer_gst_element_add_bucket_to_bin(GstBin* bin, GList* element_bucket) // @
-{
-       GList* bucket = element_bucket;
-       MMPlayerGstElement* element = NULL;
-       int successful_add_count = 0;
-
-       debug_fenter();
-
-       return_val_if_fail(element_bucket, 0);
-       return_val_if_fail(bin, 0);
 
-       for ( ; bucket; bucket = bucket->next )
-       {
-               element = (MMPlayerGstElement*)bucket->data;
-
-               if ( element && element->gst )
-               {
-                       if( !gst_bin_add(bin, GST_ELEMENT(element->gst)) )
-                       {
-                               debug_log("__mmplayer_gst_element_link_bucket : Adding element [%s]  to bin [%s] failed\n",
-                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)),
-                                       GST_ELEMENT_NAME(GST_ELEMENT(bin) ) );
-                               return 0;
-                       }
-                       successful_add_count ++;
-               }
-       }
+static gboolean
+__mmplayer_gst_extract_tag_from_msg(mm_player_t* player, GstMessage* msg) // @
+{
 
-       debug_fleave();
+/* macro for better code readability */
+#define MMPLAYER_UPDATE_TAG_STRING(gsttag, attribute, playertag) \
+if (gst_tag_list_get_string(tag_list, gsttag, &string)) \
+{\
+       if (string != NULL)\
+       {\
+               secure_debug_log ( "update tag string : %s\n", string); \
+               mm_attrs_set_string_by_name(attribute, playertag, string); \
+               g_free(string);\
+               string = NULL;\
+       }\
+}
 
-       return successful_add_count;
+#define MMPLAYER_UPDATE_TAG_IMAGE(gsttag, attribute, playertag) \
+value = gst_tag_list_get_value_index(tag_list, gsttag, index); \
+if (value) \
+{\
+       buffer = gst_value_get_buffer (value); \
+       secure_debug_log ( "update album cover data : %p, size : %d\n", GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer)); \
+       MMPLAYER_FREEIF(player->album_art); \
+       player->album_art = (gchar *)g_malloc(GST_BUFFER_SIZE(buffer)); \
+       if (player->album_art) \
+       { \
+               memcpy(player->album_art, GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer)); \
+               mm_attrs_set_data_by_name(attribute, playertag, (void *)player->album_art, GST_BUFFER_SIZE(buffer)); \
+               if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player)) \
+               { \
+                       msg_param.data = (void *)player->album_art; \
+                       msg_param.size = GST_BUFFER_SIZE(buffer); \
+                       MMPLAYER_POST_MSG (player, MM_MESSAGE_IMAGE_BUFFER, &msg_param); \
+                       secure_debug_log ( "post message image buffer data : %p, size : %d\n", GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer)); \
+               } \
+       } \
 }
 
+#define MMPLAYER_UPDATE_TAG_UINT(gsttag, attribute, playertag) \
+if (gst_tag_list_get_uint(tag_list, gsttag, &v_uint))\
+{\
+       if(v_uint)\
+       {\
+               if (!strncmp(gsttag, GST_TAG_BITRATE, strlen(GST_TAG_BITRATE))) \
+               {\
+                       if (player->updated_bitrate_count == 0) \
+                               mm_attrs_set_int_by_name(attribute, "content_audio_bitrate", v_uint); \
+                       if (player->updated_bitrate_count<MM_PLAYER_STREAM_COUNT_MAX) \
+                       {\
+                               player->bitrate[player->updated_bitrate_count] = v_uint;\
+                               player->total_bitrate += player->bitrate[player->updated_maximum_bitrate_count]; \
+                               player->updated_bitrate_count++; \
+                               mm_attrs_set_int_by_name(attribute, playertag, player->total_bitrate);\
+                               secure_debug_log ( "update bitrate %d[bps] of stream #%d.\n", v_uint, player->updated_bitrate_count);\
+                       }\
+               }\
+               else if (!strncmp(gsttag, GST_TAG_MAXIMUM_BITRATE, strlen(GST_TAG_MAXIMUM_BITRATE))) \
+               {\
+                       if (player->updated_maximum_bitrate_count<MM_PLAYER_STREAM_COUNT_MAX) \
+                       {\
+                               player->maximum_bitrate[player->updated_maximum_bitrate_count] = v_uint;\
+                               player->total_maximum_bitrate += player->maximum_bitrate[player->updated_maximum_bitrate_count]; \
+                               player->updated_maximum_bitrate_count++; \
+                               mm_attrs_set_int_by_name(attribute, playertag, player->total_maximum_bitrate); \
+                               secure_debug_log ( "update maximum bitrate %d[bps] of stream #%d\n", v_uint, player->updated_maximum_bitrate_count);\
+                       }\
+               }\
+               else\
+               {\
+                       mm_attrs_set_int_by_name(attribute, playertag, v_uint); \
+               }\
+               v_uint = 0;\
+       }\
+}
 
+#define MMPLAYER_UPDATE_TAG_DATE(gsttag, attribute, playertag) \
+if (gst_tag_list_get_date(tag_list, gsttag, &date))\
+{\
+       if (date != NULL)\
+       {\
+               string = g_strdup_printf("%d", g_date_get_year(date));\
+               mm_attrs_set_string_by_name(attribute, playertag, string);\
+               secure_debug_log ( "metainfo year : %s\n", string);\
+               MMPLAYER_FREEIF(string);\
+               g_date_free(date);\
+       }\
+}
 
-/**
- * This function is to create audio pipeline for playing.
- *
- * @param      player          [in]    handle of player
- *
- * @return     This function returns zero on success.
- * @remark
- * @see                __mmplayer_gst_create_midi_pipeline, __mmplayer_gst_create_video_pipeline
- */
-#define MMPLAYER_CREATEONLY_ELEMENT(x_bin, x_id, x_factory, x_name) \
-x_bin[x_id].id = x_id;\
-x_bin[x_id].gst = gst_element_factory_make(x_factory, x_name);\
-if ( ! x_bin[x_id].gst )\
+#define MMPLAYER_UPDATE_TAG_UINT64(gsttag, attribute, playertag) \
+if(gst_tag_list_get_uint64(tag_list, gsttag, &v_uint64))\
 {\
-       debug_critical("failed to create %s \n", x_factory);\
-       goto ERROR;\
-}\
+       if(v_uint64)\
+       {\
+               /* FIXIT : don't know how to store date */\
+               g_assert(1);\
+               v_uint64 = 0;\
+       }\
+}
 
-/* macro for code readability. just for sinkbin-creation functions */
-#define MMPLAYER_CREATE_ELEMENT(x_bin, x_id, x_factory, x_name, x_add_bucket) \
-do \
-{ \
-       x_bin[x_id].id = x_id;\
-       x_bin[x_id].gst = gst_element_factory_make(x_factory, x_name);\
-       if ( ! x_bin[x_id].gst )\
+#define MMPLAYER_UPDATE_TAG_DOUBLE(gsttag, attribute, playertag) \
+if(gst_tag_list_get_double(tag_list, gsttag, &v_double))\
+{\
+       if(v_double)\
        {\
-               debug_critical("failed to create %s \n", x_factory);\
-               goto ERROR;\
+               /* FIXIT : don't know how to store date */\
+               g_assert(1);\
+               v_double = 0;\
        }\
-       if ( x_add_bucket )\
-               element_bucket = g_list_append(element_bucket, &x_bin[x_id]);\
-} while(0);
+}
 
+       /* function start */
+       GstTagList* tag_list = NULL;
 
-/**
-  * AUDIO PIPELINE 
-  * - Local playback   : audioconvert !volume ! capsfilter ! dnse ! audiosink
-  * - Streaming                : audioconvert !volume ! audiosink
-  * - PCM extraction   : audioconvert ! audioresample ! capsfilter ! fakesink 
-  */
-static int
-__mmplayer_gst_create_audio_pipeline(mm_player_t* player)
-{
-       MMPlayerGstElement* first_element = NULL;
-       MMPlayerGstElement* audiobin = NULL;
        MMHandleType attrs = 0;
-       GstPad *pad = NULL;
-       GstPad *ghostpad = NULL;
-       GList* element_bucket = NULL;
-       char *device_name = NULL;
-       gboolean link_audio_sink_now = TRUE;
-       int i =0;
 
-       debug_fenter();
+       char *string = NULL;
+       guint v_uint = 0;
+       GDate *date = NULL;
+       /* album cover */
+       GstBuffer *buffer = NULL;
+       gint index = 0;
+       const GValue *value;
+       MMMessageParamType msg_param = {0, };
 
-       return_val_if_fail( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       /* currently not used. but those are needed for above macro */
+       //guint64 v_uint64 = 0;
+       //gdouble v_double = 0;
 
-       /* alloc handles */
-       audiobin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_A_NUM);
-       audiobin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_A_NUM);
-       if ( ! audiobin )
-       {
-               debug_error("failed to allocate memory for audiobin\n");
-               return MM_ERROR_PLAYER_NO_FREE_SPACE;
-       }
+       return_val_if_fail( player && msg, FALSE );
 
        attrs = MMPLAYER_GET_ATTRS(player);
 
-       /* create bin */
-       audiobin[MMPLAYER_A_BIN].id = MMPLAYER_A_BIN;
-       audiobin[MMPLAYER_A_BIN].gst = gst_bin_new("audiobin");
-       if ( !audiobin[MMPLAYER_A_BIN].gst )
-       {
-               debug_critical("failed to create audiobin\n");
-               goto ERROR;
-       }
-
-       /* take it */
-       player->pipeline->audiobin = audiobin;
-
-       player->is_sound_extraction = __mmplayer_can_extract_pcm(player);
-
-       /* Adding audiotp plugin for reverse trickplay feature */
-       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_TP, "audiotp", "audiotrickplay", TRUE);
+       return_val_if_fail( attrs, FALSE );
 
-       /* converter */
-       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CONV, "audioconvert", "audioconverter", TRUE);
+       /* get tag list from gst message */
+       gst_message_parse_tag(msg, &tag_list);
 
-       if ( ! player->is_sound_extraction )
-       {
-               /* for logical volume control */
-               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_VOL, "volume", "volume", TRUE);
-               g_object_set(G_OBJECT (audiobin[MMPLAYER_A_VOL].gst), "volume", player->sound.volume, NULL);
+       /* store tags to player attributes */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_TITLE, attrs, "tag_title");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_TITLE_SORTNAME, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ARTIST, attrs, "tag_artist");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ARTIST_SORTNAME, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ALBUM, attrs, "tag_album");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ALBUM_SORTNAME, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COMPOSER, attrs, "tag_author");
+       MMPLAYER_UPDATE_TAG_DATE(GST_TAG_DATE, attrs, "tag_date");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_GENRE, attrs, "tag_genre");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COMMENT, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_EXTENDED_COMMENT, ?, ?); */
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_TRACK_NUMBER, attrs, "tag_track_num");
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_TRACK_COUNT, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ALBUM_VOLUME_NUMBER, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ALBUM_VOLUME_COUNT, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LOCATION, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_DESCRIPTION, attrs, "tag_description");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_VERSION, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ISRC, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ORGANIZATION, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COPYRIGHT, attrs, "tag_copyright");
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COPYRIGHT_URI, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_CONTACT, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LICENSE, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LICENSE_URI, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_PERFORMER, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT64(GST_TAG_DURATION, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_CODEC, ?, ?); */
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_VIDEO_CODEC, attrs, "content_video_codec");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_AUDIO_CODEC, attrs, "content_audio_codec");
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_BITRATE, attrs, "content_bitrate");
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_MAXIMUM_BITRATE, attrs, "content_max_bitrate");
+       MMPLAYER_UPDATE_TAG_IMAGE(GST_TAG_IMAGE, attrs, "tag_album_cover");
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_NOMINAL_BITRATE, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_MINIMUM_BITRATE, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_SERIAL, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ENCODER, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_UINT(GST_TAG_ENCODER_VERSION, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_TRACK_GAIN, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_TRACK_PEAK, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_ALBUM_GAIN, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_ALBUM_PEAK, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_REFERENCE_LEVEL, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_STRING(GST_TAG_LANGUAGE_CODE, ?, ?); */
+       /* MMPLAYER_UPDATE_TAG_DOUBLE(GST_TAG_BEATS_PER_MINUTE, ?, ?); */
 
-               if (player->sound.mute)
-               {
-                       debug_log("mute enabled\n");
-                       g_object_set(G_OBJECT (audiobin[MMPLAYER_A_VOL].gst), "mute", player->sound.mute, NULL);
-               }
+       if ( mmf_attrs_commit ( attrs ) )
+               debug_error("failed to commit.\n");
 
-               /* NOTE : streaming doesn't need capsfilter and sound effect*/
-               if ( ! MMPLAYER_IS_RTSP_STREAMING( player ) )
-               {
-                       GstCaps* caps = NULL;
+       gst_tag_list_free(tag_list);
 
-                       /*capsfilter */
-                       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CAPS_DEFAULT, "capsfilter", "audiocapsfilter", TRUE);
+       return TRUE;
+}
 
-                       caps = gst_caps_from_string(            "audio/x-raw-int, "
-                                                                                       "endianness = (int) LITTLE_ENDIAN, "
-                                                                                       "signed = (boolean) true, "
-                                                                                       "width = (int) 16, "                                                                            
-                                                                                       "depth = (int) 16"      );
+static void
+__mmplayer_gst_rtp_no_more_pads (GstElement *element,  gpointer data)  // @
+{
+       mm_player_t* player = (mm_player_t*) data;
 
-                       g_object_set (GST_ELEMENT(audiobin[MMPLAYER_A_CAPS_DEFAULT].gst), "caps", caps, NULL );
+       MMPLAYER_FENTER();
 
-                       gst_caps_unref( caps );
+       /* NOTE : we can remove fakesink here if there's no rtp_dynamic_pad. because whenever
+         * we connect autoplugging element to the pad which is just added to rtspsrc, we increase
+         * num_dynamic_pad. and this is no-more-pad situation which means mo more pad will be added.
+         * So we can say this. if num_dynamic_pad is zero, it must be one of followings
 
-                       /* audio filter. if enabled */
-                       if ( PLAYER_INI()->use_audio_filter_preset || PLAYER_INI()->use_audio_filter_custom )
-                       {
-                               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_FILTER, "soundalive", "audiofilter", TRUE);
-                       }
-               }
-               /* create audio sink */
-               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_SINK, PLAYER_INI()->name_of_audiosink,
-                       "audiosink", link_audio_sink_now);
-
-               /* sync on */
-               if (MMPLAYER_IS_RTSP_STREAMING (player) )
-                       g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "sync", FALSE, NULL);   /* sync off */
-               else
-                       g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "sync", TRUE, NULL);    /* sync on */
-
-               /* qos on */
-               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "qos", TRUE, NULL);     /* qos on */
-
-               /* FIXIT : using system clock. isn't there another way? */
-               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "provide-clock", PLAYER_INI()->provide_clock,  NULL);
-
-               __mmplayer_add_sink( player, audiobin[MMPLAYER_A_SINK].gst );
-
-               if(player->audio_buffer_cb)
-               {
-                   g_object_set(audiobin[MMPLAYER_A_SINK].gst, "audio-handle", player->audio_buffer_cb_user_param, NULL);
-                   g_object_set(audiobin[MMPLAYER_A_SINK].gst, "audio-callback", player->audio_buffer_cb, NULL);
-               }
+         * [1] audio and video will be dumped with filesink.
+         * [2] autoplugging is done by just using pad caps.
+         * [3] typefinding has happend in audio but audiosink is created already before no-more-pad signal
+         * and the video will be dumped via filesink.
+         */
+       if ( player->num_dynamic_pad == 0 )
+       {
+               debug_log("it seems pad caps is directely used for autoplugging. removing fakesink now\n");
 
-               if ( g_strrstr(PLAYER_INI()->name_of_audiosink, "avsysaudiosink") )
+               if ( ! __mmplayer_gst_remove_fakesink( player,
+                       &player->pipeline->mainbin[MMPLAYER_M_SRC_FAKESINK]) )
                {
-                       gint volume_type = 0;
-                       gint audio_route = 0;
-                       gint sound_priority = FALSE;
-                       gint is_spk_out_only = 0;
-
-                       /* set volume table
-                        * It should be set after player creation through attribute.
-                        * But, it can not be changed during playing.
+                       /* NOTE : __mmplayer_pipeline_complete() can be called several time. because
+                        * signaling mechanism ( pad-added, no-more-pad, new-decoded-pad ) from various
+                        * source element are not same. To overcome this situation, this function will called
+                        * several places and several times. Therefore, this is not an error case.
                         */
-                       mm_attrs_get_int_by_name(attrs, "sound_volume_type", &volume_type);                     
-                       mm_attrs_get_int_by_name(attrs, "sound_route", &audio_route);
-                       mm_attrs_get_int_by_name(attrs, "sound_priority", &sound_priority);
-                       mm_attrs_get_int_by_name(attrs, "sound_spk_out_only", &is_spk_out_only);
-
-                       g_object_set(audiobin[MMPLAYER_A_SINK].gst,
-                                                               "volumetype", volume_type,
-                                                               "audio-route", audio_route,
-                                                               "priority", sound_priority,
-                                                               "user-route", is_spk_out_only,
-                                                               NULL);
-
-                       debug_log("audiosink property status...volume type:%d, route:%d, priority=%d, user-route=%d\n",
-                               volume_type, audio_route, sound_priority, is_spk_out_only);
+                       return;
                }
-
-               /* Antishock can be enabled when player is resumed by soundCM.
-                * But, it's not used in MMS, setting and etc.
-                * Because, player start seems like late.
-                */
-               __mmplayer_set_antishock( player , FALSE );
        }
-       else // pcm extraction only and no sound output 
-       {
-               int dst_samplerate = 0;
-               int dst_channels = 0;
-               int dst_depth = 0;
-               char *caps_type = NULL;
-               GstCaps* caps = NULL;
-
-               /* resampler */
-               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_RESAMPLER, "audioresample", "resampler", TRUE);
-
-               /* get conf. values */
-               mm_attrs_multiple_get(player->attrs, 
-                                               NULL,
-                                               "pcm_extraction_samplerate", &dst_samplerate,
-                                               "pcm_extraction_channels", &dst_channels,
-                                               "pcm_extraction_depth", &dst_depth,
-                                               NULL);
-               /* capsfilter */
-               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CAPS_DEFAULT, "capsfilter", "audiocapsfilter", TRUE);
 
-               caps = gst_caps_new_simple ("audio/x-raw-int",
-                                              "rate", G_TYPE_INT, dst_samplerate,
-                                              "channels", G_TYPE_INT, dst_channels,
-                                              "depth", G_TYPE_INT, dst_depth,
-                                               NULL);
+       /* create dot before error-return. for debugging */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-no-more-pad" );
 
-               caps_type = gst_caps_to_string(caps);
-               debug_log("resampler new caps : %s\n", caps_type);
+       player->no_more_pad = TRUE;
 
-                       g_object_set (GST_ELEMENT(audiobin[MMPLAYER_A_CAPS_DEFAULT].gst), "caps", caps, NULL );
+       MMPLAYER_FLEAVE();
+}
 
-                       /* clean */
-                       gst_caps_unref( caps );
-                       MMPLAYER_FREEIF( caps_type );
+static gboolean
+__mmplayer_gst_remove_fakesink(mm_player_t* player, MMPlayerGstElement* fakesink) // @
+{
+       GstElement* parent = NULL;
 
-               /* fake sink */
-               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_SINK, "fakesink", "fakesink", TRUE);
+       return_val_if_fail(player && player->pipeline, FALSE);
 
-               /* set sync */
-               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "sync", FALSE, NULL);
+       /* if we have no fakesink. this meas we are using decodebin2 which doesn'
+       t need to add extra fakesink */
+       return_val_if_fail(fakesink, TRUE);
 
-               __mmplayer_add_sink( player, audiobin[MMPLAYER_A_SINK].gst );
-       }
+       /* lock */
+       g_mutex_lock( player->fsink_lock );
 
-       /* adding created elements to bin */
-       debug_log("adding created elements to bin\n");
-       if( !__mmplayer_gst_element_add_bucket_to_bin( GST_BIN(audiobin[MMPLAYER_A_BIN].gst), element_bucket ))
+       if ( ! fakesink->gst )
        {
-               debug_error("failed to add elements\n");
                goto ERROR;
        }
 
-       /* linking elements in the bucket by added order. */
-       debug_log("Linking elements in the bucket by added order.\n");
-       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+       /* get parent of fakesink */
+       parent = (GstElement*)gst_object_get_parent( (GstObject*)fakesink->gst );
+       if ( ! parent )
        {
-               debug_error("failed to link elements\n");
+               debug_log("fakesink already removed\n");
                goto ERROR;
        }
 
-       /* get first element's sinkpad for creating ghostpad */
-       first_element = (MMPlayerGstElement *)element_bucket->data;
+       gst_element_set_locked_state( fakesink->gst, TRUE );
 
-       pad = gst_element_get_static_pad(GST_ELEMENT(first_element->gst), "sink");
-       if ( ! pad )
+       /* setting the state to NULL never returns async
+        * so no need to wait for completion of state transiton
+        */
+       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (fakesink->gst, GST_STATE_NULL) )
        {
-               debug_error("failed to get pad from first element of audiobin\n");
-               goto ERROR;
-       }
+               debug_error("fakesink state change failure!\n");
 
-       ghostpad = gst_ghost_pad_new("sink", pad);
-       if ( ! ghostpad )
-       {
-               debug_error("failed to create ghostpad\n");
-               goto ERROR;
+               /* FIXIT : should I return here? or try to proceed to next? */
+               /* return FALSE; */
        }
 
-       if ( FALSE == gst_element_add_pad(audiobin[MMPLAYER_A_BIN].gst, ghostpad) )
+       /* remove fakesink from it's parent */
+       if ( ! gst_bin_remove( GST_BIN( parent ), fakesink->gst ) )
        {
-               debug_error("failed to add ghostpad to audiobin\n");
-               goto ERROR;
-       }
+               debug_error("failed to remove fakesink\n");
 
-       gst_object_unref(pad);
+               gst_object_unref( parent );
 
-       if ( !player->bypass_sound_effect && (PLAYER_INI()->use_audio_filter_preset || PLAYER_INI()->use_audio_filter_custom) )
-       {
-               if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_PRESET )
-               {
-                       if (!_mmplayer_sound_filter_preset_apply(player, player->audio_filter_info.preset))
-                       {
-                               debug_msg("apply sound effect(preset:%d) setting success\n",player->audio_filter_info.preset);
-                       }
-               }
-               else if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_CUSTOM )
-               {
-                       if (!_mmplayer_sound_filter_custom_apply(player))
-                       {
-                               debug_msg("apply sound effect(custom) setting success\n");
-                       }
-               }
+               goto ERROR;
        }
 
-       /* done. free allocated variables */
-       MMPLAYER_FREEIF( device_name );
-       g_list_free(element_bucket);
+       gst_object_unref( parent );
 
-       mm_attrs_set_int_by_name(attrs, "content_audio_found", TRUE);
-       if ( mmf_attrs_commit ( attrs ) ) /* return -1 if error */
-               debug_error("failed to commit attribute ""content_audio_found"".\n");
+       debug_log("state-holder removed\n");
 
-       debug_fleave();
+       gst_element_set_locked_state( fakesink->gst, FALSE );
 
-       return MM_ERROR_NONE;
+       g_mutex_unlock( player->fsink_lock );
+       return TRUE;
 
 ERROR:
+       if ( fakesink->gst )
+       {
+               gst_element_set_locked_state( fakesink->gst, FALSE );
+       }
 
-       debug_log("ERROR : releasing audiobin\n");
+       g_mutex_unlock( player->fsink_lock );
+       return FALSE;
+}
 
-       MMPLAYER_FREEIF( device_name );
 
-       if ( pad )
-               gst_object_unref(GST_OBJECT(pad));
+static void
+__mmplayer_gst_rtp_dynamic_pad (GstElement *element, GstPad *pad, gpointer data) // @
+{
+       GstPad *sinkpad = NULL;
+       GstCaps* caps = NULL;
+       GstElement* new_element = NULL;
+       GstStructure* str = NULL;
+       const gchar* name = NULL;
 
-       if ( ghostpad )
-               gst_object_unref(GST_OBJECT(ghostpad));
+       mm_player_t* player = (mm_player_t*) data;
 
-       g_list_free( element_bucket );
+       MMPLAYER_FENTER();
 
+       return_if_fail( element && pad );
+       return_if_fail( player &&
+                                       player->pipeline &&
+                                       player->pipeline->mainbin );
 
-       /* release element which are not added to bin */
-       for ( i = 1; i < MMPLAYER_A_NUM; i++ )  /* NOTE : skip bin */
-       {
-               if ( audiobin[i].gst )
-               {
-                       GstObject* parent = NULL;
-                       parent = gst_element_get_parent( audiobin[i].gst );
 
-                       if ( !parent )
-                       {
-                               gst_object_unref(GST_OBJECT(audiobin[i].gst));
-                               audiobin[i].gst = NULL;
-                       }
-                       else
-                       {
-                               gst_object_unref(GST_OBJECT(parent));
-                       }
-               }
-       }
+       /* payload type is recognizable. increase num_dynamic and wait for sinkbin creation.
+        * num_dynamic_pad will decreased after creating a sinkbin.
+        */
+       player->num_dynamic_pad++;
+       debug_log("stream count inc : %d\n", player->num_dynamic_pad);
 
-       /* release audiobin with it's childs */
-       if ( audiobin[MMPLAYER_A_BIN].gst )
+       /* perform autoplugging if dump is disabled */
+       if ( player->ini.rtsp_do_typefinding )
        {
-               gst_object_unref(GST_OBJECT(audiobin[MMPLAYER_A_BIN].gst));
-       }
+               /* create typefind */
+               new_element = gst_element_factory_make( "typefind", NULL );
+               if ( ! new_element )
+               {
+                       debug_error("failed to create typefind\n");
+                       goto ERROR;
+               }
 
-       MMPLAYER_FREEIF( audiobin );
+               MMPLAYER_SIGNAL_CONNECT(        player,
+                                                                       G_OBJECT(new_element),
+                                                                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG,
+                                                                       "have-type",
+                                                                       G_CALLBACK(__mmplayer_typefind_have_type),
+                                                                       (gpointer)player);
 
-       player->pipeline->audiobin = NULL;
+               /* FIXIT : try to remove it */
+               player->have_dynamic_pad = FALSE;
+       }
+       else  /* NOTE : use pad's caps directely. if enabled. what I am assuming is there's no elemnt has dynamic pad */
+       {
+               debug_log("using pad caps to autopluging instead of doing typefind\n");
 
-       return MM_ERROR_PLAYER_INTERNAL;
-}
+               caps = gst_pad_get_caps( pad );
 
-static gboolean
-__mmplayer_audio_stream_probe (GstPad *pad, GstBuffer *buffer, gpointer u_data)
-{
-       mm_player_t* player = (mm_player_t*) u_data;
-       gint size;
-       guint8 *data;
+               MMPLAYER_CHECK_NULL( caps );
 
-       data = GST_BUFFER_DATA(buffer);
-       size = GST_BUFFER_SIZE(buffer);
+               /* clear  previous result*/
+               player->have_dynamic_pad = FALSE;
 
-       if (player->audio_stream_cb && size && data)
-               player->audio_stream_cb((void *)data, size, player->audio_stream_cb_user_param);
+               str = gst_caps_get_structure(caps, 0);
 
-       return TRUE;
-}
+               if ( ! str )
+               {
+                       debug_error ("cannot get structure from capse.\n");
+                       goto ERROR;
+               }
 
-gboolean
-__mmplayer_ahs_appsrc_probe (GstPad *pad, GstBuffer *buffer, gpointer u_data)
-{      
-       mm_player_t* player = (mm_player_t*) u_data;
+               name = gst_structure_get_name (str);
+               if ( ! name )
+               {
+                       debug_error ("cannot get mimetype from structure.\n");
+                       goto ERROR;
+               }
 
-       //g_print ("appsrc buf : timestamp = %"GST_TIME_FORMAT", duration = %"GST_TIME_FORMAT"\n", 
-       //      GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)), GST_TIME_ARGS (GST_BUFFER_DURATION(buffer)));
+               if (strstr(name, "video"))
+               {
+                       gint stype = 0;
+                       mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &stype);
 
-       if (ahs_check_allow_cache (player->ahs_player))
-       {
-               ahs_store_media_presentation (player->ahs_player, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
-       }
-       return TRUE;
-}
+                       if (stype == MM_DISPLAY_SURFACE_NULL)
+                       {
+                               if (player->v_stream_caps)
+                               {
+                                       gst_caps_unref(player->v_stream_caps);
+                                       player->v_stream_caps = NULL;
+                               }
 
-/**
- * This function is to create video pipeline.
- *
- * @param      player          [in]    handle of player
- *             caps            [in]    src caps of decoder
- *
- * @return     This function returns zero on success.
- * @remark
- * @see                __mmplayer_gst_create_audio_pipeline, __mmplayer_gst_create_midi_pipeline
- */
-/**
-  * VIDEO PIPELINE
-  * - x surface (arm/x86) : xvimagesink
-  * - evas surface  (arm) : evaspixmapsink
-  *                         fimcconvert ! evasimagesink
-  * - evas surface  (x86) : videoconvertor ! evasimagesink
-  * - multi-surface (arm) : tee name=tee ! xvimagesink tee. ! evaspixmapsink
-  */
-static int
-__mmplayer_gst_create_video_pipeline(mm_player_t* player, GstCaps* caps)
-{
-       GstPad *pad = NULL;
-       MMHandleType attrs;
-       GList*element_bucket = NULL;
-       MMPlayerGstElement* first_element = NULL;
-       MMPlayerGstElement* videobin = NULL;
-       gchar* vconv_factory = NULL;
-       char *err_name = NULL;
-       gboolean use_multi_surface = FALSE;
-       char *videosink_element = NULL;
-       char *videosink_element_ext = NULL;
+                               new_element = gst_element_factory_make("fakesink", NULL);
+                               player->num_dynamic_pad--;
+                               goto NEW_ELEMENT;
+                       }
+               }
 
-       debug_fenter();
+               /* clear  previous result*/
+               player->have_dynamic_pad = FALSE;
 
-       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+               if ( ! __mmplayer_try_to_plug( player, pad, caps ) )
+               {
+                       debug_error("failed to autoplug for caps");
+                       goto ERROR;
+               }
 
-       /* alloc handles */
-       videobin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_V_NUM);
-       if ( !videobin )
-               return MM_ERROR_PLAYER_NO_FREE_SPACE;
+               /* check if there's dynamic pad*/
+               if( player->have_dynamic_pad )
+               {
+                       debug_error("using pad caps assums there's no dynamic pad !\n");
+                       debug_error("try with enalbing rtsp_do_typefinding\n");
+                       goto ERROR;
+               }
 
-       player->pipeline->videobin = videobin;
+               gst_caps_unref( caps );
+               caps = NULL;
+       }
 
-       attrs = MMPLAYER_GET_ATTRS(player);
+       NEW_ELEMENT:
 
-       /* create bin */
-       videobin[MMPLAYER_V_BIN].id = MMPLAYER_V_BIN;
-       videobin[MMPLAYER_V_BIN].gst = gst_bin_new("videobin");
-       if ( !videobin[MMPLAYER_V_BIN].gst )
+       /* excute new_element if created*/
+       if ( new_element )
        {
-               debug_critical("failed to create audiobin\n");
-               goto ERROR;
-       }
-
-       mm_player_get_attribute(player, &err_name, "display_surface_use_multi", &use_multi_surface, NULL);
-       player->use_multi_surface = use_multi_surface;
-
-       if( player->use_video_stream ) // video stream callack, so send raw video data to application
-       {
-               GstStructure *str = NULL;
-               guint32 fourcc = 0;
-               gint ret = 0;
+               debug_log("adding new element to pipeline\n");
 
-               debug_log("using memsink\n");
+               /* set state to READY before add to bin */
+               MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_READY );
 
-               /* first, create colorspace convert */
-               if (player->is_nv12_tiled)
-               {
-                       vconv_factory = "fimcconvert";
-               }
-               else // get video converter from player ini file
+               /* add new element to the pipeline */
+               if ( FALSE == gst_bin_add( GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), new_element)  )
                {
-                       if (strlen(PLAYER_INI()->name_of_video_converter) > 0)
-                       {
-                               vconv_factory = PLAYER_INI()->name_of_video_converter;
-                       }
+                       debug_error("failed to add autoplug element to bin\n");
+                       goto ERROR;
                }
 
-               if (vconv_factory)
+               /* get pad from element */
+               sinkpad = gst_element_get_static_pad ( GST_ELEMENT(new_element), "sink" );
+               if ( !sinkpad )
                {
-                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_CONV, vconv_factory, "video converter", TRUE);
+                       debug_error("failed to get sinkpad from autoplug element\n");
+                       goto ERROR;
                }
-               
-               /* then, create video scale to resize if needed */
-               str = gst_caps_get_structure (caps, 0);
 
-               if ( ! str )
+               /* link it */
+               if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
                {
-                       debug_error("cannot get structure\n");
+                       debug_error("failed to link autoplug element\n");
                        goto ERROR;
                }
 
-               MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+               gst_object_unref (sinkpad);
+               sinkpad = NULL;
 
-               ret = gst_structure_get_fourcc (str, "format", &fourcc);
+               /* run. setting PLAYING here since streamming source is live source */
+               MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_PLAYING );
+       }
 
-               if ( !ret )
-                       debug_log("not fixed format at this point, and not consider this case\n")
+       MMPLAYER_FLEAVE();
 
-               /* NOTE :  if the width of I420 format is not multiple of 8, it should be resize before colorspace conversion.
-                 * so, video scale is required for this case only.
-                 */
-               if ( GST_MAKE_FOURCC ('I', '4', '2', '0') == fourcc )
-               {
-                       gint width = 0;                         //width of video
-                       gint height = 0;                        //height of video
-                       gint framerate_n = 0;           //numerator of frame rate
-                       gint framerate_d = 0;           //denominator of frame rate
-                       GstCaps* video_caps = NULL;
-                       GValue *fps = NULL;
+       return;
 
-                       /* video scale  */
-                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SCALE, "videoscale", "videoscale", TRUE);
+STATE_CHANGE_FAILED:
+ERROR:
+       /* FIXIT : take care if new_element has already added to pipeline */
+       if ( new_element )
+               gst_object_unref(GST_OBJECT(new_element));
 
-                       /*to limit width as multiple of 8 */
-                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_CAPS, "capsfilter", "videocapsfilter", TRUE);
+       if ( sinkpad )
+               gst_object_unref(GST_OBJECT(sinkpad));
 
-                       /* get video stream caps parsed by demuxer */
-                       str = gst_caps_get_structure (player->v_stream_caps, 0);
-                       if ( ! str )
-                       {
-                               debug_error("cannot get structure\n");
-                               goto ERROR;
-                       }
+       if ( caps )
+               gst_object_unref(GST_OBJECT(caps));
 
-                       /* check the width if it's a multiple of 8 or not */
-                       ret = gst_structure_get_int (str, "width", &width);
-                       if ( ! ret )
-                       {
-                               debug_error("cannot get width\n");
-                               goto ERROR;
-                       }
-                       width = GST_ROUND_UP_8(width);
+       /* FIXIT : how to inform this error to MSL ????? */
+       /* FIXIT : I think we'd better to use g_idle_add() to destroy pipeline and
+        * then post an error to application
+        */
+}
 
-                       ret = gst_structure_get_int(str, "height", &height);
-                       if ( ! ret )
-                       {
-                               debug_error("cannot get height\n");
-                               goto ERROR;
-                       }
 
-                       fps = gst_structure_get_value (str, "framerate");
-                       if ( ! fps )
-                       {
-                               debug_error("cannot get fps\n");
-                               goto ERROR;
-                       }
-                       framerate_n = gst_value_get_fraction_numerator (fps);
-                       framerate_d = gst_value_get_fraction_denominator (fps);
 
-                       video_caps = gst_caps_new_simple( "video/x-raw-yuv",
-                                                                                       "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),
-                                                                                       "width", G_TYPE_INT, width,
-                                                                                       "height", G_TYPE_INT, height,
-                                                                                       "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
-                                                                                       NULL);
+/* FIXIT : check indent */
+static void
+__mmplayer_gst_wfd_dynamic_pad (GstElement *element, GstPad *pad, gpointer data) // @
+{
+  GstPad *sinkpad = NULL;
+  GstCaps* caps = NULL;
+  GstElement* new_element = NULL;
+  enum MainElementID element_id = MMPLAYER_M_NUM;
+
+  mm_player_t* player = (mm_player_t*) data;
+
+  MMPLAYER_FENTER();
+
+  return_if_fail( element && pad );
+  return_if_fail(  player &&
+          player->pipeline &&
+          player->pipeline->mainbin );
+
+  debug_log("stream count inc : %d\n", player->num_dynamic_pad);
+
+  {
+    debug_log("using pad caps to autopluging instead of doing typefind\n");
+    caps = gst_pad_get_caps( pad );
+    MMPLAYER_CHECK_NULL( caps );
+    /* clear  previous result*/
+    player->have_dynamic_pad = FALSE;
+    new_element = gst_element_factory_make("rtpmp2tdepay", "wfd_rtp_depay");
+    if ( !new_element )
+    {
+      debug_error ( "failed to create wfd rtp depay element\n" );
+      goto ERROR;
+    }
+    MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_READY );
+    /* add new element to the pipeline */
+    if ( FALSE == gst_bin_add( GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), new_element)  )
+    {
+      debug_log("failed to add autoplug element to bin\n");
+      goto ERROR;
+    }
+    /* get pad from element */
+    sinkpad = gst_element_get_static_pad ( GST_ELEMENT(new_element), "sink" );
+    if ( !sinkpad )
+    {
+      debug_log("failed to get sinkpad from autoplug element\n");
+      goto ERROR;
+    }
+    /* link it */
+    if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
+    {
+      debug_log("failed to link autoplug element\n");
+      goto ERROR;
+    }
+    gst_object_unref (sinkpad);
+    sinkpad = NULL;
+    pad = gst_element_get_static_pad ( GST_ELEMENT(new_element), "src" );
+    caps = gst_pad_get_caps( pad );
+    MMPLAYER_CHECK_NULL( caps );
+    MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_PLAYING );
+    /* create typefind */
+    new_element = gst_element_factory_make( "typefind", NULL );
+    if ( ! new_element )
+    {
+      debug_log("failed to create typefind\n");
+      goto ERROR;
+    }
+
+    MMPLAYER_SIGNAL_CONNECT(   player,
+                G_OBJECT(new_element),
+                MM_PLAYER_SIGNAL_TYPE_AUTOPLUG,
+                "have-type",
+                G_CALLBACK(__mmplayer_typefind_have_type),
+                (gpointer)player);
+
+    player->have_dynamic_pad = FALSE;
+  }
+
+  /* excute new_element if created*/
+  if ( new_element )
+  {
+    debug_log("adding new element to pipeline\n");
+
+    /* set state to READY before add to bin */
+    MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_READY );
+
+    /* add new element to the pipeline */
+    if ( FALSE == gst_bin_add( GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), new_element)  )
+    {
+      debug_log("failed to add autoplug element to bin\n");
+      goto ERROR;
+    }
+
+    /* get pad from element */
+    sinkpad = gst_element_get_static_pad ( GST_ELEMENT(new_element), "sink" );
+    if ( !sinkpad )
+    {
+      debug_log("failed to get sinkpad from autoplug element\n");
+      goto ERROR;
+    }
+
+    /* link it */
+    if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
+    {
+      debug_log("failed to link autoplug element\n");
+      goto ERROR;
+    }
+
+    gst_object_unref (sinkpad);
+    sinkpad = NULL;
+
+    /* run. setting PLAYING here since streamming source is live source */
+    MMPLAYER_ELEMENT_SET_STATE( new_element, GST_STATE_PLAYING );
+  }
+
+  /* store handle to futher manipulation */
+  player->pipeline->mainbin[element_id].id = element_id;
+  player->pipeline->mainbin[element_id].gst = new_element;
+
+  MMPLAYER_FLEAVE();
+
+  return;
 
-                       g_object_set (GST_ELEMENT(videobin[MMPLAYER_V_CAPS].gst), "caps", video_caps, NULL );
+STATE_CHANGE_FAILED:
+ERROR:
+  /* FIXIT : take care if new_element has already added to pipeline */
+  if ( new_element )
+    gst_object_unref(GST_OBJECT(new_element));
 
-                       gst_caps_unref( video_caps );
-               }
+  if ( sinkpad )
+    gst_object_unref(GST_OBJECT(sinkpad));
 
-               /* finally, create video sink. its oupput should be BGRX8888 for application like cario surface. */
-               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK, "avsysmemsink", "videosink", TRUE);
+  if ( caps )
+    gst_object_unref(GST_OBJECT(caps));
 
-               MMPLAYER_SIGNAL_CONNECT( player,
-                                                                        videobin[MMPLAYER_V_SINK].gst,
-                                                                        "video-stream",
-                                                                        G_CALLBACK(__mmplayer_videostream_cb),
-                                                                        player );
+  /* FIXIT : how to inform this error to MSL ????? */
+  /* FIXIT : I think we'd better to use g_idle_add() to destroy pipeline and
+   * then post an error to application
+   */
+}
+
+static void
+__mmplayer_gst_selector_blocked (GstPad* pad, gboolean blocked, gpointer data)
+{
+       debug_log ("pad blocked callback, blocked: %d", blocked);
+}
+
+static void
+__mmplayer_gst_decode_pad_added (GstElement *elem, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = NULL;
+       GstElement* pipeline = NULL;
+       GstElement* selector = NULL;
+       GstElement* fakesink = NULL;
+       GstCaps* caps = NULL;
+       GstStructure* str = NULL;
+       const gchar* name = NULL;
+       GstPad* sinkpad = NULL;
+       GstPad* srcpad = NULL;
+       gboolean first_track = FALSE;
+
+       enum MainElementID elemId = MMPLAYER_M_NUM;
+
+       /* check handles */
+       player = (mm_player_t*)data;
+
+       return_if_fail (elem && pad);
+       return_if_fail (player && player->pipeline && player->pipeline->mainbin);
+
+       //debug_log ("pad-added signal handling\n");
+
+       pipeline = player->pipeline->mainbin[MMPLAYER_M_PIPE].gst;
+
+       /* get mimetype from caps */
+       caps = gst_pad_get_caps (pad);
+       if ( !caps )
+       {
+               debug_error ("cannot get caps from pad.\n");
+               goto ERROR;
        }
-       else // render video data using sink pugin like xvimagesink
+
+       str = gst_caps_get_structure (caps, 0);
+       if ( ! str )
        {
-               debug_log("using videosink");
-               
-               /*set video converter */
-               if (strlen(PLAYER_INI()->name_of_video_converter) > 0)
-               {
-                       vconv_factory = PLAYER_INI()->name_of_video_converter;
-                       gboolean nv12t_hw_enabled = FALSE;
+               debug_error ("cannot get structure from capse.\n");
+               goto ERROR;
+       }
+
+       name = gst_structure_get_name (str);
+       if ( ! name )
+       {
+               debug_error ("cannot get mimetype from structure.\n");
+               goto ERROR;
+       }
+
+       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+       //debug_log ("detected mimetype : %s\n", name);
 
-                       if (player->is_nv12_tiled && PLAYER_INI()->use_video_hw_accel)
-                               nv12t_hw_enabled = TRUE;
-               
-                       if ( (nv12t_hw_enabled && (PLAYER_INI()->video_surface == MM_DISPLAY_SURFACE_EVAS) && !strcmp(PLAYER_INI()->videosink_element_evas, "evasimagesink")) || (nv12t_hw_enabled && use_multi_surface && !strcmp(PLAYER_INI()->videosink_element_evas, "evasimagesink") ) )
+       if (strstr(name, "video"))
+       {
+               gint stype = 0;
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &stype);
+
+               /* don't make video because of not required, and not support multiple track */
+               if (stype == MM_DISPLAY_SURFACE_NULL)
+               {
+                       debug_log ("no video sink by null surface or multiple track");
+                       gchar *caps_str = gst_caps_to_string(caps);
+                       if (strstr(caps_str, "ST12") || strstr(caps_str, "SN12"))
                        {
-                               vconv_factory = "fimcconvert";
+                               player->set_mode.video_zc = TRUE;
                        }
-                       else if (nv12t_hw_enabled)
+                       MMPLAYER_FREEIF( caps_str );
+
+                       if (player->v_stream_caps)
                        {
-                               vconv_factory = NULL;
+                               gst_caps_unref(player->v_stream_caps);
+                               player->v_stream_caps = NULL;
                        }
 
-                       if (vconv_factory && !use_multi_surface)
+                       debug_log ("create fakesink instead of videobin");
+
+                       /* fake sink */
+                       fakesink = gst_element_factory_make ("fakesink", NULL);
+                       if (fakesink == NULL)
                        {
-                               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_CONV, vconv_factory, "video converter", TRUE);
-                               debug_log("using video converter: %s", vconv_factory);
+                               debug_error ("ERROR : fakesink create error\n");
+                               goto ERROR;
                        }
-               }
 
-               /* videoscaler */ /* NOTE : ini parsing method seems to be more suitable rather than define method */
-               #if !defined(__arm__)
-               if (!use_multi_surface) /* NOTE : at now, we did not consider using multi-surface in x86 case */
-               {
-                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SCALE, "videoscale", "videoscaler", TRUE);
-               }
-               #endif
+                       player->video_fakesink = fakesink;
 
-               /* set video sink */
-               switch (PLAYER_INI()->video_surface)
-               {
-                       case MM_DISPLAY_SURFACE_X:
-                               if (strlen(PLAYER_INI()->videosink_element_x) > 0)
-                                       videosink_element = PLAYER_INI()->videosink_element_x;
-                               else
-                                       goto ERROR;
-                               break;
-                       case MM_DISPLAY_SURFACE_EVAS:
-                               if (strlen(PLAYER_INI()->videosink_element_evas) > 0)
-                                       videosink_element = PLAYER_INI()->videosink_element_evas;
-                               else
-                                       goto ERROR;
-                               break;
-                       case MM_DISPLAY_SURFACE_NULL:
-                               if (strlen(PLAYER_INI()->videosink_element_fake) > 0)
-                                       videosink_element = PLAYER_INI()->videosink_element_fake;
-                               else
-                                       goto ERROR;
-                               break;
-                       default:
-                               debug_error("unidentified surface type");
-                               goto ERROR;
-               }
+                       gst_bin_add (GST_BIN(pipeline), fakesink);
 
-               if (use_multi_surface)
-               {
-                       if ( (strlen(PLAYER_INI()->videosink_element_x) > 0 ) && (strlen(PLAYER_INI()->videosink_element_evas) > 0 ) )
+                       // link
+                       sinkpad = gst_element_get_static_pad (fakesink, "sink");
+
+                       if (GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad))
                        {
-                               /* create elements for multi sink usage */
-                               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_TEE, "tee", "tee", TRUE);
-                               debug_log("using tee");
+                               debug_warning ("failed to link fakesink\n");
+                               gst_object_unref (GST_OBJECT(fakesink));
+                               goto ERROR;
+                       }
 
-                               if (vconv_factory)
-                               {
-                                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_CONV, vconv_factory, "video converter", TRUE);
-                                       debug_log("using video converter: %s", vconv_factory);
-                               }
+                       if (player->set_mode.media_packet_video_stream)
+                               player->video_cb_probe_id = gst_pad_add_buffer_probe (sinkpad, G_CALLBACK (__mmplayer_video_stream_probe), player);
 
-                               if (PLAYER_INI()->video_surface == MM_DISPLAY_SURFACE_X)
-                               {
-                                       videosink_element_ext = PLAYER_INI()->videosink_element_evas;
-                                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK_EXT, videosink_element_ext, "videosink_ext_evas", TRUE);
-                               }
-                               else if (PLAYER_INI()->video_surface == MM_DISPLAY_SURFACE_EVAS)
-                               {
-                                       videosink_element_ext = PLAYER_INI()->videosink_element_x;
-                                       MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK_EXT, videosink_element_ext, "videosink_ext_x", TRUE);
-                               }
-                               else
-                               {
-                                       debug_error("not normal case..multi-surface mode is only available with X and EVAS surface");
-                                       goto ERROR;
-                               }
-                               debug_log("selected videosink_ext name: %s", videosink_element_ext);
-                       }
+                       g_object_set (G_OBJECT (fakesink), "async", TRUE, NULL);
+                       g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL);
+                       gst_element_set_state (fakesink, GST_STATE_PAUSED);
+
+                       goto DONE;
                }
-               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK, videosink_element, "videosink", TRUE);
-               debug_log("selected videosink name: %s", videosink_element);
+
+               debug_log ("video selector \n");
+               elemId = MMPLAYER_M_V_INPUT_SELECTOR;
        }
+       else
+       {
+               if (strstr(name, "audio"))
+               {
+                       gint samplerate = 0;
+                       gint channels = 0;
 
-       if ( _mmplayer_update_video_param(player) != MM_ERROR_NONE)
-               goto ERROR;
+                       debug_log ("audio selector \n");
+                       elemId = MMPLAYER_M_A_INPUT_SELECTOR;
 
-       /* qos on */
-       g_object_set (G_OBJECT (videobin[MMPLAYER_V_SINK].gst), "qos", TRUE, NULL);
+                       gst_structure_get_int (str, "rate", &samplerate);
+                       gst_structure_get_int (str, "channels", &channels);
 
-       if (use_multi_surface)
-       {
-               g_object_set (G_OBJECT (videobin[MMPLAYER_V_SINK_EXT].gst), "qos", TRUE, NULL);
-               g_object_set (G_OBJECT (videobin[MMPLAYER_V_SINK].gst), "async", FALSE, NULL);
-               g_object_set (G_OBJECT (videobin[MMPLAYER_V_SINK_EXT].gst), "async", FALSE, NULL);
-       }
+                       if ((channels > 0 && samplerate == 0)) {//exclude audio decoding
+                               /* fake sink */
+                               fakesink = gst_element_factory_make ("fakesink", NULL);
+                               if (fakesink == NULL)
+                               {
+                                       debug_error ("ERROR : fakesink create error\n");
+                                       goto ERROR;
+                               }
 
-       /* store it as it's sink element */
-       __mmplayer_add_sink( player, videobin[MMPLAYER_V_SINK].gst );
-       if (use_multi_surface)
-       {
-               __mmplayer_add_sink( player, videobin[MMPLAYER_V_SINK_EXT].gst );
-       }
+                               gst_bin_add (GST_BIN(pipeline), fakesink);
 
-       /* adding created elements to bin */
-       if( ! __mmplayer_gst_element_add_bucket_to_bin(GST_BIN(videobin[MMPLAYER_V_BIN].gst), element_bucket) )
-       {
-               debug_error("failed to add elements\n");
-               goto ERROR;
-       }
+                               /* link */
+                               sinkpad = gst_element_get_static_pad (fakesink, "sink");
 
-       if (!use_multi_surface)
-       {
-               /* Linking elements in the bucket by added order */
-               if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+                               if (GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad))
+                               {
+                                       debug_warning ("failed to link fakesink\n");
+                                       gst_object_unref (GST_OBJECT(fakesink));
+                                       goto ERROR;
+                               }
+
+                               g_object_set (G_OBJECT (fakesink), "async", TRUE, NULL);
+                               g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL);
+                               gst_element_set_state (fakesink, GST_STATE_PAUSED);
+
+                               goto DONE;
+                       }
+               }
+               else if (strstr(name, "text"))
+               {
+                       debug_log ("text selector \n");
+                       elemId = MMPLAYER_M_T_SUBMUX_INTERNAL;
+               }
+               else
                {
-                       debug_error("failed to link elements\n");
+                       debug_error ("wrong elem id \n");
                        goto ERROR;
                }
        }
-       else
+
+       selector = player->pipeline->mainbin[elemId].gst;
+
+       if (selector == NULL)
        {
-               GstPad *sinkpad;
-               int i = 0;
-               for (i = 0 ; i < 2 ; i++)
+               if (strstr(name, "audio") || strstr(name, "video")) {
+                       selector = gst_element_factory_make ("input-selector", NULL);
+                       debug_log ("Creating input-selector\n");
+                       if (selector == NULL)
+                       {
+                               debug_error ("ERROR : input-selector create error\n");
+                               goto ERROR;
+                       }
+                       g_object_set (selector, "sync-streams", TRUE, NULL);
+               }
+               else
                {
-                       if (!vconv_factory)
+                       if (player->textsink_linked)
                        {
-                               sinkpad = gst_element_get_static_pad (videobin[MMPLAYER_V_SINK+i].gst, "sink");
-                               debug_log("do not need vconv");
+                               selector = gst_element_factory_make ("input-selector", "text-inselector");
+                               debug_log ("Creating input-selector\n");
                        }
                        else
                        {
-                               if (PLAYER_INI()->video_surface == MM_DISPLAY_SURFACE_X)
-                               {
-                                       if (i == 0)
-                                       {
-                                               sinkpad = gst_element_get_static_pad (videobin[MMPLAYER_V_SINK].gst, "sink");
-                                       }
-                                       else
-                                       {
-                                               sinkpad = gst_element_get_static_pad (videobin[MMPLAYER_V_CONV].gst, "sink");
-                                               GST_ELEMENT_LINK(GST_ELEMENT(videobin[MMPLAYER_V_CONV].gst), GST_ELEMENT(videobin[MMPLAYER_V_SINK_EXT].gst));
-                                       }
-                               }
-                               else
-                               {
-                                       if (i == 0)
-                                       {
-                                               sinkpad = gst_element_get_static_pad (videobin[MMPLAYER_V_CONV].gst, "sink");
-                                               GST_ELEMENT_LINK(GST_ELEMENT(videobin[MMPLAYER_V_CONV].gst), GST_ELEMENT(videobin[MMPLAYER_V_SINK].gst));
-                                       }
-                                       else
-                                       {
-                                               sinkpad = gst_element_get_static_pad (videobin[MMPLAYER_V_SINK_EXT].gst, "sink");
-                                       }
-                               }
+                               selector = gst_element_factory_make ("submux", "internal-submux");
+                               g_object_set (G_OBJECT (selector), "lang-list", player->subtitle_language_list, NULL);
+                               debug_log ("Creating submux\n");
                        }
-                       player->tee_src_pad[i] = gst_element_get_request_pad (videobin[MMPLAYER_V_TEE].gst, "src%d");
-                       if (gst_pad_link (player->tee_src_pad[i], sinkpad) != GST_PAD_LINK_OK) {
-                               debug_error("failed to link tee element with sink element(%d)",i);
+                       if (selector == NULL)
+                       {
+                               debug_error ("ERROR : input-selector create error\n");
                                goto ERROR;
                        }
-                       gst_object_unref (sinkpad);
+                       debug_log ("Created submux %p\n", selector);
                }
-       }
+               gst_bin_add (GST_BIN(pipeline), selector);
+               gst_element_set_state (selector, GST_STATE_PAUSED);
 
-       /* get first element's sinkpad for creating ghostpad */
-       first_element = (MMPlayerGstElement *)element_bucket->data;
-       if ( !first_element )
+               player->pipeline->mainbin[elemId].id = elemId;
+               player->pipeline->mainbin[elemId].gst = selector;
+
+               first_track = TRUE;
+               // player->selector[stream_type].active_pad_index = DEFAULT_TRACK;      // default
+
+               srcpad = gst_element_get_static_pad (selector, "src");
+
+               debug_log ("blocking %" GST_PTR_FORMAT, srcpad);
+               gst_pad_set_blocked_async (srcpad, TRUE, __mmplayer_gst_selector_blocked, NULL);
+       }
+       else
        {
-               debug_error("failed to get first element from bucket\n");
-               goto ERROR;
+               debug_log ("input-selector is already created.\n");
+               selector = player->pipeline->mainbin[elemId].gst;
        }
 
-       pad = gst_element_get_static_pad(GST_ELEMENT(first_element->gst), "sink");
-       if ( !pad )
+       // link
+       debug_log ("Calling request pad with selector %p \n", selector);
+       sinkpad = gst_element_get_request_pad (selector, "sink%d");
+
+       debug_log ("got pad %s:%s from selector", GST_DEBUG_PAD_NAME (sinkpad));
+
+       if (GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad))
        {
-               debug_error("failed to get pad from first element\n");
+               debug_warning ("failed to link selector\n");
+               gst_object_unref (GST_OBJECT(selector));
                goto ERROR;
        }
 
-       /* create ghostpad */
-       if ( FALSE == gst_element_add_pad(videobin[MMPLAYER_V_BIN].gst, gst_ghost_pad_new("sink", pad)) )
+       if (first_track && (strstr(name, "audio") || strstr(name, "video")))
        {
-               debug_error("failed to add ghostpad to videobin\n");
-               goto ERROR;
+               debug_log ("this is first track --> active track \n");
+               g_object_set (selector, "active-pad", sinkpad, NULL);
+       } else {
+               debug_log ("subtitle is of internal type \n");
+               if(!player->textsink_linked) {
+                       g_object_set (selector, "is-internal", TRUE, NULL);
+               } else {
+                       debug_log ("this is first track --> active track \n");
+                       g_object_set (selector, "active-pad", sinkpad, NULL);
+               }
        }
-       gst_object_unref(pad);
-
-       /* done. free allocated variables */
-       g_list_free(element_bucket);
 
-       mm_attrs_set_int_by_name(attrs, "content_video_found", TRUE);
-       if ( mmf_attrs_commit ( attrs ) ) /* return -1 if error */
-               debug_error("failed to commit attribute ""content_video_found"".\n");
+DONE:
+ERROR:
 
-       debug_fleave();
+       if (caps)
+       {
+               gst_caps_unref (caps);
+       }
 
-       return MM_ERROR_NONE;
+       if (sinkpad)
+       {
+               gst_object_unref (GST_OBJECT(sinkpad));
+               sinkpad = NULL;
+       }
 
-ERROR:
-       debug_error("ERROR : releasing videobin\n");
+       if (srcpad)
+       {
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
+       }
 
-       g_list_free( element_bucket );
+       return;
+}
 
-       if (pad)
-               gst_object_unref(GST_OBJECT(pad));
+static void __mmplayer_handle_text_decode_path(mm_player_t* player, GstElement* text_selector)
+{
+       #define DEFAULT_TRACK 0
+       GstPad* srcpad = NULL;
+       MMHandleType attrs = 0;
+       gint active_index = 0;
 
-       /* release videobin with it's childs */
-       if ( videobin[MMPLAYER_V_BIN].gst )
+       // [link] input-selector :: textbin
+       srcpad = gst_element_get_static_pad (text_selector, "src");
+       if (!srcpad)
        {
-               gst_object_unref(GST_OBJECT(videobin[MMPLAYER_V_BIN].gst));
+               debug_error("failed to get srcpad from selector\n");
+               return;
        }
 
+       debug_log ("got pad %s:%s from text selector\n", GST_DEBUG_PAD_NAME(srcpad));
 
-       MMPLAYER_FREEIF( videobin );
-
-       player->pipeline->videobin = NULL;
+       active_index = player->selector[MM_PLAYER_TRACK_TYPE_TEXT].active_pad_index;
+       if ((active_index != DEFAULT_TRACK) &&
+               (__mmplayer_change_selector_pad(player, MM_PLAYER_TRACK_TYPE_TEXT, active_index) != MM_ERROR_NONE))
+       {
+               debug_warning("failed to change text track\n");
+               player->selector[MM_PLAYER_TRACK_TYPE_TEXT].active_pad_index = DEFAULT_TRACK;
+       }
 
-       return MM_ERROR_PLAYER_INTERNAL;
-}
+       player->no_more_pad = TRUE;
+       __mmplayer_gst_decode_callback (text_selector, srcpad, player);
 
-static int             __mmplayer_gst_create_text_pipeline(mm_player_t* player)
-{
-       MMPlayerGstElement* first_element = NULL;
-       MMPlayerGstElement* textbin = NULL;
-       GList* element_bucket = NULL;
-       GstPad *pad = NULL;
-       GstPad *ghostpad = NULL;
-       gint i = 0;
+       debug_log ("unblocking %" GST_PTR_FORMAT, srcpad);
+       gst_pad_set_blocked_async (srcpad, FALSE, __mmplayer_gst_selector_blocked, NULL);
 
-       debug_fenter();
+       debug_log("Total text tracks = %d \n", player->selector[MM_PLAYER_TRACK_TYPE_TEXT].total_track_num);
 
-       return_val_if_fail( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       if (player->selector[MM_PLAYER_TRACK_TYPE_TEXT].total_track_num > 0)
+               player->has_closed_caption = TRUE;
 
-       /* alloc handles */
-       textbin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_T_NUM);
-       if ( ! textbin )
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( attrs )
        {
-               debug_error("failed to allocate memory for textbin\n");
-               return MM_ERROR_PLAYER_NO_FREE_SPACE;
+               mm_attrs_set_int_by_name(attrs, "content_text_track_num",(gint)player->selector[MM_PLAYER_TRACK_TYPE_TEXT].total_track_num);
+               if (mmf_attrs_commit (attrs))
+                       debug_error("failed to commit.\n");
+       }
+       else
+       {
+               debug_error("cannot get content attribute");
        }
 
-       /* create bin */
-       textbin[MMPLAYER_T_BIN].id = MMPLAYER_T_BIN;
-       textbin[MMPLAYER_T_BIN].gst = gst_bin_new("textbin");
-       if ( !textbin[MMPLAYER_T_BIN].gst )
+       if (srcpad)
        {
-               debug_critical("failed to create textbin\n");
-               goto ERROR;
+               gst_object_unref ( GST_OBJECT(srcpad) );
+               srcpad = NULL;
        }
+}
 
-       /* take it */
-       player->pipeline->textbin = textbin;
+int _mmplayer_gst_set_audio_channel(MMHandleType hplayer, MMPlayerAudioChannel ch_idx)
+{
+       int result = MM_ERROR_NONE;
 
-       /* fakesink */
-       MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_SINK, "fakesink", "text_sink", TRUE);
+       mm_player_t* player = (mm_player_t*)hplayer;
+       MMPlayerGstElement* mainbin = NULL;
+       gchar* change_pad_name = NULL;
+       GstPad* sinkpad = NULL;
+       GstCaps* caps = NULL;
 
-       g_object_set (G_OBJECT (textbin[MMPLAYER_T_SINK].gst), "sync", TRUE, NULL);
-       g_object_set (G_OBJECT (textbin[MMPLAYER_T_SINK].gst), "async", FALSE, NULL);
-       g_object_set (G_OBJECT (textbin[MMPLAYER_T_SINK].gst), "signal-handoffs", TRUE, NULL);
+       MMPLAYER_FENTER();
 
-       MMPLAYER_SIGNAL_CONNECT( player,
-                                                       G_OBJECT(textbin[MMPLAYER_T_SINK].gst),
-                                                       "handoff",
-                                                       G_CALLBACK(__mmplayer_update_subtitle),
-                                                       (gpointer)player );
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       __mmplayer_add_sink (player, GST_ELEMENT(textbin[MMPLAYER_T_SINK].gst));
+       debug_log ("Change Audio mode to %d\n", ch_idx);
+       player->use_deinterleave = TRUE;
 
-       /* adding created elements to bin */
-       debug_log("adding created elements to bin\n");
-       if( !__mmplayer_gst_element_add_bucket_to_bin( GST_BIN(textbin[MMPLAYER_T_BIN].gst), element_bucket ))
+       if ((!player->pipeline) || (!player->pipeline->mainbin))
        {
-               debug_error("failed to add elements\n");
-               goto ERROR;
+               debug_log ("pre setting : %d\n", ch_idx);
+
+               player->audio_mode.active_pad_index = ch_idx;
+               return result;
        }
 
-       /* linking elements in the bucket by added order. */
-       debug_log("Linking elements in the bucket by added order.\n");
-       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+       mainbin = player->pipeline->mainbin;
+
+       if (mainbin[MMPLAYER_M_A_SELECTOR].gst == NULL)
        {
-               debug_error("failed to link elements\n");
-               goto ERROR;
+               if (player->max_audio_channels < 2)
+               {
+                       debug_log ("mono channel track only\n");
+                       return result;
+               }
+
+               debug_warning ("selector doesn't exist\n");
+               return result;  /* keep playing */
        }
 
-       /* get first element's sinkpad for creating ghostpad */
-       first_element = (MMPlayerGstElement *)element_bucket->data;
+       debug_log ("total_ch_num : %d\n", player->audio_mode.total_track_num);
 
-       pad = gst_element_get_static_pad(GST_ELEMENT(first_element->gst), "sink");
-       if ( ! pad )
+       if (player->audio_mode.total_track_num < 2)
        {
-               debug_error("failed to get pad from first element of textbin\n");
-               goto ERROR;
+               debug_warning ("there is no another audio path\n");
+               return result;  /* keep playing */
        }
 
-       ghostpad = gst_ghost_pad_new("sink", pad);
-       if ( ! ghostpad )
+       if ((ch_idx < 0) || (ch_idx >= player->audio_mode.total_track_num))
        {
-               debug_error("failed to create ghostpad\n");
-               goto ERROR;
+               debug_warning ("Not a proper ch_idx : %d \n", ch_idx);
+               return result;  /* keep playing */
        }
 
-       if ( FALSE == gst_element_add_pad(textbin[MMPLAYER_T_BIN].gst, ghostpad) )
+       /*To get the new pad from the selector*/
+       change_pad_name = g_strdup_printf ("sink%d", ch_idx);
+       if (change_pad_name == NULL)
        {
-               debug_error("failed to add ghostpad to textbin\n");
-               goto ERROR;
+               debug_warning ("Pad does not exists\n");
+               goto ERROR;     /* keep playing */
        }
 
-       gst_object_unref(pad);
+       debug_log ("new active pad name: %s\n", change_pad_name);
 
+       sinkpad = gst_element_get_static_pad (mainbin[MMPLAYER_M_A_SELECTOR].gst, change_pad_name);
+       if (sinkpad == NULL)
+       {
+               //result = MM_ERROR_PLAYER_INTERNAL;
+               goto ERROR;     /* keep playing */
+       }
 
-       /* done. free allocated variables */
-       g_list_free(element_bucket);
+       debug_log ("Set Active Pad - %s:%s\n", GST_DEBUG_PAD_NAME(sinkpad));
+       g_object_set (mainbin[MMPLAYER_M_A_SELECTOR].gst, "active-pad", sinkpad, NULL);
 
-       debug_fleave();
+       caps = GST_PAD_CAPS(sinkpad);
+       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
 
-       return MM_ERROR_NONE;
+       __mmplayer_set_audio_attrs (player, caps);
+       player->audio_mode.active_pad_index = ch_idx;
 
 ERROR:
 
-       debug_log("ERROR : releasing textbin\n");
+       if (sinkpad)
+               gst_object_unref (sinkpad);
 
-       if ( pad )
-               gst_object_unref(GST_OBJECT(pad));
+       MMPLAYER_FREEIF(change_pad_name);
 
-       if ( ghostpad )
-               gst_object_unref(GST_OBJECT(ghostpad));
+       MMPLAYER_FLEAVE();
+       return result;
+}
 
-       g_list_free( element_bucket );
 
 
-       /* release element which are not added to bin */
-       for ( i = 1; i < MMPLAYER_T_NUM; i++ )  /* NOTE : skip bin */
-       {
-               if ( textbin[i].gst )
-               {
-                       GstObject* parent = NULL;
-                       parent = gst_element_get_parent( textbin[i].gst );
+static void
+__mmplayer_gst_deinterleave_pad_added(GstElement *elem, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       GstElement* selector = NULL;
+       GstElement* queue = NULL;
 
-                       if ( !parent )
-                       {
-                               gst_object_unref(GST_OBJECT(textbin[i].gst));
-                               textbin[i].gst = NULL;
-                       }
-                       else
-                       {
-                               gst_object_unref(GST_OBJECT(parent));
-                       }
-               }
-       }
+       GstPad* srcpad = NULL;
+       GstPad* sinkpad = NULL;
+       gchar* caps_str= NULL;
 
-       /* release textbin with it's childs */
-       if ( textbin[MMPLAYER_T_BIN].gst )
+       MMPLAYER_FENTER();
+       return_if_fail (player && player->pipeline && player->pipeline->mainbin);
+
+       caps_str = gst_caps_to_string(GST_PAD_CAPS(pad));
+       debug_log ("deinterleave new caps : %s\n", caps_str);
+       MMPLAYER_FREEIF(caps_str);
+
+       if ((queue = __mmplayer_element_create_and_link(player, pad, "queue")) == NULL)
        {
-               gst_object_unref(GST_OBJECT(textbin[MMPLAYER_T_BIN].gst));
+               debug_error ("ERROR : queue create error\n");
+               goto ERROR;
        }
 
-       MMPLAYER_FREEIF( textbin );
+       g_object_set(G_OBJECT(queue),
+                               "max-size-buffers", 10,
+                               "max-size-bytes", 0,
+                               "max-size-time", (guint64)0,
+                               NULL);
 
-       player->pipeline->textbin = NULL;
+       selector = player->pipeline->mainbin[MMPLAYER_M_A_SELECTOR].gst;
 
-       return MM_ERROR_PLAYER_INTERNAL;
-}
+       if (!selector)
+       {
+               debug_error("there is no audio channel selector.\n");
+               goto ERROR;
+       }
 
+       srcpad = gst_element_get_static_pad (queue, "src");
+       sinkpad = gst_element_get_request_pad (selector, "sink%d");
 
-static int
-__mmplayer_gst_create_subtitle_pipeline(mm_player_t* player)
-{
-       GstBus  *bus = NULL;
-       MMPlayerGstElement* subtitlebin = NULL;
-       MMHandleType attrs = 0;
-       gchar *subtitle_uri =NULL;
-       GList*element_bucket = NULL;
+       debug_log ("link (%s:%s - %s:%s)\n", GST_DEBUG_PAD_NAME(srcpad), GST_DEBUG_PAD_NAME(sinkpad));
 
-       #define USE_MESSAGE_FOR_PLAYING_SUBTITLE 
-#ifndef USE_MESSAGE_FOR_PLAYING_SUBTITLE
-       void *xid = NULL;
-       gint width =0, height = 0;
-       gboolean silent=FALSE;
-#endif
+       if (GST_PAD_LINK_OK != gst_pad_link(srcpad, sinkpad))
+       {
+               debug_warning ("failed to link deinterleave - selector\n");
+               goto ERROR;
+       }
 
-       debug_fenter();
+       gst_element_set_state (queue, GST_STATE_PAUSED);
+       player->audio_mode.total_track_num++;
 
-       /* get mainbin */
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+ERROR:
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
+       if (srcpad)
        {
-               debug_error("cannot get content attribute\n");
-               return MM_ERROR_PLAYER_INTERNAL;
+               gst_object_unref ( GST_OBJECT(srcpad) );
+               srcpad = NULL;
        }
 
-       mm_attrs_get_string_by_name ( attrs, "subtitle_uri", &subtitle_uri );
-       if ( !subtitle_uri || strlen(subtitle_uri) < 1)
+       if (sinkpad)
        {
-               debug_error("subtitle uri is not proper filepath.\n");
-               return MM_ERROR_PLAYER_INVALID_URI;     
+               gst_object_unref ( GST_OBJECT(sinkpad) );
+               sinkpad = NULL;
        }
-       debug_log("subtitle file path is [%s].\n", subtitle_uri);
 
+       MMPLAYER_FLEAVE();
+       return;
+}
 
-       /* alloc handles */
-       subtitlebin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_SUB_NUM);
-       if ( !subtitlebin )
-       {
-               debug_error("failed to allocate memory\n");
-               return MM_ERROR_PLAYER_NO_FREE_SPACE;
-       }
+static void
+__mmplayer_gst_deinterleave_no_more_pads (GstElement *elem, gpointer data)
+{
+       mm_player_t* player = NULL;
+       GstElement* selector = NULL;
+       GstPad* sinkpad = NULL;
+       gint active_index = 0;
+       gchar* change_pad_name = NULL;
+       GstCaps* caps = NULL;   // no need to unref
 
-       /* create bin */
-       subtitlebin[MMPLAYER_SUB_PIPE].id = MMPLAYER_SUB_PIPE;
-       subtitlebin[MMPLAYER_SUB_PIPE].gst = gst_pipeline_new("subtitlebin");
-       if ( !subtitlebin[MMPLAYER_SUB_PIPE].gst )
+       MMPLAYER_FENTER();
+       player = (mm_player_t*) data;
+
+       selector = player->pipeline->mainbin[MMPLAYER_M_A_SELECTOR].gst;
+
+       if (!selector)
        {
-               debug_error("failed to create text pipeline\n");
+               debug_error("there is no audio channel selector.\n");
                goto ERROR;
        }
-       player->pipeline->subtitlebin = subtitlebin;
 
-       /* create the text file source */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_SRC, "filesrc", "subtitle_source", TRUE);
-       g_object_set(G_OBJECT (subtitlebin[MMPLAYER_SUB_SRC].gst), "location", subtitle_uri, NULL);
+       active_index = player->audio_mode.active_pad_index;
 
-       /* queue */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_QUEUE, "queue", NULL, TRUE);
+       if (active_index != DEFAULT_AUDIO_CH)
+       {
+               gint audio_ch = DEFAULT_AUDIO_CH;
 
-       /* subparse */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_SUBPARSE, "subparse", "subtitle_parser", TRUE);
+               /*To get the new pad from the selector*/
+               change_pad_name = g_strdup_printf ("sink%d", active_index);
+               if (change_pad_name != NULL)
+               {
+                       sinkpad = gst_element_get_static_pad (selector, change_pad_name);
+                       if (sinkpad != NULL)
+                       {
+                               debug_log ("Set Active Pad - %s:%s\n", GST_DEBUG_PAD_NAME(sinkpad));
+                               g_object_set (selector, "active-pad", sinkpad, NULL);
 
-#ifndef USE_MESSAGE_FOR_PLAYING_SUBTITLE
-       /* textrender */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_TEXTRENDER, "textrender", "subtitle_render", TRUE);
+                               audio_ch = active_index;
 
-       mm_attrs_get_int_by_name(attrs,"width", &width);
-       mm_attrs_get_int_by_name(attrs,"height", &height);
-       mm_attrs_get_int_by_name(attrs,"silent", &silent);
-       g_object_set ( G_OBJECT (subtitlebin[MMPLAYER_SUB_TEXTRENDER].gst),"width", width, NULL);
-       g_object_set ( G_OBJECT (subtitlebin[MMPLAYER_SUB_TEXTRENDER].gst),"height", height, NULL);
-       g_object_set ( G_OBJECT (subtitlebin[MMPLAYER_SUB_TEXTRENDER].gst),"silent", silent, NULL);
+                               caps = GST_PAD_CAPS(sinkpad);
+                               MMPLAYER_LOG_GST_CAPS_TYPE(caps);
 
-       debug_log ( "subtitle winow size is [%dX%d].\n", width, height );
-       debug_log ( "subtitle silent is [%d].\n", silent );
+                               __mmplayer_set_audio_attrs (player, caps);
+                       }
+               }
 
-       /* converter1 */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_CONV1, "ffmpegcolorspace", "subtitle_converter1", TRUE);
+               player->audio_mode.active_pad_index = audio_ch;
+               debug_log("audio LR info (0:stereo) = %d\n", player->audio_mode.active_pad_index);
+       }
 
-       /* videofliper */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_FLIP, "videoflip", "subtitle_fliper", TRUE);
+ERROR:
 
-       /* converter2 */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_CONV2, "ffmpegcolorspace", "subtitle_converter2", TRUE);
+       if (sinkpad)
+               gst_object_unref (sinkpad);
 
-       /* text sink */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_SINK, "ximagesink", "subtitle_sink", TRUE);
+       MMPLAYER_FLEAVE();
+       return;
+}
 
-       mm_attrs_get_data_by_name(attrs, "xid", &xid);
-       if ( xid )
-       {
-               debug_log("setting subtitle xid = %d\n", *(int*)xid);
-               gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(subtitlebin[MMPLAYER_SUB_SINK].gst), *(int*)xid);
-       }
-       else
-       {
-               /* FIXIT : is it error case? */
-               debug_warning("still we don't have xid on player attribute. create it's own surface.\n");
-       }
-#else
-       /* text sink */
-       MMPLAYER_CREATE_ELEMENT(subtitlebin, MMPLAYER_SUB_SINK, "fakesink", "subtitle_sink", TRUE);
+static void
+__mmplayer_gst_build_deinterleave_path (GstElement *elem, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = NULL;
+       MMPlayerGstElement *mainbin = NULL;
 
-       g_object_set (G_OBJECT (subtitlebin[MMPLAYER_SUB_SINK].gst), "sync", TRUE, NULL);
-       g_object_set (G_OBJECT (subtitlebin[MMPLAYER_SUB_SINK].gst), "async", FALSE, NULL);
-       g_object_set (G_OBJECT (subtitlebin[MMPLAYER_SUB_SINK].gst), "signal-handoffs", TRUE, NULL);
+       GstElement* tee = NULL;
+       GstElement* stereo_queue = NULL;
+       GstElement* mono_queue = NULL;
+       GstElement* conv = NULL;
+       GstElement* filter = NULL;
+       GstElement* deinterleave = NULL;
+       GstElement* selector = NULL;
 
-       MMPLAYER_SIGNAL_CONNECT( player,
-                                                       G_OBJECT(subtitlebin[MMPLAYER_SUB_SINK].gst),
-                                                       "handoff",
-                                                       G_CALLBACK(__mmplayer_update_subtitle),
-                                                       (gpointer)player );
-#endif
+       GstPad* srcpad = NULL;
+       GstPad* selector_srcpad = NULL;
+       GstPad* sinkpad = NULL;
+       GstCaps* caps = NULL;
 
-       /* adding created elements to bin */
-       if( ! __mmplayer_gst_element_add_bucket_to_bin(GST_BIN(subtitlebin[MMPLAYER_SUB_PIPE].gst), element_bucket) )
-       {
-               debug_error("failed to add elements\n");
-               goto ERROR;
-       }
+       MMPLAYER_FENTER();
 
-       /* Linking elements in the bucket by added order */
-       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
-       {
-               debug_error("failed to link elements\n");
-               goto ERROR;
-       }
+       /* check handles */
+       player = (mm_player_t*) data;
 
-       /* done. free allocated variables */
-       g_list_free(element_bucket);
+       return_if_fail( elem && pad );
+       return_if_fail( player && player->pipeline && player->pipeline->mainbin );
 
-       player->play_subtitle = TRUE;
+       mainbin = player->pipeline->mainbin;
 
-       debug_fleave();
-       
-       return MM_ERROR_NONE;
+       /* tee */
+       if ((tee = __mmplayer_element_create_and_link(player, pad, "tee")) == NULL)
+       {
+               debug_error ("ERROR : tee create error\n");
+               goto ERROR;
+       }
 
+       mainbin[MMPLAYER_M_A_TEE].id = MMPLAYER_M_A_TEE;
+       mainbin[MMPLAYER_M_A_TEE].gst = tee;
 
-ERROR:
-       debug_error("ERROR : releasing text pipeline\n");
+       gst_element_set_state (tee, GST_STATE_PAUSED);
 
-       g_list_free( element_bucket );
+       /* queue */
+       srcpad = gst_element_get_request_pad (tee, "src%d");
+       if ((stereo_queue = __mmplayer_element_create_and_link(player, srcpad, "queue")) == NULL)
+       {
+               debug_error ("ERROR : stereo queue create error\n");
+               goto ERROR;
+       }
+
+       g_object_set(G_OBJECT(stereo_queue),
+                               "max-size-buffers", 10,
+                               "max-size-bytes", 0,
+                               "max-size-time", (guint64)0,
+                               NULL);
 
-       /* release subtitlebin with it's childs */
-       if ( subtitlebin[MMPLAYER_SUB_PIPE].gst )
+       player->pipeline->mainbin[MMPLAYER_M_A_Q1].id = MMPLAYER_M_A_Q1;
+       player->pipeline->mainbin[MMPLAYER_M_A_Q1].gst = stereo_queue;
+
+       if (srcpad)
        {
-               gst_object_unref(GST_OBJECT(subtitlebin[MMPLAYER_SUB_PIPE].gst));
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
        }
 
-       MMPLAYER_FREEIF( subtitlebin );
+       srcpad = gst_element_get_request_pad (tee, "src%d");
 
-       player->pipeline->subtitlebin = NULL;
+       if ((mono_queue = __mmplayer_element_create_and_link(player, srcpad, "queue")) == NULL)
+       {
+               debug_error ("ERROR : mono queue create error\n");
+               goto ERROR;
+       }
 
-       return MM_ERROR_PLAYER_INTERNAL;
-}
+       g_object_set(G_OBJECT(mono_queue),
+                               "max-size-buffers", 10,
+                               "max-size-bytes", 0,
+                               "max-size-time", (guint64)0,
+                               NULL);
 
-gboolean
-__mmplayer_update_subtitle( GstElement* object, GstBuffer *buffer, GstPad *pad, gpointer data)
-{
-       mm_player_t* player = (mm_player_t*) data;
-       MMMessageParamType msg = {0, };
-       GstClockTime duration = 0;
-       guint8 *text = NULL;
-       gboolean ret = TRUE;
+       player->pipeline->mainbin[MMPLAYER_M_A_Q2].id = MMPLAYER_M_A_Q2;
+       player->pipeline->mainbin[MMPLAYER_M_A_Q2].gst = mono_queue;
 
-       debug_fenter();
+       gst_element_set_state (stereo_queue, GST_STATE_PAUSED);
+       gst_element_set_state (mono_queue, GST_STATE_PAUSED);
 
-       return_val_if_fail ( player, FALSE );
-       return_val_if_fail ( buffer, FALSE );
+       /* audioconvert */
+       srcpad = gst_element_get_static_pad (mono_queue, "src");
+       if ((conv = __mmplayer_element_create_and_link(player, srcpad, "audioconvert")) == NULL)
+       {
+               debug_error ("ERROR : audioconvert create error\n");
+               goto ERROR;
+       }
 
-       text = GST_BUFFER_DATA(buffer);
-       duration = GST_BUFFER_DURATION(buffer);
+       player->pipeline->mainbin[MMPLAYER_M_A_CONV].id = MMPLAYER_M_A_CONV;
+       player->pipeline->mainbin[MMPLAYER_M_A_CONV].gst = conv;
 
-       if ( player->is_subtitle_off )
+       /* caps filter */
+       if (srcpad)
        {
-               debug_log("subtitle is OFF.\n" );
-               return TRUE;
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
        }
+       srcpad = gst_element_get_static_pad (conv, "src");
 
-       if ( !text )
+       if ((filter = __mmplayer_element_create_and_link(player, srcpad, "capsfilter")) == NULL)
        {
-               debug_log("There is no subtitle to be displayed.\n" );
-               return TRUE;
+               debug_error ("ERROR : capsfilter create error\n");
+               goto ERROR;
        }
 
-       msg.data = (void *) text;
-       msg.subtitle.duration = GST_TIME_AS_MSECONDS(duration);
-
-       debug_warning("update subtitle : [%ld msec] %s\n'", msg.subtitle.duration, (char*)msg.data );
-
-       MMPLAYER_POST_MSG( player, MM_MESSAGE_UPDATE_SUBTITLE, &msg );
-
-       debug_fleave();
-
-       return ret;
-}
+       player->pipeline->mainbin[MMPLAYER_M_A_FILTER].id = MMPLAYER_M_A_FILTER;
+       player->pipeline->mainbin[MMPLAYER_M_A_FILTER].gst = filter;
 
+       caps = gst_caps_from_string( "audio/x-raw-int, "
+                               "width = (int) 16, "
+                               "depth = (int) 16, "
+                               "channels = (int) 2");
 
-static int     __gst_adjust_subtitle_position(mm_player_t* player, int format, int position)
-{
-       GstEvent* event = NULL;
-       gint64 current_pos = 0;
-       gint64 adusted_pos = 0;
-       gboolean ret = TRUE;
+       g_object_set (GST_ELEMENT(player->pipeline->mainbin[MMPLAYER_M_A_FILTER].gst), "caps", caps, NULL );
+       gst_caps_unref( caps );
 
-       debug_fenter();
+       gst_element_set_state (conv, GST_STATE_PAUSED);
+       gst_element_set_state (filter, GST_STATE_PAUSED);
 
-       /* check player and subtitlebin are created */
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( MMPLAYER_PLAY_SUBTITLE(player),    MM_ERROR_PLAYER_NOT_INITIALIZED );
-
-       if (position == 0)
+       /* deinterleave */
+       if (srcpad)
        {
-               debug_log("adjusted values is 0, no need to adjust subtitle position.\n");
-               return MM_ERROR_NONE;
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
        }
+       srcpad = gst_element_get_static_pad (filter, "src");
 
-       switch (format)
+       if ((deinterleave = __mmplayer_element_create_and_link(player, srcpad, "deinterleave")) == NULL)
        {
-               case MM_PLAYER_POS_FORMAT_TIME:
-               {
-                       /* check current postion */
-                       ret = gst_element_query_position( GST_ELEMENT(player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst), &format, &current_pos );
-                       if ( !ret )
-                       {
-                               debug_warning("fail to query current postion.\n");
-                               return MM_ERROR_PLAYER_SEEK;
-                       }
-                       else
-                       {
-                               adusted_pos = current_pos + ((gint64)position * G_GINT64_CONSTANT(1000000));
-                               if (adusted_pos < 0)
-                                       adusted_pos = G_GINT64_CONSTANT(0);
-                               debug_log("adjust subtitle postion : %lu -> %lu [msec]\n", GST_TIME_AS_MSECONDS(current_pos), GST_TIME_AS_MSECONDS(adusted_pos));
-                       }
-
-                       event = gst_event_new_seek (1.0,        GST_FORMAT_TIME,
-                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                                       GST_SEEK_TYPE_SET, adusted_pos,
-                                       GST_SEEK_TYPE_SET, -1);
-               }
-               break;
+               debug_error ("ERROR : deinterleave create error\n");
+               goto ERROR;
+       }
 
-               case MM_PLAYER_POS_FORMAT_PERCENT:
-               {
-                       debug_warning("percent format is not supported yet.\n");
-                       return MM_ERROR_INVALID_ARGUMENT;
-               }
-               break;
+       g_object_set (deinterleave, "keep-positions", TRUE, NULL);
 
-               default:
-               {
-                       debug_warning("invalid format.\n");
-                       return MM_ERROR_INVALID_ARGUMENT;
-               }
-       }
+       MMPLAYER_SIGNAL_CONNECT (player, deinterleave, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                                                       G_CALLBACK (__mmplayer_gst_deinterleave_pad_added), player);
 
-       /* keep ref to the event */
-       gst_event_ref (event);
+       MMPLAYER_SIGNAL_CONNECT (player, deinterleave, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads",
+                                                       G_CALLBACK (__mmplayer_gst_deinterleave_no_more_pads), player);
 
-       debug_log("sending event[%s] to sink element [%s]\n",
-                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(player->pipeline->subtitlebin[MMPLAYER_SUB_SINK].gst) );
+       player->pipeline->mainbin[MMPLAYER_M_A_DEINTERLEAVE].id = MMPLAYER_M_A_DEINTERLEAVE;
+       player->pipeline->mainbin[MMPLAYER_M_A_DEINTERLEAVE].gst = deinterleave;
 
