[0.6.238] Fix memory leak due to without unref source element
[platform/core/multimedia/libmm-player.git] / src / mm_player_gst.c
index c509f1b..906be79 100644 (file)
 ========================================================================================== */
 #include <dlog.h>
 #include <mm_error.h>
-#include <mm_attrs_private.h>
+#include <gst/app/gstappsrc.h>
 
 #include "mm_player_gst.h"
 #include "mm_player_priv.h"
 #include "mm_player_attrs.h"
 #include "mm_player_utils.h"
+#include "mm_player_tracks.h"
 
 /*===========================================================================================
 |                                                                                                                                                                                      |
 ========================================================================================== */
 
 /*---------------------------------------------------------------------------
-|    GLOBAL CONSTANT DEFINITIONS:                                                                                      |
+|    LOCAL CONSTANT DEFINITIONS:                                                                                       |
 ---------------------------------------------------------------------------*/
+#define MMPLAYER_TAG_INDENT 3
 
-/*---------------------------------------------------------------------------
-|    IMPORTED VARIABLE DECLARATIONS:                                                                           |
----------------------------------------------------------------------------*/
+/*===========================================================================================
+|                                                                                                                                                                                      |
+|  FUNCTION DEFINITIONS                                                                                                                                                |
+|                                                                                                                                                                                      |
+========================================================================================== */
+#ifdef __DEBUG__
+static void
+print_tag(const GstTagList *list, const gchar *tag, gpointer unused)
+{
+       gint i, count;
 
-/*---------------------------------------------------------------------------
-|    IMPORTED FUNCTION DECLARATIONS:                                                                           |
----------------------------------------------------------------------------*/
+       count = gst_tag_list_get_tag_size(list, tag);
 
-/*---------------------------------------------------------------------------
-|    LOCAL #defines:                                                                                                           |
----------------------------------------------------------------------------*/
+       LOGD("count = %d", count);
 
-/*---------------------------------------------------------------------------
-|    LOCAL CONSTANT DEFINITIONS:                                                                                       |
----------------------------------------------------------------------------*/
+       for (i = 0; i < count; i++) {
+               gchar *str;
 
-/*---------------------------------------------------------------------------
-|    LOCAL DATA TYPE DEFINITIONS:                                                                                      |
----------------------------------------------------------------------------*/
+               if (gst_tag_get_type(tag) == G_TYPE_STRING) {
+                       if (!gst_tag_list_get_string_index(list, tag, i, &str))
+                               g_assert_not_reached();
+               } else {
+                       str = g_strdup_value_contents(gst_tag_list_get_value_index(list, tag, i));
+               }
 
-/*---------------------------------------------------------------------------
-|    GLOBAL VARIABLE DEFINITIONS:                                                                                      |
----------------------------------------------------------------------------*/
+               if (i == 0)
+                       g_print("  %15s: %s", gst_tag_get_nick(tag), str);
+               else
+                       g_print("                 : %s", str);
 
-/*---------------------------------------------------------------------------
-|    LOCAL VARIABLE DEFINITIONS:                                                                                       |
----------------------------------------------------------------------------*/
+               g_free(str);
+       }
+}
+#endif
 
-/*---------------------------------------------------------------------------
-|    LOCAL FUNCTION PROTOTYPES:                                                                                                |
----------------------------------------------------------------------------*/
+static gboolean
+__mmplayer_is_hls_type(gchar *type) {
+       if (g_strrstr(type, "application/x-hls"))
+               return TRUE;
+       return FALSE;
+}
 