-       if ( ret = gst_element_send_event (player->pipeline->subtitlebin[MMPLAYER_SUB_SINK].gst, event) )
+       /* selector */
+       selector = gst_element_factory_make ("input-selector", "audio-channel-selector");
+       if (selector == NULL)
        {
-               debug_log("sending event[%s] to sink element [%s] success!\n",
-                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(player->pipeline->subtitlebin[MMPLAYER_SUB_SINK].gst) );
+               debug_error ("ERROR : audio-selector create error\n");
+               goto ERROR;
        }
 
-       /* unref to the event */
-       gst_event_unref (event);
-
-
-       debug_fleave();
+       g_object_set (selector, "sync-streams", TRUE, NULL);
+       gst_bin_add (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), selector);
 
-       return MM_ERROR_NONE;
+       player->pipeline->mainbin[MMPLAYER_M_A_SELECTOR].id = MMPLAYER_M_A_SELECTOR;
+       player->pipeline->mainbin[MMPLAYER_M_A_SELECTOR].gst = selector;
 
-}
+       selector_srcpad = gst_element_get_static_pad (selector, "src");
 
-static void
-__gst_appsrc_feed_data_mem(GstElement *element, guint size, gpointer user_data) // @
-{
-       GstElement *appsrc = element;
-       tBuffer *buf = (tBuffer *)user_data;
-       GstBuffer *buffer = NULL;
-       GstFlowReturn ret = GST_FLOW_OK;
-       gint len = size;
+       debug_log ("blocking %" GST_PTR_FORMAT, selector_srcpad);
+       gst_pad_set_blocked_async (selector_srcpad, TRUE, __mmplayer_gst_selector_blocked, NULL);
 
-       return_if_fail ( element );
-       return_if_fail ( buf );
+       if (srcpad)
+       {
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
+       }
 
-       buffer = gst_buffer_new ();
+       srcpad = gst_element_get_static_pad(stereo_queue, "src");
+       sinkpad = gst_element_get_request_pad (selector, "sink%d");
 
-       if (buf->offset >= buf->len)
+       if (GST_PAD_LINK_OK != gst_pad_link(srcpad, sinkpad))
        {
-               debug_log("call eos appsrc\n");
-              g_signal_emit_by_name (appsrc, "end-of-stream", &ret);
-              return;
+               debug_warning ("failed to link queue_stereo - selector\n");
+               goto ERROR;
        }
 
-       if ( buf->len - buf->offset < size)
-       {
-               len = buf->len - buf->offset + buf->offset;
-       }
+       player->audio_mode.total_track_num++;
 
-       GST_BUFFER_DATA(buffer) = (guint8*)(buf->buf + buf->offset);
-       GST_BUFFER_SIZE(buffer) = len;
-       GST_BUFFER_OFFSET(buffer) = buf->offset;
-       GST_BUFFER_OFFSET_END(buffer) = buf->offset + len;
+       g_object_set (selector, "active-pad", sinkpad, NULL);
+       gst_element_set_state (deinterleave, GST_STATE_PAUSED);
+       gst_element_set_state (selector, GST_STATE_PAUSED);
 
-       debug_log("feed buffer %p, offset %u-%u length %u\n", buffer, buf->offset, buf->len,len);
-       g_signal_emit_by_name (appsrc, "push-buffer", buffer, &ret);
+       __mmplayer_gst_decode_callback (selector, selector_srcpad, player);
 
-       buf->offset += len;
-}
+       debug_log ("unblocking %" GST_PTR_FORMAT, selector_srcpad);
+       gst_pad_set_blocked_async (selector_srcpad, FALSE, __mmplayer_gst_selector_blocked, NULL);
 
-static gboolean
-__gst_appsrc_seek_data_mem(GstElement *element, guint64 size, gpointer user_data) // @
-{
-       tBuffer *buf = (tBuffer *)user_data;
+ERROR:
+       if (sinkpad)
+       {
+               gst_object_unref (GST_OBJECT(sinkpad));
+               sinkpad = NULL;
+       }
 
-       return_val_if_fail ( buf, FALSE );
+       if (srcpad)
+       {
+               gst_object_unref (GST_OBJECT(srcpad));
+               srcpad = NULL;
+       }
 
-       buf->offset  = (int)size;
+       if (selector_srcpad)
+       {
+               gst_object_unref (GST_OBJECT(selector_srcpad));
+               selector_srcpad = NULL;
+       }
 
-       return TRUE;
+       MMPLAYER_FLEAVE();
+       return;
 }
 
 static void
-__gst_appsrc_feed_data(GstElement *element, guint size, gpointer user_data) // @
+__mmplayer_gst_decode_no_more_pads (GstElement *elem, gpointer data)
 {
-       mm_player_t *player  = (mm_player_t*)user_data;
+       mm_player_t* player = NULL;
+       GstPad* srcpad = NULL;
+       GstElement* video_selector = NULL;
+       GstElement* audio_selector = NULL;
+       GstElement* text_selector = NULL;
+       MMHandleType attrs = 0;
+       gint active_index = 0;
+       GstFormat fmt  = GST_FORMAT_BYTES;
+       gint64 dur_bytes = 0L;
 
-       return_if_fail ( player );
+       player = (mm_player_t*) data;
 
-       debug_msg("app-src: feed data\n");
-            
-       if(player->need_data_cb)
-               player->need_data_cb(size, player->buffer_cb_user_param);
-}
+       debug_log("no-more-pad signal handling\n");
 
-static gboolean
-__gst_appsrc_seek_data(GstElement *element, guint64 offset, gpointer user_data) // @
-{
-       mm_player_t *player  = (mm_player_t*)user_data;
+       if ((player->cmd == MMPLAYER_COMMAND_DESTROY) ||
+               (player->cmd == MMPLAYER_COMMAND_UNREALIZE))
+       {
+               debug_warning("no need to go more");
 
-       return_val_if_fail ( player, FALSE );
+               if (player->pp_rebuilding)
+               {
+                       player->pp_rebuilding = FALSE;
+                       MMPLAYER_PLAYBACK_UNLOCK(player);
+               }
 
-       debug_msg("app-src: seek data\n");
+               return;
+       }
 
-       if(player->seek_data_cb)
-               player->seek_data_cb(offset, player->buffer_cb_user_param);
+       if ((!MMPLAYER_IS_HTTP_PD(player)) &&
+               (MMPLAYER_IS_HTTP_STREAMING(player)) &&
+               (!player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst) &&
+               (player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst))
+       {
+               #define ESTIMATED_BUFFER_UNIT (1*1024*1024)
 
-       return TRUE;
-}
+               if (NULL == player->streamer)
+               {
+                       debug_warning("invalid state for buffering");
+                       goto ERROR;
+               }
 
+               gdouble init_buffering_time = (gdouble)player->streamer->buffering_req.initial_second;
+               guint buffer_bytes = init_buffering_time * ESTIMATED_BUFFER_UNIT;
 
-static gboolean
-__gst_appsrc_enough_data(GstElement *element, gpointer user_data) // @
-{
-       mm_player_t *player  = (mm_player_t*)user_data;
+               buffer_bytes = MAX(buffer_bytes, player->streamer->buffer_handle[BUFFER_TYPE_MUXED].buffering_bytes);
+               debug_log("[Decodebin2] set use-buffering on Q2 (pre buffer time: %d sec, buffer size : %d)\n", (gint)init_buffering_time, buffer_bytes);
 
-       return_val_if_fail ( player, FALSE );
+               init_buffering_time = (init_buffering_time != 0)?(init_buffering_time):(player->ini.http_buffering_time);
 
-       debug_msg("app-src: enough data:%p\n", player->enough_data_cb);
-       
-       if(player->enough_data_cb)
-               player->enough_data_cb(player->buffer_cb_user_param);
+               if ( !gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, &fmt, &dur_bytes))
+                       debug_error("fail to get duration.\n");
 
-       return TRUE;
-}
+               // enable use-buffering on queue2 instead of multiqueue (ex)audio only streaming
+               // use file information was already set on Q2 when it was created.
+               __mm_player_streaming_set_queue2(player->streamer,
+                                               player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst,
+                                               TRUE,                                                           // use_buffering
+                                               buffer_bytes,
+                                               init_buffering_time,
+                                               1.0,                                                            // low percent
+                                               player->ini.http_buffering_limit,       // high percent
+                                               FALSE,
+                                               NULL,
+                                               ((dur_bytes>0)?((guint64)dur_bytes):0));
+       }
 
-int
-_mmplayer_push_buffer(MMHandleType hplayer, unsigned char *buf, int size) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       GstBuffer *buffer = NULL;
-       GstFlowReturn gst_ret = GST_FLOW_OK;
-       int ret = MM_ERROR_NONE;
+       video_selector = player->pipeline->mainbin[MMPLAYER_M_V_INPUT_SELECTOR].gst;
+       audio_selector = player->pipeline->mainbin[MMPLAYER_M_A_INPUT_SELECTOR].gst;
+       text_selector = player->pipeline->mainbin[MMPLAYER_M_T_SUBMUX_INTERNAL].gst;
+
+       if (video_selector)
+       {
+               // the first track can be played only. not support track changing yet.
+               // [link] input-selector :: videobin
+               srcpad = gst_element_get_static_pad (video_selector, "src");
+               if (!srcpad)
+               {
+                       debug_error("failed to get srcpad from video selector\n");
+                       goto ERROR;
+               }
 
-       debug_fenter();
+               debug_log ("got pad %s:%s from selector\n", GST_DEBUG_PAD_NAME(srcpad));
+               if ((!text_selector) && (!audio_selector))
+                       player->no_more_pad = TRUE;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+               __mmplayer_gst_decode_callback (video_selector, srcpad, player);
 
-       /* check current state */
-//     MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_START );
+               debug_log ("unblocking %" GST_PTR_FORMAT, srcpad);
+               gst_pad_set_blocked_async (srcpad, FALSE, __mmplayer_gst_selector_blocked, NULL);
 
+               debug_log("Total video tracks = %d \n", player->selector[MM_PLAYER_TRACK_TYPE_VIDEO].total_track_num);
 
-       /* NOTE : we should check and create pipeline again if not created as we destroy
-        * whole pipeline when stopping in streamming playback
-        */
-       if ( ! player->pipeline )
+               gst_object_unref ( GST_OBJECT(srcpad) );
+               srcpad = NULL;
+       }
+       else
        {
-               if ( MM_ERROR_NONE != __gst_realize( player ) )
+               if ((player->pipeline->videobin) && (player->pipeline->videobin[MMPLAYER_V_BIN].gst))
                {
-                       debug_error("failed to realize before starting. only in streamming\n");
-                       return MM_ERROR_PLAYER_INTERNAL;
+                       debug_log ("There is no video track : remove videobin");
+
+                       __mmplayer_release_signal_connection( player, MM_PLAYER_SIGNAL_TYPE_VIDEOBIN );
+                       __mmplayer_del_sink ( player, player->pipeline->videobin[MMPLAYER_V_SINK].gst );
+
+                       MMPLAYER_RELEASE_ELEMENT ( player, player->pipeline->videobin, MMPLAYER_V_BIN );
+                       MMPLAYER_FREEIF ( player->pipeline->videobin )
                }
        }
 
-       debug_msg("app-src: pushing data\n");
+       if (audio_selector)
+       {
+               #define DEFAULT_TRACK 0
+               active_index = player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].active_pad_index;
+               if ((active_index != DEFAULT_TRACK) &&
+                       (__mmplayer_change_selector_pad(player, MM_PLAYER_TRACK_TYPE_AUDIO, active_index) != MM_ERROR_NONE))
+               {
+                       debug_warning("failed to change audio track\n");
+                       player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].active_pad_index = DEFAULT_TRACK;
+               }
 
-       if ( buf == NULL )
-       {
-               debug_error("buf is null\n");
-               return MM_ERROR_NONE;
-       }
+               // [link] input-selector :: audiobin
+               srcpad = gst_element_get_static_pad (audio_selector, "src");
+               if (!srcpad)
+               {
+                       debug_error("failed to get srcpad from selector\n");
+                       goto ERROR;
+               }
 
-       buffer = gst_buffer_new ();
+               debug_log ("got pad %s:%s from selector\n", GST_DEBUG_PAD_NAME(srcpad));
+               if (!text_selector)
+                       player->no_more_pad = TRUE;
 
-       if (size <= 0)
-       {
-               debug_log("call eos appsrc\n");
-               g_signal_emit_by_name (player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "end-of-stream", &gst_ret);
-               return MM_ERROR_NONE;
-       }
+               if ((player->use_deinterleave == TRUE) && (player->max_audio_channels >= 2))
+               {
+                       debug_log ("unblocking %" GST_PTR_FORMAT, srcpad);
+                       gst_pad_set_blocked_async (srcpad, FALSE, __mmplayer_gst_selector_blocked, NULL);
 
-       GST_BUFFER_DATA(buffer) = (guint8*)(buf);
-       GST_BUFFER_SIZE(buffer) = size;
+                       __mmplayer_gst_build_deinterleave_path(audio_selector, srcpad, player);
+               }
+               else
+               {
+                       __mmplayer_gst_decode_callback (audio_selector, srcpad, player);
 
-       debug_log("feed buffer %p, length %u\n", buf, size);
-       g_signal_emit_by_name (player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "push-buffer", buffer, &gst_ret);
+                       debug_log ("unblocking %" GST_PTR_FORMAT, srcpad);
+                       gst_pad_set_blocked_async (srcpad, FALSE, __mmplayer_gst_selector_blocked, NULL);
+               }
 
-       debug_fleave();
+               debug_log("Total audio tracks = %d \n", player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num);
 
-       return ret;
-}
+               attrs = MMPLAYER_GET_ATTRS(player);
+               if ( attrs )
+               {
+                       mm_attrs_set_int_by_name(attrs, "content_audio_track_num",(gint)player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num);
+                       if (mmf_attrs_commit (attrs))
+                               debug_error("failed to commit.\n");
+               }
+               else
+               {
+                       debug_error("cannot get content attribute");
+               }
+       }
+       else
+       {
+               if ((player->pipeline->audiobin) && (player->pipeline->audiobin[MMPLAYER_A_BIN].gst))
+               {
+                       debug_log ("There is no audio track : remove audiobin");
 
-static GstBusSyncReply
-__mmplayer_bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
-{
-       mm_player_t *player = (mm_player_t *)data;
-       GstElement *sender = (GstElement *) GST_MESSAGE_SRC (message);
-       const gchar *name = gst_element_get_name (sender);
+                       __mmplayer_release_signal_connection( player, MM_PLAYER_SIGNAL_TYPE_AUDIOBIN );
+                       __mmplayer_del_sink ( player, player->pipeline->audiobin[MMPLAYER_A_SINK].gst );
 
-       switch (GST_MESSAGE_TYPE (message))
+                       MMPLAYER_RELEASE_ELEMENT ( player, player->pipeline->audiobin, MMPLAYER_A_BIN );
+                       MMPLAYER_FREEIF ( player->pipeline->audiobin )
+               }
+       }
+
+       if (text_selector)
        {
-               case GST_MESSAGE_TAG:
-                       __mmplayer_gst_extract_tag_from_msg(player, message);
-                       break;
+               __mmplayer_handle_text_decode_path(player, text_selector);
+       }
 
-               case GST_MESSAGE_DURATION:
-                               if (MMPLAYER_IS_STREAMING(player))
-                               {
-                                       GstFormat format;
-                                       gint64 bytes = 0;
+       MMPLAYER_FLEAVE();
 
-                                       gst_message_parse_duration (message, &format, &bytes);
-                                       if (format == GST_FORMAT_BYTES)
-                                       {
-                                               debug_log("data total size of http content: %lld", bytes);
-                                               player->http_content_size = bytes;
-                                       }
-                               }
-                               else
-                               {
-                                       player->need_update_content_attrs = TRUE;
-                                       _mmplayer_update_content_attrs(player);
-                               }
-               default:
-                       return GST_BUS_PASS;
+ERROR:
+       if (srcpad)
+       {
+               gst_object_unref ( GST_OBJECT(srcpad) );
+               srcpad = NULL;
        }
 
-       debug_log("GST_MESSAGE_TAG from %s", name);
-       gst_message_unref (message);
-
-       return GST_BUS_DROP;
+       if (player->pp_rebuilding)
+       {
+               player->pp_rebuilding = FALSE;
+               MMPLAYER_PLAYBACK_UNLOCK(player);
+       }
 }
 
-/**
- * This function is to create  audio or video pipeline for playing.
- *
- * @param      player          [in]    handle of player
- *
- * @return     This function returns zero on success.
- * @remark
- * @see
- */
-static int
-__mmplayer_gst_create_pipeline(mm_player_t* player) // @
+static void
+__mmplayer_gst_decode_callback(GstElement *elem, GstPad *pad, gpointer data) // @
 {
-       GstBus  *bus = NULL;
-       MMPlayerGstElement *mainbin = NULL;
+       mm_player_t* player = NULL;
        MMHandleType attrs = 0;
-       GstElement* element = NULL;
-       GList* element_bucket = NULL;
-       gboolean need_state_holder = TRUE;
-       gint i = 0;
+       GstElement* pipeline = NULL;
+       GstCaps* caps = NULL;
+       gchar* caps_str = NULL;
+       GstStructure* str = NULL;
+       const gchar* name = NULL;
+       GstPad* sinkpad = NULL;
+       GstElement* sinkbin = NULL;
+       gboolean reusing = FALSE;
+       GstElement *text_selector = NULL;
+
+       /* check handles */
+       player = (mm_player_t*) data;
 
-       debug_fenter();
+       return_if_fail( elem && pad );
+       return_if_fail(player && player->pipeline && player->pipeline->mainbin);
 
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       pipeline = player->pipeline->mainbin[MMPLAYER_M_PIPE].gst;
 
-       /* get profile attribute */
        attrs = MMPLAYER_GET_ATTRS(player);
        if ( !attrs )
        {
                debug_error("cannot get content attribute\n");
-               goto INIT_ERROR;
+               goto ERROR;
        }
 
-       /* create pipeline handles */
-       if ( player->pipeline )
+       /* get mimetype from caps */
+       caps = gst_pad_get_caps( pad );
+       if ( !caps )
        {
-               debug_warning("pipeline should be released before create new one\n");
-               goto INIT_ERROR;
+               debug_error("cannot get caps from pad.\n");
+               goto ERROR;
        }
+       caps_str = gst_caps_to_string(caps);
 
-       player->pipeline = (MMPlayerGstPipelineInfo*) g_malloc0( sizeof(MMPlayerGstPipelineInfo) );
-       if (player->pipeline == NULL)
-               goto INIT_ERROR;
-
-       memset( player->pipeline, 0, sizeof(MMPlayerGstPipelineInfo) );
-
+       str = gst_caps_get_structure( caps, 0 );
+       if ( ! str )
+       {
+               debug_error("cannot get structure from capse.\n");
+               goto ERROR;
+       }
 
-       /* create mainbin */
-       mainbin = (MMPlayerGstElement*) g_malloc0( sizeof(MMPlayerGstElement) * MMPLAYER_M_NUM );
-       if (mainbin == NULL)
-               goto INIT_ERROR;
-
-       memset( mainbin, 0, sizeof(MMPlayerGstElement) * MMPLAYER_M_NUM);
-
-
-       /* create pipeline */
-       mainbin[MMPLAYER_M_PIPE].id = MMPLAYER_M_PIPE;
-       mainbin[MMPLAYER_M_PIPE].gst = gst_pipeline_new("player");
-       if ( ! mainbin[MMPLAYER_M_PIPE].gst )
+       name = gst_structure_get_name(str);
+       if ( ! name )
        {
-               debug_error("failed to create pipeline\n");
-               goto INIT_ERROR;
+               debug_error("cannot get mimetype from structure.\n");
+               goto ERROR;
        }
 
+       //debug_log("detected mimetype : %s\n", name);
 
-       /* create source element */
-       switch ( player->profile.uri_type )
+       if (strstr(name, "audio"))
        {
-               /* rtsp streamming */
-               case MM_PLAYER_URI_TYPE_URL_RTSP:
+               if (player->pipeline->audiobin == NULL)
                {
-                       gint udp_timeout, network_bandwidth;
-                       gchar *user_agent, *wap_profile;
-
-                       element = gst_element_factory_make(PLAYER_INI()->name_of_rtspsrc, "streaming_source");
-
-                       if ( !element )
+                       if (MM_ERROR_NONE !=  __mmplayer_gst_create_audio_pipeline(player))
                        {
-                               debug_critical("failed to create streaming source element\n");
-                               break;
+                               debug_error("failed to create audiobin. continuing without audio\n");
+                               goto ERROR;
                        }
 
-                       debug_log("using streamming source [%s].\n", PLAYER_INI()->name_of_rtspsrc);
+                       sinkbin = player->pipeline->audiobin[MMPLAYER_A_BIN].gst;
+                       debug_log("creating audiosink bin success\n");
+               }
+               else
+               {
+                       reusing = TRUE;
+                       sinkbin = player->pipeline->audiobin[MMPLAYER_A_BIN].gst;
+                       debug_log("reusing audiobin\n");
+                       _mmplayer_update_content_attrs( player, ATTR_AUDIO);
+               }
 
-                       /* make it zero */
-                       udp_timeout = network_bandwidth = 0;
-                       user_agent = wap_profile = NULL;
+               if (player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].total_track_num <= 0) // should not update if content have multi audio tracks
+                       mm_attrs_set_int_by_name(attrs, "content_audio_track_num", 1);
 
-                       /* get attribute */
-                       mm_attrs_get_int_by_name ( attrs,"streaming_udp_timeout", &udp_timeout );
-                       mm_attrs_get_string_by_name ( attrs, "streaming_user_agent", &user_agent );
-                       mm_attrs_get_string_by_name ( attrs,"streaming_wap_profile", &wap_profile );
-                       mm_attrs_get_int_by_name ( attrs, "streaming_network_bandwidth", &network_bandwidth );
+               player->audiosink_linked  = 1;
 
-                       debug_log("setting streaming source ----------------\n");
-                       debug_log("udp_timeout : %d\n", udp_timeout);
-                       debug_log("user_agent : %s\n", user_agent);
-                       debug_log("wap_profile : %s\n", wap_profile);
-                       debug_log("network_bandwidth : %d\n", network_bandwidth);
-                       debug_log("buffering time : %d\n", PLAYER_INI()->rtsp_buffering_time);
-                       debug_log("rebuffering time : %d\n", PLAYER_INI()->rtsp_rebuffering_time);
-                       debug_log("-----------------------------------------\n");
+               sinkpad = gst_element_get_static_pad( GST_ELEMENT(sinkbin), "sink" );
+               if ( !sinkpad )
+               {
+                       debug_error("failed to get pad from sinkbin\n");
+                       goto ERROR;
+               }
+       }
+       else if (strstr(name, "video"))
+       {
+               if (strstr(caps_str, "ST12") || strstr(caps_str, "SN12"))
+               {
+                       player->set_mode.video_zc = TRUE;
+               }
 
-                       /* setting property to streaming source */
-                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
-                       g_object_set(G_OBJECT(element), "timeout", udp_timeout, NULL);
-                       g_object_set(G_OBJECT(element), "bandwidth", network_bandwidth, NULL);
-                       g_object_set(G_OBJECT(element), "buffering_time", PLAYER_INI()->rtsp_buffering_time, NULL);
-                       g_object_set(G_OBJECT(element), "rebuffering_time", PLAYER_INI()->rtsp_rebuffering_time, NULL);
-                       if ( user_agent )
-                               g_object_set(G_OBJECT(element), "user_agent", user_agent, NULL);
-                       if ( wap_profile )
-                               g_object_set(G_OBJECT(element), "wap_profile", wap_profile, NULL);
+               if (player->pipeline->videobin == NULL)
+               {
+                       /* NOTE : not make videobin because application dose not want to play it even though file has video stream. */
+                       /* get video surface type */
+                       int surface_type = 0;
+                       mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &surface_type);
 
-                       MMPLAYER_SIGNAL_CONNECT ( player, G_OBJECT(element), "pad-added",
-                               G_CALLBACK (__mmplayer_gst_rtp_dynamic_pad), player );
-                       MMPLAYER_SIGNAL_CONNECT ( player, G_OBJECT(element), "no-more-pads",
-                               G_CALLBACK (__mmplayer_gst_rtp_no_more_pads), player );
+                       if (surface_type == MM_DISPLAY_SURFACE_NULL)
+                       {
+                               debug_log("not make videobin because it dose not want\n");
+                               goto ERROR;
+                       }
 
-                       player->no_more_pad = FALSE;
-                       player->num_dynamic_pad = 0;
+                       if (MM_ERROR_NONE !=  __mmplayer_gst_create_video_pipeline(player, caps, surface_type) )
+                       {
+                               debug_error("failed to create videobin. continuing without video\n");
+                               goto ERROR;
+                       }
 
-                       /* NOTE : we cannot determine it yet. this filed will be filled by
-                        * _mmplayer_update_content_attrs() after START.
-                        */
-                       player->streaming_type = STREAMING_SERVICE_NONE;
+                       sinkbin = player->pipeline->videobin[MMPLAYER_V_BIN].gst;
+                       debug_log("creating videosink bin success\n");
                }
-               break;
-
-               /* http streaming*/
-               case MM_PLAYER_URI_TYPE_URL_HTTP:
+               else
                {
-                       gchar *user_agent, *proxy, *cookies, **cookie_list;
-                       user_agent = proxy = cookies = NULL;
-                       cookie_list = NULL;
-                       gint mode = MM_PLAYER_PD_MODE_NONE;
-
-                       mm_attrs_get_int_by_name ( attrs, "pd_mode", &mode );
-
-                       player->pd_mode = mode;
+                       reusing = TRUE;
+                       sinkbin = player->pipeline->videobin[MMPLAYER_V_BIN].gst;
+                       debug_log("re-using videobin\n");
+                       _mmplayer_update_content_attrs( player, ATTR_VIDEO);
+               }
 
-                       debug_log("http playback, PD mode : %d\n", player->pd_mode);
+               /* FIXIT : track number shouldn't be hardcoded */
+               mm_attrs_set_int_by_name(attrs, "content_video_track_num", 1);
+               player->videosink_linked  = 1;
 
-                       if ( ! MMPLAYER_IS_HTTP_PD(player) )
+               /* NOTE : intermediate code before doing H/W subtitle compositon */
+               if ( player->use_textoverlay && player->play_subtitle )
+               {
+                       debug_log("using textoverlay for external subtitle");
+                       /* check text bin has created well */
+                       if ( player->pipeline && player->pipeline->textbin )
                        {
-                               element = gst_element_factory_make(PLAYER_INI()->name_of_httpsrc, "http_streaming_source");
-                               if ( !element )
+                               /* get sinkpad from textoverlay */
+                               sinkpad = gst_element_get_static_pad(
+                                       GST_ELEMENT(player->pipeline->textbin[MMPLAYER_T_BIN].gst),
+                                       "video_sink" );
+                               if ( ! sinkpad )
                                {
-                                       debug_critical("failed to create http streaming source element[%s].\n", PLAYER_INI()->name_of_httpsrc);
-                                       break;
+                                       debug_error("failed to get sink pad from textoverlay");
+                                       goto ERROR;
                                }
-                               debug_log("using http streamming source [%s].\n", PLAYER_INI()->name_of_httpsrc);
-
-                               /* get attribute */
-                               mm_attrs_get_string_by_name ( attrs, "streaming_cookie", &cookies );
-                               mm_attrs_get_string_by_name ( attrs, "streaming_user_agent", &user_agent );
-                               mm_attrs_get_string_by_name ( attrs, "streaming_proxy", &proxy );
-                               
-                               /* get attribute */
-                               debug_log("setting http streaming source ----------------\n");
-                               debug_log("location : %s\n", player->profile.uri);
-                               debug_log("cookies : %s\n", cookies);
-                               debug_log("proxy : %s\n", proxy);
-                               debug_log("user_agent :  %s\n",  user_agent);
-                               debug_log("timeout : %d\n",  PLAYER_INI()->http_timeout);
-                               debug_log("-----------------------------------------\n");
 
-                               /* setting property to streaming source */
-                               g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
-                               g_object_set(G_OBJECT(element), "timeout", PLAYER_INI()->http_timeout, NULL);
-                               /* check if prosy is vailid or not */
-                               if ( util_check_valid_url ( proxy ) )
-                                       g_object_set(G_OBJECT(element), "proxy", proxy, NULL);
-                               /* parsing cookies */
-                               if ( ( cookie_list = util_get_cookie_list ((const char*)cookies) ) )
-                                       g_object_set(G_OBJECT(element), "cookies", cookie_list, NULL);
-                               if ( user_agent )
-                                       g_object_set(G_OBJECT(element), "user_agent", user_agent, NULL);
-                       }
-                       else // progressive download 
-                       {
-                               if (player->pd_mode == MM_PLAYER_PD_MODE_URI)
+                               /* link new pad with textoverlay first */
+                               if ( GST_PAD_LINK_OK != GST_PAD_LINK(pad, sinkpad) )
                                {
-                                       gchar *path = NULL;
-                                       
-                                       mm_attrs_get_string_by_name ( attrs, "pd_location", &path );
-                                       
-                                       MMPLAYER_FREEIF(player->pd_file_location);
-
-                                       debug_log("PD Location : %s\n", path);
-
-                                       if ( path )
-                                       {
-                                               player->pd_file_location = g_strdup(path);
-                                       }
-                                       else
-                                       {
-                                               debug_error("can't find pd location so, it should be set \n");
-                                               return MM_ERROR_PLAYER_FILE_NOT_FOUND;  
-                                       }
+                                       debug_error("failed to get pad from sinkbin\n");
+                                       goto ERROR;
                                }
 
-                               element = gst_element_factory_make("pdpushsrc", "PD pushsrc");
-                               if ( !element )
+                               gst_object_unref(sinkpad);
+                               sinkpad = NULL;
+
+                               /* alright, override pad to textbin.src for futher link */
+                               pad = gst_element_get_static_pad(
+                                       GST_ELEMENT(player->pipeline->textbin[MMPLAYER_T_BIN].gst),
+                                       "src" );
+                               if ( ! pad )
                                {
-                                       debug_critical("failed to create PD push source element[%s].\n", "pdpushsrc");
-                                       break;
+                                       debug_error("failed to get sink pad from textoverlay");
+                                       goto ERROR;
                                }
-
-                               g_object_set(G_OBJECT(element), "location", player->pd_file_location, NULL);
                        }
-                       
-                       player->streaming_type = STREAMING_SERVICE_NONE;
+                       else
+                       {
+                               debug_error("should not reach here.");
+                               goto ERROR;
+                       }
                }
-               break;
 
-               /* file source */
-               case MM_PLAYER_URI_TYPE_FILE:
+               sinkpad = gst_element_get_static_pad( GST_ELEMENT(sinkbin), "sink" );
+               if ( !sinkpad )
                {
-                       char* drmsrc = PLAYER_INI()->name_of_drmsrc;
-
-                       debug_log("using [%s] for 'file://' handler.\n", drmsrc);
+                       debug_error("failed to get pad from sinkbin\n");
+                       goto ERROR;
+               }
+       }
+       else if (strstr(name, "text"))
+       {
+               if (player->pipeline->textbin == NULL)
+               {
+                       MMPlayerGstElement* mainbin = NULL;
 
-                       element = gst_element_factory_make(drmsrc, "source");
-                       if ( !element )
+                       if (MM_ERROR_NONE !=  __mmplayer_gst_create_text_pipeline(player))
                        {
-                               debug_critical("failed to create %s\n", drmsrc);
-                               break;
+                               debug_error("failed to create textbin. continuing without text\n");
+                               goto ERROR;
                        }
 
-                       g_object_set(G_OBJECT(element), "location", (player->profile.uri)+7, NULL);     /* uri+7 -> remove "file:// */
-                       //g_object_set(G_OBJECT(element), "use-mmap", TRUE, NULL);
-               }
-               break;
+                       sinkbin = player->pipeline->textbin[MMPLAYER_T_BIN].gst;
+                       debug_log("creating textink bin success\n");
 
-#ifdef NO_USE_GST_HLSDEMUX
-               case MM_PLAYER_URI_TYPE_HLS:
-               {
-                       guint64 stream_type = GST_APP_STREAM_TYPE_STREAM;
+                       /* FIXIT : track number shouldn't be hardcoded */
+                       mm_attrs_set_int_by_name(attrs, "content_text_track_num", 1);
 
-                       debug_log("hsl src is selected\n");
+                       player->textsink_linked  = 1;
+                       debug_msg("player->textsink_linked set to 1\n");
 
-                       element = gst_element_factory_make("appsrc", "hls-source");
-                       if ( !element )
+                       sinkpad = gst_element_get_static_pad( GST_ELEMENT(sinkbin), "text_sink" );
+                       if ( !sinkpad )
                        {
-                               debug_critical("failed to create appsrc element\n");
-                               break;
+                               debug_error("failed to get pad from sinkbin\n");
+                               goto ERROR;
                        }
-                       g_object_set( element, "stream-type", stream_type, NULL );
 
-                       // TODO: need to set time based limit instead of bytes (or) remove constraint.... need to investigate more 
-                       g_object_set( element, "max-bytes", 500000, NULL ); // Naveen made queue as un-limited
+                       mainbin = player->pipeline->mainbin;
+
+                       if (!mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst)
+                       {
+                         /* input selector */
+                         text_selector = gst_element_factory_make("input-selector", "subtitle_inselector");
+                         if ( !text_selector )
+                         {
+                           debug_error ( "failed to create subtitle input selector element\n" );
+                           goto ERROR;
+                         }
+                         g_object_set (text_selector, "sync-streams", TRUE, NULL);
+
+                         mainbin[MMPLAYER_M_T_INPUT_SELECTOR].id = MMPLAYER_M_T_INPUT_SELECTOR;
+                         mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst = text_selector;
+
+                         /* warm up */
+                         if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (text_selector, GST_STATE_READY))
+                         {
+                           debug_error("failed to set state(READY) to sinkbin\n");
+                           goto ERROR;
+                         }
+
+                         if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), text_selector))
+                         {
+                           debug_warning("failed to add subtitle input selector\n");
+                           goto ERROR;
+                         }
+
+                         debug_log ("created element input-selector");
+
+                       }
+                       else
+                       {
+                         debug_log ("already having subtitle input selector");
+                         text_selector = mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst;
+                       }
                }
-               break;
-#endif
-               /* appsrc */
-               case MM_PLAYER_URI_TYPE_BUFF:
+               else
                {
-                       guint64 stream_type = GST_APP_STREAM_TYPE_STREAM;
+                       if (!player->textsink_linked)
+                       {
+                               debug_log("re-using textbin\n");
 
-                       debug_log("mem src is selected\n");
+                               reusing = TRUE;
+                               sinkbin = player->pipeline->textbin[MMPLAYER_T_BIN].gst;
 
-                       element = gst_element_factory_make("appsrc", "buff-source");
-                       if ( !element )
+                               player->textsink_linked  = 1;
+                               debug_msg("player->textsink_linked set to 1\n");
+                       }
+                       else
                        {
-                               debug_critical("failed to create appsrc element\n");
-                               break;
+                               debug_log("ignoring internal subtutle since external subtitle is available");
                        }
+               }
+       }
+       else
+       {
+               debug_warning("unknown type of elementary stream! ignoring it...\n");
+               goto ERROR;
+       }
 
-                       g_object_set( element, "stream-type", stream_type, NULL );
-                       //g_object_set( element, "size", player->mem_buf.len, NULL );
-                       //g_object_set( element, "blocksize", (guint64)20480, NULL );
+       if ( sinkbin )
+       {
+               if(!reusing)
+               {
+                       /* warm up */
+                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state( sinkbin, GST_STATE_READY ) )
+                       {
+                               debug_error("failed to set state(READY) to sinkbin\n");
+                               goto ERROR;
+                       }
 
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "seek-data",
-                               G_CALLBACK(__gst_appsrc_seek_data), player);
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "need-data",
-                               G_CALLBACK(__gst_appsrc_feed_data), player);
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "enough-data",
-                               G_CALLBACK(__gst_appsrc_enough_data), player);
+                       /* Added for multi audio support to avoid adding audio bin again*/
+                       /* add */
+                       if ( FALSE == gst_bin_add( GST_BIN(pipeline), sinkbin ) )
+                       {
+                               debug_error("failed to add sinkbin to pipeline\n");
+                               goto ERROR;
+                       }
                }
-               break;
 
-               /* appsrc */
-               case MM_PLAYER_URI_TYPE_MEM:
+               if (text_selector)
                {
-                       guint64 stream_type = GST_APP_STREAM_TYPE_RANDOM_ACCESS;
+                 GstPad *srcpad = NULL;
+
+                 srcpad =  gst_element_get_static_pad(player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst,"src");
+                 if (!srcpad)
+                 {
+                   debug_error ("failed to get source pad");
+                   goto ERROR;
+                 }
+
+                 /* link input selector & textbin */
+                 if (gst_pad_link(srcpad,sinkpad)!= 0)
+                 {
+                   debug_warning("failed to link input selector and textbin ghost pad\n");
+                   goto ERROR;
+                 }
+
+                 sinkpad = gst_element_get_request_pad (player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "sink0");
+                 if (sinkpad == NULL)
+                 {
+                   debug_error ("failed to get request pad from input selector");;
+                   goto ERROR;
+                 }
+               }
 
-                       debug_log("mem src is selected\n");
+               /* link */
+               if (GST_PAD_LINK_OK != GST_PAD_LINK (pad, sinkpad))
+               {
+                       debug_error("failed to get pad from sinkbin\n");
+                       goto ERROR;
+               }
 
-                       element = gst_element_factory_make("appsrc", "mem-source");
-                       if ( !element )
+               if (!reusing)
+               {
+                       /* run */
+                       if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (sinkbin, GST_STATE_PAUSED))
                        {
-                               debug_critical("failed to create appsrc element\n");
-                               break;
+                               debug_error("failed to set state(PLAYING) to sinkbin\n");
+                               goto ERROR;
                        }
 
-                       g_object_set( element, "stream-type", stream_type, NULL );
-                       g_object_set( element, "size", player->mem_buf.len, NULL );
-                       g_object_set( element, "blocksize", (guint64)20480, NULL );
-
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "seek-data",
-                               G_CALLBACK(__gst_appsrc_seek_data_mem), &player->mem_buf );
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "need-data",
-                               G_CALLBACK(__gst_appsrc_feed_data_mem), &player->mem_buf );
+                       if (text_selector)
+                       {
+                         if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (text_selector, GST_STATE_PAUSED))
+                         {
+                           debug_error("failed to set state(READY) to sinkbin\n");
+                           goto ERROR;
+                         }
+                       }
                }
-               break;
-               case MM_PLAYER_URI_TYPE_URL:
-               break;
-
-               case MM_PLAYER_URI_TYPE_TEMP:
-               break;
 
-               case MM_PLAYER_URI_TYPE_NONE:
-               default:
-               break;
+               gst_object_unref (sinkpad);
+               sinkpad = NULL;
        }
 
-       /* check source element is OK */
-       if ( ! element )
-       {
-               debug_critical("no source element was created.\n");
-               goto INIT_ERROR;
-       }
+       debug_log ("linking sink bin success\n");
 
-       /* take source element */
-       mainbin[MMPLAYER_M_SRC].id = MMPLAYER_M_SRC;
-       mainbin[MMPLAYER_M_SRC].gst = element;
-       element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_SRC]);
+       /* FIXIT : we cannot hold callback for 'no-more-pad' signal because signal was emitted in
+        * streaming task. if the task blocked, then buffer will not flow to the next element
+        * ( autoplugging element ). so this is special hack for streaming. please try to remove it
+        */
+       /* dec stream count. we can remove fakesink if it's zero */
+       if (player->num_dynamic_pad)
+               player->num_dynamic_pad--;
 
-       if (MMPLAYER_IS_STREAMING(player) || (player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS))
-       {
-               player->streamer = __mm_player_streaming_create();
-               __mm_player_streaming_initialize(player->streamer);
-       }
+       debug_log ("no more pads: %d stream count dec : %d (num of dynamic pad)\n", player->no_more_pad, player->num_dynamic_pad);
 
-       if ( player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS )
+       if ((player->no_more_pad) && (player->num_dynamic_pad == 0))
        {
-               debug_log ("adding appsrc's pad probe...\n");
-               GstPad *pad = NULL;
-              pad = gst_element_get_static_pad(mainbin[MMPLAYER_M_SRC].gst, "src" );
-
-               /* register probe */
-               ahs_appsrc_cb_probe_id = gst_pad_add_buffer_probe (pad, 
-                       G_CALLBACK (__mmplayer_ahs_appsrc_probe), player);
-                               
-               gst_object_unref(pad);
-               pad = NULL;
-       }
-
-       if ( MMPLAYER_IS_HTTP_PD(player) )
-       {       
-              debug_log ("Picked queue2 element....\n");
-               element = gst_element_factory_make("queue2", "hls_stream_buffer");
-               if ( !element )
-               {
-                       debug_critical ( "failed to create http streaming buffer element\n" );
-                       goto INIT_ERROR;
-               }
-                       
-               /* take it */
-               mainbin[MMPLAYER_M_S_BUFFER].id = MMPLAYER_M_S_BUFFER;
-               mainbin[MMPLAYER_M_S_BUFFER].gst = element;
-               element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_S_BUFFER]);
-
-               __mm_player_streaming_set_buffer(player->streamer,
-                               element,
-                               TRUE,
-                               PLAYER_INI()->http_max_size_bytes,
-                               1.0,
-                               PLAYER_INI()->http_buffering_limit,
-                               PLAYER_INI()->http_buffering_time,
-                               FALSE,
-                               NULL,
-                               0);
+               __mmplayer_pipeline_complete (NULL, player);
        }
 
-       /* create autoplugging element if src element is not a streamming src */
-       if ( player->profile.uri_type != MM_PLAYER_URI_TYPE_URL_RTSP )
+       /* FIXIT : please leave a note why this code is needed */
+       if(MMPLAYER_IS_WFD_STREAMING( player ))
        {
-               element = NULL;
+               player->no_more_pad = TRUE;
+       }
 
-               if( PLAYER_INI()->use_decodebin )
-               {
-                       /* create decodebin */
-                       element = gst_element_factory_make("decodebin", "decodebin");
+ERROR:
 
-                       g_object_set(G_OBJECT(element), "async-handling", TRUE, NULL);
+       MMPLAYER_FREEIF(caps_str);
 
-                       /* set signal handler */
-                       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(element), "new-decoded-pad",
-                                       G_CALLBACK(__mmplayer_gst_decode_callback), player);
+       if ( caps )
+               gst_caps_unref( caps );
 
-                       /* we don't need state holder, bcz decodebin is doing well by itself */
-                       need_state_holder = FALSE;
-               }
-               else
-               {
-                       element = gst_element_factory_make("typefind", "typefinder");
-                       MMPLAYER_SIGNAL_CONNECT( player, element, "have-type",
-                               G_CALLBACK(__mmplayer_typefind_have_type), (gpointer)player );
-               }
+       if ( sinkpad )
+               gst_object_unref(GST_OBJECT(sinkpad));
 
-               /* check autoplug element is OK */
-               if ( ! element )
-               {
-                       debug_critical("can not create autoplug element\n");
-                       goto INIT_ERROR;
-               }
+       /* flusing out new attributes */
+       if (  mmf_attrs_commit ( attrs ) )
+       {
+               debug_error("failed to comit attributes\n");
+       }
 
-               mainbin[MMPLAYER_M_AUTOPLUG].id = MMPLAYER_M_AUTOPLUG;
-               mainbin[MMPLAYER_M_AUTOPLUG].gst = element;
+       return;
+}
 
-               element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_AUTOPLUG]);
-       }
+static gboolean
+__mmplayer_get_property_value_for_rotation(mm_player_t* player, int rotation_angle, int *value)
+{
+       int pro_value = 0; // in the case of expection, default will be returned.
+       int dest_angle = rotation_angle;
+       int rotation_type = -1;
+       #define ROTATION_USING_SINK 0
+       #define ROTATION_USING_CUSTOM 1
+       #define ROTATION_USING_FLIP     2
 
+       return_val_if_fail(player, FALSE);
+       return_val_if_fail(value, FALSE);
+       return_val_if_fail(rotation_angle >= 0, FALSE);
 
-       /* add elements to pipeline */
-       if( !__mmplayer_gst_element_add_bucket_to_bin(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element_bucket))
+       if (rotation_angle >= 360)
        {
-               debug_error("Failed to add elements to pipeline\n");
-               goto INIT_ERROR;
+               dest_angle = rotation_angle - 360;
        }
 
-
-       /* linking elements in the bucket by added order. */
-       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+       /* chech if supported or not */
+       if ( dest_angle % 90 )
        {
-               debug_error("Failed to link some elements\n");
-               goto INIT_ERROR;
+               debug_log("not supported rotation angle = %d", rotation_angle);
+               return FALSE;
        }
 
-
-       /* create fakesink element for keeping the pipeline state PAUSED. if needed */
-       if ( need_state_holder )
+       /*
+         * xvimagesink only     (A)
+         * custom_convert - no xv (e.g. memsink, evasimagesink  (B)
+         * videoflip - avsysmemsink (C)
+         */
+       if (player->set_mode.video_zc)
        {
-               /* create */
-               mainbin[MMPLAYER_M_SRC_FAKESINK].id = MMPLAYER_M_SRC_FAKESINK;
-               mainbin[MMPLAYER_M_SRC_FAKESINK].gst = gst_element_factory_make ("fakesink", "state-holder");
-
-               if (!mainbin[MMPLAYER_M_SRC_FAKESINK].gst)
+               if (player->pipeline->videobin[MMPLAYER_V_CONV].gst) // B
                {
-                       debug_error ("fakesink element could not be created\n");
-                       goto INIT_ERROR;
+                       rotation_type = ROTATION_USING_CUSTOM;
                }
-               GST_OBJECT_FLAG_UNSET (mainbin[MMPLAYER_M_SRC_FAKESINK].gst, GST_ELEMENT_IS_SINK);
-
-               /* take ownership of fakesink. we are reusing it */
-               gst_object_ref( mainbin[MMPLAYER_M_SRC_FAKESINK].gst );
-
-               /* add */
-               if ( FALSE == gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst),
-                       mainbin[MMPLAYER_M_SRC_FAKESINK].gst) )
+               else // A
                {
-                       debug_error("failed to add fakesink to bin\n");
-                       goto INIT_ERROR;
+                       rotation_type = ROTATION_USING_SINK;
                }
        }
-
-       /* now we have completed mainbin. take it */
-       player->pipeline->mainbin = mainbin;
-
-       /* connect bus callback */
-       bus = gst_pipeline_get_bus(GST_PIPELINE(mainbin[MMPLAYER_M_PIPE].gst));
-       if ( !bus )
+       else
        {
-               debug_error ("cannot get bus from pipeline.\n");
-               goto INIT_ERROR;
-       }
-       player->bus_watcher = gst_bus_add_watch(bus, (GstBusFunc)__mmplayer_gst_callback, player);
+               int surface_type = 0;
+               rotation_type = ROTATION_USING_FLIP;
 
-       /* Note : check whether subtitle atrribute uri is set. If uri is set, then create the text pipeline */
-       if ( __mmplayer_check_subtitle ( player ) )
-       {
-               debug_log("try to create subtitle pipeline \n");
+               mm_attrs_get_int_by_name(player->attrs, "display_surface_type", &surface_type);
+               debug_log("check display surface type attribute: %d", surface_type);
 
-               if ( MM_ERROR_NONE != __mmplayer_gst_create_subtitle_pipeline(player) )
-                       debug_error("fail to create subtitle pipeline")
+               if ((surface_type == MM_DISPLAY_SURFACE_X) ||
+                       (surface_type == MM_DISPLAY_SURFACE_EVAS && !strcmp(player->ini.videosink_element_evas, "evaspixmapsink")))
+               {
+                       rotation_type = ROTATION_USING_SINK;
+               }
                else
-                       debug_log("subtitle pipeline is created successfully\n");
-       }
-
-       /* set sync handler to get tag synchronously */
-       gst_bus_set_sync_handler(bus, __mmplayer_bus_sync_callback, player);
-
-
-       /* finished */
-       gst_object_unref(GST_OBJECT(bus));
-       g_list_free(element_bucket);
-
-       debug_fleave();
-
-       return MM_ERROR_NONE;
-
-INIT_ERROR:
+               {
+                       rotation_type = ROTATION_USING_FLIP; //C
+               }
 
-       __mmplayer_gst_destroy_pipeline(player);
-       g_list_free(element_bucket);
+               debug_log("using %d type for rotation", rotation_type);
+       }
 
-       /* release element which are not added to bin */
-       for ( i = 1; i < MMPLAYER_M_NUM; i++ )  /* NOTE : skip pipeline */
+       /* get property value for setting */
+       switch(rotation_type)
        {
-               if ( mainbin[i].gst )
-               {
-                       GstObject* parent = NULL;
-                       parent = gst_element_get_parent( mainbin[i].gst );
-
-                       if ( !parent )
+               case ROTATION_USING_SINK: // xvimagesink, pixmap
                        {
-                               gst_object_unref(GST_OBJECT(mainbin[i].gst));
-                               mainbin[i].gst = NULL;
+                               switch (dest_angle)
+                               {
+                                       case 0:
+                                               break;
+                                       case 90:
+                                               pro_value = 3; // clockwise 90
+                                               break;
+                                       case 180:
+                                               pro_value = 2;
+                                               break;
+                                       case 270:
+                                               pro_value = 1; // counter-clockwise 90
+                                               break;
+                               }
                        }
-                       else
+                       break;
+               case ROTATION_USING_CUSTOM:
                        {
-                               gst_object_unref(GST_OBJECT(parent));
+                               gchar *ename = NULL;
+                               ename = GST_PLUGIN_FEATURE_NAME(gst_element_get_factory(player->pipeline->videobin[MMPLAYER_V_CONV].gst));
+
+                               if (g_strrstr(ename, "fimcconvert"))
+                               {
+                                       switch (dest_angle)
+                                       {
+                                               case 0:
+                                                       break;
+                                               case 90:
+                                                       pro_value = 90; // clockwise 90
+                                                       break;
+                                               case 180:
+                                                       pro_value = 180;
+                                                       break;
+                                               case 270:
+                                                       pro_value = 270; // counter-clockwise 90
+                                                       break;
+                                       }
+                               }
                        }
-               }
-       }
+                       break;
+               case ROTATION_USING_FLIP: // videoflip
+                       {
+                                       switch (dest_angle)
+                                       {
 
-       /* release pipeline with it's childs */
-       if ( mainbin[MMPLAYER_M_PIPE].gst )
-       {
-               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_PIPE].gst));
+                                               case 0:
+                                                       break;
+                                               case 90:
+                                                       pro_value = 1; // clockwise 90
+                                                       break;
+                                               case 180:
+                                                       pro_value = 2;
+                                                       break;
+                                               case 270:
+                                                       pro_value = 3; // counter-clockwise 90
+                                                       break;
+                                       }
+                       }
+                       break;
        }
 
-       MMPLAYER_FREEIF( player->pipeline );
-       MMPLAYER_FREEIF( mainbin );
+       debug_log("setting rotation property value : %d, used rotation type : %d", pro_value, rotation_type);
 
-       return MM_ERROR_PLAYER_INTERNAL;
-}
+       *value = pro_value;
 
+       return TRUE;
+}
 
-static int
-__mmplayer_gst_destroy_pipeline(mm_player_t* player) // @
+int
+_mmplayer_update_video_param(mm_player_t* player) // @
 {
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
-       int i = 0;
+       MMHandleType attrs = 0;
+       int surface_type = 0;
+       int org_angle = 0; // current supported angle values are 0, 90, 180, 270
+       int user_angle = 0;
+       int user_angle_type= 0;
+       int rotation_value = 0;
 
-       debug_fenter();
-       
-       return_val_if_fail ( player, MM_ERROR_INVALID_HANDLE );
+       MMPLAYER_FENTER();
 
-       /* cleanup stuffs */
-       MMPLAYER_FREEIF(player->type);
-       player->have_dynamic_pad = FALSE;
-       player->no_more_pad = FALSE;
-       player->num_dynamic_pad = 0;
-       player->last_position = 0;
-       player->duration = 0;
-       player->http_content_size = 0;
-       player->not_supported_codec = MISSING_PLUGIN_NONE;
-       player->can_support_codec = FOUND_PLUGIN_NONE;
-       player->not_found_demuxer = 0;
-       if (player->v_stream_caps)
+       /* check video sinkbin is created */
+       return_val_if_fail ( player &&
+               player->pipeline &&
+               player->pipeline->videobin &&
+               player->pipeline->videobin[MMPLAYER_V_BIN].gst &&
+               player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+               MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
        {
-               gst_caps_unref(player->v_stream_caps);
-               player->v_stream_caps = NULL;
+               debug_error("cannot get content attribute");
+               return MM_ERROR_PLAYER_INTERNAL;
        }
-       
-       player->state_lost = FALSE;
-       player->need_update_content_dur = FALSE;
 
-       player->pending_seek.is_pending = FALSE;
-       player->pending_seek.format = MM_PLAYER_POS_FORMAT_TIME;
-       player->pending_seek.pos = 0;
+       /* update user roation */
+       mm_attrs_get_int_by_name(attrs, "display_rotation", &user_angle_type);
 
-       if (ahs_appsrc_cb_probe_id )
+       /* get angle with user type */
+       switch(user_angle_type)
        {
-               GstPad *pad = NULL;
-               pad = gst_element_get_static_pad(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "src" );
-
-               gst_pad_remove_buffer_probe (pad, ahs_appsrc_cb_probe_id);
-               gst_object_unref(pad);
-               pad = NULL;
-               ahs_appsrc_cb_probe_id = 0;
+               case MM_DISPLAY_ROTATION_NONE:
+                       user_angle = 0;
+                       break;
+               case MM_DISPLAY_ROTATION_90: // counter-clockwise 90
+                       user_angle = 270;
+                       break;
+               case MM_DISPLAY_ROTATION_180:
+                       user_angle = 180;
+                       break;
+               case MM_DISPLAY_ROTATION_270: // clockwise 90
+                       user_angle = 90;
+                       break;
        }
 
-       /* free request pads for multi-surface */
-       if (player->use_multi_surface && player->pipeline && player->pipeline->videobin[MMPLAYER_V_TEE].gst)
+       /* get original orientation */
+       if (player->v_stream_caps)
        {
-               for (i = 0 ; i < 2 ; i++)
+               GstStructure *str = NULL;
+
+               str = gst_caps_get_structure (player->v_stream_caps, 0);
+               if ( !gst_structure_get_int (str, "orientation", &org_angle))
                {
-                       if (player->tee_src_pad[i])
-                       {
-                               gst_element_release_request_pad (player->pipeline->videobin[MMPLAYER_V_TEE].gst, player->tee_src_pad[i]);
-                               gst_object_unref(player->tee_src_pad[i]);
-                       }
+                       debug_log ("missing 'orientation' field in video caps");
                }
-               player->use_multi_surface = FALSE;
-               debug_log("release request pads from TEE, and unref TEE's src pads");
        }
 
-       if ( player->sink_elements )
-               g_list_free ( player->sink_elements );
-       player->sink_elements = NULL;
+       debug_log("check user angle: %d, orientation: %d", user_angle, org_angle);
 
-       /* cleanup unlinked mime type */
-       MMPLAYER_FREEIF(player->unlinked_audio_mime);
-       MMPLAYER_FREEIF(player->unlinked_video_mime);
-       MMPLAYER_FREEIF(player->unlinked_demuxer_mime); 
+       /* check video stream callback is used */
+       if(!player->set_mode.media_packet_video_stream && player->use_video_stream )
+       {
+               if (player->set_mode.video_zc)
+               {
+                       gchar *ename = NULL;
+                       int width = 0;
+                       int height = 0;
 
-       /* cleanup running stuffs */
-       __mmplayer_cancel_delayed_eos( player );
+                       mm_attrs_get_int_by_name(attrs, "display_width", &width);
+                       mm_attrs_get_int_by_name(attrs, "display_height", &height);
 
-       /* cleanup gst stuffs */
-       if ( player->pipeline )
-       {
-               MMPlayerGstElement* mainbin = player->pipeline->mainbin;
-               GstTagList* tag_list = player->pipeline->tag_list;
-               GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (mainbin[MMPLAYER_M_PIPE].gst));
+                       /* resize video frame with requested values for fimcconvert */
+                       ename = GST_PLUGIN_FEATURE_NAME(gst_element_get_factory(player->pipeline->videobin[MMPLAYER_V_CONV].gst));
 
-               /* first we need to disconnect all signal hander */
-               __mmplayer_release_signal_connection( player );
+                       if (ename && g_strrstr(ename, "fimcconvert"))
+                       {
+                               if (width)
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "dst-width", width, NULL);
 
-               /* disconnecting bus watch */
-               if ( player->bus_watcher )
-                       g_source_remove( player->bus_watcher );
-               player->bus_watcher = 0;
+                               if (height)
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "dst-height", height, NULL);
 
-               gst_bus_set_sync_handler (bus, NULL, NULL);
+                               /* NOTE: fimcconvert does not manage index of src buffer from upstream src-plugin, decoder gives frame information in output buffer with no ordering */
+                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-rand-idx", TRUE, NULL);
 
-               if ( mainbin )
-               {
-                       MMPlayerGstElement* audiobin = player->pipeline->audiobin;
-                       MMPlayerGstElement* videobin = player->pipeline->videobin;
-                       MMPlayerGstElement* textbin = player->pipeline->textbin;
-                       MMPlayerGstElement* subtitlebin = player->pipeline->subtitlebin;
+                               /* get rotation value to set */
+                               __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
 
-                       debug_log("pipeline status before set state to NULL\n");
-                       __mmplayer_dump_pipeline_state( player );
+                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "rotate", rotation_value, NULL);
 
-                       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
-                       ret = __mmplayer_gst_set_state ( player, mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_NULL, FALSE, timeout );
-                       if ( ret != MM_ERROR_NONE )
-                       {
-                               debug_error("fail to change state to NULL\n");
-                               return MM_ERROR_PLAYER_INTERNAL;
+                               debug_log("updating fimcconvert - r[%d], w[%d], h[%d]", rotation_value, width, height);
                        }
+               }
+               else
+               {
+                       debug_log("using video stream callback with memsink. player handle : [%p]", player);
 
-                       debug_log("pipeline status before unrefering pipeline\n");
-                       __mmplayer_dump_pipeline_state( player );
+                       /* get rotation value to set */
+                       __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
 
-                       gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_PIPE].gst));
-
-                       /* free fakesink */
-                       if ( mainbin[MMPLAYER_M_SRC_FAKESINK].gst )
-                               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_SRC_FAKESINK].gst));
-
-                       /* free avsysaudiosink
-                          avsysaudiosink should be unref when destory pipeline just after start play with BT.
-                          Because audiosink is created but never added to bin, and therefore it will not be unref when pipeline is destroyed.
-                       */
-                       MMPLAYER_FREEIF( audiobin );
-                       MMPLAYER_FREEIF( videobin );
-                       MMPLAYER_FREEIF( textbin );
-                       MMPLAYER_FREEIF( mainbin );
+                       g_object_set(player->pipeline->videobin[MMPLAYER_V_FLIP].gst, "method", rotation_value, NULL);
                }
 
-               if ( tag_list )
-                       gst_tag_list_free(tag_list);
-
-               MMPLAYER_FREEIF( player->pipeline );
+               return MM_ERROR_NONE;
        }
 
-       player->pipeline_is_constructed = FALSE;
-       
-       debug_fleave();
-
-       return ret;
-}
-
-static int __gst_realize(mm_player_t* player) // @
-{
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
+       /* update display surface */
+       mm_attrs_get_int_by_name(attrs, "display_surface_type", &surface_type);
+       debug_log("check display surface type attribute: %d", surface_type);
 
-       debug_fenter();
+       /* configuring display */
+       switch ( surface_type )
+       {
+               case MM_DISPLAY_SURFACE_X:
+               {
+                       /* ximagesink or xvimagesink */
+                       void *xid = NULL;
+                       double zoom = 0;
+                       int display_method = 0;
+                       int roi_x = 0;
+                       int roi_y = 0;
+                       int roi_w = 0;
+                       int roi_h = 0;
+                       int src_crop_x = 0;
+                       int src_crop_y = 0;
+                       int src_crop_w = 0;
+                       int src_crop_h = 0;
+                       int force_aspect_ratio = 0;
+                       gboolean visible = TRUE;
 
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+                       /* common case if using x surface */
+                       mm_attrs_get_data_by_name(attrs, "display_overlay", &xid);
+                       if ( xid )
+                       {
+                               int xwin_id = 0;
+                               xwin_id = *(int*)xid;
+                               debug_log("set video param : xid %d", *(int*)xid);
+                               if (xwin_id)
+                               {
+                                       gst_x_overlay_set_xwindow_id( GST_X_OVERLAY( player->pipeline->videobin[MMPLAYER_V_SINK].gst ), *(int*)xid );
+                               }
+                       }
+                       else
+                       {
+                               /* FIXIT : is it error case? */
+                               debug_warning("still we don't have xid on player attribute. create it's own surface.");
+                       }
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
-       MMPLAYER_PRINT_STATE(player);   
+                       /* if xvimagesink */
+                       if (!strcmp(player->ini.videosink_element_x,"xvimagesink"))
+                       {
+                               mm_attrs_get_int_by_name(attrs, "display_force_aspect_ration", &force_aspect_ratio);
+                               mm_attrs_get_double_by_name(attrs, "display_zoom", &zoom);
+                               mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
+                               mm_attrs_get_int_by_name(attrs, "display_src_crop_x", &src_crop_x);
+                               mm_attrs_get_int_by_name(attrs, "display_src_crop_y", &src_crop_y);
+                               mm_attrs_get_int_by_name(attrs, "display_src_crop_width", &src_crop_w);
+                               mm_attrs_get_int_by_name(attrs, "display_src_crop_height", &src_crop_h);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_x", &roi_x);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_y", &roi_y);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_width", &roi_w);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_height", &roi_h);
+                               mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
+                               #define DEFAULT_DISPLAY_MODE    2       // TV only, PRI_VIDEO_OFF_AND_SEC_VIDEO_FULL_SCREEN
 
-       __ta__("__mmplayer_gst_create_pipeline",
-               ret = __mmplayer_gst_create_pipeline(player);
-               if ( ret )
-               {
-                       debug_critical("failed to create pipeline\n");
-                       return ret;
-               }
-       )
+                               /* setting for cropping media source */
+                               if (src_crop_w && src_crop_h)
+                               {
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                               "src-crop-x", src_crop_x,
+                                               "src-crop-y", src_crop_y,
+                                               "src-crop-w", src_crop_w,
+                                               "src-crop-h", src_crop_h,
+                                               NULL );
+                               }
 
-       /* set pipeline state to READY */
-       /* NOTE : state change to READY must be performed sync. */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
-       ret = __mmplayer_gst_set_state(player,
-                               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_READY, FALSE, timeout);
+                               /* setting for ROI mode */
+                               if (display_method == 5)        // 5 for ROI mode
+                               {
+                                       int roi_mode = 0;
+                                       mm_attrs_get_int_by_name(attrs, "display_roi_mode", &roi_mode);
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                               "dst-roi-mode", roi_mode,
+                                               "dst-roi-x", roi_x,
+                                               "dst-roi-y", roi_y,
+                                               "dst-roi-w", roi_w,
+                                               "dst-roi-h", roi_h,
+                                               NULL );
+                                       /* get rotation value to set,
+                                          do not use org_angle because ROI mode in xvimagesink needs both a rotation value and an orientation value */
+                                       __mmplayer_get_property_value_for_rotation(player, user_angle, &rotation_value);
+                               }
+                               else
+                               {
+                                       /* get rotation value to set */
+                                       __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
+                               }
 
-       if (MMPLAYER_PLAY_SUBTITLE(player))
-               ret = __mmplayer_gst_set_state(player,
-                                       player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, GST_STATE_READY, FALSE, timeout);
+                               g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                       "force-aspect-ratio", force_aspect_ratio,
+                                       "zoom", (float)zoom,
+                                       "orientation", org_angle/90, // setting for orientation of media, it is used for ROI/ZOOM feature in xvimagesink
+                                       "rotate", rotation_value,
+                                       "handle-events", TRUE,
+                                       "display-geometry-method", display_method,
+                                       "draw-borders", FALSE,
+                                       "visible", visible,
+                                       "display-mode", DEFAULT_DISPLAY_MODE,
+                                       NULL );
 
-       if ( ret != MM_ERROR_NONE )
-       {
-               /* return error if failed to set state */
-               debug_error("failed to set state PAUSED (live : READY).\n");
+                               debug_log("set video param : zoom %lf, rotate %d, method %d visible %d", zoom, rotation_value, display_method, visible);
+                               debug_log("set video param : dst-roi-x: %d, dst-roi-y: %d, dst-roi-w: %d, dst-roi-h: %d", roi_x, roi_y, roi_w, roi_h );
+                               debug_log("set video param : force aspect ratio %d, display mode %d", force_aspect_ratio, DEFAULT_DISPLAY_MODE);
+                       }
+               }
+               break;
+               case MM_DISPLAY_SURFACE_EVAS:
+               {
+                       void *object = NULL;
+                       int scaling = 0;
+                       gboolean visible = TRUE;
+                       int display_method = 0;
 
-               /* dump state of all element */
-               __mmplayer_dump_pipeline_state( player );
+                       /* common case if using evas surface */
+                       mm_attrs_get_data_by_name(attrs, "display_overlay", &object);
+                       mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
+                       mm_attrs_get_int_by_name(attrs, "display_evas_do_scaling", &scaling);
+                       mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
 
-               return ret;
-       }
-       else 
-       {
-               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_READY );
-       }
+                       /* if evasimagesink */
+                       if (!strcmp(player->ini.videosink_element_evas,"evasimagesink"))
+                       {
+                               if (object)
+                               {
+                                       /* if it is evasimagesink, we are not supporting rotation */
+                                       if (user_angle_type!=MM_DISPLAY_ROTATION_NONE)
+                                       {
+                                               mm_attrs_set_int_by_name(attrs, "display_rotation", MM_DISPLAY_ROTATION_NONE);
+                                               if (mmf_attrs_commit (attrs)) /* return -1 if error */
+                                                       debug_error("failed to commit\n");
+                                               debug_warning("unsupported feature");
+                                               return MM_ERROR_NOT_SUPPORT_API;
+                                       }
+                                       __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                                       "evas-object", object,
+                                                       "visible", visible,
+                                                       "display-geometry-method", display_method,
+                                                       "rotate", rotation_value,
+                                                       NULL);
+                                       debug_log("set video param : method %d", display_method);
+                                       debug_log("set video param : evas-object %x, visible %d", object, visible);
+                                       debug_log("set video param : evas-object %x, rotate %d", object, rotation_value);
+                               }
+                               else
+                               {
+                                       debug_error("no evas object");
+                                       return MM_ERROR_PLAYER_INTERNAL;
+                               }
 
-       /* create dot before error-return. for debugging */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-realize" );
 
-       debug_fleave();
+                               /* if evasimagesink using converter */
+                               if (player->set_mode.video_zc && player->pipeline->videobin[MMPLAYER_V_CONV].gst)
+                               {
+                                       int width = 0;
+                                       int height = 0;
+                                       int no_scaling = !scaling;
 
-       return ret;
-}
+                                       mm_attrs_get_int_by_name(attrs, "display_width", &width);
+                                       mm_attrs_get_int_by_name(attrs, "display_height", &height);
 
-static int __gst_unrealize(mm_player_t* player) // @
-{
-       int ret = MM_ERROR_NONE;
+                                       /* NOTE: fimcconvert does not manage index of src buffer from upstream src-plugin, decoder gives frame information in output buffer with no ordering */
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "src-rand-idx", TRUE, NULL);
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "dst-buffer-num", 5, NULL);
 
-       debug_fenter();
+                                       if (no_scaling)
+                                       {
+                                               /* no-scaling order to fimcconvert, original width, height size of media src will be passed to sink plugin */
+                                               g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst,
+                                                               "dst-width", 0, /* setting 0, output video width will be media src's width */
+                                                               "dst-height", 0, /* setting 0, output video height will be media src's height */
+                                                               NULL);
+                                       }
+                                       else
+                                       {
+                                               /* scaling order to fimcconvert */
+                                               if (width)
+                                               {
+                                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "dst-width", width, NULL);
+                                               }
+                                               if (height)
+                                               {
+                                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_CONV].gst, "dst-height", height, NULL);
+                                               }
+                                               debug_log("set video param : video frame scaling down to width(%d) height(%d)", width, height);
+                                       }
+                                       debug_log("set video param : display_evas_do_scaling %d", scaling);
+                               }
+                       }
 
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+                       /* if evaspixmapsink */
+                       if (!strcmp(player->ini.videosink_element_evas,"evaspixmapsink"))
+                       {
+                               if (object)
+                               {
+                                       __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
+                                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                                       "evas-object", object,
+                                                       "visible", visible,
+                                                       "display-geometry-method", display_method,
+                                                       "rotate", rotation_value,
+                                                       NULL);
+                                       debug_log("set video param : method %d", display_method);
+                                       debug_log("set video param : evas-object %x, visible %d", object, visible);
+                                       debug_log("set video param : evas-object %x, rotate %d", object, rotation_value);
+                               }
+                               else
+                               {
+                                       debug_error("no evas object");
+                                       return MM_ERROR_PLAYER_INTERNAL;
+                               }
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NULL;
-       MMPLAYER_PRINT_STATE(player);   
+                               int display_method = 0;
+                               int roi_x = 0;
+                               int roi_y = 0;
+                               int roi_w = 0;
+                               int roi_h = 0;
+                               int origin_size = !scaling;
 
-       player->use_video_stream = FALSE;
-       player->video_stream_cb = NULL;
-       player->video_stream_cb_user_param = NULL;
+                               mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_x", &roi_x);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_y", &roi_y);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_width", &roi_w);
+                               mm_attrs_get_int_by_name(attrs, "display_roi_height", &roi_h);
 
-       player->audio_stream_cb = NULL;
-       player->audio_stream_cb_user_param = NULL;
+                               /* get rotation value to set */
+                               __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
 
-       player->audio_buffer_cb = NULL;
-       player->audio_buffer_cb_user_param = NULL;
+                               g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                       "origin-size", origin_size,
+                                       "rotate", rotation_value,
+                                       "dst-roi-x", roi_x,
+                                       "dst-roi-y", roi_y,
+                                       "dst-roi-w", roi_w,
+                                       "dst-roi-h", roi_h,
+                                       "display-geometry-method", display_method,
+                                       NULL );
 
-       player->sent_bos = FALSE;
-       player->playback_rate = DEFAULT_PLAYBACK_RATE;
+                               debug_log("set video param : method %d", display_method);
+                               debug_log("set video param : dst-roi-x: %d, dst-roi-y: %d, dst-roi-w: %d, dst-roi-h: %d",
+                                                               roi_x, roi_y, roi_w, roi_h );
+                               debug_log("set video param : display_evas_do_scaling %d (origin-size %d)", scaling, origin_size);
+                       }
+               }
+               break;
+               case MM_DISPLAY_SURFACE_X_EXT:  /* NOTE : this surface type is used for the videoTexture(canvasTexture) overlay */
+               {
+                       void *pixmap_id_cb = NULL;
+                       void *pixmap_id_cb_user_data = NULL;
+                       int display_method = 0;
+                       gboolean visible = TRUE;
 
-       /* clean found parsers */
-       if (player->parsers)
-       {
-               g_list_free(player->parsers);
-               player->parsers = NULL;
-       }
+                       /* if xvimagesink */
+                       if (strcmp(player->ini.videosink_element_x,"xvimagesink"))
+                       {
+                               debug_error("videosink is not xvimagesink");
+                               return MM_ERROR_PLAYER_INTERNAL;
+                       }
 
-       MMPLAYER_FREEIF(player->album_art);
+                       /* get information from attributes */
+                       mm_attrs_get_data_by_name(attrs, "display_overlay", &pixmap_id_cb);
+                       mm_attrs_get_data_by_name(attrs, "display_overlay_user_data", &pixmap_id_cb_user_data);
+                       mm_attrs_get_int_by_name(attrs, "display_method", &display_method);
+                       mm_attrs_get_int_by_name(attrs, "display_visible", &visible);
 
-       /* destroy pipeline */
-       ret = __mmplayer_gst_destroy_pipeline( player );
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("failed to destory pipeline\n");
-               return ret;
-       }
-       else 
-       {
-               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_NULL );
+                       if ( pixmap_id_cb )
+                       {
+                               debug_log("set video param : display_overlay(0x%x)", pixmap_id_cb);
+                               if (pixmap_id_cb_user_data)
+                               {
+                                       debug_log("set video param : display_overlay_user_data(0x%x)", pixmap_id_cb_user_data);
+                               }
+                       }
+                       else
+                       {
+                               debug_error("failed to set pixmap-id-callback");
+                               return MM_ERROR_PLAYER_INTERNAL;
+                       }
+                       /* get rotation value to set */
+                       __mmplayer_get_property_value_for_rotation(player, org_angle+user_angle, &rotation_value);
+
+                       debug_log("set video param : rotate %d, method %d, visible %d", rotation_value, display_method, visible);
+
+                       /* set properties of videosink plugin */
+                       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                               "display-geometry-method", display_method,
+                               "draw-borders", FALSE,
+                               "visible", visible,
+                               "rotate", rotation_value,
+                               "pixmap-id-callback", pixmap_id_cb,
+                               "pixmap-id-callback-userdata", pixmap_id_cb_user_data,
+                               NULL );
+               }
+               break;
+               case MM_DISPLAY_SURFACE_NULL:
+               {
+                       /* do nothing */
+               }
+               break;
        }
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return ret;
+       return MM_ERROR_NONE;
 }
 
-static int __gst_pending_seek ( mm_player_t* player )
+static int
+__mmplayer_gst_element_link_bucket(GList* element_bucket) // @
 {
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       MMPlayerStateType pending_state = MM_PLAYER_STATE_NONE;
-       int ret = MM_ERROR_NONE;
-
-       debug_fenter();
+       GList* bucket = element_bucket;
+       MMPlayerGstElement* element = NULL;
+       MMPlayerGstElement* prv_element = NULL;
+       gint successful_link_count = 0;
 
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       MMPLAYER_FENTER();
 
-       if ( !player->pending_seek.is_pending )
-       {
-               debug_log("pending seek is not reserved. nothing to do.\n" );
-               return ret;
-       }
+       return_val_if_fail(element_bucket, -1);
 
-       /* check player state if player could pending seek or not. */
-       current_state = MMPLAYER_CURRENT_STATE(player);
-       pending_state = MMPLAYER_PENDING_STATE(player);
+       prv_element = (MMPlayerGstElement*)bucket->data;
+       bucket = bucket->next;
 
-       if ( current_state != MM_PLAYER_STATE_PAUSED && current_state != MM_PLAYER_STATE_PLAYING  )
+       for ( ; bucket; bucket = bucket->next )
        {
-               debug_warning("try to pending seek in %s state, try next time. \n",
-                       MMPLAYER_STATE_GET_NAME(current_state));
-               return ret;
-       }
-       
-       debug_log("trying to play from (%lu) pending position\n", player->pending_seek.pos);
-       
-       ret = __gst_set_position ( player, player->pending_seek.format, player->pending_seek.pos );
-       
-       if ( MM_ERROR_NONE != ret )
-               debug_error("failed to seek pending postion. just keep staying current position.\n");
+               element = (MMPlayerGstElement*)bucket->data;
 
-       player->pending_seek.is_pending = FALSE;
-
-       debug_fleave();
-
-       return ret;
-}
-
-
-static int __gst_start(mm_player_t* player) // @
-{
-       gboolean sound_extraction = 0;
-       gboolean async = FALSE;
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
-
-       debug_fenter();
-
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-
-       /* get sound_extraction property */
-       mm_attrs_get_int_by_name(player->attrs, "pcm_extraction", &sound_extraction);
-       /* NOTE : if SetPosition was called before Start. do it now */
-       /* streaming doesn't support it. so it should be always sync */
-       /* !! create one more api to check if there is pending seek rather than checking variables */
-
-       if ( (player->pending_seek.is_pending || sound_extraction) && !MMPLAYER_IS_STREAMING(player))
-       {
-               ret = __gst_pause(player, FALSE);
-               if ( ret != MM_ERROR_NONE )
-               {
-                       debug_error("failed to set state to PAUSED for pending seek\n");
-                       return ret;
-               }
-                       
-               if ( sound_extraction )
+               if ( element && element->gst )
                {
-                       debug_log("setting pcm extraction\n");
-
-                       ret = __mmplayer_set_pcm_extraction(player);
-                       if ( MM_ERROR_NONE != ret )
+                       if ( GST_ELEMENT_LINK(GST_ELEMENT(prv_element->gst), GST_ELEMENT(element->gst)) )
                        {
-                               debug_warning("failed to set pcm extraction\n");
-                               return ret;
+                               debug_log("linking [%s] to [%s] success\n",
+                                       GST_ELEMENT_NAME(GST_ELEMENT(prv_element->gst)),
+                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)) );
+                               successful_link_count ++;
                        }
-               }
-               else
-               {                       
-                       if ( MM_ERROR_NONE != __gst_pending_seek(player) )
+                       else
                        {
-                               debug_warning("failed to seek pending postion. starting from the begin of content.\n");
+                               debug_log("linking [%s] to [%s] failed\n",
+                                       GST_ELEMENT_NAME(GST_ELEMENT(prv_element->gst)),
+                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)) );
+                               return -1;
                        }
                }
-       }
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
+               prv_element = element;
+       }
 
-       MMPLAYER_PRINT_STATE(player);   
+       MMPLAYER_FLEAVE();
 
-       /* NOTE : note that current variant of rtspsrc has their own buffering mechanism.
-         * their keeping rtp packets without gst timestamping. there's no easy way to export buffering mechanism to plugin-level. and
-         * application also not ready. thus, just for now. state transition to PLAYING will done in asyn mode.
-         * please do not confused with async property hack which done by __gst_set_async_state_change()
-         */
-       /* NOTE : testing async start when local playback also */
+       return successful_link_count;
+}
 
-       mm_attrs_get_int_by_name(player->attrs,"profile_async_start", &async);
-       debug_log("start mode : %s", (async ? "async" : "sync"));
+static int
+__mmplayer_gst_element_add_bucket_to_bin(GstBin* bin, GList* element_bucket) // @
+{
+       GList* bucket = element_bucket;
+       MMPlayerGstElement* element = NULL;
+       int successful_add_count = 0;
 
-       /* set pipeline state to PLAYING  */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, timeout );
+       MMPLAYER_FENTER();
 
-       if (MMPLAYER_PLAY_SUBTITLE(player))
-               ret = __mmplayer_gst_set_state(player,
-                       player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, GST_STATE_PLAYING, FALSE, timeout );
+       return_val_if_fail(element_bucket, 0);
+       return_val_if_fail(bin, 0);
 
-       if (ret == MM_ERROR_NONE)
+       for ( ; bucket; bucket = bucket->next )
        {
-               if (!async)
-               {
-                       guint duration = 0;
-                       debug_log("sync state changing is completed");
+               element = (MMPlayerGstElement*)bucket->data;
 
-                       mm_attrs_get_int_by_name(player->attrs, "content_duration", &duration);
-                       if (!duration)
+               if ( element && element->gst )
+               {
+                       if( !gst_bin_add(bin, GST_ELEMENT(element->gst)) )
                        {
-                               debug_warning("try to update duration more");
-                               player->need_update_content_attrs = TRUE;
-                               player->need_update_content_dur = TRUE;
-                               _mmplayer_update_content_attrs(player);
+                               debug_log("__mmplayer_gst_element_link_bucket : Adding element [%s]  to bin [%s] failed\n",
+                                       GST_ELEMENT_NAME(GST_ELEMENT(element->gst)),
+                                       GST_ELEMENT_NAME(GST_ELEMENT(bin) ) );
+                               return 0;
                        }
-
-                       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
+                       successful_add_count ++;
                }
        }
-       else
-       {
-               debug_error("failed to set state to PLAYING");
-
-               /* dump state of all element */
-               __mmplayer_dump_pipeline_state( player );
-
-               return ret;
-       }
-
-       /* FIXIT : analyze so called "async problem" */
-       /* set async off */
-       __gst_set_async_state_change( player, FALSE );
-
-       /* generating debug info before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-start" );
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return ret;
+       return successful_add_count;
 }
 
-static void __mmplayer_do_sound_fadedown(mm_player_t* player, unsigned int time)
-{
-       debug_fenter();
-       
-       return_if_fail(player 
-               && player->pipeline
-               && player->pipeline->audiobin
-               && player->pipeline->audiobin[MMPLAYER_A_SINK].gst);
 
-       g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 2, NULL);
-       
-       usleep(time);
 
-       debug_fleave();
-}
+/**
+ * This function is to create audio pipeline for playing.
+ *
+ * @param      player          [in]    handle of player
+ *
+ * @return     This function returns zero on success.
+ * @remark
+ * @see                __mmplayer_gst_create_midi_pipeline, __mmplayer_gst_create_video_pipeline
+ */
+#define MMPLAYER_CREATEONLY_ELEMENT(x_bin, x_id, x_factory, x_name) \
+x_bin[x_id].id = x_id;\
+x_bin[x_id].gst = gst_element_factory_make(x_factory, x_name);\
+if ( ! x_bin[x_id].gst )\
+{\
+       debug_error("failed to create %s \n", x_factory);\
+       goto ERROR;\
+}\
 
-static void __mmplayer_undo_sound_fadedown(mm_player_t* player)
-{
-       debug_fenter();
-       
-       return_if_fail(player 
-               && player->pipeline
-               && player->pipeline->audiobin
-               && player->pipeline->audiobin[MMPLAYER_A_SINK].gst);
-       
-       g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 0, NULL);       
+#define MMPLAYER_CREATE_ELEMENT_ADD_BIN(x_bin, x_id, x_factory, x_name, y_bin, x_player) \
+x_bin[x_id].id = x_id;\
+x_bin[x_id].gst = gst_element_factory_make(x_factory, x_name);\
+if ( ! x_bin[x_id].gst )\
+{\
+       debug_error("failed to create %s \n", x_factory);\
+       goto ERROR;\
+}\
+else\
+{\
+       if (x_player->ini.set_dump_element_flag)\
+               __mmplayer_add_dump_buffer_probe(x_player, x_bin[x_id].gst);\
+}\
+if( !gst_bin_add(GST_BIN(y_bin), GST_ELEMENT(x_bin[x_id].gst)))\
+{\
+       debug_log("__mmplayer_gst_element_link_bucket : Adding element [%s]  to bin [%s] failed\n",\
+               GST_ELEMENT_NAME(GST_ELEMENT(x_bin[x_id].gst)),\
+               GST_ELEMENT_NAME(GST_ELEMENT(y_bin) ) );\
+       goto ERROR;\
+}\
 
-       debug_fleave();
-}
+/* macro for code readability. just for sinkbin-creation functions */
+#define MMPLAYER_CREATE_ELEMENT(x_bin, x_id, x_factory, x_name, x_add_bucket, x_player) \
+do \
+{ \
+       x_bin[x_id].id = x_id;\
+       x_bin[x_id].gst = gst_element_factory_make(x_factory, x_name);\
+       if ( ! x_bin[x_id].gst )\
+       {\
+               debug_error("failed to create %s \n", x_factory);\
+               goto ERROR;\
+       }\
+       else\
+       {\
+               if (x_player->ini.set_dump_element_flag)\
+                       __mmplayer_add_dump_buffer_probe(x_player, x_bin[x_id].gst);\
+       }\
+       if ( x_add_bucket )\
+               element_bucket = g_list_append(element_bucket, &x_bin[x_id]);\
+} while(0);
 
-static int __gst_stop(mm_player_t* player) // @
+/**
+  * AUDIO PIPELINE
+  * - Local playback   : audiotp !audioconvert ! volume ! capsfilter ! audioeffect ! audioeffect_sec ! audiosink
+  * - Streaming        : audiotp !audioconvert !volume ! audiosink
+  * - PCM extraction : audiotp !audioconvert ! audioresample ! capsfilter ! fakesink
+  */
+static int
+__mmplayer_gst_create_audio_pipeline(mm_player_t* player)
 {
-       GstStateChangeReturn change_ret = GST_STATE_CHANGE_SUCCESS;
+       MMPlayerGstElement* first_element = NULL;
+       MMPlayerGstElement* audiobin = NULL;
        MMHandleType attrs = 0;
-       gboolean fadewown = FALSE;
-       gboolean rewind = FALSE;
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
-
-       debug_fenter();
+       GstPad *pad = NULL;
+       GstPad *ghostpad = NULL;
+       GList* element_bucket = NULL;
+       gboolean link_audio_sink_now = TRUE;
+       int i =0;
 
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_FENTER();
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
-       MMPLAYER_PRINT_STATE(player);   
+       return_val_if_fail( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
+       /* alloc handles */
+       audiobin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_A_NUM);
+       if ( ! audiobin )
        {
-               debug_error("cannot get content attribute\n");
-               return MM_ERROR_PLAYER_INTERNAL;
+               debug_error("failed to allocate memory for audiobin\n");
+               return MM_ERROR_PLAYER_NO_FREE_SPACE;
        }
 
-       mm_attrs_get_int_by_name(attrs,"sound_fadedown", &fadewown);
-
-       /* enable fadedown */
-       if (fadewown)
-               __mmplayer_do_sound_fadedown(player, MM_PLAYER_FADEOUT_TIME_DEFAULT);
+       attrs = MMPLAYER_GET_ATTRS(player);
 
-       /* Just set state to PAUESED and the rewind. it's usual player behavior. */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT ( player );
-       if  ( player->profile.uri_type == MM_PLAYER_URI_TYPE_BUFF )
+       /* create bin */
+       audiobin[MMPLAYER_A_BIN].id = MMPLAYER_A_BIN;
+       audiobin[MMPLAYER_A_BIN].gst = gst_bin_new("audiobin");
+       if ( !audiobin[MMPLAYER_A_BIN].gst )
        {
-               ret = __mmplayer_gst_set_state(player, 
-                       player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_READY, FALSE, timeout );
+               debug_error("failed to create audiobin\n");
+               goto ERROR;
        }
-       else
-       {
-               ret = __mmplayer_gst_set_state( player,
-                       player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, FALSE, timeout );
 
-               if (MMPLAYER_PLAY_SUBTITLE(player))
-                       ret = __mmplayer_gst_set_state( player,
-                               player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, GST_STATE_PAUSED, FALSE, timeout );
+       /* take it */
+       player->pipeline->audiobin = audiobin;
 
-               if ( !MMPLAYER_IS_STREAMING(player))
-                       rewind = TRUE;
-       }
+       player->set_mode.pcm_extraction = __mmplayer_can_extract_pcm(player);
 
-       /* disable fadeout */
-       if (fadewown)
-               __mmplayer_undo_sound_fadedown(player);
+       /* Adding audiotp plugin for reverse trickplay feature */
+       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_TP, "audiotp", "audio trickplay", TRUE, player);
+
+       /* converter */
+       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CONV, "audioconvert", "audio converter", TRUE, player);
 
+       /* resampler */
+       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_RESAMPLER,  player->ini.name_of_audio_resampler, "audio resampler", TRUE, player);
 
-       /* return if set_state has failed */
-       if ( ret != MM_ERROR_NONE )
+       if (player->set_mode.pcm_extraction) // pcm extraction only and no sound output
        {
-               debug_error("failed to set state.\n");
+               int dst_samplerate = 0;
+               int dst_channels = 0;
+               int dst_depth = 0;
+               char *caps_str = NULL;
+               GstCaps* caps = NULL;
 