-/*===========================================================================================
-|                                                                                                                                                                                      |
-|  FUNCTION DEFINITIONS                                                                                                                                                |
-|                                                                                                                                                                                      |
-========================================================================================== */
+static gboolean
+__mmplayer_is_mpegts_type(gchar *type) {
+       if (g_strrstr(type, "video/mpegts"))
+               return TRUE;
+       return FALSE;
+}
+
+static gboolean
+__mmplayer_is_mp3_type(gchar *type) {
+       if (g_strrstr(type, "application/x-id3") ||
+               (g_strrstr(type, "audio/mpeg") && g_strrstr(type, "mpegversion=(int)1")))
+               return TRUE;
+       return FALSE;
+}
+
+static gboolean
+__mmplayer_check_error_posted_from_activated_track(mmplayer_t *player, gchar *src_element_name)
+{
+       /* check whether the error is posted from not-activated track or not */
+       int msg_src_pos = 0;
+       gint active_index = 0;
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player->pipeline->mainbin[MMPLAYER_M_A_INPUT_SELECTOR].gst, TRUE);
+
+       active_index = player->track[MM_PLAYER_TRACK_TYPE_AUDIO].active_track_index;
+       LOGD("current  active pad index  -%d", active_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;
+
+                               LOGD("found audio decoder name  = %s", name);
+                               if (g_strrstr(name, src_element_name)) {
+                                       msg_src_pos = idx;
+                                       break;
+                               }
+                               idx++;
+                       }
+               }
+               LOGD("active pad = %d, error src index = %d", active_index,  msg_src_pos);
+       }
+
+       if (active_index != msg_src_pos) {
+               LOGD("skip error because error is posted from no activated track");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+static int
+__mmplayer_gst_transform_error_decode(mmplayer_t *player, const char *klass)
+{
+       /* 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 {
+                               LOGD("not found any available codec. Player should be destroyed.");
+                               return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+                       }
+               }
+       }
+
+       return MM_ERROR_PLAYER_INVALID_STREAM;
+}
+
+static int
+__mmplayer_gst_transform_error_type(mmplayer_t *player, GstElement *src_element)
+{
+       if (src_element == player->pipeline->mainbin[MMPLAYER_M_SUBPARSE].gst) {
+               LOGE("Not supported subtitle.");
+               return MM_ERROR_PLAYER_NOT_SUPPORTED_SUBTITLE;
+       }
+       return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+}
+
+static int
+__mmplayer_gst_transform_error_failed(mmplayer_t *player, const char *klass, GError *error)
+{
+       /* Decoder Custom Message */
+       if (!strstr(error->message, "ongoing"))
+               return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
+
+       if (strncasecmp(klass, "audio", 5)) {
+               if ((player->can_support_codec & FOUND_PLUGIN_VIDEO)) {
+                       LOGD("Video can keep playing.");
+                       return MM_ERROR_PLAYER_AUDIO_CODEC_NOT_FOUND;
+               }
+       } else if (strncasecmp(klass, "video", 5)) {
+               if ((player->can_support_codec & FOUND_PLUGIN_AUDIO)) {
+                       LOGD("Audio can keep playing.");
+                       return MM_ERROR_PLAYER_VIDEO_CODEC_NOT_FOUND;
+               }
+       }
+
+       LOGD("not found any available codec. Player should be destroyed.");
+       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+}
+
+static int
+__mmplayer_gst_transform_error_decrypt(mmplayer_t *player, GError *error)
+{
+       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;
+}
 
 /* NOTE : decide gstreamer state whether there is some playable track or not. */
 static gint
-__mmplayer_gst_transform_gsterror(mm_player_t* player, GstMessage * message, GError* error)
+__mmplayer_gst_transform_gsterror(mmplayer_t *player, GstMessage *message, GError *error)
 {
        gchar *src_element_name = NULL;
        GstElement *src_element = NULL;
        GstElementFactory *factory = NULL;
-       const gcharklass = NULL;
+       const gchar *klass = NULL;
 
        MMPLAYER_FENTER();
 
@@ -101,129 +234,38 @@ __mmplayer_gst_transform_gsterror(mm_player_t* player, GstMessage * message, GEr
                                                                player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
        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;
+               return MM_ERROR_PLAYER_INTERNAL;
 
        factory = gst_element_get_factory(src_element);
        if (!factory)
-               goto INTERNAL_ERROR;
+               return MM_ERROR_PLAYER_INTERNAL;
 
        klass = gst_element_factory_get_metadata(factory, GST_ELEMENT_METADATA_KLASS);
        if (!klass)
-               goto INTERNAL_ERROR;
+               return MM_ERROR_PLAYER_INTERNAL;
 
-       LOGD("error code=%d, msg=%s, src element=%s, class=%s\n",
+       LOGD("error code=%d, msg=%s, src element=%s, class=%s",
                        error->code, error->message, src_element_name, klass);
 
-       /* check whether the error is posted from not-activated track or not */
-       if (player->pipeline->mainbin[MMPLAYER_M_A_INPUT_SELECTOR].gst) {
-               int msg_src_pos = 0;
-               gint active_pad_index = player->selector[MM_PLAYER_TRACK_TYPE_AUDIO].active_pad_index;
-               LOGD("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;
-
-                                       LOGD("found audio decoder name  = %s", name);
-                                       if (g_strrstr(name, src_element_name)) {
-                                               msg_src_pos = idx;
-                                               break;
-                                       }
-                                       idx++;
-                               }
-                       }
-                       LOGD("active pad = %d, error src index = %d", active_pad_index,  msg_src_pos);
-               }
-
-               if (active_pad_index != msg_src_pos) {
-                       LOGD("skip error because error is posted from no activated track");
-                       return MM_ERROR_NONE;
-               }
-       }
+       if (MMPLAYER_USE_DECODEBIN(player) &&
+               !__mmplayer_check_error_posted_from_activated_track(player, src_element_name))
+               return MM_ERROR_NONE;
 
        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;
-
+               return __mmplayer_gst_transform_error_decode(player, klass);
        case GST_STREAM_ERROR_CODEC_NOT_FOUND:
        case GST_STREAM_ERROR_TYPE_NOT_FOUND:
        case GST_STREAM_ERROR_WRONG_TYPE:
-       {
-               if (src_element == player->pipeline->mainbin[MMPLAYER_M_SUBPARSE].gst) {
-                       LOGE("Not supported subtitle.");
-                       return MM_ERROR_PLAYER_NOT_SUPPORTED_SUBTITLE;
-               }
-               return MM_ERROR_PLAYER_NOT_SUPPORTED_FORMAT;
-       }
-
+               return __mmplayer_gst_transform_error_type(player, src_element);
        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)) {
-                                       LOGD("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)) {
-                                       LOGD("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;
-
+               return __mmplayer_gst_transform_error_failed(player, klass, error);
        case GST_STREAM_ERROR_DECRYPT:
        case GST_STREAM_ERROR_DECRYPT_NOKEY:
-       {
-               LOGE("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;
-
+               LOGE("decryption error, [%s] failed, reason : [%s]", src_element_name, error->message);
+               return __mmplayer_gst_transform_error_decrypt(player, error);
        default:
                break;
        }
@@ -231,17 +273,10 @@ __mmplayer_gst_transform_gsterror(mm_player_t* player, GstMessage * message, GEr
        MMPLAYER_FLEAVE();
 
        return MM_ERROR_PLAYER_INVALID_STREAM;
-
-INTERNAL_ERROR:
-       return MM_ERROR_PLAYER_INTERNAL;
-
-CODEC_NOT_FOUND:
-       LOGD("not found any available codec. Player should be destroyed.\n");
-       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
 }
 
 gint
-__mmplayer_gst_handle_core_error(mm_player_t* player, int code)
+__mmplayer_gst_handle_core_error(mmplayer_t *player, int code)
 {
        gint trans_err = MM_ERROR_NONE;
 
@@ -276,7 +311,7 @@ __mmplayer_gst_handle_core_error(mm_player_t* player, int code)
 }
 
 gint
-__mmplayer_gst_handle_library_error(mm_player_t* player, int code)
+__mmplayer_gst_handle_library_error(mmplayer_t *player, int code)
 {
        gint trans_err = MM_ERROR_NONE;
 
@@ -302,7 +337,7 @@ __mmplayer_gst_handle_library_error(mm_player_t* player, int code)
 }
 
 gint
-__mmplayer_gst_handle_resource_error(mm_player_t* player, int code, GstMessage * message)
+__mmplayer_gst_handle_resource_error(mmplayer_t *player, int code, GstMessage *message)
 {
        gint trans_err = MM_ERROR_NONE;
 
@@ -328,7 +363,7 @@ __mmplayer_gst_handle_resource_error(mm_player_t* player, int code, GstMessage *
                        break;
                } else if (message != NULL && message->src != NULL) {
                        storage_state_e storage_state = STORAGE_STATE_UNMOUNTABLE;
-                       MMPlayerPathType path_type = MMPLAYER_PATH_MAX;
+                       mmplayer_path_type_e path_type = MMPLAYER_PATH_MAX;
 
                        if (message->src == (GstObject *)player->pipeline->mainbin[MMPLAYER_M_SRC].gst)
                                path_type = MMPLAYER_PATH_VOD;
@@ -363,7 +398,7 @@ __mmplayer_gst_handle_resource_error(mm_player_t* player, int code, GstMessage *
 }
 
 gint
-__mmplayer_gst_handle_stream_error(mm_player_t* player, GError* error, GstMessage * message)
+__mmplayer_gst_handle_stream_error(mmplayer_t *player, GError *error, GstMessage *message)
 {
        gint trans_err = MM_ERROR_NONE;
 
@@ -401,7 +436,7 @@ __mmplayer_gst_handle_stream_error(mm_player_t* player, GError* error, GstMessag
 }
 
 gboolean
-__mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* error)
+__mmplayer_handle_gst_error(mmplayer_t *player, GstMessage *message, GError *error)
 {
        MMMessageParamType msg_param;
        gchar *msg_src_element;
@@ -411,7 +446,7 @@ __mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* e
        MMPLAYER_RETURN_VAL_IF_FAIL(player, FALSE);
        MMPLAYER_RETURN_VAL_IF_FAIL(error, FALSE);
 