-               /* dump state of all element. don't care it success or not */
-               __mmplayer_dump_pipeline_state( player );
+               /* get conf. values */
+               mm_attrs_multiple_get(player->attrs,
+                                       NULL,
+                                       "pcm_extraction_samplerate", &dst_samplerate,
+                                       "pcm_extraction_channels", &dst_channels,
+                                       "pcm_extraction_depth", &dst_depth,
+                                       NULL);
 
-               return ret;
-       }
+               /* capsfilter */
+               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CAPS_DEFAULT, "capsfilter", "audio capsfilter", TRUE, player);
+               caps = gst_caps_new_simple ("audio/x-raw-int",
+                               "rate", G_TYPE_INT, dst_samplerate,
+                               "channels", G_TYPE_INT, dst_channels,
+                               "depth", G_TYPE_INT, dst_depth,
+                               NULL);
+               caps_str = gst_caps_to_string(caps);
+               debug_log("new caps : %s\n", caps_str);
 
-       /* rewind */
-       if ( rewind )
-       {
-               if ( ! __gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
-                               GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, 0,
-                               GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE) )
-               {
-                       debug_warning("failed to rewind\n");
-                       ret = MM_ERROR_PLAYER_SEEK;
-               }
-       }
+               g_object_set (GST_ELEMENT(audiobin[MMPLAYER_A_CAPS_DEFAULT].gst), "caps", caps, NULL );
 
-       /* initialize */
-       player->sent_bos = FALSE;
+               /* clean */
+               gst_caps_unref( caps );
+               MMPLAYER_FREEIF( caps_str );
 
-       /* wait for seek to complete */
-       change_ret = gst_element_get_state (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, NULL, NULL, timeout * GST_SECOND);
-       if (MMPLAYER_PLAY_SUBTITLE(player))
-               change_ret = gst_element_get_state (player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, NULL, NULL, timeout * GST_SECOND);
+               /* fake sink */
+               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_SINK, "fakesink", "fakesink", TRUE, player);
 
-       if ( change_ret == GST_STATE_CHANGE_SUCCESS || change_ret == GST_STATE_CHANGE_NO_PREROLL )
-       {
-               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_READY );
+               /* set sync */
+               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "sync", FALSE, NULL);
        }
-       else
+       else // normal playback
        {
-               debug_error("fail to stop player.\n");
-               ret = MM_ERROR_PLAYER_INTERNAL;
-       }
-
-       /* generate dot file if enabled */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-stop" );
+               typedef enum
+               {
+                       GST_BASE_AUDIO_SINK_SLAVE_RESAMPLE = 0,
+                       GST_BASE_AUDIO_SINK_SLAVE_SKEW,
+                       GST_BASE_AUDIO_SINK_SLAVE_NONE
+               } GstBaseAudioSinkSlaveMethod;
 
-       debug_fleave(); 
+               //GstCaps* caps = NULL;
+               gint channels = 0;
 
-       return ret;
-}
+               /* for logical volume control */
+               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_VOL, "volume", "volume", TRUE, player);
+               g_object_set(G_OBJECT (audiobin[MMPLAYER_A_VOL].gst), "volume", player->sound.volume, NULL);
 
+               if (player->sound.mute)
+               {
+                       debug_log("mute enabled\n");
+                       g_object_set(G_OBJECT (audiobin[MMPLAYER_A_VOL].gst), "mute", player->sound.mute, NULL);
+               }
 
-int __gst_pause(mm_player_t* player, gboolean async) // @
-{
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
+#if 0
+               /*capsfilter */
+               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_CAPS_DEFAULT, "capsfilter", "audiocapsfilter", TRUE, player);
+               caps = gst_caps_from_string( "audio/x-raw-int, "
+                                       "endianness = (int) LITTLE_ENDIAN, "
+                                       "signed = (boolean) true, "
+                                       "width = (int) 16, "
+                                       "depth = (int) 16" );
+               g_object_set (GST_ELEMENT(audiobin[MMPLAYER_A_CAPS_DEFAULT].gst), "caps", caps, NULL );
+               gst_caps_unref( caps );
+#endif
 
-       debug_fenter();
+               /* chech if multi-chennels */
+               if (player->pipeline->mainbin && player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst)
+               {
+                       GstPad *srcpad = NULL;
+                       GstCaps *caps = NULL;
 
-       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+                       if ((srcpad = gst_element_get_static_pad(player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst, "src")))
+                       {
+                               if ((caps = gst_pad_get_caps(srcpad)))
+                               {
+                                       //MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+                                       GstStructure *str = gst_caps_get_structure(caps, 0);
+                                       if (str)
+                                               gst_structure_get_int (str, "channels", &channels);
+                                       gst_caps_unref(caps);
+                               }
+                               gst_object_unref(srcpad);
+                       }
+               }
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PAUSED;
-       MMPLAYER_PRINT_STATE(player);   
+               /* audio effect element. if audio effect is enabled */
+               if ( (strcmp(player->ini.name_of_audio_effect, ""))
+                       && (channels <= 2)
+                       && player->ini.use_audio_effect_custom)
+               {
+                       MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_FILTER, player->ini.name_of_audio_effect, "audio effect filter", TRUE, player);
 
-       if ( async )
-               debug_log("do async state transition to PAUSE.\n");
+                       debug_log("audio effect config. bypass = %d, effect type  = %d", player->bypass_audio_effect, player->audio_effect_info.effect_type);
 
-       /* set pipeline status to PAUSED */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, async, timeout );
+                       if ( (!player->bypass_audio_effect)
+                               && player->ini.use_audio_effect_custom)
+                       {
+                               if ( MM_AUDIO_EFFECT_TYPE_CUSTOM == player->audio_effect_info.effect_type )
+                               {
+                                       if (!_mmplayer_audio_effect_custom_apply(player))
+                                       {
+                                               debug_msg("apply audio effect(custom) setting success\n");
+                                       }
+                               }
+                       }
 
-       if (MMPLAYER_PLAY_SUBTITLE(player))
-               ret = __mmplayer_gst_set_state(player,
-                       player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, GST_STATE_PAUSED, async, timeout );
+                       if ( (strcmp(player->ini.name_of_audio_effect_sec, ""))
+                               && (player->set_mode.rich_audio) )
+                       {
+                               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_FILTER_SEC, player->ini.name_of_audio_effect_sec, "audio effect filter", TRUE, player);
+                       }
+               }
+               if (!MMPLAYER_IS_RTSP_STREAMING(player))
+               {
+                       if (player->set_mode.rich_audio && channels <= 2)
+                               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_VSP, "audiovsp", "x-speed", TRUE, player);
+               }
 
-       /* NOTE : here we are setting state PAUSED to streaming source element again. because
-        * main pipeline will not set the state of it's all childs if state of the pipeline
-        * is already PAUSED for some reason. this situaition can happen when rebuffering or
-        * buffering after seeking. in both case streaming source will send flush event and then
-        * sink elements will lost it's state and it will set the state to PAUSED by theyself.
-       */
-       if ( MMPLAYER_IS_RTSP_STREAMING( player ) && player->state_lost )
-       {
-               debug_log("setting PAUSED to streaming source again.\n");
-               gst_element_set_state(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, GST_STATE_PAUSED);
-       }
+               /* create audio sink */
+               MMPLAYER_CREATE_ELEMENT(audiobin, MMPLAYER_A_SINK, player->ini.name_of_audiosink, "audiosink", link_audio_sink_now, player);
 
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("failed to set state to PAUSED\n");
+               /* qos on */
+               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "qos", TRUE, NULL);     /* qos on */
+               g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "slave-method", GST_BASE_AUDIO_SINK_SLAVE_NONE, NULL);
 
-               /* dump state of all element */
-               __mmplayer_dump_pipeline_state( player );
+               /* FIXIT : using system clock. isn't there another way? */
+               if (player->videodec_linked)
+               {
+                       debug_log("provide clock for movie = %s", (player->ini.provide_clock_for_movie)?"audio_clock":"sys_clock");
+                       g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "provide-clock", player->ini.provide_clock_for_movie,  NULL);
+               }
+               else
+               {
+                       debug_log("provide clock for music = %s", (player->ini.provide_clock_for_music)?"audio_clock":"sys_clock");
+                       g_object_set (G_OBJECT (audiobin[MMPLAYER_A_SINK].gst), "provide-clock", player->ini.provide_clock_for_music,  NULL);
+               }
 
-               return ret;
-       }
-       else
-       {       
-               if ( async == FALSE ) 
+               if ( g_strrstr(player->ini.name_of_audiosink, "avsysaudiosink") || g_strrstr(player->ini.name_of_audiosink, "pulsesink") )
                {
-                       debug_log("sync state changing is completed.");
-                       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PAUSED );
+                       gint volume_type = 0;
+                       gint audio_route = 0;
+                       gint sound_priority = FALSE;
+                       gint route_path = 0;
+                       gint latency_mode = 0;
+                       gint close_handle = 0;
+
+                       /* set volume table
+                        * It should be set after player creation through attribute.
+                        * But, it can not be changed during playing.
+                        */
+                       mm_attrs_get_int_by_name(attrs, "sound_volume_type", &volume_type);
+                       mm_attrs_get_int_by_name(attrs, "sound_route", &audio_route);
+                       mm_attrs_get_int_by_name(attrs, "sound_priority", &sound_priority);
+                       mm_attrs_get_int_by_name(attrs, "sound_spk_out_only", &route_path);
+                       mm_attrs_get_int_by_name(attrs, "sound_latency_mode", &latency_mode);
+
+                       if (player->sm.user_route_policy != 0) {
+                               route_path = player->sm.user_route_policy;
+                       }
+
+                       g_object_set(audiobin[MMPLAYER_A_SINK].gst,
+                                       "volumetype", volume_type,
+                                       "audio-route", audio_route,
+                                       "priority", sound_priority,
+                                       "user-route", route_path,
+                                       "latency", latency_mode,
+                                       "close-handle-on-prepare", close_handle,
+                                       NULL);
+
+                       debug_log("audiosink property status...volume type:%d, route:%d, priority=%d, user-route=%d, latency=%d, close-resource=%d\n",
+                               volume_type, audio_route, sound_priority, route_path, latency_mode, close_handle);
                }
-       } 
 
-       /* FIXIT : analyze so called "async problem" */
-       /* set async off */
-       __gst_set_async_state_change( player, TRUE);
+               /* Antishock can be enabled when player is resumed by soundCM.
+                * But, it's not used in MMS, setting and etc.
+                * Because, player start seems like late.
+                */
+               __mmplayer_set_antishock( player , FALSE );
+       }
 
+       __mmplayer_add_sink( player, audiobin[MMPLAYER_A_SINK].gst );
 
-       /* generate dot file before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-pause" );
+       /* adding created elements to bin */
+       debug_log("adding created elements to bin\n");
+       if( !__mmplayer_gst_element_add_bucket_to_bin( GST_BIN(audiobin[MMPLAYER_A_BIN].gst), element_bucket ))
+       {
+               debug_error("failed to add elements\n");
+               goto ERROR;
+       }
 
-       debug_fleave();
+       /* linking elements in the bucket by added order. */
+       debug_log("Linking elements in the bucket by added order.\n");
+       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+       {
+               debug_error("failed to link elements\n");
+               goto ERROR;
+       }
 
-       return ret;
-}
+       /* get first element's sinkpad for creating ghostpad */
+       first_element = (MMPlayerGstElement *)element_bucket->data;
 
-int __gst_resume(mm_player_t* player, gboolean async) // @
-{
-       int ret = MM_ERROR_NONE;
-       gint timeout = 0;
+       pad = gst_element_get_static_pad(GST_ELEMENT(first_element->gst), "sink");
+       if ( ! pad )
+       {
+               debug_error("failed to get pad from first element of audiobin\n");
+               goto ERROR;
+       }
 
-       debug_fenter();
+       ghostpad = gst_ghost_pad_new("sink", pad);
+       if ( ! ghostpad )
+       {
+               debug_error("failed to create ghostpad\n");
+               goto ERROR;
+       }
 
-       return_val_if_fail(player && player->pipeline,
-               MM_ERROR_PLAYER_NOT_INITIALIZED);
+       if ( FALSE == gst_element_add_pad(audiobin[MMPLAYER_A_BIN].gst, ghostpad) )
+       {
+               debug_error("failed to add ghostpad to audiobin\n");
+               goto ERROR;
+       }
 
+       gst_object_unref(pad);
 
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
-       MMPLAYER_PRINT_STATE(player);   
+       g_list_free(element_bucket);
 
-       /* generate dot file before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-resume" );
+       mm_attrs_set_int_by_name(attrs, "content_audio_found", TRUE);
 
-       __mmplayer_set_antishock( player , FALSE );
+       MMPLAYER_FLEAVE();
 
-       if ( async )
-               debug_log("do async state transition to PLAYING.\n");
+       return MM_ERROR_NONE;
 
-       /* set pipeline state to PLAYING */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, timeout );
+ERROR:
 
-       if (MMPLAYER_PLAY_SUBTITLE(player))
-               ret = __mmplayer_gst_set_state(player,
-                       player->pipeline->subtitlebin[MMPLAYER_SUB_PIPE].gst, GST_STATE_PLAYING, async, timeout );
+       debug_log("ERROR : releasing audiobin\n");
 
-       /* NOTE : same reason when pausing */
-       if ( MMPLAYER_IS_RTSP_STREAMING(player) && player->state_lost )
-       {
-               debug_log("setting PLAYING to streaming source again.\n");
-               gst_element_set_state(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, GST_STATE_PLAYING);
-       }
+       if ( pad )
+               gst_object_unref(GST_OBJECT(pad));
 
-       if (ret != MM_ERROR_NONE)
-       {
-               debug_error("failed to set state to PLAYING\n");
+       if ( ghostpad )
+               gst_object_unref(GST_OBJECT(ghostpad));
 
-               /* dump state of all element */
-               __mmplayer_dump_pipeline_state( player );
+       g_list_free( element_bucket );
 
-               return ret;
-       }
-       else
+       /* release element which are not added to bin */
+       for ( i = 1; i < MMPLAYER_A_NUM; i++ )  /* NOTE : skip bin */
        {
-               if (async == FALSE)
-               {       
-                       debug_log("sync state changing is completed.");
-                       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PLAYING );
+               if ( audiobin[i].gst )
+               {
+                       GstObject* parent = NULL;
+                       parent = gst_element_get_parent( audiobin[i].gst );
+
+                       if ( !parent )
+                       {
+                               gst_object_unref(GST_OBJECT(audiobin[i].gst));
+                               audiobin[i].gst = NULL;
+                       }
+                       else
+                       {
+                               gst_object_unref(GST_OBJECT(parent));
+                       }
                }
        }
-       
-       /* FIXIT : analyze so called "async problem" */
-       /* set async off */
-       __gst_set_async_state_change( player, FALSE );
 
-       /* generate dot file before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-resume" );
+       /* release audiobin with it's childs */
+       if ( audiobin[MMPLAYER_A_BIN].gst )
+       {
+               gst_object_unref(GST_OBJECT(audiobin[MMPLAYER_A_BIN].gst));
+       }
 
-       debug_fleave();
+       MMPLAYER_FREEIF( audiobin );
 
-       return ret;
+       player->pipeline->audiobin = NULL;
+
+       return MM_ERROR_PLAYER_INTERNAL;
 }
 
-static int
-__gst_set_position(mm_player_t* player, int format, unsigned long position) // @
+static gboolean
+__mmplayer_audio_stream_probe (GstPad *pad, GstBuffer *buffer, gpointer u_data)
 {
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       MMPlayerStateType pending_state = MM_PLAYER_STATE_NONE;
-       GstFormat fmt  = GST_FORMAT_TIME;
-       unsigned long dur = 0;
-       gint64 dur_msec = 0;
-       gint64 pos_msec = 0;
-       gboolean ret = TRUE;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*) u_data;
+       gint size;
+       guint8 *data;
 
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( !MMPLAYER_IS_LIVE_STREAMING(player), MM_ERROR_PLAYER_NO_OP );
+       data = GST_BUFFER_DATA(buffer);
+       size = GST_BUFFER_SIZE(buffer);
 
-       /* check player state if player could seek or not. */
-       current_state = MMPLAYER_CURRENT_STATE(player);
-       pending_state = MMPLAYER_PENDING_STATE(player);
-               
-       if ( current_state != MM_PLAYER_STATE_PLAYING && current_state != MM_PLAYER_STATE_PAUSED )
-               goto PENDING;
+       if (player->audio_stream_cb && size && data)
+               player->audio_stream_cb((void *)data, size, player->audio_stream_cb_user_param);
 
-       /* check duration */
-       /* NOTE : duration cannot be zero except live streaming. 
-        *              Since some element could have some timing problemn with quering duration, try again.
-        */
-       if ( player->duration == 0 )
-       {
-               ret = gst_element_query_duration( player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &dur_msec );
-               if ( !ret )
-                       goto SEEK_ERROR;
-               else
-                       player->duration = dur_msec;
-       }
+       return TRUE;
+}
 
-       if ( player->duration )
-       {
-               dur = GST_TIME_AS_MSECONDS(player->duration);
-               debug_log("duration is %d [msec]. \n", dur);
-       }
-       else
-       {
-               debug_error("could not get the duration. fail to seek.\n");
-               goto SEEK_ERROR;
+static gboolean
+__mmplayer_video_stream_probe (GstPad *pad, GstBuffer *buffer, gpointer user_data)
+{
+       GstCaps *caps = NULL;
+       MMPlayerVideoStreamDataType stream;
+       MMPlayerMPlaneImage *scmn_imgb = NULL;
+       GstStructure *structure = NULL;
+       unsigned int fourcc = 0;
+       mm_player_t* player = (mm_player_t*)user_data;
+
+       caps = gst_buffer_get_caps(buffer);
+       if (caps == NULL) {
+               debug_error( "Caps is NULL." );
+               return TRUE;
        }
-       
-       /* do seek */
-       switch ( format )
-       {
-               case MM_PLAYER_POS_FORMAT_TIME:
-               {
-                       /* check position is valid or not */
-                       if ( position > dur )
-                               goto INVALID_ARGS;
 
-                       debug_log("seeking to (%lu) msec\n", position);
+       //MMPLAYER_LOG_GST_CAPS_TYPE(caps);
 
-                       if (player->doing_seek)
-                       {
-                               debug_log("not completed seek");
-                               return MM_ERROR_PLAYER_DOING_SEEK;
-                       }
-                       player->doing_seek = TRUE;
+       /* clear stream data structure */
+       memset(&stream, 0x0, sizeof(MMPlayerVideoStreamDataType));
 
-                       pos_msec = position * G_GINT64_CONSTANT(1000000);
-                       ret = __gst_seek ( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
-                               GST_FORMAT_TIME, ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                               GST_SEEK_TYPE_SET, pos_msec, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE );
+       structure = gst_caps_get_structure( caps, 0 );
+       gst_structure_get_int(structure, "width", &(stream.width));
+       gst_structure_get_int(structure, "height", &(stream.height));
+       gst_structure_get_fourcc(structure, "format", &fourcc);
+       stream.format = util_get_pixtype(fourcc);
+       gst_caps_unref( caps );
+       caps = NULL;
 
-                       if ( !ret  )
-                       {
-                               debug_error("failed to set position. dur[%lud]  pos[%lud]  pos_msec[%llud]\n", dur, position, pos_msec);
-                               goto SEEK_ERROR;
-                       }
-               }
-               break;
+    /*
+       debug_log( "Call video steramCb, data[%p], Width[%d],Height[%d], Format[%d]",
+                       GST_BUFFER_DATA(buffer), stream.width, stream.height, stream.format );
+    */
 
-               case MM_PLAYER_POS_FORMAT_PERCENT:
-               {
-                       if ( position < 0 && position > 100 )
-                               goto INVALID_ARGS;
+       if (stream.width == 0 || stream.height == 0) {
+               debug_error("Wrong condition!!");
+               return TRUE;
+       }
 
-                       debug_log("seeking to (%lu)%% \n", position);
+       /* set size and timestamp */
+       stream.length_total = GST_BUFFER_SIZE(buffer);
+       stream.timestamp = (unsigned int)(GST_BUFFER_TIMESTAMP(buffer)/1000000); /* nano sec -> mili sec */
 
-                       if (player->doing_seek)
-                       {
-                               debug_log("not completed seek");
-                               return MM_ERROR_PLAYER_DOING_SEEK;
-                       }
-                       player->doing_seek = TRUE;
+       //check zero-copy
+       if (player->set_mode.video_zc
+               && player->set_mode.media_packet_video_stream
+               && GST_BUFFER_MALLOCDATA(buffer)) {
+               scmn_imgb = (MMPlayerMPlaneImage *)GST_BUFFER_MALLOCDATA(buffer);
+       }
 
-                       /* FIXIT : why don't we use 'GST_FORMAT_PERCENT' */
-                       pos_msec = (gint64) ( ( position * player->duration ) / 100 );
-                       ret = __gst_seek ( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
-                               GST_FORMAT_TIME, ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                               GST_SEEK_TYPE_SET, pos_msec, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE );
+       /* set tbm bo */
+       if (scmn_imgb) {
+               /* copy pointer of tbm bo, stride, elevation */
+               memcpy(stream.bo, scmn_imgb->bo, sizeof(void *) * MM_PLAYER_IMGB_MPLANE_MAX);
+               memcpy(stream.stride, scmn_imgb->s, sizeof(int) * MM_PLAYER_IMGB_MPLANE_MAX);
+               memcpy(stream.elevation, scmn_imgb->e, sizeof(int) * MM_PLAYER_IMGB_MPLANE_MAX);
 
-                       if ( !ret  )
-                       {
-                               debug_error("failed to set position. dur[%lud]  pos[%lud]  pos_msec[%llud]\n", dur, position, pos_msec);
-                               goto SEEK_ERROR;
-                       }
+               /*
+               int i = 0;
+               for (i = 0 ; i < BUFFER_MAX_PLANE_NUM ; i++) {
+                       debug_log("w %d, h %d, s %d, e %d, bo %p",
+                                       scmn_imgb->w[i],scmn_imgb->h[i],scmn_imgb->s[i],scmn_imgb->e[i],
+                                       scmn_imgb->bo[i]);
+                       if(scmn_imgb->bo[i])
+                               debug_log("bo size %d", tbm_bo_size(scmn_imgb->bo[i]));
                }
-               break;
+               */
 
-               default:
-                       goto INVALID_ARGS;
-                       
+               /* set gst buffer */
+               stream.internal_buffer = buffer;
+       } else {
+               stream.data = GST_BUFFER_DATA(buffer);
        }
 
+       if (player->video_stream_cb) {
+               player->video_stream_cb(&stream, player->video_stream_cb_user_param);
+       }
 
-       /* NOTE : store last seeking point to overcome some bad operation 
-         *      ( returning zero when getting current position ) of some elements 
-         */
-       player->last_position = pos_msec;
-
-       debug_log("playback rate: %f\n", player->playback_rate);
-
-       /* MSL should guarante playback rate when seek is selected during trick play of fast forward. */
-       if ( player->playback_rate > 1.0 )
-               _mmplayer_set_playspeed ( (MMHandleType)player, player->playback_rate );
-
-       debug_fleave();
+       return TRUE;
+}
 
-       return MM_ERROR_NONE;
+static int
+__mmplayer_gst_create_video_filters(mm_player_t* player, GList** bucket, gboolean use_video_stream)
+{
+       gchar* video_csc = "ffmpegcolorspace"; // default colorspace converter
+       GList* element_bucket = *bucket;
 
-PENDING:
-       player->pending_seek.is_pending = TRUE;
-       player->pending_seek.format = format;
-       player->pending_seek.pos = position;
-       
-       debug_warning("player current-state : %s, pending-state : %s, just preserve pending position(%lu).\n", 
-               MMPLAYER_STATE_GET_NAME(current_state), MMPLAYER_STATE_GET_NAME(pending_state), player->pending_seek.pos);
-       
-       return MM_ERROR_NONE;
-       
-INVALID_ARGS:  
-       debug_error("invalid arguments, position : %ld  dur : %ld format : %d \n", position, dur, format);
-       
-       return MM_ERROR_PLAYER_INTERNAL;
+       return_val_if_fail(player && player->pipeline && player->pipeline->videobin, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-SEEK_ERROR:
-       player->doing_seek = FALSE;
-       return MM_ERROR_PLAYER_SEEK;
+       MMPLAYER_FENTER();
 
-}
+       if (!player->set_mode.media_packet_video_stream && use_video_stream)
+       {
+               if (player->set_mode.video_zc && strlen(player->ini.name_of_video_converter) > 0)
+               {
+                       video_csc = player->ini.name_of_video_converter;
+               }
 
-#define TRICKPLAY_OFFSET GST_MSECOND
+               MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_CONV, video_csc, "video converter", TRUE, player);
+               debug_log("using video converter: %s", video_csc);
 
-static int
-__gst_get_position(mm_player_t* player, int format, unsigned long* position) // @
-{
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       GstFormat fmt = GST_FORMAT_TIME;
-       signed long long pos_msec = 0;
-       gboolean ret = TRUE;
+               if ( !player->set_mode.video_zc)
+               {
+                       GstStructure *str = NULL;
+                       gint width = 0;         //width of video
+                       gint height = 0;                //height of video
+                       GstCaps* video_caps = NULL;
+                       GstStructure *structure = NULL;
 
-       return_val_if_fail( player && position && player->pipeline && player->pipeline->mainbin,
-               MM_ERROR_PLAYER_NOT_INITIALIZED );
+                       /* rotator, scaler and capsfilter */
+                       MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_FLIP, "videoflip", "video rotator", TRUE, player);
+                       MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_SCALE, "videoscale", "video scaler", TRUE, player);
+                       MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_CAPS, "capsfilter", "videocapsfilter", TRUE, player);
 
-       current_state = MMPLAYER_CURRENT_STATE(player);
+                       /* get video stream caps parsed by demuxer */
+                       str = gst_caps_get_structure (player->v_stream_caps, 0);
+                       if ( !str )
+                       {
+                               debug_error("cannot get structure");
+                               goto ERROR;
+                       }
 
-       /* NOTE : query position except paused state to overcome some bad operation
-        * please refer to below comments in details
-        */
-       if ( current_state != MM_PLAYER_STATE_PAUSED )
-       {
-               ret = gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &pos_msec);
-       }
+                       mm_attrs_get_int_by_name(player->attrs, "display_width", &width);
 
-       /* NOTE : get last point to overcome some bad operation of some elements
-        * ( returning zero when getting current position in paused state
-        * and when failed to get postion during seeking
-        */
-       if ( ( current_state == MM_PLAYER_STATE_PAUSED )
-               || ( ! ret ))
-               //|| ( player->last_position != 0 && pos_msec == 0 ) )
-       {
-               debug_warning(" Playback rate is %f\n", player->playback_rate);
-               debug_warning ("pos_msec = %"GST_TIME_FORMAT" and ret = %d and state = %d", GST_TIME_ARGS (pos_msec), ret, current_state);
+                       if (width) {
+                               structure = gst_structure_new("video/x-raw-rgb", "width", G_TYPE_INT, width, NULL);
+                       }
 
-               if(player->playback_rate < 0.0)
-                       pos_msec = player->last_position - TRICKPLAY_OFFSET;
-               else
-                       pos_msec = player->last_position;
+                       mm_attrs_get_int_by_name(player->attrs, "display_height", &height);
 
-               if (!ret)
-                       pos_msec = player->last_position;
-               else
-                       player->last_position = pos_msec;
+                       if (height ) {
+                               if (structure) {
+                                       gst_structure_set (structure, "height", G_TYPE_INT, height, NULL);
+                               }else {
+                                       structure = gst_structure_new("video/x-raw-rgb", "height", G_TYPE_INT, height, NULL);
+                               }
+                       }
 
-               debug_warning("returning last point : %"GST_TIME_FORMAT, GST_TIME_ARGS(pos_msec));
+                       if (width ||height) {
+                               video_caps = gst_caps_new_full(structure, NULL);
+                               gst_structure_free(structure);
 
+                               g_object_set (GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_CAPS].gst), "caps", video_caps, NULL );
+                               MMPLAYER_LOG_GST_CAPS_TYPE(video_caps);
+                               gst_caps_unref(video_caps);
+                       }
+               }
        }
        else
        {
-               player->last_position = pos_msec;
-       }
-
-       switch (format) {
-               case MM_PLAYER_POS_FORMAT_TIME:
-                       *position = GST_TIME_AS_MSECONDS(pos_msec);
-                       break;
+               MMDisplaySurfaceType surface_type = MM_DISPLAY_SURFACE_NULL;
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", (int *)&surface_type);
 
-               case MM_PLAYER_POS_FORMAT_PERCENT:
+               if (player->set_mode.video_zc)
                {
-                       int dur = 0;
-                       int pos = 0;
-
-                       dur = player->duration / GST_SECOND;
-                       if (dur <= 0)
+                       if ( (surface_type == MM_DISPLAY_SURFACE_EVAS) && ( !strcmp(player->ini.videosink_element_evas, "evasimagesink")) )
                        {
-                               debug_log ("duration is [%d], so returning position 0\n",dur);
-                               *position = 0;
+                               video_csc = player->ini.name_of_video_converter;
                        }
                        else
                        {
-                               pos = pos_msec / GST_SECOND;
-                               *position = pos * 100 / dur;
+                               video_csc = "";
                        }
-                       break;
                }
-               default:
-                       return MM_ERROR_PLAYER_INTERNAL;
-       }
 
-       debug_log("current position : %lu\n", *position);
+               if (video_csc && (strcmp(video_csc, "")))
+               {
+                       MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_CONV, video_csc, "video converter", TRUE, player);
+                       debug_log("using video converter: %s", video_csc);
+               }
+
+               /* set video rotator */
+               if ( !player->set_mode.video_zc )
+                       MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_FLIP, "videoflip", "video rotator", TRUE, player);
+
+               /* videoscaler */
+               #if !defined(__arm__)
+               MMPLAYER_CREATE_ELEMENT(player->pipeline->videobin, MMPLAYER_V_SCALE, "videoscale", "videoscaler", TRUE, player);
+               #endif
+       }
 
-       
+       *bucket = element_bucket;
+       MMPLAYER_FLEAVE();
        return MM_ERROR_NONE;
-}
 
+ERROR:
+       *bucket = NULL;
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_PLAYER_INTERNAL;
+}
 
-static int     __gst_get_buffer_position(mm_player_t* player, int format, unsigned long* start_pos, unsigned long* stop_pos)
+/**
+ * This function is to create video pipeline.
+ *
+ * @param      player          [in]    handle of player
+ *             caps            [in]    src caps of decoder
+ *             surface_type    [in]    surface type for video rendering
+ *
+ * @return     This function returns zero on success.
+ * @remark
+ * @see                __mmplayer_gst_create_audio_pipeline, __mmplayer_gst_create_midi_pipeline
+ */
+/**
+  * VIDEO PIPELINE
+  * - x surface (arm/x86) : xvimagesink
+  * - evas surface  (arm) : evaspixmapsink
+  *                         fimcconvert ! evasimagesink
+  * - evas surface  (x86) : videoconvertor ! videoflip ! evasimagesink
+  */
+static int
+__mmplayer_gst_create_video_pipeline(mm_player_t* player, GstCaps* caps, MMDisplaySurfaceType surface_type)
 {
-       GstElement *element = NULL;
-       GstQuery *query = NULL;
+       GstPad *pad = NULL;
+       MMHandleType attrs;
+       GList*element_bucket = NULL;
+       MMPlayerGstElement* first_element = NULL;
+       MMPlayerGstElement* videobin = NULL;
+       gchar *videosink_element = NULL;
 
-       return_val_if_fail( player && 
-               player->pipeline && 
-               player->pipeline->mainbin,
-               MM_ERROR_PLAYER_NOT_INITIALIZED );
+       MMPLAYER_FENTER();
 
-       return_val_if_fail( start_pos && stop_pos, MM_ERROR_INVALID_ARGUMENT );
+       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       if ( MMPLAYER_IS_HTTP_STREAMING ( player ) || MMPLAYER_IS_HTTP_LIVE_STREAMING ( player ))       
+       /* alloc handles */
+       videobin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_V_NUM);
+       if ( !videobin )
        {
-               /* Note : In case of http streaming or HLS, the buffering queue [ queue2 ] could handle buffering query. */
-               element = GST_ELEMENT ( player->pipeline->mainbin[MMPLAYER_M_S_BUFFER].gst );
+               return MM_ERROR_PLAYER_NO_FREE_SPACE;
        }
-       else if ( MMPLAYER_IS_RTSP_STREAMING ( player ) )
+
+       player->pipeline->videobin = videobin;
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
        {
-               debug_warning ( "it's not supported yet.\n" );
-               return MM_ERROR_NONE;
+               debug_error("cannot get content attribute");
+               return MM_ERROR_PLAYER_INTERNAL;
        }
-       else
+
+       /* create bin */
+       videobin[MMPLAYER_V_BIN].id = MMPLAYER_V_BIN;
+       videobin[MMPLAYER_V_BIN].gst = gst_bin_new("videobin");
+       if ( !videobin[MMPLAYER_V_BIN].gst )
        {
-               debug_warning ( "it's only used for streaming case.\n" );
-               return MM_ERROR_NONE;   
+               debug_error("failed to create videobin");
+               goto ERROR;
        }
 
-       *start_pos = 0;
-       *stop_pos = 0;
-       
-       switch ( format )
+       if( player->use_video_stream ) // video stream callback, so send raw video data to application
        {
-               case MM_PLAYER_POS_FORMAT_PERCENT :
-               {
-                               query = gst_query_new_buffering ( GST_FORMAT_PERCENT );
-                               if ( gst_element_query ( element, query ) ) 
-                               {
-                                       gint64 start, stop;
-                                       GstFormat format;
-                                       gboolean busy;
-                                       gint percent;
+               debug_log("using memsink\n");
 
-                                       gst_query_parse_buffering_percent ( query, &busy, &percent);
-                                       gst_query_parse_buffering_range ( query, &format, &start, &stop, NULL );
+               if ( __mmplayer_gst_create_video_filters(player, &element_bucket, TRUE) != MM_ERROR_NONE)
+                       goto ERROR;
 
-                                       debug_log ( "buffering start %" G_GINT64_FORMAT ", stop %" G_GINT64_FORMAT "\n",  start, stop);
+               /* finally, create video sink. output will be BGRA8888. */
+               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK, "avsysmemsink", "videosink", TRUE, player);
 
-                                       if ( start != -1)
-                                               *start_pos = 100 * start / GST_FORMAT_PERCENT_MAX;
-                                       else
-                                               *start_pos = 0;
+               MMPLAYER_SIGNAL_CONNECT( player,
+                                                                        videobin[MMPLAYER_V_SINK].gst,
+                                                                        MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                        "video-stream",
+                                                                        G_CALLBACK(__mmplayer_videostream_cb),
+                                                                        player );
+       }
+       else // render video data using sink plugin like xvimagesink
+       {
+               if ( __mmplayer_gst_create_video_filters(player, &element_bucket, FALSE) != MM_ERROR_NONE)
+                       goto ERROR;
 
-                                       if ( stop != -1)
-                                               *stop_pos = 100 * stop / GST_FORMAT_PERCENT_MAX;
-                                       else
-                                               *stop_pos = 0;
-                               }
-                               gst_query_unref (query);
+               /* set video sink */
+               switch (surface_type)
+               {
+                       case MM_DISPLAY_SURFACE_X:
+                               if (strlen(player->ini.videosink_element_x) > 0)
+                                       videosink_element = player->ini.videosink_element_x;
+                               else
+                                       goto ERROR;
+                               break;
+                       case MM_DISPLAY_SURFACE_EVAS:
+                               if (strlen(player->ini.videosink_element_evas) > 0)
+                                       videosink_element = player->ini.videosink_element_evas;
+                               else
+                                       goto ERROR;
+                               break;
+                       case MM_DISPLAY_SURFACE_X_EXT:
+                       {
+                               void *pixmap_id_cb = NULL;
+                               mm_attrs_get_data_by_name(attrs, "display_overlay", &pixmap_id_cb);
+                               if (pixmap_id_cb) /* this is used for the videoTextue(canvasTexture) overlay */
+                               {
+                                       videosink_element = player->ini.videosink_element_x;
+                               }
+                               else
+                               {
+                                       debug_error("something wrong.. callback function for getting pixmap id is null");
+                                       goto ERROR;
+                               }
+                               break;
+                       }
+                       case MM_DISPLAY_SURFACE_NULL:
+                               if (strlen(player->ini.videosink_element_fake) > 0)
+                                       videosink_element = player->ini.videosink_element_fake;
+                               else
+                                       goto ERROR;
+                               break;
+                       default:
+                               debug_error("unidentified surface type");
+                               goto ERROR;
                }
-               break;
 
-               case MM_PLAYER_POS_FORMAT_TIME :
-                       debug_warning ( "Time format is not supported yet.\n" );
-                       break;
-                       
-               default :
-                       break;
+               MMPLAYER_CREATE_ELEMENT(videobin, MMPLAYER_V_SINK, videosink_element, videosink_element, TRUE, player);
+               debug_log("selected videosink name: %s", videosink_element);
+               if(surface_type==MM_DISPLAY_SURFACE_X)
+               {
+                       MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       videobin[MMPLAYER_V_SINK].gst,
+                                                                       MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                       "display-status",
+                                                                       G_CALLBACK(__mmplayer_display_status_cb),
+                                                                       player );
+                       MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       videobin[MMPLAYER_V_SINK].gst,
+                                                                       MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                       "external-resolution",
+                                                                       G_CALLBACK(__mmplayer_external_resolution_cb),
+                                                                       player );
+                       MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       videobin[MMPLAYER_V_SINK].gst,
+                                                                       MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                       "hided-window",
+                                                                       G_CALLBACK(__mmplayer_hided_window_cb),
+                                                                       player );
+                       MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       videobin[MMPLAYER_V_SINK].gst,
+                                                                       MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                       "quick-panel-on",
+                                                                       G_CALLBACK(__mmplayer_quick_panel_on_cb),
+                                                                       player );
+                       MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       videobin[MMPLAYER_V_SINK].gst,
+                                                                       MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                       "multiwindow-active",
+                                                                       G_CALLBACK(__mmplayer_multiwindow_active_cb),
+                                                                       player );
+               }
+               /* connect signal handlers for sink plug-in */
+               switch (surface_type) {
+                       case MM_DISPLAY_SURFACE_X_EXT:
+                               MMPLAYER_SIGNAL_CONNECT( player,
+                                                                               player->pipeline->videobin[MMPLAYER_V_SINK].gst,
+                                                                               MM_PLAYER_SIGNAL_TYPE_VIDEOBIN,
+                                                                               "frame-render-error",
+                                                                               G_CALLBACK(__mmplayer_videoframe_render_error_cb),
+                                                                               player );
+                               debug_log("videoTexture usage, connect a signal handler for pixmap rendering error");
+                               break;
+                       default:
+                               break;
+               }
        }
 
-       debug_log("current buffer position : %lu~%lu \n", *start_pos, *stop_pos );
+       if ( _mmplayer_update_video_param(player) != MM_ERROR_NONE)
+               goto ERROR;
 
-       return MM_ERROR_NONE;
-}
+       /* store it as it's sink element */
+       __mmplayer_add_sink( player, videobin[MMPLAYER_V_SINK].gst );
 
-static int
-__gst_set_message_callback(mm_player_t* player, MMMessageCallback callback, gpointer user_param) // @
-{
-       debug_fenter();
+       /* adding created elements to bin */
+       if( ! __mmplayer_gst_element_add_bucket_to_bin(GST_BIN(videobin[MMPLAYER_V_BIN].gst), element_bucket) )
+       {
+               debug_error("failed to add elements\n");
+               goto ERROR;
+       }
 
-       if ( !player )
+       /* Linking elements in the bucket by added order */
+       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
        {
-               debug_warning("set_message_callback is called with invalid player handle\n");
-               return MM_ERROR_PLAYER_NOT_INITIALIZED;
+               debug_error("failed to link elements\n");
+               goto ERROR;
        }
 
-       player->msg_cb = callback;
-       player->msg_cb_param = user_param;
+       /* get first element's sinkpad for creating ghostpad */
+       first_element = (MMPlayerGstElement *)element_bucket->data;
+       if ( !first_element )
+       {
+               debug_error("failed to get first element from bucket\n");
+               goto ERROR;
+       }
 
-       debug_log("msg_cb : 0x%x     msg_cb_param : 0x%x\n", (guint)callback, (guint)user_param);
+       pad = gst_element_get_static_pad(GST_ELEMENT(first_element->gst), "sink");
+       if ( !pad )
+       {
+               debug_error("failed to get pad from first element\n");
+               goto ERROR;
+       }
 
-       debug_fleave();
+       /* create ghostpad */
+       player->ghost_pad_for_videobin = gst_ghost_pad_new("sink", pad);
+       if ( FALSE == gst_element_add_pad(videobin[MMPLAYER_V_BIN].gst, player->ghost_pad_for_videobin) )
+       {
+               debug_error("failed to add ghostpad to videobin\n");
+               goto ERROR;
+       }
+       gst_object_unref(pad);
 
-       return MM_ERROR_NONE;
-}
+       /* done. free allocated variables */
+       g_list_free(element_bucket);
 
-static gboolean __mmfplayer_parse_profile(const char *uri, void *param, MMPlayerParseProfile* data) // @
-{
-       gboolean ret = FALSE;
-       char *path = NULL;
+       mm_attrs_set_int_by_name(attrs, "content_video_found", TRUE);
 
-       debug_fenter();
+       MMPLAYER_FLEAVE();
 
-       return_val_if_fail ( uri , FALSE);
-       return_val_if_fail ( data , FALSE);
-       return_val_if_fail ( ( strlen(uri) <= MM_MAX_URL_LEN ), FALSE );
+       return MM_ERROR_NONE;
 
-       memset(data, 0, sizeof(MMPlayerParseProfile));
-
-       if ((path = strstr(uri, "file://")))
-       {
-               if (util_exist_file_path(path + 7)) {
-                       strncpy(data->uri, path, MM_MAX_URL_LEN-1);                     
+ERROR:
+       debug_error("ERROR : releasing videobin\n");
 
-                       if ( util_is_sdp_file ( path ) )
-                       {
-                               debug_log("uri is actually a file but it's sdp file. giving it to rtspsrc\n");
-                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
-                       }
-                       else
-                       {
-                       data->uri_type = MM_PLAYER_URI_TYPE_FILE;
-                       }
-                       ret = TRUE;
-               }
-               else
-               {
-                       debug_warning("could  access %s.\n", path);
-               }
-       }
-       else if ((path = strstr(uri, "buff://")))
-       {
-                       data->uri_type = MM_PLAYER_URI_TYPE_BUFF;
-                       ret = TRUE;
-       }
-       else if ((path = strstr(uri, "rtsp://")))
-       {
-               if (strlen(path)) {
-                       strcpy(data->uri, uri);
-                       data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
-                       ret = TRUE;
-               }
-       }
-       else if ((path = strstr(uri, "http://")))
-       {
-               if (strlen(path)) {
-                       strcpy(data->uri, uri);
-                       
-#ifdef NO_USE_GST_HLSDEMUX
-                       if ((path = strstr(uri, "m3u")))
-                       {
-                               debug_log ("++++++++++++++++++++ M3U +++++++++++++++++++++\n");
-                               debug_log ("\n\n\n\n \t HLS profile \n\n\n");
-                               data->uri_type = MM_PLAYER_URI_TYPE_HLS;
-                       }
-                       else
-#endif
-                               data->uri_type = MM_PLAYER_URI_TYPE_URL_HTTP;
+       g_list_free( element_bucket );
 
-                       ret = TRUE;
-               }
-       }
-       else if ((path = strstr(uri, "https://")))
-       {
-               if (strlen(path)) {
-                       strcpy(data->uri, uri);
+       if (pad)
+               gst_object_unref(GST_OBJECT(pad));
 
-#ifdef NO_USE_GST_HLSDEMUX
-                       if ((path = strstr(uri, "m3u")))
-                       {
-                               debug_log ("++++++++++++++++++++ M3U +++++++++++++++++++++\n");
-                               debug_log ("\n\n\n\n \t HLS profile \n\n\n");
-                               data->uri_type = MM_PLAYER_URI_TYPE_HLS;
-                       }
-                       else
-#endif
-                               data->uri_type = MM_PLAYER_URI_TYPE_URL_HTTP;
-                       
-                       ret = TRUE;
-               }
-       }
-       else if ((path = strstr(uri, "rtspu://")))
+       /* release videobin with it's childs */
+       if ( videobin[MMPLAYER_V_BIN].gst )
        {
-               if (strlen(path)) {
-                       strcpy(data->uri, uri);
-                       data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
-                       ret = TRUE;
-               }
+               gst_object_unref(GST_OBJECT(videobin[MMPLAYER_V_BIN].gst));
        }
-       else if ((path = strstr(uri, "rtspr://")))
-       {
-               strcpy(data->uri, path);
-               char *separater =strstr(path, "*");
 
-               if (separater) {
-                       int urgent_len = 0;
-                       char *urgent = separater + strlen("*");
 
-                       if ((urgent_len = strlen(urgent))) {
-                               data->uri[strlen(path) - urgent_len - strlen("*")] = '\0';
-                               strcpy(data->urgent, urgent);
-                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
-                               ret = TRUE;
-                       }
-               }
-       }
-       else if ((path = strstr(uri, "mms://")))
-       {
-               if (strlen(path)) {
-                       strcpy(data->uri, uri);
-                       data->uri_type = MM_PLAYER_URI_TYPE_URL_MMS;
-                       ret = TRUE;
-               }
-       }
-       else if ((path = strstr(uri, "mem://")))
-       {
-               if (strlen(path)) {
-                       int mem_size = 0;
-                       char *buffer = NULL;
-                       char *seperator = strchr(path, ',');
-                       char ext[100] = {0,}, size[100] = {0,};
+       MMPLAYER_FREEIF( videobin );
 
-                       if (seperator) {
-                               if ((buffer = strstr(path, "ext="))) {
-                                       buffer += strlen("ext=");
+       player->pipeline->videobin = NULL;
 
-                                       if (strlen(buffer)) {
-                                               strcpy(ext, buffer);
+       return MM_ERROR_PLAYER_INTERNAL;
+}
 
-                                               if ((seperator = strchr(ext, ','))
-                                                       || (seperator = strchr(ext, ' '))
-                                                       || (seperator = strchr(ext, '\0'))) {
-                                                       seperator[0] = '\0';
-                                               }
-                                       }
-                               }
+static int __mmplayer_gst_create_plain_text_elements(mm_player_t* player)
+{
+       GList *element_bucket = NULL;
+       MMPlayerGstElement *textbin = player->pipeline->textbin;
 
-                               if ((buffer = strstr(path, "size="))) {
-                                       buffer += strlen("size=");
+       MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEXT_FAKE_QUEUE, "queue", "text_f_queue", TRUE, player);
+       MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_FAKE_SINK, "fakesink", "text_fakesink", TRUE, player);
+       MMPLAYER_SIGNAL_CONNECT( player,
+                                                       G_OBJECT(textbin[MMPLAYER_T_FAKE_SINK].gst),
+                                                       MM_PLAYER_SIGNAL_TYPE_TEXTBIN,
+                                                       "handoff",
+                                                       G_CALLBACK(__mmplayer_update_subtitle),
+                                                       (gpointer)player );
 
-                                       if (strlen(buffer) > 0) {
-                                               strcpy(size, buffer);
+       g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "async", TRUE, NULL);
+       g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "sync", TRUE, NULL);
+       g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "signal-handoffs", TRUE, NULL);
 
-                                               if ((seperator = strchr(size, ','))
-                                                       || (seperator = strchr(size, ' '))
-                                                       || (seperator = strchr(size, '\0'))) {
-                                                       seperator[0] = '\0';
-                                               }
+       if (!player->play_subtitle)
+       {
+               debug_log ("add textbin sink as sink element of whole pipeline.\n");
+               __mmplayer_add_sink (player, GST_ELEMENT(textbin[MMPLAYER_T_FAKE_SINK].gst));
+       }
 
-                                               mem_size = atoi(size);
-                                       }
-                               }
-                       }
+       /* adding created elements to bin */
+       debug_log("adding created elements to bin\n");
+       if( !__mmplayer_gst_element_add_bucket_to_bin( GST_BIN(textbin[MMPLAYER_T_BIN].gst), element_bucket ))
+       {
+               debug_error("failed to add elements\n");
+               goto ERROR;
+       }
 
-                       debug_log("ext: %s, mem_size: %d, mmap(param): %p\n", ext, mem_size, param);
-                       if ( mem_size && param) {
-                                       data->mem = param;
-                                       data->mem_size = mem_size;
-                               data->uri_type = MM_PLAYER_URI_TYPE_MEM;
-                               ret = TRUE;
-                       }
-               }
+       /* unset sink flag from textbin. not to hold eos when video data is shorter than subtitle */
+       GST_OBJECT_FLAG_UNSET (textbin[MMPLAYER_T_BIN].gst, GST_ELEMENT_IS_SINK);
+       GST_OBJECT_FLAG_UNSET (textbin[MMPLAYER_T_FAKE_SINK].gst, GST_ELEMENT_IS_SINK);
+
+       /* linking elements in the bucket by added order. */
+       debug_log("Linking elements in the bucket by added order.\n");
+       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
+       {
+               debug_error("failed to link elements\n");
+               goto ERROR;
        }
-       else
+
+       /* done. free allocated variables */
+       g_list_free(element_bucket);
+
+       if (textbin[MMPLAYER_T_TEXT_FAKE_QUEUE].gst)
        {
-               /* if no protocol prefix exist. check file existence and then give file:// as it's prefix */
-               if (util_exist_file_path(uri))
+               GstPad *pad = NULL;
+               GstPad *ghostpad = NULL;
+
+               pad = gst_element_get_static_pad(GST_ELEMENT(textbin[MMPLAYER_T_TEXT_FAKE_QUEUE].gst), "sink");
+               if (!pad)
                {
-                       debug_warning("uri has no protocol-prefix. giving 'file://' by default.\n");
+                       debug_error("failed to get video pad of textbin\n");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
 
-                       sprintf( data->uri, "file://%s", uri );
+               ghostpad = gst_ghost_pad_new("text_sink", pad);
+               gst_object_unref(pad);
 
-                       if ( util_is_sdp_file( (char*)uri ) )
-                       {
-                               debug_log("uri is actually a file but it's sdp file. giving it to rtspsrc\n");
-                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
-                       }
-                       else
-                       {
-                       data->uri_type = MM_PLAYER_URI_TYPE_FILE;
-                       }
-                       ret = TRUE;
+               if (!ghostpad)
+               {
+                       debug_error("failed to create ghostpad of textbin\n");
+                       goto ERROR;
                }
-               else
+
+               if (!gst_element_add_pad(textbin[MMPLAYER_T_BIN].gst, ghostpad))
                {
-                       debug_error ("invalid uri, could not play..\n");
-                       data->uri_type = MM_PLAYER_URI_TYPE_NONE;
+                       debug_error("failed to add ghostpad to textbin\n");
+                       goto ERROR;
                }
        }
-       
-       if (data->uri_type == MM_PLAYER_URI_TYPE_NONE) {
-               ret = FALSE;
-       }
 
+       return MM_ERROR_NONE;
 
-       /* dump parse result */
-       debug_log("profile parsing result ---\n");
-       debug_log("incomming uri : %s\n", uri);
-       debug_log("uri : %s\n", data->uri);
-       debug_log("uri_type : %d\n", data->uri_type);
-       debug_log("play_mode : %d\n", data->play_mode);
-       debug_log("mem : 0x%x\n", (guint)data->mem);
-       debug_log("mem_size : %d\n", data->mem_size);
-       debug_log("urgent : %s\n", data->urgent);
-       debug_log("--------------------------\n");
-
-       debug_fleave();
+ERROR:
+       g_list_free(element_bucket);
 
-       return ret;
+       return MM_ERROR_PLAYER_INTERNAL;
 }
 
-gboolean _asm_postmsg(gpointer *data)
-{
-       mm_player_t* player = (mm_player_t*)data;
-       MMMessageParamType msg = {0, };
-
-       debug_fenter();
-
-       return_val_if_fail ( player, FALSE );
-
-       msg.union_type = MM_MSG_UNION_CODE;
-       msg.code = player->sm.event_src;
-       
-       MMPLAYER_POST_MSG( player, MM_MESSAGE_READY_TO_RESUME, &msg);
-       
-       return FALSE;
-}
-gboolean _asm_lazy_pause(gpointer *data)
+static int __mmplayer_gst_create_text_pipeline(mm_player_t* player)
 {
-       mm_player_t* player = (mm_player_t*)data;
-       int ret = MM_ERROR_NONE;
+       MMPlayerGstElement *textbin = NULL;
+       GList *element_bucket = NULL;
+       GstPad *pad = NULL;
+       GstPad *ghostpad = NULL;
+       gint i = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, FALSE );
+       return_val_if_fail( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       if (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PLAYING)
+       /* alloc handles */
+       textbin = (MMPlayerGstElement*)g_malloc0(sizeof(MMPlayerGstElement) * MMPLAYER_T_NUM);
+       if ( ! textbin )
        {
-               debug_log ("Ready to proceed lazy pause\n");
-               ret = _mmplayer_pause((MMHandleType)player);
-               if(MM_ERROR_NONE != ret)
-               {
-                       debug_error("MMPlayer pause failed in ASM callback lazy pause\n");
-               }       
+               debug_error("failed to allocate memory for textbin\n");
+               return MM_ERROR_PLAYER_NO_FREE_SPACE;
        }
-       else
+
+       /* create bin */
+       textbin[MMPLAYER_T_BIN].id = MMPLAYER_T_BIN;
+       textbin[MMPLAYER_T_BIN].gst = gst_bin_new("textbin");
+       if ( !textbin[MMPLAYER_T_BIN].gst )
        {
-               debug_log ("Invalid state to proceed lazy pause\n");
+               debug_error("failed to create textbin\n");
+               goto ERROR;
        }
 
-       /* unset mute */
-       if (player->pipeline && player->pipeline->audiobin)
-               g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 0, NULL);
+       /* take it */
+       player->pipeline->textbin = textbin;
 
-       player->sm.by_asm_cb = 0; //should be reset here
+       /* fakesink */
+       if (player->use_textoverlay)
+       {
+               debug_log ("use textoverlay for displaying \n");
 
-       debug_fleave();
+               MMPLAYER_CREATE_ELEMENT_ADD_BIN(textbin, MMPLAYER_T_TEXT_QUEUE, "queue", "text_t_queue", textbin[MMPLAYER_T_BIN].gst, player);
 
-       return FALSE;
-}
-ASM_cb_result_t
-__mmplayer_asm_callback(int handle, ASM_event_sources_t event_src, ASM_sound_commands_t command, unsigned int sound_status, void* cb_data)
-{
-       mm_player_t* player = (mm_player_t*) cb_data;
-       ASM_cb_result_t cb_res = ASM_CB_RES_IGNORE;
-       MMHandleType attrs = 0;
-       int result = MM_ERROR_NONE;
-       gboolean lazy_pause = FALSE;
+               MMPLAYER_CREATE_ELEMENT_ADD_BIN(textbin, MMPLAYER_T_VIDEO_QUEUE, "queue", "text_v_queue", textbin[MMPLAYER_T_BIN].gst, player);
 
-       debug_fenter();
+               MMPLAYER_CREATE_ELEMENT_ADD_BIN(textbin, MMPLAYER_T_VIDEO_CONVERTER, "fimcconvert", "text_v_converter", textbin[MMPLAYER_T_BIN].gst, player);
 
-       return_val_if_fail ( player && player->pipeline, ASM_CB_RES_IGNORE );
-       return_val_if_fail ( player->attrs, MM_ERROR_PLAYER_INTERNAL );
+               MMPLAYER_CREATE_ELEMENT_ADD_BIN(textbin, MMPLAYER_T_OVERLAY, "textoverlay", "text_overlay", textbin[MMPLAYER_T_BIN].gst, player);
 
-       if (player->is_sound_extraction)
-       {
-               debug_log("sound extraction is working...so, asm command is ignored.\n");
-               return result;
-       }
-       
-       player->sm.by_asm_cb = 1; // it should be enabled for player state transition with called application command
-       player->sm.event_src = event_src;
+               if (!gst_element_link_pads (textbin[MMPLAYER_T_VIDEO_QUEUE].gst, "src", textbin[MMPLAYER_T_VIDEO_CONVERTER].gst, "sink"))
+               {
+                       debug_error("failed to link queue and converter\n");
+                       goto ERROR;
+               }
 
-       if(event_src == ASM_EVENT_SOURCE_OTHER_PLAYER_APP)
-       {
-               player->sm.event_src = ASM_EVENT_SOURCE_OTHER_APP;
-       }
-       else if(event_src == ASM_EVENT_SOURCE_EARJACK_UNPLUG )
-       {
-               int stop_by_asm = 0;
+               if (!gst_element_link_pads (textbin[MMPLAYER_T_VIDEO_CONVERTER].gst, "src", textbin[MMPLAYER_T_OVERLAY].gst, "video_sink"))
+               {
+                       debug_error("failed to link queue and textoverlay\n");
+                       goto ERROR;
+               }
 
-               mm_attrs_get_int_by_name(player->attrs, "sound_stop_when_unplugged", &stop_by_asm);
-               if (!stop_by_asm)
-                       return cb_res;
-       }
-       else if (event_src == ASM_EVENT_SOURCE_RESOURCE_CONFLICT)
-       {
-               /* can use video overlay simultaneously */
-               /* video resource conflict */
-               if(player->pipeline->videobin) 
+               if (!gst_element_link_pads (textbin[MMPLAYER_T_TEXT_QUEUE].gst, "src", textbin[MMPLAYER_T_OVERLAY].gst, "text_sink"))
+               {
+                       debug_error("failed to link queue and textoverlay\n");
+                       goto ERROR;
+               }
+
+               if (textbin[MMPLAYER_T_TEXT_QUEUE].gst)
                {
-                       if (PLAYER_INI()->multiple_codec_supported)
+                       pad = gst_element_get_static_pad(GST_ELEMENT(textbin[MMPLAYER_T_TEXT_QUEUE].gst), "sink");
+                       if (!pad)
                        {
-                               debug_log("video conflict but, can support to use video overlay simultaneously");
-                               result = _mmplayer_pause((MMHandleType)player);
-                               cb_res = ASM_CB_RES_PAUSE;
+                               debug_error("failed to get src pad of textbin\n");
+                               goto ERROR;
                        }
-                       else
+
+                       ghostpad = gst_ghost_pad_new("sink", pad);
+                       if (!ghostpad)
                        {
-                               debug_log("video conflict, can't support for multiple codec instance");
-                               result = _mmplayer_unrealize((MMHandleType)player);
-                               cb_res = ASM_CB_RES_STOP;
+                               debug_error("failed to create ghostpad of textbin\n");
+                               goto ERROR;
+                       }
+
+                       if (!gst_element_add_pad(textbin[MMPLAYER_T_BIN].gst, ghostpad))
+                       {
+                               debug_error("failed to add ghostpad to textbin\n");
+                               goto ERROR;
                        }
                }
-               return cb_res;
        }
-
-       switch(command)
+       else
        {
-               case ASM_COMMAND_PLAY:
-               case ASM_COMMAND_STOP:
-                       debug_warning ("Got unexpected asm command (%d)", command);
-               break;
-                       
-               case ASM_COMMAND_PAUSE:
+               int surface_type = 0;
+               GstCaps* caps = NULL;
+
+               debug_log ("use subtitle message for displaying \n");
+
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &surface_type);
+
+               switch(surface_type)
                {
-                       debug_log("Got msg from asm to Pause");
-                       
-                       if(event_src == ASM_EVENT_SOURCE_CALL_START
-                               || event_src == ASM_EVENT_SOURCE_ALARM_START
-                               || event_src == ASM_EVENT_SOURCE_OTHER_APP)
-                       {
-                               //hold 0.7 second to excute "fadedown mute" effect
-                               debug_log ("do fade down->pause->undo fade down");
-                                       
-                               __mmplayer_do_sound_fadedown(player, MM_PLAYER_FADEOUT_TIME_DEFAULT);
-                                       
-                               result = _mmplayer_pause((MMHandleType)player);
-                               if (result != MM_ERROR_NONE)
+                       case MM_DISPLAY_SURFACE_X:
+                       {
+                               /* check whether external subtitle supported or not  */
+                               if (!player->ini.external_subtitle)
                                {
-                                       debug_warning("fail to set Pause state by asm");
-                                       cb_res = ASM_CB_RES_IGNORE;
+                                       debug_log ("not supported external subtitle\n");
+                                       if (__mmplayer_gst_create_plain_text_elements(player) != MM_ERROR_NONE)
+                                       {
+                                               debug_error("failed to make plain text elements\n");
+                                               goto ERROR;
+                                       }
                                        break;
                                }
-                               __mmplayer_undo_sound_fadedown(player);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEE, "tee", "text_tee", TRUE, player);
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEXT_FAKE_QUEUE, "queue", "text_f_queue", TRUE, player);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_FAKE_QUEUE].gst),
+                                                                               "max-size-time", (guint64)0,
+                                                                               "max-size-bytes", (guint)0,
+                                                                               "max-size-buffers", (guint)5,
+                                                                               NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEXT_FAKE_IDENTITY, "identity", "text_f_identity", TRUE, player);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst), "signal-handoffs", FALSE, NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_FAKE_SINK, "fakesink", "text_fakesink", TRUE, player);
+                               MMPLAYER_SIGNAL_CONNECT( player,
+                                                                       G_OBJECT(textbin[MMPLAYER_T_FAKE_SINK].gst),
+                                                                               MM_PLAYER_SIGNAL_TYPE_TEXTBIN,
+                                                                       "handoff",
+                                                                       G_CALLBACK(__mmplayer_update_subtitle),
+                                                                       (gpointer)player );
+
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "async", FALSE, NULL);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "sync", TRUE, NULL);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "signal-handoffs", TRUE, NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEXT_QUEUE, "queue", "text_queue", TRUE, player);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_QUEUE].gst),
+                                                                               "max-size-time", (guint64)0,
+                                                                               "max-size-bytes", (guint)0,
+                                                                               "max-size-buffers", (guint)5,
+                                                                               NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_TEXT_IDENTITY, "identity", "text_identity", TRUE, player);
+                               g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_IDENTITY].gst), "signal-handoffs", FALSE, NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_RENDER, "subrender", "text_subrender", TRUE, player);
+
+                               if (player->font_desc == NULL)
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_RENDER].gst), "font-desc", "Tizen 42", NULL);
+                               else
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_RENDER].gst), "font-desc", player->font_desc, NULL);
+
+                               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_RENDER].gst), "font-color", player->font_color, NULL);
+                               g_object_set (G_OBJECT (player->pipeline->textbin[MMPLAYER_T_RENDER].gst), "font-bg-color", player->font_bg_color, NULL);
+
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_CAPSFILTER, "capsfilter", "text_capsfilter", TRUE, player);
+                               caps = gst_caps_from_string( "video/x-raw-rgb, "
+                               "width = (int) [ 1, MAX ], "
+                               "height = (int) [ 1, MAX ], "
+                               "framerate = (fraction) [ 0, MAX ], "
+                               "subtitle = (boolean) true" );
+                               g_object_set (G_OBJECT(textbin[MMPLAYER_T_CAPSFILTER].gst), "caps", caps, NULL );
+                               gst_caps_unref( caps );
+                               MMPLAYER_CREATE_ELEMENT(textbin, MMPLAYER_T_VIDEO_SINK, "xvimagesink", "text_xvimagesink", TRUE, player);
+                               g_object_set(G_OBJECT(textbin[MMPLAYER_T_VIDEO_SINK].gst), "subpicture", TRUE, NULL);
+
+                               player->display_stat = util_get_is_connected_external_display();
+
+                               if(player->display_stat == MMPLAYER_DISPLAY_STATUS_UNKNOWN_ACTIVE)
+                               {
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_RENDER].gst), "external-width", player->ini.mirroring_width, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_RENDER].gst), "external-height", player->ini.mirroring_height, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_VIDEO_SINK].gst), "external-width", player->ini.mirroring_width, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_VIDEO_SINK].gst), "external-height", player->ini.mirroring_height, NULL);
+                               }
+                               g_object_set(G_OBJECT(textbin[MMPLAYER_T_VIDEO_SINK].gst), "show-preroll-frame", FALSE, NULL);
+
+                               /* if connected with external display */
+                               if ((player->display_stat == MMPLAYER_DISPLAY_STATUS_HDMI_ACTIVE) ||
+                                       (player->display_stat == MMPLAYER_DISPLAY_STATUS_UNKNOWN_ACTIVE)) {
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst), "drop-probability", (gfloat)1.0, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_IDENTITY].gst), "drop-probability", (gfloat)0.0, NULL);
+                                       debug_warning ("connected with external display");
+                               } else {
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst), "drop-probability", (gfloat)0.0, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_TEXT_IDENTITY].gst), "drop-probability", (gfloat)1.0, NULL);
+                                       g_object_set(G_OBJECT(textbin[MMPLAYER_T_VIDEO_SINK].gst), "async", FALSE, NULL);
+                                       g_object_set (G_OBJECT (textbin[MMPLAYER_T_FAKE_SINK].gst), "async", FALSE, NULL);
+
+                                       debug_warning ("non-connected status");
+                               }
+                               if (!player->play_subtitle)
+                               {
+                                       debug_log ("add textbin sink as sink element of whole pipeline.\n");
+                                       __mmplayer_add_sink (player, GST_ELEMENT(textbin[MMPLAYER_T_FAKE_SINK].gst));
+                                       __mmplayer_add_sink (player, GST_ELEMENT(textbin[MMPLAYER_T_VIDEO_SINK].gst));
+                               }
+
+                               /* adding created elements to bin */
+                               if( !__mmplayer_gst_element_add_bucket_to_bin( GST_BIN(textbin[MMPLAYER_T_BIN].gst), element_bucket ))
+                               {
+                                       debug_error("failed to add elements\n");
+                                       goto ERROR;
+                               }
+
+                               /* unset sink flag from textbin. not to hold eos when video data is shorter than subtitle */
+                               GST_OBJECT_FLAG_UNSET (textbin[MMPLAYER_T_BIN].gst, GST_ELEMENT_IS_SINK);
+                               GST_OBJECT_FLAG_UNSET (textbin[MMPLAYER_T_FAKE_SINK].gst, GST_ELEMENT_IS_SINK);
+                               GST_OBJECT_FLAG_UNSET (textbin[MMPLAYER_T_VIDEO_SINK].gst, GST_ELEMENT_IS_SINK);
+
+                               /* linking elements in the bucket by added order. */
+                               GstPad *pad, *rpad;
+
+                               rpad = gst_element_get_request_pad(textbin[MMPLAYER_T_TEE].gst, "src%d");
+                               pad = gst_element_get_static_pad(textbin[MMPLAYER_T_TEXT_FAKE_QUEUE].gst, "sink");
+                               gst_pad_link(rpad, pad);
+                               gst_object_unref(rpad);
+                               gst_object_unref(pad);
+
+                               rpad = gst_element_get_request_pad(textbin[MMPLAYER_T_TEE].gst, "src%d");
+                               pad = gst_element_get_static_pad(textbin[MMPLAYER_T_TEXT_QUEUE].gst, "sink");
+                               gst_pad_link(rpad, pad);
+                               gst_object_unref(rpad);
+                               gst_object_unref(pad);
+
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_TEXT_FAKE_QUEUE].gst, "src", textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst, "sink")) {
+                                       debug_error ("fake queue and identity could not be linked.\n");
+                                       goto ERROR;
+                               }
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_TEXT_FAKE_IDENTITY].gst, "src", textbin[MMPLAYER_T_FAKE_SINK].gst, "sink")) {
+                                       debug_error ("indentity and fake sink could not be linked.\n");
+                                       goto ERROR;
+                               }
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_TEXT_QUEUE].gst, "src", textbin[MMPLAYER_T_TEXT_IDENTITY].gst, "sink")) {
+                                       debug_error ("queue and identity could not be linked.\n");
+                                       goto ERROR;
+                               }
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_TEXT_IDENTITY].gst, "src", textbin[MMPLAYER_T_RENDER].gst, "sink")) {
+                                       debug_error ("identity and subrender could not be linked.\n");
+                                       goto ERROR;
+                               }
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_RENDER].gst, "src", textbin[MMPLAYER_T_CAPSFILTER].gst, "sink")) {
+                                       debug_error ("subrender and capsfilter could not be linked.\n");
+                                       goto ERROR;
+                               }
+                               if (!gst_element_link_pads (textbin[MMPLAYER_T_CAPSFILTER].gst, "src", textbin[MMPLAYER_T_VIDEO_SINK].gst, "sink")) {
+                                       debug_error ("capsfilter and xvimagesink could not be linked.\n");
+                                       goto ERROR;
+                               }
+
+                               /* done. free allocated variables */
+                               g_list_free(element_bucket);
+                               if (textbin[MMPLAYER_T_TEE].gst)
+                               {
+                                       pad = gst_element_get_static_pad(GST_ELEMENT(textbin[MMPLAYER_T_TEE].gst), "sink");
+                                       if (!pad)
+                                       {
+                                               debug_error("failed to get text pad of textbin\n");
+                                               goto ERROR;
+                                       }
+
+                                       ghostpad = gst_ghost_pad_new("text_sink", pad);
+                                       if (!ghostpad)
+                                       {
+                                               debug_error("failed to create ghostpad of textbin\n");
+                                               goto ERROR;
+                                       }
+
+                                       if ( FALSE == gst_element_add_pad(textbin[MMPLAYER_T_BIN].gst, ghostpad) )
+                                       {
+                                               debug_error("failed to add ghostpad to textbin\n");
+                                               goto ERROR;
+                                       }
+                               }
+
+                               break;
                        }
-                       else if(event_src == ASM_EVENT_SOURCE_OTHER_PLAYER_APP)
-                       {
-                               lazy_pause = TRUE; // return as soon as possible, for fast start of other app
 
-                               if ( player->pipeline->audiobin && player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
-                                       g_object_set( player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "mute", 2, NULL);
+                       case MM_DISPLAY_SURFACE_EVAS:
+                       case MM_DISPLAY_SURFACE_GL:
+                       case MM_DISPLAY_SURFACE_NULL:
+                       case MM_DISPLAY_SURFACE_X_EXT:
+                               if (__mmplayer_gst_create_plain_text_elements(player) != MM_ERROR_NONE)
+                               {
+                                       debug_error("failed to make plain text elements\n");
+                                       goto ERROR;
+                               }
+                               break;
+
+                       default:
+                               break;
+               }
+       }
+       gst_object_unref(pad);
+
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+
+ERROR:
+
+       debug_log("ERROR : releasing textbin\n");
+
+       if ( pad )
+               gst_object_unref(GST_OBJECT(pad));
+
+       if ( ghostpad )
+               gst_object_unref(GST_OBJECT(ghostpad));
+
+       g_list_free( element_bucket );
+
+       /* release element which are not added to bin */
+       for ( i = 1; i < MMPLAYER_T_NUM; i++ )  /* NOTE : skip bin */
+       {
+               if ( textbin[i].gst )
+               {
+                       GstObject* parent = NULL;
+                       parent = gst_element_get_parent( textbin[i].gst );
 
-                               player->lazy_pause_event_id = g_timeout_add(LAZY_PAUSE_TIMEOUT_MSEC, (GSourceFunc)_asm_lazy_pause, (gpointer)player);
-                               debug_log ("set lazy pause timer (id=[%d], timeout=[%d ms])", player->lazy_pause_event_id, LAZY_PAUSE_TIMEOUT_MSEC);
+                       if ( !parent )
+                       {
+                               gst_object_unref(GST_OBJECT(textbin[i].gst));
+                               textbin[i].gst = NULL;
                        }
                        else
                        {
-                               //immediate pause
-                               debug_log ("immediate pause");
-                               result = _mmplayer_pause((MMHandleType)player);
+                               gst_object_unref(GST_OBJECT(parent));
                        }
-                       cb_res = ASM_CB_RES_PAUSE;
-               }
-               break;
-                       
-               case ASM_COMMAND_RESUME:
-               {
-                       debug_log("Got msg from asm to Resume. So, application can resume. code (%d) \n", event_src);
-                       player->sm.by_asm_cb = 0;
-                       //ASM server is single thread daemon. So use g_idle_add() to post resume msg
-                       g_idle_add((GSourceFunc)_asm_postmsg, (gpointer)player);
-                       cb_res = ASM_CB_RES_IGNORE;
                }
-               break;
+       }
 
-               default:
-               break;
+       /* release textbin with it's childs */
+       if ( textbin[MMPLAYER_T_BIN].gst )
+       {
+               gst_object_unref(GST_OBJECT(textbin[MMPLAYER_T_BIN].gst));
        }
 
-       if (!lazy_pause)
-               player->sm.by_asm_cb = 0;
+       MMPLAYER_FREEIF( textbin );
 
-       debug_fleave();
+       player->pipeline->textbin = NULL;
 
-       return cb_res;
+       return MM_ERROR_PLAYER_INTERNAL;
 }
 
-int
-_mmplayer_create_player(MMHandleType handle) // @
-{
-       mm_player_t* player = MM_PLAYER_CAST(handle);
-       gint i;
-
-       debug_fenter();
-
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       MMTA_ACUM_ITEM_BEGIN("[KPI] media player service create->playing", FALSE);
+static int
+__mmplayer_gst_create_subtitle_src(mm_player_t* player)
+{
+       MMPlayerGstElement* mainbin = NULL;
+       MMHandleType attrs = 0;
+       GstElement *subsrc = NULL;
+       GstElement *subparse = NULL;
+       gchar *subtitle_uri =NULL;
+       const gchar *charset = NULL;
+       GstPad *sinkpad = NULL;
+       GstPad *srcpad = NULL;
+       GstPad *pad = NULL;
 
-       /* initialize player state */
-       MMPLAYER_CURRENT_STATE(player) = MM_PLAYER_STATE_NONE;
-       MMPLAYER_PREV_STATE(player) = MM_PLAYER_STATE_NONE;
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
-       MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_NONE;
-       MMPLAYER_PRINT_STATE(player);   
+       MMPLAYER_FENTER();
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL ( player, MMPLAYER_COMMAND_CREATE );
+       /* get mainbin */
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       /* construct attributes */
-       player->attrs = _mmplayer_construct_attribute(handle);
+       mainbin = player->pipeline->mainbin;
 
-       if ( !player->attrs )
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
        {
-               debug_critical("Failed to construct attributes\n");
-               goto ERROR;
+               debug_error("cannot get content attribute\n");
+               return MM_ERROR_PLAYER_INTERNAL;
        }
 
-       /* initialize gstreamer with configured parameter */
-       if ( ! __mmplayer_gstreamer_init() )
+       mm_attrs_get_string_by_name ( attrs, "subtitle_uri", &subtitle_uri );
+       if ( !subtitle_uri || strlen(subtitle_uri) < 1)
        {
-               debug_critical("Initializing gstreamer failed\n");
-               goto ERROR;
+               debug_error("subtitle uri is not proper filepath.\n");
+               return MM_ERROR_PLAYER_INVALID_URI;
        }
+       debug_log("subtitle file path is [%s].\n", subtitle_uri);
 
-       /* initialize factories if not using decodebin */
-       if ( FALSE == PLAYER_INI()->use_decodebin )
-       {
-               if( player->factories == NULL )
-                   __mmplayer_init_factories(player);
-       }
 
-       /* create lock. note that g_tread_init() has already called in gst_init() */
-       player->fsink_lock = g_mutex_new();
-       if ( ! player->fsink_lock )
+       /* create the subtitle source */
+       subsrc = gst_element_factory_make("filesrc", "subtitle_source");
+       if ( !subsrc )
        {
-               debug_critical("Cannot create mutex for command lock\n");
+               debug_error ( "failed to create filesrc element\n" );
                goto ERROR;
        }
+       g_object_set(G_OBJECT (subsrc), "location", subtitle_uri, NULL);
 
-       /* create repeat mutex */
-       player->repeat_thread_mutex = g_mutex_new();
-       if ( ! player->repeat_thread_mutex )
+       mainbin[MMPLAYER_M_SUBSRC].id = MMPLAYER_M_SUBSRC;
+       mainbin[MMPLAYER_M_SUBSRC].gst = subsrc;
+
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), subsrc))
        {
-               debug_critical("Cannot create repeat mutex\n");
+               debug_warning("failed to add queue\n");
                goto ERROR;
        }
 
-       /* create repeat cond */
-       player->repeat_thread_cond = g_cond_new();
-       if ( ! player->repeat_thread_cond )
+       /* subparse */
+       subparse = gst_element_factory_make("submux", "external-submux");
+       if ( !subparse )
        {
-               debug_critical("Cannot create repeat cond\n");
+               debug_error ( "failed to create subparse element\n" );
                goto ERROR;
        }
 
-       /* create repeat thread */
-       player->repeat_thread =
-               g_thread_create (__mmplayer_repeat_thread, (gpointer)player, TRUE, NULL);
-       if ( ! player->repeat_thread )
+       charset = util_get_charset(subtitle_uri);
+       if (charset)
        {
-               goto ERROR;
+               debug_log ("detected charset is %s\n", charset );
+               g_object_set (G_OBJECT (subparse), "subtitle-encoding", charset, NULL);
        }
 
-       if ( MM_ERROR_NONE != _mmplayer_initialize_video_capture(player))
+       mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].id = MMPLAYER_M_T_SUBMUX_EXTERNAL;
+       mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].gst = subparse;
+
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), subparse))
        {
-               debug_error("failed to initialize video capture\n");
+               debug_warning("failed to add subparse\n");
                goto ERROR;
        }
+       sinkpad = gst_element_get_request_pad (subparse, "sink%d");
+       srcpad =  gst_element_get_pad(subsrc,"src");
 
-       /* register to asm */
-       if ( MM_ERROR_NONE != _mmplayer_asm_register(&player->sm, (ASM_sound_cb_t)__mmplayer_asm_callback, (void*)player) )
+       /* link filesrc & submux */
+       if (gst_pad_link (srcpad, sinkpad) != 0)
        {
-               /* NOTE : we are dealing it as an error since we cannot expect it's behavior */
-               debug_error("failed to register asm server\n");
-               return MM_ERROR_POLICY_INTERNAL;
+               debug_warning("failed to link subsrc and subparse\n");
+               goto ERROR;
        }
 
-       if (MMPLAYER_IS_HTTP_PD(player))
+       player->play_subtitle = TRUE;
+       player->adjust_subtitle_pos = 0;
+
+       debug_log ("play subtitle using subtitle file\n");
+
+       if (player->pipeline->textbin == NULL)
        {
-               player->pd_downloader = NULL;
-               player->pd_file_location = NULL;
-       }
+               /* if textbin is null, assuming input selector also not created */
+               GstElement *selector = NULL;
 
-       /* give default value of sound effect setting */
-       player->audio_filter_info.filter_type = MM_AUDIO_FILTER_TYPE_NONE;
-       player->bypass_sound_effect = TRUE;
+               /* input selector */
+               selector = gst_element_factory_make("input-selector", "subtitle_inselector");
+               if (!selector)
+               {
+                       debug_error ( "failed to create subtitle input selector element\n" );
+                       goto ERROR;
+               }
+               g_object_set (selector, "sync-streams", TRUE, NULL);
 
-       player->sound.volume = MM_VOLUME_FACTOR_DEFAULT;
+               mainbin[MMPLAYER_M_T_INPUT_SELECTOR].id = MMPLAYER_M_T_INPUT_SELECTOR;
+               mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst = selector;
 
-       /* initialize last position */
-       player->last_position = 0;
+               if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), selector))
+               {
+                       debug_warning("failed to add subtitle input selector\n");
+                       goto ERROR;
+               }
 
-       /* initialize missing plugin */
-       player->not_supported_codec = MISSING_PLUGIN_NONE;
+               if (MM_ERROR_NONE !=  __mmplayer_gst_create_text_pipeline(player))
+               {
+                       debug_error("failed to create textbin. continuing without text\n");
+                       goto ERROR;
+               }
 
-       /* initialize found plugin */
-       player->can_support_codec = FOUND_PLUGIN_NONE;
+               if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), GST_ELEMENT(player->pipeline->textbin[MMPLAYER_T_BIN].gst)))
+               {
+                       debug_warning("failed to add textbin\n");
+                       goto ERROR;
+               }
 
-       player->posted_msg = FALSE;
+               debug_log ("link text input selector and textbin ghost pad");
+               if (!gst_element_link_pads (mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "src", player->pipeline->textbin[MMPLAYER_T_BIN].gst, "text_sink"))
+               {
+                       debug_warning("failed to link subparse and textbin\n");
+                       goto ERROR;
+               }
 
-#if 0
-       /* initialize application client id for dnse */
-       player->app_id_set_up_dnse = MM_AUDIO_FILTER_CLIENT_NONE;
-#endif
-       /* set player state to ready */
-       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_NULL);
+               sinkpad = gst_element_get_request_pad (mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "sink%d");
+               if (sinkpad == NULL)
+               {
+                       debug_error ("failed to get request pad");;
+                       goto ERROR;
+               }
 
-       player->section_repeat = FALSE;
-       player->section_repeat_start = 0;
-       player->section_repeat_end = 0;
-       player->is_sound_extraction     = FALSE;
-       player->playback_rate = DEFAULT_PLAYBACK_RATE;
-       player->resumed_by_rewind = FALSE;
-       player->is_nv12_tiled = FALSE;
-       player->has_many_types = FALSE;
-       player->no_more_pad = TRUE;
-       player->parsers = NULL;
-       player->pipeline_is_constructed = FALSE;
-       
-       /*initialize adaptive http streaming handle */
-       player->ahs_player = NULL;
-       
-       /* set buffering parameter for streaming */
-       for(i=0; i<MM_PLAYER_STREAM_COUNT_MAX; i++)
+               debug_log ("Set Active Pad - %s\n", GST_DEBUG_PAD_NAME(sinkpad));
+               g_object_set (player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "active-pad", sinkpad, NULL);
+
+               player->textsink_linked  = 1;
+               player->external_text_idx = 0;
+               debug_msg("player->textsink_linked set to 1\n");
+       }
+       else
        {
-               player->bitrate[i] = 0;
-               player->maximum_bitrate[i] = 0;
+               debug_log("text bin has been created. reuse it.");
+
+               sinkpad = gst_element_get_request_pad (mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "sink%d");
+               if (sinkpad == NULL)
+               {
+                       debug_error ("failed to get request pad");;
+                       goto ERROR;
+               }
+
+               player->external_text_idx = 1;
        }
-       player->updated_bitrate_count = 0;
-       player->total_bitrate = 0;
-       player->updated_maximum_bitrate_count = 0;
-       player->total_maximum_bitrate = 0;
 
-       /* initialize unlinked  audio/video mime type */
-       player->unlinked_audio_mime = NULL;
-       player->unlinked_video_mime = NULL;
-       player->unlinked_demuxer_mime = NULL;
-       player->not_found_demuxer = 0;
-       
-       player->sent_bos = FALSE;
+       srcpad =  gst_element_get_pad (subparse,"src");
 
-       player->doing_seek = FALSE;
+       /* link submux & input selector */
+       if (gst_pad_link (srcpad, sinkpad) != 0)
+       {
+               debug_warning("failed to link submux and input selector\n");
+               goto ERROR;
+       }
 
-       player->lazy_pause_event_id = 0;
-       
-       player->streamer = NULL;
+       pad = gst_element_get_static_pad (player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst, "sink");
 
-       player->play_subtitle = FALSE;
+       if (!pad)
+       {
+               debug_error("failed to get sink pad from textsink to probe data");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-       player->v_stream_caps = NULL;
-       
-       /* initialize pending seek */
-       player->pending_seek.is_pending = FALSE;
-       player->pending_seek.format = MM_PLAYER_POS_FORMAT_TIME;
-       player->pending_seek.pos = 0;
+       gst_pad_add_buffer_probe(pad, G_CALLBACK(__mmplayer_subtitle_adjust_position_probe), player);
+       gst_object_unref(pad);
+       pad=NULL;
 
-       /* set player state to null */
-       MMPLAYER_STATE_CHANGE_TIMEOUT(player) = PLAYER_INI()->localplayback_state_change_timeout;
-       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_NULL );
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
        return MM_ERROR_NONE;
 
 ERROR:
-       /* free lock */
-       if ( player->fsink_lock )
-               g_mutex_free( player->fsink_lock );
-       player->fsink_lock = NULL;
+       return MM_ERROR_PLAYER_INTERNAL;
+}
 
-       /* free thread */
-       if ( player->repeat_thread_cond &&
-                player->repeat_thread_mutex &&
-                player->repeat_thread )
-       {
-               player->repeat_thread_exit = TRUE;
-               g_cond_signal( player->repeat_thread_cond );
+gboolean
+__mmplayer_update_subtitle( GstElement* object, GstBuffer *buffer, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*) data;
+       MMMessageParamType msg = {0, };
+       GstClockTime duration = 0;
+       guint8 *text = NULL;
+       guint text_size = 0;
+       gboolean ret = TRUE;
 
-               g_thread_join( player->repeat_thread );
-               player->repeat_thread = NULL;
+       MMPLAYER_FENTER();
 
-               g_mutex_free ( player->repeat_thread_mutex );
-               player->repeat_thread_mutex = NULL;
+       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( buffer, FALSE );
 
-               g_cond_free ( player->repeat_thread_cond );
-               player->repeat_thread_cond = NULL;
+       text = GST_BUFFER_DATA(buffer);
+       text_size = GST_BUFFER_SIZE(buffer);
+       duration = GST_BUFFER_DURATION(buffer);
+
+       if ( player->set_mode.subtitle_off )
+       {
+               debug_log("subtitle is OFF.\n" );
+               return TRUE;
        }
-       /* clear repeat thread mutex/cond if still alive
-        * this can happen if only thread creating has failed
-        */
-       if ( player->repeat_thread_mutex )
-               g_mutex_free ( player->repeat_thread_mutex );
 
-       if ( player->repeat_thread_cond )
-               g_cond_free ( player->repeat_thread_cond );
+       if ( !text || (text_size == 0))
+       {
+               debug_log("There is no subtitle to be displayed.\n" );
+               return TRUE;
+       }
 
-       /* release attributes */
-       _mmplayer_deconstruct_attribute(handle);
+       msg.data = (void *) text;
+       msg.subtitle.duration = GST_TIME_AS_MSECONDS(duration);
 
-       return MM_ERROR_PLAYER_INTERNAL;
+       debug_log("update subtitle : [%ld msec] %s\n'", msg.subtitle.duration, (char*)msg.data );
+
+       MMPLAYER_POST_MSG( player, MM_MESSAGE_UPDATE_SUBTITLE, &msg );
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
 }
 
 static gboolean
-__mmplayer_gstreamer_init(void) // @
+__mmplayer_subtitle_adjust_position_probe(GstPad *pad, GstBuffer *buffer, gpointer u_data)
 {
-       static gboolean initialized = FALSE;
-       static const int max_argc = 50;
-       gint* argc = NULL;
-       gchar** argv = NULL;
-       GError *err = NULL;
-       int i = 0;
+       mm_player_t *player = (mm_player_t *) u_data;
+       GstClockTime cur_timestamp = 0;
+       gint64 adjusted_timestamp = 0;
 
-       debug_fenter();
+       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( buffer, FALSE );
 
-       if ( initialized )
+       if ( player->set_mode.subtitle_off )
        {
-               debug_log("gstreamer already initialized.\n");
+               debug_log("subtitle is OFF.\n" );
                return TRUE;
        }
 