-       /* NOTE : do somthing necessary inside of __gst_handle_XXX_error. not here */
+       /* NOTE : do something necessary inside of __gst_handle_XXX_error. not here */
 
        memset(&msg_param, 0, sizeof(MMMessageParamType));
 
@@ -424,7 +459,7 @@ __mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* e
        } else if (error->domain == GST_STREAM_ERROR) {
                msg_param.code = __mmplayer_gst_handle_stream_error(player, error, message);
        } else {
-               LOGW("This error domain is not defined.\n");
+               LOGW("This error domain is not defined.");
 
                /* we treat system error as an internal error */
                msg_param.code = MM_ERROR_PLAYER_INVALID_STREAM;
@@ -433,9 +468,9 @@ __mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* e
        if (message->src) {
                msg_src_element = GST_ELEMENT_NAME(GST_ELEMENT_CAST(message->src));
 
-               msg_param.data = (void *) error->message;
+               msg_param.data = (void *)error->message;
 
-               LOGE("-Msg src : [%s]   Domain : [%s]   Error : [%s]  Code : [%d] is tranlated to error code : [0x%x]\n",
+               LOGE("-Msg src : [%s]   Domain : [%s]   Error : [%s]  Code : [%d] is translated to error code : [0x%x]",
                        msg_src_element, g_quark_to_string(error->domain), error->message, error->code, msg_param.code);
        }
 
@@ -461,8 +496,9 @@ __mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* e
                MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg_param);
                /* don't post more if one was sent already */
                player->msg_posted = TRUE;
-       } else
-               LOGD("skip error post because it's sent already.\n");
+       } else {
+               LOGD("skip error post because it's sent already.");
+       }
 
        MMPLAYER_FLEAVE();
 
@@ -470,7 +506,7 @@ __mmplayer_handle_gst_error(mm_player_t* player, GstMessage * message, GError* e
 }
 
 static gboolean
-__mmplayer_handle_streaming_error(mm_player_t* player, GstMessage * message)
+__mmplayer_handle_streaming_error(mmplayer_t *player, GstMessage *message)
 {
        LOGD("\n");
        MMMessageParamType msg_param;
@@ -635,13 +671,13 @@ __mmplayer_handle_streaming_error(mm_player_t* player, GstMessage * message)
 
        error_string = g_strdup(gst_structure_get_string(s, "error_string"));
        if (error_string)
-               msg_param.data = (void *) error_string;
+               msg_param.data = (void *)error_string;
 
        if (message->src) {
                msg_src_element = GST_ELEMENT_NAME(GST_ELEMENT_CAST(message->src));
 
-               LOGE("-Msg src : [%s] Code : [%x] Error : [%s]  \n",
-                       msg_src_element, msg_param.code, (char*)msg_param.data);
+               LOGE("-Msg src : [%s] Code : [0x%x] Error : [%s]",
+                       msg_src_element, msg_param.code, (char *)msg_param.data);
        }
 
        /* post error to application */
@@ -650,11 +686,12 @@ __mmplayer_handle_streaming_error(mm_player_t* player, GstMessage * message)
 
                /* don't post more if one was sent already */
                player->msg_posted = TRUE;
-       } else
-               LOGD("skip error post because it's sent already.\n");
+       } else {
+               LOGD("skip error post because it's sent already.");
+       }
 
        gst_structure_free(s);
-       g_free(error_string);
+       MMPLAYER_FREEIF(error_string);
 
        MMPLAYER_FLEAVE();
        return TRUE;
@@ -662,7 +699,7 @@ __mmplayer_handle_streaming_error(mm_player_t* player, GstMessage * message)
 }
 
 static void
-__mmplayer_get_metadata_360_from_tags(GstTagList *tags, mm_player_spherical_metadata_t *metadata)
+__mmplayer_get_metadata_360_from_tags(GstTagList *tags, mmplayer_spherical_metadata_t *metadata)
 {
        gst_tag_list_get_int(tags, "is_spherical", &metadata->is_spherical);
        gst_tag_list_get_int(tags, "is_stitched", &metadata->is_stitched);
@@ -694,140 +731,130 @@ __mmplayer_get_metadata_360_from_tags(GstTagList *tags, mm_player_spherical_meta
 }
 
 static gboolean
-__mmplayer_gst_extract_tag_from_msg(mm_player_t* player, GstMessage* msg)
+__mmplayer_gst_extract_tag_from_msg(mmplayer_t *player, GstMessage *msg)
 {
 