-       /* alloc */
-       argc = malloc( sizeof(int) );
-       argv = malloc( sizeof(gchar*) * max_argc );
-
-       if ( !argc || !argv )
-               goto ERROR;
+       if (player->adjust_subtitle_pos == 0 )
+       {
+               debug_log("nothing to do");
+               return TRUE;
+       }
 
-       memset( argv, 0, sizeof(gchar*) * max_argc );
+       cur_timestamp = GST_BUFFER_TIMESTAMP(buffer);
 
-       /* add initial */
-       *argc = 1;
-       argv[0] = g_strdup( "mmplayer" );
+       adjusted_timestamp = (gint64) cur_timestamp + ((gint64) player->adjust_subtitle_pos * G_GINT64_CONSTANT(1000000));
 
-       /* add gst_param */
-       for ( i = 0; i < 5; i++ ) /* FIXIT : num of param is now fixed to 5. make it dynamic */
+       if ( adjusted_timestamp < 0)
        {
-               if ( strlen( PLAYER_INI()->gst_param[i] ) > 0 )
-               {
-                       argv[*argc] = g_strdup( PLAYER_INI()->gst_param[i] );
-                       (*argc)++;
-               }
+               debug_log("adjusted_timestamp under zero");
+               MMPLAYER_FLEAVE();
+               return FALSE;
        }
 
-       /* we would not do fork for scanning plugins */
-       argv[*argc] = g_strdup("--gst-disable-registry-fork");
-       (*argc)++;
+       GST_BUFFER_TIMESTAMP(buffer) = (GstClockTime) adjusted_timestamp;
+       debug_log("buffer timestamp changed %" GST_TIME_FORMAT " -> %" GST_TIME_FORMAT "",
+                               GST_TIME_ARGS(cur_timestamp),
+                               GST_TIME_ARGS(GST_BUFFER_TIMESTAMP(buffer)));
 
-       /* check disable registry scan */
-       if ( PLAYER_INI()->skip_rescan )
+       return TRUE;
+}
+static int     __gst_adjust_subtitle_position(mm_player_t* player, int format, int position)
+{
+       MMPLAYER_FENTER();
+
+       /* check player and subtitlebin are created */
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( player->play_subtitle, MM_ERROR_NOT_SUPPORT_API );
+
+       if (position == 0)
        {
-               argv[*argc] = g_strdup("--gst-disable-registry-update");
-               (*argc)++;
+               debug_log ("nothing to do\n");
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_NONE;
        }
 
-       /* check disable segtrap */
-       if ( PLAYER_INI()->disable_segtrap )
+       switch (format)
        {
-               argv[*argc] = g_strdup("--gst-disable-segtrap");
-               (*argc)++;
-       }
+               case MM_PLAYER_POS_FORMAT_TIME:
+               {
+                       /* check current postion */
+                       player->adjust_subtitle_pos = position;
 
-       debug_log("initializing gstreamer with following parameter\n");
-       debug_log("argc : %d\n", *argc);
+                       debug_log("save adjust_subtitle_pos in player") ;
+               }
+               break;
 
-       for ( i = 0; i < *argc; i++ )
-       {
-               debug_log("argv[%d] : %s\n", i, argv[i]);
+               default:
+               {
+                       debug_warning("invalid format.\n");
+                       MMPLAYER_FLEAVE();
+                       return MM_ERROR_INVALID_ARGUMENT;
+               }
        }
 
+       MMPLAYER_FLEAVE();
 
-       /* initializing gstreamer */
-       __ta__("gst_init time",
+       return MM_ERROR_NONE;
+}
 
-               if ( ! gst_init_check (argc, &argv, &err))
-               {
-                       debug_error("Could not initialize GStreamer: %s\n", err ? err->message : "unknown error occurred");
-                       if (err)
-                       {
-                               g_error_free (err);
-                       }
+static void
+__gst_appsrc_feed_data_mem(GstElement *element, guint size, gpointer user_data) // @
+{
+       GstElement *appsrc = element;
+       tBuffer *buf = (tBuffer *)user_data;
+       GstBuffer *buffer = NULL;
+       GstFlowReturn ret = GST_FLOW_OK;
+       gint len = size;
 
-                       goto ERROR;
-               }
-       );
+       return_if_fail ( element );
+       return_if_fail ( buf );
 
-       /* release */
-       for ( i = 0; i < *argc; i++ )
+       buffer = gst_buffer_new ();
+       if(buffer == NULL)
+               return;
+
+       if (buf->offset >= buf->len)
        {
-               MMPLAYER_FREEIF( argv[i] );
+               debug_log("call eos appsrc\n");
+               g_signal_emit_by_name (appsrc, "end-of-stream", &ret);
+               return;
        }
 
-       MMPLAYER_FREEIF( argv );
-       MMPLAYER_FREEIF( argc );
+       if ( buf->len - buf->offset < size)
+       {
+               len = buf->len - buf->offset + buf->offset;
+       }
 
-       /* done */
-       initialized = TRUE;
+       GST_BUFFER_DATA(buffer) = (guint8*)(buf->buf + buf->offset);
+       GST_BUFFER_SIZE(buffer) = len;
+       GST_BUFFER_OFFSET(buffer) = buf->offset;
+       GST_BUFFER_OFFSET_END(buffer) = buf->offset + len;
+
+       //debug_log("feed buffer %p, offset %u-%u length %u\n", buffer, buf->offset, buf->len,len);
+       g_signal_emit_by_name (appsrc, "push-buffer", buffer, &ret);
+
+       buf->offset += len;
+}
+
+static gboolean
+__gst_appsrc_seek_data_mem(GstElement *element, guint64 size, gpointer user_data) // @
+{
+       tBuffer *buf = (tBuffer *)user_data;
+
+       return_val_if_fail ( buf, FALSE );
 
-       debug_fleave();
+       buf->offset  = (int)size;
 
        return TRUE;
+}
 
-ERROR:
+static void
+__gst_appsrc_feed_data(GstElement *element, guint size, gpointer user_data) // @
+{
+       mm_player_t *player  = (mm_player_t*)user_data;
 
-       MMPLAYER_FREEIF( argv );
-       MMPLAYER_FREEIF( argc );
+       return_if_fail ( player );
 
-       return FALSE;
+       debug_msg("app-src: feed data\n");
+
+       if(player->need_data_cb)
+               player->need_data_cb(size, player->buffer_cb_user_param);
 }
 
-int 
-__mmplayer_release_extended_streaming(mm_player_t* player)
+static gboolean
+__gst_appsrc_seek_data(GstElement *element, guint64 offset, gpointer user_data) // @
 {
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       mm_player_t *player  = (mm_player_t*)user_data;
 
-       if (player->pd_downloader && MMPLAYER_IS_HTTP_PD(player))
-       {
-               _mmplayer_pd_stop ((MMHandleType)player);
-               _mmplayer_pd_deinitialize ((MMHandleType)player);
-               _mmplayer_pd_destroy((MMHandleType)player);
-       }
+       return_val_if_fail ( player, FALSE );
 
-#ifdef NO_USE_GST_HLSDEMUX
-       /* destroy can called at anytime */
-       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-       {
-               if (player->ahs_player)
-               {
-                       __mm_player_ahs_stop (player->ahs_player);
-                       __mm_player_ahs_deinitialize (player->ahs_player);
-                       __mm_player_ahs_destroy(player->ahs_player);
-                       player->ahs_player = NULL;
-               }
-       }
-#endif
+       debug_msg("app-src: seek data\n");
 
-       if (MMPLAYER_IS_STREAMING(player))
-       {
-               if (player->streamer)
-               {
-                       __mm_player_streaming_deinitialize (player->streamer);
-                       __mm_player_streaming_destroy(player->streamer);
-                       player->streamer = NULL;
-               }
-       }
+       if(player->seek_data_cb)
+               player->seek_data_cb(offset, player->buffer_cb_user_param);
+
+       return TRUE;
+}
+
+
+static gboolean
+__gst_appsrc_enough_data(GstElement *element, gpointer user_data) // @
+{
+       mm_player_t *player  = (mm_player_t*)user_data;
+
+       return_val_if_fail ( player, FALSE );
+
+       debug_msg("app-src: enough data:%p\n", player->enough_data_cb);
+
+       if(player->enough_data_cb)
+               player->enough_data_cb(player->buffer_cb_user_param);
+
+       return TRUE;
 }
 
 int
-_mmplayer_destroy(MMHandleType handle) // @
+_mmplayer_push_buffer(MMHandleType hplayer, unsigned char *buf, int size) // @
 {
-       mm_player_t* player = MM_PLAYER_CAST(handle);
+       mm_player_t* player = (mm_player_t*)hplayer;
+       GstBuffer *buffer = NULL;
+       GstFlowReturn gst_ret = GST_FLOW_OK;
+       int ret = MM_ERROR_NONE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       /* check player handle */
        return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       /* destroy can called at anytime */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL ( player, MMPLAYER_COMMAND_DESTROY );
+       /* check current state */
+//     MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_START );
 
-       __mmplayer_release_extended_streaming(player);
 
-       /* release repeat thread */
-       if ( player->repeat_thread_cond &&
-                player->repeat_thread_mutex &&
-                player->repeat_thread )
+       /* NOTE : we should check and create pipeline again if not created as we destroy
+        * whole pipeline when stopping in streamming playback
+        */
+       if ( ! player->pipeline )
        {
-               player->repeat_thread_exit = TRUE;
-               g_cond_signal( player->repeat_thread_cond );
-
-               debug_log("waitting for repeat thread exit\n");
-               g_thread_join ( player->repeat_thread );
-               g_mutex_free ( player->repeat_thread_mutex );
-               g_cond_free ( player->repeat_thread_cond );
-               debug_log("repeat thread released\n");
+               if ( MM_ERROR_NONE != __gst_realize( player ) )
+               {
+                       debug_error("failed to realize before starting. only in streamming\n");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
        }
 
-       if (MM_ERROR_NONE != _mmplayer_release_video_capture(player))
+       debug_msg("app-src: pushing data\n");
+
+       if ( buf == NULL )
        {
-               debug_error("failed to release video capture\n");
-               return MM_ERROR_PLAYER_INTERNAL;
+               debug_error("buf is null\n");
+               return MM_ERROR_NONE;
        }
 
-       /* withdraw asm */
-       if ( MM_ERROR_NONE != _mmplayer_asm_deregister(&player->sm) )
-       {
-               debug_error("failed to deregister asm server\n");
+       buffer = gst_buffer_new ();
+       if(buffer == NULL)
                return MM_ERROR_PLAYER_INTERNAL;
-       }
 
-       /* release pipeline */
-       if ( MM_ERROR_NONE != __mmplayer_gst_destroy_pipeline( player ) )
+       if (size <= 0)
        {
-               debug_error("failed to destory pipeline\n");
-               return MM_ERROR_PLAYER_INTERNAL;
+               debug_log("call eos appsrc\n");
+               g_signal_emit_by_name (player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "end-of-stream", &gst_ret);
+               return MM_ERROR_NONE;
        }
 
-       /* release attributes */
-       _mmplayer_deconstruct_attribute( handle );
+       GST_BUFFER_DATA(buffer) = (guint8*)(buf);
+       GST_BUFFER_SIZE(buffer) = size;
 
-       /* release factories */
-       __mmplayer_release_factories( player );
+       debug_log("feed buffer %p, length %u\n", buf, size);
+       g_signal_emit_by_name (player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "push-buffer", buffer, &gst_ret);
 
-       /* release miscellaneous information */
-       __mmplayer_release_misc( player );
+       MMPLAYER_FLEAVE();
 
-       /* release lock */
-       if ( player->fsink_lock )
-               g_mutex_free( player->fsink_lock );
+       return ret;
+}
 
-       if ( player->msg_cb_lock )
-               g_mutex_free( player->msg_cb_lock );
+/* if retval is FALSE, it will be dropped for perfomance. */
+static gboolean
+__mmplayer_check_useful_message(mm_player_t *player, GstMessage * message)
+{
+       gboolean retval = FALSE;
 
-       if (player->lazy_pause_event_id) 
+       if ( !(player->pipeline && player->pipeline->mainbin) )
        {
-               g_source_remove (player->lazy_pause_event_id);
-               player->lazy_pause_event_id = 0;
+               debug_error("player pipeline handle is null");
+               return TRUE;
        }
 
-       debug_fleave();
-
-       return MM_ERROR_NONE;
-}
-
-
-int 
-__mmplayer_init_extended_streaming(mm_player_t* player)
-{
-       int ret = MM_ERROR_NONE;
-       
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-
-#ifdef NO_USE_GST_HLSDEMUX
-       /* prepare adaptive http streaming */
-       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS)
+       switch (GST_MESSAGE_TYPE (message))
        {
-               player->ahs_player = __mm_player_ahs_create ();
-               
-               if (NULL == player->ahs_player)
-               {
-                       debug_error ("Unable to create AHS player\n");
-                       ret = MM_ERROR_PLAYER_NO_FREE_SPACE;
-               }
-               else
+               case GST_MESSAGE_TAG:
+               case GST_MESSAGE_EOS:
+               case GST_MESSAGE_ERROR:
+               case GST_MESSAGE_WARNING:
+               case GST_MESSAGE_CLOCK_LOST:
+               case GST_MESSAGE_NEW_CLOCK:
+               case GST_MESSAGE_ELEMENT:
+               case GST_MESSAGE_DURATION:
+               case GST_MESSAGE_ASYNC_START:
+                       retval = TRUE;
+                       break;
+               case GST_MESSAGE_ASYNC_DONE:
+               case GST_MESSAGE_STATE_CHANGED:
+                       /* we only handle messages from pipeline */
+                       if(( message->src == (GstObject *)player->pipeline->mainbin[MMPLAYER_M_PIPE].gst ) && (!player->pp_rebuilding))
+                               retval = TRUE;
+                       else
+                               retval = FALSE;
+                       break;
+               case GST_MESSAGE_BUFFERING:
                {
-                       if ( !__mm_player_ahs_initialize (player->ahs_player, player->profile.uri_type, 
-                               player->profile.uri, player->pipeline->mainbin[MMPLAYER_M_SRC].gst) )
+                       gint buffer_percent = 0;
+
+                       gst_message_parse_buffering (message, &buffer_percent);
+
+                       if ((MMPLAYER_IS_STREAMING(player)) &&
+                               (player->streamer) &&
+                               (player->streamer->is_buffering == TRUE) &&
+                               (buffer_percent == MAX_BUFFER_PERCENT))
                        {
-                               debug_error ("failed to initialize ahs player\n");
-                               ret = MM_ERROR_PLAYER_NO_FREE_SPACE;
+                               debug_log (">>> [%s] Buffering DONE is detected !!\n", GST_OBJECT_NAME(GST_MESSAGE_SRC(message)));
+                               player->streamer->is_buffering_done = TRUE;
                        }
+
+                       retval = TRUE;
+                       break;
                }
+               default:
+                       retval = FALSE;
+                       break;
        }
-#endif
 
-       if (MMPLAYER_IS_HTTP_PD(player))
+       return retval;
+}
+
+static GstBusSyncReply
+__mmplayer_bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
+{
+       mm_player_t *player = (mm_player_t *)data;
+       GstBusSyncReply reply = GST_BUS_DROP;
+
+       if ( ! ( player->pipeline && player->pipeline->mainbin ) )
        {
-               gboolean bret = FALSE;
-               gchar *src_uri = NULL;
+               debug_error("player pipeline handle is null");
+               return GST_BUS_PASS;
+       }
 
-               player->pd_downloader = _mmplayer_pd_create ();
+       if (!__mmplayer_check_useful_message(player, message))
+       {
+               gst_message_unref (message);
+               return GST_BUS_DROP;
+       }
 
-               if ( !player->pd_downloader )
-               {
-                       debug_error ("Unable to create PD Downloader...");
-                       ret = MM_ERROR_PLAYER_NO_FREE_SPACE;
-               }
-               
-               if (player->pd_mode == MM_PLAYER_PD_MODE_URI)
-                       src_uri = player->profile.uri;
-               
-               bret = _mmplayer_pd_initialize ((MMHandleType)player, src_uri, player->pd_file_location, player->pipeline->mainbin[MMPLAYER_M_SRC].gst);
-               
-               if (FALSE == bret)
-               {
-                       debug_error ("Unable to create PD Downloader...");
-                       ret = MM_ERROR_PLAYER_NOT_INITIALIZED;
-               }
+       switch (GST_MESSAGE_TYPE (message))
+       {
+               case GST_MESSAGE_STATE_CHANGED:
+                       /* post directly for fast launch */
+                       if (player->sync_handler) {
+                               __mmplayer_gst_callback(NULL, message, player);
+                               reply = GST_BUS_DROP;
+                       }
+                       else {
+                               reply = GST_BUS_PASS;
+                       }
+                       break;
+               case GST_MESSAGE_TAG:
+                       __mmplayer_gst_extract_tag_from_msg(player, message);
+                       break;
+               case GST_MESSAGE_DURATION:
+                       __mmplayer_gst_handle_duration(player, message);
+                       break;
+               case GST_MESSAGE_ASYNC_DONE:
+                       /* NOTE:Don't call gst_callback directly
+                        * because previous frame can be showed even though this message is received for seek.
+                        */
+               default:
+                       reply = GST_BUS_PASS;
+                       break;
        }
 
-       return ret;
+       if (reply == GST_BUS_DROP)
+               gst_message_unref (message);
+
+       return reply;
 }
 
-int
-_mmplayer_realize(MMHandleType hplayer) // @
+/**
+ * This function is to create  audio or video pipeline for playing.
+ *
+ * @param      player          [in]    handle of player
+ *
+ * @return     This function returns zero on success.
+ * @remark
+ * @see
+ */
+static int
+__mmplayer_gst_create_pipeline(mm_player_t* player) // @
 {
-       mm_player_t* player =  (mm_player_t*)hplayer;
-       char *uri =NULL;
-       void *param = NULL;
-       int application_pid = -1;
-       gboolean update_registry = FALSE;
+       GstBus  *bus = NULL;
+       MMPlayerGstElement *mainbin = NULL;
        MMHandleType attrs = 0;
-       int ret = MM_ERROR_NONE;
-
-       debug_fenter();
+       GstElement* element = NULL;
+       GList* element_bucket = NULL;
+       gboolean need_state_holder = TRUE;
+       gint i = 0;
 
-       /* check player handle */
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED )
+       MMPLAYER_FENTER();
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_REALIZE );
+       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
+       /* get profile attribute */
        attrs = MMPLAYER_GET_ATTRS(player);
        if ( !attrs )
        {
-               debug_error("fail to get attributes.\n");
-               return MM_ERROR_PLAYER_INTERNAL;
-       }
-
-       mm_attrs_get_int_by_name(attrs, "sound_application_pid", &application_pid );
-       player->sm.pid = application_pid;
-
-       mm_attrs_get_string_by_name(attrs, "profile_uri", &uri);
-       mm_attrs_get_data_by_name(attrs, "profile_user_param", &param);
-
-       if (! __mmfplayer_parse_profile((const char*)uri, param, &player->profile) )
-       {
-               debug_error("failed to parse profile\n");
-               return MM_ERROR_PLAYER_INVALID_URI;
-       }
-
-       /* FIXIT : we can use thouse in player->profile directly */
-       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_MEM)
-       {
-               player->mem_buf.buf = (char *)player->profile.mem;
-               player->mem_buf.len = player->profile.mem_size;
-               player->mem_buf.offset = 0;
+               debug_error("cannot get content attribute\n");
+               goto INIT_ERROR;
        }
 
-       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_URL_MMS)
+       /* create pipeline handles */
+       if ( player->pipeline )
        {
-               debug_warning("mms protocol is not supported format.\n");
-               return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+               debug_warning("pipeline should be released before create new one\n");
+               goto INIT_ERROR;
        }
 
-       if (MMPLAYER_IS_STREAMING(player))
-               MMPLAYER_STATE_CHANGE_TIMEOUT(player) = PLAYER_INI()->live_state_change_timeout;
-       else
-               MMPLAYER_STATE_CHANGE_TIMEOUT(player) = PLAYER_INI()->localplayback_state_change_timeout;
-
-       player->videodec_linked  = 0;
-       player->videosink_linked = 0;
-       player->audiodec_linked  = 0;
-       player->audiosink_linked = 0;
-       player->textsink_linked = 0;
-
-       /* set the subtitle ON default */
-       player->is_subtitle_off = FALSE;
+       player->pipeline = (MMPlayerGstPipelineInfo*) g_malloc0( sizeof(MMPlayerGstPipelineInfo) );
+       if (player->pipeline == NULL)
+               goto INIT_ERROR;
 
-       /* we need to update content attrs only the content has changed */
-       player->need_update_content_attrs = TRUE;
-       player->need_update_content_dur = FALSE;
+       memset( player->pipeline, 0, sizeof(MMPlayerGstPipelineInfo) );
 
-       /* registry should be updated for downloadable codec */
-       mm_attrs_get_int_by_name(attrs, "profile_update_registry", &update_registry);
 
-       if ( update_registry )
-       {
-               debug_log("updating registry...\n");
-               gst_update_registry();
+       /* create mainbin */
+       mainbin = (MMPlayerGstElement*) g_malloc0( sizeof(MMPlayerGstElement) * MMPLAYER_M_NUM );
+       if (mainbin == NULL)
+               goto INIT_ERROR;
 
-               /* then we have to rebuild factories */
-               __mmplayer_release_factories( player );
-               __mmplayer_init_factories(player);
-       }
+       memset( mainbin, 0, sizeof(MMPlayerGstElement) * MMPLAYER_M_NUM);
 
-       /* realize pipeline */
-       ret = __gst_realize( player );
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("fail to realize the player.\n");
-       }
-       else
+       /* create pipeline */
+       mainbin[MMPLAYER_M_PIPE].id = MMPLAYER_M_PIPE;
+       mainbin[MMPLAYER_M_PIPE].gst = gst_pipeline_new("player");
+       if ( ! mainbin[MMPLAYER_M_PIPE].gst )
        {
-               __mmplayer_init_extended_streaming(player);
+               debug_error("failed to create pipeline\n");
+               goto INIT_ERROR;
        }
+       player->demux_pad_index = 0;
+       player->subtitle_language_list = NULL;
 
-       debug_fleave();
+       player->font_color = player->ini.font_color;
+       player->font_bg_color = player->ini.font_background_color;
 
-       return ret;
-}
+       player->display_stat = MMPLAYER_DISPLAY_STATUS_NULL;
+       player->is_subtitle_force_drop = FALSE;
+       player->last_multiwin_status = FALSE;
 
-int
-__mmplayer_deinit_extended_streaming(mm_player_t *player)
-{
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       
-       /* destroy can called at anytime */
-       if (player->pd_downloader && MMPLAYER_IS_HTTP_PD(player))
+       /* create source element */
+       switch ( player->profile.uri_type )
        {
-               //__mmplayer_pd_deinitalize (player->ahs_player);
-               _mmplayer_pd_stop ((MMHandleType)player);
-       }
+               /* rtsp streamming */
+               case MM_PLAYER_URI_TYPE_URL_RTSP:
+               {
+                       gint network_bandwidth;
+                       gchar *user_agent, *wap_profile;
 
-#ifdef NO_USE_GST_HLSDEMUX
-       /* destroy can called at anytime */
-       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-       {
-               __mm_player_ahs_stop (player->ahs_player);
-               //__mm_player_ahs_deinitalize (player->ahs_player);
-       }
-#endif
-       return MM_ERROR_NONE;
+                       element = gst_element_factory_make(player->ini.name_of_rtspsrc, "streaming_source");
 
-}
+                       if ( !element )
+                       {
+                               debug_error("failed to create streaming source element\n");
+                               break;
+                       }
 
-int
-_mmplayer_unrealize(MMHandleType hplayer) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+                       debug_log("using streamming source [%s].\n", player->ini.name_of_rtspsrc);
 
-       debug_fenter();
+                       /* make it zero */
+                       network_bandwidth = 0;
+                       user_agent = wap_profile = NULL;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED )
+                       /* get attribute */
+                       mm_attrs_get_string_by_name ( attrs, "streaming_user_agent", &user_agent );
+                       mm_attrs_get_string_by_name ( attrs,"streaming_wap_profile", &wap_profile );
+                       mm_attrs_get_int_by_name ( attrs, "streaming_network_bandwidth", &network_bandwidth );
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_UNREALIZE );
+                       secure_debug_log("user_agent : %s\n", user_agent);
+                       secure_debug_log("wap_profile : %s\n", wap_profile);
+                       debug_log("network_bandwidth : %d\n", network_bandwidth);
+                       debug_log("buffering time : %d\n", player->ini.rtsp_buffering_time);
+                       debug_log("rebuffering time : %d\n", player->ini.rtsp_rebuffering_time);
 
-       __mmplayer_deinit_extended_streaming(player);
+                       /* setting property to streaming source */
+                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+                       g_object_set(G_OBJECT(element), "bandwidth", network_bandwidth, NULL);
+                       g_object_set(G_OBJECT(element), "buffering_time", player->ini.rtsp_buffering_time, NULL);
+                       g_object_set(G_OBJECT(element), "rebuffering_time", player->ini.rtsp_rebuffering_time, NULL);
+                       if ( user_agent )
+                               g_object_set(G_OBJECT(element), "user_agent", user_agent, NULL);
+                       if ( wap_profile )
+                               g_object_set(G_OBJECT(element), "wap_profile", wap_profile, NULL);
 
-       /* unrealize pipeline */
-       ret = __gst_unrealize( player );
+                       MMPLAYER_SIGNAL_CONNECT ( player, G_OBJECT(element), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                               G_CALLBACK (__mmplayer_gst_rtp_dynamic_pad), player );
+                       MMPLAYER_SIGNAL_CONNECT ( player, G_OBJECT(element), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads",
+                               G_CALLBACK (__mmplayer_gst_rtp_no_more_pads), player );
 
-       /* set player state if success */
-       if ( MM_ERROR_NONE == ret )
-       {
-               ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_STOP);
-               if ( ret )
-               {
-                       debug_error("failed to set asm state to STOP\n");
-                       return ret;
+                       player->use_decodebin = FALSE;
                }
-       }
+               break;
 
-       debug_fleave();
+               /* WFD streamming */
+               case MM_PLAYER_URI_TYPE_URL_WFD:
+               {
+                       element = gst_element_factory_make("wfdrtspsrc", "wfd_source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create wfd streaming source element\n");
+                               break;
+                       }
+                       debug_log("using wfd streamming source wfdrtspsrc.\n");
+                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+                       g_object_set(G_OBJECT(element), "debug", TRUE, NULL);
+                       g_object_set(G_OBJECT(element), "latency", 0, NULL);
+                       MMPLAYER_SIGNAL_CONNECT ( player, G_OBJECT(element), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                              G_CALLBACK (__mmplayer_gst_wfd_dynamic_pad), player );
 
-       return ret;
-}
+                       player->use_decodebin = FALSE;
+               }
+               break;
 
-int
-_mmplayer_set_message_callback(MMHandleType hplayer, MMMessageCallback callback, gpointer user_param) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
+               /* http streaming*/
+               case MM_PLAYER_URI_TYPE_URL_HTTP:
+               {
+                       gchar *user_agent, *proxy, *cookies, **cookie_list;
+                       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+                       user_agent = proxy = cookies = NULL;
+                       cookie_list = NULL;
+                       gint mode = MM_PLAYER_PD_MODE_NONE;
 
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+                       mm_attrs_get_int_by_name ( attrs, "pd_mode", &mode );
 
-       return __gst_set_message_callback(player, callback, user_param);
-}
+                       player->pd_mode = mode;
 
-int
-_mmplayer_get_state(MMHandleType hplayer, int* state) // @
-{
-       mm_player_t *player = (mm_player_t*)hplayer;
+                       debug_log("http playback, PD mode : %d\n", player->pd_mode);
 
-       return_val_if_fail(state, MM_ERROR_INVALID_ARGUMENT);
+                       if ( ! MMPLAYER_IS_HTTP_PD(player) )
+                       {
+                               element = gst_element_factory_make(player->ini.name_of_httpsrc, "http_streaming_source");
+                               if ( !element )
+                               {
+                                       debug_error("failed to create http streaming source element[%s].\n", player->ini.name_of_httpsrc);
+                                       break;
+                               }
+                               debug_log("using http streamming source [%s].\n", player->ini.name_of_httpsrc);
 
-       *state = MMPLAYER_CURRENT_STATE(player);
+                               /* get attribute */
+                               mm_attrs_get_string_by_name ( attrs, "streaming_cookie", &cookies );
+                               mm_attrs_get_string_by_name ( attrs, "streaming_user_agent", &user_agent );
+                               mm_attrs_get_string_by_name ( attrs, "streaming_proxy", &proxy );
+                               mm_attrs_get_int_by_name ( attrs, "streaming_timeout", &http_timeout );
 
-       return MM_ERROR_NONE;
-}
+                               if ((http_timeout == DEFAULT_HTTP_TIMEOUT) &&
+                                       (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT))
+                               {
+                                       debug_log("get timeout from ini\n");
+                                       http_timeout = player->ini.http_timeout;
+                               }
 
+                               /* get attribute */
+                               secure_debug_log("location : %s\n", player->profile.uri);
+                               secure_debug_log("cookies : %s\n", cookies);
+                               secure_debug_log("proxy : %s\n", proxy);
+                               secure_debug_log("user_agent :  %s\n",  user_agent);
+                               debug_log("timeout : %d\n",  http_timeout);
 
-int
-_mmplayer_set_volume(MMHandleType hplayer, MMPlayerVolumeType volume) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
-       GstElement* vol_element = NULL;
-       int i = 0;
+                               /* setting property to streaming source */
+                               g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+                               g_object_set(G_OBJECT(element), "timeout", http_timeout, NULL);
+                               g_object_set(G_OBJECT(element), "blocksize", (unsigned long)(64*1024), NULL);
 
-       debug_fenter();
+                               /* check if prosy is vailid or not */
+                               if ( util_check_valid_url ( proxy ) )
+                                       g_object_set(G_OBJECT(element), "proxy", proxy, NULL);
+                               /* parsing cookies */
+                               if ( ( cookie_list = util_get_cookie_list ((const char*)cookies) ) )
+                                       g_object_set(G_OBJECT(element), "cookies", cookie_list, NULL);
+                               if ( user_agent )
+                                       g_object_set(G_OBJECT(element), "user_agent", user_agent, NULL);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+                               if ( MMPLAYER_URL_HAS_DASH_SUFFIX(player) )
+                               {
+                                       debug_warning("it's dash. and it's still experimental feature.");
+                               }
+                               else if (MMPLAYER_URL_HAS_HLS_SUFFIX(player) )
+                               {
+                                       debug_warning("it's hls. using decodebin");
+                               }
+                       }
+                       else // progressive download
+                       {
+                               gchar* location = NULL;
 
-       debug_log("volume [L]=%f:[R]=%f\n", 
-               volume.level[MM_VOLUME_CHANNEL_LEFT], volume.level[MM_VOLUME_CHANNEL_RIGHT]);
+                               if (player->pd_mode == MM_PLAYER_PD_MODE_URI)
+                               {
+                                       gchar *path = NULL;
 
-       /* invalid factor range or not */
-       for ( i = 0; i < MM_VOLUME_CHANNEL_NUM; i++ )
-       {
-               if (volume.level[i] < MM_VOLUME_FACTOR_MIN || volume.level[i] > MM_VOLUME_FACTOR_MAX) {
-                       debug_error("Invalid factor! (valid factor:0~1.0)\n");
-                       return MM_ERROR_INVALID_ARGUMENT;
-               }
-       }
+                                       mm_attrs_get_string_by_name ( attrs, "pd_location", &path );
 
-       /* Save volume to handle. Currently the first array element will be saved. */
-       player->sound.volume = volume.level[0];
+                                       MMPLAYER_FREEIF(player->pd_file_save_path);
 
-       /* check pipeline handle */
-       if ( ! player->pipeline || ! player->pipeline->audiobin )
-       {
-               debug_log("audiobin is not created yet\n");
-               debug_log("but, current stored volume will be set when it's created.\n");
+                                       debug_log("PD Location : %s\n", path);
 
-               /* NOTE : stored volume will be used in create_audiobin
-                * returning MM_ERROR_NONE here makes application to able to
-                * set volume at anytime.
-                */
-               return MM_ERROR_NONE;
-       }
+                                       if ( path )
+                                       {
+                                               player->pd_file_save_path = g_strdup(path);
+                                       }
+                                       else
+                                       {
+                                               debug_error("can't find pd location so, it should be set \n");
+                                               return MM_ERROR_PLAYER_FILE_NOT_FOUND;
+                                       }
+                               }
 
-       /* setting volume to volume element */
-       vol_element = player->pipeline->audiobin[MMPLAYER_A_VOL].gst;
+                               element = gst_element_factory_make("pdpushsrc", "PD pushsrc");
+                               if ( !element )
+                               {
+                                       debug_error("failed to create PD push source element[%s].\n", "pdpushsrc");
+                                       break;
+                               }
 
-       if ( vol_element )
-       {
-               debug_log("volume is set [%f]\n", player->sound.volume);
-               g_object_set(vol_element, "volume", player->sound.volume, NULL);
-       }
+                               if (player->pd_mode == MM_PLAYER_PD_MODE_URI)
+                                       g_object_set(G_OBJECT(element), "location", player->pd_file_save_path, NULL);
+                               else
+                                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
 
-       debug_fleave();
+                               g_object_get(element, "location", &location, NULL);
+                               debug_log("PD_LOCATION [%s].\n", location);
+                               if (location)
+                                       g_free (location);
+                       }
+               }
+               break;
 
-       return MM_ERROR_NONE;
-}
+               /* file source */
+               case MM_PLAYER_URI_TYPE_FILE:
+               {
 
+#ifdef ENABLE_DRMSRC
 
-int
-_mmplayer_get_volume(MMHandleType hplayer, MMPlayerVolumeType* volume)
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
-       int i = 0;
+                       char* drmsrc = player->ini.name_of_drmsrc;
 
-       debug_fenter();
+                       debug_log("using [%s] for 'file://' handler.\n", drmsrc);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail( volume, MM_ERROR_INVALID_ARGUMENT );
+                       element = gst_element_factory_make(drmsrc, "source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create %s\n", drmsrc);
+                               break;
+                       }
+#else
+                       debug_log("using filesrc for 'file://' handler.\n");
 
-       /* returning stored volume */
-       for (i = 0; i < MM_VOLUME_CHANNEL_NUM; i++)
-               volume->level[i] = player->sound.volume;
+                       element = gst_element_factory_make("filesrc", "source");
 
-       debug_fleave();
+                       if ( !element )
+                       {
+                               debug_error("failed to create filesrc\n");
+                               break;
+                       }
+#endif
+                       g_object_set(G_OBJECT(element), "location", (player->profile.uri)+7, NULL);     /* uri+7 -> remove "file:// */
+                       //g_object_set(G_OBJECT(element), "use-mmap", TRUE, NULL);
+               }
+               break;
 
-       return MM_ERROR_NONE;
-}
+               case MM_PLAYER_URI_TYPE_SS:
+               {
+                       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+                       element = gst_element_factory_make("souphttpsrc", "http streaming source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create http streaming source element[%s]", player->ini.name_of_httpsrc);
+                               break;
+                       }
 
+                       mm_attrs_get_int_by_name ( attrs, "streaming_timeout", &http_timeout );
 
+                       if ((http_timeout == DEFAULT_HTTP_TIMEOUT) &&
+                               (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT))
+                       {
+                               debug_log("get timeout from ini\n");
+                               http_timeout = player->ini.http_timeout;
+                       }
 
-int
-_mmplayer_set_mute(MMHandleType hplayer, int mute) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
-       GstElement* vol_element = NULL;
+                       /* setting property to streaming source */
+                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+                       g_object_set(G_OBJECT(element), "timeout", http_timeout, NULL);
+               }
+               break;
 
-       debug_fenter();
+               /* appsrc */
+               case MM_PLAYER_URI_TYPE_BUFF:
+               {
+                       guint64 stream_type = GST_APP_STREAM_TYPE_STREAM;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+                       debug_log("mem src is selected\n");
 
-       debug_log("mute : %d\n", mute);
+                       element = gst_element_factory_make("appsrc", "buff-source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create appsrc element\n");
+                               break;
+                       }
 
-       /* mute value shoud 0 or 1 */
-       if ( mute != 0 && mute != 1 )
-       {
-               debug_error("bad mute value\n");
+                       g_object_set( element, "stream-type", stream_type, NULL );
+                       //g_object_set( element, "size", player->mem_buf.len, NULL );
+                       //g_object_set( element, "blocksize", (guint64)20480, NULL );
 
-               /* FIXIT : definitly, we need _BAD_PARAM error code */
-               return MM_ERROR_INVALID_ARGUMENT;
-       }
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_OTHERS, "seek-data",
+                               G_CALLBACK(__gst_appsrc_seek_data), player);
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_OTHERS, "need-data",
+                               G_CALLBACK(__gst_appsrc_feed_data), player);
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_OTHERS, "enough-data",
+                               G_CALLBACK(__gst_appsrc_enough_data), player);
+               }
+               break;
 
+               /* appsrc */
+               case MM_PLAYER_URI_TYPE_MEM:
+               {
+                       guint64 stream_type = GST_APP_STREAM_TYPE_RANDOM_ACCESS;
 
-       /* just hold mute value if pipeline is not ready */
-       if ( !player->pipeline || !player->pipeline->audiobin )
-       {
-               debug_log("pipeline is not ready. holding mute value\n");
-               player->sound.mute = mute;
-               return MM_ERROR_NONE;
-       }
+                       debug_log("mem src is selected\n");
 
+                       element = gst_element_factory_make("appsrc", "mem-source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create appsrc element\n");
+                               break;
+                       }
 
-       vol_element = player->pipeline->audiobin[MMPLAYER_A_VOL].gst;
+                       g_object_set( element, "stream-type", stream_type, NULL );
+                       g_object_set( element, "size", player->mem_buf.len, NULL );
+                       g_object_set( element, "blocksize", (guint64)20480, NULL );
 
-       /* NOTE : volume will only created when the bt is enabled */
-       if ( vol_element )
-       {
-               g_object_set(vol_element, "mute", mute, NULL);
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_OTHERS, "seek-data",
+                               G_CALLBACK(__gst_appsrc_seek_data_mem), &player->mem_buf );
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_OTHERS, "need-data",
+                               G_CALLBACK(__gst_appsrc_feed_data_mem), &player->mem_buf );
+               }
+               break;
+               case MM_PLAYER_URI_TYPE_URL:
+               break;
+
+               case MM_PLAYER_URI_TYPE_TEMP:
+               break;
+
+               case MM_PLAYER_URI_TYPE_NONE:
+               default:
+               break;
        }
-       else
+
+       /* check source element is OK */
+       if ( ! element )
        {
-               debug_log("volume elemnet is not created. using volume in audiosink\n");
+               debug_error("no source element was created.\n");
+               goto INIT_ERROR;
        }
 
-       player->sound.mute = mute;
+       /* take source element */
+       mainbin[MMPLAYER_M_SRC].id = MMPLAYER_M_SRC;
+       mainbin[MMPLAYER_M_SRC].gst = element;
+       element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_SRC]);
 
-       debug_fleave();
+       if ((MMPLAYER_IS_STREAMING(player)) && (player->streamer == NULL))
+       {
+               player->streamer = __mm_player_streaming_create();
+               __mm_player_streaming_initialize(player->streamer);
+       }
 
-       return MM_ERROR_NONE;
-}
+       if ( MMPLAYER_IS_HTTP_PD(player) )
+       {
+               gdouble pre_buffering_time = (gdouble)player->streamer->buffering_req.initial_second;
 
-int
-_mmplayer_get_mute(MMHandleType hplayer, int* pmute) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
-       GstElement* vol_element = NULL;
+               debug_log ("Picked queue2 element(pre buffer : %d sec)....\n", pre_buffering_time);
+               element = gst_element_factory_make("queue2", "queue2");
+               if ( !element )
+               {
+                       debug_error ( "failed to create http streaming buffer element\n" );
+                       goto INIT_ERROR;
+               }
 
-       debug_fenter();
+               /* take it */
+               mainbin[MMPLAYER_M_MUXED_S_BUFFER].id = MMPLAYER_M_MUXED_S_BUFFER;
+               mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst = element;
+               element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_MUXED_S_BUFFER]);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( pmute, MM_ERROR_INVALID_ARGUMENT );
+               pre_buffering_time = (pre_buffering_time > 0)?(pre_buffering_time):(player->ini.http_buffering_time);
 
-       /* just hold mute value if pipeline is not ready */
-       if ( !player->pipeline || !player->pipeline->audiobin )
-       {
-               debug_log("pipeline is not ready. returning stored value\n");
-               *pmute = player->sound.mute;
-               return MM_ERROR_NONE;
+               __mm_player_streaming_set_queue2(player->streamer,
+                               element,
+                               TRUE,
+                               player->ini.http_max_size_bytes,
+                               pre_buffering_time,
+                               1.0,
+                               player->ini.http_buffering_limit,
+                               FALSE,
+                               NULL,
+                               0);
        }
 
+       /* create autoplugging element if src element is not a rtsp src */
+       if ((player->profile.uri_type != MM_PLAYER_URI_TYPE_URL_RTSP) &&
+               (player->profile.uri_type != MM_PLAYER_URI_TYPE_URL_WFD))
+       {
+               element = NULL;
+               enum MainElementID elemId = MMPLAYER_M_NUM;
 
-       vol_element = player->pipeline->audiobin[MMPLAYER_A_VOL].gst;
+               if ((player->use_decodebin) &&
+                       ((MMPLAYER_IS_HTTP_PD(player)) ||
+                        (!MMPLAYER_IS_HTTP_STREAMING(player))))
+               {
+                       elemId = MMPLAYER_M_AUTOPLUG;
+                       element = __mmplayer_create_decodebin(player);
+                       need_state_holder = FALSE;
+               }
+               else
+               {
+                       elemId = MMPLAYER_M_TYPEFIND;
+                       element = gst_element_factory_make("typefind", "typefinder");
+                       MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "have-type",
+                               G_CALLBACK(__mmplayer_typefind_have_type), (gpointer)player );
+               }
 
-       if ( vol_element )
+
+               /* check autoplug element is OK */
+               if ( ! element )
+               {
+                       debug_error("can not create element (%d)\n", elemId);
+                       goto INIT_ERROR;
+               }
+
+               mainbin[elemId].id = elemId;
+               mainbin[elemId].gst = element;
+
+               element_bucket = g_list_append(element_bucket, &mainbin[elemId]);
+       }
+
+       /* add elements to pipeline */
+       if( !__mmplayer_gst_element_add_bucket_to_bin(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element_bucket))
        {
-               g_object_get(vol_element, "mute", pmute, NULL);
-               debug_log("mute=%d\n\n", *pmute);
+               debug_error("Failed to add elements to pipeline\n");
+               goto INIT_ERROR;
        }
-       else
+
+
+       /* linking elements in the bucket by added order. */
+       if ( __mmplayer_gst_element_link_bucket(element_bucket) == -1 )
        {
-               *pmute = player->sound.mute;
+               debug_error("Failed to link some elements\n");
+               goto INIT_ERROR;
        }
 
-       debug_fleave();
 
-       return MM_ERROR_NONE;
-}
+       /* create fakesink element for keeping the pipeline state PAUSED. if needed */
+       if ( need_state_holder )
+       {
+               /* create */
+               mainbin[MMPLAYER_M_SRC_FAKESINK].id = MMPLAYER_M_SRC_FAKESINK;
+               mainbin[MMPLAYER_M_SRC_FAKESINK].gst = gst_element_factory_make ("fakesink", "state-holder");
 
-int
-_mmplayer_set_videostream_cb(MMHandleType hplayer, mm_player_video_stream_callback callback, void *user_param) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
+               if (!mainbin[MMPLAYER_M_SRC_FAKESINK].gst)
+               {
+                       debug_error ("fakesink element could not be created\n");
+                       goto INIT_ERROR;
+               }
+               GST_OBJECT_FLAG_UNSET (mainbin[MMPLAYER_M_SRC_FAKESINK].gst, GST_ELEMENT_IS_SINK);
 
-       debug_fenter();
+               /* take ownership of fakesink. we are reusing it */
+               gst_object_ref( mainbin[MMPLAYER_M_SRC_FAKESINK].gst );
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( callback, MM_ERROR_INVALID_ARGUMENT );
+               /* add */
+               if ( FALSE == gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst),
+                       mainbin[MMPLAYER_M_SRC_FAKESINK].gst) )
+               {
+                       debug_error("failed to add fakesink to bin\n");
+                       goto INIT_ERROR;
+               }
+       }
 
-       player->video_stream_cb = callback;
-       player->video_stream_cb_user_param = user_param;
-       player->use_video_stream = TRUE;
-       debug_log("Stream cb Handle value is %p : %p\n", player, player->video_stream_cb);
+       /* now we have completed mainbin. take it */
+       player->pipeline->mainbin = mainbin;
 
-       debug_fleave();
+       /* connect bus callback */
+       bus = gst_pipeline_get_bus(GST_PIPELINE(mainbin[MMPLAYER_M_PIPE].gst));
+       if ( !bus )
+       {
+               debug_error ("cannot get bus from pipeline.\n");
+               goto INIT_ERROR;
+       }
 
-       return MM_ERROR_NONE;
-}
+       player->bus_watcher = gst_bus_add_watch(bus, (GstBusFunc)__mmplayer_gst_callback, player);
 
-int
-_mmplayer_set_audiostream_cb(MMHandleType hplayer, mm_player_audio_stream_callback callback, void *user_param) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
+       player->context.thread_default = g_main_context_get_thread_default();
 
-       debug_fenter();
+       if (NULL == player->context.thread_default)
+       {
+               player->context.thread_default = g_main_context_default();
+               debug_log("thread-default context is the global default context");
+       }
+       debug_warning("bus watcher thread context = %p, watcher : %d", player->context.thread_default, player->bus_watcher);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
+       /* Note : check whether subtitle atrribute uri is set. If uri is set, then try to play subtitle file */
+       if ( __mmplayer_check_subtitle ( player ) )
+       {
+               if ( MM_ERROR_NONE != __mmplayer_gst_create_subtitle_src(player) )
+                       debug_error("fail to create subtitle src\n");
+       }
 
-       player->audio_stream_cb = callback;
-       player->audio_stream_cb_user_param = user_param;
-       debug_log("Audio Stream cb Handle value is %p : %p\n", player, player->audio_stream_cb);
+       /* set sync handler to get tag synchronously */
+       gst_bus_set_sync_handler(bus, __mmplayer_bus_sync_callback, player);
+
+       /* finished */
+       gst_object_unref(GST_OBJECT(bus));
+       g_list_free(element_bucket);
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
        return MM_ERROR_NONE;
-}
 
-int
-_mmplayer_set_audiobuffer_cb(MMHandleType hplayer, mm_player_audio_stream_callback callback, void *user_param) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
+INIT_ERROR:
 
-       debug_fenter();
+       __mmplayer_gst_destroy_pipeline(player);
+       g_list_free(element_bucket);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
+       /* release element which are not added to bin */
+       for ( i = 1; i < MMPLAYER_M_NUM; i++ )  /* NOTE : skip pipeline */
+       {
+               if ( mainbin[i].gst )
+               {
+                       GstObject* parent = NULL;
+                       parent = gst_element_get_parent( mainbin[i].gst );
+
+                       if ( !parent )
+                       {
+                               gst_object_unref(GST_OBJECT(mainbin[i].gst));
+                               mainbin[i].gst = NULL;
+                       }
+                       else
+                       {
+                               gst_object_unref(GST_OBJECT(parent));
+                       }
+               }
+       }
 
-       player->audio_buffer_cb = callback;
-       player->audio_buffer_cb_user_param = user_param;
-       debug_log("Audio Stream cb Handle value is %p : %p\n", player, player->audio_buffer_cb);
+       /* release pipeline with it's childs */
+       if ( mainbin[MMPLAYER_M_PIPE].gst )
+       {
+               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_PIPE].gst));
+       }
 
-       debug_fleave();
+       MMPLAYER_FREEIF( player->pipeline );
+       MMPLAYER_FREEIF( mainbin );
 
-       return MM_ERROR_NONE;
+       return MM_ERROR_PLAYER_INTERNAL;
 }
 
-int
-_mmplayer_set_buffer_need_data_cb(MMHandleType hplayer, mm_player_buffer_need_data_callback callback, void *user_param) // @
+void __mmplayer_remove_g_source_from_context(GMainContext *context, guint source_id)
 {
-       mm_player_t* player = (mm_player_t*) hplayer;
-
-       debug_fenter();
-
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
+       GSource *source = NULL;
 
-       player->need_data_cb = callback;
-       player->buffer_cb_user_param = user_param;
+       MMPLAYER_FENTER();
 
-       debug_log("buffer need dataHandle value is %p : %p\n", player, player->need_data_cb);
+       source = g_main_context_find_source_by_id (context, source_id);
 
-       debug_fleave();
+       if (source != NULL)
+       {
+               debug_warning("context: %p, source id: %d, source: %p", context, source_id, source);
+               g_source_destroy(source);
+       }
 
-       return MM_ERROR_NONE;
+       MMPLAYER_FLEAVE();
 }
 
-int
-_mmplayer_set_buffer_enough_data_cb(MMHandleType hplayer, mm_player_buffer_enough_data_callback callback, void *user_param) // @
+static int
+__mmplayer_gst_destroy_pipeline(mm_player_t* player) // @
 {
-       mm_player_t* player = (mm_player_t*) hplayer;
-
-       debug_fenter();
+       gint timeout = 0;
+       int ret = MM_ERROR_NONE;
 
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
+       MMPLAYER_FENTER();
 
-       player->enough_data_cb = callback;
-       player->buffer_cb_user_param = user_param;
+       return_val_if_fail ( player, MM_ERROR_INVALID_HANDLE );
 
-       debug_log("buffer enough data cb Handle value is %p : %p\n", player, player->enough_data_cb);
+       /* cleanup stuffs */
+       MMPLAYER_FREEIF(player->type);
+       player->have_dynamic_pad = FALSE;
+       player->no_more_pad = FALSE;
+       player->num_dynamic_pad = 0;
+       player->demux_pad_index = 0;
+       player->subtitle_language_list = NULL;
+       player->use_deinterleave = FALSE;
+       player->pp_rebuilding = FALSE;
+       player->max_audio_channels = 0;
+       player->video_share_api_delta = 0;
+       player->video_share_clock_delta = 0;
+       player->video_hub_download_mode = 0;
 
-       debug_fleave();
-               
-       return MM_ERROR_NONE;
-}
+       MMPLAYER_FREEIF(player->font_desc);
+       player->font_color = 0;
+       player->font_bg_color = 0;
 
-int
-_mmplayer_set_buffer_seek_data_cb(MMHandleType hplayer, mm_player_buffer_seek_data_callback callback, void *user_param) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
+       __mmplayer_post_proc_reset(player);
 
-       debug_fenter();
+       if (player->streamer)
+       {
+               __mm_player_streaming_deinitialize (player->streamer);
+               __mm_player_streaming_destroy(player->streamer);
+               player->streamer = NULL;
+       }
 
-       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
+       /* cleanup unlinked mime type */
+       MMPLAYER_FREEIF(player->unlinked_audio_mime);
+       MMPLAYER_FREEIF(player->unlinked_video_mime);
+       MMPLAYER_FREEIF(player->unlinked_demuxer_mime);
 
-       player->seek_data_cb = callback;
-       player->buffer_cb_user_param = user_param;
+       /* cleanup running stuffs */
+       __mmplayer_cancel_eos_timer( player );
 
-       debug_log("buffer seek data cb Handle value is %p : %p\n", player, player->seek_data_cb);
+       /* remove sound cb */
+       if ( MM_ERROR_NONE != mm_sound_remove_active_device_changed_callback(MM_PLAYER_NAME))
+       {
+               debug_error("failed to mm_sound_remove_active_device_changed_callback");
+       }
 
-       debug_fleave();
+       /* cleanup gst stuffs */
+       if ( player->pipeline )
+       {
+               MMPlayerGstElement* mainbin = player->pipeline->mainbin;
+               GstTagList* tag_list = player->pipeline->tag_list;
 
-       return MM_ERROR_NONE;
-}
+               /* first we need to disconnect all signal hander */
+               __mmplayer_release_signal_connection( player, MM_PLAYER_SIGNAL_TYPE_ALL );
 
-int __mmplayer_start_extended_streaming(mm_player_t *player)
-{      
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+               /* disconnecting bus watch */
+               if ( player->bus_watcher )
+                       __mmplayer_remove_g_source_from_context(player->context.thread_default, player->bus_watcher);
+               player->bus_watcher = 0;
 
-       if (MMPLAYER_IS_HTTP_PD(player) && player->pd_downloader)
-       {
-               if (player->pd_mode == MM_PLAYER_PD_MODE_URI)
+               if ( mainbin )
                {
-                       gboolean bret = FALSE;
-                       
-                       bret = _mmplayer_pd_start ((MMHandleType)player);
-                       if (FALSE == bret)
+                       MMPlayerGstElement* audiobin = player->pipeline->audiobin;
+                       MMPlayerGstElement* videobin = player->pipeline->videobin;
+                       MMPlayerGstElement* textbin = player->pipeline->textbin;
+                       GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (mainbin[MMPLAYER_M_PIPE].gst));
+                       gst_bus_set_sync_handler (bus, NULL, NULL);
+                       gst_object_unref(bus);
+
+                       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+                       ret = __mmplayer_gst_set_state ( player, mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_NULL, FALSE, timeout );
+                       if ( ret != MM_ERROR_NONE )
                        {
-                               debug_error ("ERROR while starting PD...\n");
-                               return MM_ERROR_PLAYER_NOT_INITIALIZED;
+                               debug_error("fail to change state to NULL\n");
+                               return MM_ERROR_PLAYER_INTERNAL;
                        }
-               }
-       }
-
-#ifdef NO_USE_GST_HLSDEMUX
-       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-       {               
-               if ( !__mm_player_ahs_start (player->ahs_player))
-               {
-                       debug_error("failed to start ahs\n");
-                       return MM_ERROR_PLAYER_INTERNAL;
-               }
-       }
-#endif
-       return MM_ERROR_NONE;
-}
 
-int
-_mmplayer_start(MMHandleType hplayer) // @
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
-       gint ret = MM_ERROR_NONE;
-       
-       debug_fenter();
+                       debug_warning("succeeded in chaning state to NULL\n");
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+                       gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_PIPE].gst));
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_START );
+                       /* free fakesink */
+                       if ( mainbin[MMPLAYER_M_SRC_FAKESINK].gst )
+                               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_SRC_FAKESINK].gst));
 
-       ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_PLAYING);
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("failed to set asm state to PLAYING\n");
-               return ret;
-       }
-
-       /* NOTE : we should check and create pipeline again if not created as we destroy
-        * whole pipeline when stopping in streamming playback
-        */
-       if ( ! player->pipeline )
-       {
-               ret = __gst_realize( player ); 
-               if ( MM_ERROR_NONE != ret )
-               {
-                       debug_error("failed to realize before starting. only in streamming\n");
-                       return ret;
+                       /* free avsysaudiosink
+                          avsysaudiosink should be unref when destory pipeline just after start play with BT.
+                          Because audiosink is created but never added to bin, and therefore it will not be unref when pipeline is destroyed.
+                       */
+                       MMPLAYER_FREEIF( audiobin );
+                       MMPLAYER_FREEIF( videobin );
+                       MMPLAYER_FREEIF( textbin );
+                       MMPLAYER_FREEIF( mainbin );
                }
+
+               if ( tag_list )
+                       gst_tag_list_free(tag_list);
+
+               MMPLAYER_FREEIF( player->pipeline );
        }
+       MMPLAYER_FREEIF(player->album_art);
 
-       if (__mmplayer_start_extended_streaming(player) != MM_ERROR_NONE)
-               return MM_ERROR_PLAYER_INTERNAL;
-       
-       /* start pipeline */
-       ret = __gst_start( player );
-       if ( ret != MM_ERROR_NONE )
+       if (player->v_stream_caps)
        {
-               debug_error("failed to start player.\n");
+               gst_caps_unref(player->v_stream_caps);
+               player->v_stream_caps = NULL;
        }
 
-       debug_fleave();
-       
-       return ret;
-}
+       if ( player->sink_elements )
+               g_list_free ( player->sink_elements );
+       player->sink_elements = NULL;
 
+       debug_warning("finished destroy pipeline\n");
 
+       MMPLAYER_FLEAVE();
 
-/* NOTE: post "not supported codec message" to application
- * when one codec is not found during AUTOPLUGGING in MSL.
- * So, it's separated with error of __mmplayer_gst_callback().
- * And, if any codec is not found, don't send message here.
- * Because GST_ERROR_MESSAGE is posted by other plugin internally.
- */
-int
-__mmplayer_post_missed_plugin(mm_player_t* player)
+       return ret;
+}
+
+static int __gst_realize(mm_player_t* player) // @
 {
-       MMMessageParamType msg_param;
-       memset (&msg_param, 0, sizeof(MMMessageParamType));
-       gboolean post_msg_direct = FALSE;
+       gint timeout = 0;
+       int ret = MM_ERROR_NONE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
        return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       debug_log("not_supported_codec = 0x%02x, can_support_codec = 0x%02x\n",
-                       player->not_supported_codec, player->can_support_codec);
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
 
-       if( player->not_found_demuxer )
+       ret = __mmplayer_gst_create_pipeline(player);
+       if ( ret )
        {
-               msg_param.code = MM_ERROR_PLAYER_CODEC_NOT_FOUND;
-               msg_param.data = g_strdup_printf("%s", player->unlinked_demuxer_mime);
+               debug_error("failed to create pipeline\n");
+               return ret;
+       }
 
-               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
-               MMPLAYER_FREEIF(msg_param.data);
+       /* set pipeline state to READY */
+       /* NOTE : state change to READY must be performed sync. */
+       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+       ret = __mmplayer_gst_set_state(player,
+                               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_READY, FALSE, timeout);
 
-               return MM_ERROR_NONE;
+       if ( ret != MM_ERROR_NONE )
+       {
+               /* return error if failed to set state */
+               debug_error("failed to set READY state");
+               return ret;
        }
-
-       if (player->not_supported_codec)
+       else
        {
-               if ( player->can_support_codec ) // There is one codec to play
-               {
-                       post_msg_direct = TRUE;
-               }
-               else
-               {
-                       if ( player->pipeline->audiobin ) // Some content has only PCM data in container.
-                               post_msg_direct = TRUE;
-               }
+               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_READY );
+       }
 
-               if ( post_msg_direct )
-               {
-                       MMMessageParamType msg_param;
-                       memset (&msg_param, 0, sizeof(MMMessageParamType));
+       /* create dot before error-return. for debugging */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-realize" );
 
-                       if ( player->not_supported_codec ==  MISSING_PLUGIN_AUDIO )
-                       {
-                               debug_warning("not found AUDIO codec, posting error code to application.\n");
+       MMPLAYER_FLEAVE();
 
-                               msg_param.code = MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
-                               msg_param.data = g_strdup_printf("%s", player->unlinked_audio_mime);
-                       }
-                       else if ( player->not_supported_codec ==  MISSING_PLUGIN_VIDEO )
-                       {
-                               debug_warning("not found VIDEO codec, posting error code to application.\n");
+       return ret;
+}
 
-                               msg_param.code = MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
-                               msg_param.data = g_strdup_printf("%s", player->unlinked_video_mime);
-                       }
+static int __gst_unrealize(mm_player_t* player) // @
+{
+       int ret = MM_ERROR_NONE;
 
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+       MMPLAYER_FENTER();
 
-                       MMPLAYER_FREEIF(msg_param.data);
+       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-                       return MM_ERROR_NONE;
-               }
-               else // no any supported codec case 
-               {
-                       debug_warning("not found any codec, posting error code to application.\n");
-                       
-                       if ( player->not_supported_codec ==  MISSING_PLUGIN_AUDIO )
-                       {
-                               msg_param.code = MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
-                               msg_param.data = g_strdup_printf("%s", player->unlinked_audio_mime);
-                       }
-                       else
-                       {
-                               msg_param.code = MM_ERROR_PLAYER_CODEC_NOT_FOUND;
-                               msg_param.data = g_strdup_printf("%s, %s", player->unlinked_video_mime, player->unlinked_audio_mime);
-                       }
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NULL;
+       MMPLAYER_PRINT_STATE(player);
 
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
-                       
-                       MMPLAYER_FREEIF(msg_param.data);
-               }
+       /* release miscellaneous information */
+       __mmplayer_release_misc( player );
+
+       /* destroy pipeline */
+       ret = __mmplayer_gst_destroy_pipeline( player );
+       if ( ret != MM_ERROR_NONE )
+       {
+               debug_error("failed to destory pipeline\n");
+               return ret;
        }
-       
-       debug_fleave();
 
-       return MM_ERROR_NONE;
+       /* release miscellaneous information.
+          these info needs to be released after pipeline is destroyed. */
+       __mmplayer_release_misc_post( player );
+
+       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_NULL );
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
 }
 
-/* NOTE : it should be able to call 'stop' anytime*/
-int
-_mmplayer_stop(MMHandleType hplayer) // @
+static int __gst_pending_seek ( mm_player_t* player )
 {
-       mm_player_t* player = (mm_player_t*)hplayer;
+       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
        int ret = MM_ERROR_NONE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       if ( !player->pending_seek.is_pending )
+       {
+               debug_log("pending seek is not reserved. nothing to do.\n" );
+               return ret;
+       }
+
+       /* check player state if player could pending seek or not. */
+       current_state = MMPLAYER_CURRENT_STATE(player);
 
-       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
+       if ( current_state != MM_PLAYER_STATE_PAUSED && current_state != MM_PLAYER_STATE_PLAYING  )
        {
-               __mm_player_ahs_stop (player->ahs_player);
+               debug_warning("try to pending seek in %s state, try next time. \n",
+                       MMPLAYER_STATE_GET_NAME(current_state));
+               return ret;
        }
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_STOP );
+       debug_log("trying to play from (%lu) pending position\n", player->pending_seek.pos);
 
-       /* NOTE : application should not wait for EOS after calling STOP */
-       __mmplayer_cancel_delayed_eos( player );
+       ret = __gst_set_position ( player, player->pending_seek.format, player->pending_seek.pos, FALSE );
 
-       /* stop pipeline */
-       ret = __gst_stop( player );
+       if ( MM_ERROR_NONE != ret )
+               debug_error("failed to seek pending postion. just keep staying current position.\n");
 
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("failed to stop player.\n");
-       }
+       player->pending_seek.is_pending = FALSE;
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
        return ret;
 }
 
-
-int
-_mmplayer_pause(MMHandleType hplayer) // @
+static int __gst_start(mm_player_t* player) // @
 {
-       mm_player_t* player = (mm_player_t*)hplayer;
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       GstFormat fmt = GST_FORMAT_TIME;
-       signed long long pos_msec = 0;
+       gboolean sound_extraction = 0;
        int ret = MM_ERROR_NONE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_PAUSE );
+       /* get sound_extraction property */
+       mm_attrs_get_int_by_name(player->attrs, "pcm_extraction", &sound_extraction);
 
-       /* NOTE : store current point to overcome some bad operation
-        * ( returning zero when getting current position in paused state) of some
-        * elements
-        */
-       current_state = MMPLAYER_CURRENT_STATE(player);
-       if ( current_state == MM_PLAYER_STATE_PLAYING )
+       /* NOTE : if SetPosition was called before Start. do it now */
+       /* streaming doesn't support it. so it should be always sync */
+       /* !! create one more api to check if there is pending seek rather than checking variables */
+       if ( (player->pending_seek.is_pending || sound_extraction) && !MMPLAYER_IS_STREAMING(player))
        {
-               ret = gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,        &fmt, &pos_msec);
-               if ( ! ret )
-                       debug_warning("getting current position failed in paused\n");
+               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PAUSED;
+               ret = __gst_pause(player, FALSE);
+               if ( ret != MM_ERROR_NONE )
+               {
+                       debug_error("failed to set state to PAUSED for pending seek\n");
+                       return ret;
+               }
+
+               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PLAYING;
+
+               if ( sound_extraction )
+               {
+                       debug_log("setting pcm extraction\n");
 
-               player->last_position = pos_msec;
+                       ret = __mmplayer_set_pcm_extraction(player);
+                       if ( MM_ERROR_NONE != ret )
+                       {
+                               debug_warning("failed to set pcm extraction\n");
+                               return ret;
+                       }
+               }
+               else
+               {
+                       if ( MM_ERROR_NONE != __gst_pending_seek(player) )
+                       {
+                               debug_warning("failed to seek pending postion. starting from the begin of content.\n");
+                       }
+               }
        }
 
-       /* pause pipeline */
-       ret = __gst_pause( player, FALSE );
+       debug_log("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
+       MMPLAYER_PRINT_STATE(player);
 
-       if ( MMPLAYER_IS_HTTP_LIVE_STREAMING ( player ))
+       /* set pipeline state to PLAYING  */
+       ret = __mmplayer_gst_set_state(player,
+               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, FALSE, MMPLAYER_STATE_CHANGE_TIMEOUT(player) );
+       if (ret == MM_ERROR_NONE)
        {
-               //__mm_player_ahs_pause (player->ahs_player); // Not yet implemented
+               MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
        }
-
-       if ( ret != MM_ERROR_NONE )
+       else
        {
-               debug_error("failed to pause player.\n");
+               debug_error("failed to set state to PLAYING");
+               return ret;
        }
 
-       debug_fleave();
+       /* generating debug info before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-start" );
+
+       MMPLAYER_FLEAVE();
 
        return ret;
 }
 
-int
-_mmplayer_resume(MMHandleType hplayer)
+static void __mmplayer_do_sound_fadedown(mm_player_t* player, unsigned int time)
 {
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+       MMPLAYER_FENTER();
 
-       debug_fenter();
+       return_if_fail(player
+               && player->pipeline
+               && player->pipeline->audiobin
+               && player->pipeline->audiobin[MMPLAYER_A_SINK].gst);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 2, NULL);
 
-       ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_PLAYING);
-       if ( ret )
-       {
-               debug_error("failed to set asm state to PLAYING\n");
-               return ret;
-       }
-
-       /* check current state */
-       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_RESUME );
+       usleep(time);
 
-       /* resume pipeline */
-       ret = __gst_resume( player, FALSE );
+       MMPLAYER_FLEAVE();
+}
 
-       if ( ret != MM_ERROR_NONE )
-       {
-               debug_error("failed to resume player.\n");
-       }
+static void __mmplayer_undo_sound_fadedown(mm_player_t* player)
+{
+       MMPLAYER_FENTER();
 
+       return_if_fail(player
+               && player->pipeline
+               && player->pipeline->audiobin
+               && player->pipeline->audiobin[MMPLAYER_A_SINK].gst);
 
-       debug_fleave();
+       g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 0, NULL);
 
-       return ret;
+       MMPLAYER_FLEAVE();
 }
 
-int
-__mmplayer_set_play_count(mm_player_t* player, gint count)
+static int __gst_stop(mm_player_t* player) // @
 {
+       GstStateChangeReturn change_ret = GST_STATE_CHANGE_SUCCESS;
        MMHandleType attrs = 0;
+       gboolean fadedown = FALSE;
+       gboolean rewind = FALSE;
+       gint timeout = 0;
+       int ret = MM_ERROR_NONE;
+       GstState state;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       return_val_if_fail ( player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       attrs =  MMPLAYER_GET_ATTRS(player);
+       debug_log("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
+       MMPLAYER_PRINT_STATE(player);
+
+       attrs = MMPLAYER_GET_ATTRS(player);
        if ( !attrs )
        {
-               debug_error("fail to get attributes.\n");
+               debug_error("cannot get content attribute\n");
                return MM_ERROR_PLAYER_INTERNAL;
        }
 
-       mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
-       if ( mmf_attrs_commit ( attrs ) ) /* return -1 if error */
-               debug_error("failed to commit\n");
-
-       debug_fleave();
+       mm_attrs_get_int_by_name(attrs, "sound_fadedown", &fadedown);
 
-       return  MM_ERROR_NONE;
-}
+       /* enable fadedown */
+       if (fadedown || player->sm.by_asm_cb)
+               __mmplayer_do_sound_fadedown(player, MM_PLAYER_FADEOUT_TIME_DEFAULT);
 
-int
-_mmplayer_activate_section_repeat(MMHandleType hplayer, unsigned long start, unsigned long end)
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       gint64 start_pos = 0;
-       gint64 end_pos = 0;
-       gint infinity = -1;
+       /* Just set state to PAUESED and the rewind. it's usual player behavior. */
+       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT ( player );
 
-       debug_fenter();
+       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_BUFF ||
+               player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS)
+       {
+               state = GST_STATE_READY;
+       }
+       else
+       {
+               state = GST_STATE_PAUSED;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( end <= GST_TIME_AS_MSECONDS(player->duration), MM_ERROR_INVALID_ARGUMENT );
+               if ( ! MMPLAYER_IS_STREAMING(player) ||
+                       (player->streaming_type == STREAMING_SERVICE_VOD && player->videodec_linked)) {
+                       rewind = TRUE;
+               }
+       }
 
-       player->section_repeat = TRUE;
-       player->section_repeat_start = start;
-       player->section_repeat_end = end;
+       /* set gst state */
+       ret = __mmplayer_gst_set_state( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, state, FALSE, timeout );
 
-       start_pos = player->section_repeat_start * G_GINT64_CONSTANT(1000000);
-       end_pos = player->section_repeat_end * G_GINT64_CONSTANT(1000000);
+       /* disable fadeout */
+       if (fadedown || player->sm.by_asm_cb)
+               __mmplayer_undo_sound_fadedown(player);
 
-       __mmplayer_set_play_count( player, infinity );
+       /* return if set_state has failed */
+       if ( ret != MM_ERROR_NONE )
+       {
+               debug_error("failed to set state.\n");
+               return ret;
+       }
 
-       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
-                                       1.0,
-                                       GST_FORMAT_TIME,
-                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                                       GST_SEEK_TYPE_SET, start_pos,
-                                       GST_SEEK_TYPE_SET, end_pos)))
+       /* rewind */
+       if ( rewind )
        {
-               debug_error("failed to activate section repeat\n");
+               if ( ! __gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, player->playback_rate,
+                               GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, 0,
+                               GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE) )
+               {
+                       debug_warning("failed to rewind\n");
+                       ret = MM_ERROR_PLAYER_SEEK;
+               }
+       }
 
-               return MM_ERROR_PLAYER_SEEK;
+       /* initialize */
+       player->sent_bos = FALSE;
+
+       /* wait for seek to complete */
+       change_ret = gst_element_get_state (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, NULL, NULL, timeout * GST_SECOND);
+       if ( change_ret == GST_STATE_CHANGE_SUCCESS || change_ret == GST_STATE_CHANGE_NO_PREROLL )
+       {
+               MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_READY );
+       }
+       else
+       {
+               debug_error("fail to stop player.\n");
+               ret = MM_ERROR_PLAYER_INTERNAL;
+               __mmplayer_dump_pipeline_state(player);
        }
 
-       debug_log("succeeded to set section repeat from %d to %d\n",
-               player->section_repeat_start, player->section_repeat_end);
+       /* generate dot file if enabled */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-stop" );
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return  MM_ERROR_NONE;
+       return ret;
 }
 
-static int 
-__mmplayer_set_pcm_extraction(mm_player_t* player)
+int __gst_pause(mm_player_t* player, gboolean async) // @
 {
-       guint64 start_nsec = 0;
-       guint64 end_nsec = 0;
-       guint64 dur_nsec = 0;
-       guint64 dur_msec = 0;
-       GstFormat fmt = GST_FORMAT_TIME;
-       int required_start = 0;
-       int required_end = 0;
-       int ret = 0;
-
-       debug_fenter();
-
-       return_val_if_fail( player, FALSE );
+       int ret = MM_ERROR_NONE;
 
-       mm_attrs_multiple_get(player->attrs,
-               NULL,
-               "pcm_extraction_start_msec", &required_start,
-               "pcm_extraction_end_msec", &required_end,
-               NULL);
+       MMPLAYER_FENTER();
 
-       debug_log("pcm extraction required position is from [%d] to [%d] (msec)\n", required_start, required_end);
+       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       return_val_if_fail(player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       if (required_start == 0 && required_end == 0)
-       {
-               debug_log("extracting entire stream");
-               return MM_ERROR_NONE;
-       }
-       else if (required_start < 0 || required_start > required_end || required_end < 0 )
-       {
-               debug_log("invalid range for pcm extraction");
-               return MM_ERROR_INVALID_ARGUMENT;
-       }
+       debug_log("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PAUSED;
+       MMPLAYER_PRINT_STATE(player);
 
-       /* get duration */
-       ret = gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &dur_nsec);
-       if ( !ret )
-       {
-               debug_error("failed to get duration");
-               return MM_ERROR_PLAYER_INTERNAL;
-       }
-       dur_msec = GST_TIME_AS_MSECONDS(dur_nsec);
+       /* set pipeline status to PAUSED */
+       player->ignore_asyncdone = TRUE;
 
-       if (dur_msec < required_end) // FIXME
-       {
-               debug_log("invalid end pos for pcm extraction");
-               return MM_ERROR_INVALID_ARGUMENT;
-       }
+       ret = __mmplayer_gst_set_state(player,
+               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, async, MMPLAYER_STATE_CHANGE_TIMEOUT(player));
 
-       start_nsec = required_start * G_GINT64_CONSTANT(1000000);
-       end_nsec = required_end * G_GINT64_CONSTANT(1000000);
+       player->ignore_asyncdone = FALSE;
 
-       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
-                                       1.0,
-                                       GST_FORMAT_TIME,
-                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                                       GST_SEEK_TYPE_SET, start_nsec,
-                                       GST_SEEK_TYPE_SET, end_nsec)))
+       if ( FALSE == async )
        {
-               debug_error("failed to seek for pcm extraction\n");
+               if ( ret != MM_ERROR_NONE )
+               {
+                       GstMessage *msg = NULL;
+                       GTimer *timer = NULL;
+                       gdouble MAX_TIMEOUT_SEC = 3;
 
-               return MM_ERROR_PLAYER_SEEK;
-       }
+                       debug_error("failed to set state to PAUSED");
 
-       debug_log("succeeded to set up segment extraction from [%llu] to [%llu] (nsec)\n", start_nsec, end_nsec);
+                       timer = g_timer_new();
+                       g_timer_start(timer);
 
-       debug_fleave(); 
+                       GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst));
+                       gboolean got_msg = FALSE;
+                       /* check if gst error posted or not */
+                       do
+                       {
+                               msg = gst_bus_timed_pop(bus, GST_SECOND /2);
+                               if (msg)
+                               {
+                                       if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_ERROR)
+                                       {
+                                               GError *error = NULL;
 
-       return MM_ERROR_NONE;
-}
+                                               /* parse error code */
+                                               gst_message_parse_error(msg, &error, NULL);
 
-static
-void __mmplayer_set_videosink_type(mm_player_t* player)
-{
-       int type = 0;
+                                               if ( gst_structure_has_name ( msg->structure, "streaming_error" ) )
+                                               {
+                                                       /* Note : the streaming error from the streaming source is handled
+                                                        *   using __mmplayer_handle_streaming_error.
+                                                        */
+                                                       __mmplayer_handle_streaming_error ( player, msg );
 
-       debug_fenter();
+                                               }
+                                               else if (error)
+                                               {
+                                                       debug_error("paring error posted from bus, domain : %s, code : %d", g_quark_to_string(error->domain), error->code);
 
-       return_if_fail( player );
+                                                       if (error->domain == GST_STREAM_ERROR)
+                                                       {
+                                                               ret = __gst_handle_stream_error( player, error, msg );
+                                                       }
+                                                       else if (error->domain == GST_RESOURCE_ERROR)
+                                                       {
+                                                               ret = __gst_handle_resource_error( player, error->code );
+                                                       }
+                                                       else if (error->domain == GST_LIBRARY_ERROR)
+                                                       {
+                                                               ret = __gst_handle_library_error( player, error->code );
+                                                       }
+                                                       else if (error->domain == GST_CORE_ERROR)
+                                                       {
+                                                               ret = __gst_handle_core_error( player, error->code );
+                                                       }
+                                               }
 
-       mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &type);
-       
-       debug_log("check display surface attribute: %d\n", type);
+                                               got_msg = TRUE;
+                                               player->msg_posted = TRUE;
+                                       }
+                                       gst_message_unref(msg);
+                               }
+                       } while (!got_msg && (g_timer_elapsed(timer, NULL) < MAX_TIMEOUT_SEC));
+                       /* clean */
+                       gst_object_unref(bus);
+                       g_timer_stop (timer);
+                       g_timer_destroy (timer);
 
-       if (type >=MM_DISPLAY_SURFACE_X)
-       {
-               PLAYER_INI()->video_surface = type;
+                       return ret;
+               }
+               else if ( (!player->pipeline->videobin) && (!player->pipeline->audiobin) )
+               {
+                       if (MMPLAYER_IS_RTSP_STREAMING(player))
+                               return ret;
+                       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+               }
+               else if ( ret== MM_ERROR_NONE)
+               {
+                       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PAUSED );
+               }
        }
 
-       debug_fleave();
+       /* generate dot file before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-pause" );
+
+       MMPLAYER_FLEAVE();
 
-       return;
+       return ret;
 }
 
-int
-_mmplayer_deactivate_section_repeat(MMHandleType hplayer)
+int __gst_resume(mm_player_t* player, gboolean async) // @
 {
-       mm_player_t* player = (mm_player_t*)hplayer;
-       gint64 cur_pos = 0;
-       GstFormat fmt  = GST_FORMAT_TIME;
-       gint onetime = 1;
+       int ret = MM_ERROR_NONE;
+       gint timeout = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail(player && player->pipeline,
+               MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       player->section_repeat = FALSE;
+       debug_log("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
+       MMPLAYER_PRINT_STATE(player);
 
-       __mmplayer_set_play_count( player, onetime );
+       /* generate dot file before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-resume" );
 
-       gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &cur_pos);
+       __mmplayer_set_antishock( player , FALSE );
 
-       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
-                                       1.0,
-                                       GST_FORMAT_TIME,
-                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                                       GST_SEEK_TYPE_SET, cur_pos,
-                                       GST_SEEK_TYPE_SET, player->duration )))
-       {
-               debug_error("failed to deactivate section repeat\n");
+       if ( async )
+               debug_log("do async state transition to PLAYING.\n");
 
-               return MM_ERROR_PLAYER_SEEK;
+       /* set pipeline state to PLAYING */
+       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+
+       ret = __mmplayer_gst_set_state(player,
+               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, timeout );
+       if (ret != MM_ERROR_NONE)
+       {
+               debug_error("failed to set state to PLAYING\n");
+               return ret;
+       }
+       else
+       {
+               if (async == FALSE)
+               {
+                       // MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_PLAYING );
+                       debug_log("update state machine to %d\n", MM_PLAYER_STATE_PLAYING);
+                       ret = __mmplayer_set_state(player, MM_PLAYER_STATE_PLAYING);
+               }
        }
 
-       debug_fenter();
+       /* generate dot file before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-resume" );
+
+       MMPLAYER_FLEAVE();
 
-       return MM_ERROR_NONE;
+       return ret;
 }
 
-int
-_mmplayer_set_playspeed(MMHandleType hplayer, gdouble rate)
+static int
+__gst_set_position(mm_player_t* player, int format, unsigned long position, gboolean internal_called) // @
 {
-       mm_player_t* player = (mm_player_t*)hplayer;
-       signed long long pos_msec = 0;
-       int ret = MM_ERROR_NONE;
-       int mute = FALSE;
-       GstFormat format =GST_FORMAT_TIME;
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
-       debug_fenter();
+       GstFormat fmt  = GST_FORMAT_TIME;
+       unsigned long dur_msec = 0;
+       gint64 dur_nsec = 0;
+       gint64 pos_nsec = 0;
+       gboolean ret = TRUE;
+       gboolean accurated = FALSE;
+       GstSeekFlags seek_flags = GST_SEEK_FLAG_FLUSH;
 
+       MMPLAYER_FENTER();
        return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( !MMPLAYER_IS_STREAMING(player), MM_ERROR_NOT_SUPPORT_API );
+       return_val_if_fail ( !MMPLAYER_IS_LIVE_STREAMING(player), MM_ERROR_PLAYER_NO_OP );
 
-       /* The sound of video is not supported under 0.0 and over 2.0. */
-       if(rate >= TRICK_PLAY_MUTE_THRESHOLD_MAX || rate < TRICK_PLAY_MUTE_THRESHOLD_MIN)
+       if ( MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING
+               && MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED )
+               goto PENDING;
+
+       /* check duration */
+       /* NOTE : duration cannot be zero except live streaming.
+        *              Since some element could have some timing problemn with quering duration, try again.
+        */
+       if ( !player->duration )
        {
-               if (player->can_support_codec & FOUND_PLUGIN_VIDEO)
-                       mute = TRUE;
+               if ( !gst_element_query_duration( player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &dur_nsec ))
+               {
+                       goto SEEK_ERROR;
+               }
+               player->duration = dur_nsec;
        }
-       _mmplayer_set_mute(hplayer, mute);
-
-       if (player->playback_rate == rate)
-               return MM_ERROR_NONE;
-
-       /* If the position is reached at start potion during fast backward, EOS is posted.
-        * So, This EOS have to be classified with it which is posted at reaching the end of stream.
-        * */
-       player->playback_rate = rate;
-
-       current_state = MMPLAYER_CURRENT_STATE(player);
 
-       if ( current_state != MM_PLAYER_STATE_PAUSED )
-               ret = gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &format, &pos_msec);
+       if ( player->duration )
+       {
+               dur_msec = GST_TIME_AS_MSECONDS(player->duration);
+       }
+       else
+       {
+               debug_error("could not get the duration. fail to seek.\n");
+               goto SEEK_ERROR;
+       }
 
-       debug_log ("pos_msec = %"GST_TIME_FORMAT" and ret = %d and state = %d", GST_TIME_ARGS (pos_msec), ret, current_state);
+       debug_log("playback rate: %f\n", player->playback_rate);
 
-       if ( ( current_state == MM_PLAYER_STATE_PAUSED )
-               || ( ! ret ))
-               //|| ( player->last_position != 0 && pos_msec == 0 ) )
+       mm_attrs_get_int_by_name(player->attrs,"accurate_seek", &accurated);
+       if (accurated)
        {
-               debug_warning("returning last point : %lld\n", player->last_position );
-               pos_msec = player->last_position;
+               seek_flags |= GST_SEEK_FLAG_ACCURATE;
        }
-
-       if ((!gst_element_seek (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
-                               rate,
-                               GST_FORMAT_TIME,
-                               ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
-                               //( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_KEY_UNIT),
-                               GST_SEEK_TYPE_SET, pos_msec,
-                               //GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE,
-                GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)))
+       else
        {
-               debug_error("failed to set speed playback\n");
-               return MM_ERROR_PLAYER_SEEK;
+               seek_flags |= GST_SEEK_FLAG_KEY_UNIT;
        }
 
-       debug_log("succeeded to set speed playback as %fl\n", rate);
+       /* do seek */
+       switch ( format )
+       {
+               case MM_PLAYER_POS_FORMAT_TIME:
+               {
+                       /* check position is valid or not */
+                       if ( position > dur_msec )
+                               goto INVALID_ARGS;
 
-       debug_fleave();
+                       debug_log("seeking to (%lu) msec, duration is %d msec\n", position, dur_msec);
 
-       return MM_ERROR_NONE;;
-}
+                       if (player->doing_seek)
+                       {
+                               debug_log("not completed seek");
+                               return MM_ERROR_PLAYER_DOING_SEEK;
+                       }
 
-int
-_mmplayer_set_position(MMHandleType hplayer, int format, int position) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+                       if ( !internal_called)
+                               player->doing_seek = TRUE;
 
-       debug_fenter();
+                       pos_nsec = position * G_GINT64_CONSTANT(1000000);
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+                       if ((MMPLAYER_IS_HTTP_STREAMING(player)) && (!player->videodec_linked))
+                       {
+                               gint64 cur_time = 0;
+                               GstFormat format = GST_FORMAT_TIME;
+
+                               /* get current position */
+                               gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &format, &cur_time);
+
+                               /* flush */
+                               GstEvent *event = gst_event_new_seek (1.0,
+                                                               GST_FORMAT_TIME,
+                                                               (GstSeekFlags)GST_SEEK_FLAG_FLUSH,
+                                                               GST_SEEK_TYPE_SET, cur_time,
+                                                               GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
+                               if(event) {
+                                       __gst_send_event_to_sink(player, event);
+                               }
 
-       ret = __gst_set_position ( player, format, (unsigned long)position );
+                               __gst_pause( player, FALSE );
+                       }
 
-       debug_fleave(); 
+                       ret = __gst_seek ( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, player->playback_rate,
+                                                       GST_FORMAT_TIME, seek_flags,
+                                                       GST_SEEK_TYPE_SET, pos_nsec, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE );
+                       if ( !ret  )
+                       {
+                               debug_error("failed to set position. dur[%lu]  pos[%lu]  pos_msec[%llu]\n", dur_msec, position, pos_nsec);
+                               goto SEEK_ERROR;
+                       }
+               }
+               break;
 
-       return ret;
-}
+               case MM_PLAYER_POS_FORMAT_PERCENT:
+               {
+                       debug_log("seeking to (%lu)%% \n", position);
 
-int
-_mmplayer_get_position(MMHandleType hplayer, int format, unsigned long *position) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+                       if (player->doing_seek)
+                       {
+                               debug_log("not completed seek");
+                               return MM_ERROR_PLAYER_DOING_SEEK;
+                       }
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+                       if ( !internal_called)
+                               player->doing_seek = TRUE;
 
-       ret = __gst_get_position ( player, format, position );
-       
-       return ret;
-}
+                       /* FIXIT : why don't we use 'GST_FORMAT_PERCENT' */
+                       pos_nsec = (gint64) ( ( position * player->duration ) / 100 );
+                       ret = __gst_seek ( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, player->playback_rate,
+                                                       GST_FORMAT_TIME, seek_flags,
+                                                       GST_SEEK_TYPE_SET, pos_nsec, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE );
+                       if ( !ret  )
+                       {
+                               debug_error("failed to set position. dur[%lud]  pos[%lud]  pos_msec[%llud]\n", dur_msec, position, pos_nsec);
+                               goto SEEK_ERROR;
+                       }
+               }
+               break;
 
-int
-_mmplayer_get_buffer_position(MMHandleType hplayer, int format, unsigned long* start_pos, unsigned long* stop_pos) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+               default:
+                       goto INVALID_ARGS;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       }
 
-       ret = __gst_get_buffer_position ( player, format, start_pos, stop_pos );
+       /* NOTE : store last seeking point to overcome some bad operation
+         *      ( returning zero when getting current position ) of some elements
+         */
+       player->last_position = pos_nsec;
 
-       return ret;
-}
+       /* MSL should guarante playback rate when seek is selected during trick play of fast forward. */
+       if ( player->playback_rate > 1.0 )
+               _mmplayer_set_playspeed ( (MMHandleType)player, player->playback_rate );
 
-int
-_mmplayer_adjust_subtitle_postion(MMHandleType hplayer, int format, int position) // @
-{
-       mm_player_t* player = (mm_player_t*)hplayer;
-       int ret = MM_ERROR_NONE;
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
 
-       debug_fenter();
+PENDING:
+       player->pending_seek.is_pending = TRUE;
+       player->pending_seek.format = format;
+       player->pending_seek.pos = position;
 
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       debug_warning("player current-state : %s, pending-state : %s, just preserve pending position(%lu).\n",
+               MMPLAYER_STATE_GET_NAME(MMPLAYER_CURRENT_STATE(player)), MMPLAYER_STATE_GET_NAME(MMPLAYER_PENDING_STATE(player)), player->pending_seek.pos);
 
-       ret = __gst_adjust_subtitle_position(player, format, position);
+       return MM_ERROR_NONE;
 
-       debug_fleave();
+INVALID_ARGS:
+       debug_error("invalid arguments, position : %ld  dur : %ld format : %d \n", position, dur_msec, format);
+       return MM_ERROR_INVALID_ARGUMENT;
 
-       return ret;
+SEEK_ERROR:
+       player->doing_seek = FALSE;
+       return MM_ERROR_PLAYER_SEEK;
 }
 
-static gboolean
-__mmplayer_is_midi_type( gchar* str_caps)
-{
-       if ( ( g_strrstr(str_caps, "audio/midi") ) ||
-               ( g_strrstr(str_caps, "application/x-gst_ff-mmf") ) ||
-               ( g_strrstr(str_caps, "application/x-smaf") ) ||
-               ( g_strrstr(str_caps, "audio/x-imelody") ) ||
-               ( g_strrstr(str_caps, "audio/mobile-xmf") ) ||
-               ( g_strrstr(str_caps, "audio/xmf") ) ||
-               ( g_strrstr(str_caps, "audio/mxmf") ) )
-       {
-               debug_log("midi\n");
+#define TRICKPLAY_OFFSET GST_MSECOND
 
-               return TRUE;
-       }
+static int
+__gst_get_position(mm_player_t* player, int format, unsigned long* position) // @
+{
+       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       GstFormat fmt = GST_FORMAT_TIME;
+       signed long long pos_msec = 0;
+       gboolean ret = TRUE;
 
-       debug_log("not midi.\n");
+       return_val_if_fail( player && position && player->pipeline && player->pipeline->mainbin,
+               MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       return FALSE;
-}
+       current_state = MMPLAYER_CURRENT_STATE(player);
 
-static gboolean
-__mmplayer_is_amr_type (gchar *str_caps)
-{
-       if ((g_strrstr(str_caps, "AMR")) ||
-               (g_strrstr(str_caps, "amr")))
+       /* NOTE : query position except paused state to overcome some bad operation
+        * please refer to below comments in details
+        */
+       if ( current_state != MM_PLAYER_STATE_PAUSED )
        {
-               return TRUE;
+               ret = gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &pos_msec);
        }
-       return FALSE;
-}
 
-static gboolean
-__mmplayer_is_only_mp3_type (gchar *str_caps)
-{
-       if (g_strrstr(str_caps, "application/x-id3") ||
-               (g_strrstr(str_caps, "audio/mpeg") && g_strrstr(str_caps, "mpegversion=(int)1")))
+       /* NOTE : get last point to overcome some bad operation of some elements
+        * ( returning zero when getting current position in paused state
+        * and when failed to get postion during seeking
+        */
+       if ( ( current_state == MM_PLAYER_STATE_PAUSED )
+               || ( ! ret ))
+               //|| ( player->last_position != 0 && pos_msec == 0 ) )
        {
-               return TRUE;
-       }
-       return FALSE;
-}
-
-static void
-__mmplayer_typefind_have_type(  GstElement *tf, guint probability,  // @
-GstCaps *caps, gpointer data)
-{
-       mm_player_t* player = (mm_player_t*)data;
-       GstPad* pad = NULL;
+               debug_log ("pos_msec = %"GST_TIME_FORMAT" and ret = %d and state = %d", GST_TIME_ARGS (pos_msec), ret, current_state);
 
-       debug_fenter();
+               if(player->playback_rate < 0.0)
+                       pos_msec = player->last_position - TRICKPLAY_OFFSET;
+               else
+                       pos_msec = player->last_position;
 
-       return_if_fail( player && tf && caps );
+               if (!ret)
+                       pos_msec = player->last_position;
+               else
+                       player->last_position = pos_msec;
 
-       /* store type string */
-       MMPLAYER_FREEIF(player->type);
-       player->type = gst_caps_to_string(caps);
-       if (player->type)
-               debug_log("meida type %s found, probability %d%% / %d\n", player->type, probability, gst_caps_get_size(caps));
+               debug_log("returning last point : %"GST_TIME_FORMAT, GST_TIME_ARGS(pos_msec));
 
-       /* midi type should be stored because it will be used to set audio gain in avsysauiosink */
-       if ( __mmplayer_is_midi_type(player->type))
-       {
-               player->profile.play_mode = MM_PLAYER_MODE_MIDI;
        }
-       else if (__mmplayer_is_amr_type(player->type))
+       else
        {
-               player->bypass_sound_effect = FALSE;
-               if ( (PLAYER_INI()->use_audio_filter_preset || PLAYER_INI()->use_audio_filter_custom) )
+               if (player->duration > 0 && pos_msec > player->duration) {
+                       pos_msec = player->duration;
+               }
+
+               if (player->sm.keep_last_pos) {
+                       debug_log("return last pos as stop by asm, %"GST_TIME_FORMAT, GST_TIME_ARGS(player->last_position));
+                       pos_msec = player->last_position;
+               }
+               else {
+                       player->last_position = pos_msec;
+               }
+       }
+
+       switch (format) {
+               case MM_PLAYER_POS_FORMAT_TIME:
+                       *position = GST_TIME_AS_MSECONDS(pos_msec);
+                       break;
+
+               case MM_PLAYER_POS_FORMAT_PERCENT:
                {
-                       if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_PRESET )
+                       gint64 dur = 0;
+                       gint64 pos = 0;
+
+                       dur = player->duration / GST_SECOND;
+                       if (dur <= 0)
                        {
-                               if (!_mmplayer_sound_filter_preset_apply(player, player->audio_filter_info.preset))
-                               {
-                                       debug_msg("apply sound effect(preset:%d) setting success\n",player->audio_filter_info.preset);
-                               }
+                               debug_log ("duration is [%d], so returning position 0\n",dur);
+                               *position = 0;
                        }
-                       else if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_CUSTOM )
+                       else
                        {
-                               if (!_mmplayer_sound_filter_custom_apply(player))
-                               {
-                                       debug_msg("apply sound effect(custom) setting success\n");
-                               }
-                       }
-               }
-       }
-       else if ( g_strrstr(player->type, "application/x-hls"))
-       {
-               /* If it can't know exact type when it parses uri because of redirection case,
-                 * it will be fixed by typefinder here.
-                 */
-               player->profile.uri_type = MM_PLAYER_URI_TYPE_HLS;
-       }
-
-       pad = gst_element_get_static_pad(tf, "src");
-       if ( !pad )
-       {
-               debug_error("fail to get typefind src pad.\n");
-               return;
-       }
-
-
-       /* try to plug */
-       if ( ! __mmplayer_try_to_plug( player, pad, caps ) )
-       {
-               debug_error("failed to autoplug for type : %s\n", player->type);
-
-               if ( ( PLAYER_INI()->async_start ) &&
-               ( ! MMPLAYER_IS_RTSP_STREAMING ( player ) ) &&
-               ( player->posted_msg == FALSE ) )
-               {
-                       __mmplayer_post_missed_plugin( player );
-               }
-                       
-               goto DONE;
-       }
-
-       /* finish autopluging if no dynamic pad waiting */
-       if( ( ! player->have_dynamic_pad) && ( ! player->has_many_types) )
-       {
-               if ( ! MMPLAYER_IS_RTSP_STREAMING( player ) )
-               {
-                       __mmplayer_pipeline_complete( NULL, (gpointer)player );
+                               pos = pos_msec / GST_SECOND;
+                               *position = pos * 100 / dur;
+                       }
+                       break;
                }
+               default:
+                       return MM_ERROR_PLAYER_INTERNAL;
        }
 
-DONE:
-       gst_object_unref( GST_OBJECT(pad) );
-
-       debug_fleave(); 
-
-       return;
+       return MM_ERROR_NONE;
 }
 
-static gboolean
-__mmplayer_warm_up_video_codec( mm_player_t* player,  GstElementFactory *factory)
-{
-       GstElement *element;
-       GstStateChangeReturn  ret;
-       gboolean usable = TRUE;
-
-       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( factory, MM_ERROR_COMMON_INVALID_ARGUMENT );
-
-       element = gst_element_factory_create (factory, NULL);
-
-       ret = gst_element_set_state (element, GST_STATE_READY);
-
-       if (ret != GST_STATE_CHANGE_SUCCESS)
-       {
-               debug_error ("resource conflict so,  %s unusable\n", GST_PLUGIN_FEATURE_NAME (factory));
-               usable = FALSE;
-       }
-
-       gst_element_set_state (element, GST_STATE_NULL);
-       gst_object_unref (element);
-
-       return usable;
-}
 
-/* it will return first created element */
-static gboolean
-__mmplayer_try_to_plug(mm_player_t* player, GstPad *pad, const GstCaps *caps) // @
+static int     __gst_get_buffer_position(mm_player_t* player, int format, unsigned long* start_pos, unsigned long* stop_pos)
 {
-       MMPlayerGstElement* mainbin = NULL;
-       const char* mime = NULL;
-       const GList* item = NULL;
-       const gchar* klass = NULL;
-       GstCaps* res = NULL;
-       gboolean skip = FALSE;
-       GstPad* queue_pad = NULL;
-       GstElement* queue = NULL;
-       GstElement *element = NULL;
+#define STREAMING_IS_FINISHED  0
+#define BUFFERING_MAX_PER      100
 
-       debug_fenter();
+       GstQuery *query = NULL;
 
        return_val_if_fail( player &&
                                                player->pipeline &&
                                                player->pipeline->mainbin,
-                                               FALSE );
+                                               MM_ERROR_PLAYER_NOT_INITIALIZED );
 
+       return_val_if_fail( start_pos && stop_pos, MM_ERROR_INVALID_ARGUMENT );
 
-       mainbin = player->pipeline->mainbin;
+       if (!MMPLAYER_IS_HTTP_STREAMING ( player ))
+       {
+               /* and rtsp is not ready yet. */
+               debug_warning ( "it's only used for http streaming case.\n" );
+               return MM_ERROR_NONE;
+       }
 
-       mime = gst_structure_get_name(gst_caps_get_structure(caps, 0));
+       *start_pos = 0;
+       *stop_pos = 0;
 
-       /* return if we got raw output */
-       if(g_str_has_prefix(mime, "video/x-raw") || g_str_has_prefix(mime, "audio/x-raw") ||g_str_has_prefix(mime, "text/plain") )
-       {
+       switch ( format )
+       {
+               case MM_PLAYER_POS_FORMAT_PERCENT :
+               {
+                       gint start_per = -1, stop_per = -1;
+                       gint64 buffered_total = 0;
 
-               element = (GstElement*)gst_pad_get_parent(pad);
+                       unsigned long position = 0;
+                       guint curr_size_bytes = 0;
+                       gint64 buffering_left = -1;
+                       gint buffered_sec = -1;
 
+                       gint64 content_duration = player->duration;
+                       guint64 content_size = player->http_content_size;
 
-/* NOTE : When no decoder has added during autoplugging. like a simple wave playback.
- * No queue will be added. I think it can caused breaking sound when playing raw audio
- * frames but there's no different. Decodebin also doesn't add with those wav fils.
- * Anyway, currentely raw-queue seems not necessary.
- */
-#if 1
+                       if (content_duration > 0)
+                       {
+                               if (!__gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &position))
+                               {
+                                       debug_log ("[Time] pos %d ms / dur %d sec / %lld bytes", position, (guint)(content_duration/GST_SECOND), content_size);
+                                       start_per = 100 * (position*GST_MSECOND) / content_duration;
 
-               /* NOTE : check if previously linked element is demuxer/depayloader/parse means no decoder
-                * has linked. if so, we need to add queue for quality of output. note that
-                * decodebin also has same problem.
-                */
+                                       /* buffered size info from multiqueue */
+                                       if (player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst)
+                                       {
+                                               g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst), "curr-size-bytes", &curr_size_bytes, NULL);
+                                               debug_log ("[MQ] curr_size_bytes = %d", curr_size_bytes);
 
-               klass = gst_element_factory_get_klass( gst_element_get_factory(element) );
+                                               buffered_total += curr_size_bytes;
+                                       }
 
-               /* add queue if needed */
-               if( g_strrstr(klass, "Demux") ||
-               g_strrstr(klass, "Depayloader") ||
-                       g_strrstr(klass, "Parse") )
-               {
-                       debug_log("adding raw queue\n");
+                                       /* buffered size info from queue2 */
+                                       if (player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst)
+                                       {
+                                               query = gst_query_new_buffering ( GST_FORMAT_BYTES );
+                                               if (gst_element_query(player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst, query))
+                                               {
+                                                       GstBufferingMode mode;
+                                                       gint byte_in_rate = 0, byte_out_rate = 0;
+                                                       gint64 start_byte = 0, stop_byte = 0;
+                                                       guint num_of_ranges = 0;
+                                                       guint idx = 0;
+
+                                                       num_of_ranges = gst_query_get_n_buffering_ranges(query);
+                                                       for ( idx=0 ; idx<num_of_ranges ; idx++ )
+                                                       {
+                                                               gst_query_parse_nth_buffering_range (query, idx, &start_byte, &stop_byte);
+                                                               debug_log ("[Q2][range %d] %lld ~ %lld\n", idx, start_byte, stop_byte);
 
-                       queue = gst_element_factory_make("queue", NULL);
-                       if ( ! queue )
-                       {
-                               debug_warning("failed to create queue\n");
-                               goto ERROR;
-                       }
+                                                               buffered_total += (stop_byte - start_byte);
+                                                       }
 
-                       /* warmup */
-                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_READY) )
-                       {
-                               debug_warning("failed to set state READY to queue\n");
-                               goto ERROR;
+                                                       gst_query_parse_buffering_stats(query, &mode, &byte_in_rate, &byte_out_rate, &buffering_left);
+                                                       debug_log ("[Q2] in_rate %d, out_rate %d, left %lld\n", byte_in_rate, byte_out_rate, buffering_left);
+                                               }
+                                               gst_query_unref (query);
+                                       }
+
+                                       if (buffering_left == STREAMING_IS_FINISHED)
+                                       {
+                                               stop_per = BUFFERING_MAX_PER;
+                                       }
+                                       else
+                                       {
+                                               guint dur_sec = (guint)(content_duration/GST_SECOND);
+                                               guint avg_byterate = (dur_sec>0)?((guint)(content_size/dur_sec)):(0);
+
+                                               if (avg_byterate > 0)
+                                                       buffered_sec = (gint)(buffered_total/avg_byterate);
+                                               else if (player->total_maximum_bitrate > 0)
+                                                       buffered_sec = (gint)(GET_BIT_FROM_BYTE(buffered_total)/(gint64)player->total_maximum_bitrate);
+                                               else if (player->total_bitrate > 0)
+                                                       buffered_sec = (gint)(GET_BIT_FROM_BYTE(buffered_total)/(gint64)player->total_bitrate);
+
+                                               if ((buffered_sec >= 0) && (dur_sec > 0))
+                                                       stop_per = start_per + (100 * buffered_sec / dur_sec);
+                                       }
+
+                                       debug_log ("[Buffered Total] %lld bytes, %d sec, per %d~%d\n", buffered_total, buffered_sec, start_per, stop_per);
+                               }
                        }
 
-                       /* add to pipeline */
-                       if ( ! gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue) )
+                       if (((buffered_total == 0) || (start_per < 0) || (stop_per < 0)) &&
+                               (player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst))
                        {
-                               debug_warning("failed to add queue\n");
-                               goto ERROR;
-                       }
+                               query = gst_query_new_buffering ( GST_FORMAT_PERCENT );
+                               if ( gst_element_query ( player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst, query ) )
+                               {
+                                       GstFormat format;
+                                       gint64 range_start_per = -1, range_stop_per = -1;
 
-                       /* link queue */
-                       queue_pad = gst_element_get_static_pad(queue, "sink");
+                                       gst_query_parse_buffering_range ( query, &format, &range_start_per, &range_stop_per, NULL );
 
-                       if ( GST_PAD_LINK_OK != gst_pad_link(pad, queue_pad) )
-                       {
-                               debug_warning("failed to link queue\n");
-                               goto ERROR;
-                       }
-                       gst_object_unref ( GST_OBJECT(queue_pad) );
-                       queue_pad = NULL;
+                                       debug_log ("[Q2] range start %" G_GINT64_FORMAT " ~ stop %" G_GINT64_FORMAT "\n",  range_start_per , range_stop_per);
 
-                       /* running */
-                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_PAUSED) )
-                       {
-                               debug_warning("failed to set state READY to queue\n");
-                               goto ERROR;
-                       }
+                                       if (range_start_per != -1)
+                                               start_per = (gint)(100 * range_start_per / GST_FORMAT_PERCENT_MAX);
 
-                       /* replace given pad to queue:src */
-                       pad = gst_element_get_static_pad(queue, "src");
-                       if ( ! pad )
-                       {
-                               debug_warning("failed to get pad from queue\n");
-                               goto ERROR;
+                                       if (range_stop_per != -1)
+                                               stop_per = (gint)(100 * range_stop_per / GST_FORMAT_PERCENT_MAX);
+                               }
+                               gst_query_unref (query);
                        }
-               }
-#endif
-               /* check if player can do start continually */
-               MMPLAYER_CHECK_CMD_IF_EXIT(player);
 
-               if(__mmplayer_link_sink(player,pad))
-                        __mmplayer_gst_decode_callback(element, pad, FALSE, player);
-
-               gst_object_unref( GST_OBJECT(element));
-               element = NULL;
+                       if ( start_per > 0)
+                               *start_pos = (start_per < 100)?(start_per):(100);
+                       else
+                               *start_pos = 0;
 
+                       if ( stop_per > 0)
+                               *stop_pos = (stop_per < 100)?(stop_per):(100);
+                       else
+                               *stop_pos = 0;
 
-               return TRUE;
-       }
+                       break;
+               }
+               case MM_PLAYER_POS_FORMAT_TIME :
+                       debug_warning ( "Time format is not supported yet.\n" );
+                       break;
 
-       item = player->factories;
-       for(; item != NULL ; item = item->next)
-       {
+               default :
+                       break;
+       }
 
-               GstElementFactory *factory = GST_ELEMENT_FACTORY(item->data);
-               const GList *pads;
-               gint idx = 0;
+       debug_log("current buffer position : %lu~%lu \n", *start_pos, *stop_pos );
 
-               skip = FALSE;
+       return MM_ERROR_NONE;
+}
 
-               /* filtering exclude keyword */
-               for ( idx = 0; PLAYER_INI()->exclude_element_keyword[idx][0] != '\0'; idx++ )
-               {
-                       if ( g_strrstr(GST_PLUGIN_FEATURE_NAME (factory),
-                                       PLAYER_INI()->exclude_element_keyword[idx] ) )
-                       {
-                               debug_warning("skipping [%s] by exculde keyword [%s]\n",
-                                       GST_PLUGIN_FEATURE_NAME (factory),
-                                       PLAYER_INI()->exclude_element_keyword[idx] );
+static int
+__gst_set_message_callback(mm_player_t* player, MMMessageCallback callback, gpointer user_param) // @
+{
+       MMPLAYER_FENTER();
 
-                               skip = TRUE;
-                               break;
-                       }
-               }
+       if ( !player )
+       {
+               debug_warning("set_message_callback is called with invalid player handle\n");
+               return MM_ERROR_PLAYER_NOT_INITIALIZED;
+       }
 
-               if ( skip ) continue;
+       player->msg_cb = callback;
+       player->msg_cb_param = user_param;
 
+       debug_log("msg_cb : 0x%x     msg_cb_param : 0x%x\n", (guint)callback, (guint)user_param);
 
-               /* check factory class for filtering */
-               klass = gst_element_factory_get_klass(GST_ELEMENT_FACTORY(factory));
+       MMPLAYER_FLEAVE();
 
-               if ( MMPLAYER_IS_RTSP_STREAMING( player ) )
-               {
-                       if ( g_strrstr(klass, "Parse") )
-                       {
-                               debug_log("streaming doesn't need any parser. skipping [%s]\n",
-                                       GST_PLUGIN_FEATURE_NAME (factory) );
+       return MM_ERROR_NONE;
+}
 
-                               continue;
-                       }
-               }
+static int __mmfplayer_parse_profile(const char *uri, void *param, MMPlayerParseProfile* data) // @
+{
+       int ret = MM_ERROR_PLAYER_INVALID_URI;
+       char *path = NULL;
 
-               /* NOTE : msl don't need to use image plugins.
-                * So, those plugins should be skipped for error handling.
-                */
-               if ( g_strrstr(klass, "Codec/Decoder/Image") )
-               {
-                       debug_log("player doesn't need [%s] so, skipping it\n",
-                               GST_PLUGIN_FEATURE_NAME (factory) );
+       MMPLAYER_FENTER();
 
-                       continue;
-               }
+       return_val_if_fail ( uri , FALSE);
+       return_val_if_fail ( data , FALSE);
+       return_val_if_fail ( ( strlen(uri) <= MM_MAX_URL_LEN ), FALSE );
 
+       memset(data, 0, sizeof(MMPlayerParseProfile));
 
-               /* check pad compatability */
-               for(pads = gst_element_factory_get_static_pad_templates(factory);
-                    pads != NULL; pads=pads->next)
-              {
-                      GstStaticPadTemplate *temp1 = pads->data;
-                       GstCaps* static_caps = NULL;
+       if ((path = strstr(uri, "file://")))
+       {
+               int file_stat = MM_ERROR_NONE;
 
-                       if( temp1->direction != GST_PAD_SINK ||
-                               temp1->presence != GST_PAD_ALWAYS)
-                               continue;
+               file_stat = util_exist_file_path(path + 7);
 
+               if (file_stat == MM_ERROR_NONE)
+               {
+                       strncpy(data->uri, path, MM_MAX_URL_LEN-1);
 
-                       if ( GST_IS_CAPS( &temp1->static_caps.caps) )
+                       if ( util_is_sdp_file ( path ) )
                        {
-                               /* using existing caps */
-                               static_caps = gst_caps_ref( &temp1->static_caps.caps );
+                               debug_log("uri is actually a file but it's sdp file. giving it to rtspsrc\n");
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
                        }
                        else
                        {
-                               /* create one */
-                               static_caps = gst_caps_from_string ( temp1->static_caps.string );
+                               data->uri_type = MM_PLAYER_URI_TYPE_FILE;
                        }
+                       ret = MM_ERROR_NONE;
+               }
+               else if (file_stat == MM_ERROR_PLAYER_PERMISSION_DENIED)
+               {
+                       data->uri_type = MM_PLAYER_URI_TYPE_NO_PERMISSION;
+               }
+               else
+               {
+                       debug_warning("could  access %s.\n", path);
+               }
+       }
+       else if ((path = strstr(uri, "buff://")))
+       {
+                       data->uri_type = MM_PLAYER_URI_TYPE_BUFF;
+                       ret = MM_ERROR_NONE;
+       }
+       else if ((path = strstr(uri, "rtsp://")))
+       {
+               if (strlen(path)) {
+                       if((path = strstr(uri, "/wfd1.0/"))) {
+                               strncpy(data->uri, uri, MM_MAX_URL_LEN-1);
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_WFD;
+                               ret = MM_ERROR_NONE;
+                               debug_log("uri is actually a wfd client path. giving it to wfdrtspsrc\n");
+                       }
+                       else {
+                               strncpy(data->uri, uri, MM_MAX_URL_LEN-1);
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
+                               ret = MM_ERROR_NONE;
+                       }
+               }
+       }
+       else if ((path = strstr(uri, "http://")))
+       {
+               if (strlen(path)) {
+                       strncpy(data->uri, uri, MM_MAX_URL_LEN-1);
+#ifdef MM_SMOOTH_STREAMING
+                       if (g_str_has_suffix (g_ascii_strdown(uri, strlen(uri)), ".ism/manifest") ||
+                               g_str_has_suffix (g_ascii_strdown(uri, strlen(uri)), ".isml/manifest"))
+                       {
+                               data->uri_type = MM_PLAYER_URI_TYPE_SS;
+                       }
+                       else
+#endif
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_HTTP;
 
-                       res = gst_caps_intersect(caps, static_caps);
-
-                       gst_caps_unref( static_caps );
-                       static_caps = NULL;
+                       ret = MM_ERROR_NONE;
+               }
+       }
+       else if ((path = strstr(uri, "https://")))
+       {
+               if (strlen(path)) {
+                       strncpy(data->uri, uri, MM_MAX_URL_LEN -1);
+#ifdef MM_SMOOTH_STREAMING
+               if (g_str_has_suffix (g_ascii_strdown(uri, strlen(uri)), ".ism/manifest") ||
+                               g_str_has_suffix (g_ascii_strdown(uri, strlen(uri)), ".isml/manifest"))
+                       {
+                               data->uri_type = MM_PLAYER_URI_TYPE_SS;
+                       }
+#endif
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_HTTP;
 
-                       if( res && !gst_caps_is_empty(res) )
-                       {
-                               GstElement *new_element;
-                               GList *elements = player->parsers;
-                               char *name_template = g_strdup(temp1->name_template);
-                               gchar *name_to_plug = GST_PLUGIN_FEATURE_NAME(factory);
+                       ret = MM_ERROR_NONE;
+               }
+       }
+       else if ((path = strstr(uri, "rtspu://")))
+       {
+               if (strlen(path)) {
+                       strncpy(data->uri, uri, MM_MAX_URL_LEN -1);
+                       data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
+                       ret = MM_ERROR_NONE;
+               }
+       }
+       else if ((path = strstr(uri, "rtspr://")))
+       {
+               strncpy(data->uri, path, MM_MAX_URL_LEN -1);
+               char *separater =strstr(path, "*");
 
-                               gst_caps_unref(res);
+               if (separater) {
+                       int urgent_len = 0;
+                       char *urgent = separater + strlen("*");
 
-                               debug_log("found %s to plug\n", name_to_plug);
+                       if ((urgent_len = strlen(urgent))) {
+                               data->uri[strlen(path) - urgent_len - strlen("*")] = '\0';
+                               strncpy(data->urgent, urgent, MM_MAX_FILENAME_LEN -1);
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
+                               ret = MM_ERROR_NONE;
+                       }
+               }
+       }
+       else if ((path = strstr(uri, "mms://")))
+       {
+               if (strlen(path)) {
+                       strncpy(data->uri, uri, MM_MAX_URL_LEN -1);
+                       data->uri_type = MM_PLAYER_URI_TYPE_URL_MMS;
+                       ret = MM_ERROR_NONE;
+               }
+       }
+       else if ((path = strstr(uri, "mem://")))
+       {
+               if (strlen(path)) {
+                       #define MM_MAX_EXT_SIZE 100
+                       int mem_size = 0;
+                       char *buffer = NULL;
+                       char *seperator = strchr(path, ',');
+                       char ext[MM_MAX_EXT_SIZE] = {0,}, size[MM_MAX_EXT_SIZE] = {0,};
 
-                               new_element = gst_element_factory_create(GST_ELEMENT_FACTORY(factory), NULL);
-                               if ( ! new_element )
-                               {
-                                       debug_error("failed to create element [%s]. continue with next.\n",
-                                               GST_PLUGIN_FEATURE_NAME (factory));
+                       if (seperator) {
+                               if ((buffer = strstr(path, "ext="))) {
+                                       buffer += strlen("ext=");
 
-                                       MMPLAYER_FREEIF(name_template);
+                                       if (strlen(buffer)) {
+                                               strncpy(ext, buffer, MM_MAX_EXT_SIZE -1);
 
-                                       continue;
+                                               if ((seperator = strchr(ext, ','))
+                                                       || (seperator = strchr(ext, ' '))
+                                                       || (seperator = strchr(ext, '\0'))) {
+                                                       seperator[0] = '\0';
+                                               }
+                                       }
                                }
 
-                               /* check and skip it if it was already used. Otherwise, it can be an infinite loop
-                                * because parser can accept its own output as input.
-                                */
-                               if (g_strrstr(klass, "Parser"))
-                               {
-                                       gchar *selected = NULL;
+                               if ((buffer = strstr(path, "size="))) {
+                                       buffer += strlen("size=");
 
-                                       for ( ; elements; elements = g_list_next(elements))
-                                       {
-                                               gchar *element_name = elements->data;
+                                       if (strlen(buffer) > 0) {
+                                               strncpy(size, buffer, MM_MAX_EXT_SIZE -1);
 
-                                               if (g_strrstr(element_name, name_to_plug))
-                                               {
-                                                       debug_log("but, %s already linked, so skipping it\n", name_to_plug);
-                                                       skip = TRUE;
+                                               if ((seperator = strchr(size, ','))
+                                                       || (seperator = strchr(size, ' '))
+                                                       || (seperator = strchr(size, '\0'))) {
+                                                       seperator[0] = '\0';
                                                }
-                                       }
-
-                                       if (skip) continue;
 
-                                       selected = g_strdup(name_to_plug);
-
-                                       player->parsers = g_list_append(player->parsers, selected);
+                                               mem_size = atoi(size);
+                                       }
                                }
+                       }
 
-                               /* store specific handles for futher control */
-                               if(g_strrstr(klass, "Demux") || g_strrstr(klass, "Parse"))
-                       {
-                                       /* FIXIT : first value will be overwritten if there's more
-                                        * than 1 demuxer/parser
-                                        */
-                                       debug_log("plugged element is demuxer. take it\n");
-                                       mainbin[MMPLAYER_M_DEMUX].id = MMPLAYER_M_DEMUX;
-                                       mainbin[MMPLAYER_M_DEMUX].gst = new_element;
-                               }
-                               else if(g_strrstr(klass, "Decoder") && __mmplayer_link_decoder(player,pad))
-                               {                                                                       
-                                   if(mainbin[MMPLAYER_M_DEC1].gst == NULL)
-                                   {
-                                               debug_log("plugged element is decoder. take it[MMPLAYER_M_DEC1]\n");
-                                               mainbin[MMPLAYER_M_DEC1].id = MMPLAYER_M_DEC1;
-                                               mainbin[MMPLAYER_M_DEC1].gst = new_element;
-                                   }
-                                   else if(mainbin[MMPLAYER_M_DEC2].gst == NULL)
-                                   {
-                                               debug_log("plugged element is decoder. take it[MMPLAYER_M_DEC2]\n");
-                                               mainbin[MMPLAYER_M_DEC2].id = MMPLAYER_M_DEC2;
-                                               mainbin[MMPLAYER_M_DEC2].gst = new_element;
-                                   }
+                       debug_log("ext: %s, mem_size: %d, mmap(param): %p\n", ext, mem_size, param);
+                       if ( mem_size && param)
+                       {
+                               data->mem = param;
+                               data->mem_size = mem_size;
+                               data->uri_type = MM_PLAYER_URI_TYPE_MEM;
+                               ret = MM_ERROR_NONE;
+                       }
+               }
+       }
+       else
+       {
+               int file_stat = MM_ERROR_NONE;
 
-                                       /* NOTE : IF one codec is found, add it to supported_codec and remove from
-                                        * missing plugin. Both of them are used to check what's supported codec
-                                        * before returning result of play start. And, missing plugin should be
-                                        * updated here for multi track files.
-                                        */
-                                       if(g_str_has_prefix(mime, "video"))
-                                       {
-                                               GstPad *src_pad = NULL;
-                                               GstPadTemplate *pad_templ = NULL;
-                                               GstCaps *caps = NULL;
-                                               gchar *caps_type = NULL;
-                                                       
-                                               debug_log("found VIDEO decoder\n");
-                                               player->not_supported_codec &= MISSING_PLUGIN_AUDIO;
-                                               player->can_support_codec |= FOUND_PLUGIN_VIDEO;
+               file_stat = util_exist_file_path(uri);
 
-                                               src_pad = gst_element_get_static_pad (new_element, "src");
-                                               pad_templ = gst_pad_get_pad_template (src_pad);
-                                               caps = GST_PAD_TEMPLATE_CAPS(pad_templ);
+               /* if no protocol prefix exist. check file existence and then give file:// as it's prefix */
+               if (file_stat == MM_ERROR_NONE)
+               {
+                       g_snprintf(data->uri,  MM_MAX_URL_LEN, "file://%s", uri);
 
-                                               caps_type = gst_caps_to_string(caps);
+                       if ( util_is_sdp_file( (char*)uri ) )
+                       {
+                               debug_log("uri is actually a file but it's sdp file. giving it to rtspsrc\n");
+                               data->uri_type = MM_PLAYER_URI_TYPE_URL_RTSP;
+                       }
+                       else
+                       {
+                               data->uri_type = MM_PLAYER_URI_TYPE_FILE;
+                       }
+                       ret = MM_ERROR_NONE;
+               }
+               else if (file_stat == MM_ERROR_PLAYER_PERMISSION_DENIED)
+               {
+                       data->uri_type = MM_PLAYER_URI_TYPE_NO_PERMISSION;
+               }
+               else
+               {
+                       debug_error ("invalid uri, could not play..\n");
+                       data->uri_type = MM_PLAYER_URI_TYPE_NONE;
+               }
+       }
 
-                                               if ( g_strrstr( caps_type, "ST12") )
-                                                       player->is_nv12_tiled = TRUE;
+       if (data->uri_type == MM_PLAYER_URI_TYPE_NONE) {
+               ret = MM_ERROR_PLAYER_FILE_NOT_FOUND;
+       } else if (data->uri_type == MM_PLAYER_URI_TYPE_NO_PERMISSION){
+               ret = MM_ERROR_PLAYER_PERMISSION_DENIED;
+       }
 
-                                               /* clean */
-                                               MMPLAYER_FREEIF( caps_type );
-                                               gst_object_unref (src_pad);
+       /* dump parse result */
+       secure_debug_warning("incomming uri : %s\n", uri);
+       debug_log("uri_type : %d, play_mode : %d, mem : 0x%x, mem_size : %d, urgent : %s\n",
+               data->uri_type, data->play_mode, (guint)data->mem, data->mem_size, data->urgent);
 
-                                               g_object_set( G_OBJECT (new_element), "hw-accel", PLAYER_INI()->use_video_hw_accel, NULL);
-                                               g_object_set( G_OBJECT (new_element), "err-conceal", TRUE, NULL);
-                                       }
-                                       else if (g_str_has_prefix(mime, "audio"))
-                                       {
-                                               debug_log("found AUDIO decoder\n");
-                                               player->not_supported_codec &= MISSING_PLUGIN_VIDEO;
-                                               player->can_support_codec |= FOUND_PLUGIN_AUDIO;
-                                       }
-                               }
-                               if ( ! __mmplayer_close_link(player, pad, new_element,
-                                           name_template,gst_element_factory_get_static_pad_templates(factory)) )
-                               {
-                                       if (player->keep_detecting_vcodec)
-                                               continue;
+       MMPLAYER_FLEAVE();
 
-                                       /* Link is failed even though a supportable codec is found. */
-                                       __mmplayer_check_not_supported_codec(player, (gchar *)mime);
+       return ret;
+}
 
-                                       MMPLAYER_FREEIF(name_template);
-                                       debug_error("failed to call _close_link\n");
-                                       return FALSE;
-                               }
+gboolean _asm_postmsg(gpointer *data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       MMMessageParamType msg = {0, };
 
-                               MMPLAYER_FREEIF(name_template);
-                               return TRUE;
-                       }
+       MMPLAYER_FENTER();
+       return_val_if_fail ( player, FALSE );
+       debug_warning("get notified");
 
-                       gst_caps_unref(res);
+       if ((player->cmd == MMPLAYER_COMMAND_DESTROY) ||
+               (player->cmd == MMPLAYER_COMMAND_UNREALIZE))
+       {
+               debug_warning("dispatched");
+               return FALSE;
+       }
 
-                       break;
-               }
-       }
 
-       /* There is no any found codec. */
-       __mmplayer_check_not_supported_codec(player,(gchar *)mime);
+       msg.union_type = MM_MSG_UNION_CODE;
+       msg.code = player->sm.event_src;
 
-       debug_error("failed to autoplug\n");
+#if 0 // should remove
+       if (player->sm.event_src == ASM_EVENT_SOURCE_RESUMABLE_CANCELED)
+       {
+               /* fill the message with state of player */
+               msg.state.current = MMPLAYER_CURRENT_STATE(player);
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_STATE_INTERRUPTED, &msg);
+               player->resumable_cancel_id = 0;
+       }
+       else
+#endif
+       {
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_READY_TO_RESUME, &msg);
+               player->resume_event_id = 0;
+       }
 
-       debug_fleave();
-       
+       debug_warning("dispatched");
        return FALSE;
+}
+
+gboolean _asm_lazy_pause(gpointer *data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       int ret = MM_ERROR_NONE;
 
+       MMPLAYER_FENTER();
 
-ERROR:
+       return_val_if_fail ( player, FALSE );
 
-       /* release */
-       if ( queue )
-               gst_object_unref( queue );
+       if (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PLAYING)
+       {
+               debug_log ("Ready to proceed lazy pause\n");
+               ret = _mmplayer_pause((MMHandleType)player);
+               if(MM_ERROR_NONE != ret)
+               {
+                       debug_error("MMPlayer pause failed in ASM callback lazy pause\n");
+               }
+       }
+       else
+       {
+               debug_log ("Invalid state to proceed lazy pause\n");
+       }
 
+       /* unset mute */
+       if (player->pipeline && player->pipeline->audiobin)
+               g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "mute", 0, NULL);
 
-       if ( queue_pad )
-               gst_object_unref( queue_pad );
+       player->sm.by_asm_cb = FALSE; //should be reset here
 
-       if ( element )
-               gst_object_unref ( element );
+       MMPLAYER_FLEAVE();
 
        return FALSE;
 }
 
-
-static
-int __mmplayer_check_not_supported_codec(mm_player_t* player, gchar* mime)
+static gboolean
+__mmplayer_can_do_interrupt(mm_player_t *player)
 {
-       debug_fenter();
-
-       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       return_val_if_fail ( mime, MM_ERROR_INVALID_ARGUMENT );
-
-       debug_log("mimetype to check: %s\n", mime );
-
-       if ( MMPLAYER_IS_RTSP_STREAMING(player) )
-               goto DONE;
-
-       /* add missing plugin */
-       /* NOTE : msl should check missing plugin for image mime type.
-        * Some motion jpeg clips can have playable audio track.
-        * So, msl have to play audio after displaying popup written video format not supported.
-        */
-       if ( !( player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst ) )
+       if (!player || !player->pipeline || !player->attrs)
        {
-               if ( !( player->can_support_codec | player->videodec_linked | player->audiodec_linked ) )
-               {
-                       debug_log("not found demuxer\n");
-                       player->not_found_demuxer = TRUE;
-                       player->unlinked_demuxer_mime = g_strdup_printf ( "%s", mime );
-
-                       goto DONE;
-               }
+               debug_warning("not initialized");
+               goto FAILED;
        }
 
-       if( ( g_str_has_prefix(mime, "video") ) ||( g_str_has_prefix(mime, "image") ) )
+       if ((player->sm.exit_cb) || (player->set_mode.pcm_extraction))
        {
-               debug_log("can support codec=%d, vdec_linked=%d, adec_linked=%d\n",
-                       player->can_support_codec, player->videodec_linked, player->audiodec_linked);
+               debug_warning("leave from asm cb right now, %d, %d", player->sm.exit_cb, player->set_mode.pcm_extraction);
+               goto FAILED;
+       }
 
-               /* check that clip have multi tracks or not */
-               if ( ( player->can_support_codec & FOUND_PLUGIN_VIDEO ) && ( player->videodec_linked ) )
-               {
-                       debug_log("video plugin is already linked\n");
-               }
-               else
-               {
-                       debug_warning("add VIDEO to missing plugin\n");
-                       player->not_supported_codec |= MISSING_PLUGIN_VIDEO;
-               }
+       /* check if seeking */
+       if (player->doing_seek)
+       {
+               MMMessageParamType msg_param;
+               memset (&msg_param, 0, sizeof(MMMessageParamType));
+               msg_param.code = MM_ERROR_PLAYER_SEEK;
+               player->doing_seek = FALSE;
+               MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg_param);
+               goto FAILED;
        }
-       else if ( g_str_has_prefix(mime, "audio") )
+
+       /* check other thread */
+       if (player->cmd_lock)
        {
-               if ( ( player->can_support_codec & FOUND_PLUGIN_AUDIO ) && ( player->audiodec_linked ) )
+               if (!g_mutex_trylock(player->cmd_lock))
                {
-                       debug_log("audio plugin is already linked\n");
+                       debug_warning("locked already, cmd state : %d", player->cmd);
+
+                       /* check application command */
+                       if (player->cmd == MMPLAYER_COMMAND_START || player->cmd == MMPLAYER_COMMAND_RESUME)
+                       {
+                               debug_warning("playing.. should wait cmd lock then, will be interrupted");
+                               g_mutex_lock(player->cmd_lock);
+                               goto INTERRUPT;
+                       }
+                       debug_warning("nothing to do");
+                       goto FAILED;
                }
                else
                {
-                       debug_warning("add AUDIO to missing plugin\n");
-                       player->not_supported_codec |= MISSING_PLUGIN_AUDIO;
+                       debug_warning("can interrupt immediately");
+                       goto INTERRUPT;
                }
        }
 
-DONE:
-       debug_fleave(); 
+FAILED:
+       return FALSE;
 
-       return MM_ERROR_NONE;
+INTERRUPT:
+       return TRUE;
 }
 
-
-static void __mmplayer_pipeline_complete(GstElement *decodebin,  gpointer data) // @
+ASM_cb_result_t
+__mmplayer_asm_callback(int handle, ASM_event_sources_t event_src, ASM_sound_commands_t command, unsigned int sound_status, void* cb_data)
 {
-    mm_player_t* player = (mm_player_t*)data;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*) cb_data;
+       ASM_cb_result_t cb_res = ASM_CB_RES_IGNORE;
+       int result = MM_ERROR_NONE;
+       gboolean lazy_pause = FALSE;
 
-       return_if_fail( player );
+       debug_warning("get notified");
 
-       /* remove fakesink */
-       if ( ! __mmplayer_gst_remove_fakesink( player,
-               &player->pipeline->mainbin[MMPLAYER_M_SRC_FAKESINK]) )
+       if (!__mmplayer_can_do_interrupt(player))
        {
-               /* NOTE : __mmplayer_pipeline_complete() can be called several time. because
-                * signaling mechanism ( pad-added, no-more-pad, new-decoded-pad ) from various
-                * source element are not same. To overcome this situation, this function will called
-                * several places and several times. Therefore, this is not an error case.
-                */
-               return;
-       }
-       debug_log("pipeline has completely constructed\n");
-
-       player->pipeline_is_constructed = TRUE;
-       
-       if ( ( PLAYER_INI()->async_start ) &&
-               ( ! MMPLAYER_IS_RTSP_STREAMING ( player ) ) &&
-               ( player->posted_msg == FALSE ) )
-       {
-               __mmplayer_post_missed_plugin( player );
+               debug_warning("no need to interrupt, so leave");
+               goto EXIT;
        }
-       
-       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-complate" );
-}
 
-static gboolean __mmplayer_configure_audio_callback(mm_player_t* player)
-{
-       debug_fenter();
-
-       return_val_if_fail ( player, FALSE );
+       player->sm.cb_pending = TRUE;
+       debug_warning("asm event src type : %d, command : 0x%x", event_src, command);
 
+       player->sm.by_asm_cb = TRUE;
+       player->sm.event_src = event_src;
 
-       if ( MMPLAYER_IS_STREAMING(player) )
-               return FALSE;
-
-       /* This callback can be set to music player only. */
-       if((player->can_support_codec & 0x02) == FOUND_PLUGIN_VIDEO)
+       /* first, check event source */
+       if(event_src == ASM_EVENT_SOURCE_EARJACK_UNPLUG)
        {
-               debug_warning("audio callback is not supported for video");
-               return FALSE;
+               int stop_by_asm = 0;
+               mm_attrs_get_int_by_name(player->attrs, "sound_stop_when_unplugged", &stop_by_asm);
+               if (!stop_by_asm)
+                       goto DONE;
        }
-
-       if (player->audio_stream_cb)
+       else if (event_src == ASM_EVENT_SOURCE_RESOURCE_CONFLICT)
        {
+               /* can use video overlay simultaneously */
+               /* video resource conflict */
+               if(player->pipeline->videobin)
                {
-                       GstPad *pad = NULL;
+                       if (player->ini.multiple_codec_supported)
+                       {
+                               debug_log("video conflict but, can support multiple video");
+                               result = _mmplayer_pause((MMHandleType)player);
+                               cb_res = ASM_CB_RES_PAUSE;
+                       }
+                       else
+                       {
+                               debug_log("video conflict, can't support multiple video");
+                               result = _mmplayer_unrealize((MMHandleType)player);
+                               cb_res = ASM_CB_RES_STOP;
+                       }
+               }
+               else if (player->pipeline->audiobin)
+               {
+                       debug_log("audio resource conflict");
+                       result = _mmplayer_pause((MMHandleType)player);
+                       if (result != MM_ERROR_NONE)
+                       {
+                               debug_warning("fail to set pause by asm");
+                       }
+                       cb_res = ASM_CB_RES_PAUSE;
+               }
+               goto DONE;
+       }
+#if 0 // should remove
+       else if (event_src == ASM_EVENT_SOURCE_RESUMABLE_CANCELED)
+       {
+               debug_warning("Got msg from asm for resumable canceled.\n");
+               player->sm.antishock = TRUE;
+               player->sm.by_asm_cb = FALSE;
 
-                       pad = gst_element_get_static_pad (player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "sink");
+               player->resumable_cancel_id = g_idle_add((GSourceFunc)_asm_postmsg, (gpointer)player);
+               cb_res = ASM_CB_RES_IGNORE;
+               goto DONE;
+       }
+#endif
+       /* then, check command */
+       switch(command)
+       {
+               case ASM_COMMAND_PLAY:
+                       debug_warning ("Got unexpected asm command (%d)", command);
+                       break;
 
-                       if ( !pad )
+               case ASM_COMMAND_STOP: // notification case
                        {
-                               debug_error("failed to get sink pad from audiosink to probe data\n");
-                               return FALSE;
+                               GstFormat format = GST_FORMAT_TIME;
+                               debug_warning("Got msg from asm to stop");
+
+                               if (!gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &format, &player->last_position)) {
+                                       debug_error("failed to get position");
+                                       player->last_position = 0;
+                               }
+
+                               debug_log ("pos_msec = %"GST_TIME_FORMAT"", GST_TIME_ARGS(player->last_position));
+
+                               result = _mmplayer_stop((MMHandleType)player);
+                               if (result != MM_ERROR_NONE)
+                               {
+                                       debug_warning("fail to set stop state by asm");
+                                       cb_res = ASM_CB_RES_IGNORE;
+                               }
+                               else
+                               {
+                                       cb_res = ASM_CB_RES_STOP;
+                               }
+                               player->sm.by_asm_cb = FALSE; // reset because no message any more from asm
+                               player->sm.keep_last_pos = TRUE;
                        }
+                       break;
 
-                       player->audio_cb_probe_id = gst_pad_add_buffer_probe (pad,
-                               G_CALLBACK (__mmplayer_audio_stream_probe), player);
+               case ASM_COMMAND_PAUSE:
+                       {
+                               debug_warning("Got msg from asm to Pause");
+                               if(event_src == ASM_EVENT_SOURCE_CALL_START ||
+                                       event_src == ASM_EVENT_SOURCE_NOTIFY_START ||
+                                       event_src == ASM_EVENT_SOURCE_ALARM_START)
+                               {
+                                       if(__mmplayer_ignore_current_external_display_mode(player) == MM_ERROR_NONE)
+                                               debug_log("screen will not display to external display");
+                               }
+                               if(event_src == ASM_EVENT_SOURCE_CALL_START ||
+                                       event_src == ASM_EVENT_SOURCE_ALARM_START ||
+                                       event_src == ASM_EVENT_SOURCE_MEDIA)
+                               {
+                                       if ( ! MMPLAYER_IS_RTSP_STREAMING(player) ) {
+                                               //hold 0.7 second to excute "fadedown mute" effect
+                                               debug_warning ("do fade down->pause->undo fade down");
 
-                       gst_object_unref (pad);
+                                               __mmplayer_do_sound_fadedown(player, MM_PLAYER_FADEOUT_TIME_DEFAULT);
 
-                       pad = NULL;
-              }
+                                               result = _mmplayer_pause((MMHandleType)player);
+                                               if (result != MM_ERROR_NONE)
+                                               {
+                                                       debug_warning("fail to set Pause state by asm");
+                                                       cb_res = ASM_CB_RES_IGNORE;
+                                                       break;
+                                               }
+                                               __mmplayer_undo_sound_fadedown(player);
+                                       } else {
+                                               /* rtsp should connect again in specific network becasue tcp session can't be kept any more */
+                                               _mmplayer_unrealize((MMHandleType)player);
+                                       }
+                               }
+#ifdef USE_LAZY_PAUSE // if enabled, should consider event id and context when removed
+                               else if(event_src == ASM_EVENT_SOURCE_OTHER_PLAYER_APP)
+                               {
+                                       lazy_pause = TRUE; // return as soon as possible, for fast start of other app
+
+                                       if ( player->pipeline->audiobin && player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
+                                               g_object_set( player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "mute", 2, NULL);
+
+                                       player->lazy_pause_event_id = g_timeout_add(LAZY_PAUSE_TIMEOUT_MSEC, (GSourceFunc)_asm_lazy_pause, (gpointer)player);
+                                       debug_warning ("set lazy pause timer (id=[%d], timeout=[%d ms])", player->lazy_pause_event_id, LAZY_PAUSE_TIMEOUT_MSEC);
+                               }
+#endif
+                               else
+                               {
+                                       debug_warning ("pause immediately");
+                                       result = _mmplayer_pause((MMHandleType)player);
+                               }
+                               cb_res = ASM_CB_RES_PAUSE;
+                       }
+                       break;
+
+               case ASM_COMMAND_RESUME:
+                       {
+                               debug_warning("Got msg from asm to Resume. So, application can resume. code (%d) \n", event_src);
+                               player->sm.antishock = TRUE;
+                               player->sm.by_asm_cb = FALSE;
+
+                               //ASM server is single thread daemon. So use g_idle_add() to post resume msg
+                               player->resume_event_id = g_idle_add((GSourceFunc)_asm_postmsg, (gpointer)player);
+                               cb_res = ASM_CB_RES_IGNORE;
+                               goto DONE;
+                       }
+                       break;
+
+               default:
+                       break;
        }
-       else
+
+DONE:
+       if ( !lazy_pause )
        {
-               debug_error("There is no audio callback to configure.\n");
-               return FALSE;
+               player->sm.by_asm_cb = FALSE;
        }
+       player->sm.cb_pending = FALSE;
+       MMPLAYER_CMD_UNLOCK( player );
 
-       debug_fleave(); 
-
-       return TRUE;
+EXIT:
+       debug_warning("dispatched");
+       return cb_res;
 }
 
-static void
-__mmplayer_init_factories(mm_player_t* player) // @
+int
+_mmplayer_create_player(MMHandleType handle) // @
 {
-       debug_fenter();
+       mm_player_t* player = MM_PLAYER_CAST(handle);
 
-       return_if_fail ( player );
+       MMPLAYER_FENTER();
 
-       player->factories = gst_registry_feature_filter(gst_registry_get_default(),
-                                        (GstPluginFeatureFilter)__mmplayer_feature_filter, FALSE, NULL);
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       player->factories = g_list_sort(player->factories, (GCompareFunc)util_factory_rank_compare);
+       /* initialize player state */
+       MMPLAYER_CURRENT_STATE(player) = MM_PLAYER_STATE_NONE;
+       MMPLAYER_PREV_STATE(player) = MM_PLAYER_STATE_NONE;
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_NONE;
+       MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_NONE;
 
-       debug_fleave(); 
-}
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL ( player, MMPLAYER_COMMAND_CREATE );
 
-static void
-__mmplayer_release_factories(mm_player_t* player) // @
-{
-       debug_fenter();
+       /* construct attributes */
+       player->attrs = _mmplayer_construct_attribute(handle);
 
-       return_if_fail ( player );
+       if ( !player->attrs )
+       {
+               debug_error("Failed to construct attributes\n");
+               goto ERROR;
+       }
 
-       if (player->factories)
+       /* initialize gstreamer with configured parameter */
+       if ( ! __mmplayer_init_gstreamer(player) )
        {
-               gst_plugin_feature_list_free (player->factories);
-               player->factories = NULL;
+               debug_error("Initializing gstreamer failed\n");
+               goto ERROR;
        }
 
-       debug_fleave();
-}
+       /* initialize factories if not using decodebin */
+       if( player->factories == NULL )
+           __mmplayer_init_factories(player);
 
-static void
-__mmplayer_release_misc(mm_player_t* player)
-{
-       debug_fenter();
+       /* create lock. note that g_tread_init() has already called in gst_init() */
+       player->fsink_lock = g_mutex_new();
+       if ( ! player->fsink_lock )
+       {
+               debug_error("Cannot create mutex for command lock\n");
+               goto ERROR;
+       }
 
-       return_if_fail ( player );
+       /* create repeat mutex */
+       player->repeat_thread_mutex = g_mutex_new();
+       if ( ! player->repeat_thread_mutex )
+       {
+               debug_error("Cannot create repeat mutex\n");
+               goto ERROR;
+       }
 
-       /* free memory related to sound effect */
-       if(player->audio_filter_info.custom_ext_level_for_plugin)
+       /* create repeat cond */
+       player->repeat_thread_cond = g_cond_new();
+       if ( ! player->repeat_thread_cond )
        {
-               free(player->audio_filter_info.custom_ext_level_for_plugin);
+               debug_error("Cannot create repeat cond\n");
+               goto ERROR;
        }
 
-       debug_fleave();
-}
+       /* create repeat thread */
+       player->repeat_thread =
+               g_thread_create (__mmplayer_repeat_thread, (gpointer)player, TRUE, NULL);
+       if ( ! player->repeat_thread )
+       {
+               debug_error("failed to create repeat thread");
+               goto ERROR;
+       }
 
-static GstElement *__mmplayer_element_create_and_link(mm_player_t *player, GstPad* pad, const char* name)
-{
-       GstElement *element = NULL;
-       GstPad *sinkpad;
+       /* create next play mutex */
+       player->next_play_thread_mutex = g_mutex_new();
+       if ( ! player->next_play_thread_mutex )
+       {
+               debug_error("Cannot create next_play mutex\n");
+               goto ERROR;
+       }
 
-       debug_log("creating %s to plug\n", name);
-       
-       element = gst_element_factory_make(name, NULL);
-       if ( ! element )
+       /* create next play cond */
+       player->next_play_thread_cond = g_cond_new();
+       if ( ! player->next_play_thread_cond )
        {
-               debug_error("failed to create queue\n");
-               return NULL;
+               debug_error("Cannot create next_play cond\n");
+               goto ERROR;
        }
 
-       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(element, GST_STATE_READY) )
+       /* create next play thread */
+       player->next_play_thread =
+               g_thread_create (__mmplayer_next_play_thread, (gpointer)player, TRUE, NULL);
+       if ( ! player->next_play_thread )
        {
-               debug_error("failed to set state READY to %s\n", name);
-               return NULL;
+               debug_error("failed to create next play thread");
+               goto ERROR;
        }
 
-       if ( ! gst_bin_add(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, element) )
+       if ( MM_ERROR_NONE != _mmplayer_initialize_video_capture(player))
        {
-               debug_error("failed to add %s\n", name);
-               return NULL;
+               debug_error("failed to initialize video capture\n");
+               goto ERROR;
        }
 
-       sinkpad = gst_element_get_static_pad(element, "sink");
+       /* register to asm */
+       if ( MM_ERROR_NONE != _mmplayer_asm_register(&player->sm, (ASM_sound_cb_t)__mmplayer_asm_callback, (void*)player) )
+       {
+               /* NOTE : we are dealing it as an error since we cannot expect it's behavior */
+               debug_error("failed to register asm server\n");
+               return MM_ERROR_POLICY_INTERNAL;
+       }
 
-       if ( GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad) )
+       /* to add active device callback */
+       if ( MM_ERROR_NONE != mm_sound_add_device_information_changed_callback(MM_SOUND_DEVICE_STATE_ACTIVATED_FLAG, __mmplayer_sound_device_info_changed_cb_func, (void*)player))
        {
-               debug_error("failed to link %s\n", name);
-               gst_object_unref (sinkpad);
-               
-               return NULL;
+               debug_error("failed mm_sound_add_device_information_changed_callback \n");
        }
 
-       debug_log("linked %s to pipeline successfully\n", name);
+       if (MMPLAYER_IS_HTTP_PD(player))
+       {
+               player->pd_downloader = NULL;
+               player->pd_file_save_path = NULL;
+       }
 
-       gst_object_unref (sinkpad);
+       player->streaming_type = STREAMING_SERVICE_NONE;
 
-       return element; 
-}
+       /* give default value of audio effect setting */
+       player->sound.volume = MM_VOLUME_FACTOR_DEFAULT;
+       player->playback_rate = DEFAULT_PLAYBACK_RATE;
 
-static gboolean
-__mmplayer_close_link(mm_player_t* player, GstPad *srcpad, GstElement *sinkelement,
-const char *padname, const GList *templlist)
-{
-       GstPad *pad = NULL;
-       gboolean has_dynamic_pads = FALSE;
-       gboolean has_many_types = FALSE;        
-       const char *klass = NULL;
-       GstStaticPadTemplate *padtemplate = NULL;
-       GstElementFactory *factory = NULL;
-       GstElement* queue = NULL;
-       GstElement* parser = NULL;      
-       GstPad *pssrcpad = NULL;
-       GstPad *qsrcpad = NULL, *qsinkpad = NULL;
-       MMPlayerGstElement *mainbin = NULL;
-       GstStructure* str = NULL;
-       GstCaps* srccaps = NULL;
-       GstState warmup = GST_STATE_READY;
-       gboolean isvideo_decoder = FALSE;
-       guint q_max_size_time = 0;
+       player->play_subtitle = FALSE;
+       player->use_textoverlay = FALSE;
+       player->play_count = 0;
+       player->use_decodebin = TRUE;
+       player->ignore_asyncdone = FALSE;
+       player->use_deinterleave = FALSE;
+       player->pp_rebuilding = FALSE;
+       player->max_audio_channels = 0;
+       player->video_share_api_delta = 0;
+       player->video_share_clock_delta = 0;
+       player->has_closed_caption = FALSE;
 
-       debug_fenter();
+       __mmplayer_post_proc_reset(player);
 
-       return_val_if_fail ( player && 
-               player->pipeline && 
-               player->pipeline->mainbin, 
-               FALSE );
+       if (player->ini.dump_element_keyword[0][0] == '\0')
+       {
+               player->ini.set_dump_element_flag= FALSE;
+       }
+       else
+       {
+               player->ini.set_dump_element_flag = TRUE;
+       }
 
-       mainbin = player->pipeline->mainbin;
+       /* set player state to null */
+       MMPLAYER_STATE_CHANGE_TIMEOUT(player) = player->ini.localplayback_state_change_timeout;
+       MMPLAYER_SET_STATE ( player, MM_PLAYER_STATE_NULL );
 
-       debug_log("plugging pad %s:%s to newly create %s:%s\n",
-                                       GST_ELEMENT_NAME( GST_PAD_PARENT ( srcpad ) ),
-                       GST_PAD_NAME( srcpad ),
-                       GST_ELEMENT_NAME( sinkelement ),
-                       padname);
+       return MM_ERROR_NONE;
 
+ERROR:
+       /* free lock */
+       if ( player->fsink_lock )
+               g_mutex_free( player->fsink_lock );
+       player->fsink_lock = NULL;
 
-       factory = gst_element_get_factory(sinkelement);
-       klass = gst_element_factory_get_klass(factory);
+       /* free thread */
+       if ( player->repeat_thread_cond &&
+                player->repeat_thread_mutex &&
+                player->repeat_thread )
+       {
+               player->repeat_thread_exit = TRUE;
+               g_cond_signal( player->repeat_thread_cond );
 
-       /* check if player can do start continually */
-       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+               g_thread_join( player->repeat_thread );
+               player->repeat_thread = NULL;
 
-       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(sinkelement, warmup) )
-       {
-               if (isvideo_decoder)
-                       player->keep_detecting_vcodec = TRUE;
+               g_mutex_free ( player->repeat_thread_mutex );
+               player->repeat_thread_mutex = NULL;
 
-               debug_error("failed to set %d state to %s\n", warmup, GST_ELEMENT_NAME( sinkelement ));
-               goto ERROR;
+               g_cond_free ( player->repeat_thread_cond );
+               player->repeat_thread_cond = NULL;
        }
+       /* clear repeat thread mutex/cond if still alive
+        * this can happen if only thread creating has failed
+        */
+       if ( player->repeat_thread_mutex )
+               g_mutex_free ( player->repeat_thread_mutex );
 
-       /* add to pipeline */
-       if ( ! gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), sinkelement) )
+       if ( player->repeat_thread_cond )
+               g_cond_free ( player->repeat_thread_cond );
+
+       /* free next play thread */
+       if ( player->next_play_thread_cond &&
+                player->next_play_thread_mutex &&
+                player->next_play_thread )
        {
-               debug_error("failed to add %s to mainbin\n", GST_ELEMENT_NAME( sinkelement ));
-               goto ERROR;
-       }
+               player->next_play_thread_exit = TRUE;
+               g_cond_signal( player->next_play_thread_cond );
 
-       debug_log("element klass : %s\n", klass);
+               g_thread_join( player->next_play_thread );
+               player->next_play_thread = NULL;
 
-       /* added to support multi track files */
-       /* only decoder case and any of the video/audio still need to link*/
-       if(g_strrstr(klass, "Decoder") && __mmplayer_link_decoder(player,srcpad))
-       {
-               gchar *name = NULL;
+               g_mutex_free ( player->next_play_thread_mutex );
+               player->next_play_thread_mutex = NULL;
 
-               name = g_strdup(GST_ELEMENT_NAME( GST_PAD_PARENT ( srcpad )));
-               
-               if (g_strrstr(name, "mpegtsdemux"))
-               {
-                       gchar *demux_caps = NULL;
-                       gchar *parser_name = NULL;
-                       GstCaps *dcaps = NULL;
+               g_cond_free ( player->next_play_thread_cond );
+               player->next_play_thread_cond = NULL;
+       }
+       /* clear next play thread mutex/cond if still alive
+        * this can happen if only thread creating has failed
+        */
+       if ( player->next_play_thread_mutex )
+               g_mutex_free ( player->next_play_thread_mutex );
 
-                       dcaps = gst_pad_get_caps(srcpad);
-                       demux_caps = gst_caps_to_string(dcaps);
-                       
-                       if (g_strrstr(demux_caps, "video/x-h264"))
-                       {
-                               parser_name = g_strdup("h264parse");
-                       }
-                       else if (g_strrstr(demux_caps, "video/mpeg"))
-                       {
-                               parser_name = g_strdup("mpeg4videoparse");
-                       }
-                       
-                       gst_caps_unref(dcaps);
-                       MMPLAYER_FREEIF( demux_caps );
+       if ( player->next_play_thread_cond )
+               g_cond_free ( player->next_play_thread_cond );
 
-                       if (parser_name)
-                       {
-                               parser = __mmplayer_element_create_and_link(player, srcpad, parser_name);
+       /* release attributes */
+       _mmplayer_deconstruct_attribute(handle);
 
-                               MMPLAYER_FREEIF(parser_name);
-                               
-                               if ( ! parser )
-                               {
-                                       debug_error("failed to create parser\n");
-                               }
-                               else
-                               {
-                                       /* update srcpad if parser is created */
-                                       pssrcpad = gst_element_get_static_pad(parser, "src");
-                                       srcpad = pssrcpad;
-                               }
-                       }
-               }
-               MMPLAYER_FREEIF(name);
+       MMPLAYER_FLEAVE();
 
-               queue = __mmplayer_element_create_and_link(player, srcpad, "queue"); // parser - queue or demuxer - queue
-               if ( ! queue )
-               {
-                       debug_error("failed to create queue\n");
-                       goto ERROR;
-               }
+       return MM_ERROR_PLAYER_INTERNAL;
+}
 
-               /* update srcpad to link with decoder */
-               qsrcpad = gst_element_get_static_pad(queue, "src");
-               srcpad = qsrcpad;
+static gboolean
+__mmplayer_init_gstreamer(mm_player_t* player) // @
+{
+       static gboolean initialized = FALSE;
+       static const int max_argc = 50;
+       gint* argc = NULL;
+       gchar** argv = NULL;
+       gchar** argv2 = NULL;
+       GError *err = NULL;
+       int i = 0;
+       int arg_count = 0;
 
-               if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-                       q_max_size_time = GST_QUEUE_HLS_TIME;
-               else
-                       q_max_size_time = GST_QUEUE_DEFAULT_TIME;
+       if ( initialized )
+       {
+               debug_log("gstreamer already initialized.\n");
+               return TRUE;
+       }
 
-               /* assigning queue handle for futher manipulation purpose */
-               /* FIXIT : make it some kind of list so that msl can support more then two stream (text, data, etc...) */
-               if(mainbin[MMPLAYER_M_Q1].gst == NULL)
-               {
-                       mainbin[MMPLAYER_M_Q1].id = MMPLAYER_M_Q1;
-                       mainbin[MMPLAYER_M_Q1].gst = queue;
+       /* alloc */
+       argc = malloc( sizeof(int) );
+       argv = malloc( sizeof(gchar*) * max_argc );
+       argv2 = malloc( sizeof(gchar*) * max_argc );
 
-                       g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q1].gst), "max-size-time", q_max_size_time * GST_SECOND, NULL);
-               }
-               else if(mainbin[MMPLAYER_M_Q2].gst == NULL)
-               {
-                       mainbin[MMPLAYER_M_Q2].id = MMPLAYER_M_Q2;
-                       mainbin[MMPLAYER_M_Q2].gst = queue;
+       if ( !argc || !argv || !argv2)
+               goto ERROR;
 
-                       g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q2].gst), "max-size-time", q_max_size_time * GST_SECOND, NULL);
-               }
-               else
-               {
-                       debug_critical("Not supporting more then two elementary stream\n");
-                       g_assert(1);
-               }
+       memset( argv, 0, sizeof(gchar*) * max_argc );
+       memset( argv2, 0, sizeof(gchar*) * max_argc );
 
-               pad = gst_element_get_static_pad(sinkelement, padname);
+       /* add initial */
+       *argc = 1;
+       argv[0] = g_strdup( "mmplayer" );
 
-               if ( ! pad )
+       /* add gst_param */
+       for ( i = 0; i < 5; i++ ) /* FIXIT : num of param is now fixed to 5. make it dynamic */
+       {
+               if ( strlen( player->ini.gst_param[i] ) > 0 )
                {
-                       debug_warning("failed to get pad(%s) from %s. retrying with [sink]\n",
-                               padname, GST_ELEMENT_NAME(sinkelement) );
-
-                       pad = gst_element_get_static_pad(sinkelement, "sink");
-                       if ( ! pad )
-                       {
-                               debug_error("failed to get pad(sink) from %s. \n",
-                               GST_ELEMENT_NAME(sinkelement) );
-                               goto ERROR;
-                       }
+                       argv[*argc] = g_strdup( player->ini.gst_param[i] );
+                       (*argc)++;
                }
+       }
 
-               /*  to check the video/audio type set the proper flag*/
-               {
-                       srccaps = gst_pad_get_caps( srcpad );
-                       if ( !srccaps )
-                               goto ERROR;
+       /* we would not do fork for scanning plugins */
+       argv[*argc] = g_strdup("--gst-disable-registry-fork");
+       (*argc)++;
 
-                       str = gst_caps_get_structure( srccaps, 0 );
-                       if ( ! str )
-                               goto ERROR;
+       /* check disable registry scan */
+       if ( player->ini.skip_rescan )
+       {
+               argv[*argc] = g_strdup("--gst-disable-registry-update");
+               (*argc)++;
+       }
 
-                       name = gst_structure_get_name(str);
-                       if ( ! name )
-                               goto ERROR;
-               }
+       /* check disable segtrap */
+       if ( player->ini.disable_segtrap )
+       {
+               argv[*argc] = g_strdup("--gst-disable-segtrap");
+               (*argc)++;
+       }
 
-               /* link queue and decoder. so, it will be queue - decoder. */
-               if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, pad) )
-               {
-                       gst_object_unref(GST_OBJECT(pad));
-                       debug_error("failed to link (%s) to pad(%s)\n", GST_ELEMENT_NAME( sinkelement ), padname );
+       debug_log("initializing gstreamer with following parameter\n");
+       debug_log("argc : %d\n", *argc);
+       arg_count = *argc;
 
-                       /* reconstitute supportable codec */
-                       {
-                               if (strstr(name, "video"))
-                               {
-                                       player->can_support_codec ^= FOUND_PLUGIN_VIDEO;
-                               }
+       for ( i = 0; i < arg_count; i++ )
+       {
+               argv2[i] = argv[i];
+               debug_log("argv[%d] : %s\n", i, argv2[i]);
+       }
 
-                               if (strstr(name, "audio"))
-                               {
-                                       player->can_support_codec ^= FOUND_PLUGIN_AUDIO;
-                               }
-                       }
-                       goto ERROR;
+
+       /* initializing gstreamer */
+       if ( ! gst_init_check (argc, &argv, &err))
+       {
+               debug_error("Could not initialize GStreamer: %s\n", err ? err->message : "unknown error occurred");
+               if (err)
+               {
+                       g_error_free (err);
                }
 
-               gst_object_unref(GST_OBJECT(pad));
+               goto ERROR;
+       }
+       /* release */
+       for ( i = 0; i < arg_count; i++ )
+       {
+               //debug_log("release - argv[%d] : %s\n", i, argv2[i]);
+               MMPLAYER_FREEIF( argv2[i] );
+       }
 
-               {
-                       if (strstr(name, "video"))
-                       {
-                               player->videodec_linked = 1;
-                               debug_msg("player->videodec_linked set to 1\n");
+       MMPLAYER_FREEIF( argv );
+       MMPLAYER_FREEIF( argv2 );
+       MMPLAYER_FREEIF( argc );
 
-                       }
-                       if (strstr(name, "audio"))
-                       {
-                               player->audiodec_linked = 1;
-                               debug_msg("player->auddiodec_linked set to 1\n");
-                       }
+       /* done */
+       initialized = TRUE;
 
-                       gst_caps_unref(GST_CAPS(srccaps));
-                       srccaps = NULL;
-               }
-       }
+       return TRUE;
 
-       if ( !MMPLAYER_IS_HTTP_PD(player) )
+ERROR:
+
+       /* release */
+       for ( i = 0; i < arg_count; i++ )
        {
-               if( (g_strrstr(klass, "Demux") && !g_strrstr(klass, "Metadata")) || (g_strrstr(klass, "Parser") ) )
-               {
-                       if (MMPLAYER_IS_HTTP_STREAMING(player) || MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-                       {
-                               GstFormat fmt  = GST_FORMAT_BYTES;
-                               gint64 dur_bytes = 0L;
-                               gchar *file_buffering_path = NULL;
-                               gboolean use_file_buffer = FALSE;
+               debug_log("free[%d] : %s\n", i, argv2[i]);
+               MMPLAYER_FREEIF( argv2[i] );
+       }
 
-                               if ( !mainbin[MMPLAYER_M_S_BUFFER].gst)
-                               {
-                                       debug_log("creating http streaming buffering queue\n");
+       MMPLAYER_FREEIF( argv );
+       MMPLAYER_FREEIF( argv2 );
+       MMPLAYER_FREEIF( argc );
 
-                                       queue = gst_element_factory_make("queue2", "http_streaming_buffer");
-                                       if ( ! queue )
-                                       {
-                                               debug_critical ( "failed to create buffering queue element\n" );
-                                               goto ERROR;
-                                       }
+       return FALSE;
+}
 
-                                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_READY) )
-                                       {
-                                               debug_error("failed to set state READY to buffering queue\n");
-                                               goto ERROR;
-                                       }
+int
+__mmplayer_destroy_streaming_ext(mm_player_t* player)
+{
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-                                       if ( !gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue) )
-                                       {
-                                               debug_error("failed to add buffering queue\n");
-                                               goto ERROR;
-                                       }
+       if (player->pd_downloader)
+       {
+               _mmplayer_unrealize_pd_downloader((MMHandleType)player);
+               MMPLAYER_FREEIF(player->pd_downloader);
+       }
 
-                                       qsinkpad = gst_element_get_static_pad(queue, "sink");
-                                       qsrcpad = gst_element_get_static_pad(queue, "src");
+       if (MMPLAYER_IS_HTTP_PD(player))
+       {
+               _mmplayer_destroy_pd_downloader((MMHandleType)player);
+               MMPLAYER_FREEIF(player->pd_file_save_path);
+       }
 
-                                       if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, qsinkpad) )
-                                       {
-                                               debug_error("failed to link buffering queue\n");
-                                               goto ERROR;
-                                       }
-                                       srcpad = qsrcpad;
+       return MM_ERROR_NONE;
+}
 
+int
+_mmplayer_destroy(MMHandleType handle) // @
+{
+       mm_player_t* player = MM_PLAYER_CAST(handle);
 
-                                       mainbin[MMPLAYER_M_S_BUFFER].id = MMPLAYER_M_S_BUFFER;
-                                       mainbin[MMPLAYER_M_S_BUFFER].gst = queue;
+       MMPLAYER_FENTER();
 
-                                       if ( !MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
-                                        {
-                                               if ( !gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, &fmt, &dur_bytes))
-                                                       debug_error("fail to get duration.\n");
+       /* check player handle */
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-                                               if (dur_bytes>0)
-                                               {
-                                                       use_file_buffer = MMPLAYER_USE_FILE_FOR_BUFFERING(player);
-                                                       file_buffering_path = g_strdup(PLAYER_INI()->http_file_buffer_path);
-                                               }
-                                       }
+       /* destroy can called at anytime */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL ( player, MMPLAYER_COMMAND_DESTROY );
 
-                                       __mm_player_streaming_set_buffer(player->streamer,
-                                               queue,
-                                               TRUE,
-                                               PLAYER_INI()->http_max_size_bytes,
-                                               1.0,
-                                               PLAYER_INI()->http_buffering_limit,
-                                               PLAYER_INI()->http_buffering_time,
-                                               use_file_buffer,
-                                               file_buffering_path,
-                                               dur_bytes);
+       __mmplayer_destroy_streaming_ext(player);
 
-                                       MMPLAYER_FREEIF(file_buffering_path);
-                               }
-                       }
-               }
+       /* release repeat thread */
+       if ( player->repeat_thread_cond &&
+                player->repeat_thread_mutex &&
+                player->repeat_thread )
+       {
+               player->repeat_thread_exit = TRUE;
+               g_cond_signal( player->repeat_thread_cond );
+
+               debug_log("waitting for repeat thread exit\n");
+               g_thread_join ( player->repeat_thread );
+               g_mutex_free ( player->repeat_thread_mutex );
+               g_cond_free ( player->repeat_thread_cond );
+               debug_log("repeat thread released\n");
        }
-       /* if it is not decoder or */
-       /* in decoder case any of the video/audio still need to link*/
-       if(!g_strrstr(klass, "Decoder"))
+
+       /* release next play thread */
+       if ( player->next_play_thread_cond &&
+                player->next_play_thread_mutex &&
+                player->next_play_thread )
        {
+               player->next_play_thread_exit = TRUE;
+               g_cond_signal( player->next_play_thread_cond );
 
-               pad = gst_element_get_static_pad(sinkelement, padname);
-               if ( ! pad )
-               {
-                       debug_warning("failed to get pad(%s) from %s. retrying with [sink]\n",
-                                       padname, GST_ELEMENT_NAME(sinkelement) );
+               debug_log("waitting for next play thread exit\n");
+               g_thread_join ( player->next_play_thread );
+               g_mutex_free ( player->next_play_thread_mutex );
+               g_cond_free ( player->next_play_thread_cond );
+               debug_log("next play thread released\n");
+       }
 
-                       pad = gst_element_get_static_pad(sinkelement, "sink");
+       _mmplayer_release_video_capture(player);
 
-                       if ( ! pad )
-                       {
-                               debug_error("failed to get pad(sink) from %s. \n",
-                                       GST_ELEMENT_NAME(sinkelement) );
-                               goto ERROR;
-                       }
-               }
+       /* flush any pending asm_cb */
+       if (player->sm.cb_pending)
+       {
+               /* set a flag for make sure asm_cb to be returned immediately */
+               debug_warning("asm cb has pending state");
+               player->sm.exit_cb = TRUE;
 
-               if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, pad) )
-               {
-                       gst_object_unref(GST_OBJECT(pad));
-                       debug_error("failed to link (%s) to pad(%s)\n", GST_ELEMENT_NAME( sinkelement ), padname );
-                       goto ERROR;
-               }
+               /* make sure to release any pending asm_cb which locked by cmd_lock */
+               MMPLAYER_CMD_UNLOCK(player);
+               sched_yield();
+               MMPLAYER_CMD_LOCK(player);
+       }
 
-               gst_object_unref(GST_OBJECT(pad));
+       /* withdraw asm */
+       if ( MM_ERROR_NONE != _mmplayer_asm_unregister(&player->sm) )
+       {
+               debug_error("failed to deregister asm server\n");
        }
 
-       for(;templlist != NULL; templlist = templlist->next)
+#ifdef USE_LAZY_PAUSE
+       if (player->lazy_pause_event_id)
        {
-               padtemplate = templlist->data;
+               __mmplayer_remove_g_source_from_context(player->context.global_default, player->lazy_pause_event_id);
+               player->lazy_pause_event_id = 0;
+       }
+#endif
 
-               debug_log ("director = [%d], presence = [%d]\n", padtemplate->direction, padtemplate->presence);
+       if (player->resume_event_id)
+       {
+               g_source_remove (player->resume_event_id);
+               player->resume_event_id = 0;
+       }
 
-               if(     padtemplate->direction != GST_PAD_SRC ||
-                       padtemplate->presence == GST_PAD_REQUEST        )
-                       continue;
+       if (player->resumable_cancel_id)
+       {
+               g_source_remove (player->resumable_cancel_id);
+               player->resumable_cancel_id = 0;
+       }
 
-               switch(padtemplate->presence)
-               {
-                       case GST_PAD_ALWAYS:
-                       {
-                               GstPad *srcpad = gst_element_get_static_pad(sinkelement, "src");
-                               GstCaps *caps = gst_pad_get_caps(srcpad);
+       /* release pipeline */
+       if ( MM_ERROR_NONE != __mmplayer_gst_destroy_pipeline( player ) )
+       {
+               debug_error("failed to destory pipeline\n");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-                               /* Check whether caps has many types */
-                               if ( gst_caps_get_size (caps) > 1 && g_strrstr(klass, "Parser")) {
-                                       debug_log ("has_many_types for this caps [%s]\n", gst_caps_to_string(caps));
-                                       has_many_types = TRUE;
-                                       break;
-                               }
+       if (player->is_external_subtitle_present && player->subtitle_language_list)
+       {
+         g_list_free (player->subtitle_language_list);
+         player->subtitle_language_list = NULL;
+       }
 
-                               if ( ! __mmplayer_try_to_plug(player, srcpad, caps) )
-                               {
-                                       gst_object_unref(GST_OBJECT(srcpad));
-                                       gst_caps_unref(GST_CAPS(caps));
+       __mmplayer_release_dump_list (player->dump_list);
 
-                                       debug_error("failed to plug something after %s\n", GST_ELEMENT_NAME( sinkelement ));
-                                       goto ERROR;
-                               }
+       /* release miscellaneous information.
+          these info needs to be released after pipeline is destroyed. */
+       __mmplayer_release_misc_post( player );
 
-                               gst_caps_unref(GST_CAPS(caps));
-                               gst_object_unref(GST_OBJECT(srcpad));
+       /* release attributes */
+       _mmplayer_deconstruct_attribute( handle );
 
-                       }
-                       break;
+       /* release factories */
+       __mmplayer_release_factories( player );
 
+       /* release lock */
+       if ( player->fsink_lock )
+               g_mutex_free( player->fsink_lock );
 
-                       case GST_PAD_SOMETIMES:
-                               has_dynamic_pads = TRUE;
-                       break;
+       if ( player->msg_cb_lock )
+               g_mutex_free( player->msg_cb_lock );
 
-                       default:
-                               break;
-               }
-       }
+       MMPLAYER_FLEAVE();
 
-       /* check if player can do start continually */
-       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+       return MM_ERROR_NONE;
+}
 
-       if( has_dynamic_pads )
+int
+__mmplayer_realize_streaming_ext(mm_player_t* player)
+{
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       if (MMPLAYER_IS_HTTP_PD(player))
        {
-               player->have_dynamic_pad = TRUE;
-               MMPLAYER_SIGNAL_CONNECT ( player, sinkelement, "pad-added",
-                       G_CALLBACK(__mmplayer_add_new_pad), player);
+               gboolean bret = FALSE;
 
-               /* for streaming, more then one typefind will used for each elementary stream
-                * so this doesn't mean the whole pipeline completion
-                */
-               if ( ! MMPLAYER_IS_RTSP_STREAMING( player ) )
+               player->pd_downloader = _mmplayer_create_pd_downloader();
+               if ( !player->pd_downloader )
                {
-                       MMPLAYER_SIGNAL_CONNECT( player, sinkelement, "no-more-pads",
-                               G_CALLBACK(__mmplayer_pipeline_complete), player);
+                       debug_error ("Unable to create PD Downloader...");
+                       ret = MM_ERROR_PLAYER_NO_FREE_SPACE;
                }
-       }
 
-       if (has_many_types)
-       {
-               GstPad *pad = NULL;
+               bret = _mmplayer_realize_pd_downloader((MMHandleType)player, player->profile.uri, player->pd_file_save_path, player->pipeline->mainbin[MMPLAYER_M_SRC].gst);
 
-               player->has_many_types = has_many_types;
-               
-               pad = gst_element_get_static_pad(sinkelement, "src");
-               MMPLAYER_SIGNAL_CONNECT (player, pad, "notify::caps", G_CALLBACK(__mmplayer_add_new_caps), player);
-               gst_object_unref (GST_OBJECT(pad));
+               if (FALSE == bret)
+               {
+                       debug_error ("Unable to create PD Downloader...");
+                       ret = MM_ERROR_PLAYER_NOT_INITIALIZED;
+               }
        }
 
+       MMPLAYER_FLEAVE();
+       return ret;
+}
 
-       /* check if player can do start continually */
-       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+int
+_mmplayer_realize(MMHandleType hplayer) // @
+{
+       mm_player_t* player =  (mm_player_t*)hplayer;
+       char *uri =NULL;
+       void *param = NULL;
+       int application_pid = -1;
+       gboolean update_registry = FALSE;
+       MMHandleType attrs = 0;
+       int ret = MM_ERROR_NONE;
 
-       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(sinkelement, GST_STATE_PAUSED) )
+       MMPLAYER_FENTER();
+
+       /* check player handle */
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED )
+
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_REALIZE );
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
        {
-               debug_error("failed to set state PAUSED to %s\n", GST_ELEMENT_NAME( sinkelement ));
-               goto ERROR;
+               debug_error("fail to get attributes.\n");
+               return MM_ERROR_PLAYER_INTERNAL;
        }
 
-       if ( queue )
-       {
-               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (queue, GST_STATE_PAUSED) )
-               {
-                       debug_error("failed to set state PAUSED to queue\n");
-                       goto ERROR;
-               }
+       mm_attrs_get_int_by_name(attrs, "sound_application_pid", &application_pid );
+       player->sm.pid = application_pid;
 
-               queue = NULL;
+       mm_attrs_get_string_by_name(attrs, "profile_uri", &uri);
+       mm_attrs_get_data_by_name(attrs, "profile_user_param", &param);
 
-               gst_object_unref (GST_OBJECT(qsrcpad));
-               qsrcpad = NULL;
-       }
+       ret = __mmfplayer_parse_profile((const char*)uri, param, &player->profile);
 
-       if ( parser )
+       if (ret != MM_ERROR_NONE)
        {
-               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (parser, GST_STATE_PAUSED) )
-               {
-                       debug_error("failed to set state PAUSED to queue\n");
-                       goto ERROR;
-               }
+               debug_error("failed to parse profile\n");
+               return ret;
+       }
 
-               parser = NULL;
+       /* FIXIT : we can use thouse in player->profile directly */
+       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_MEM)
+       {
+               player->mem_buf.buf = (char *)player->profile.mem;
+               player->mem_buf.len = player->profile.mem_size;
+               player->mem_buf.offset = 0;
+       }
 
-               gst_object_unref (GST_OBJECT(pssrcpad));
-               pssrcpad = NULL;
+       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_URL_MMS)
+       {
+               debug_warning("mms protocol is not supported format.\n");
+               return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
        }
 
-       debug_fleave();
+       if (MMPLAYER_IS_STREAMING(player))
+               MMPLAYER_STATE_CHANGE_TIMEOUT(player) = player->ini.live_state_change_timeout;
+       else
+               MMPLAYER_STATE_CHANGE_TIMEOUT(player) = player->ini.localplayback_state_change_timeout;
 
-       return TRUE;
+       player->needed_v_parser = FALSE;
+       player->smooth_streaming = FALSE;
+       player->videodec_linked  = 0;
+       player->videosink_linked = 0;
+       player->audiodec_linked  = 0;
+       player->audiosink_linked = 0;
+       player->textsink_linked = 0;
+       player->is_external_subtitle_present = FALSE;
+       /* set the subtitle ON default */
+       player->is_subtitle_off = FALSE;
 
-ERROR:
+       /* registry should be updated for downloadable codec */
+       mm_attrs_get_int_by_name(attrs, "profile_update_registry", &update_registry);
 
-       if ( queue )
+       if ( update_registry )
        {
-               gst_object_unref(GST_OBJECT(qsrcpad));
+               debug_log("updating registry...\n");
+               gst_update_registry();
 
-               /* NOTE : Trying to dispose element queue0, but it is in READY instead of the NULL state.
-                * You need to explicitly set elements to the NULL state before
-                * dropping the final reference, to allow them to clean up.
-                */
-               gst_element_set_state(queue, GST_STATE_NULL);
-               /* And, it still has a parent "player".
-                * You need to let the parent manage the object instead of unreffing the object directly.
-                */
+               /* then we have to rebuild factories */
+               __mmplayer_release_factories( player );
+               __mmplayer_init_factories(player);
+       }
 
-               gst_bin_remove (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue);
-               //gst_object_unref( queue );
+       /* realize pipeline */
+       ret = __gst_realize( player );
+       if ( ret != MM_ERROR_NONE )
+       {
+               debug_error("fail to realize the player.\n");
+       }
+       else
+       {
+               ret = __mmplayer_realize_streaming_ext(player);
        }
 
-       if ( srccaps )
-               gst_caps_unref(GST_CAPS(srccaps));
+       MMPLAYER_FLEAVE();
 
-    return FALSE;
+       return ret;
 }
 
-static gboolean __mmplayer_feature_filter(GstPluginFeature *feature, gpointer data) // @
+int
+__mmplayer_unrealize_streaming_ext(mm_player_t *player)
 {
-       const gchar *klass;
-       //const gchar *name;
+       MMPLAYER_FENTER();
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       /* we only care about element factories */
-       if (!GST_IS_ELEMENT_FACTORY(feature))
-               return FALSE;
-
-       /* only parsers, demuxers and decoders */
-       klass = gst_element_factory_get_klass(GST_ELEMENT_FACTORY(feature));
-       //name = gst_element_factory_get_longname(GST_ELEMENT_FACTORY(feature));
+       /* destroy can called at anytime */
+       if (player->pd_downloader && MMPLAYER_IS_HTTP_PD(player))
+       {
+               _mmplayer_unrealize_pd_downloader ((MMHandleType)player);
+               MMPLAYER_FREEIF(player->pd_downloader);
+       }
 
-       if( g_strrstr(klass, "Demux") == NULL &&
-               g_strrstr(klass, "Codec/Decoder") == NULL &&
-               g_strrstr(klass, "Depayloader") == NULL &&
-               g_strrstr(klass, "Parse") == NULL)
-       {
-               return FALSE;
-       }
-    return TRUE;
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
 }
 
-
-static void    __mmplayer_add_new_caps(GstPad* pad, GParamSpec* unused, gpointer data)
+int
+_mmplayer_unrealize(MMHandleType hplayer)
 {
-       mm_player_t* player = (mm_player_t*) data;
-       GstCaps *caps = NULL;
-       GstStructure *str = NULL;
-       const char *name;
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_if_fail ( pad )
-       return_if_fail ( unused )
-       return_if_fail ( data )
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED )
 
-       caps = gst_pad_get_caps(pad);
-       if ( !caps )
-               return;
-       
-       str = gst_caps_get_structure(caps, 0);
-       if ( !str )
-               return;
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_UNREALIZE );
 
-       name = gst_structure_get_name(str);
-       if ( !name )
-               return;
-       debug_log("name=%s\n", name);
+       __mmplayer_unrealize_streaming_ext(player);
 
-       if ( ! __mmplayer_try_to_plug(player, pad, caps) )
+       /* unrealize pipeline */
+       ret = __gst_unrealize( player );
+
+       /* set asm stop if success */
+       if (MM_ERROR_NONE == ret)
        {
-               debug_error("failed to autoplug for type (%s)\n", name);
-               gst_caps_unref(caps);
-               return;
+               if (player->sm.state != ASM_STATE_STOP)
+               {
+                       /* NOTE : Stop asm after pipeline unrealize. Keep this sequence. */
+                       ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_STOP, FALSE);
+                       if ( ret )
+                       {
+                               debug_error("failed to set asm state to STOP");
+                               return ret;
+                       }
+               }
+       }
+       else
+       {
+               debug_error("failed and don't change asm state to stop");
        }
 
-       gst_caps_unref(caps);
-
-       __mmplayer_pipeline_complete( NULL, (gpointer)player );
-
-       debug_fleave(); 
+       MMPLAYER_FLEAVE();
 
-       return;
+       return ret;
 }
 
-static void __mmplayer_set_unlinked_mime_type(mm_player_t* player, GstCaps *caps)
+int
+_mmplayer_set_message_callback(MMHandleType hplayer, MMMessageCallback callback, gpointer user_param) // @
 {
-       GstStructure *str;
-       gint version = 0;
-       const char *stream_type;
-       gchar *version_field = NULL;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*)hplayer;
 
-       return_if_fail ( player );
-       return_if_fail ( caps );
-       
-       str = gst_caps_get_structure(caps, 0);
-       if ( !str )
-               return;
-       
-       stream_type = gst_structure_get_name(str);
-       if ( !stream_type )
-               return;
+       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
+       return __gst_set_message_callback(player, callback, user_param);
+}
 
-       /* set unlinked mime type for downloadable codec */
-       if (g_str_has_prefix(stream_type, "video/"))
-       {       
-               if (g_str_has_prefix(stream_type, "video/mpeg")) 
-               {
-                       gst_structure_get_int (str, MM_PLAYER_MPEG_VNAME, &version);
-                       version_field = MM_PLAYER_MPEG_VNAME;
-               }
-               else if (g_str_has_prefix(stream_type, "video/x-wmv"))
-               {
-                       gst_structure_get_int (str, MM_PLAYER_WMV_VNAME, &version);
-                       version_field = MM_PLAYER_WMV_VNAME;
-                       
-               }
-               else if (g_str_has_prefix(stream_type, "video/x-divx"))
-               {
-                       gst_structure_get_int (str, MM_PLAYER_DIVX_VNAME, &version);
-                       version_field = MM_PLAYER_DIVX_VNAME;
-               }
+int
+_mmplayer_get_state(MMHandleType hplayer, int* state) // @
+{
+       mm_player_t *player = (mm_player_t*)hplayer;
 
-               if (version)
-               {
-                       player->unlinked_video_mime = g_strdup_printf("%s, %s=%d", stream_type, version_field, version);
-               }
-               else
-               {
-                       player->unlinked_video_mime = g_strdup_printf("%s", stream_type);
-               }
-       }
-       else if (g_str_has_prefix(stream_type, "audio/"))
-       {
-               if (g_str_has_prefix(stream_type, "audio/mpeg")) // mp3 or aac
-               {
-                       gst_structure_get_int (str, MM_PLAYER_MPEG_VNAME, &version);
-                       version_field = MM_PLAYER_MPEG_VNAME;
-               }
-               else if (g_str_has_prefix(stream_type, "audio/x-wma")) 
-               {
-                       gst_structure_get_int (str, MM_PLAYER_WMA_VNAME, &version);
-                       version_field = MM_PLAYER_WMA_VNAME;
-               }
+       return_val_if_fail(state, MM_ERROR_INVALID_ARGUMENT);
 
-               if (version)
-               {
-                       player->unlinked_audio_mime = g_strdup_printf("%s, %s=%d", stream_type, version_field, version);
-               }
-               else
-               {
-                       player->unlinked_audio_mime = g_strdup_printf("%s", stream_type);
-               }
-       }
+       *state = MMPLAYER_CURRENT_STATE(player);
 
-       debug_fleave();
+       return MM_ERROR_NONE;
 }
 
-static void __mmplayer_add_new_pad(GstElement *element, GstPad *pad, gpointer data)
+
+int
+_mmplayer_set_volume(MMHandleType hplayer, MMPlayerVolumeType volume) // @
 {
-       mm_player_t* player = (mm_player_t*) data;
-       GstCaps *caps = NULL;
-       GstStructure *str = NULL;
-       const char *name;
+       mm_player_t* player = (mm_player_t*) hplayer;
+       GstElement* vol_element = NULL;
+       int i = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_if_fail ( player );
-       return_if_fail ( pad );
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       GST_OBJECT_LOCK (pad);
-       if ((caps = GST_PAD_CAPS(pad)))
-               gst_caps_ref(caps);
-       GST_OBJECT_UNLOCK (pad);
+       debug_log("volume [L]=%f:[R]=%f\n",
+               volume.level[MM_VOLUME_CHANNEL_LEFT], volume.level[MM_VOLUME_CHANNEL_RIGHT]);
 
-       if ( NULL == caps )
+       /* invalid factor range or not */
+       for ( i = 0; i < MM_VOLUME_CHANNEL_NUM; i++ )
        {
-               caps = gst_pad_get_caps(pad);
-               if ( !caps ) return;
+               if (volume.level[i] < MM_VOLUME_FACTOR_MIN || volume.level[i] > MM_VOLUME_FACTOR_MAX) {
+                       debug_error("Invalid factor! (valid factor:0~1.0)\n");
+                       return MM_ERROR_INVALID_ARGUMENT;
+               }
        }
 
-       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
-       
-       str = gst_caps_get_structure(caps, 0);
-       if ( !str )
-               return;
-
-       name = gst_structure_get_name(str);
-       if ( !name )
-               return;
+       /* not support to set other value into each channel */
+       if ((volume.level[MM_VOLUME_CHANNEL_LEFT] != volume.level[MM_VOLUME_CHANNEL_RIGHT]))
+               return MM_ERROR_INVALID_ARGUMENT;
 
-       player->num_dynamic_pad++;
-       debug_log("stream count inc : %d\n", player->num_dynamic_pad);
+       /* Save volume to handle. Currently the first array element will be saved. */
+       player->sound.volume = volume.level[MM_VOLUME_CHANNEL_LEFT];
 
-       if (__mmplayer_is_amr_type(name))
-       {
-               /* store type string */
-               MMPLAYER_FREEIF(player->type);
-               player->type = gst_caps_to_string(caps);
-               player->bypass_sound_effect = FALSE;
-               if ( (PLAYER_INI()->use_audio_filter_preset || PLAYER_INI()->use_audio_filter_custom) )
-               {
-                       if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_PRESET )
-                       {
-                               if (!_mmplayer_sound_filter_preset_apply(player, player->audio_filter_info.preset))
-                               {
-                                       debug_msg("apply sound effect(preset:%d) setting success\n",player->audio_filter_info.preset);
-                               }
-                       }
-                       else if ( player->audio_filter_info.filter_type == MM_AUDIO_FILTER_TYPE_CUSTOM )
-                       {
-                               if (!_mmplayer_sound_filter_custom_apply(player))
-                               {
-                                       debug_msg("apply sound effect(custom) setting success\n");
-                               }
-                       }
-               }
-       }
-       /* Note : If the stream is the subtitle, we try not to play it. Just close the demuxer subtitle pad.
-         *     If want to play it, remove this code.
-         */
-       else if (g_strrstr(name, "application"))
-       {
-               if (g_strrstr(name, "x-id3") || g_strrstr(name, "x-apetag"))
-               {
-                       /* If id3/ape tag comes, keep going */
-                       debug_log("application mime exception : id3/ape tag\n");
-               }
-               else
-               {
-                       /* Otherwise, we assume that this stream is subtile. */
-                       debug_log(" application mime type pad is closed. \n");
-                       return;
-               }
-       }
-       else if (g_strrstr(name, "video"))
+       /* check pipeline handle */
+       if ( ! player->pipeline || ! player->pipeline->audiobin )
        {
-               int stype;
-               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &stype);
-
-               /* don't make video because of not required */
-               if (stype == MM_DISPLAY_SURFACE_NULL)
-               {
-                       debug_log("no video because it's not required\n");
-                       return;
-               }
+               debug_log("audiobin is not created yet\n");
+               debug_log("but, current stored volume will be set when it's created.\n");
 
-               player->v_stream_caps = gst_caps_copy(caps); //if needed, video caps is required when videobin is created
+               /* NOTE : stored volume will be used in create_audiobin
+                * returning MM_ERROR_NONE here makes application to able to
+                * set volume at anytime.
+                */
+               return MM_ERROR_NONE;
        }
 
-       if ( ! __mmplayer_try_to_plug(player, pad, caps) )
+       /* setting volume to volume element */
+       vol_element = player->pipeline->audiobin[MMPLAYER_A_VOL].gst;
+
+       if ( vol_element )
        {
-               debug_error("failed to autoplug for type (%s)\n", name);
-               
-               __mmplayer_set_unlinked_mime_type(player, caps);                
+               debug_log("volume is set [%f]\n", player->sound.volume);
+               g_object_set(vol_element, "volume", player->sound.volume, NULL);
        }
 
-       gst_caps_unref(caps);
-
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return;
+       return MM_ERROR_NONE;
 }
 
-/* test API for tuning audio gain. this API should be
- * deprecated before the day of final release
- */
+
 int
-_mmplayer_set_volume_tune(MMHandleType hplayer, MMPlayerVolumeType volume)
+_mmplayer_get_volume(MMHandleType hplayer, MMPlayerVolumeType* volume)
 {
        mm_player_t* player = (mm_player_t*) hplayer;
-       gint error = MM_ERROR_NONE;
-       gint vol_max = 0;
-       gboolean isMidi = FALSE;
-       gint i = 0;
+       int i = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail( player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED )
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail( volume, MM_ERROR_INVALID_ARGUMENT );
 
-       debug_log("clip type=%d(1-midi, 0-others), volume [L]=%d:[R]=%d\n",
-               player->profile.play_mode, volume.level[0], volume.level[1]);
+       /* returning stored volume */
+       for (i = 0; i < MM_VOLUME_CHANNEL_NUM; i++)
+               volume->level[i] = player->sound.volume;
 
-       isMidi = ( player->profile.play_mode == MM_PLAYER_MODE_MIDI ) ? TRUE : FALSE;
+       MMPLAYER_FLEAVE();
 
-       if ( isMidi )
-               vol_max = 1000;
-       else
-               vol_max = 100;
+       return MM_ERROR_NONE;
+}
 
-       /* is it proper volume level? */
-       for (i = 0; i < MM_VOLUME_CHANNEL_NUM; ++i)
+
+
+int
+_mmplayer_set_mute(MMHandleType hplayer, int mute) // @
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+       GstElement* vol_element = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       /* mute value shoud 0 or 1 */
+       if ( mute != 0 && mute != 1 )
        {
-               if (volume.level[i] < 0 || volume.level[i] > vol_max) {
-                       debug_log("Invalid Volume level!!!! \n");
-                       return MM_ERROR_INVALID_ARGUMENT;
-               }
+               debug_error("bad mute value\n");
+
+               /* FIXIT : definitly, we need _BAD_PARAM error code */
+               return MM_ERROR_INVALID_ARGUMENT;
        }
 
-       if ( isMidi )
+       player->sound.mute = mute;
+
+       /* just hold mute value if pipeline is not ready */
+       if ( !player->pipeline || !player->pipeline->audiobin )
        {
-               if ( player->pipeline->mainbin )
-               {
-                       GstElement *midi_element = player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst;
+               debug_log("pipeline is not ready. holding mute value\n");
+               return MM_ERROR_NONE;
+       }
 
-                       if ( midi_element && ( strstr(GST_ELEMENT_NAME(midi_element), "midiparse")) )
-                       {
-                               debug_log("setting volume (%d) level to midi plugin\n", volume.level[0]);
+       vol_element = player->pipeline->audiobin[MMPLAYER_A_SINK].gst;
 
-                               g_object_set(midi_element, "volume", volume.level[0], NULL);
-                       }
-               }
+       /* NOTE : volume will only created when the bt is enabled */
+       if ( vol_element )
+       {
+               debug_log("mute : %d\n", mute);
+               g_object_set(vol_element, "mute", mute, NULL);
        }
        else
        {
-               if ( player->pipeline->audiobin )
-               {
-                       GstElement *sink_element = player->pipeline->audiobin[MMPLAYER_A_SINK].gst;
+               debug_log("volume elemnet is not created. using volume in audiosink\n");
+       }
 
-                       /* Set to Avsysaudiosink element */
-                       if ( sink_element )
-                       {
-                               gint vol_value = 0;
-                               gboolean mute = FALSE;
-                               vol_value = volume.level[0];
+       MMPLAYER_FLEAVE();
 
-                               g_object_set(G_OBJECT(sink_element), "tuningvolume", vol_value, NULL);
+       return MM_ERROR_NONE;
+}
 
-                               mute = (vol_value == 0)? TRUE:FALSE;
+int
+_mmplayer_get_mute(MMHandleType hplayer, int* pmute) // @
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-                               g_object_set(G_OBJECT(sink_element), "mute", mute, NULL);
-                       }
+       MMPLAYER_FENTER();
 
-               }
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( pmute, MM_ERROR_INVALID_ARGUMENT );
+
+       /* just hold mute value if pipeline is not ready */
+       if ( !player->pipeline || !player->pipeline->audiobin )
+       {
+               debug_log("pipeline is not ready. returning stored value\n");
+               *pmute = player->sound.mute;
+               return MM_ERROR_NONE;
        }
 
-       debug_fleave();
+       *pmute = player->sound.mute;
 
-       return error;
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
 }
 
-gboolean
-__mmplayer_dump_pipeline_state( mm_player_t* player )
+int
+_mmplayer_set_videostream_cb(MMHandleType hplayer, mm_player_video_stream_callback callback, void *user_param) // @
 {
-       GstIterator*iter = NULL;
-       gboolean done = FALSE;
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-       GstElement *item = NULL;
-       GstElementFactory *factory = NULL;
+       MMPLAYER_FENTER();
 
-       GstState state = GST_STATE_VOID_PENDING;
-       GstState pending = GST_STATE_VOID_PENDING;
-       GstClockTime time = 200*GST_MSECOND;
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       debug_fenter();
+       player->video_stream_cb = callback;
+       player->video_stream_cb_user_param = user_param;
+       player->use_video_stream = TRUE;
+       debug_log("Stream cb Handle value is %p : %p\n", player, player->video_stream_cb);
 
-       return_val_if_fail ( player &&
-               player->pipeline &&
-               player->pipeline->mainbin,
-               FALSE );
+       MMPLAYER_FLEAVE();
 
+       return MM_ERROR_NONE;
+}
 
-       iter = gst_bin_iterate_recurse(GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst) );
+int
+_mmplayer_set_audiostream_cb(MMHandleType hplayer, mm_player_audio_stream_callback callback, void *user_param) // @
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-       if ( iter != NULL )
-       {
-               while (!done) {
-                        switch ( gst_iterator_next (iter, (gpointer)&item) )
-                        {
-                          case GST_ITERATOR_OK:
-                               gst_element_get_state(GST_ELEMENT (item),&state, &pending,time);
+       MMPLAYER_FENTER();
 
-                               factory = gst_element_get_factory (item) ;
-                                debug_log("%s:%s : From:%s To:%s   refcount : %d\n", GST_OBJECT_NAME(factory) , GST_ELEMENT_NAME(item) ,
-                                       gst_element_state_get_name(state), gst_element_state_get_name(pending) , GST_OBJECT_REFCOUNT_VALUE(item));
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
+       player->audio_stream_cb = callback;
+       player->audio_stream_cb_user_param = user_param;
+       debug_log("Audio Stream cb Handle value is %p : %p\n", player, player->audio_stream_cb);
 
-                                gst_object_unref (item);
-                                break;
-                          case GST_ITERATOR_RESYNC:
-                                gst_iterator_resync (iter);
-                                break;
-                          case GST_ITERATOR_ERROR:
-                                done = TRUE;
-                                break;
-                          case GST_ITERATOR_DONE:
-                                done = TRUE;
-                                break;
-                        }
-               }
-       }
+       MMPLAYER_FLEAVE();
 
-       item = GST_ELEMENT(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst);
+       return MM_ERROR_NONE;
+}
 
-       gst_element_get_state(GST_ELEMENT (item),&state, &pending,time);
+int
+_mmplayer_set_buffer_need_data_cb(MMHandleType hplayer, mm_player_buffer_need_data_callback callback, void *user_param) // @
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-       factory = gst_element_get_factory (item) ;
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
 
-       debug_log("%s:%s : From:%s To:%s  refcount : %d\n",
-               GST_OBJECT_NAME(factory),
-               GST_ELEMENT_NAME(item),
-               gst_element_state_get_name(state),
-               gst_element_state_get_name(pending),
-               GST_OBJECT_REFCOUNT_VALUE(item) );
+       player->need_data_cb = callback;
+       player->buffer_cb_user_param = user_param;
 
-       if ( iter )
-               gst_iterator_free (iter);
+       debug_log("buffer need dataHandle value is %p : %p\n", player, player->need_data_cb);
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return FALSE;
+       return MM_ERROR_NONE;
 }
 
-
-gboolean
-__mmplayer_check_subtitle( mm_player_t* player )
+int
+_mmplayer_set_buffer_enough_data_cb(MMHandleType hplayer, mm_player_buffer_enough_data_callback callback, void *user_param) // @
 {
-       MMHandleType attrs = 0;
-       char *subtitle_uri = NULL;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-       return_val_if_fail( player, FALSE );
+       MMPLAYER_FENTER();
 
-       /* get subtitle attribute */
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
-               return FALSE;
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
 
-       mm_attrs_get_string_by_name(attrs, "subtitle_uri", &subtitle_uri);
-       if ( !subtitle_uri || !strlen(subtitle_uri))
-               return FALSE;
+       player->enough_data_cb = callback;
+       player->buffer_cb_user_param = user_param;
 
-       debug_log ("subtite uri is %s[%d]\n", subtitle_uri, strlen(subtitle_uri));
+       debug_log("buffer enough data cb Handle value is %p : %p\n", player, player->enough_data_cb);
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return TRUE;
+       return MM_ERROR_NONE;
 }
 
-static gboolean
-__mmplayer_can_extract_pcm( mm_player_t* player )
+int
+_mmplayer_set_buffer_seek_data_cb(MMHandleType hplayer, mm_player_buffer_seek_data_callback callback, void *user_param) // @
 {
-       MMHandleType attrs = 0;
-       gboolean is_drm = FALSE;
-       gboolean sound_extraction = FALSE;
+       mm_player_t* player = (mm_player_t*) hplayer;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail(callback, MM_ERROR_INVALID_ARGUMENT);
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
-       {
-               debug_error("fail to get attributes.");
-               return FALSE;
-       }
-       
-       /* check file is drm or not */
-       g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "is-drm", &is_drm, NULL);
+       player->seek_data_cb = callback;
+       player->buffer_cb_user_param = user_param;
 
-       /* get sound_extraction property */
-       mm_attrs_get_int_by_name(attrs, "pcm_extraction", &sound_extraction);
+       debug_log("buffer seek data cb Handle value is %p : %p\n", player, player->seek_data_cb);
 
-       if ( ! sound_extraction || is_drm )
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}
+
+int
+__mmplayer_start_streaming_ext(mm_player_t *player)
+{
+       gint ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       if (MMPLAYER_IS_HTTP_PD(player))
        {
-               debug_log("pcm extraction param.. is drm = %d, extraction mode = %d", is_drm, sound_extraction);
-               return FALSE;
-       }
+               if ( !player->pd_downloader )
+               {
+                       ret = __mmplayer_realize_streaming_ext(player);
 
-       debug_fleave();
+                       if ( ret != MM_ERROR_NONE)
+                       {
+                               debug_error ("failed to realize streaming ext\n");
+                               return ret;
+                       }
+               }
 
-       return TRUE;
+               if (player->pd_downloader && player->pd_mode == MM_PLAYER_PD_MODE_URI)
+               {
+                       ret = _mmplayer_start_pd_downloader ((MMHandleType)player);
+                       if ( !ret )
+                       {
+                               debug_error ("ERROR while starting PD...\n");
+                               return MM_ERROR_PLAYER_NOT_INITIALIZED;
+                       }
+                       ret = MM_ERROR_NONE;
+               }
+       }
+
+       MMPLAYER_FLEAVE();
+       return ret;
 }
 
-static gboolean
-__mmplayer_handle_gst_error ( mm_player_t* player, GstMessage * message, GError* error )
+int
+_mmplayer_start(MMHandleType hplayer) // @
 {
-       MMMessageParamType msg_param;
-       gchar *msg_src_element;
-
-       debug_fenter();
+       mm_player_t* player = (mm_player_t*) hplayer;
+       gint ret = MM_ERROR_NONE;
 
-       return_val_if_fail( player, FALSE );
-       return_val_if_fail( error, FALSE );
+       MMPLAYER_FENTER();
 
-       /* NOTE : do somthing necessary inside of __gst_handle_XXX_error. not here */
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       memset (&msg_param, 0, sizeof(MMMessageParamType));
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_START );
 
-       if ( error->domain == GST_CORE_ERROR )
+       ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_PLAYING, TRUE);
+       if ( ret != MM_ERROR_NONE )
        {
-               msg_param.code = __gst_handle_core_error( player, error->code );
+               debug_error("failed to set asm state to PLAYING\n");
+               return ret;
        }
-       else if ( error->domain == GST_LIBRARY_ERROR )
+
+       /* NOTE : we should check and create pipeline again if not created as we destroy
+        * whole pipeline when stopping in streamming playback
+        */
+       if ( ! player->pipeline )
        {
-               msg_param.code = __gst_handle_library_error( player, error->code );
-       }
-       else if ( error->domain == GST_RESOURCE_ERROR )
+               ret = __gst_realize( player );
+               if ( MM_ERROR_NONE != ret )
+               {
+                       debug_error("failed to realize before starting. only in streamming\n");
+                       /* unlock */
+                       return ret;
+               }
+       }
+
+       ret = __mmplayer_start_streaming_ext(player);
+       if ( ret != MM_ERROR_NONE )
        {
-               msg_param.code = __gst_handle_resource_error( player, error->code );
+               debug_error("failed to start streaming ext \n");
        }
-       else if ( error->domain == GST_STREAM_ERROR )
+
+       /* start pipeline */
+       ret = __gst_start( player );
+       if ( ret != MM_ERROR_NONE )
        {
-               msg_param.code = __gst_handle_stream_error( player, error, message );
+               debug_error("failed to start player.\n");
        }
-       else
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+/* NOTE: post "not supported codec message" to application
+ * when one codec is not found during AUTOPLUGGING in MSL.
+ * So, it's separated with error of __mmplayer_gst_callback().
+ * And, if any codec is not found, don't send message here.
+ * Because GST_ERROR_MESSAGE is posted by other plugin internally.
+ */
+int
+__mmplayer_handle_missed_plugin(mm_player_t* player)
+{
+       MMMessageParamType msg_param;
+       memset (&msg_param, 0, sizeof(MMMessageParamType));
+       gboolean post_msg_direct = FALSE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       debug_log("not_supported_codec = 0x%02x, can_support_codec = 0x%02x\n",
+                       player->not_supported_codec, player->can_support_codec);
+
+       if( player->not_found_demuxer )
        {
-               debug_warning("This error domain is not defined.\n");
+               msg_param.code = MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+               msg_param.data = g_strdup_printf("%s", player->unlinked_demuxer_mime);
 
-               /* we treat system error as an internal error */
-               msg_param.code = MM_ERROR_PLAYER_INVALID_STREAM;
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+               MMPLAYER_FREEIF(msg_param.data);
+
+               return MM_ERROR_NONE;
        }
 
-       if ( message->src )
+       if (player->not_supported_codec)
        {
-               msg_src_element = GST_ELEMENT_NAME( GST_ELEMENT_CAST( message->src ) );
+               if ( player->can_support_codec ) // There is one codec to play
+               {
+                       post_msg_direct = TRUE;
+               }
+               else
+               {
+                       if ( player->pipeline->audiobin ) // Some content has only PCM data in container.
+                               post_msg_direct = TRUE;
+               }
 
-               msg_param.data = (void *) error->message;
+               if ( post_msg_direct )
+               {
+                       MMMessageParamType msg_param;
+                       memset (&msg_param, 0, sizeof(MMMessageParamType));
 
-               debug_error("-Msg src : [%s]    Domain : [%s]   Error : [%s]  Code : [%d] is tranlated to error code : [0x%x]\n",
-                       msg_src_element, g_quark_to_string (error->domain), error->message, error->code, msg_param.code);
+                       if ( player->not_supported_codec ==  MISSING_PLUGIN_AUDIO )
+                       {
+                               debug_warning("not found AUDIO codec, posting error code to application.\n");
+
+                               msg_param.code = MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+                               msg_param.data = g_strdup_printf("%s", player->unlinked_audio_mime);
+                       }
+                       else if ( player->not_supported_codec ==  MISSING_PLUGIN_VIDEO )
+                       {
+                               debug_warning("not found VIDEO codec, posting error code to application.\n");
+
+                               msg_param.code = MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+                               msg_param.data = g_strdup_printf("%s", player->unlinked_video_mime);
+                       }
+
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+
+                       MMPLAYER_FREEIF(msg_param.data);
+
+                       return MM_ERROR_NONE;
+               }
+               else // no any supported codec case
+               {
+                       debug_warning("not found any codec, posting error code to application.\n");
+
+                       if ( player->not_supported_codec ==  MISSING_PLUGIN_AUDIO )
+                       {
+                               msg_param.code = MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+                               msg_param.data = g_strdup_printf("%s", player->unlinked_audio_mime);
+                       }
+                       else
+                       {
+                               msg_param.code = MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+                               msg_param.data = g_strdup_printf("%s, %s", player->unlinked_video_mime, player->unlinked_audio_mime);
+                       }
+
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+
+                       MMPLAYER_FREEIF(msg_param.data);
+               }
        }
 
-       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}
+
+static void __mmplayer_check_pipeline(mm_player_t* player)
+{
+       GstState element_state = GST_STATE_VOID_PENDING;
+       GstState element_pending_state = GST_STATE_VOID_PENDING;
+       gint timeout = 0;
+       int ret = MM_ERROR_NONE;
+
+       if (player->pp_rebuilding)
        {
-               __mm_player_ahs_stop (player->ahs_player);
+               debug_warning("pipeline is under construction.\n");
+
+               MMPLAYER_PLAYBACK_LOCK(player);
+               MMPLAYER_PLAYBACK_UNLOCK(player);
+
+               timeout = MMPLAYER_STATE_CHANGE_TIMEOUT ( player );
+
+               /* wait for state transition */
+               ret = gst_element_get_state( player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &element_state, &element_pending_state, timeout * GST_SECOND );
+
+               if ( ret == GST_STATE_CHANGE_FAILURE )
+               {
+                       debug_error("failed to change pipeline state within %d sec\n", timeout );
+               }
        }
+}
 
-       /* post error to application */
-       if ( ! player->posted_msg )
+/* NOTE : it should be able to call 'stop' anytime*/
+int
+_mmplayer_stop(MMHandleType hplayer) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_STOP );
+
+       /* check pipline building state */
+       __mmplayer_check_pipeline(player);
+
+       /* NOTE : application should not wait for EOS after calling STOP */
+       __mmplayer_cancel_eos_timer( player );
+
+       __mmplayer_unrealize_streaming_ext(player);
+
+       /* reset */
+       player->doing_seek = FALSE;
+
+       /* stop pipeline */
+       ret = __gst_stop( player );
+
+       if ( ret != MM_ERROR_NONE )
+       {
+               debug_error("failed to stop player.\n");
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+_mmplayer_pause(MMHandleType hplayer) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       GstFormat fmt = GST_FORMAT_TIME;
+       gint64 pos_msec = 0;
+       gboolean async = FALSE;
+       gint ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_PAUSE );
+
+       /* check pipline building state */
+       __mmplayer_check_pipeline(player);
+
+       switch (MMPLAYER_CURRENT_STATE(player))
        {
-               if (msg_param.code == MM_MESSAGE_DRM_NOT_AUTHORIZED)
+               case MM_PLAYER_STATE_READY:
                {
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_DRM_NOT_AUTHORIZED, NULL );
+                       /* check prepare async or not.
+                        * In the case of streaming playback, it's recommned to avoid blocking wait.
+                        */
+                       mm_attrs_get_int_by_name(player->attrs, "profile_prepare_async", &async);
+                       debug_log("prepare working mode : %s", (async ? "async" : "sync"));
                }
-               else
+               break;
+
+               case MM_PLAYER_STATE_PLAYING:
                {
-                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
-               }
+                       /* NOTE : store current point to overcome some bad operation
+                       * ( returning zero when getting current position in paused state) of some
+                       * elements
+                       */
+                       if ( !gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &pos_msec))
+                               debug_warning("getting current position failed in paused\n");
 
-               /* don't post more if one was sent already */
-               player->posted_msg = TRUE;
+                       player->last_position = pos_msec;
+               }
+               break;
        }
-       else
+
+       /* pause pipeline */
+       ret = __gst_pause( player, async );
+
+       if ( ret != MM_ERROR_NONE )
        {
-               debug_log("skip error post because it's sent already.\n");
+               debug_error("failed to pause player. ret : 0x%x\n", ret);
        }
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return TRUE;
+       return ret;
 }
 
-static gboolean
-__mmplayer_handle_streaming_error  ( mm_player_t* player, GstMessage * message )
+int
+_mmplayer_resume(MMHandleType hplayer)
 {
-       debug_log("\n");
-       MMMessageParamType msg_param;
-       gchar *msg_src_element = NULL;
-       GstStructure *s = NULL;
-       guint error_id = 0;
-       gchar *error_string = NULL;
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+       gboolean async = FALSE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail ( player, FALSE );
-       return_val_if_fail ( message, FALSE );
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       s = malloc( sizeof(GstStructure) );
-       memcpy ( s, gst_message_get_structure ( message ), sizeof(GstStructure));
+       ret = _mmplayer_asm_set_state(hplayer, ASM_STATE_PLAYING, TRUE);
+       if ( ret )
+       {
+               debug_error("failed to set asm state to PLAYING\n");
+               return ret;
+       }
 
-       if ( !gst_structure_get_uint (s, "error_id", &error_id) )
-               error_id = MMPLAYER_STREAMING_ERROR_NONE;
+       /* check current state */
+       MMPLAYER_CHECK_STATE_RETURN_IF_FAIL( player, MMPLAYER_COMMAND_RESUME );
 
-       switch ( error_id )
+       /* resume pipeline */
+       ret = __gst_resume( player, async );
+
+       if ( ret != MM_ERROR_NONE )
        {
-               case MMPLAYER_STREAMING_ERROR_UNSUPPORTED_AUDIO:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNSUPPORTED_AUDIO;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_UNSUPPORTED_VIDEO:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNSUPPORTED_VIDEO;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_CONNECTION_FAIL:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_CONNECTION_FAIL;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_DNS_FAIL:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_DNS_FAIL;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_SERVER_DISCONNECTED:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_SERVER_DISCONNECTED;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_BAD_SERVER:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_BAD_SERVER;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_INVALID_PROTOCOL:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_INVALID_PROTOCOL;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_INVALID_URL:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_INVALID_URL;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_UNEXPECTED_MSG:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNEXPECTED_MSG;
-                       break;
-               case MMPLAYER_STREAMING_ERROR_OUT_OF_MEMORIES:
-                       msg_param.code = MM_ERROR_PLAYER_STREAMING_OUT_OF_MEMORIES;
-                       break;
+               debug_error("failed to resume player.\n");
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+__mmplayer_set_play_count(mm_player_t* player, gint count)
+{
+       MMHandleType attrs = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       attrs =  MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+       {
+               debug_error("fail to get attributes.\n");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
+       if ( mmf_attrs_commit ( attrs ) ) /* return -1 if error */
+               debug_error("failed to commit\n");
+
+       MMPLAYER_FLEAVE();
+
+       return  MM_ERROR_NONE;
+}
+
+int
+_mmplayer_activate_section_repeat(MMHandleType hplayer, unsigned long start, unsigned long end)
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       gint64 start_pos = 0;
+       gint64 end_pos = 0;
+       gint infinity = -1;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( end <= GST_TIME_AS_MSECONDS(player->duration), MM_ERROR_INVALID_ARGUMENT );
+
+       player->section_repeat = TRUE;
+       player->section_repeat_start = start;
+       player->section_repeat_end = end;
+
+       start_pos = player->section_repeat_start * G_GINT64_CONSTANT(1000000);
+       end_pos = player->section_repeat_end * G_GINT64_CONSTANT(1000000);
+
+       __mmplayer_set_play_count( player, infinity );
+
+       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
+                                       player->playback_rate,
+                                       GST_FORMAT_TIME,
+                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
+                                       GST_SEEK_TYPE_SET, start_pos,
+                                       GST_SEEK_TYPE_SET, end_pos)))
+       {
+               debug_error("failed to activate section repeat\n");
+
+               return MM_ERROR_PLAYER_SEEK;
+       }
+
+       debug_log("succeeded to set section repeat from %d to %d\n",
+               player->section_repeat_start, player->section_repeat_end);
+
+       MMPLAYER_FLEAVE();
+
+       return  MM_ERROR_NONE;
+}
+
+static int
+__mmplayer_set_pcm_extraction(mm_player_t* player)
+{
+       gint64 start_nsec = 0;
+       gint64 end_nsec = 0;
+       gint64 dur_nsec = 0;
+       gint64 dur_msec = 0;
+       GstFormat fmt = GST_FORMAT_TIME;
+       int required_start = 0;
+       int required_end = 0;
+       int ret = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, FALSE );
+
+       mm_attrs_multiple_get(player->attrs,
+               NULL,
+               "pcm_extraction_start_msec", &required_start,
+               "pcm_extraction_end_msec", &required_end,
+               NULL);
+
+       debug_log("pcm extraction required position is from [%d] to [%d] (msec)\n", required_start, required_end);
+
+       if (required_start == 0 && required_end == 0)
+       {
+               debug_log("extracting entire stream");
+               return MM_ERROR_NONE;
+       }
+       else if (required_start < 0 || required_start > required_end || required_end < 0 )
+       {
+               debug_log("invalid range for pcm extraction");
+               return MM_ERROR_INVALID_ARGUMENT;
+       }
+
+       /* get duration */
+       ret = gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &dur_nsec);
+       if ( !ret )
+       {
+               debug_error("failed to get duration");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       dur_msec = GST_TIME_AS_MSECONDS(dur_nsec);
+
+       if (dur_msec < required_end) // FIXME
+       {
+               debug_log("invalid end pos for pcm extraction");
+               return MM_ERROR_INVALID_ARGUMENT;
+       }
+
+       start_nsec = required_start * G_GINT64_CONSTANT(1000000);
+       end_nsec = required_end * G_GINT64_CONSTANT(1000000);
+
+       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
+                                       1.0,
+                                       GST_FORMAT_TIME,
+                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
+                                       GST_SEEK_TYPE_SET, start_nsec,
+                                       GST_SEEK_TYPE_SET, end_nsec)))
+       {
+               debug_error("failed to seek for pcm extraction\n");
+
+               return MM_ERROR_PLAYER_SEEK;
+       }
+
+       debug_log("succeeded to set up segment extraction from [%llu] to [%llu] (nsec)\n", start_nsec, end_nsec);
+
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_deactivate_section_repeat(MMHandleType hplayer)
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       gint64 cur_pos = 0;
+       GstFormat fmt  = GST_FORMAT_TIME;
+       gint onetime = 1;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       player->section_repeat = FALSE;
+
+       __mmplayer_set_play_count( player, onetime );
+
+       gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &fmt, &cur_pos);
+
+       if ( (!__gst_seek( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
+                                       1.0,
+                                       GST_FORMAT_TIME,
+                                       ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
+                                       GST_SEEK_TYPE_SET, cur_pos,
+                                       GST_SEEK_TYPE_SET, player->duration )))
+       {
+               debug_error("failed to deactivate section repeat\n");
+
+               return MM_ERROR_PLAYER_SEEK;
+       }
+
+       MMPLAYER_FENTER();
+
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_set_playspeed(MMHandleType hplayer, float rate)
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       signed long long pos_msec = 0;
+       int ret = MM_ERROR_NONE;
+       int mute = FALSE;
+       GstFormat format =GST_FORMAT_TIME;
+       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( !MMPLAYER_IS_STREAMING(player), MM_ERROR_NOT_SUPPORT_API );
+
+       /* The sound of video is not supported under 0.0 and over 2.0. */
+       if(rate >= TRICK_PLAY_MUTE_THRESHOLD_MAX || rate < TRICK_PLAY_MUTE_THRESHOLD_MIN)
+       {
+               if (player->can_support_codec & FOUND_PLUGIN_VIDEO)
+                       mute = TRUE;
+       }
+       _mmplayer_set_mute(hplayer, mute);
+
+       if (player->playback_rate == rate)
+               return MM_ERROR_NONE;
+
+       /* If the position is reached at start potion during fast backward, EOS is posted.
+        * So, This EOS have to be classified with it which is posted at reaching the end of stream.
+        * */
+       player->playback_rate = rate;
+
+       current_state = MMPLAYER_CURRENT_STATE(player);
+
+       if ( current_state != MM_PLAYER_STATE_PAUSED )
+               ret = gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, &format, &pos_msec);
+
+       debug_log ("pos_msec = %"GST_TIME_FORMAT" and ret = %d and state = %d", GST_TIME_ARGS (pos_msec), ret, current_state);
+
+       if ( ( current_state == MM_PLAYER_STATE_PAUSED )
+               || ( ! ret ))
+               //|| ( player->last_position != 0 && pos_msec == 0 ) )
+       {
+               debug_warning("returning last point : %lld\n", player->last_position );
+               pos_msec = player->last_position;
+       }
+
+       if ((!gst_element_seek (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
+                               rate,
+                               GST_FORMAT_TIME,
+                               ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
+                               //( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_KEY_UNIT),
+                               GST_SEEK_TYPE_SET, pos_msec,
+                               //GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE,
+                GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)))
+       {
+               debug_error("failed to set speed playback\n");
+               return MM_ERROR_PLAYER_SEEK;
+       }
+
+       debug_log("succeeded to set speed playback as %0.1f\n", rate);
+
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;;
+}
+
+int
+_mmplayer_set_position(MMHandleType hplayer, int format, int position) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       ret = __gst_set_position ( player, format, (unsigned long)position, FALSE );
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+_mmplayer_get_position(MMHandleType hplayer, int format, unsigned long *position) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       ret = __gst_get_position ( player, format, position );
+
+       return ret;
+}
+
+int
+_mmplayer_get_buffer_position(MMHandleType hplayer, int format, unsigned long* start_pos, unsigned long* stop_pos) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       ret = __gst_get_buffer_position ( player, format, start_pos, stop_pos );
+
+       return ret;
+}
+
+int
+_mmplayer_adjust_subtitle_postion(MMHandleType hplayer, int format, int position) // @
+{
+       mm_player_t* player = (mm_player_t*)hplayer;
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       ret = __gst_adjust_subtitle_position(player, format, position);
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+static gboolean
+__mmplayer_is_midi_type( gchar* str_caps)
+{
+       if ( ( g_strrstr(str_caps, "audio/midi") ) ||
+               ( g_strrstr(str_caps, "application/x-gst_ff-mmf") ) ||
+               ( g_strrstr(str_caps, "application/x-smaf") ) ||
+               ( g_strrstr(str_caps, "audio/x-imelody") ) ||
+               ( g_strrstr(str_caps, "audio/mobile-xmf") ) ||
+               ( g_strrstr(str_caps, "audio/xmf") ) ||
+               ( g_strrstr(str_caps, "audio/mxmf") ) )
+       {
+               debug_log("midi\n");
+
+               return TRUE;
+       }
+
+       return FALSE;
+}
+
+static gboolean
+__mmplayer_is_only_mp3_type (gchar *str_caps)
+{
+       if (g_strrstr(str_caps, "application/x-id3") ||
+               (g_strrstr(str_caps, "audio/mpeg") && g_strrstr(str_caps, "mpegversion=(int)1")))
+       {
+               return TRUE;
+       }
+       return FALSE;
+}
+
+/* try to use ALP decoder first instead of selected decoder */
+static gboolean
+__mmplayer_is_omx_decoder_type (mm_player_t* player)
+{
+#define MIN_THRESHOLD_SIZE  320 * 1024 // 320K
+       gboolean ret = FALSE;
+       gchar* path = NULL;
+       guint64 data_size = 0;
+       struct stat sb;
+
+       return_val_if_fail (player, FALSE);
+
+       /* consider mp3 audio only */
+       if ((!MMPLAYER_IS_STREAMING(player)) &&
+               (__mmplayer_is_only_mp3_type(player->type)))
+       {
+               mm_attrs_get_string_by_name(player->attrs, "profile_uri", &path);
+
+               if (stat(path, &sb) == 0)
+               {
+                       data_size = (guint64)sb.st_size;
+
+                       if (data_size > MIN_THRESHOLD_SIZE)
+                       {
+                               ret = TRUE;
+                       }
+               }
+       }
+
+       debug_log ("need to select omx_decoder ? [%s]\n", (ret)?"YES":"NO");
+       return ret;
+}
+
+static void
+__mmplayer_set_audio_attrs (mm_player_t* player, GstCaps* caps)
+{
+       GstStructure* caps_structure = NULL;
+       gint samplerate = 0;
+       gint channels = 0;
+
+       MMPLAYER_FENTER();
+       return_if_fail (player && caps);
+
+       caps_structure = gst_caps_get_structure(caps, 0);
+
+       /* set stream information */
+       gst_structure_get_int (caps_structure, "rate", &samplerate);
+       mm_attrs_set_int_by_name (player->attrs, "content_audio_samplerate", samplerate);
+
+       gst_structure_get_int (caps_structure, "channels", &channels);
+       mm_attrs_set_int_by_name (player->attrs, "content_audio_channels", channels);
+
+       debug_log ("audio samplerate : %d       channels : %d\n", samplerate, channels);
+}
+
+static void
+__mmplayer_typefind_have_type(  GstElement *tf, guint probability,  // @
+GstCaps *caps, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       GstPad* pad = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_if_fail( player && tf && caps );
+
+       /* store type string */
+       MMPLAYER_FREEIF(player->type);
+       player->type = gst_caps_to_string(caps);
+       if (player->type)
+               debug_log("meida type %s found, probability %d%% / %d\n", player->type, probability, gst_caps_get_size(caps));
+
+       if ( (!MMPLAYER_IS_WFD_STREAMING( player )) &&
+                (!MMPLAYER_IS_RTSP_STREAMING( player )) &&
+                (g_strrstr(player->type, "audio/x-raw-int")))
+       {
+               debug_error("not support media format\n");
+
+               if (player->msg_posted == FALSE)
+               {
+                       MMMessageParamType msg_param;
+                       memset (&msg_param, 0, sizeof(MMMessageParamType));
+
+                       msg_param.code = MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+                       MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+
+                       /* don't post more if one was sent already */
+                       player->msg_posted = TRUE;
+               }
+               return;
+       }
+
+       /* midi type should be stored because it will be used to set audio gain in avsysaudiosink */
+       if ( __mmplayer_is_midi_type(player->type))
+       {
+               player->profile.play_mode = MM_PLAYER_MODE_MIDI;
+               player->bypass_audio_effect = TRUE;
+       }
+       else if ( g_strrstr(player->type, "application/x-hls"))
+       {
+               /* If it can't know exact type when it parses uri because of redirection case,
+                 * it will be fixed by typefinder here.
+                 */
+               player->profile.uri_type = MM_PLAYER_URI_TYPE_HLS;
+       }
+       else if ( g_strrstr(player->type, "application/dash+xml"))
+       {
+               player->profile.uri_type = MM_PLAYER_URI_TYPE_DASH;
+       }
+
+       pad = gst_element_get_static_pad(tf, "src");
+       if ( !pad )
+       {
+               debug_error("fail to get typefind src pad.\n");
+               return;
+       }
+
+       if (player->use_decodebin)
+       {
+               if(!__mmplayer_try_to_plug_decodebin( player, pad, caps ))
+               {
+                       gboolean async = FALSE;
+                       debug_error("failed to autoplug %s\n", player->type);
+
+                       mm_attrs_get_int_by_name(player->attrs, "profile_prepare_async", &async);
+
+                       if ( async && player->msg_posted == FALSE )
+                       {
+                               __mmplayer_handle_missed_plugin( player );
+                       }
+
+                       goto DONE;
+               }
+       }
+       else
+       {
+               /* try to plug */
+               if ( ! __mmplayer_try_to_plug( player, pad, caps ) )
+               {
+                       gboolean async = FALSE;
+                       debug_error("failed to autoplug %s\n", player->type);
+
+                       mm_attrs_get_int_by_name(player->attrs, "profile_prepare_async", &async);
+
+                       if ( async && player->msg_posted == FALSE )
+                       {
+                               __mmplayer_handle_missed_plugin( player );
+                       }
+
+                       goto DONE;
+               }
+
+               /* finish autopluging if no dynamic pad waiting */
+               if( ( ! player->have_dynamic_pad) && ( ! player->has_many_types) )
+               {
+                       if ( ! MMPLAYER_IS_RTSP_STREAMING( player ) )
+                       {
+                               __mmplayer_pipeline_complete( NULL, (gpointer)player );
+                       }
+               }
+       }
+
+DONE:
+       gst_object_unref( GST_OBJECT(pad) );
+
+       MMPLAYER_FLEAVE();
+
+       return;
+}
+
+#ifdef _MM_PLAYER_ALP_PARSER
+void check_name (void *data, void *user_data)
+{
+       mm_player_t* player = user_data;
+
+       if (g_strrstr((gchar*)data, "mpegaudioparse"))
+       {
+               debug_log("mpegaudioparse - set alp-mp3dec\n");
+               g_object_set(player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst, "alp-mp3dec", TRUE, NULL);
+       }
+}
+#endif
+
+static GstElement *
+__mmplayer_create_decodebin (mm_player_t* player)
+{
+       GstElement *decodebin = NULL;
+
+       MMPLAYER_FENTER();
+
+       /* create decodebin */
+       decodebin = gst_element_factory_make("decodebin2", "decodebin2");
+
+       if (!decodebin)
+       {
+               debug_error("fail to create decodebin\n");
+               goto ERROR;
+       }
+
+       /* raw pad handling signal */
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                                               G_CALLBACK(__mmplayer_gst_decode_pad_added), player);
+
+       /* no-more-pad pad handling signal */
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads",
+                                               G_CALLBACK(__mmplayer_gst_decode_no_more_pads), player);
+
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-removed",
+                                               G_CALLBACK(__mmplayer_gst_decode_pad_removed), player);
+
+       /* This signal is emitted when a pad for which there is no further possible
+          decoding is added to the decodebin.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "unknown-type",
+                                               G_CALLBACK(__mmplayer_gst_decode_unknown_type), player );
+
+       /* This signal is emitted whenever decodebin2 finds a new stream. It is emitted
+          before looking for any elements that can handle that stream.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-continue",
+                                               G_CALLBACK(__mmplayer_gst_decode_autoplug_continue), player);
+
+       /* This signal is emitted whenever decodebin2 finds a new stream. It is emitted
+          before looking for any elements that can handle that stream.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-select",
+                                               G_CALLBACK(__mmplayer_gst_decode_autoplug_select), player);
+
+       /* Once decodebin2 has found the possible GstElementFactory objects to try for
+          caps on pad, this signal is emited. The purpose of the signal is for the
+          application to perform additional sorting or filtering on the element factory
+          array.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-sort",
+                                               G_CALLBACK(__mmplayer_gst_decode_autoplug_sort), player);
+
+       /* This signal is emitted once decodebin2 has finished decoding all the data.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "drained",
+                                               G_CALLBACK(__mmplayer_gst_decode_drained), player);
+
+       /* This signal is emitted when a element is added to the bin.*/
+       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "element-added",
+                                               G_CALLBACK(__mmplayer_gst_element_added), player);
+
+ERROR:
+       return decodebin;
+}
+
+static void
+__mmplayer_gst_id3_pad_added(GstElement *element, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       GstCaps *caps = NULL;
+       gchar *caps_str = NULL;
+
+       MMPLAYER_FENTER();
+       return_if_fail (player && pad);
+
+       caps = gst_pad_get_caps(pad);
+       caps_str = gst_caps_to_string(caps);
+
+       debug_log("pad %s:%s, caps %s", GST_DEBUG_PAD_NAME(pad), caps_str);
+       __mmplayer_try_to_plug_decodebin(player, pad, caps);
+
+       MMPLAYER_FREEIF( caps_str );
+       gst_caps_unref(caps);
+
+       MMPLAYER_FLEAVE();
+}
+
+static gboolean
+__mmplayer_try_to_plug_decodebin(mm_player_t* player, GstPad *srcpad, const GstCaps *caps)
+{
+       MMPlayerGstElement* mainbin = NULL;
+       GstElement* decodebin2 = NULL;
+       GstElement* queue2 = NULL;
+       GstElement* id3demux = NULL;
+
+       GstPad* sinkpad = NULL;
+       GstPad* qsrcpad= NULL;
+       gchar *caps_str = NULL;
+
+       GstFormat fmt  = GST_FORMAT_BYTES;
+       gint64 dur_bytes = 0L;
+       gchar* file_buffering_path = NULL;
+       gboolean use_file_buffer = FALSE;
+
+       guint max_buffer_size_bytes = 0;
+       gdouble init_buffering_time = (gdouble)player->streamer->buffering_req.initial_second;
+
+       MMPLAYER_FENTER();
+       return_val_if_fail (player && player->pipeline && player->pipeline->mainbin, FALSE);
+
+       mainbin = player->pipeline->mainbin;
+
+       if ((!MMPLAYER_IS_HTTP_PD(player)) &&
+               (MMPLAYER_IS_HTTP_STREAMING(player)))
+       {
+               debug_log ("creating http streaming buffering queue (queue2)\n");
+
+               if (mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst)
+               {
+                       debug_error ("MMPLAYER_M_MUXED_S_BUFFER is not null\n");
+               }
+               else
+           {
+                       if (!mainbin[MMPLAYER_M_ID3DEMUX].gst)
+                       {
+                               caps_str = gst_caps_to_string(caps);
+                               if (g_strrstr(caps_str, "application/x-id3"))
+                               {
+                                       debug_log("create id3demux in front of queue2 \n");
+
+                                       id3demux = gst_element_factory_make ("id3demux", NULL);
+                                       if (!id3demux)
+                                       {
+                                               debug_error ("failed to create buffering id3demux element\n");
+                                               goto ERROR;
+                                       }
+
+                                       MMPLAYER_SIGNAL_CONNECT( player, G_OBJECT(id3demux), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                                                                               G_CALLBACK(__mmplayer_gst_id3_pad_added), player);
+
+                                       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), id3demux))
+                                       {
+                                               debug_error("failed to add id3demux\n");
+                                               goto ERROR;
+                                       }
+
+                                       sinkpad = gst_element_get_static_pad(id3demux, "sink");
+
+                                       if (GST_PAD_LINK_OK != gst_pad_link(srcpad, sinkpad))
+                                       {
+                                               debug_error("failed to link buffering queue\n");
+                                               goto ERROR;
+                                       }
+
+                                       if (GST_STATE_CHANGE_FAILURE == gst_element_sync_state_with_parent (id3demux))
+                                       {
+                                               debug_error("failed to sync id3demux state with parent\n");
+                                               goto ERROR;
+                                       }
+
+                                       mainbin[MMPLAYER_M_ID3DEMUX].id = MMPLAYER_M_ID3DEMUX;
+                                       mainbin[MMPLAYER_M_ID3DEMUX].gst = id3demux;
+
+                                       gst_object_unref(GST_OBJECT(sinkpad));
+                                       MMPLAYER_FREEIF( caps_str );
+
+                                       MMPLAYER_FLEAVE();
+                                       return TRUE;
+                               }
+
+                               MMPLAYER_FREEIF( caps_str );
+                       }
+
+                       queue2 = gst_element_factory_make ("queue2", "queue2");
+                       if (!queue2)
+                       {
+                               debug_error ("failed to create buffering queue element\n");
+                               goto ERROR;
+                       }
+
+                       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue2))
+                       {
+                               debug_error("failed to add buffering queue\n");
+                               goto ERROR;
+                       }
+
+                       sinkpad = gst_element_get_static_pad(queue2, "sink");
+                       qsrcpad = gst_element_get_static_pad(queue2, "src");
+
+                       if (GST_PAD_LINK_OK != gst_pad_link(srcpad, sinkpad))
+                       {
+                               debug_error("failed to link buffering queue\n");
+                               goto ERROR;
+                       }
+
+                       // if ( !MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
+                       {
+                               if ( !gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, &fmt, &dur_bytes))
+                                       debug_error("fail to get duration.\n");
+
+                               debug_log("dur_bytes = %lld\n", dur_bytes);
+
+                               if (dur_bytes > 0)
+                               {
+                                       use_file_buffer = MMPLAYER_USE_FILE_FOR_BUFFERING(player);
+                                       file_buffering_path = g_strdup(player->ini.http_file_buffer_path);
+                               }
+                               else
+                               {
+                                       dur_bytes = 0;
+                               }
+                       }
+
+                       /* NOTE : we cannot get any duration info from ts container in case of streaming */
+                       // if(!g_strrstr(GST_ELEMENT_NAME(sinkelement), "mpegtsdemux"))
+                       if(!g_strrstr(player->type, "video/mpegts"))
+                       {
+                               max_buffer_size_bytes = (use_file_buffer)?(player->ini.http_max_size_bytes):(5*1024*1024);
+                               debug_log("max_buffer_size_bytes = %d\n", max_buffer_size_bytes);
+
+                               __mm_player_streaming_set_queue2(player->streamer,
+                                                                                               queue2,
+                                                                                               FALSE,
+                                                                                               max_buffer_size_bytes,
+                                                                                               player->ini.http_buffering_time,
+                                                                                               1.0,                                                            // no meaning
+                                                                                               player->ini.http_buffering_limit,       // no meaning
+                                                                                               use_file_buffer,
+                                                                                               file_buffering_path,
+                                                                                               (guint64)dur_bytes);
+                       }
+
+                       MMPLAYER_FREEIF(file_buffering_path);
+                       if (GST_STATE_CHANGE_FAILURE == gst_element_sync_state_with_parent (queue2))
+                       {
+                               debug_error("failed to sync queue2 state with parent\n");
+                               goto ERROR;
+                       }
+
+                       srcpad = qsrcpad;
+
+                       gst_object_unref(GST_OBJECT(sinkpad));
+
+                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].id = MMPLAYER_M_MUXED_S_BUFFER;
+                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst = queue2;
+               }
+       }
+
+       /* create decodebin */
+       decodebin2 = __mmplayer_create_decodebin(player);
+
+       if (!decodebin2)
+       {
+               debug_error("can not create autoplug element\n");
+               goto ERROR;
+       }
+
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), decodebin2))
+       {
+               debug_error("failed to add decodebin2\n");
+               goto ERROR;
+       }
+
+       /* to force caps on the decodebin element and avoid reparsing stuff by
+       * typefind. It also avoids a deadlock in the way typefind activates pads in
+       * the state change */
+       g_object_set (decodebin2, "sink-caps", caps, NULL);
+
+       sinkpad = gst_element_get_static_pad(decodebin2, "sink");
+
+       if (GST_PAD_LINK_OK != gst_pad_link(srcpad, sinkpad))
+       {
+               debug_error("failed to link decodebin2\n");
+               goto ERROR;
+       }
+
+       gst_object_unref(GST_OBJECT(sinkpad));
+
+       mainbin[MMPLAYER_M_AUTOPLUG].id = MMPLAYER_M_AUTOPLUG;
+       mainbin[MMPLAYER_M_AUTOPLUG].gst = decodebin2;
+
+       if ( ((!MMPLAYER_IS_HTTP_PD(player)) &&
+           (MMPLAYER_IS_HTTP_STREAMING(player))) || MMPLAYER_IS_DASH_STREAMING (player))
+       {
+               init_buffering_time = (init_buffering_time != 0)?(init_buffering_time):(player->ini.http_buffering_time);
+
+               g_object_set (G_OBJECT(decodebin2), "use-buffering", TRUE,
+                                                                                       "high-percent", (gint)player->ini.http_buffering_limit,
+                                                                                       "low-percent", 1,   // 1%
+                                                                                       "max-size-bytes", MAX_DECODEBIN_BUFFER_BYTES,
+                                                                                       "max-size-time", (guint64)(MAX_DECODEBIN_BUFFER_TIME * GST_SECOND),
+                                                                                       "max-size-buffers", 0, NULL);  // disable or automatic
+       }
+
+       if (GST_STATE_CHANGE_FAILURE == gst_element_sync_state_with_parent(decodebin2))
+       {
+               debug_error("failed to sync decodebin2 state with parent\n");
+               goto ERROR;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+
+ERROR:
+
+       MMPLAYER_FREEIF( caps_str );
+
+       if (sinkpad)
+               gst_object_unref(GST_OBJECT(sinkpad));
+
+       if (queue2)
+       {
+               /* NOTE : Trying to dispose element queue0, but it is in READY instead of the NULL state.
+                * You need to explicitly set elements to the NULL state before
+                * dropping the final reference, to allow them to clean up.
+                */
+               gst_element_set_state(queue2, GST_STATE_NULL);
+
+               /* And, it still has a parent "player".
+                * You need to let the parent manage the object instead of unreffing the object directly.
+                */
+               gst_bin_remove (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue2);
+               gst_object_unref (queue2);
+               queue2 = NULL;
+       }
+
+       if (id3demux)
+       {
+               /* NOTE : Trying to dispose element id3demux, but it is in READY instead of the NULL state.
+                * You need to explicitly set elements to the NULL state before
+                * dropping the final reference, to allow them to clean up.
+                */
+               gst_element_set_state(id3demux, GST_STATE_NULL);
+
+               /* And, it still has a parent "player".
+                * You need to let the parent manage the object instead of unreffing the object directly.
+                */
+               gst_bin_remove (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), id3demux);
+               gst_object_unref (id3demux);
+               id3demux = NULL;
+       }
+
+       if (decodebin2)
+       {
+               /* NOTE : Trying to dispose element queue0, but it is in READY instead of the NULL state.
+                * You need to explicitly set elements to the NULL state before
+                * dropping the final reference, to allow them to clean up.
+                */
+               gst_element_set_state(decodebin2, GST_STATE_NULL);
+
+               /* And, it still has a parent "player".
+                * You need to let the parent manage the object instead of unreffing the object directly.
+                */
+
+               gst_bin_remove (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), decodebin2);
+               gst_object_unref (decodebin2);
+               decodebin2 = NULL;
+       }
+
+       return FALSE;
+}
+
+/* it will return first created element */
+static gboolean
+__mmplayer_try_to_plug(mm_player_t* player, GstPad *pad, const GstCaps *caps) // @
+{
+       MMPlayerGstElement* mainbin = NULL;
+       const char* mime = NULL;
+       const GList* item = NULL;
+       const gchar* klass = NULL;
+       GstCaps* res = NULL;
+       gboolean skip = FALSE;
+       GstPad* queue_pad = NULL;
+       GstElement* queue = NULL;
+       GstElement *element = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player && player->pipeline && player->pipeline->mainbin, FALSE );
+
+       mainbin = player->pipeline->mainbin;
+
+       mime = gst_structure_get_name(gst_caps_get_structure(caps, 0));
+
+       /* return if we got raw output */
+       if(g_str_has_prefix(mime, "video/x-raw") || g_str_has_prefix(mime, "audio/x-raw")
+               || g_str_has_prefix(mime, "text/plain") ||g_str_has_prefix(mime, "text/x-pango-markup"))
+       {
+
+               element = (GstElement*)gst_pad_get_parent(pad);
+/* NOTE : When no decoder has added during autoplugging. like a simple wave playback.
+ * No queue will be added. I think it can caused breaking sound when playing raw audio
+ * frames but there's no different. Decodebin also doesn't add with those wav fils.
+ * Anyway, currentely raw-queue seems not necessary.
+ */
+#if 1
+               /* NOTE : check if previously linked element is demuxer/depayloader/parse means no decoder
+                * has linked. if so, we need to add queue for quality of output. note that
+                * decodebin also has same problem.
+                */
+               klass = gst_element_factory_get_klass( gst_element_get_factory(element) );
+
+               /* add queue if needed */
+               if( (g_strrstr(klass, "Demux") || g_strrstr(klass, "Depayloader")
+                       || g_strrstr(klass, "Parse")) &&  !g_str_has_prefix(mime, "text"))
+               {
+                       debug_log("adding raw queue\n");
+
+                       queue = gst_element_factory_make("queue", NULL);
+                       if ( ! queue )
+                       {
+                               debug_warning("failed to create queue\n");
+                               goto ERROR;
+                       }
+
+                       /* warmup */
+                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_READY) )
+                       {
+                               debug_warning("failed to set state READY to queue\n");
+                               goto ERROR;
+                       }
+
+                       /* add to pipeline */
+                       if ( ! gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue) )
+                       {
+                               debug_warning("failed to add queue\n");
+                               goto ERROR;
+                       }
+
+                       /* link queue */
+                       queue_pad = gst_element_get_static_pad(queue, "sink");
+
+                       if ( GST_PAD_LINK_OK != gst_pad_link(pad, queue_pad) )
+                       {
+                               debug_warning("failed to link queue\n");
+                               goto ERROR;
+                       }
+                       gst_object_unref ( GST_OBJECT(queue_pad) );
+                       queue_pad = NULL;
+
+                       /* running */
+                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_PAUSED) )
+                       {
+                               debug_warning("failed to set state READY to queue\n");
+                               goto ERROR;
+                       }
+
+                       /* replace given pad to queue:src */
+                       pad = gst_element_get_static_pad(queue, "src");
+                       if ( ! pad )
+                       {
+                               debug_warning("failed to get pad from queue\n");
+                               goto ERROR;
+                       }
+               }
+#endif
+               /* check if player can do start continually */
+               MMPLAYER_CHECK_CMD_IF_EXIT(player);
+
+               if(__mmplayer_link_sink(player,pad))
+                       __mmplayer_gst_decode_callback(element, pad, player);
+
+               gst_object_unref( GST_OBJECT(element));
+               element = NULL;
+
+               return TRUE;
+       }
+
+       item = player->factories;
+       for(; item != NULL ; item = item->next)
+       {
+               GstElementFactory *factory = GST_ELEMENT_FACTORY(item->data);
+               const GList *pads;
+               gint idx = 0;
+
+               skip = FALSE;
+
+               /* filtering exclude keyword */
+               for ( idx = 0; player->ini.exclude_element_keyword[idx][0] != '\0'; idx++ )
+               {
+                       if ( g_strrstr(GST_PLUGIN_FEATURE_NAME (factory),
+                                       player->ini.exclude_element_keyword[idx] ) )
+                       {
+                               debug_warning("skipping [%s] by exculde keyword [%s]\n",
+                                       GST_PLUGIN_FEATURE_NAME (factory),
+                                       player->ini.exclude_element_keyword[idx] );
+
+                               skip = TRUE;
+                               break;
+                       }
+               }
+
+               if ( MMPLAYER_IS_RTSP_STREAMING(player) && g_strrstr(GST_PLUGIN_FEATURE_NAME (factory), "omx_mpeg4dec"))
+               {
+                       // omx decoder can not support mpeg4video data partitioned
+                       // rtsp streaming didn't know mpeg4video data partitioned format
+                       // so, if rtsp playback, player will skip omx_mpeg4dec.
+                       debug_warning("skipping [%s] when rtsp streaming \n",
+                                       GST_PLUGIN_FEATURE_NAME (factory));
+
+                       skip = TRUE;
+               }
+
+               if ( skip ) continue;
+
+               /* check factory class for filtering */
+               klass = gst_element_factory_get_klass(GST_ELEMENT_FACTORY(factory));
+
+               /* NOTE : msl don't need to use image plugins.
+                * So, those plugins should be skipped for error handling.
+                */
+               if ( g_strrstr(klass, "Codec/Decoder/Image") )
+               {
+                       debug_log("skipping [%s] by not required\n", GST_PLUGIN_FEATURE_NAME (factory));
+                       continue;
+               }
+
+               /* check pad compatability */
+               for(pads = gst_element_factory_get_static_pad_templates(factory);
+                                       pads != NULL; pads=pads->next)
+               {
+                       GstStaticPadTemplate *temp1 = pads->data;
+                       GstCaps* static_caps = NULL;
+
+                       if( temp1->direction != GST_PAD_SINK ||
+                                               temp1->presence != GST_PAD_ALWAYS)
+                               continue;
+
+                       if ( GST_IS_CAPS( &temp1->static_caps.caps) )
+                       {
+                               /* using existing caps */
+                               static_caps = gst_caps_ref( &temp1->static_caps.caps );
+                       }
+                       else
+                       {
+                               /* create one */
+                               static_caps = gst_caps_from_string ( temp1->static_caps.string );
+                       }
+
+                       res = gst_caps_intersect(caps, static_caps);
+
+                       gst_caps_unref( static_caps );
+                       static_caps = NULL;
+
+                       if( res && !gst_caps_is_empty(res) )
+                       {
+                               GstElement *new_element;
+                               GList *elements = player->parsers;
+                               char *name_template = g_strdup(temp1->name_template);
+                               gchar *name_to_plug = GST_PLUGIN_FEATURE_NAME(factory);
+                               gst_caps_unref(res);
+
+                               /* check ALP Codec can be used or not */
+                               if ((g_strrstr(klass, "Codec/Decoder/Audio")))
+                               {
+                                       /* consider mp3 audio only */
+                                       if ( !MMPLAYER_IS_STREAMING(player) && __mmplayer_is_only_mp3_type(player->type) )
+                                       {
+                                               /* try to use ALP decoder first instead of selected decoder */
+                                               GstElement *element = NULL;
+                                               GstElementFactory * element_facory;
+                                               gchar *path = NULL;
+                                               guint64 data_size = 0;
+                                               #define MIN_THRESHOLD_SIZE  320 * 1024 // 320K
+                                               struct stat sb;
+
+                                               mm_attrs_get_string_by_name(player->attrs, "profile_uri", &path);
+
+                                               if (stat(path, &sb) == 0)
+                                               {
+                                                       data_size = (guint64)sb.st_size;
+                                               }
+                                               debug_log("file size : %u", data_size);
+
+                                               if (data_size > MIN_THRESHOLD_SIZE)
+                                               {
+                                                       debug_log("checking if ALP can be used or not");
+                                                       element = gst_element_factory_make("omx_mp3dec", "omx mp3 decoder");
+                                                       if ( element )
+                                                       {
+                                                               /* check availability because multi-instance is not supported */
+                                                               GstStateChangeReturn ret = gst_element_set_state(element, GST_STATE_READY);
+
+                                                               if (ret != GST_STATE_CHANGE_SUCCESS) // use just selected decoder
+                                                               {
+                                                                       gst_object_unref (element);
+                                                               }
+                                                               else if (ret == GST_STATE_CHANGE_SUCCESS) // replace facotry to use omx
+                                                               {
+                                                                       /* clean  */
+                                                                       gst_element_set_state(element, GST_STATE_NULL);
+                                                                       gst_object_unref (element);
+
+                                                                       element_facory = gst_element_factory_find("omx_mp3dec");
+                                                                       /* replace, otherwise use selected thing instead */
+                                                                       if (element_facory)
+                                                                       {
+                                                                               factory = element_facory;
+                                                                               name_to_plug = GST_PLUGIN_FEATURE_NAME(factory);
+                                                                       }
+
+                                                                       /* make parser alp mode */
+                                                                       #ifdef _MM_PLAYER_ALP_PARSER
+                                                                       g_list_foreach (player->parsers, check_name, player);
+                                                                       #endif
+                                                               }
+                                                       }
+                                               }
+                                       }
+                               }
+                               else if ((g_strrstr(klass, "Codec/Decoder/Video")))
+                               {
+                                       if ( g_strrstr(GST_PLUGIN_FEATURE_NAME(factory), "omx_") )
+                                       {
+                                               char *env = getenv ("MM_PLAYER_HW_CODEC_DISABLE");
+                                               if (env != NULL)
+                                               {
+                                                       if (strncasecmp(env, "yes", 3) == 0)
+                                                       {
+                                                               debug_log("skipping [%s] by disabled\n", name_to_plug);
+                                                               MMPLAYER_FREEIF(name_template);
+                                                               continue;
+                                                       }
+                                               }
+                                       }
+                               }
+
+                               debug_log("found %s to plug\n", name_to_plug);
+
+                               new_element = gst_element_factory_create(GST_ELEMENT_FACTORY(factory), NULL);
+                               if ( ! new_element )
+                               {
+                                       debug_error("failed to create element [%s]. continue with next.\n",
+                                               GST_PLUGIN_FEATURE_NAME (factory));
+
+                                       MMPLAYER_FREEIF(name_template);
+
+                                       continue;
+                               }
+
+                               /* check and skip it if it was already used. Otherwise, it can be an infinite loop
+                                * because parser can accept its own output as input.
+                                */
+                               if (g_strrstr(klass, "Parser"))
+                               {
+                                       gchar *selected = NULL;
+
+                                       for ( ; elements; elements = g_list_next(elements))
+                                       {
+                                               gchar *element_name = elements->data;
+
+                                               if (g_strrstr(element_name, name_to_plug))
+                                               {
+                                                       debug_log("but, %s already linked, so skipping it\n", name_to_plug);
+                                                       skip = TRUE;
+                                               }
+                                       }
+
+                                       if (skip)
+                                       {
+                                               MMPLAYER_FREEIF(name_template);
+                                               continue;
+                                       }
+
+                                       selected = g_strdup(name_to_plug);
+                                       player->parsers = g_list_append(player->parsers, selected);
+                               }
+
+                               /* store specific handles for futher control */
+                               if(g_strrstr(klass, "Demux") || g_strrstr(klass, "Parse"))
+                               {
+                                       /* FIXIT : first value will be overwritten if there's more
+                                        * than 1 demuxer/parser
+                                        */
+                                       debug_log("plugged element is demuxer. take it\n");
+                                       mainbin[MMPLAYER_M_DEMUX].id = MMPLAYER_M_DEMUX;
+                                       mainbin[MMPLAYER_M_DEMUX].gst = new_element;
+
+                                       /*Added for multi audio support */
+                                       if(g_strrstr(klass, "Demux"))
+                                       {
+                                               mainbin[MMPLAYER_M_DEMUX_EX].id = MMPLAYER_M_DEMUX_EX;
+                                               mainbin[MMPLAYER_M_DEMUX_EX].gst = new_element;
+
+                                               /* NOTE : workaround for bug in mpegtsdemux since doesn't emit
+                                               no-more-pad signal. this may cause wrong content attributes at PAUSED state
+                                               this code should be removed after mpegtsdemux is fixed */
+                                               if ( g_strrstr(GST_PLUGIN_FEATURE_NAME(factory), "mpegtsdemux") )
+                                               {
+                                                       debug_warning("force no-more-pad to TRUE since mpegtsdemux os not giving no-more-pad signal. content attributes may wrong");
+                                                       player->no_more_pad = TRUE;
+                                               }
+                                       }
+                                       if (g_strrstr(name_to_plug, "asfdemux")) // to support trust-zone only
+                                       {
+                                               g_object_set(mainbin[MMPLAYER_M_DEMUX_EX].gst, "file-location", player->profile.uri,NULL);
+                                       }
+                               }
+                               else if(g_strrstr(klass, "Decoder") && __mmplayer_link_decoder(player,pad))
+                               {
+                                       if(mainbin[MMPLAYER_M_DEC1].gst == NULL)
+                                       {
+                                               debug_log("plugged element is decoder. take it[MMPLAYER_M_DEC1]\n");
+                                               mainbin[MMPLAYER_M_DEC1].id = MMPLAYER_M_DEC1;
+                                               mainbin[MMPLAYER_M_DEC1].gst = new_element;
+                                       }
+                                       else if(mainbin[MMPLAYER_M_DEC2].gst == NULL)
+                                       {
+                                               debug_log("plugged element is decoder. take it[MMPLAYER_M_DEC2]\n");
+                                               mainbin[MMPLAYER_M_DEC2].id = MMPLAYER_M_DEC2;
+                                               mainbin[MMPLAYER_M_DEC2].gst = new_element;
+                                       }
+                                       /* NOTE : IF one codec is found, add it to supported_codec and remove from
+                                        * missing plugin. Both of them are used to check what's supported codec
+                                        * before returning result of play start. And, missing plugin should be
+                                        * updated here for multi track files.
+                                        */
+                                       if(g_str_has_prefix(mime, "video"))
+                                       {
+                                               GstPad *src_pad = NULL;
+                                               GstPadTemplate *pad_templ = NULL;
+                                               GstCaps *caps = NULL;
+                                               gchar *caps_str = NULL;
+
+                                               debug_log("found VIDEO decoder\n");
+                                               player->not_supported_codec &= MISSING_PLUGIN_AUDIO;
+                                               player->can_support_codec |= FOUND_PLUGIN_VIDEO;
+
+                                               src_pad = gst_element_get_static_pad (new_element, "src");
+                                               pad_templ = gst_pad_get_pad_template (src_pad);
+                                               caps = GST_PAD_TEMPLATE_CAPS(pad_templ);
+
+                                               caps_str = gst_caps_to_string(caps);
+
+                                               /* clean */
+                                               MMPLAYER_FREEIF( caps_str );
+                                               gst_object_unref (src_pad);
+                                       }
+                                       else if (g_str_has_prefix(mime, "audio"))
+                                       {
+                                               debug_log("found AUDIO decoder\n");
+                                               player->not_supported_codec &= MISSING_PLUGIN_VIDEO;
+                                               player->can_support_codec |= FOUND_PLUGIN_AUDIO;
+                                       }
+                               }
+
+                               if ( ! __mmplayer_close_link(player, pad, new_element,
+                                                       name_template,gst_element_factory_get_static_pad_templates(factory)) )
+                               {
+                                       MMPLAYER_FREEIF(name_template);
+                                       if (player->keep_detecting_vcodec)
+                                       continue;
+
+                                       /* Link is failed even though a supportable codec is found. */
+                                       __mmplayer_check_not_supported_codec(player, klass, mime);
+
+                                       debug_error("failed to call _close_link\n");
+                                       return FALSE;
+                               }
+
+                               MMPLAYER_FREEIF(name_template);
+                               return TRUE;
+                       }
+
+                       gst_caps_unref(res);
+                       break;
+               }
+       }
+
+       /* There is no available codec. */
+       __mmplayer_check_not_supported_codec(player, klass, mime);
+
+       MMPLAYER_FLEAVE();
+       return FALSE;
+
+ERROR:
+       /* release */
+       if ( queue )
+               gst_object_unref( queue );
+
+       if ( queue_pad )
+               gst_object_unref( queue_pad );
+
+       if ( element )
+               gst_object_unref ( element );
+
+       return FALSE;
+}
+
+
+static int
+__mmplayer_check_not_supported_codec(mm_player_t* player, const gchar* factory_class, const gchar* mime)
+{
+       MMPLAYER_FENTER();
+
+       return_val_if_fail(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       return_val_if_fail ( mime, MM_ERROR_INVALID_ARGUMENT );
+
+       debug_log("class : %s, mime : %s \n", factory_class, mime );
+
+       /* add missing plugin */
+       /* NOTE : msl should check missing plugin for image mime type.
+        * Some motion jpeg clips can have playable audio track.
+        * So, msl have to play audio after displaying popup written video format not supported.
+        */
+       if ( !( player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst ) )
+       {
+               if ( !( player->can_support_codec | player->videodec_linked | player->audiodec_linked ) )
+               {
+                       debug_log("not found demuxer\n");
+                       player->not_found_demuxer = TRUE;
+                       player->unlinked_demuxer_mime = g_strdup_printf ( "%s", mime );
+
+                       goto DONE;
+               }
+       }
+
+       if( !g_strrstr(factory_class, "Demuxer"))
+       {
+               if( ( g_str_has_prefix(mime, "video") ) ||( g_str_has_prefix(mime, "image") ) )
+               {
+                       debug_log("can support codec=%d, vdec_linked=%d, adec_linked=%d\n",
+                               player->can_support_codec, player->videodec_linked, player->audiodec_linked);
+
+                       /* check that clip have multi tracks or not */
+                       if ( ( player->can_support_codec & FOUND_PLUGIN_VIDEO ) && ( player->videodec_linked ) )
+                       {
+                               debug_log("video plugin is already linked\n");
+                       }
+                       else
+                       {
+                               debug_warning("add VIDEO to missing plugin\n");
+                               player->not_supported_codec |= MISSING_PLUGIN_VIDEO;
+                       }
+               }
+               else if ( g_str_has_prefix(mime, "audio") )
+               {
+                       if ( ( player->can_support_codec & FOUND_PLUGIN_AUDIO ) && ( player->audiodec_linked ) )
+                       {
+                               debug_log("audio plugin is already linked\n");
+                       }
+                       else
+                       {
+                               debug_warning("add AUDIO to missing plugin\n");
+                               player->not_supported_codec |= MISSING_PLUGIN_AUDIO;
+                       }
+               }
+       }
+
+DONE:
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}
+
+
+static void
+__mmplayer_pipeline_complete(GstElement *decodebin,  gpointer data)
+{
+    mm_player_t* player = (mm_player_t*)data;
+
+       MMPLAYER_FENTER();
+
+       return_if_fail( player );
+
+       /* remove fakesink. */
+       if ( ! __mmplayer_gst_remove_fakesink( player,
+       &player->pipeline->mainbin[MMPLAYER_M_SRC_FAKESINK]) )
+       {
+               /* NOTE : __mmplayer_pipeline_complete() can be called several time. because
+                * signaling mechanism ( pad-added, no-more-pad, new-decoded-pad ) from various
+                * source element are not same. To overcome this situation, this function will called
+                * several places and several times. Therefore, this is not an error case.
+                */
+               return;
+       }
+
+       debug_log("pipeline has completely constructed\n");
+
+       if ( ( player->ini.async_start ) &&
+               ( player->msg_posted == FALSE ) &&
+               ( player->cmd >= MMPLAYER_COMMAND_START ))
+       {
+               __mmplayer_handle_missed_plugin( player );
+       }
+
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-complete" );
+}
+
+static gboolean
+__mmplayer_verify_next_play_path(mm_player_t *player)
+{
+       MMHandleType attrs = 0;
+       MMPlayerParseProfile profile;
+       gint uri_idx = 0, check_cnt = 0;
+       char *uri = NULL;
+       gint mode = MM_PLAYER_PD_MODE_NONE;
+       gint count = 0;
+       guint num_of_list = 0;
+
+       MMPLAYER_FENTER();
+
+       debug_log("checking for next play");
+
+       if (player->pipeline->textbin)
+       {
+               debug_error("subtitle path is enabled. next play is not supported.\n");
+               goto ERROR;
+       }
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+       {
+               debug_error("fail to get attributes.\n");
+               goto ERROR;
+       }
+
+       /* seamless playback is supported in case of audio only */
+       mm_attrs_get_int_by_name(attrs, "content_video_found", &mode);
+       if (mode)
+       {
+               debug_log("video found");
+               goto ERROR;
+       }
+
+       if (mm_attrs_get_int_by_name (attrs, "pd_mode", &mode) == MM_ERROR_NONE)
+       {
+               if (mode == TRUE)
+               {
+                       debug_warning("pd mode\n");
+                       goto ERROR;
+               }
+       }
+
+       if (mm_attrs_get_int_by_name(attrs, "profile_play_count", &count) != MM_ERROR_NONE)
+       {
+               debug_error("can not get play count\n");
+       }
+
+       num_of_list = g_list_length(player->uri_info.uri_list);
+
+       debug_log("repeat count = %d, num_of_list = %d\n", count, num_of_list);
+
+       if ( num_of_list == 0 )
+       {
+               if (mm_attrs_get_string_by_name(player->attrs, "profile_uri", &uri) != MM_ERROR_NONE)
+               {
+                       debug_error("can not get profile_uri\n");
+                       goto ERROR;
+               }
+
+               if (!uri)
+               {
+                       debug_error("uri list is empty.\n");
+                       goto ERROR;
+               }
+
+               player->uri_info.uri_list = g_list_append(player->uri_info.uri_list, g_strdup(uri));
+               debug_log("add original path : %s ", uri);
+
+               num_of_list = 1;
+               uri= NULL;
+       }
+
+       uri_idx = player->uri_info.uri_idx;
+
+       while(TRUE)
+       {
+               check_cnt++;
+
+               if (check_cnt > num_of_list)
+               {
+                       debug_error("there is no valid uri.");
+                       goto ERROR;
+               }
+
+               debug_log("uri idx : %d / %d\n", uri_idx, num_of_list);
+
+               if ( uri_idx < num_of_list-1 )
+               {
+                       uri_idx++;
+               }
+               else
+               {
+                       if ((count <= 1) && (count != -1))
+                       {
+                               debug_log("no repeat.");
+                               goto ERROR;
+                       }
+                       else if ( count > 1 )   /* decrease play count */
+                       {
+                               /* we successeded to rewind. update play count and then wait for next EOS */
+                               count--;
+
+                               mm_attrs_set_int_by_name(attrs, "profile_play_count", count);
+
+                               /* commit attribute */
+                               if ( mmf_attrs_commit ( attrs ) )
+                               {
+                                       debug_error("failed to commit attribute\n");
+                               }
+                       }
+
+                       /* count < 0 : repeat continually */
+                       uri_idx = 0;
+               }
+
+               uri = g_list_nth_data(player->uri_info.uri_list, uri_idx);
+               debug_log("uri idx : %d, uri = %s\n", uri_idx, uri);
+
+               if (uri == NULL)
+               {
+                       debug_warning("next uri does not exist\n");
+                       continue;
+               }
+
+               if (__mmfplayer_parse_profile((const char*)uri, NULL, &profile) != MM_ERROR_NONE)
+               {
+                       debug_error("failed to parse profile\n");
+                       continue;
+               }
+
+               if ((profile.uri_type != MM_PLAYER_URI_TYPE_FILE) &&
+                       (profile.uri_type != MM_PLAYER_URI_TYPE_URL_HTTP))
+               {
+                       debug_warning("uri type is not supported (%d).", profile.uri_type);
+                       continue;
+               }
+
+               break;
+       }
+
+       player->uri_info.uri_idx = uri_idx;
+       mm_attrs_set_string_by_name(player->attrs, "profile_uri", uri);
+
+
+       if (mmf_attrs_commit(player->attrs))
+       {
+               debug_error("failed to commit.\n");
+               goto ERROR;
+       }
+
+       debug_log("next uri %s (%d)\n", uri, uri_idx);
+
+       return TRUE;
+
+ERROR:
+
+       debug_error("unable to play next path. EOS will be posted soon.\n");
+       return FALSE;
+}
+
+static void
+__mmplayer_initialize_next_play(mm_player_t *player)
+{
+       int i;
+
+       MMPLAYER_FENTER();
+
+       player->needed_v_parser = FALSE;
+       player->smooth_streaming = FALSE;
+       player->videodec_linked = 0;
+       player->audiodec_linked = 0;
+       player->videosink_linked = 0;
+       player->audiosink_linked = 0;
+       player->textsink_linked = 0;
+       player->is_external_subtitle_present = FALSE;
+       player->not_supported_codec = MISSING_PLUGIN_NONE;
+       player->can_support_codec = FOUND_PLUGIN_NONE;
+       player->pending_seek.is_pending = FALSE;
+       player->pending_seek.format = MM_PLAYER_POS_FORMAT_TIME;
+       player->pending_seek.pos = 0;
+       player->msg_posted = FALSE;
+       player->has_many_types = FALSE;
+       player->no_more_pad = FALSE;
+       player->is_drm_file = FALSE;
+       player->not_found_demuxer = 0;
+       player->doing_seek = FALSE;
+       player->max_audio_channels = 0;
+       player->is_subtitle_force_drop = FALSE;
+       player->play_subtitle = FALSE;
+       player->use_textoverlay = FALSE;
+       player->adjust_subtitle_pos = 0;
+
+       player->updated_bitrate_count = 0;
+       player->total_bitrate = 0;
+       player->updated_maximum_bitrate_count = 0;
+       player->total_maximum_bitrate = 0;
+
+       for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++)
+       {
+               player->bitrate[i] = 0;
+               player->maximum_bitrate[i] = 0;
+       }
+
+       if (player->v_stream_caps)
+       {
+               gst_caps_unref(player->v_stream_caps);
+               player->v_stream_caps = NULL;
+       }
+
+       mm_attrs_set_int_by_name(player->attrs, "content_video_found", 0);
+       mm_attrs_set_int_by_name(player->attrs, "content_audio_found", 0);
+
+       /* clean found parsers */
+       if (player->parsers)
+       {
+               GList *parsers = player->parsers;
+               for ( ;parsers ; parsers = g_list_next(parsers))
+               {
+                       gchar *name = parsers->data;
+                       MMPLAYER_FREEIF(name);
+               }
+               g_list_free(player->parsers);
+               player->parsers = NULL;
+       }
+
+       /* clean found audio decoders */
+       if (player->audio_decoders)
+       {
+               GList *a_dec = player->audio_decoders;
+               for ( ;a_dec ; a_dec = g_list_next(a_dec))
+               {
+                       gchar *name = a_dec->data;
+                       MMPLAYER_FREEIF(name);
+               }
+               g_list_free(player->audio_decoders);
+               player->audio_decoders = NULL;
+       }
+
+       MMPLAYER_FLEAVE();
+}
+
+static void
+__mmplayer_activate_next_source(mm_player_t *player, GstState target)
+{
+       MMPlayerGstElement *mainbin = NULL;
+       MMMessageParamType msg_param = {0,};
+       GstElement *element = NULL;
+       MMHandleType attrs = 0;
+       char *uri = NULL;
+       enum MainElementID elemId = MMPLAYER_M_NUM;
+
+       MMPLAYER_FENTER();
+
+       if ((player->pipeline == NULL) ||
+               (player->pipeline->mainbin == NULL))
+       {
+               debug_error("player is null.\n");
+               goto ERROR;
+       }
+
+       mainbin = player->pipeline->mainbin;
+       msg_param.code = MM_ERROR_PLAYER_INTERNAL;
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+       {
+               debug_error("fail to get attributes.\n");
+               goto ERROR;
+       }
+
+       /* Initialize Player values */
+       __mmplayer_initialize_next_play(player);
+
+       mm_attrs_get_string_by_name(attrs, "profile_uri", &uri);
+
+       if (__mmfplayer_parse_profile((const char*)uri, NULL, &player->profile) != MM_ERROR_NONE)
+       {
+               debug_error("failed to parse profile\n");
+               msg_param.code = MM_ERROR_PLAYER_INVALID_URI;
+               goto ERROR;
+       }
+
+       if ((MMPLAYER_URL_HAS_DASH_SUFFIX(player)) ||
+               (MMPLAYER_URL_HAS_HLS_SUFFIX(player)))
+       {
+               debug_error("it's dash or hls. not support.");
+               msg_param.code = MM_ERROR_PLAYER_INVALID_URI;
+               goto ERROR;
+       }
+
+       /* setup source */
+       switch ( player->profile.uri_type )
+       {
+               /* file source */
+               case MM_PLAYER_URI_TYPE_FILE:
+               {
+
+#ifdef ENABLE_DRMSRC
+
+                       char* drmsrc = player->ini.name_of_drmsrc;
+
+                       debug_log("using [%s] for 'file://' handler.\n", drmsrc);
+
+                       element = gst_element_factory_make(drmsrc, "source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create %s\n", drmsrc);
+                               break;
+                       }
+#else
+                       debug_log("using filesrc for 'file://' handler.\n");
+
+                       element = gst_element_factory_make("filesrc", "source");
+
+                       if ( !element )
+                       {
+                               debug_error("failed to create filesrc\n");
+                               break;
+                       }
+#endif
+                       g_object_set(G_OBJECT(element), "location", (player->profile.uri)+7, NULL);     /* uri+7 -> remove "file:// */
+                       break;
+               }
+               case MM_PLAYER_URI_TYPE_URL_HTTP:
+               {
+                       gchar *user_agent, *proxy, *cookies, **cookie_list;
+                       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+                       user_agent = proxy = cookies = NULL;
+                       cookie_list = NULL;
+
+                       element = gst_element_factory_make(player->ini.name_of_httpsrc, "http_streaming_source");
+                       if ( !element )
+                       {
+                               debug_error("failed to create http streaming source element[%s].\n", player->ini.name_of_httpsrc);
+                               break;
+                       }
+                       debug_log("using http streamming source [%s].\n", player->ini.name_of_httpsrc);
+
+                       /* get attribute */
+                       mm_attrs_get_string_by_name ( attrs, "streaming_cookie", &cookies );
+                       mm_attrs_get_string_by_name ( attrs, "streaming_user_agent", &user_agent );
+                       mm_attrs_get_string_by_name ( attrs, "streaming_proxy", &proxy );
+                       mm_attrs_get_int_by_name ( attrs, "streaming_timeout", &http_timeout );
+
+                       if ((http_timeout == DEFAULT_HTTP_TIMEOUT) &&
+                               (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT))
+                       {
+                               debug_log("get timeout from ini\n");
+                               http_timeout = player->ini.http_timeout;
+                       }
+
+                       /* get attribute */
+                       secure_debug_log("location : %s\n", player->profile.uri);
+                       secure_debug_log("cookies : %s\n", cookies);
+                       secure_debug_log("proxy : %s\n", proxy);
+                       secure_debug_log("user_agent :  %s\n", user_agent);
+                       debug_log("timeout : %d\n", http_timeout);
+
+                       /* setting property to streaming source */
+                       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+                       g_object_set(G_OBJECT(element), "timeout", http_timeout, NULL);
+                       g_object_set(G_OBJECT(element), "blocksize", (unsigned long)(64*1024), NULL);
+
+                       /* check if prosy is vailid or not */
+                       if ( util_check_valid_url ( proxy ) )
+                               g_object_set(G_OBJECT(element), "proxy", proxy, NULL);
+                       /* parsing cookies */
+                       if ( ( cookie_list = util_get_cookie_list ((const char*)cookies) ) )
+                               g_object_set(G_OBJECT(element), "cookies", cookie_list, NULL);
+                       if ( user_agent )
+                               g_object_set(G_OBJECT(element), "user_agent", user_agent, NULL);
+                       break;
+               }
+               default:
+                       debug_error("not support uri type %d\n", player->profile.uri_type);
+                       break;
+       }
+
+       if ( !element )
+       {
+               debug_error("no source element was created.\n");
+               goto ERROR;
+       }
+
+       if (gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element) == FALSE)
+       {
+               debug_error("failed to add source element to pipeline\n");
+               gst_object_unref(GST_OBJECT(element));
+               element = NULL;
+               goto ERROR;
+       }
+
+       /* take source element */
+       mainbin[MMPLAYER_M_SRC].id = MMPLAYER_M_SRC;
+       mainbin[MMPLAYER_M_SRC].gst = element;
+
+       element = NULL;
+
+       if (MMPLAYER_IS_HTTP_STREAMING(player))
+       {
+               if (player->streamer == NULL)
+               {
+                       player->streamer = __mm_player_streaming_create();
+
+                       if(player->streamer == NULL)
+                       goto ERROR;
+
+                       __mm_player_streaming_initialize(player->streamer);
+               }
+
+               elemId = MMPLAYER_M_TYPEFIND;
+               element = gst_element_factory_make("typefind", "typefinder");
+               MMPLAYER_SIGNAL_CONNECT( player, element, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "have-type",
+                       G_CALLBACK(__mmplayer_typefind_have_type), (gpointer)player );
+       }
+       else
+       {
+               elemId = MMPLAYER_M_AUTOPLUG;
+               element = __mmplayer_create_decodebin(player);
+       }
+
+       /* check autoplug element is OK */
+       if ( ! element )
+       {
+               debug_error("can not create element (%d)\n", elemId);
+               goto ERROR;
+       }
+
+       if (gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element) == FALSE)
+       {
+               debug_error("failed to add sinkbin to pipeline\n");
+               gst_object_unref(GST_OBJECT(element));
+               element = NULL;
+               goto ERROR;
+       }
+
+       mainbin[elemId].id = elemId;
+       mainbin[elemId].gst = element;
+
+       if ( gst_element_link (mainbin[MMPLAYER_M_SRC].gst, mainbin[elemId].gst) == FALSE )
+       {
+               debug_error("Failed to link src - autoplug (or typefind)\n");
+               goto ERROR;
+       }
+
+       if (gst_element_set_state (mainbin[MMPLAYER_M_SRC].gst, target) == GST_STATE_CHANGE_FAILURE)
+       {
+               debug_error("Failed to change state of src element\n");
+               goto ERROR;
+       }
+
+       if (!MMPLAYER_IS_HTTP_STREAMING(player))
+       {
+               if (gst_element_set_state (mainbin[MMPLAYER_M_AUTOPLUG].gst, target) == GST_STATE_CHANGE_FAILURE)
+               {
+                       debug_error("Failed to change state of decodebin2\n");
+                       goto ERROR;
+               }
+       }
+       else
+       {
+               if (gst_element_set_state (mainbin[MMPLAYER_M_TYPEFIND].gst, target) == GST_STATE_CHANGE_FAILURE)
+               {
+                       debug_error("Failed to change state of src element\n");
+                       goto ERROR;
+               }
+       }
+
+       player->src_changed = TRUE;
+       MMPLAYER_FLEAVE();
+       return;
+
+ERROR:
+
+       MMPLAYER_PLAYBACK_UNLOCK(player);
+
+       if (!player->msg_posted)
+       {
+               MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg_param);
+               player->msg_posted = TRUE;
+       }
+       return;
+}
+
+static gboolean
+__mmplayer_deactivate_selector(mm_player_t *player, MMPlayerTrackType type)
+{
+       mm_player_selector_t *selector = &player->selector[type];
+       MMPlayerGstElement *sinkbin = NULL;
+       enum MainElementID selectorId = MMPLAYER_M_NUM;
+       enum MainElementID sinkId = MMPLAYER_M_NUM;
+       GstPad *srcpad = NULL;
+       GstPad *sinkpad = NULL;
+
+       MMPLAYER_FENTER();
+       return_val_if_fail (player, FALSE);
+
+       debug_log("type %d", type);
+
+       switch (type)
+       {
+               case MM_PLAYER_TRACK_TYPE_VIDEO:
+                       selectorId = MMPLAYER_M_V_INPUT_SELECTOR;
+                       sinkId = MMPLAYER_V_BIN;
+                       sinkbin = player->pipeline->videobin;
+               break;
+               case MM_PLAYER_TRACK_TYPE_AUDIO:
+                       selectorId = MMPLAYER_M_A_INPUT_SELECTOR;
+                       sinkId = MMPLAYER_A_BIN;
+                       sinkbin = player->pipeline->audiobin;
+               break;
+               case MM_PLAYER_TRACK_TYPE_TEXT:
+                       selectorId = MMPLAYER_M_T_INPUT_SELECTOR;
+                       sinkId = MMPLAYER_T_BIN;
+                       sinkbin = player->pipeline->textbin;
+               break;
+               default:
+                       debug_error("requested type is not supportable");
+                       return FALSE;
+               break;
+       }
+
+       if (player->pipeline->mainbin[selectorId].gst)
+       {
+               gint n;
+
+               srcpad = gst_element_get_static_pad(player->pipeline->mainbin[selectorId].gst, "src");
+
+               if ((sinkbin) && (sinkbin[sinkId].gst))
+               {
+                       sinkpad = gst_element_get_static_pad(sinkbin[sinkId].gst, "sink");
+
+                       if (srcpad && sinkpad)
+                       {
+                               /* after getting drained signal there is no data flows, so no need to do pad_block */
+                               debug_log("unlink %s:%s, %s:%s", GST_DEBUG_PAD_NAME(srcpad), GST_DEBUG_PAD_NAME(sinkpad));
+                               gst_pad_unlink (srcpad, sinkpad);
+                       }
+
+                       gst_object_unref (sinkpad);
+                       sinkpad = NULL;
+               }
+               gst_object_unref (srcpad);
+               srcpad = NULL;
+
+               debug_log("selector release");
+               if(selector->channels)
+               {
+                       debug_log("release and unref request pads");
+
+                       /* release and unref requests pad from the selector */
+                       for (n = 0; n < selector->channels->len; n++)
+                       {
+                               GstPad *sinkpad = g_ptr_array_index (selector->channels, n);
+                               gst_element_release_request_pad ((player->pipeline->mainbin[selectorId].gst), sinkpad);
+                       }
+                       g_ptr_array_set_size (selector->channels, 0);
+               }
+               gst_element_set_state (player->pipeline->mainbin[selectorId].gst, GST_STATE_NULL);
+               gst_bin_remove (GST_BIN_CAST (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), player->pipeline->mainbin[selectorId].gst);
+
+               player->pipeline->mainbin[selectorId].gst = NULL;
+               selector = NULL;
+       }
+
+       return TRUE;
+}
+
+static void
+__mmplayer_deactivate_old_path(mm_player_t *player)
+{
+       MMPLAYER_FENTER();
+       return_if_fail ( player );
+
+       g_object_set(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_DEC1].gst), "remove-buffer-signal", TRUE, NULL);
+
+       if ((!__mmplayer_deactivate_selector(player, MM_PLAYER_TRACK_TYPE_VIDEO)) ||
+               (!__mmplayer_deactivate_selector(player, MM_PLAYER_TRACK_TYPE_AUDIO)) ||
+               (!__mmplayer_deactivate_selector(player, MM_PLAYER_TRACK_TYPE_TEXT)))
+       {
+               debug_error("deactivate selector error");
+               goto ERROR;
+       }
+
+       __mmplayer_release_signal_connection( player, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG );
+
+       if (player->streamer)
+       {
+               __mm_player_streaming_deinitialize (player->streamer);
+               __mm_player_streaming_destroy(player->streamer);
+               player->streamer = NULL;
+       }
+
+       MMPLAYER_PLAYBACK_LOCK(player);
+       g_cond_signal( player->next_play_thread_cond );
+
+       MMPLAYER_FLEAVE();
+       return;
+
+ERROR:
+
+       if (!player->msg_posted)
+       {
+               MMMessageParamType msg = {0,};
+
+               /*post error*/
+               msg.code = MM_ERROR_PLAYER_INTERNAL;
+               debug_error("next_uri_play> deactivate error");
+
+               MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg);
+               player->msg_posted = TRUE;
+       }
+       return;
+}
+
+int _mmplayer_set_uri(MMHandleType hplayer, const char* uri)
+{
+       int result = MM_ERROR_NONE;
+       mm_player_t* player = (mm_player_t*) hplayer;
+       MMPLAYER_FENTER();
+
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       mm_attrs_set_string_by_name(player->attrs, "profile_uri", uri);
+       if (mmf_attrs_commit(player->attrs))
+       {
+               debug_error("failed to commit the original uri.\n");
+               result = MM_ERROR_PLAYER_INTERNAL;
+       }
+       else
+       {
+               if (_mmplayer_set_next_uri(hplayer, uri, TRUE) != MM_ERROR_NONE)
+               {
+                       debug_error("failed to add the original uri in the uri list.\n");
+               }
+       }
+
+       MMPLAYER_FLEAVE();
+       return result;
+}
+
+int _mmplayer_set_next_uri(MMHandleType hplayer, const char* uri, bool is_first_path)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+       guint num_of_list = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       return_val_if_fail (uri, MM_ERROR_INVALID_ARGUMENT);
+
+       if (player->pipeline && player->pipeline->textbin)
+       {
+               debug_error("subtitle path is enabled.\n");
+               return MM_ERROR_PLAYER_INVALID_STATE;
+       }
+
+       num_of_list = g_list_length(player->uri_info.uri_list);
+
+       if (is_first_path == TRUE)
+       {
+               if (num_of_list == 0)
+               {
+                       player->uri_info.uri_list = g_list_append(player->uri_info.uri_list, g_strdup(uri));
+                       debug_log("add original path : %s", uri);
+               }
+               else
+               {
+                       player->uri_info.uri_list = g_list_delete_link(player->uri_info.uri_list, g_list_nth(player->uri_info.uri_list, 0));
+                       player->uri_info.uri_list = g_list_insert(player->uri_info.uri_list, g_strdup(uri), 0);
+
+                       debug_log("change original path : %s", uri);
+               }
+       }
+       else
+       {
+               if (num_of_list == 0)
+               {
+                       MMHandleType attrs = 0;
+                       char *original_uri = NULL;
+
+                       attrs = MMPLAYER_GET_ATTRS(player);
+                       if ( attrs )
+                       {
+                               mm_attrs_get_string_by_name(attrs, "profile_uri", &original_uri);
+
+                               if (!original_uri)
+                               {
+                                       debug_error("there is no original uri.");
+                                       return MM_ERROR_PLAYER_INVALID_STATE;
+                               }
+
+                               player->uri_info.uri_list = g_list_append(player->uri_info.uri_list, g_strdup(original_uri));
+                               player->uri_info.uri_idx = 0;
+
+                               debug_log("add original path at first : %s (%d)", original_uri);
+                       }
+               }
+
+               player->uri_info.uri_list = g_list_append(player->uri_info.uri_list, g_strdup(uri));
+               debug_log("add new path : %s (total num of list = %d)", uri, g_list_length(player->uri_info.uri_list));
+       }
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+}
+
+int _mmplayer_get_next_uri(MMHandleType hplayer, char** uri)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+       char *next_uri = NULL;
+       guint num_of_list = 0;
+
+       MMPLAYER_FENTER();
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       num_of_list = g_list_length(player->uri_info.uri_list);
+
+       if (num_of_list > 0)
+       {
+               gint uri_idx = player->uri_info.uri_idx;
+
+               if ( uri_idx < num_of_list-1 )
+                       uri_idx++;
+               else
+                       uri_idx = 0;
+
+               next_uri = g_list_nth_data(player->uri_info.uri_list, uri_idx);
+               debug_error("next uri idx : %d, uri = %s\n", uri_idx, next_uri);
+
+               *uri = g_strdup(next_uri);
+       }
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+}
+
+static void
+__mmplayer_gst_decode_unknown_type(GstElement *elem,  GstPad* pad,
+GstCaps *caps, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       const gchar* klass = NULL;
+       const gchar* mime = NULL;
+       gchar* caps_str = NULL;
+
+       klass = gst_element_factory_get_klass (gst_element_get_factory(elem));
+       mime = gst_structure_get_name (gst_caps_get_structure(caps, 0));
+       caps_str = gst_caps_to_string(caps);
+
+       debug_warning("unknown type of caps : %s from %s",
+                                       caps_str, GST_ELEMENT_NAME (elem));
+
+       MMPLAYER_FREEIF(caps_str);
+
+       /* There is no available codec. */
+       __mmplayer_check_not_supported_codec (player, klass, mime);
+}
+
+static gboolean
+__mmplayer_gst_decode_autoplug_continue(GstElement *bin,  GstPad* pad,
+GstCaps * caps,  gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       const char* mime = NULL;
+       gboolean ret = TRUE;
+
+       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+       mime = gst_structure_get_name (gst_caps_get_structure(caps, 0));
+
+       if (g_str_has_prefix(mime, "audio")) {
+               GstStructure* caps_structure = NULL;
+               gint samplerate = 0;
+               gint channels = 0;
+               gchar *caps_str = NULL;
+
+               caps_structure = gst_caps_get_structure(caps, 0);
+               gst_structure_get_int (caps_structure, "rate", &samplerate);
+               gst_structure_get_int (caps_structure, "channels", &channels);
+
+               if ( (channels > 0 && samplerate == 0)) {
+                       debug_log("exclude audio...");
+                       ret = FALSE;
+               }
+
+               caps_str = gst_caps_to_string(caps);
+               /* set it directly because not sent by TAG */
+               if (g_strrstr(caps_str, "mobile-xmf")) {
+                       mm_attrs_set_string_by_name(player->attrs, "content_audio_codec", "mobile-xmf");
+               }
+               MMPLAYER_FREEIF (caps_str);
+       } else if (g_str_has_prefix(mime, "video") && player->videodec_linked) {
+               debug_log("already video linked");
+               ret = FALSE;
+       } else {
+               debug_log("found new stream");
+       }
+
+       return ret;
+}
+
+static gint
+__mmplayer_gst_decode_autoplug_select(GstElement *bin,  GstPad* pad,
+GstCaps* caps, GstElementFactory* factory, gpointer data)
+{
+       /* NOTE : GstAutoplugSelectResult is defined in gstplay-enum.h but not exposed
+        We are defining our own and will be removed when it actually exposed */
+       typedef enum {
+               GST_AUTOPLUG_SELECT_TRY,
+               GST_AUTOPLUG_SELECT_EXPOSE,
+               GST_AUTOPLUG_SELECT_SKIP
+       } GstAutoplugSelectResult;
+
+       GstAutoplugSelectResult result = GST_AUTOPLUG_SELECT_TRY;
+       mm_player_t* player = (mm_player_t*)data;
+
+       gchar* factory_name = NULL;
+       gchar* caps_str = NULL;
+       const gchar* klass = NULL;
+       gint idx = 0;
+
+       factory_name = GST_PLUGIN_FEATURE_NAME (factory);
+       klass = gst_element_factory_get_klass(factory);
+       caps_str = gst_caps_to_string(caps);
+
+//     debug_log("found new element [%s] to link for caps [%s]", factory_name, caps_str);
+       debug_log("found new element [%s] to link", factory_name);
+
+       /* store type string */
+       if (player->type == NULL)
+       {
+               player->type = gst_caps_to_string(caps);
+
+               /* midi type should be stored because it will be used to set audio gain in avsysaudiosink */
+               if (__mmplayer_is_midi_type(player->type))
+               {
+                       player->profile.play_mode = MM_PLAYER_MODE_MIDI;
+                       player->bypass_audio_effect = TRUE;
+               }
+               else if (g_strrstr(player->type, "application/x-hls"))
+               {
+                       /* If it can't know exact type when it parses uri because of redirection case,
+                        * it will be fixed by typefinder here.
+                        */
+                       player->profile.uri_type = MM_PLAYER_URI_TYPE_HLS;
+               }
+               else if (g_strrstr(player->type, "application/dash+xml"))
+               {
+                       player->profile.uri_type = MM_PLAYER_URI_TYPE_DASH;
+               }
+       }
+
+       /* filtering exclude keyword */
+       for ( idx = 0; player->ini.exclude_element_keyword[idx][0] != '\0'; idx++ )
+       {
+               if ( strstr(factory_name, player->ini.exclude_element_keyword[idx] ) )
+               {
+                       debug_warning("skipping [%s] by exculde keyword [%s]\n",
+                       factory_name, player->ini.exclude_element_keyword[idx] );
+
+                       // NOTE : does we need to check n_value against the number of item selected?
+                       result = GST_AUTOPLUG_SELECT_SKIP;
+                       goto DONE;
+               }
+       }
+
+       /* check factory class for filtering */
+       /* NOTE : msl don't need to use image plugins.
+        * So, those plugins should be skipped for error handling.
+        */
+       if (g_strrstr(klass, "Codec/Decoder/Image"))
+       {
+               debug_log("skipping [%s] by not required\n", factory_name);
+               result = GST_AUTOPLUG_SELECT_SKIP;
+               goto DONE;
+       }
+
+       if (g_strrstr(factory_name, "mpegpsdemux"))
+       {
+               debug_log("skipping PS container - not support\n");
+               result = GST_AUTOPLUG_SELECT_SKIP;
+               goto DONE;
+       }
+
+       if (g_strrstr(factory_name, "mpegtsdemux") || g_strrstr(factory_name, "ssdemux"))
+       {
+               if (g_strrstr(factory_name, "ssdemux"))
+                       player->smooth_streaming = TRUE;
+
+               if (g_strrstr(caps_str, "video/x-h264"))
+               {
+                       player->needed_v_parser = TRUE;
+               }
+               else if (g_strrstr(caps_str, "video/mpeg"))
+               {
+                       player->needed_v_parser = TRUE;
+               }
+       }
+
+       /* check ALP Codec can be used or not */
+       if ((g_strrstr(klass, "Codec/Decoder/Audio")))
+       {
+               GstStructure* str = NULL;
+               gint channels = 0;
+
+               str = gst_caps_get_structure( caps, 0 );
+               if ( str )
+               {
+                       gst_structure_get_int (str, "channels", &channels);
+
+                       debug_log ("check audio ch : %d %d\n", player->max_audio_channels, channels);
+                       if (player->max_audio_channels < channels)
+                       {
+                               player->max_audio_channels = channels;
+                       }
+               }
+
+               if (!player->audiodec_linked)
+               {
+                       /* set stream information */
+                       __mmplayer_set_audio_attrs (player, caps);
+               }
+       }
+       else if ((g_strrstr(klass, "Codec/Decoder/Video")))
+       {
+               if (g_strrstr(factory_name, "omx_"))
+               {
+                       char *env = getenv ("MM_PLAYER_HW_CODEC_DISABLE");
+                       if (env != NULL)
+                       {
+                               if (strncasecmp(env, "yes", 3) == 0)
+                               {
+                                       debug_log ("skipping [%s] by disabled\n", factory_name);
+                                       result = GST_AUTOPLUG_SELECT_SKIP;
+                                       goto DONE;
+                               }
+                       }
+               }
+       }
+
+       if ((g_strrstr(klass, "Codec/Parser/Converter/Video")) ||
+               (g_strrstr(klass, "Codec/Decoder/Video")))
+       {
+               gint stype = 0;
+               gint width = 0;
+               GstStructure *str = NULL;
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &stype);
+
+               /* don't make video because of not required */
+               if (stype == MM_DISPLAY_SURFACE_NULL)
+               {
+                       debug_log ("no video because it's not required. -> return expose");
+                       if (player->set_mode.media_packet_video_stream == FALSE)
+                       {
+                               result = GST_AUTOPLUG_SELECT_EXPOSE;
+                               goto DONE;
+                       }
+               }
+
+               /* get w/h for omx state-tune */
+               str = gst_caps_get_structure (caps, 0);
+               gst_structure_get_int (str, "width", &width);
+
+               if (width != 0) {
+                       #define UHD_SIZE 3840*2160
+                       gint height = 0;
+                       gst_structure_get_int (str, "height", &height);
+
+                       if (player->v_stream_caps) {
+                               gst_caps_unref(player->v_stream_caps);
+                               player->v_stream_caps = NULL;
+                       }
+
+                       player->v_stream_caps = gst_caps_copy(caps);
+                       debug_log ("take caps for video state tune");
+                       MMPLAYER_LOG_GST_CAPS_TYPE(player->v_stream_caps);
+
+                       /* check video resolution */
+                       if (width*height == UHD_SIZE) {
+                               if ((util_is_miracast_connected()) && (player->msg_posted == FALSE)) {
+                                       MMMessageParamType msg = {0,};
+                                       /*post error*/
+                                       msg.code = MM_ERROR_PLAYER_RESOURCE_LIMIT;
+                                       debug_error("can't play in miracast");
+                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg);
+                                       player->msg_posted = TRUE;
+                               }
+                       }
+               }
+       }
+    if ((g_strrstr(klass, "Codec/Parser/Audio")))
+    {
+               if (player->smooth_streaming && (g_strrstr(caps_str, "audio/mpeg")))
+               {
+                       debug_log ("ssdemux can't use audio parse");
+                       result = GST_AUTOPLUG_SELECT_SKIP;
+                       goto DONE;
+               }
+
+    }
+
+       if (g_strrstr(klass, "Decoder"))
+       {
+               const char* mime = NULL;
+               mime = gst_structure_get_name (gst_caps_get_structure(caps, 0));
+
+               if (g_str_has_prefix(mime, "video"))
+               {
+                       // __mmplayer_check_video_zero_cpoy(player, factory);
+
+                       player->not_supported_codec &= MISSING_PLUGIN_AUDIO;
+                       player->can_support_codec |= FOUND_PLUGIN_VIDEO;
+
+                       player->videodec_linked = 1;
+               }
+               else if(g_str_has_prefix(mime, "audio"))
+               {
+                       player->not_supported_codec &= MISSING_PLUGIN_VIDEO;
+                       player->can_support_codec |= FOUND_PLUGIN_AUDIO;
+
+                       player->audiodec_linked = 1;
+               }
+       }
+
+DONE:
+       MMPLAYER_FREEIF(caps_str);
+
+       return result;
+}
+
+
+#if 0
+static GValueArray*
+__mmplayer_gst_decode_autoplug_factories(GstElement *bin,  GstPad* pad,
+GstCaps * caps,  gpointer data)
+{
+       //mm_player_t* player = (mm_player_t*)data;
+
+       debug_log("decodebin is requesting factories for caps [%s] from element[%s]",
+               gst_caps_to_string(caps),
+               GST_ELEMENT_NAME(GST_PAD_PARENT(pad)));
+
+       return NULL;
+}
+#endif
+
+static GValueArray*
+__mmplayer_gst_decode_autoplug_sort(GstElement *bin,  GstPad* pad,
+GstCaps* caps, GValueArray* factories, gpointer data) // @
+{
+#define DEFAULT_IDX 0xFFFF
+
+       guint idx = 0;
+       guint a_omx_idx = DEFAULT_IDX;
+       guint a_dec_idx = DEFAULT_IDX;
+       guint v_dec_idx = DEFAULT_IDX;
+       guint v_parser_idx = DEFAULT_IDX;
+       guint new_pos = DEFAULT_IDX;
+       guint elem_idx = DEFAULT_IDX;
+
+       GValueArray* new_factories = NULL;
+       GValue val = { 0, };
+
+       GstElementFactory *factory = NULL;
+       const gchar* klass = NULL;
+       gchar* factory_name = NULL;
+       gchar* caps_str = NULL;
+
+       mm_player_t* player = (mm_player_t*)data;
+       caps_str = gst_caps_to_string(caps);
+
+       //debug_log("autoplug-sort signal [num: %d]\n", factories->n_values);
+       debug_log("requesting custom sorting for the factories for caps [%s]", caps_str);
+
+       MMPLAYER_FREEIF(caps_str);
+
+       for(idx=0; idx < factories->n_values;idx++)
+       {
+               factory =       g_value_get_object (g_value_array_get_nth (factories, idx));
+
+               klass = gst_element_factory_get_klass(factory);
+               factory_name = GST_PLUGIN_FEATURE_NAME (factory);
+
+               //debug_log("Klass [%s] Factory [%s]\n", klass, factory_name);
+
+               if (g_strrstr(klass, "Codec/Decoder/Audio"))
+               {
+                       if (a_dec_idx == DEFAULT_IDX)
+                               a_dec_idx = idx;
+
+                       /* check ALP Codec can be used or not */
+                       if ((a_omx_idx == DEFAULT_IDX) &&
+                               (g_strrstr(factory_name, "omx_mp3dec")) &&
+                               (__mmplayer_is_omx_decoder_type(player)))
+                       {
+                               debug_log("--> mp3_local : Priority of omx is higher than the others\n");
+                               a_omx_idx = idx;
+                               break;
+                       }
+               }
+               else if ((v_dec_idx == DEFAULT_IDX) && (g_strrstr(klass, "Codec/Decoder/Video")))
+               {
+                       v_dec_idx = idx;
+               }
+
+               if ((v_parser_idx == DEFAULT_IDX) &&
+                       (((player->smooth_streaming) &&
+                         (g_strrstr(factory_name, "legacyh264parse"))) ||
+                        // (g_strrstr(factory_name, "h264parse")) ||
+                        (g_strrstr(factory_name, "mpeg4videoparse"))))
+               {
+                       v_parser_idx = idx;
+               }
+       }
+
+       if (player->needed_v_parser || player->smooth_streaming)
+       {
+               debug_log("needed parser? %s, ss? %s\n",
+                                       (player->needed_v_parser)?"OO":"XX",
+                                       (player->smooth_streaming)?"OO":"XX");
+       }
+
+       new_pos = (a_dec_idx!=DEFAULT_IDX)?(a_dec_idx):((player->needed_v_parser)?(v_dec_idx):(v_parser_idx));
+       elem_idx = (a_omx_idx!=DEFAULT_IDX)?(a_omx_idx):((player->needed_v_parser)?(v_parser_idx):(v_dec_idx));
+
+       /* consider file mp3 audio only */
+       if ((elem_idx != DEFAULT_IDX) && (new_pos < elem_idx))
+       {
+               debug_log("[Re-arrange] factories sequence, new_pos : %d, elem_idx : %d\n", new_pos, elem_idx);
+
+               new_factories = g_value_array_copy (factories);
+
+               // insert omx decoder in front of other decoders
+               factory = g_value_get_object (g_value_array_get_nth (factories, elem_idx));
+
+               g_value_init (&val, G_TYPE_OBJECT);
+               g_value_set_object (&val, factory);
+               g_value_array_insert (new_factories, new_pos, &val);
+               g_value_unset (&val);
+
+               // remove duplicated omx element
+               g_value_array_remove(new_factories, elem_idx+1);
+
+               for(idx=0; idx < new_factories->n_values;idx++)
+               {
+                       factory = g_value_get_object (g_value_array_get_nth (new_factories, idx));
+
+                       debug_log("[Re-arranged] Klass [%s] Factory [%s]\n",
+                               gst_element_factory_get_klass(factory), GST_PLUGIN_FEATURE_NAME (factory));
+               }
+       }
+
+       /* returning NULL to keep current order */
+       return (new_factories)?(new_factories):(NULL);
+}
+
+static void
+__mmplayer_gst_decode_pad_removed(GstElement *elem,  GstPad* new_pad,
+gpointer data) // @
+{
+       //mm_player_t* player = (mm_player_t*)data;
+       GstCaps* caps = NULL;
+
+       debug_log("[Decodebin2] pad-removed signal\n");
+
+       caps = gst_pad_get_caps(new_pad);
+       if (caps)
+       {
+               gchar* caps_str = NULL;
+               caps_str = gst_caps_to_string(caps);
+
+               debug_log("pad removed caps : %s from %s", caps_str, GST_ELEMENT_NAME(elem) );
+
+               MMPLAYER_FREEIF(caps_str);
+       }
+}
+
+static void
+__mmplayer_gst_decode_drained(GstElement *bin, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+
+       MMPLAYER_FENTER();
+       return_if_fail ( player );
+
+       debug_log("__mmplayer_gst_decode_drained");
+
+       if (player->use_deinterleave == TRUE)
+       {
+               debug_log("group playing mode.");
+               return;
+       }
+
+       if ( !player->cmd_lock )
+       {
+               debug_warning("can't get cmd lock\n");
+               return;
+       }
+
+       if (!g_mutex_trylock(player->cmd_lock))
+       {
+               debug_warning("Fail to get cmd lock");
+               return;
+       }
+
+       if (!__mmplayer_verify_next_play_path(player))
+       {
+               debug_log("decoding is finished.");
+               g_mutex_unlock(player->cmd_lock);
+               return;
+       }
+
+       player->pp_rebuilding = TRUE;
+
+       /* deactivate pipeline except sinkbins to set up the new pipeline of next uri*/
+       __mmplayer_deactivate_old_path(player);
+
+       g_mutex_unlock(player->cmd_lock);
+
+       MMPLAYER_FLEAVE();
+}
+
+static void
+__mmplayer_gst_element_added (GstElement *bin, GstElement *element, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*)data;
+       const gchar* klass = NULL;
+       gchar* factory_name = NULL;
+
+       klass = gst_element_factory_get_klass (gst_element_get_factory(element));
+       factory_name = GST_PLUGIN_FEATURE_NAME (gst_element_get_factory(element));
+
+       debug_log("new elem klass: %s, factory_name: %s, new elem name : %s\n", klass, factory_name, GST_ELEMENT_NAME(element));
+
+       if (__mmplayer_add_dump_buffer_probe(player, element))
+               debug_log("add buffer probe");
+
+       //<-
+       if (g_strrstr(klass, "Codec/Decoder/Audio"))
+       {
+               gchar* selected = NULL;
+               selected = g_strdup( GST_ELEMENT_NAME(element));
+               player->audio_decoders = g_list_append (player->audio_decoders, selected);
+       }
+       //-> temp code
+
+       if (g_strrstr(klass, "Parser"))
+       {
+               gchar* selected = NULL;
+
+               selected = g_strdup (factory_name);
+               player->parsers = g_list_append (player->parsers, selected);
+       }
+
+       if (g_strrstr(klass, "Demux") || g_strrstr(klass, "Parse"))
+       {
+               /* FIXIT : first value will be overwritten if there's more
+                * than 1 demuxer/parser
+                */
+
+               //debug_log ("plugged element is demuxer. take it\n");
+               player->pipeline->mainbin[MMPLAYER_M_DEMUX].id = MMPLAYER_M_DEMUX;
+               player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst = element;
+
+               /*Added for multi audio support */ // Q. del?
+               if (g_strrstr(klass, "Demux"))
+               {
+                       player->pipeline->mainbin[MMPLAYER_M_DEMUX_EX].id = MMPLAYER_M_DEMUX_EX;
+                       player->pipeline->mainbin[MMPLAYER_M_DEMUX_EX].gst = element;
+               }
+       }
+
+       if (g_strrstr(factory_name, "asfdemux") || g_strrstr(factory_name, "qtdemux") || g_strrstr(factory_name, "avidemux"))
+       {
+               int surface_type = 0;
+
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &surface_type);
+
+               /* playback protection if drm file */
+               if (player->use_video_stream || surface_type == MM_DISPLAY_SURFACE_EVAS || surface_type == MM_DISPLAY_SURFACE_X_EXT)
+               {
+                       debug_log("playback can be protected if playready drm");
+                       g_object_set (G_OBJECT(element), "playback-protection", TRUE, NULL);
+               }
+       }
+
+       // to support trust-zone only
+       if (g_strrstr(factory_name, "asfdemux"))
+       {
+               debug_log ("set file-location %s\n", player->profile.uri);
+               g_object_set (G_OBJECT(element), "file-location", player->profile.uri, NULL);
+
+               if (player->video_hub_download_mode == TRUE)
+               {
+                       g_object_set (G_OBJECT(element), "downloading-mode", player->video_hub_download_mode, NULL);
+               }
+       }
+       else if (g_strrstr(factory_name, "legacyh264parse"))    // ssdemux
+       {
+               debug_log ("[ssdemux] output-format to legacyh264parse\n");
+               g_object_set (G_OBJECT(element), "output-format", 1, NULL); /* NALU/Byte Stream format */
+       }
+       else if (g_strrstr(factory_name, "mpegaudioparse"))
+       {
+               if ((MMPLAYER_IS_HTTP_STREAMING(player)) &&
+                       (__mmplayer_is_only_mp3_type(player->type)))
+               {
+                       debug_log ("[mpegaudioparse] set streaming pull mode.");
+                       g_object_set(G_OBJECT(element), "http-pull-mp3dec", TRUE, NULL);
+               }
+       }
+       else if (g_strrstr(factory_name, "omx_"))
+       {
+               if (g_strrstr(klass, "Codec/Decoder/Video"))
+               {
+                       gboolean ret = FALSE;
+
+                       if (player->v_stream_caps != NULL)
+                       {
+                               GstPad *pad = gst_element_get_static_pad(element, "sink");
+
+                               if (pad)
+                               {
+                                       ret = gst_pad_set_caps(pad, player->v_stream_caps);
+                                       debug_log("found omx decoder, setting gst_pad_set_caps for omx (ret:%d)", ret);
+                                       MMPLAYER_LOG_GST_CAPS_TYPE(player->v_stream_caps);
+                                       gst_object_unref (pad);
+                               }
+                       }
+                       g_object_set (G_OBJECT(element), "state-tuning", TRUE, NULL);
+               }
+#ifdef _MM_PLAYER_ALP_PARSER
+               if (g_strrstr(factory_name, "omx_mp3dec"))
+               {
+                       g_list_foreach (player->parsers, check_name, player);
+               }
+#endif
+               player->pipeline->mainbin[MMPLAYER_M_DEC1].gst = element;
+       }
+
+       if (g_strrstr(GST_ELEMENT_NAME(element), "multiqueue"))
+       {
+               debug_log ("plugged element is multiqueue. take it\n");
+               player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].id = MMPLAYER_M_DEMUXED_S_BUFFER;
+               player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst = element;
+
+               if (MMPLAYER_IS_HTTP_STREAMING(player))
+               {
+                       __mm_player_streaming_set_multiqueue(player->streamer,
+                               element,
+                               TRUE,
+                               MAX_DECODEBIN_BUFFER_BYTES, // player->ini.http_max_size_bytes,
+                               player->ini.http_buffering_time,
+                               1.0,
+                               player->ini.http_buffering_limit);
+
+                       __mm_player_streaming_sync_property(player->streamer, player->pipeline->mainbin[MMPLAYER_M_AUTOPLUG].gst);
+               }
+       }
+
+       MMPLAYER_GENERATE_DOT_IF_ENABLED ( player, "pipeline-status-added" );
+       return;
+}
+
+static gboolean __mmplayer_configure_audio_callback(mm_player_t* player)
+{
+       MMPLAYER_FENTER();
+       return_val_if_fail ( player, FALSE );
+
+       if ( MMPLAYER_IS_STREAMING(player) )
+               return FALSE;
+
+       /* This callback can be set to music player only. */
+       if((player->can_support_codec & 0x02) == FOUND_PLUGIN_VIDEO)
+       {
+               debug_warning("audio callback is not supported for video");
+               return FALSE;
+       }
+
+       if (player->audio_stream_cb)
+       {
+               {
+                       GstPad *pad = NULL;
+
+                       pad = gst_element_get_static_pad (player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "sink");
+
+                       if ( !pad )
+                       {
+                               debug_error("failed to get sink pad from audiosink to probe data\n");
+                               return FALSE;
+                       }
+
+                       player->audio_cb_probe_id = gst_pad_add_buffer_probe (pad,
+                               G_CALLBACK (__mmplayer_audio_stream_probe), player);
+
+                       gst_object_unref (pad);
+
+                       pad = NULL;
+              }
+       }
+       else
+       {
+               debug_error("There is no audio callback to configure.\n");
+               return FALSE;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+}
+
+static void
+__mmplayer_init_factories(mm_player_t* player) // @
+{
+       return_if_fail ( player );
+
+       player->factories = gst_registry_feature_filter(gst_registry_get_default(),
+                                        (GstPluginFeatureFilter)__mmplayer_feature_filter, FALSE, NULL);
+       player->factories = g_list_sort(player->factories, (GCompareFunc)util_factory_rank_compare);
+}
+
+static void
+__mmplayer_release_factories(mm_player_t* player) // @
+{
+       MMPLAYER_FENTER();
+       return_if_fail ( player );
+
+       if (player->factories)
+       {
+               gst_plugin_feature_list_free (player->factories);
+               player->factories = NULL;
+       }
+
+       MMPLAYER_FLEAVE();
+}
+
+static void
+__mmplayer_release_misc(mm_player_t* player)
+{
+       int i;
+       gboolean cur_mode = player->set_mode.rich_audio;
+       MMPLAYER_FENTER();
+
+       return_if_fail ( player );
+
+       player->use_video_stream = FALSE;
+       player->video_stream_cb = NULL;
+       player->video_stream_cb_user_param = NULL;
+
+       player->audio_stream_cb = NULL;
+       player->audio_stream_cb_user_param = NULL;
+
+       player->sent_bos = FALSE;
+       player->playback_rate = DEFAULT_PLAYBACK_RATE;
+
+       player->doing_seek = FALSE;
+
+       player->updated_bitrate_count = 0;
+       player->total_bitrate = 0;
+       player->updated_maximum_bitrate_count = 0;
+       player->total_maximum_bitrate = 0;
+
+       player->not_found_demuxer = 0;
+
+       player->last_position = 0;
+       player->duration = 0;
+       player->http_content_size = 0;
+       player->not_supported_codec = MISSING_PLUGIN_NONE;
+       player->can_support_codec = FOUND_PLUGIN_NONE;
+       player->pending_seek.is_pending = FALSE;
+       player->pending_seek.format = MM_PLAYER_POS_FORMAT_TIME;
+       player->pending_seek.pos = 0;
+       player->msg_posted = FALSE;
+       player->has_many_types = FALSE;
+       player->is_drm_file = FALSE;
+       player->max_audio_channels = 0;
+       player->video_share_api_delta = 0;
+       player->video_share_clock_delta = 0;
+       player->sm.keep_last_pos = FALSE;
+       player->display_stat = MMPLAYER_DISPLAY_STATUS_NULL;
+       player->is_subtitle_force_drop = FALSE;
+       player->play_subtitle = FALSE;
+       player->use_textoverlay = FALSE;
+       player->adjust_subtitle_pos = 0;
+       player->last_multiwin_status = FALSE;
+       player->has_closed_caption = FALSE;
+       player->set_mode.media_packet_video_stream = FALSE;
+
+       memset(&player->set_mode, 0, sizeof(MMPlayerSetMode));
+       /* recover mode */
+       player->set_mode.rich_audio = cur_mode;
+
+       for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++)
+       {
+               player->bitrate[i] = 0;
+               player->maximum_bitrate[i] = 0;
+       }
+
+       /* free memory related to audio effect */
+       MMPLAYER_FREEIF(player->audio_effect_info.custom_ext_level_for_plugin);
+
+       if (player->state_tune_caps)
+       {
+               gst_caps_unref(player->state_tune_caps);
+               player->state_tune_caps = NULL;
+       }
+
+       if (player->video_cb_probe_id)
+       {
+               GstPad *pad = NULL;
+
+               pad = gst_element_get_static_pad (player->video_fakesink, "sink");
+
+               if (pad) {
+                       debug_log("release video probe\n");
+
+                       /* release audio callback */
+                       gst_pad_remove_buffer_probe (pad, player->video_cb_probe_id);
+                       player->video_cb_probe_id = 0;
+                       player->video_stream_cb = NULL;
+                       player->video_stream_cb_user_param = NULL;
+               }
+       }
+
+       MMPLAYER_FLEAVE();
+}
+
+static void
+__mmplayer_release_misc_post(mm_player_t* player)
+{
+       char *original_uri = NULL;
+       MMPLAYER_FENTER();
+
+       /* player->pipeline is already released before. */
+
+       return_if_fail ( player );
+
+       mm_attrs_set_int_by_name(player->attrs, "content_video_found", 0);
+       mm_attrs_set_int_by_name(player->attrs, "content_audio_found", 0);
+
+       /* clean found parsers */
+       if (player->parsers)
+       {
+               GList *parsers = player->parsers;
+               for ( ;parsers ; parsers = g_list_next(parsers))
+               {
+                       gchar *name = parsers->data;
+                       MMPLAYER_FREEIF(name);
+               }
+               g_list_free(player->parsers);
+               player->parsers = NULL;
+       }
+
+       /* clean found audio decoders */
+       if (player->audio_decoders)
+       {
+               GList *a_dec = player->audio_decoders;
+               for ( ;a_dec ; a_dec = g_list_next(a_dec))
+               {
+                       gchar *name = a_dec->data;
+                       MMPLAYER_FREEIF(name);
+               }
+               g_list_free(player->audio_decoders);
+               player->audio_decoders = NULL;
+       }
+
+       /* clean the uri list except original uri */
+       if (player->uri_info.uri_list)
+       {
+               original_uri = g_list_nth_data(player->uri_info.uri_list, 0);
+
+               if (player->attrs)
+               {
+                       mm_attrs_set_string_by_name(player->attrs, "profile_uri", original_uri);
+                       debug_log("restore original uri = %s\n", original_uri);
+
+                       if (mmf_attrs_commit(player->attrs))
+                       {
+                               debug_error("failed to commit the original uri.\n");
+                       }
+               }
+
+               GList *uri_list = player->uri_info.uri_list;
+               for ( ;uri_list ; uri_list = g_list_next(uri_list))
+               {
+                       gchar *uri = uri_list->data;
+                       MMPLAYER_FREEIF(uri);
+               }
+               g_list_free(player->uri_info.uri_list);
+               player->uri_info.uri_list = NULL;
+       }
+
+       player->uri_info.uri_idx = 0;
+       player->src_changed = FALSE;
+
+       MMPLAYER_FLEAVE();
+}
+
+static GstElement *__mmplayer_element_create_and_link(mm_player_t *player, GstPad* pad, const char* name)
+{
+       GstElement *element = NULL;
+       GstPad *sinkpad;
+
+       debug_log("creating %s to plug\n", name);
+
+       element = gst_element_factory_make(name, NULL);
+       if ( ! element )
+       {
+               debug_error("failed to create queue\n");
+               return NULL;
+       }
+
+       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(element, GST_STATE_READY) )
+       {
+               debug_error("failed to set state READY to %s\n", name);
+               gst_object_unref (element);
+               return NULL;
+       }
+
+       if ( ! gst_bin_add(GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst), element))
+       {
+               debug_error("failed to add %s\n", name);
+               gst_object_unref (element);
+               return NULL;
+       }
+
+       sinkpad = gst_element_get_static_pad(element, "sink");
+
+       if ( GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad) )
+       {
+               debug_error("failed to link %s\n", name);
+               gst_object_unref (sinkpad);
+               gst_object_unref (element);
+               return NULL;
+       }
+
+       debug_log("linked %s to pipeline successfully\n", name);
+
+       gst_object_unref (sinkpad);
+
+       return element;
+}
+
+static gboolean
+__mmplayer_close_link(mm_player_t* player, GstPad *srcpad, GstElement *sinkelement,
+const char *padname, const GList *templlist)
+{
+       GstPad *pad = NULL;
+       gboolean has_dynamic_pads = FALSE;
+       gboolean has_many_types = FALSE;
+       const char *klass = NULL;
+       GstStaticPadTemplate *padtemplate = NULL;
+       GstElementFactory *factory = NULL;
+       GstElement* queue = NULL;
+       GstElement* parser = NULL;
+       GstPad *pssrcpad = NULL;
+       GstPad *qsrcpad = NULL, *qsinkpad = NULL;
+       MMPlayerGstElement *mainbin = NULL;
+       GstStructure* str = NULL;
+       GstCaps* srccaps = NULL;
+       GstState target_state = GST_STATE_READY;
+       gboolean isvideo_decoder = FALSE;
+       guint q_max_size_time = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player &&
+               player->pipeline &&
+               player->pipeline->mainbin,
+               FALSE );
+
+       mainbin = player->pipeline->mainbin;
+
+       debug_log("plugging pad %s:%s to newly create %s:%s\n",
+                       GST_ELEMENT_NAME( GST_PAD_PARENT ( srcpad ) ),
+                       GST_PAD_NAME( srcpad ),
+                       GST_ELEMENT_NAME( sinkelement ),
+                       padname);
+
+       factory = gst_element_get_factory(sinkelement);
+       klass = gst_element_factory_get_klass(factory);
+
+       /* check if player can do start continually */
+       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+
+       /* need it to warm up omx before linking to pipeline */
+       if (g_strrstr(GST_ELEMENT_NAME( GST_PAD_PARENT ( srcpad ) ), "demux"))
+       {
+               debug_log("get demux caps.\n");
+               if (player->state_tune_caps)
+               {
+                       gst_caps_unref(player->state_tune_caps);
+                       player->state_tune_caps = NULL;
+               }
+               player->state_tune_caps = gst_caps_copy(GST_PAD_CAPS(srcpad));
+       }
+
+       /* NOTE : OMX Codec can check if resource is available or not at this state. */
+       if (g_strrstr(GST_ELEMENT_NAME(sinkelement), "omx"))
+       {
+               if (player->state_tune_caps != NULL)
+               {
+                       debug_log("set demux's caps to omx codec if resource is available");
+                       if (gst_pad_set_caps(gst_element_get_static_pad(sinkelement, "sink"), player->state_tune_caps))
+                       {
+                               target_state = GST_STATE_PAUSED;
+                               isvideo_decoder = TRUE;
+                               g_object_set(G_OBJECT(sinkelement), "state-tuning", TRUE, NULL);
+                       }
+                       else
+                       {
+                               debug_warning("failed to set caps for state tuning");
+                       }
+               }
+               gst_caps_unref(player->state_tune_caps);
+               player->state_tune_caps = NULL;
+       }
+
+       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(sinkelement, target_state) )
+       {
+               debug_error("failed to set %d state to %s\n", target_state, GST_ELEMENT_NAME( sinkelement ));
+               if (isvideo_decoder)
+               {
+                       gst_element_set_state(sinkelement, GST_STATE_NULL);
+                       gst_object_unref(G_OBJECT(sinkelement));
+                       player->keep_detecting_vcodec = TRUE;
+               }
+               goto ERROR;
+       }
+
+       /* add to pipeline */
+       if ( ! gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), sinkelement) )
+       {
+               debug_error("failed to add %s to mainbin\n", GST_ELEMENT_NAME( sinkelement ));
+               goto ERROR;
+       }
+
+       debug_log("element klass : %s\n", klass);
+
+       /* added to support multi track files */
+       /* only decoder case and any of the video/audio still need to link*/
+       if(g_strrstr(klass, "Decoder") && __mmplayer_link_decoder(player,srcpad))
+       {
+               gchar *name = g_strdup(GST_ELEMENT_NAME( GST_PAD_PARENT ( srcpad )));
+
+               if (g_strrstr(name, "mpegtsdemux")|| g_strrstr(name, "ssdemux"))
+               {
+                       gchar *src_demux_caps_str = NULL;
+                       gchar *needed_parser = NULL;
+                       GstCaps *src_demux_caps = NULL;
+                       gboolean smooth_streaming = FALSE;
+
+                       src_demux_caps = gst_pad_get_caps(srcpad);
+                       src_demux_caps_str = gst_caps_to_string(src_demux_caps);
+
+                       gst_caps_unref(src_demux_caps);
+
+                       if (g_strrstr(src_demux_caps_str, "video/x-h264"))
+                       {
+                               if (g_strrstr(name, "ssdemux"))
+                               {
+                                       needed_parser = g_strdup("legacyh264parse");
+                                       smooth_streaming = TRUE;
+                               }
+                               else
+                               {
+                                       needed_parser = g_strdup("h264parse");
+                               }
+                       }
+                       else if (g_strrstr(src_demux_caps_str, "video/mpeg"))
+                       {
+                               needed_parser = g_strdup("mpeg4videoparse");
+                       }
+                       MMPLAYER_FREEIF(src_demux_caps_str);
+
+                       if (needed_parser)
+                       {
+                               parser = __mmplayer_element_create_and_link(player, srcpad, needed_parser);
+                               MMPLAYER_FREEIF(needed_parser);
+
+                               if ( !parser )
+                               {
+                                       debug_error("failed to create parser\n");
+                               }
+                               else
+                               {
+                                       if (smooth_streaming)
+                                       {
+                                               g_object_set (parser, "output-format", 1, NULL); /* NALU/Byte Stream format */
+                                       }
+
+                                       /* update srcpad if parser is created */
+                                       pssrcpad = gst_element_get_static_pad(parser, "src");
+                                       srcpad = pssrcpad;
+                               }
+                       }
+               }
+               MMPLAYER_FREEIF(name);
+
+               queue = __mmplayer_element_create_and_link(player, srcpad, "queue"); // parser - queue or demuxer - queue
+               if ( ! queue )
+               {
+                       debug_error("failed to create queue\n");
+                       goto ERROR;
+               }
+
+               /* update srcpad to link with decoder */
+               qsrcpad = gst_element_get_static_pad(queue, "src");
+               srcpad = qsrcpad;
+
+               q_max_size_time = GST_QUEUE_DEFAULT_TIME;
+
+               /* assigning queue handle for futher manipulation purpose */
+               /* FIXIT : make it some kind of list so that msl can support more then two stream (text, data, etc...) */
+               if(mainbin[MMPLAYER_M_Q1].gst == NULL)
+               {
+                       mainbin[MMPLAYER_M_Q1].id = MMPLAYER_M_Q1;
+                       mainbin[MMPLAYER_M_Q1].gst = queue;
+
+                       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_SS)
+                       {
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q1].gst), "max-size-time", 0 , NULL);
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q1].gst), "max-size-buffers", 2, NULL);
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q1].gst), "max-size-bytes", 0, NULL);
+                       }
+                       else
+                       {
+                               if (!MMPLAYER_IS_RTSP_STREAMING(player))
+                                       g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q1].gst), "max-size-time", q_max_size_time * GST_SECOND, NULL);
+                       }
+               }
+               else if(mainbin[MMPLAYER_M_Q2].gst == NULL)
+               {
+                       mainbin[MMPLAYER_M_Q2].id = MMPLAYER_M_Q2;
+                       mainbin[MMPLAYER_M_Q2].gst = queue;
+
+                       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_SS)
+                       {
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q2].gst), "max-size-time", 0 , NULL);
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q2].gst), "max-size-buffers", 2, NULL);
+                               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q2].gst), "max-size-bytes", 0, NULL);
+                       }
+                       else
+                       {
+                               if (!MMPLAYER_IS_RTSP_STREAMING(player))
+                                       g_object_set (G_OBJECT (mainbin[MMPLAYER_M_Q2].gst), "max-size-time", q_max_size_time * GST_SECOND, NULL);
+                       }
+               }
+               else
+               {
+                       debug_error("Not supporting more then two elementary stream\n");
+                       g_assert(1);
+               }
+
+               pad = gst_element_get_static_pad(sinkelement, padname);
+
+               if ( ! pad )
+               {
+                       debug_warning("failed to get pad(%s) from %s. retrying with [sink]\n",
+                               padname, GST_ELEMENT_NAME(sinkelement) );
+
+                       pad = gst_element_get_static_pad(sinkelement, "sink");
+                       if ( ! pad )
+                       {
+                               debug_error("failed to get pad(sink) from %s. \n",
+                               GST_ELEMENT_NAME(sinkelement) );
+                               goto ERROR;
+                       }
+               }
+
+               /*  to check the video/audio type set the proper flag*/
+               const gchar *mime_type = NULL;
+               {
+                       srccaps = gst_pad_get_caps( srcpad );
+                       if ( !srccaps )
+                               goto ERROR;
+
+                       str = gst_caps_get_structure( srccaps, 0 );
+                       if ( ! str )
+                               goto ERROR;
+
+                       mime_type = gst_structure_get_name(str);
+                       if ( ! mime_type )
+                               goto ERROR;
+               }
+
+               /* link queue and decoder. so, it will be queue - decoder. */
+               if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, pad) )
+               {
+                       gst_object_unref(GST_OBJECT(pad));
+                       debug_error("failed to link (%s) to pad(%s)\n", GST_ELEMENT_NAME( sinkelement ), padname );
+
+                       /* reconstitute supportable codec */
+                       if (strstr(mime_type, "video"))
+                       {
+                               player->can_support_codec ^= FOUND_PLUGIN_VIDEO;
+                       }
+                       else if (strstr(mime_type, "audio"))
+                       {
+                               player->can_support_codec ^= FOUND_PLUGIN_AUDIO;
+                       }
+                       goto ERROR;
+               }
+
+               if (strstr(mime_type, "video"))
+               {
+                       player->videodec_linked = 1;
+                       debug_msg("player->videodec_linked set to 1\n");
+
+               }
+               else if (strstr(mime_type, "audio"))
+               {
+                       player->audiodec_linked = 1;
+                       debug_msg("player->auddiodec_linked set to 1\n");
+               }
+
+               gst_object_unref(GST_OBJECT(pad));
+               gst_caps_unref(GST_CAPS(srccaps));
+               srccaps = NULL;
+       }
+
+       if ( !MMPLAYER_IS_HTTP_PD(player) )
+       {
+               if( (g_strrstr(klass, "Demux") && !g_strrstr(klass, "Metadata")) || (g_strrstr(klass, "Parser") ) )
+               {
+                       if (MMPLAYER_IS_HTTP_STREAMING(player))
+                       {
+                               GstFormat fmt  = GST_FORMAT_BYTES;
+                               gint64 dur_bytes = 0L;
+                               gchar *file_buffering_path = NULL;
+                               gboolean use_file_buffer = FALSE;
+
+                               if ( !mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst)
+                               {
+                                       debug_log("creating http streaming buffering queue\n");
+
+                                       queue = gst_element_factory_make("queue2", "queue2");
+                                       if ( ! queue )
+                                       {
+                                               debug_error ( "failed to create buffering queue element\n" );
+                                               goto ERROR;
+                                       }
+
+                                       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(queue, GST_STATE_READY) )
+                                       {
+                                               debug_error("failed to set state READY to buffering queue\n");
+                                               goto ERROR;
+                                       }
+
+                                       if ( !gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue) )
+                                       {
+                                               debug_error("failed to add buffering queue\n");
+                                               goto ERROR;
+                                       }
+
+                                       qsinkpad = gst_element_get_static_pad(queue, "sink");
+                                       qsrcpad = gst_element_get_static_pad(queue, "src");
+
+                                       if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, qsinkpad) )
+                                       {
+                                               debug_error("failed to link buffering queue\n");
+                                               goto ERROR;
+                                       }
+                                       srcpad = qsrcpad;
+
+
+                                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].id = MMPLAYER_M_MUXED_S_BUFFER;
+                                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst = queue;
+
+                                       if ( !MMPLAYER_IS_HTTP_LIVE_STREAMING(player))
+                                       {
+                                               if ( !gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, &fmt, &dur_bytes))
+                                                       debug_error("fail to get duration.\n");
+
+                                               if (dur_bytes > 0)
+                                               {
+                                                       use_file_buffer = MMPLAYER_USE_FILE_FOR_BUFFERING(player);
+                                                       file_buffering_path = g_strdup(player->ini.http_file_buffer_path);
+                                               }
+                                               else
+                                               {
+                                                       dur_bytes = 0;
+                                               }
+                                       }
+
+                                       /* NOTE : we cannot get any duration info from ts container in case of streaming */
+                                       if(!g_strrstr(GST_ELEMENT_NAME(sinkelement), "mpegtsdemux"))
+                                       {
+                                               __mm_player_streaming_set_queue2(player->streamer,
+                                                       queue,
+                                                       TRUE,
+                                                       player->ini.http_max_size_bytes,
+                                                       player->ini.http_buffering_time,
+                                                       1.0,
+                                                       player->ini.http_buffering_limit,
+                                                       use_file_buffer,
+                                                       file_buffering_path,
+                                                       (guint64)dur_bytes);
+                                       }
+
+                                       MMPLAYER_FREEIF(file_buffering_path);
+                               }
+                       }
+               }
+       }
+       /* if it is not decoder or */
+       /* in decoder case any of the video/audio still need to link*/
+       if(!g_strrstr(klass, "Decoder"))
+       {
+
+               pad = gst_element_get_static_pad(sinkelement, padname);
+               if ( ! pad )
+               {
+                       debug_warning("failed to get pad(%s) from %s. retrying with [sink]\n",
+                                       padname, GST_ELEMENT_NAME(sinkelement) );
+
+                       pad = gst_element_get_static_pad(sinkelement, "sink");
+
+                       if ( ! pad )
+                       {
+                               debug_error("failed to get pad(sink) from %s. \n",
+                                       GST_ELEMENT_NAME(sinkelement) );
+                               goto ERROR;
+                       }
+               }
+
+               if ( GST_PAD_LINK_OK != gst_pad_link(srcpad, pad) )
+               {
+                       gst_object_unref(GST_OBJECT(pad));
+                       debug_error("failed to link (%s) to pad(%s)\n", GST_ELEMENT_NAME( sinkelement ), padname );
+                       goto ERROR;
+               }
+
+               gst_object_unref(GST_OBJECT(pad));
+       }
+
+       for(;templlist != NULL; templlist = templlist->next)
+       {
+               padtemplate = templlist->data;
+
+               debug_log ("director = [%d], presence = [%d]\n", padtemplate->direction, padtemplate->presence);
+
+               if(     padtemplate->direction != GST_PAD_SRC ||
+                       padtemplate->presence == GST_PAD_REQUEST        )
+                       continue;
+
+               switch(padtemplate->presence)
+               {
+                       case GST_PAD_ALWAYS:
+                       {
+                               GstPad *srcpad = gst_element_get_static_pad(sinkelement, "src");
+                               GstCaps *caps = gst_pad_get_caps(srcpad);
+
+                               /* Check whether caps has many types */
+                               if ( gst_caps_get_size (caps) > 1 && g_strrstr(klass, "Parser"))
+                               {
+                                       debug_log ("always pad but, caps has many types");
+                                       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+                                       has_many_types = TRUE;
+                                       break;
+                               }
+
+                               if ( ! __mmplayer_try_to_plug(player, srcpad, caps) )
+                               {
+                                       gst_object_unref(GST_OBJECT(srcpad));
+                                       gst_caps_unref(GST_CAPS(caps));
+
+                                       debug_error("failed to plug something after %s\n", GST_ELEMENT_NAME( sinkelement ));
+                                       goto ERROR;
+                               }
+
+                               gst_caps_unref(GST_CAPS(caps));
+                               gst_object_unref(GST_OBJECT(srcpad));
+
+                       }
+                       break;
+
+
+                       case GST_PAD_SOMETIMES:
+                               has_dynamic_pads = TRUE;
+                       break;
+
+                       default:
+                               break;
+               }
+       }
+
+       /* check if player can do start continually */
+       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+
+       if( has_dynamic_pads )
+       {
+               player->have_dynamic_pad = TRUE;
+               MMPLAYER_SIGNAL_CONNECT ( player, sinkelement, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                       G_CALLBACK(__mmplayer_add_new_pad), player);
+
+               /* for streaming, more then one typefind will used for each elementary stream
+                * so this doesn't mean the whole pipeline completion
+                */
+               if ( ! MMPLAYER_IS_RTSP_STREAMING( player ) )
+               {
+                       MMPLAYER_SIGNAL_CONNECT( player, sinkelement, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads",
+                               G_CALLBACK(__mmplayer_pipeline_complete), player);
+               }
+       }
+
+       if (has_many_types)
+       {
+               GstPad *pad = NULL;
+
+               player->has_many_types = has_many_types;
+
+               pad = gst_element_get_static_pad(sinkelement, "src");
+               MMPLAYER_SIGNAL_CONNECT (player, pad, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "notify::caps", G_CALLBACK(__mmplayer_add_new_caps), player);
+               gst_object_unref (GST_OBJECT(pad));
+       }
+
+
+       /* check if player can do start continually */
+       MMPLAYER_CHECK_CMD_IF_EXIT(player);
+
+       if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state(sinkelement, GST_STATE_PAUSED) )
+       {
+               debug_error("failed to set state PAUSED to %s\n", GST_ELEMENT_NAME( sinkelement ));
+               goto ERROR;
+       }
+
+       if ( queue )
+       {
+               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (queue, GST_STATE_PAUSED) )
+               {
+                       debug_error("failed to set state PAUSED to queue\n");
+                       goto ERROR;
+               }
+
+               queue = NULL;
+
+               gst_object_unref (GST_OBJECT(qsrcpad));
+               qsrcpad = NULL;
+       }
+
+       if ( parser )
+       {
+               if ( GST_STATE_CHANGE_FAILURE == gst_element_set_state (parser, GST_STATE_PAUSED) )
+               {
+                       debug_error("failed to set state PAUSED to queue\n");
+                       goto ERROR;
+               }
+
+               parser = NULL;
+
+               gst_object_unref (GST_OBJECT(pssrcpad));
+               pssrcpad = NULL;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+
+ERROR:
+
+       if ( queue )
+       {
+               gst_object_unref(GST_OBJECT(qsrcpad));
+
+               /* NOTE : Trying to dispose element queue0, but it is in READY instead of the NULL state.
+                * You need to explicitly set elements to the NULL state before
+                * dropping the final reference, to allow them to clean up.
+                */
+               gst_element_set_state(queue, GST_STATE_NULL);
+               /* And, it still has a parent "player".
+                * You need to let the parent manage the object instead of unreffing the object directly.
+                */
+
+               gst_bin_remove (GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), queue);
+               //gst_object_unref( queue );
+       }
+
+       if ( srccaps )
+               gst_caps_unref(GST_CAPS(srccaps));
+
+    return FALSE;
+}
+
+static gboolean __mmplayer_feature_filter(GstPluginFeature *feature, gpointer data) // @
+{
+       const gchar *klass;
+       //const gchar *name;
+
+       /* we only care about element factories */
+       if (!GST_IS_ELEMENT_FACTORY(feature))
+               return FALSE;
+
+       /* only parsers, demuxers and decoders */
+       klass = gst_element_factory_get_klass(GST_ELEMENT_FACTORY(feature));
+       //name = gst_element_factory_get_longname(GST_ELEMENT_FACTORY(feature));
+
+       if( g_strrstr(klass, "Demux") == NULL &&
+               g_strrstr(klass, "Codec/Decoder") == NULL &&
+               g_strrstr(klass, "Depayloader") == NULL &&
+               g_strrstr(klass, "Parse") == NULL)
+       {
+               return FALSE;
+       }
+    return TRUE;
+}
+
+
+static void    __mmplayer_add_new_caps(GstPad* pad, GParamSpec* unused, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*) data;
+       GstCaps *caps = NULL;
+       GstStructure *str = NULL;
+       const char *name;
+
+       MMPLAYER_FENTER();
+
+       return_if_fail ( pad )
+       return_if_fail ( unused )
+       return_if_fail ( data )
+
+       caps = gst_pad_get_caps(pad);
+       if ( !caps )
+               return;
+
+       str = gst_caps_get_structure(caps, 0);
+       if ( !str )
+               return;
+
+       name = gst_structure_get_name(str);
+       if ( !name )
+               return;
+       debug_log("name=%s\n", name);
+
+       if ( ! __mmplayer_try_to_plug(player, pad, caps) )
+       {
+               debug_error("failed to autoplug for type (%s)\n", name);
+               gst_caps_unref(caps);
+               return;
+       }
+
+       gst_caps_unref(caps);
+
+       __mmplayer_pipeline_complete( NULL, (gpointer)player );
+
+       MMPLAYER_FLEAVE();
+
+       return;
+}
+
+static void __mmplayer_set_unlinked_mime_type(mm_player_t* player, GstCaps *caps)
+{
+       GstStructure *str;
+       gint version = 0;
+       const char *stream_type;
+       gchar *version_field = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_if_fail ( player );
+       return_if_fail ( caps );
+
+       str = gst_caps_get_structure(caps, 0);
+       if ( !str )
+               return;
+
+       stream_type = gst_structure_get_name(str);
+       if ( !stream_type )
+               return;
+
+
+       /* set unlinked mime type for downloadable codec */
+       if (g_str_has_prefix(stream_type, "video/"))
+       {
+               if (g_str_has_prefix(stream_type, "video/mpeg"))
+               {
+                       gst_structure_get_int (str, MM_PLAYER_MPEG_VNAME, &version);
+                       version_field = MM_PLAYER_MPEG_VNAME;
+               }
+               else if (g_str_has_prefix(stream_type, "video/x-wmv"))
+               {
+                       gst_structure_get_int (str, MM_PLAYER_WMV_VNAME, &version);
+                       version_field = MM_PLAYER_WMV_VNAME;
+
+               }
+               else if (g_str_has_prefix(stream_type, "video/x-divx"))
+               {
+                       gst_structure_get_int (str, MM_PLAYER_DIVX_VNAME, &version);
+                       version_field = MM_PLAYER_DIVX_VNAME;
+               }
+
+               if (version)
+               {
+                       player->unlinked_video_mime = g_strdup_printf("%s, %s=%d", stream_type, version_field, version);
+               }
+               else
+               {
+                       player->unlinked_video_mime = g_strdup_printf("%s", stream_type);
+               }
+       }
+       else if (g_str_has_prefix(stream_type, "audio/"))
+       {
+               if (g_str_has_prefix(stream_type, "audio/mpeg")) // mp3 or aac
+               {
+                       gst_structure_get_int (str, MM_PLAYER_MPEG_VNAME, &version);
+                       version_field = MM_PLAYER_MPEG_VNAME;
+               }
+               else if (g_str_has_prefix(stream_type, "audio/x-wma"))
+               {
+                       gst_structure_get_int (str, MM_PLAYER_WMA_VNAME, &version);
+                       version_field = MM_PLAYER_WMA_VNAME;
+               }
+
+               if (version)
+               {
+                       player->unlinked_audio_mime = g_strdup_printf("%s, %s=%d", stream_type, version_field, version);
+               }
+               else
+               {
+                       player->unlinked_audio_mime = g_strdup_printf("%s", stream_type);
+               }
+       }
+
+       MMPLAYER_FLEAVE();
+}
+
+static void __mmplayer_add_new_pad(GstElement *element, GstPad *pad, gpointer data)
+{
+       mm_player_t* player = (mm_player_t*) data;
+       GstCaps *caps = NULL;
+       GstStructure *str = NULL;
+       const char *name;
+
+       MMPLAYER_FENTER();
+       return_if_fail ( player );
+       return_if_fail ( pad );
+
+       GST_OBJECT_LOCK (pad);
+       if ((caps = GST_PAD_CAPS(pad)))
+               gst_caps_ref(caps);
+       GST_OBJECT_UNLOCK (pad);
+
+       if ( NULL == caps )
+       {
+               caps = gst_pad_get_caps(pad);
+               if ( !caps ) return;
+       }
+
+       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
+
+       str = gst_caps_get_structure(caps, 0);
+       if ( !str )
+               return;
+
+       name = gst_structure_get_name(str);
+       if ( !name )
+               return;
+
+       player->num_dynamic_pad++;
+       debug_log("stream count inc : %d\n", player->num_dynamic_pad);
+
+       /* Note : If the stream is the subtitle, we try not to play it. Just close the demuxer subtitle pad.
+         *     If want to play it, remove this code.
+         */
+       if (g_strrstr(name, "application"))
+       {
+               if (g_strrstr(name, "x-id3") || g_strrstr(name, "x-apetag"))
+               {
+                       /* If id3/ape tag comes, keep going */
+                       debug_log("application mime exception : id3/ape tag");
+               }
+               else
+               {
+                       /* Otherwise, we assume that this stream is subtile. */
+                       debug_log(" application mime type pad is closed.");
+                       return;
+               }
+       }
+       else if (g_strrstr(name, "audio"))
+       {
+               gint samplerate = 0, channels = 0;
+
+               if (player->audiodec_linked)
+               {
+                       gst_caps_unref(caps);
+                       debug_log("multi tracks. skip to plug");
+                       return;
+               }
+
+               /* set stream information */
+               /* if possible, set it here because the caps is not distrubed by resampler. */
+               gst_structure_get_int (str, "rate", &samplerate);
+               mm_attrs_set_int_by_name(player->attrs, "content_audio_samplerate", samplerate);
+
+               gst_structure_get_int (str, "channels", &channels);
+               mm_attrs_set_int_by_name(player->attrs, "content_audio_channels", channels);
+
+               debug_log("audio samplerate : %d        channels : %d", samplerate, channels);
+       }
+       else if (g_strrstr(name, "video"))
+       {
+               gint stype;
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &stype);
+
+               /* don't make video because of not required */
+               if (stype == MM_DISPLAY_SURFACE_NULL)
+               {
+                       debug_log("no video because it's not required");
+                       return;
+               }
+
+               player->v_stream_caps = gst_caps_copy(caps); //if needed, video caps is required when videobin is created
+       }
+
+       if ( ! __mmplayer_try_to_plug(player, pad, caps) )
+       {
+               debug_error("failed to autoplug for type (%s)", name);
+
+               __mmplayer_set_unlinked_mime_type(player, caps);
+       }
+
+       gst_caps_unref(caps);
+
+       MMPLAYER_FLEAVE();
+       return;
+}
+
+/* test API for tuning audio gain. this API should be
+ * deprecated before the day of final release
+ */
+int
+_mmplayer_set_volume_tune(MMHandleType hplayer, MMPlayerVolumeType volume)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+       gint error = MM_ERROR_NONE;
+       gint vol_max = 0;
+       gboolean isMidi = FALSE;
+       gint i = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail( player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED )
+
+       debug_log("clip type=%d(1-midi, 0-others), volume [L]=%d:[R]=%d\n",
+               player->profile.play_mode, volume.level[0], volume.level[1]);
+
+       isMidi = ( player->profile.play_mode == MM_PLAYER_MODE_MIDI ) ? TRUE : FALSE;
+
+       if ( isMidi )
+               vol_max = 1000;
+       else
+               vol_max = 100;
+
+       /* is it proper volume level? */
+       for (i = 0; i < MM_VOLUME_CHANNEL_NUM; ++i)
+       {
+               if (volume.level[i] < 0 || volume.level[i] > vol_max) {
+                       debug_log("Invalid Volume level!!!! \n");
+                       return MM_ERROR_INVALID_ARGUMENT;
+               }
+       }
+
+       if ( isMidi )
+       {
+               if ( player->pipeline->mainbin )
+               {
+                       GstElement *midi_element = player->pipeline->mainbin[MMPLAYER_M_DEMUX].gst;
+
+                       if ( midi_element && ( strstr(GST_ELEMENT_NAME(midi_element), "midiparse")) )
+                       {
+                               debug_log("setting volume (%d) level to midi plugin\n", volume.level[0]);
+
+                               g_object_set(midi_element, "volume", volume.level[0], NULL);
+                       }
+               }
+       }
+       else
+       {
+               if ( player->pipeline->audiobin )
+               {
+                       GstElement *sink_element = player->pipeline->audiobin[MMPLAYER_A_SINK].gst;
+
+                       /* Set to Avsysaudiosink element */
+                       if ( sink_element )
+                       {
+                               gint vol_value = 0;
+                               gboolean mute = FALSE;
+                               vol_value = volume.level[0];
+
+                               g_object_set(G_OBJECT(sink_element), "tuningvolume", vol_value, NULL);
+
+                               mute = (vol_value == 0)? TRUE:FALSE;
+
+                               g_object_set(G_OBJECT(sink_element), "mute", mute, NULL);
+                       }
+
+               }
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return error;
+}
+
+gboolean
+__mmplayer_dump_pipeline_state( mm_player_t* player )
+{
+       GstIterator*iter = NULL;
+       gboolean done = FALSE;
+
+       GstElement *item = NULL;
+       GstElementFactory *factory = NULL;
+
+       GstState state = GST_STATE_VOID_PENDING;
+       GstState pending = GST_STATE_VOID_PENDING;
+       GstClockTime time = 200*GST_MSECOND;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player &&
+               player->pipeline &&
+               player->pipeline->mainbin,
+               FALSE );
+
+       iter = gst_bin_iterate_recurse(GST_BIN(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst) );
+
+       if ( iter != NULL )
+       {
+               while (!done) {
+                        switch ( gst_iterator_next (iter, (gpointer)&item) )
+                        {
+                          case GST_ITERATOR_OK:
+                               gst_element_get_state(GST_ELEMENT (item),&state, &pending,time);
+
+                               factory = gst_element_get_factory (item) ;
+                               if (factory)
+                               {
+                                        debug_error("%s:%s : From:%s To:%s   refcount : %d\n", GST_OBJECT_NAME(factory) , GST_ELEMENT_NAME(item) ,
+                                               gst_element_state_get_name(state), gst_element_state_get_name(pending) , GST_OBJECT_REFCOUNT_VALUE(item));
+                               }
+                                gst_object_unref (item);
+                                break;
+                          case GST_ITERATOR_RESYNC:
+                                gst_iterator_resync (iter);
+                                break;
+                          case GST_ITERATOR_ERROR:
+                                done = TRUE;
+                                break;
+                          case GST_ITERATOR_DONE:
+                                done = TRUE;
+                                break;
+                        }
+               }
+       }
+
+       item = GST_ELEMENT(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst);
+
+       gst_element_get_state(GST_ELEMENT (item),&state, &pending,time);
+
+       factory = gst_element_get_factory (item) ;
+
+       if (factory)
+       {
+               debug_error("%s:%s : From:%s To:%s  refcount : %d\n",
+                       GST_OBJECT_NAME(factory),
+                       GST_ELEMENT_NAME(item),
+                       gst_element_state_get_name(state),
+                       gst_element_state_get_name(pending),
+                       GST_OBJECT_REFCOUNT_VALUE(item) );
+       }
+
+       if ( iter )
+               gst_iterator_free (iter);
+
+       MMPLAYER_FLEAVE();
+
+       return FALSE;
+}
+
+
+gboolean
+__mmplayer_check_subtitle( mm_player_t* player )
+{
+       MMHandleType attrs = 0;
+       char *subtitle_uri = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, FALSE );
+
+       /* get subtitle attribute */
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+               return FALSE;
+
+       mm_attrs_get_string_by_name(attrs, "subtitle_uri", &subtitle_uri);
+       if ( !subtitle_uri || !strlen(subtitle_uri))
+               return FALSE;
+
+       debug_log ("subtite uri is %s[%d]\n", subtitle_uri, strlen(subtitle_uri));
+       player->is_external_subtitle_present = TRUE;
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+}
+
+static gboolean
+__mmplayer_can_extract_pcm( mm_player_t* player )
+{
+       MMHandleType attrs = 0;
+       gboolean is_drm = FALSE;
+       gboolean sound_extraction = FALSE;
+
+       return_val_if_fail ( player, FALSE );
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if ( !attrs )
+       {
+               debug_error("fail to get attributes.");
+               return FALSE;
+       }
+
+       /* check file is drm or not */
+       if (g_object_class_find_property(G_OBJECT_GET_CLASS(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "is-drm"))
+               g_object_get(G_OBJECT(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), "is-drm", &is_drm, NULL);
+
+       /* get sound_extraction property */
+       mm_attrs_get_int_by_name(attrs, "pcm_extraction", &sound_extraction);
+
+       if ( ! sound_extraction || is_drm )
+       {
+               debug_log("checking pcm extraction mode : %d, drm : %d", sound_extraction, is_drm);
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+static gboolean
+__mmplayer_handle_gst_error ( mm_player_t* player, GstMessage * message, GError* error )
+{
+       MMMessageParamType msg_param;
+       gchar *msg_src_element;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, FALSE );
+       return_val_if_fail( error, FALSE );
+
+       /* NOTE : do somthing necessary inside of __gst_handle_XXX_error. not here */
+
+       memset (&msg_param, 0, sizeof(MMMessageParamType));
+
+       if ( error->domain == GST_CORE_ERROR )
+       {
+               msg_param.code = __gst_handle_core_error( player, error->code );
+       }
+       else if ( error->domain == GST_LIBRARY_ERROR )
+       {
+               msg_param.code = __gst_handle_library_error( player, error->code );
+       }
+       else if ( error->domain == GST_RESOURCE_ERROR )
+       {
+               msg_param.code = __gst_handle_resource_error( player, error->code );
+       }
+       else if ( error->domain == GST_STREAM_ERROR )
+       {
+               msg_param.code = __gst_handle_stream_error( player, error, message );
+       }
+       else
+       {
+               debug_warning("This error domain is not defined.\n");
+
+               /* we treat system error as an internal error */
+               msg_param.code = MM_ERROR_PLAYER_INVALID_STREAM;
+       }
+
+       if ( message->src )
+       {
+               msg_src_element = GST_ELEMENT_NAME( GST_ELEMENT_CAST( message->src ) );
+
+               msg_param.data = (void *) error->message;
+
+               debug_error("-Msg src : [%s]    Domain : [%s]   Error : [%s]  Code : [%d] is tranlated to error code : [0x%x]\n",
+                       msg_src_element, g_quark_to_string (error->domain), error->message, error->code, msg_param.code);
+       }
+
+       /* no error */
+       if (msg_param.code == MM_ERROR_NONE)
+               return TRUE;
+
+       /* post error to application */
+       if ( ! player->msg_posted )
+       {
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+               /* don't post more if one was sent already */
+               player->msg_posted = TRUE;
+       }
+       else
+       {
+               debug_log("skip error post because it's sent already.\n");
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+}
+
+static gboolean
+__mmplayer_handle_streaming_error  ( mm_player_t* player, GstMessage * message )
+{
+       debug_log("\n");
+       MMMessageParamType msg_param;
+       gchar *msg_src_element = NULL;
+       GstStructure *s = NULL;
+       guint error_id = 0;
+       gchar *error_string = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( message, FALSE );
+
+       s = malloc( sizeof(GstStructure) );
+       if ( s == NULL)
+       {
+               debug_error ("malloc fail");
+               return FALSE;
+       }
+       memcpy ( s, gst_message_get_structure ( message ), sizeof(GstStructure));
+
+       if ( !gst_structure_get_uint (s, "error_id", &error_id) )
+               error_id = MMPLAYER_STREAMING_ERROR_NONE;
+
+       switch ( error_id )
+       {
+               case MMPLAYER_STREAMING_ERROR_UNSUPPORTED_AUDIO:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNSUPPORTED_AUDIO;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_UNSUPPORTED_VIDEO:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNSUPPORTED_VIDEO;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_CONNECTION_FAIL:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_CONNECTION_FAIL;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_DNS_FAIL:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_DNS_FAIL;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_SERVER_DISCONNECTED:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_SERVER_DISCONNECTED;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_BAD_SERVER:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_BAD_SERVER;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_INVALID_PROTOCOL:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_INVALID_PROTOCOL;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_INVALID_URL:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_INVALID_URL;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_UNEXPECTED_MSG:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_UNEXPECTED_MSG;
+                       break;
+               case MMPLAYER_STREAMING_ERROR_OUT_OF_MEMORIES:
+                       msg_param.code = MM_ERROR_PLAYER_STREAMING_OUT_OF_MEMORIES;
+                       break;
                case MMPLAYER_STREAMING_ERROR_RTSP_TIMEOUT:
                        msg_param.code = MM_ERROR_PLAYER_STREAMING_RTSP_TIMEOUT;
                        break;
@@ -9757,833 +14781,1756 @@ __mmplayer_handle_streaming_error  ( mm_player_t* player, GstMessage * message )
                        msg_param.code = MM_ERROR_PLAYER_STREAMING_OPTION_NOT_SUPPORTED;
                        break;
                default:
-                       return MM_ERROR_PLAYER_STREAMING_FAIL;
+                       {
+                               MMPLAYER_FREEIF(s);
+                               return MM_ERROR_PLAYER_STREAMING_FAIL;
+                       }
+       }
+
+       error_string = g_strdup(gst_structure_get_string (s, "error_string"));
+       if ( error_string )
+               msg_param.data = (void *) error_string;
+
+       if ( message->src )
+       {
+               msg_src_element = GST_ELEMENT_NAME( GST_ELEMENT_CAST( message->src ) );
+
+               debug_error("-Msg src : [%s] Code : [%x] Error : [%s]  \n",
+                       msg_src_element, msg_param.code, (char*)msg_param.data );
+       }
+
+       /* post error to application */
+       if ( ! player->msg_posted )
+       {
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
+
+               /* don't post more if one was sent already */
+               player->msg_posted = TRUE;
+       }
+       else
+       {
+               debug_log("skip error post because it's sent already.\n");
+       }
+
+       MMPLAYER_FREEIF(s);
+       MMPLAYER_FLEAVE();
+       g_free(error_string);
+
+       return TRUE;
+
+}
+
+static gint
+__gst_handle_core_error( mm_player_t* player, int code )
+{
+       gint trans_err = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       switch ( code )
+       {
+               case GST_CORE_ERROR_MISSING_PLUGIN:
+                       return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+               case GST_CORE_ERROR_STATE_CHANGE:
+               case GST_CORE_ERROR_SEEK:
+               case GST_CORE_ERROR_NOT_IMPLEMENTED:
+               case GST_CORE_ERROR_FAILED:
+               case GST_CORE_ERROR_TOO_LAZY:
+               case GST_CORE_ERROR_PAD:
+               case GST_CORE_ERROR_THREAD:
+               case GST_CORE_ERROR_NEGOTIATION:
+               case GST_CORE_ERROR_EVENT:
+               case GST_CORE_ERROR_CAPS:
+               case GST_CORE_ERROR_TAG:
+               case GST_CORE_ERROR_CLOCK:
+               case GST_CORE_ERROR_DISABLED:
+               default:
+                       trans_err = MM_ERROR_PLAYER_INVALID_STREAM;
+               break;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return trans_err;
+}
+
+static gint
+__gst_handle_library_error( mm_player_t* player, int code )
+{
+       gint trans_err = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       switch ( code )
+       {
+               case GST_LIBRARY_ERROR_FAILED:
+               case GST_LIBRARY_ERROR_TOO_LAZY:
+               case GST_LIBRARY_ERROR_INIT:
+               case GST_LIBRARY_ERROR_SHUTDOWN:
+               case GST_LIBRARY_ERROR_SETTINGS:
+               case GST_LIBRARY_ERROR_ENCODE:
+               default:
+                       trans_err =  MM_ERROR_PLAYER_INVALID_STREAM;
+               break;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return trans_err;
+}
+
+
+static gint
+__gst_handle_resource_error( mm_player_t* player, int code )
+{
+       gint trans_err = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       switch ( code )
+       {
+               case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
+                       trans_err = MM_ERROR_PLAYER_NO_FREE_SPACE;
+                       break;
+               case GST_RESOURCE_ERROR_NOT_FOUND:
+               case GST_RESOURCE_ERROR_OPEN_READ:
+                       if ( MMPLAYER_IS_HTTP_STREAMING(player) || MMPLAYER_IS_HTTP_LIVE_STREAMING ( player )
+                               || MMPLAYER_IS_RTSP_STREAMING(player))
+                       {
+                               trans_err = MM_ERROR_PLAYER_STREAMING_CONNECTION_FAIL;
+                               break;
+                       }
+               case GST_RESOURCE_ERROR_READ:
+                       if ( MMPLAYER_IS_HTTP_STREAMING(player) ||  MMPLAYER_IS_HTTP_LIVE_STREAMING ( player )
+                               || MMPLAYER_IS_RTSP_STREAMING(player))
+                       {
+                               trans_err = MM_ERROR_PLAYER_STREAMING_FAIL;
+                               break;
+                       }
+               case GST_RESOURCE_ERROR_WRITE:
+               case GST_RESOURCE_ERROR_FAILED:
+               case GST_RESOURCE_ERROR_SEEK:
+               case GST_RESOURCE_ERROR_TOO_LAZY:
+               case GST_RESOURCE_ERROR_BUSY:
+               case GST_RESOURCE_ERROR_OPEN_WRITE:
+               case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
+               case GST_RESOURCE_ERROR_CLOSE:
+               case GST_RESOURCE_ERROR_SYNC:
+               case GST_RESOURCE_ERROR_SETTINGS:
+               default:
+                       trans_err = MM_ERROR_PLAYER_INTERNAL;
+               break;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return trans_err;
+}
+
+
+static gint
+__gst_handle_stream_error( mm_player_t* player, GError* error, GstMessage * message )
+{
+       gint trans_err = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail( error, MM_ERROR_INVALID_ARGUMENT );
+       return_val_if_fail ( message, MM_ERROR_INVALID_ARGUMENT );
+
+       switch ( error->code )
+       {
+               case GST_STREAM_ERROR_FAILED:
+               case GST_STREAM_ERROR_TYPE_NOT_FOUND:
+               case GST_STREAM_ERROR_DECODE:
+               case GST_STREAM_ERROR_WRONG_TYPE:
+               case GST_STREAM_ERROR_DECRYPT:
+               case GST_STREAM_ERROR_DECRYPT_NOKEY:
+               case GST_STREAM_ERROR_CODEC_NOT_FOUND:
+                        trans_err = __gst_transform_gsterror( player, message, error );
+               break;
+
+               case GST_STREAM_ERROR_NOT_IMPLEMENTED:
+               case GST_STREAM_ERROR_TOO_LAZY:
+               case GST_STREAM_ERROR_ENCODE:
+               case GST_STREAM_ERROR_DEMUX:
+               case GST_STREAM_ERROR_MUX:
+               case GST_STREAM_ERROR_FORMAT:
+               default:
+                       trans_err = MM_ERROR_PLAYER_INVALID_STREAM;
+               break;
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return trans_err;
+}
+
+/* NOTE : decide gstreamer state whether there is some playable track or not. */
+static gint
+__gst_transform_gsterror( mm_player_t* player, GstMessage * message, GError* error )
+{
+       gchar *src_element_name = NULL;
+       GstElement *src_element = NULL;
+       GstElementFactory *factory = NULL;
+       const gchar* klass = NULL;
+
+       MMPLAYER_FENTER();
+
+       /* FIXIT */
+       return_val_if_fail ( message, MM_ERROR_INVALID_ARGUMENT );
+       return_val_if_fail ( message->src, MM_ERROR_INVALID_ARGUMENT );
+       return_val_if_fail ( error, MM_ERROR_INVALID_ARGUMENT );
+
+       src_element = GST_ELEMENT_CAST(message->src);
+       if ( !src_element )
+               goto INTERNAL_ERROR;
+
+       src_element_name = GST_ELEMENT_NAME(src_element);
+       if ( !src_element_name )
+               goto INTERNAL_ERROR;
+
+       factory = gst_element_get_factory(src_element);
+       if ( !factory )
+               goto INTERNAL_ERROR;
+
+       klass = gst_element_factory_get_klass(factory);
+       if ( !klass )
+               goto INTERNAL_ERROR;
+
+       debug_log("error code=%d, msg=%s, src element=%s, class=%s\n",
+                       error->code, error->message, src_element_name, klass);
+
+       //<-
+       {
+               int msg_src_pos = 0;
+               gint active_pad_index = player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].active_pad_index;
+               debug_log ("current  active pad index  -%d", active_pad_index);
+
+               if  (src_element_name) {
+                       int idx = 0;
+
+                       if (player->audio_decoders) {
+                               GList *adec = player->audio_decoders;
+                               for ( ;adec ; adec = g_list_next(adec)) {
+                                       gchar *name = adec->data;
+
+                                       debug_log("found audio decoder name  = %s", name);
+                                       if (g_strrstr(name, src_element_name)) {
+                                               msg_src_pos = idx;
+                                               break;
+                                       }
+                                       idx++;
+                               }
+                       }
+                       debug_log("active pad = %d, error src index = %d", active_pad_index,  msg_src_pos);
+               }
+
+               if (active_pad_index != msg_src_pos) {
+                       debug_log("skip error because error is posted from no activated track");
+                       return MM_ERROR_NONE;
+               }
+       }
+       //-> temp code
+
+       switch ( error->code )
+       {
+               case GST_STREAM_ERROR_DECODE:
+               {
+                       /* Demuxer can't parse one track because it's corrupted.
+                        * So, the decoder for it is not linked.
+                        * But, it has one playable track.
+                        */
+                       if ( g_strrstr(klass, "Demux") )
+                       {
+                               if ( player->can_support_codec == FOUND_PLUGIN_VIDEO )
+                               {
+                                       return MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+                               }
+                               else if ( player->can_support_codec == FOUND_PLUGIN_AUDIO )
+                               {
+                                       return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+                               }
+                               else
+                               {
+                                       if ( player->pipeline->audiobin ) // PCM
+                                       {
+                                               return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+                                       }
+                                       else
+                                       {
+                                               goto CODEC_NOT_FOUND;
+                                       }
+                               }
+                       }
+                       return MM_ERROR_PLAYER_INVALID_STREAM;
+               }
+               break;
+
+               case GST_STREAM_ERROR_CODEC_NOT_FOUND:
+               case GST_STREAM_ERROR_TYPE_NOT_FOUND:
+               case GST_STREAM_ERROR_WRONG_TYPE:
+                       return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+
+               case GST_STREAM_ERROR_FAILED:
+               {
+                       /* Decoder Custom Message */
+                       if ( strstr(error->message, "ongoing") )
+                       {
+                               if ( strncasecmp(klass, "audio", 5) )
+                               {
+                                       if ( ( player->can_support_codec & FOUND_PLUGIN_VIDEO ) )
+                                       {
+                                               debug_log("Video can keep playing.\n");
+                                               return MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+                                       }
+                                       else
+                                       {
+                                               goto CODEC_NOT_FOUND;
+                                       }
+
+                               }
+                               else if ( strncasecmp(klass, "video", 5) )
+                               {
+                                       if ( ( player->can_support_codec & FOUND_PLUGIN_AUDIO ) )
+                                       {
+                                               debug_log("Audio can keep playing.\n");
+                                               return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+                                       }
+                                       else
+                                       {
+                                               goto CODEC_NOT_FOUND;
+                                       }
+                               }
+                       }
+                       return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+               }
+               break;
+
+               case GST_STREAM_ERROR_DECRYPT:
+               case GST_STREAM_ERROR_DECRYPT_NOKEY:
+               {
+                       debug_error("decryption error, [%s] failed, reason : [%s]\n", src_element_name, error->message);
+
+                       if ( strstr(error->message, "rights expired") )
+                       {
+                               return MM_ERROR_PLAYER_DRM_EXPIRED;
+                       }
+                       else if ( strstr(error->message, "no rights") )
+                       {
+                               return MM_ERROR_PLAYER_DRM_NO_LICENSE;
+                       }
+                       else if ( strstr(error->message, "has future rights") )
+                       {
+                               return MM_ERROR_PLAYER_DRM_FUTURE_USE;
+                       }
+                       else if ( strstr(error->message, "opl violation") )
+                       {
+                               return MM_ERROR_PLAYER_DRM_OUTPUT_PROTECTION;
+                       }
+                       return MM_ERROR_PLAYER_DRM_NOT_AUTHORIZED;
+               }
+               break;
+
+               default:
+               break;
        }
 
-       error_string = g_strdup(gst_structure_get_string (s, "error_string"));
-       if ( error_string )
-               msg_param.data = (void *) error_string;
+       MMPLAYER_FLEAVE();
 
-       if ( message->src )
+       return MM_ERROR_PLAYER_INVALID_STREAM;
+
+INTERNAL_ERROR:
+       return MM_ERROR_PLAYER_INTERNAL;
+
+CODEC_NOT_FOUND:
+       debug_log("not found any available codec. Player should be destroyed.\n");
+       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+}
+
+static void
+__mmplayer_handle_eos_delay( mm_player_t* player, int delay_in_ms )
+{
+       return_if_fail( player );
+
+
+       /* post now if delay is zero */
+       if ( delay_in_ms == 0 || player->set_mode.pcm_extraction)
        {
-               msg_src_element = GST_ELEMENT_NAME( GST_ELEMENT_CAST( message->src ) );
+               debug_log("eos delay is zero. posting EOS now\n");
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
 
-               debug_error("-Msg src : [%s] Code : [%x] Error : [%s]  \n",
-                       msg_src_element, msg_param.code, (char*)msg_param.data );
+               if ( player->set_mode.pcm_extraction )
+                       __mmplayer_cancel_eos_timer(player);
+
+               return;
+       }
+
+       /* cancel if existing */
+       __mmplayer_cancel_eos_timer( player );
+
+       /* init new timeout */
+       /* NOTE : consider give high priority to this timer */
+       debug_log("posting EOS message after [%d] msec\n", delay_in_ms);
+
+       player->eos_timer = g_timeout_add( delay_in_ms,
+               __mmplayer_eos_timer_cb, player );
+
+       player->context.global_default = g_main_context_default ();
+       debug_log("global default context = %p, eos timer id = %d", player->context.global_default, player->eos_timer);
+
+       /* check timer is valid. if not, send EOS now */
+       if ( player->eos_timer == 0 )
+       {
+               debug_warning("creating timer for delayed EOS has failed. sending EOS now\n");
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
+       }
+}
+
+static void
+__mmplayer_cancel_eos_timer( mm_player_t* player )
+{
+       return_if_fail( player );
+
+       if ( player->eos_timer )
+       {
+               debug_log("cancel eos timer");
+               __mmplayer_remove_g_source_from_context(player->context.global_default, player->eos_timer);
+               player->eos_timer = 0;
+       }
+
+       return;
+}
+
+static gboolean
+__mmplayer_eos_timer_cb(gpointer u_data)
+{
+       mm_player_t* player = NULL;
+       player = (mm_player_t*) u_data;
+
+       return_val_if_fail( player, FALSE );
+
+       if ( player->play_count > 1 )
+       {
+               gint ret_value = 0;
+               ret_value = __gst_set_position( player, MM_PLAYER_POS_FORMAT_TIME, 0, TRUE);
+               if (ret_value == MM_ERROR_NONE)
+               {
+                       MMHandleType attrs = 0;
+                       attrs = MMPLAYER_GET_ATTRS(player);
+
+                       /* we successeded to rewind. update play count and then wait for next EOS */
+                       player->play_count--;
+
+                       mm_attrs_set_int_by_name(attrs, "profile_play_count", player->play_count);
+                       mmf_attrs_commit ( attrs );
+               }
+               else
+               {
+                       debug_error("seeking to 0 failed in repeat play");
+               }
+       }
+       else
+       {
+               /* posting eos */
+               MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
+       }
+
+       /* we are returning FALSE as we need only one posting */
+       return FALSE;
+}
+
+static void __mmplayer_set_antishock( mm_player_t* player, gboolean disable_by_force)
+{
+       gint antishock = FALSE;
+       MMHandleType attrs = 0;
+
+       MMPLAYER_FENTER();
+
+       return_if_fail ( player && player->pipeline );
+
+       /* It should be passed for video only clip */
+       if ( ! player->pipeline->audiobin )
+               return;
+
+       if ( ( g_strrstr(player->ini.name_of_audiosink, "avsysaudiosink")) )
+       {
+               attrs = MMPLAYER_GET_ATTRS(player);
+               if ( ! attrs )
+               {
+                       debug_error("fail to get attributes.\n");
+                       return;
+               }
+
+               mm_attrs_get_int_by_name(attrs, "sound_fadeup", &antishock);
+
+               if (player->sm.antishock) {
+                       antishock = TRUE;
+                       player->sm.antishock = 0;
+               }
+
+               debug_log("setting antishock as (%d)\n", antishock);
+
+               if ( disable_by_force )
+               {
+                       debug_log("but, antishock is disabled by force when is seeked\n");
+
+                       antishock = FALSE;
+               }
+
+               g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "fadeup", antishock, NULL);
+       }
+
+       MMPLAYER_FLEAVE();
+
+       return;
+}
+
+
+static gboolean
+__mmplayer_link_decoder( mm_player_t* player, GstPad *srcpad)
+{
+       const gchar* name = NULL;
+       GstStructure* str = NULL;
+       GstCaps* srccaps = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail( player, FALSE );
+       return_val_if_fail ( srcpad, FALSE );
+
+       /* to check any of the decoder (video/audio) need to be linked  to parser*/
+       srccaps = gst_pad_get_caps( srcpad );
+       if ( !srccaps )
+               goto ERROR;
+
+       str = gst_caps_get_structure( srccaps, 0 );
+       if ( ! str )
+               goto ERROR;
+
+       name = gst_structure_get_name(str);
+       if ( ! name )
+               goto ERROR;
+
+       if (strstr(name, "video"))
+       {
+               if(player->videodec_linked)
+               {
+                   debug_msg("Video decoder already linked\n");
+                       return FALSE;
+               }
+       }
+       if (strstr(name, "audio"))
+       {
+               if(player->audiodec_linked)
+               {
+                   debug_msg("Audio decoder already linked\n");
+                       return FALSE;
+               }
+       }
+
+       gst_caps_unref( srccaps );
+
+       MMPLAYER_FLEAVE();
+
+       return TRUE;
+
+ERROR:
+       if ( srccaps )
+               gst_caps_unref( srccaps );
+
+       return FALSE;
+}
+
+static gboolean
+__mmplayer_link_sink( mm_player_t* player , GstPad *srcpad)
+{
+       const gchar* name = NULL;
+       GstStructure* str = NULL;
+       GstCaps* srccaps = NULL;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, FALSE );
+       return_val_if_fail ( srcpad, FALSE );
+
+       /* to check any of the decoder (video/audio) need to be linked  to parser*/
+       srccaps = gst_pad_get_caps( srcpad );
+       if ( !srccaps )
+               goto ERROR;
+
+       str = gst_caps_get_structure( srccaps, 0 );
+       if ( ! str )
+               goto ERROR;
+
+       name = gst_structure_get_name(str);
+       if ( ! name )
+               goto ERROR;
+
+       if (strstr(name, "video"))
+       {
+               if(player->videosink_linked)
+               {
+                       debug_msg("Video Sink already linked\n");
+                       return FALSE;
+               }
        }
-
-       /* post error to application */
-       if ( ! player->posted_msg )
+       if (strstr(name, "audio"))
        {
-               MMPLAYER_POST_MSG( player, MM_MESSAGE_ERROR, &msg_param );
-
-               /* don't post more if one was sent already */
-               player->posted_msg = TRUE;
+               if(player->audiosink_linked)
+               {
+                       debug_msg("Audio Sink already linked\n");
+                       return FALSE;
+               }
        }
-       else
+       if (strstr(name, "text"))
        {
-               debug_log("skip error post because it's sent already.\n");
+               if(player->textsink_linked)
+               {
+                       debug_msg("Text Sink already linked\n");
+                       return FALSE;
+               }
        }
 
-       debug_fleave();
+       gst_caps_unref( srccaps );
+
+       MMPLAYER_FLEAVE();
 
        return TRUE;
+       //return (!player->videosink_linked || !player->audiosink_linked);
+
+ERROR:
+       if ( srccaps )
+               gst_caps_unref( srccaps );
 
+       return FALSE;
 }
 
-static gint
-__gst_handle_core_error( mm_player_t* player, int code )
+
+/* sending event to one of sinkelements */
+static gboolean
+__gst_send_event_to_sink( mm_player_t* player, GstEvent* event )
 {
-       gint trans_err = MM_ERROR_NONE;
+       GstEvent * event2 = NULL;
+       GList *sinks = NULL;
+       gboolean res = FALSE;
+       GstPad *sinkpad = NULL;
+       MMPLAYER_FENTER();
 
-       debug_fenter();
+       return_val_if_fail( player, FALSE );
+       return_val_if_fail ( event, FALSE );
 
-       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       if ( player->play_subtitle && !player->use_textoverlay)
+               event2 = gst_event_copy((const GstEvent *)event);
 
-       switch ( code )
+       sinks = player->sink_elements;
+       while (sinks)
        {
-               case GST_CORE_ERROR_STATE_CHANGE:
-               case GST_CORE_ERROR_MISSING_PLUGIN:
-               case GST_CORE_ERROR_SEEK:
-               case GST_CORE_ERROR_NOT_IMPLEMENTED:
-               case GST_CORE_ERROR_FAILED:
-               case GST_CORE_ERROR_TOO_LAZY:
-               case GST_CORE_ERROR_PAD:
-               case GST_CORE_ERROR_THREAD:
-               case GST_CORE_ERROR_NEGOTIATION:
-               case GST_CORE_ERROR_EVENT:
-               case GST_CORE_ERROR_CAPS:
-               case GST_CORE_ERROR_TAG:
-               case GST_CORE_ERROR_CLOCK:
-               case GST_CORE_ERROR_DISABLED:
-               default:
-                       trans_err = MM_ERROR_PLAYER_INVALID_STREAM;
-               break;
+               GstElement *sink = GST_ELEMENT_CAST (sinks->data);
+
+               if (GST_IS_ELEMENT(sink))
+               {
+                       /* keep ref to the event */
+                       gst_event_ref (event);
+
+                       if ( (res = gst_element_send_event (sink, event)) )
+                       {
+                               debug_log("sending event[%s] to sink element [%s] success!\n",
+                                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink) );
+                               break;
+                       }
+
+                       debug_log("sending event[%s] to sink element [%s] failed. try with next one.\n",
+                               GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink) );
+               }
+
+               sinks = g_list_next (sinks);
        }
 
-       debug_fleave();
+#if 0
+       if (internal_sub)
+         request pad name = sink0;
+       else
+         request pad name = sink1; // external
+#endif
 
-       return trans_err;
+       /* Note : Textbin is not linked to the video or audio bin.
+        * It needs to send the event to the text sink seperatelly.
+        */
+       if ( player->play_subtitle && !player->use_textoverlay)
+       {
+         GstElement *text_sink = NULL;
+         gchar *change_pad_name = NULL;
+
+         debug_log ("external subtitle active idx = %d", player->external_text_idx);
+
+         /* To get the new pad from the selector */
+         change_pad_name = g_strdup_printf ("sink%d", player->external_text_idx);
+         if (change_pad_name == NULL)
+         {
+           debug_warning ("Pad does not exists\n");
+           return FALSE;
+         }
+
+         g_object_get (player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "active-pad", &sinkpad, NULL);
+         if (!strcmp (GST_PAD_NAME (sinkpad), change_pad_name))
+         {
+           debug_log ("active pad & change pad are same no need to change active pad");
+         }
+         else
+         {
+           sinkpad = gst_element_get_static_pad (player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, change_pad_name);
+           if (sinkpad == NULL)
+           {
+             debug_error ("failed to get static pad");;
+             return FALSE;
+           }
+
+           debug_log ("Set Active Pad - %s:%s\n", GST_DEBUG_PAD_NAME(sinkpad));
+           g_object_set (player->pipeline->mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, "active-pad", sinkpad, NULL);
+         }
+
+         text_sink = GST_ELEMENT_CAST (player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst);
+
+         if (GST_IS_ELEMENT(text_sink))
+         {
+           /* keep ref to the event */
+           gst_event_ref (event2);
+
+           if ( (res != gst_element_send_event (text_sink, event2)) )
+           {
+             debug_error("sending event[%s] to subtitle sink element [%s] failed!\n",
+                 GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink) );
+           }
+           else
+           {
+             debug_log("sending event[%s] to subtitle sink element [%s] success!\n",
+                 GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink) );
+           }
+
+           gst_event_unref (event2);
+         }
+         g_free(change_pad_name);
+       }
+
+       gst_event_unref (event);
+
+       MMPLAYER_FLEAVE();
+
+       return res;
 }
 
-static gint
-__gst_handle_library_error( mm_player_t* player, int code )
+static void
+__mmplayer_add_sink( mm_player_t* player, GstElement* sink )
 {
-       gint trans_err = MM_ERROR_NONE;
-
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_if_fail ( player );
+       return_if_fail ( sink );
 
-       switch ( code )
-       {
-               case GST_LIBRARY_ERROR_FAILED:
-               case GST_LIBRARY_ERROR_TOO_LAZY:
-               case GST_LIBRARY_ERROR_INIT:
-               case GST_LIBRARY_ERROR_SHUTDOWN:
-               case GST_LIBRARY_ERROR_SETTINGS:
-               case GST_LIBRARY_ERROR_ENCODE:
-               default:
-                       trans_err =  MM_ERROR_PLAYER_INVALID_STREAM;
-               break;
-       }
-       
-       debug_fleave();
+       player->sink_elements =
+               g_list_append(player->sink_elements, sink);
 
-       return trans_err;
+       MMPLAYER_FLEAVE();
 }
 
+static void
+__mmplayer_del_sink( mm_player_t* player, GstElement* sink )
+{
+       MMPLAYER_FENTER();
 
-static gint
-__gst_handle_resource_error( mm_player_t* player, int code )
+       return_if_fail ( player );
+       return_if_fail ( sink );
+
+       player->sink_elements =
+                       g_list_remove(player->sink_elements, sink);
+
+       MMPLAYER_FLEAVE();
+}
+
+static gboolean
+__gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
+                       GstFormat format, GstSeekFlags flags, GstSeekType cur_type,
+                       gint64 cur, GstSeekType stop_type, gint64 stop )
 {
-       gint trans_err = MM_ERROR_NONE;
+       GstEvent* event = NULL;
+       gboolean result = FALSE;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail( player, FALSE );
 
-       switch ( code )
-       {
-               case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
-                       trans_err = MM_ERROR_PLAYER_NO_FREE_SPACE;
-                       break;
-               case GST_RESOURCE_ERROR_NOT_FOUND:
-               case GST_RESOURCE_ERROR_OPEN_READ:
-                       if ( MMPLAYER_IS_HTTP_STREAMING(player) || MMPLAYER_IS_HTTP_LIVE_STREAMING ( player ) )
-                       {
-                               trans_err = MM_ERROR_PLAYER_STREAMING_CONNECTION_FAIL;
-                               break;
-                       }
-               case GST_RESOURCE_ERROR_READ:
-                       if ( MMPLAYER_IS_HTTP_STREAMING(player) ||  MMPLAYER_IS_HTTP_LIVE_STREAMING ( player ))
-                       {
-                               trans_err = MM_ERROR_PLAYER_STREAMING_FAIL;
-                               break;
-                       }
-               case GST_RESOURCE_ERROR_SEEK:
-               case GST_RESOURCE_ERROR_FAILED:
-               case GST_RESOURCE_ERROR_TOO_LAZY:
-               case GST_RESOURCE_ERROR_BUSY:
-               case GST_RESOURCE_ERROR_OPEN_WRITE:
-               case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
-               case GST_RESOURCE_ERROR_CLOSE:
-               case GST_RESOURCE_ERROR_WRITE:
-               case GST_RESOURCE_ERROR_SYNC:
-               case GST_RESOURCE_ERROR_SETTINGS:
-               default:
-                       trans_err = MM_ERROR_PLAYER_FILE_NOT_FOUND;
-               break;
-       }
+       __mmplayer_drop_subtitle(player, FALSE);
 
-       debug_fleave();
+       event = gst_event_new_seek (rate, format, flags, cur_type,
+               cur, stop_type, stop);
 
-       return trans_err;
-}
+       result = __gst_send_event_to_sink( player, event );
 
+       MMPLAYER_FLEAVE();
 
-static gint
-__gst_handle_stream_error( mm_player_t* player, GError* error, GstMessage * message )
+       return result;
+}
+
+/* NOTE : be careful with calling this api. please refer to below glib comment
+ * glib comment : Note that there is a bug in GObject that makes this function much
+ * less useful than it might seem otherwise. Once gobject is disposed, the callback
+ * will no longer be called, but, the signal handler is not currently disconnected.
+ * If the instance is itself being freed at the same time than this doesn't matter,
+ * since the signal will automatically be removed, but if instance persists,
+ * then the signal handler will leak. You should not remove the signal yourself
+ * because in a future versions of GObject, the handler will automatically be
+ * disconnected.
+ *
+ * It's possible to work around this problem in a way that will continue to work
+ * with future versions of GObject by checking that the signal handler is still
+ * connected before disconnected it:
+ *
+ *  if (g_signal_handler_is_connected (instance, id))
+ *    g_signal_handler_disconnect (instance, id);
+ */
+static void
+__mmplayer_release_signal_connection(mm_player_t* player, MMPlayerSignalType type)
 {
-       gint trans_err = MM_ERROR_NONE;
+       GList* sig_list = NULL;
+       MMPlayerSignalItem* item = NULL;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail( error, MM_ERROR_INVALID_ARGUMENT );
-       return_val_if_fail ( message, MM_ERROR_INVALID_ARGUMENT );
+       return_if_fail( player );
 
-       switch ( error->code )
-       {
-               case GST_STREAM_ERROR_FAILED:
-               case GST_STREAM_ERROR_TYPE_NOT_FOUND:
-               case GST_STREAM_ERROR_DECODE:
-               case GST_STREAM_ERROR_WRONG_TYPE:
-               case GST_STREAM_ERROR_DECRYPT:
-                        trans_err = __gst_transform_gsterror( player, message, error );
-               break;
+       debug_log("release signals type : %d", type);
 
-               case GST_STREAM_ERROR_CODEC_NOT_FOUND:
-               case GST_STREAM_ERROR_NOT_IMPLEMENTED:
-               case GST_STREAM_ERROR_TOO_LAZY:
-               case GST_STREAM_ERROR_ENCODE:
-               case GST_STREAM_ERROR_DEMUX:
-               case GST_STREAM_ERROR_MUX:
-               case GST_STREAM_ERROR_FORMAT:
-               case GST_STREAM_ERROR_DECRYPT_NOKEY:
-               default:
-                       trans_err = MM_ERROR_PLAYER_INVALID_STREAM;
-               break;
+       if ((type < MM_PLAYER_SIGNAL_TYPE_AUTOPLUG) || (type >= MM_PLAYER_SIGNAL_TYPE_ALL))
+       {
+               __mmplayer_release_signal_connection (player, MM_PLAYER_SIGNAL_TYPE_AUTOPLUG);
+               __mmplayer_release_signal_connection (player, MM_PLAYER_SIGNAL_TYPE_VIDEOBIN);
+               __mmplayer_release_signal_connection (player, MM_PLAYER_SIGNAL_TYPE_AUDIOBIN);
+               __mmplayer_release_signal_connection (player, MM_PLAYER_SIGNAL_TYPE_TEXTBIN);
+               __mmplayer_release_signal_connection (player, MM_PLAYER_SIGNAL_TYPE_OTHERS);
+               return;
        }
 
-       debug_fleave();
+       sig_list = player->signals[type];
 
-       return trans_err;
-}
+       for ( ; sig_list; sig_list = sig_list->next )
+       {
+               item = sig_list->data;
 
+               if ( item && item->obj && GST_IS_ELEMENT(item->obj) )
+               {
+                       if ( g_signal_handler_is_connected ( item->obj, item->sig ) )
+                       {
+                               g_signal_handler_disconnect ( item->obj, item->sig );
+                       }
+               }
 
-/* NOTE : decide gstreamer state whether there is some playable track or not. */
-static gint
-__gst_transform_gsterror( mm_player_t* player, GstMessage * message, GError* error )
-{
-       gchar *src_element_name = NULL;
-       GstElement *src_element = NULL;
-       GstElementFactory *factory = NULL;
-       const gchar* klass = NULL;
-       
-       debug_fenter();
+               MMPLAYER_FREEIF( item );
+       }
 
-       /* FIXIT */
-       return_val_if_fail ( message, MM_ERROR_INVALID_ARGUMENT );
-       return_val_if_fail ( message->src, MM_ERROR_INVALID_ARGUMENT );
-       return_val_if_fail ( error, MM_ERROR_INVALID_ARGUMENT );
+       g_list_free ( player->signals[type] );
+       player->signals[type] = NULL;
+
+       MMPLAYER_FLEAVE();
+
+       return;
+}
+
+int _mmplayer_change_videosink(MMHandleType handle, MMDisplaySurfaceType surface_type, void *display_overlay)
+{
+       mm_player_t* player = 0;
+       int prev_display_surface_type = 0;
+       void *prev_display_overlay = NULL;
+       const gchar *klass = NULL;
+       gchar *cur_videosink_name = NULL;
+       int ret = 0;
+       int i = 0;
+       int num_of_dec = 2; /* DEC1, DEC2 */
 
-       src_element = GST_ELEMENT_CAST(message->src);
-       if ( !src_element )
-               goto INTERNAL_ERROR;
-       
-       src_element_name = GST_ELEMENT_NAME(src_element);
-       if ( !src_element_name )
-               goto INTERNAL_ERROR;
+       MMPLAYER_FENTER();
 
-       factory = gst_element_get_factory(src_element);
-       if ( !factory )
-               goto INTERNAL_ERROR;
-       
-       klass = gst_element_factory_get_klass(factory);
-       if ( !klass )
-               goto INTERNAL_ERROR;
+       return_val_if_fail(handle, MM_ERROR_COMMON_INVALID_ARGUMENT);
+       return_val_if_fail(display_overlay, MM_ERROR_COMMON_INVALID_ARGUMENT);
 
-       debug_log("error code=%d, msg=%s, src element=%s, class=%s\n", 
-                       error->code, error->message, src_element_name, klass);
+       player = MM_PLAYER_CAST(handle);
 
+       if (surface_type < MM_DISPLAY_SURFACE_X && surface_type > MM_DISPLAY_SURFACE_EVAS)
+       {
+               debug_error("Not support this surface type(%d) for changing vidoesink", surface_type);
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_INVALID_ARGUMENT;
+       }
 
-       switch ( error->code )
+       /* load previous attributes */
+       if (player->attrs)
        {
-               case GST_STREAM_ERROR_DECODE:
+               mm_attrs_get_int_by_name (player->attrs, "display_surface_type", &prev_display_surface_type);
+               mm_attrs_get_data_by_name (player->attrs, "display_overlay", &prev_display_overlay);
+               debug_log("[0: X surface, 1: EVAS surface] previous surface type(%d), new surface type(%d)", prev_display_surface_type, surface_type);
+               if (prev_display_surface_type == surface_type)
                {
-                       /* NOTE : Delay is needed because gst callback is sometime sent
-                        * before completing autoplugging.
-                        * Timer is more better than usleep.
-                        * But, transformed msg value should be stored in player handle
-                        * for function to call by timer.
-                        */
-                       if ( PLAYER_INI()->async_start )
-                               usleep(500000);
-
-                       /* Demuxer can't parse one track because it's corrupted.
-                        * So, the decoder for it is not linked.
-                        * But, it has one playable track.
-                        */
-                       if ( g_strrstr(klass, "Demux") )
-                       {
-                               if ( player->can_support_codec == FOUND_PLUGIN_VIDEO )
-                               {
-                                       return MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
-                               }
-                               else if ( player->can_support_codec == FOUND_PLUGIN_AUDIO )
-                               {
-                                       return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
-                               }
-                               else
-                               {
-                                       if ( player->pipeline->audiobin ) // PCM
-                                       {
-                                               return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
-                                       }
-                                       else
-                                       {
-                                               goto CODEC_NOT_FOUND;
-                                       }
-                               }
-                       }
-                       return MM_ERROR_PLAYER_INVALID_STREAM;
+                       debug_log("incoming display surface type is same as previous one, do nothing..");
+                       MMPLAYER_FLEAVE();
+                       return MM_ERROR_NONE;
                }
-               break;
+       }
+       else
+       {
+               debug_error("failed to load attributes");
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-               case GST_STREAM_ERROR_WRONG_TYPE:
+       /* check videosink element is created */
+       if (!player->pipeline || !player->pipeline->videobin ||
+               !player->pipeline->videobin[MMPLAYER_V_SINK].gst )
+       {
+               debug_log("videosink element is not yet ready");
+
+               /* videobin is not created yet, so we just set attributes related to display surface */
+               debug_log("store display attribute for given surface type(%d)", surface_type);
+               mm_attrs_set_int_by_name (player->attrs, "display_surface_type", surface_type);
+               mm_attrs_set_data_by_name (player->attrs, "display_overlay", display_overlay, sizeof(display_overlay));
+               if ( mmf_attrs_commit ( player->attrs ) )
                {
-                       return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+                       debug_error("failed to commit attribute");
+                       MMPLAYER_FLEAVE();
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_NONE;
+       }
+       else
+       {
+               /* get player command status */
+               if ( !(player->cmd == MMPLAYER_COMMAND_START || player->cmd == MMPLAYER_COMMAND_RESUME || player->cmd == MMPLAYER_COMMAND_PAUSE) )
+               {
+                       debug_error("invalid player command status(%d), __mmplayer_do_change_videosink() is only available with START/RESUME/PAUSE command",player->cmd);
+                       MMPLAYER_FLEAVE();
+                       return MM_ERROR_PLAYER_INVALID_STATE;
                }
-               break;
 
-               case GST_STREAM_ERROR_FAILED:
+               /* get a current videosink name */
+               cur_videosink_name = GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_SINK].gst);
+
+               /* surface change */
+               for ( i = 0 ; i < num_of_dec ; i++)
                {
-                       /* Decoder Custom Message */
-                       if ( strstr(error->message, "ongoing") )
+                       if ( player->pipeline->mainbin &&
+                               player->pipeline->mainbin[MMPLAYER_M_DEC1+i].gst )
                        {
-                               if ( strcasestr(klass, "audio") )
+                               klass = gst_element_factory_get_klass( gst_element_get_factory(player->pipeline->mainbin[MMPLAYER_M_DEC1+i].gst) );
+                               if ((g_strrstr(klass, "Codec/Decoder/Video")))
                                {
-                                       if ( ( player->can_support_codec & FOUND_PLUGIN_VIDEO ) )
-                                       {
-                                               debug_log("Video can keep playing.\n");
-                                               return MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
-                                       }
-                                       else
+                                       if ( !strncmp(cur_videosink_name, "x", 1) && (surface_type == MM_DISPLAY_SURFACE_EVAS) )
                                        {
-                                               goto CODEC_NOT_FOUND;
+                                               ret = __mmplayer_do_change_videosink(player, MMPLAYER_M_DEC1+i, player->ini.videosink_element_evas, surface_type, display_overlay);
+                                               if (ret)
+                                               {
+                                                       goto ERROR_CASE;
+                                               }
+                                               else
+                                               {
+                                                       debug_warning("success to changing display surface(%d)",surface_type);
+                                                       MMPLAYER_FLEAVE();
+                                                       return MM_ERROR_NONE;
+                                               }
                                        }
-
-                               }
-                               else if ( strcasestr(klass, "video") )
-                               {
-                                       if ( ( player->can_support_codec & FOUND_PLUGIN_AUDIO ) )
+                                       else if (!strncmp(cur_videosink_name, "evas", 4) && (surface_type == MM_DISPLAY_SURFACE_X) )
                                        {
-                                               debug_log("Audio can keep playing.\n");
-                                               return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+                                               ret = __mmplayer_do_change_videosink(player, MMPLAYER_M_DEC1+i, player->ini.videosink_element_x, surface_type, display_overlay);
+                                               if (ret)
+                                               {
+                                                       goto ERROR_CASE;
+                                               }
+                                               else
+                                               {
+                                                       debug_warning("success to changing display surface(%d)",surface_type);
+                                                       MMPLAYER_FLEAVE();
+                                                       return MM_ERROR_NONE;
+                                               }
                                        }
                                        else
                                        {
-                                               goto CODEC_NOT_FOUND;
+                                               debug_error("invalid incoming surface type(%d) and current videosink_name(%s) for changing display surface",surface_type, cur_videosink_name);
+                                               ret = MM_ERROR_PLAYER_INTERNAL;
+                                               goto ERROR_CASE;
                                        }
                                }
                        }
-       return MM_ERROR_PLAYER_INVALID_STREAM;
-               }
-               break;
-
-               case GST_STREAM_ERROR_TYPE_NOT_FOUND:
-               {                               
-                       goto CODEC_NOT_FOUND;
-               }
-               break;
-
-               case GST_STREAM_ERROR_DECRYPT:
-               {                               
-                       debug_log("%s failed reason : %s\n", src_element_name, error->message);
-                       return MM_MESSAGE_DRM_NOT_AUTHORIZED;
                }
-               break;
-
-               default:
-               break;
        }
 
-       debug_fleave();
-
-       return MM_ERROR_PLAYER_INVALID_STREAM;
-
-INTERNAL_ERROR:
-       return MM_ERROR_PLAYER_INTERNAL;
-
-CODEC_NOT_FOUND:
-       debug_log("not found any available codec. Player should be destroyed.\n");
-       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+ERROR_CASE:
+       /* rollback to previous attributes */
+       mm_attrs_set_int_by_name (player->attrs, "display_surface_type", prev_display_surface_type);
+       mm_attrs_set_data_by_name(player->attrs, "display_overlay", prev_display_overlay, sizeof(prev_display_overlay));
+       if ( mmf_attrs_commit ( player->attrs ) )
+       {
+               debug_error("failed to commit attributes to rollback");
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       MMPLAYER_FLEAVE();
+       return ret;
 }
 
-static void
-__mmplayer_post_delayed_eos( mm_player_t* player, int delay_in_ms )
+/* NOTE : It does not support some use cases, eg using colorspace converter */
+int
+__mmplayer_do_change_videosink(mm_player_t* player, const int dec_index, const char *videosink_element, MMDisplaySurfaceType surface_type, void *display_overlay)
 {
-       debug_fenter();
+       GstPad *src_pad_dec = NULL;
+       GstPad *sink_pad_videosink = NULL;
+       GstPad *sink_pad_videobin = NULL;
+       GstClock *clock = NULL;
+       MMPlayerStateType previous_state = MM_PLAYER_STATE_NUM;
+       int ret = MM_ERROR_NONE;
+       gboolean is_audiobin_created = TRUE;
 
-       return_if_fail( player );
+       MMPLAYER_FENTER();
 
-       /* cancel if existing */
-       __mmplayer_cancel_delayed_eos( player );
+       return_val_if_fail(player, MM_ERROR_COMMON_INVALID_ARGUMENT);
+       return_val_if_fail(videosink_element, MM_ERROR_COMMON_INVALID_ARGUMENT);
+       return_val_if_fail(display_overlay, MM_ERROR_COMMON_INVALID_ARGUMENT);
 
+       debug_log("video dec is found(idx:%d), we are going to change videosink to %s", dec_index, videosink_element);
+       debug_log("surface type(%d), display overlay(%x)", surface_type, display_overlay);
 
-       /* post now if delay is zero */
-       if ( delay_in_ms == 0 || player->is_sound_extraction)
+       /* get information whether if audiobin is created */
+       if ( !player->pipeline->audiobin ||
+                    !player->pipeline->audiobin[MMPLAYER_A_SINK].gst )
        {
-               debug_log("eos delay is zero. posting EOS now\n");
-               MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
-
-               if ( player->is_sound_extraction )
-                       __mmplayer_cancel_delayed_eos(player);
-
-               return;
+               debug_warning("audiobin is null, this video content may not have audio data");
+               is_audiobin_created = FALSE;
        }
 
-       /* init new timeout */
-       /* NOTE : consider give high priority to this timer */
-
-       debug_log("posting EOS message after [%d] msec\n", delay_in_ms);
-       player->eos_timer = g_timeout_add( delay_in_ms,
-               __mmplayer_eos_timer_cb, player );
+       /* get current state of player */
+       previous_state = MMPLAYER_CURRENT_STATE(player);
+       debug_log("previous state(%d)", previous_state);
 
 
-       /* check timer is valid. if not, send EOS now */
-       if ( player->eos_timer == 0 )
+       /* get src pad of decoder and block it */
+       src_pad_dec = gst_element_get_static_pad (GST_ELEMENT(player->pipeline->mainbin[dec_index].gst), "src");
+       if (!src_pad_dec)
        {
-               debug_warning("creating timer for delayed EOS has failed. sending EOS now\n");
-               MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
+               debug_error("failed to get src pad from decode in mainbin");
+               return MM_ERROR_PLAYER_INTERNAL;
        }
 
-       debug_fleave();
-}
-
-static void
-__mmplayer_cancel_delayed_eos( mm_player_t* player )
-{
-       debug_fenter();
-
-       return_if_fail( player );
-
-       if ( player->eos_timer )
+       if (!player->doing_seek && previous_state == MM_PLAYER_STATE_PLAYING)
        {
-               g_source_remove( player->eos_timer );
+               debug_warning("trying to block pad(video)");
+               if (!gst_pad_set_blocked (src_pad_dec, TRUE))
+               {
+                       debug_error("failed to set block pad(video)");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+               debug_warning("pad is blocked(video)");
+       }
+       else
+       {
+               /* no data flows, so no need to do pad_block */
+               if (player->doing_seek) {
+                       debug_warning("not completed seek(%d), do nothing", player->doing_seek);
+               }
+               debug_log("MM_PLAYER_STATE is not PLAYING now, skip pad-block(TRUE)");
        }
 
-       player->eos_timer = 0;
-
-       debug_fleave();
-
-       return;
-}
+       /* remove pad */
+       if (!gst_element_remove_pad(player->pipeline->videobin[MMPLAYER_V_BIN].gst,
+               GST_PAD_CAST(GST_GHOST_PAD(player->ghost_pad_for_videobin))))
+       {
+               debug_error("failed to remove previous ghost_pad for videobin");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-static gboolean
-__mmplayer_eos_timer_cb(gpointer u_data)
-{
-       mm_player_t* player = NULL;
-       player = (mm_player_t*) u_data;
+       /* change state of videobin to NULL */
+       debug_log("setting [%s] state to : %d", GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_STATE_NULL);
+       ret = gst_element_set_state(player->pipeline->videobin[MMPLAYER_V_BIN].gst, GST_STATE_NULL);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of videobin to NULL");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-       debug_fenter();
+       /* unlink between decoder and videobin and remove previous videosink from videobin */
+       GST_ELEMENT_UNLINK(GST_ELEMENT(player->pipeline->mainbin[dec_index].gst),GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_BIN].gst));
+       if ( !gst_bin_remove (GST_BIN(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_SINK].gst)) )
+       {
+               debug_error("failed to remove former videosink from videobin");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-       return_val_if_fail( player, FALSE );
+       __mmplayer_del_sink( player, player->pipeline->videobin[MMPLAYER_V_SINK].gst );
 
-       /* posting eos */
-       MMPLAYER_POST_MSG( player, MM_MESSAGE_END_OF_STREAM, NULL );
+       /* create a new videosink and add it to videobin */
+       player->pipeline->videobin[MMPLAYER_V_SINK].gst = gst_element_factory_make(videosink_element, videosink_element);
+       gst_bin_add (GST_BIN(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_SINK].gst));
+       __mmplayer_add_sink( player, player->pipeline->videobin[MMPLAYER_V_SINK].gst );
+       g_object_set (G_OBJECT (player->pipeline->videobin[MMPLAYER_V_SINK].gst), "qos", TRUE, NULL);
 
-       /* cleare timer id */
-       player->eos_timer = 0;
+       /* save attributes */
+       if (player->attrs)
+       {
+               /* set a new display surface type */
+               mm_attrs_set_int_by_name (player->attrs, "display_surface_type", surface_type);
+               /* set a new diplay overlay */
+               switch (surface_type)
+               {
+                       case MM_DISPLAY_SURFACE_X:
+                               debug_log("save attributes related to display surface to X : xid = %d", *(int*)display_overlay);
+                               mm_attrs_set_data_by_name (player->attrs, "display_overlay", display_overlay, sizeof(display_overlay));
+                               break;
+                       case MM_DISPLAY_SURFACE_EVAS:
+                               debug_log("save attributes related to display surface to EVAS : evas image object = %x", display_overlay);
+                               mm_attrs_set_data_by_name (player->attrs, "display_overlay", display_overlay, sizeof(display_overlay));
+                               break;
+                       default:
+                               debug_error("invalid type(%d) for changing display surface",surface_type);
+                               MMPLAYER_FLEAVE();
+                               return MM_ERROR_INVALID_ARGUMENT;
+               }
+               if ( mmf_attrs_commit ( player->attrs ) )
+               {
+                       debug_error("failed to commit");
+                       MMPLAYER_FLEAVE();
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+       }
+       else
+       {
+               debug_error("player->attrs is null, failed to save attributes");
+               MMPLAYER_FLEAVE();
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-       debug_fleave();
+       /* update video param */
+       if ( MM_ERROR_NONE != _mmplayer_update_video_param( player ) )
+       {
+               debug_error("failed to update video param");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-       /* we are returning FALSE as we need only one posting */
-       return FALSE;
-}
+       /* change state of videobin to READY */
+       debug_log("setting [%s] state to : %d", GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_STATE_READY);
+       ret = gst_element_set_state(player->pipeline->videobin[MMPLAYER_V_BIN].gst, GST_STATE_READY);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of videobin to READY");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
-static void __mmplayer_set_antishock( mm_player_t* player, gboolean disable_by_force)
-{
-       gint antishock = FALSE;
-       MMHandleType attrs = 0;
+       /* change ghostpad */
+       sink_pad_videosink = gst_element_get_static_pad(GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_SINK].gst), "sink");
+       if ( !sink_pad_videosink )
+       {
+               debug_error("failed to get sink pad from videosink element");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       player->ghost_pad_for_videobin = gst_ghost_pad_new("sink", sink_pad_videosink);
+       if (!gst_pad_set_active(player->ghost_pad_for_videobin, TRUE))
+       {
+               debug_error("failed to set active to ghost_pad");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       if ( FALSE == gst_element_add_pad(player->pipeline->videobin[MMPLAYER_V_BIN].gst, player->ghost_pad_for_videobin) )
+       {
+               debug_error("failed to change ghostpad for videobin");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       gst_object_unref(sink_pad_videosink);
 
-       debug_fenter();
+       /* link decoder with videobin */
+       sink_pad_videobin = gst_element_get_static_pad( GST_ELEMENT(player->pipeline->videobin[MMPLAYER_V_BIN].gst), "sink");
+       if ( !sink_pad_videobin )
+       {
+               debug_error("failed to get sink pad from videobin");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       if ( GST_PAD_LINK_OK != GST_PAD_LINK(src_pad_dec, sink_pad_videobin) )
+       {
+               debug_error("failed to link");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+       gst_object_unref(sink_pad_videobin);
 
-       return_if_fail ( player && player->pipeline );
+       /* clock setting for a new videosink plugin */
+       /* NOTE : Below operation is needed, because a new videosink plugin doesn't have clock for basesink,
+                       so we set it from audiosink plugin or pipeline(system clock) */
+       if (!is_audiobin_created)
+       {
+               debug_warning("audiobin is not created, get clock from pipeline..");
+               clock = GST_ELEMENT_CLOCK (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst);
+       }
+       else
+       {
+               clock = GST_ELEMENT_CLOCK (player->pipeline->audiobin[MMPLAYER_A_SINK].gst);
+       }
+       if (clock)
+       {
+               GstClockTime now;
+               GstClockTime base_time;
+               debug_log("set the clock to videosink");
+               gst_element_set_clock (GST_ELEMENT_CAST(player->pipeline->videobin[MMPLAYER_V_SINK].gst), clock);
+               clock = GST_ELEMENT_CLOCK (player->pipeline->videobin[MMPLAYER_V_SINK].gst);
+               if (clock)
+               {
+                       debug_log("got clock of videosink");
+                       now = gst_clock_get_time ( clock );
+                       base_time = GST_ELEMENT_CAST (player->pipeline->videobin[MMPLAYER_V_SINK].gst)->base_time;
+                       debug_log ("at time %" GST_TIME_FORMAT ", base %"
+                                       GST_TIME_FORMAT, GST_TIME_ARGS (now), GST_TIME_ARGS (base_time));
+               }
+               else
+               {
+                       debug_error("failed to get clock of videosink after setting clock");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+       }
+       else
+       {
+               debug_warning("failed to get clock, maybe it is the time before first playing");
+       }
 
-       /* It should be passed for video only clip */
-       if ( ! player->pipeline->audiobin )
-               return;
+       if (!player->doing_seek && previous_state == MM_PLAYER_STATE_PLAYING)
+       {
+               /* change state of videobin to PAUSED */
+               debug_log("setting [%s] state to : %d", GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_STATE_PLAYING);
+               ret = gst_element_set_state(player->pipeline->videobin[MMPLAYER_V_BIN].gst, GST_STATE_PLAYING);
+               if (ret != GST_STATE_CHANGE_FAILURE)
+               {
+                       debug_warning("change state of videobin to PLAYING, ret(%d)", ret);
+               }
+               else
+               {
+                       debug_error("failed to change state of videobin to PLAYING");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
 
-       if ( ( g_strrstr(PLAYER_INI()->name_of_audiosink, "avsysaudiosink")) )
+               /* release blocked and unref src pad of video decoder */
+               if (!gst_pad_set_blocked (src_pad_dec, FALSE))
+               {
+                       debug_error("failed to set pad blocked FALSE(video)");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+               debug_warning("pad is unblocked(video)");
+       }
+       else
        {
-               attrs = MMPLAYER_GET_ATTRS(player);
-               if ( ! attrs )
+               if (player->doing_seek) {
+                       debug_warning("not completed seek(%d)", player->doing_seek);
+               }
+               /* change state of videobin to PAUSED */
+               debug_log("setting [%s] state to : %d", GST_ELEMENT_NAME(player->pipeline->videobin[MMPLAYER_V_BIN].gst), GST_STATE_PAUSED);
+               ret = gst_element_set_state(player->pipeline->videobin[MMPLAYER_V_BIN].gst, GST_STATE_PAUSED);
+               if (ret != GST_STATE_CHANGE_FAILURE)
                {
-                       debug_error("fail to get attributes.\n");
-                       return;
+                       debug_warning("change state of videobin to PAUSED, ret(%d)", ret);
+               }
+               else
+               {
+                       debug_error("failed to change state of videobin to PLAYING");
+                       return MM_ERROR_PLAYER_INTERNAL;
                }
 
-               mm_attrs_get_int_by_name(attrs, "sound_fadeup", &antishock);
+               /* already skipped pad block */
+               debug_log("previous MM_PLAYER_STATE is not PLAYING, skip pad-block(FALSE)");
+       }
 
-               debug_log("setting antishock as (%d)\n", antishock);
+       /* do get/set position for new videosink plugin */
+       {
+               unsigned long position = 0;
+               gint64 pos_msec = 0;
 
-               if ( disable_by_force )
+               debug_log("do get/set position for new videosink plugin");
+               if (__gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &position ))
                {
-                       debug_log("but, antishock is disabled by force when is seeked\n");
-
-                       antishock = FALSE;
+                       debug_error("failed to get position");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+#ifdef SINKCHANGE_WITH_ACCURATE_SEEK
+               /* accurate seek */
+               if (__gst_set_position(player, MM_PLAYER_POS_FORMAT_TIME, position, TRUE ))
+               {
+                       debug_error("failed to set position");
+                       return MM_ERROR_PLAYER_INTERNAL;
+               }
+#else
+               /* key unit seek */
+               pos_msec = position * G_GINT64_CONSTANT(1000000);
+               ret = __gst_seek ( player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, 1.0,
+                               GST_FORMAT_TIME, ( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT ),
+                                                       GST_SEEK_TYPE_SET, pos_msec,
+                                                       GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE );
+               if ( !ret  )
+               {
+                       debug_error("failed to set position");
+                       return MM_ERROR_PLAYER_INTERNAL;
                }
+#endif
+       }
 
-               g_object_set(G_OBJECT(player->pipeline->audiobin[MMPLAYER_A_SINK].gst), "fadeup", antishock, NULL);
+       if (src_pad_dec)
+       {
+               gst_object_unref (src_pad_dec);
        }
+       debug_log("success to change sink");
 
-       debug_fleave();
+       MMPLAYER_FLEAVE();
 
-       return;
+       return MM_ERROR_NONE;
 }
 
-
-static gboolean
-__mmplayer_link_decoder( mm_player_t* player, GstPad *srcpad)
+int _mmplayer_sync_subtitle_pipeline(mm_player_t* player)
 {
-       const gchar* name = NULL;
-       GstStructure* str = NULL;
-       GstCaps* srccaps = NULL;
-
-       debug_fenter();
+       MMPlayerGstElement* mainbin = NULL;
+       MMPlayerGstElement* textbin = NULL;
+       GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
+       GstState current_state = GST_STATE_VOID_PENDING;
+       GstState element_state = GST_STATE_VOID_PENDING;
+       GstState element_pending_state = GST_STATE_VOID_PENDING;
+       gint64 time = 0;
+       GstFormat format = GST_FORMAT_TIME;
+       GstEvent *event = NULL;
+       int result = MM_ERROR_NONE;
 
-       return_val_if_fail( player, FALSE );
-       return_val_if_fail ( srcpad, FALSE );
+       GstClock *curr_clock = NULL;
+       GstClockTime base_time, start_time, curr_time;
 
-       /* to check any of the decoder (video/audio) need to be linked  to parser*/
-       srccaps = gst_pad_get_caps( srcpad );
-       if ( !srccaps )
-               goto ERROR;
 
-       str = gst_caps_get_structure( srccaps, 0 );
-       if ( ! str )
-               goto ERROR;
+       MMPLAYER_FENTER();
 
-       name = gst_structure_get_name(str);
-       if ( ! name )
-               goto ERROR;
+       /* check player handle */
+       return_val_if_fail ( player && player->pipeline , MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       if (strstr(name, "video"))
-       {
-               if(player->videodec_linked)
-               {
-                   debug_msg("Video decoder already linked\n");
-                       return FALSE;
-               }
-       }
-       if (strstr(name, "audio"))
+       if (!(player->pipeline->mainbin) || !(player->pipeline->textbin))
        {
-               if(player->audiodec_linked)
-               {
-                   debug_msg("Audio decoder already linked\n");
-                       return FALSE;
-               }
+               debug_error("Pipeline is not in proper state\n");
+               result = MM_ERROR_PLAYER_NOT_INITIALIZED;
+               goto EXIT;
        }
 
-       gst_caps_unref( srccaps );
-
-       debug_fleave();
-
-       return TRUE;
+       mainbin = player->pipeline->mainbin;
+       textbin = player->pipeline->textbin;
 
-ERROR:
-       if ( srccaps )
-               gst_caps_unref( srccaps );
+       current_state = GST_STATE (mainbin[MMPLAYER_M_PIPE].gst);
 
-       return FALSE;
-}
+       // sync clock with current pipeline
+       curr_clock = GST_ELEMENT_CLOCK (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst);
+       curr_time = gst_clock_get_time (curr_clock);
 
-static gboolean
-__mmplayer_link_sink( mm_player_t* player , GstPad *srcpad)
-{
-       const gchar* name = NULL;
-       GstStructure* str = NULL;
-       GstCaps* srccaps = NULL;
+       base_time = gst_element_get_base_time (GST_ELEMENT_CAST (player->pipeline->mainbin[MMPLAYER_M_PIPE].gst));
+       start_time = gst_element_get_start_time (GST_ELEMENT_CAST(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst));
 
-       debug_fenter();
+       debug_log ("base_time=%" GST_TIME_FORMAT " start_time=%" GST_TIME_FORMAT " curr_time=%" GST_TIME_FORMAT,
+               GST_TIME_ARGS (base_time), GST_TIME_ARGS (start_time), GST_TIME_ARGS (curr_time));
 
-       return_val_if_fail ( player, FALSE );
-       return_val_if_fail ( srcpad, FALSE );
+       if (current_state > GST_STATE_READY)
+       {
+               // sync state with current pipeline
+               gst_element_set_state(textbin[MMPLAYER_T_BIN].gst, GST_STATE_PAUSED);
+               gst_element_set_state(mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, GST_STATE_PAUSED); // Naveen : enable if required only
+               gst_element_set_state(mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].gst, GST_STATE_PAUSED);
+               gst_element_set_state(mainbin[MMPLAYER_M_SUBSRC].gst, GST_STATE_PAUSED);
 
-       /* to check any of the decoder (video/audio) need to be linked  to parser*/
-       srccaps = gst_pad_get_caps( srcpad );
-       if ( !srccaps )
-               goto ERROR;
+               ret = gst_element_get_state (mainbin[MMPLAYER_M_SUBSRC].gst, &element_state, &element_pending_state, 5 * GST_SECOND);
+               if ( GST_STATE_CHANGE_FAILURE == ret )
+               {
+                       debug_error("fail to state change.\n");
+               }
+       }
 
-       str = gst_caps_get_structure( srccaps, 0 );
-       if ( ! str )
-               goto ERROR;
+       gst_element_set_base_time (textbin[MMPLAYER_T_BIN].gst, base_time);
+       gst_element_set_start_time(textbin[MMPLAYER_T_BIN].gst, start_time);
 
-       name = gst_structure_get_name(str);
-       if ( ! name )
-               goto ERROR;
+       if (curr_clock)
+       {
+               gst_element_set_clock (textbin[MMPLAYER_T_BIN].gst, curr_clock);
+               gst_object_unref (curr_clock);
+       }
 
-       if (strstr(name, "video"))
+       // seek to current position
+       if (!gst_element_query_position (mainbin[MMPLAYER_M_PIPE].gst, &format, &time))
        {
-               if(player->videosink_linked)
-               {
-                       debug_msg("Video Sink already linked\n");
-                       return FALSE;
-               }
+               result = MM_ERROR_PLAYER_INVALID_STATE;
+               debug_error("gst_element_query_position failed, invalid state\n");
+               goto EXIT;
        }
-       if (strstr(name, "audio"))
+
+       debug_log("seek time = %lld\n", time);
+
+       event = gst_event_new_seek (1.0, GST_FORMAT_TIME, (GstSeekFlags) (GST_SEEK_FLAG_SEGMENT | GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP), GST_SEEK_TYPE_SET, time, GST_SEEK_TYPE_NONE, -1);
+       if (event)
        {
-               if(player->audiosink_linked)
-               {
-                       debug_msg("Audio Sink already linked\n");
-                       return FALSE;
-               }
+               __gst_send_event_to_sink(player, event);
        }
-       if (strstr(name, "text"))
+       else
        {
-               if(player->textsink_linked)
-               {
-                       debug_msg("Text Sink already linked\n");
-                       return FALSE;
-               }
+               result = MM_ERROR_PLAYER_INTERNAL;
+               debug_error("gst_event_new_seek failed\n");
+               goto EXIT;
        }
 
-       gst_caps_unref( srccaps );
-
-       debug_fleave();
+       // sync state with current pipeline
+       gst_element_sync_state_with_parent(textbin[MMPLAYER_T_BIN].gst);
+       gst_element_sync_state_with_parent(mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst);
+       gst_element_sync_state_with_parent(mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].gst);
+       gst_element_sync_state_with_parent(mainbin[MMPLAYER_M_SUBSRC].gst);
 
-       return TRUE;
-       //return (!player->videosink_linked || !player->audiosink_linked);
+EXIT:
+       return result;
+}
 
-ERROR:
-       if ( srccaps )
-               gst_caps_unref( srccaps );
+static int
+__mmplayer_change_external_subtitle_language(mm_player_t* player, const char* filepath)
+{
+       GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
+       GstState current_state = GST_STATE_VOID_PENDING;
 
-       return FALSE;
-}
+       MMHandleType attrs = 0;
+       MMPlayerGstElement* mainbin = NULL;
+       MMPlayerGstElement* textbin = NULL;
 
+       gchar* subtitle_uri = NULL;
+       int result = MM_ERROR_NONE;
+       const gchar *charset = NULL;
 
-/* sending event to one of sinkelements */
-static gboolean
-__gst_send_event_to_sink( mm_player_t* player, GstEvent* event )
-{
-       GList *sinks = NULL;
-       gboolean res = FALSE;
+       MMPLAYER_FENTER();
 
-       debug_fenter();
-       
-       return_val_if_fail( player, FALSE );
-       return_val_if_fail ( event, FALSE );
+       /* check player handle */
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail( filepath, MM_ERROR_COMMON_INVALID_ARGUMENT );
 
-       sinks = player->sink_elements;
-       while (sinks)
+       if (!(player->pipeline) || !(player->pipeline->mainbin))
        {
-               GstElement *sink = GST_ELEMENT_CAST (sinks->data);
-
-               if ( sink )
-               {
-                       /* keep ref to the event */
-                       gst_event_ref (event);
+               result = MM_ERROR_PLAYER_INVALID_STATE;
+               debug_error("Pipeline is not in proper state\n");
+               goto EXIT;
+       }
 
-                       debug_log("sending event[%s] to sink element [%s]\n",
-                               GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink) );
+       mainbin = player->pipeline->mainbin;
+       textbin = player->pipeline->textbin;
 
-                       if ( (res = gst_element_send_event (sink, event)) )
-                       {
-                               debug_log("sending event[%s] to sink element [%s] success!\n",
-                                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink) );
-                               break;
-                       }
+       current_state = GST_STATE (mainbin[MMPLAYER_M_PIPE].gst);
+       if (current_state < GST_STATE_READY)
+       {
+               result = MM_ERROR_PLAYER_INVALID_STATE;
+               debug_error("Pipeline is not in proper state\n");
+               goto EXIT;
+       }
 
-                       debug_log("sending event[%s] to sink element [%s] failed. try with next one.\n",
-                               GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink) );
-               }
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs)
+       {
+               debug_error("cannot get content attribute\n");
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-               sinks = g_list_next (sinks);
+       mm_attrs_get_string_by_name (attrs, "subtitle_uri", &subtitle_uri);
+       if (!subtitle_uri || strlen(subtitle_uri) < 1)
+       {
+               debug_error("subtitle uri is not proper filepath\n");
+               result = MM_ERROR_PLAYER_INVALID_URI;
+               goto EXIT;
        }
 
-       /* Note : Textbin is not linked to the video or audio bin.
-        *              It needs to send the event to the text sink seperatelly.
-        */
-        if ( MMPLAYER_PLAY_SUBTITLE(player) )
-        {
-               GstElement *subtitle_sink = GST_ELEMENT_CAST (player->pipeline->subtitlebin[MMPLAYER_SUB_SINK].gst);
+       debug_log("old subtitle file path is [%s]\n", subtitle_uri);
+       debug_log("new subtitle file path is [%s]\n", filepath);
 
-               if ( (res != gst_element_send_event (subtitle_sink, event)) )
-               {
-                       debug_error("sending event[%s] to subtitle sink element [%s] failed!\n",
-                               GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(subtitle_sink) );
-               }
-               else
+       if (!strcmp (filepath, subtitle_uri))
+       {
+               debug_log("No need to swtich subtitle, as input filepath is same as current filepath\n");
+               goto EXIT;
+       }
+       else
+       {
+               mm_attrs_set_string_by_name(player->attrs, "subtitle_uri", filepath);
+               if (mmf_attrs_commit(player->attrs))
                {
-                       debug_log("sending event[%s] to subtitle sink element [%s] success!\n",
-                               GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(subtitle_sink) );
+                       debug_error("failed to commit.\n");
+                       goto EXIT;
                }
-        }
-
-       gst_event_unref (event);
-
-       debug_fleave();
-
-       return res;
-}
-
-static void
-__mmplayer_add_sink( mm_player_t* player, GstElement* sink )
-{
-       debug_fenter();
-
-       return_if_fail ( player );
-       return_if_fail ( sink );
+       }
 
-       player->sink_elements =
-               g_list_append(player->sink_elements, sink);
+       //gst_pad_set_blocked_async(src-srcpad, TRUE)
 
-       debug_fleave();
-}
+       ret = gst_element_set_state(textbin[MMPLAYER_T_BIN].gst, GST_STATE_READY);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of textbin to READY");
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-static gboolean
-__gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
-                       GstFormat format, GstSeekFlags flags, GstSeekType cur_type,
-                       gint64 cur, GstSeekType stop_type, gint64 stop )
-{
-       GstEvent* event = NULL;
-       gboolean result = FALSE;
+       ret = gst_element_set_state(mainbin[MMPLAYER_M_T_INPUT_SELECTOR].gst, GST_STATE_READY);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of input-selector to READY");
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-       debug_fenter();
-       
-       return_val_if_fail( player, FALSE );
+       ret = gst_element_set_state(mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].gst, GST_STATE_READY);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of subparse to READY");
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-       event = gst_event_new_seek (rate, format, flags, cur_type,
-               cur, stop_type, stop);
+       ret = gst_element_set_state(mainbin[MMPLAYER_M_SUBSRC].gst, GST_STATE_READY);
+       if (ret != GST_STATE_CHANGE_SUCCESS)
+       {
+               debug_error("failed to change state of filesrc to READY");
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-       result = __gst_send_event_to_sink( player, event );
+       g_object_set(G_OBJECT(mainbin[MMPLAYER_M_SUBSRC].gst), "location", filepath, NULL);
 
-       /* Note : After sending seek event, the sink elements receive flush event
-        * Not only buffering state but after seeking, state_lost needs to be set to TRUE.
-        */
-       if (  MMPLAYER_IS_RTSP_STREAMING ( player )  && result )
-               player->state_lost = TRUE;
+       charset = util_get_charset(filepath);
+       if (charset)
+       {
+               debug_log ("detected charset is %s\n", charset );
+               g_object_set (G_OBJECT (mainbin[MMPLAYER_M_T_SUBMUX_EXTERNAL].gst), "subtitle-encoding", charset, NULL);
+       }
 
-       debug_fleave();
+       result = _mmplayer_sync_subtitle_pipeline(player);
 
+EXIT:
+       MMPLAYER_FLEAVE();
        return result;
 }
 
-/* NOTE : be careful with calling this api. please refer to below glib comment
- * glib comment : Note that there is a bug in GObject that makes this function much
- * less useful than it might seem otherwise. Once gobject is disposed, the callback
- * will no longer be called, but, the signal handler is not currently disconnected.
- * If the instance is itself being freed at the same time than this doesn't matter,
- * since the signal will automatically be removed, but if instance persists,
- * then the signal handler will leak. You should not remove the signal yourself
- * because in a future versions of GObject, the handler will automatically be
- * disconnected.
- *
- * It's possible to work around this problem in a way that will continue to work
- * with future versions of GObject by checking that the signal handler is still
- * connected before disconnected it:
- *
- *  if (g_signal_handler_is_connected (instance, id))
- *    g_signal_handler_disconnect (instance, id);
- */
-static void
-__mmplayer_release_signal_connection(mm_player_t* player)
+/* API to switch between external subtitles */
+int _mmplayer_set_external_subtitle_path(MMHandleType hplayer, const char* filepath)
 {
-       GList* sig_list = player->signals;
-       MMPlayerSignalItem* item = NULL;
+       int result = MM_ERROR_NONE;
+       mm_player_t* player = (mm_player_t*)hplayer;
 
-       debug_fenter();
-       
-       return_if_fail( player );
+       MMPLAYER_FENTER();
+
+       /* check player handle */
+       return_val_if_fail( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
 
-       for ( ; sig_list; sig_list = sig_list->next )
+       if (!player->pipeline)  // IDLE state
        {
-               item = sig_list->data;
-
-               if ( item && item->obj && GST_IS_ELEMENT(item->obj) )
+               mm_attrs_set_string_by_name(player->attrs, "subtitle_uri", filepath);
+               if (mmf_attrs_commit(player->attrs))
                {
-                       debug_log("checking signal connection : [%lud] from [%s]\n", item->sig, GST_OBJECT_NAME( item->obj ));
+                       debug_error("failed to commit.\n");
+                       result= MM_ERROR_PLAYER_INTERNAL;
+               }
+       }
+       else    // curr state <> IDLE (READY, PAUSE, PLAYING..)
+       {
+               if ( filepath == NULL )
+                       return MM_ERROR_COMMON_INVALID_ARGUMENT;
 
-                       if ( g_signal_handler_is_connected ( item->obj, item->sig ) )
+               if (!__mmplayer_check_subtitle(player))
+               {
+                       mm_attrs_set_string_by_name(player->attrs, "subtitle_uri", filepath);
+                       if (mmf_attrs_commit(player->attrs))
                        {
-                               debug_log("signal disconnecting : [%lud] from [%s]\n", item->sig, GST_OBJECT_NAME( item->obj ));
-                               g_signal_handler_disconnect ( item->obj, item->sig );
+                               debug_error("failed to commit.\n");
+                               result = MM_ERROR_PLAYER_INTERNAL;
                        }
-               }
 
-               MMPLAYER_FREEIF( item );
+                       if ( MM_ERROR_NONE != __mmplayer_gst_create_subtitle_src(player) )
+                               debug_error("fail to create subtitle src\n");
 
+                       result = _mmplayer_sync_subtitle_pipeline(player);
+               }
+               else
+               {
+                       result = __mmplayer_change_external_subtitle_language(player, filepath);
+               }
        }
-       g_list_free ( player->signals );
-       player->signals = NULL;
-
-       debug_fleave();
 
-       return;
+       MMPLAYER_FLEAVE();
+       return result;
 }
 
-
-/* Note : if silent is true, then subtitle would not be displayed. :*/
-int _mmplayer_set_subtitle_silent (MMHandleType hplayer, int silent)
+static int
+__mmplayer_change_selector_pad (mm_player_t* player, MMPlayerTrackType type, int index)
 {
-       mm_player_t* player = (mm_player_t*) hplayer;
+       int result = MM_ERROR_NONE;
+       gchar* change_pad_name = NULL;
+       GstPad* sinkpad = NULL;
+       MMPlayerGstElement* mainbin = NULL;
+       enum MainElementID elemId = MMPLAYER_M_NUM;
+       GstCaps* caps = NULL;
+       gint total_track_num = 0;
 
-       debug_fenter();
+       MMPLAYER_FENTER();
 
-       /* check player handle */
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( MMPLAYER_PLAY_SUBTITLE(player),    MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail (player && player->pipeline && player->pipeline->mainbin,
+                                                                                                       MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       debug_log ("Change Track(%d) to %d\n", type, index);
+
+       mainbin = player->pipeline->mainbin;
+
+       if (type == MM_PLAYER_TRACK_TYPE_AUDIO)
+       {
+               elemId = MMPLAYER_M_A_INPUT_SELECTOR;
+       }
+       else if (type == MM_PLAYER_TRACK_TYPE_TEXT)
+       {
+               elemId = MMPLAYER_M_T_INPUT_SELECTOR;
+       }
+       else
+       {
+               debug_error ("Track Type Error\n");
+               goto EXIT;
+       }
 
-       player->is_subtitle_off = silent;
+       if (mainbin[elemId].gst == NULL)
+       {
+               result = MM_ERROR_PLAYER_NO_OP;
+               debug_log ("Req track doesn't exist\n");
+               goto EXIT;
+       }
 
-       debug_log("subtitle is %s.\n", player->is_subtitle_off ? "ON" : "OFF");
+       total_track_num = player->selector[type].total_track_num;
+       if (total_track_num <= 0)
+       {
+               result = MM_ERROR_PLAYER_NO_OP;
+               debug_log ("Language list is not available \n");
+               goto EXIT;
+       }
 
-       debug_fleave();
+       if ((index < 0) || (index >= total_track_num))
+       {
+               result = MM_ERROR_INVALID_ARGUMENT;
+               debug_log ("Not a proper index : %d \n", index);
+               goto EXIT;
+       }
 
-       return MM_ERROR_NONE;
-}
+       /*To get the new pad from the selector*/
+       change_pad_name = g_strdup_printf ("sink%d", index);
+       if (change_pad_name == NULL)
+       {
+               result = MM_ERROR_PLAYER_INTERNAL;
+               debug_log ("Pad does not exists\n");
+               goto EXIT;
+       }
 
+       debug_log ("new active pad name: %s\n", change_pad_name);
 
-int _mmplayer_get_subtitle_silent (MMHandleType hplayer, int* silent)
-{
-       mm_player_t* player = (mm_player_t*) hplayer;
+       sinkpad = gst_element_get_static_pad (mainbin[elemId].gst, change_pad_name);
+       if (sinkpad == NULL)
+       {
+               result = MM_ERROR_PLAYER_INTERNAL;
+               goto EXIT;
+       }
 
-       debug_fenter();
+       debug_log ("Set Active Pad - %s:%s\n", GST_DEBUG_PAD_NAME(sinkpad));
+       g_object_set (mainbin[elemId].gst, "active-pad", sinkpad, NULL);
 
-       /* check player handle */
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED );
-       return_val_if_fail ( MMPLAYER_PLAY_SUBTITLE(player),    MM_ERROR_PLAYER_NOT_INITIALIZED );
+       caps = GST_PAD_CAPS(sinkpad);
+       MMPLAYER_LOG_GST_CAPS_TYPE(caps);
 
-       *silent = player->is_subtitle_off;
+       if (sinkpad)
+               gst_object_unref (sinkpad);
 
-       debug_log("subtitle is %s.\n", silent ? "ON" : "OFF");
+       if (type == MM_PLAYER_TRACK_TYPE_AUDIO)
+       {
+               __mmplayer_set_audio_attrs (player, caps);
+       }
 
-       debug_fleave();
+EXIT:
 
-       return MM_ERROR_NONE;
+       MMPLAYER_FREEIF(change_pad_name);
+       return result;
 }
 
-int _mmplayer_get_track_count(MMHandleType hplayer,  MMPlayerTrackType track_type, int *count)
+int _mmplayer_change_track_language (MMHandleType hplayer, MMPlayerTrackType type, int index)
 {
-       mm_player_t* player = (mm_player_t*) hplayer;
-       MMHandleType attrs = 0;
-       int ret = MM_ERROR_NONE;
+       int result = MM_ERROR_NONE;
+       mm_player_t* player = NULL;
+       MMPlayerGstElement* mainbin = NULL;
 
-       debug_fenter();
+       gint current_active_index = 0;
 
-       /* check player handle */
-       return_val_if_fail(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       return_val_if_fail(count, MM_ERROR_COMMON_INVALID_ARGUMENT);
-       return_val_if_fail((MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED)
-                ||(MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING),
-               MM_ERROR_PLAYER_INVALID_STATE);
+       GstState current_state = GST_STATE_VOID_PENDING;
+       GstEvent* event = NULL;
+       GstFormat format = GST_FORMAT_TIME;
+       gint64 time = 0;
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if ( !attrs )
+       MMPLAYER_FENTER();
+
+       player = (mm_player_t*)hplayer;
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       if (!player->pipeline)
        {
-               debug_error("cannot get content attribute");
-               return MM_ERROR_PLAYER_INTERNAL;
+               debug_error ("Track %d pre setting -> %d\n", type, index);
+
+               player->selector[type].active_pad_index = index;
+               goto EXIT;
        }
 
-       switch (track_type)
+       mainbin = player->pipeline->mainbin;
+
+       current_active_index = player->selector[type].active_pad_index;
+
+       /*If index is same as running index no need to change the pad*/
+       if (current_active_index == index)
        {
-               case MM_PLAYER_TRACK_TYPE_AUDIO:
-                       ret = mm_attrs_get_int_by_name(attrs, "content_audio_track_num", count);
-                       break;
-               case MM_PLAYER_TRACK_TYPE_VIDEO:
-                       ret = mm_attrs_get_int_by_name(attrs, "content_video_track_num", count);
-                       break;
-               case MM_PLAYER_TRACK_TYPE_TEXT:
-                       ret = mm_attrs_get_int_by_name(attrs, "content_text_track_num", count);
-                       break;
-               default:
-                       ret = MM_ERROR_COMMON_INVALID_ARGUMENT;
-                       break;
+               goto EXIT;
+       }
+
+       if (!gst_element_query_position(mainbin[MMPLAYER_M_PIPE].gst, &format, &time))
+       {
+               result = MM_ERROR_PLAYER_INVALID_STATE;
+               goto EXIT;
        }
 
-       debug_log ("%d track num is %d\n", track_type, *count);
+       current_state = GST_STATE(mainbin[MMPLAYER_M_PIPE].gst);
+       if (current_state < GST_STATE_PAUSED)
+       {
+               result = MM_ERROR_PLAYER_INVALID_STATE;
+               debug_warning ("Pipeline not in porper state\n");
+               goto EXIT;
+       }
 
-       debug_fleave();
+       result = __mmplayer_change_selector_pad(player, type, index);
+       if (result != MM_ERROR_NONE)
+       {
+               debug_error ("change selector pad error\n");
+               goto EXIT;
+       }
 
-       return ret;
-}
+       player->selector[type].active_pad_index = index;
 
+       if (current_state == GST_STATE_PLAYING)
+       {
+               event = gst_event_new_seek (1.0, GST_FORMAT_TIME,(GstSeekFlags) (GST_SEEK_FLAG_SEGMENT | GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP),GST_SEEK_TYPE_SET, time, GST_SEEK_TYPE_NONE, -1);
+               if (event)
+               {
+                       __gst_send_event_to_sink (player, event);
+               }
+               else
+               {
+                       result = MM_ERROR_PLAYER_INTERNAL;
+                       goto EXIT;
+               }
+       }
 
+EXIT:
+       return result;
+}
 
-const gchar * 
+const gchar *
 __get_state_name ( int state )
 {
        switch ( state )
@@ -10602,6 +16549,7 @@ __get_state_name ( int state )
                        return "INVAID";
        }
 }
+
 gboolean
 __is_rtsp_streaming ( mm_player_t* player )
 {
@@ -10610,6 +16558,14 @@ __is_rtsp_streaming ( mm_player_t* player )
        return ( player->profile.uri_type == MM_PLAYER_URI_TYPE_URL_RTSP ) ? TRUE : FALSE;
 }
 
+gboolean
+__is_wfd_streaming ( mm_player_t* player )
+{
+  return_val_if_fail ( player, FALSE );
+
+  return ( player->profile.uri_type == MM_PLAYER_URI_TYPE_URL_WFD ) ? TRUE : FALSE;
+}
+
 static gboolean
 __is_http_streaming ( mm_player_t* player )
 {
@@ -10623,7 +16579,8 @@ __is_streaming ( mm_player_t* player )
 {
        return_val_if_fail ( player, FALSE );
 
-       return ( __is_rtsp_streaming ( player ) || __is_http_streaming ( player ) || __is_http_live_streaming ( player )) ? TRUE : FALSE;
+  return ( __is_rtsp_streaming ( player ) || __is_wfd_streaming ( player ) || __is_http_streaming ( player )
+          || __is_http_live_streaming ( player ) || __is_dash_streaming ( player ) || __is_smooth_streaming(player) ) ? TRUE : FALSE;
 }
 
 gboolean
@@ -10639,9 +16596,26 @@ __is_http_live_streaming( mm_player_t* player )
 {
        return_val_if_fail( player, FALSE );
 
-       return ( (player->ahs_player) && (player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS) ) ? TRUE : FALSE;
+       return ( player->profile.uri_type == MM_PLAYER_URI_TYPE_HLS ) ? TRUE : FALSE;
+}
+
+static gboolean
+__is_dash_streaming ( mm_player_t* player )
+{
+       return_val_if_fail ( player, FALSE );
+
+       return ( player->profile.uri_type == MM_PLAYER_URI_TYPE_DASH ) ? TRUE : FALSE;
+}
+
+static gboolean
+__is_smooth_streaming ( mm_player_t* player )
+{
+       return_val_if_fail ( player, FALSE );
+
+       return ( player->profile.uri_type == MM_PLAYER_URI_TYPE_SS ) ? TRUE : FALSE;
 }
 
+
 static gboolean
 __is_http_progressive_down(mm_player_t* player)
 {
@@ -10649,3 +16623,233 @@ __is_http_progressive_down(mm_player_t* player)
 
        return ((player->pd_mode) ? TRUE:FALSE);
 }
+
+gboolean
+__has_suffix(mm_player_t* player, const gchar* suffix)
+{
+       return_val_if_fail( player, FALSE );
+       return_val_if_fail( suffix, FALSE );
+
+       gboolean ret = FALSE;
+       gchar* t_url = g_ascii_strdown(player->profile.uri, -1);
+       gchar* t_suffix = g_ascii_strdown(suffix, -1);
+
+       if ( g_str_has_suffix(player->profile.uri, suffix) )
+       {
+               ret = TRUE;
+       }
+
+       MMPLAYER_FREEIF(t_url);
+       MMPLAYER_FREEIF(t_suffix);
+
+       return ret;
+}
+
+int
+_mmplayer_set_display_zoom(MMHandleType hplayer, float level, int x, int y)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       MMPLAYER_VIDEO_SINK_CHECK(player);
+
+       debug_log("setting display zoom level = %f, offset = %d, %d", level, x, y);
+
+       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "zoom", level, "zoom-pos-x", x, "zoom-pos-y", y, NULL);
+
+       return MM_ERROR_NONE;
+}
+int
+_mmplayer_get_display_zoom(MMHandleType hplayer, float *level, int *x, int *y)
+{
+
+       mm_player_t* player = (mm_player_t*) hplayer;
+       float _level = 0.0;
+       int _x = 0;
+       int _y = 0;
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+
+       MMPLAYER_VIDEO_SINK_CHECK(player);
+
+       g_object_get(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "zoom", &_level, "zoom-pos-x", &_x, "zoom-pos-y", &_y, NULL);
+
+       debug_log("display zoom level = %f, start off x = %d, y = %d", _level, _x, _y);
+
+       *level = _level;
+       *x = _x;
+       *y = _y;
+
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_get_video_rotate_angle(MMHandleType hplayer, int *angle)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+       int org_angle = 0;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       return_val_if_fail ( angle, MM_ERROR_COMMON_INVALID_ARGUMENT );
+
+       if (player->v_stream_caps)
+       {
+               GstStructure *str = NULL;
+
+               str = gst_caps_get_structure (player->v_stream_caps, 0);
+               if ( !gst_structure_get_int (str, "orientation", &org_angle))
+               {
+                       debug_log ("missing 'orientation' field in video caps");
+               }
+       }
+
+       debug_log("orientation: %d", org_angle);
+       *angle = org_angle;
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+}
+
+gboolean
+__mmplayer_is_streaming(mm_player_t* player)
+{
+       gboolean result = FALSE;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail (player, FALSE);
+       result = __is_streaming (player) ;
+
+       MMPLAYER_FLEAVE();
+       return result;
+}
+
+static gboolean
+__mmplayer_add_dump_buffer_probe(mm_player_t *player, GstElement *element)
+{
+       return_val_if_fail (player, FALSE);
+       return_val_if_fail (element, FALSE);
+
+       gchar *factory_name = GST_PLUGIN_FEATURE_NAME (gst_element_get_factory(element));
+       gchar dump_file_name[PLAYER_INI_MAX_STRLEN*2];
+       int len = PLAYER_INI_MAX_STRLEN*2;
+
+       int idx = 0;
+
+       for ( idx = 0; player->ini.dump_element_keyword[idx][0] != '\0'; idx++ )
+       {
+               if (g_strrstr(factory_name, player->ini.dump_element_keyword[idx]))
+               {
+                       debug_log("dump [%s] sink pad", player->ini.dump_element_keyword[idx]);
+                       mm_player_dump_t *dump_s;
+                       dump_s = g_malloc (sizeof(mm_player_dump_t));
+
+                       if (dump_s == NULL)
+                       {
+                               debug_error ("malloc fail");
+                               return FALSE;
+                       }
+
+                       dump_s->dump_element_file = NULL;
+                       dump_s->dump_pad = NULL;
+                       dump_s->dump_pad = gst_element_get_static_pad (element, "sink");
+
+                       if (dump_s->dump_pad)
+                       {
+                               memset (dump_file_name, 0x00, PLAYER_INI_MAX_STRLEN*2);
+                               snprintf (dump_file_name, len, "%s/%s_sink_pad.dump", player->ini.dump_element_path, player->ini.dump_element_keyword[idx]);
+                               dump_s->dump_element_file = fopen(dump_file_name,"w+");
+                               dump_s->probe_handle_id = gst_pad_add_buffer_probe (dump_s->dump_pad, G_CALLBACK(__mmplayer_dump_buffer_probe_cb), dump_s->dump_element_file);
+                               /* add list for removed buffer probe and close FILE */
+                               player->dump_list = g_list_append (player->dump_list, dump_s);
+                               debug_log ("%s sink pad added buffer probe for dump", factory_name);
+                               return TRUE;
+                       }
+                       else
+                       {
+                               g_free(dump_s);
+                               dump_s = NULL;
+                               debug_error ("failed to get %s sink pad added", factory_name);
+                       }
+
+
+               }
+       }
+       return FALSE;
+}
+
+static gboolean
+__mmplayer_dump_buffer_probe_cb(GstPad *pad, GstBuffer *buffer, gpointer u_data)
+{
+       FILE *dump_data = (FILE *) u_data;
+//     int written = 0;
+
+       return_val_if_fail ( dump_data, FALSE );
+
+//     debug_log ("buffer timestamp = %" GST_TIME_FORMAT, GST_TIME_ARGS( GST_BUFFER_TIMESTAMP(buffer)));
+
+       fwrite ( GST_BUFFER_DATA(buffer), 1, GST_BUFFER_SIZE(buffer), dump_data);
+
+       return TRUE;
+}
+
+static void
+__mmplayer_release_dump_list (GList *dump_list)
+{
+       if (dump_list)
+       {
+               GList *d_list = dump_list;
+               for ( ;d_list ; d_list = g_list_next(d_list))
+               {
+                       mm_player_dump_t *dump_s = d_list->data;
+                       if (dump_s->dump_pad)
+                       {
+                               if (dump_s->probe_handle_id)
+                               {
+                                       gst_pad_remove_buffer_probe (dump_s->dump_pad, dump_s->probe_handle_id);
+                               }
+
+                       }
+                       if (dump_s->dump_element_file)
+                       {
+                               fclose(dump_s->dump_element_file);
+                               dump_s->dump_element_file = NULL;
+                       }
+                       MMPLAYER_FREEIF(dump_s);
+               }
+               g_list_free(dump_list);
+               dump_list = NULL;
+       }
+}
+
+static int
+__mmplayer_ignore_current_external_display_mode(mm_player_t* player)
+{
+       return_val_if_fail ( player, MM_ERROR_PLAYER_NOT_INITIALIZED );
+       MMPLAYER_VIDEO_SINK_CHECK(player);
+
+       g_object_set(player->pipeline->videobin[MMPLAYER_V_SINK].gst, "keep-external-fullscreen-prev", TRUE, NULL);
+       debug_log("set keep-external-fullscreen-prev property to TRUE");
+
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_enable_media_packet_video_stream(MMHandleType hplayer, bool enable)
+{
+       mm_player_t* player = (mm_player_t*) hplayer;
+
+       MMPLAYER_FENTER();
+
+       return_val_if_fail (player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       return_val_if_fail (enable == TRUE || enable == FALSE, MM_ERROR_INVALID_ARGUMENT);
+
+       player->set_mode.media_packet_video_stream = enable;
+
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}