 /* 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_LOGD("update tag string : %s\n", string); \
-               if (strlen(string) > MM_MAX_STRING_LENGTH) { \
-                       char *new_string = malloc(MM_MAX_STRING_LENGTH); \
-                       strncpy(new_string, string, MM_MAX_STRING_LENGTH-1); \
-                       new_string[MM_MAX_STRING_LENGTH-1] = '\0'; \
-                       mm_attrs_set_string_by_name(attribute, playertag, new_string); \
-                       g_free(new_string); \
-                       new_string = NULL; \
-               } else { \
-                       mm_attrs_set_string_by_name(attribute, playertag, string); \
+#define MMPLAYER_UPDATE_TAG_STRING(gsttag, player, playertag) \
+       do { \
+               if (gst_tag_list_get_string(tag_list, gsttag, &string)) {\
+                       if (string != NULL) { \
+                               SECURE_LOGD("update tag string : %s", string); \
+                               if (strlen(string) > MM_MAX_STRING_LENGTH) { \
+                                       char *new_string = g_malloc(MM_MAX_STRING_LENGTH); \
+                                       strncpy(new_string, string, MM_MAX_STRING_LENGTH - 1); \
+                                       new_string[MM_MAX_STRING_LENGTH - 1] = '\0'; \
+                                       mm_player_set_attribute((MMHandleType)player, NULL,\
+                                                       playertag, new_string, strlen(new_string), NULL); \
+                                       MMPLAYER_FREEIF(new_string); \
+                               } else { \
+                                       mm_player_set_attribute((MMHandleType)player, NULL,\
+                                                       playertag, string, strlen(string), NULL); \
+                               } \
+                               MMPLAYER_FREEIF(string); \
+                       } \
                } \
-               g_free(string); \
-               string = NULL; \
-       } \
-}
-
-#define MMPLAYER_UPDATE_TAG_IMAGE(gsttag, attribute, playertag) \
-do {   \
-       GstSample *sample = NULL;\
-       if (gst_tag_list_get_sample_index(tag_list, gsttag, index, &sample)) {\
-               GstMapInfo info = GST_MAP_INFO_INIT;\
-               buffer = gst_sample_get_buffer(sample);\
-               if (!gst_buffer_map(buffer, &info, GST_MAP_READ)) {\
-                       LOGD("failed to get image data from tag");\
+       } while (0)
+
+#define MMPLAYER_UPDATE_TAG_IMAGE(gsttag, player, playertag) \
+       do {    \
+               GstSample *sample = NULL;\
+               if (gst_tag_list_get_sample_index(tag_list, gsttag, index, &sample)) {\
+                       GstMapInfo info = GST_MAP_INFO_INIT;\
+                       buffer = gst_sample_get_buffer(sample);\
+                       if (!gst_buffer_map(buffer, &info, GST_MAP_READ)) {\
+                               LOGD("failed to get image data from tag");\
+                               gst_sample_unref(sample);\
+                               return FALSE;\
+                       } \
+                       SECURE_LOGD("update album cover data : %p, size : %zu", info.data, info.size);\
+                       MMPLAYER_FREEIF(player->album_art);\
+                       player->album_art = (gchar *)g_malloc(info.size);\
+                       if (player->album_art) {\
+                               memcpy(player->album_art, info.data, info.size);\
+                               mm_player_set_attribute((MMHandleType)player, NULL,\
+                                               playertag, (void *)player->album_art, info.size, NULL); \
+                               if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player)) {\
+                                       msg_param.data = (void *)player->album_art;\
+                                       msg_param.size = info.size;\
+                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_IMAGE_BUFFER, &msg_param);\
+                                       SECURE_LOGD("post message image buffer data : %p, size : %zu", info.data, info.size);\
+                               } \
+                       } \
+                       gst_buffer_unmap(buffer, &info);\
                        gst_sample_unref(sample);\
-                       return FALSE;\
+               }       \
+       } while (0)
+
+#define MMPLAYER_UPDATE_TAG_UINT(gsttag, player, playertag) \
+       do {    \
+               if (gst_tag_list_get_uint(tag_list, gsttag, &v_uint)) { \
+                       if (v_uint) { \
+                               int i = 0; \
+                               mmplayer_track_type_e track_type = MM_PLAYER_TRACK_TYPE_AUDIO; \
+                               if (strstr(GST_OBJECT_NAME(msg->src), "audio")) \
+                                       track_type = MM_PLAYER_TRACK_TYPE_AUDIO; \
+                               else if (strstr(GST_OBJECT_NAME(msg->src), "video")) \
+                                       track_type = MM_PLAYER_TRACK_TYPE_VIDEO; \
+                               else \
+                                       track_type = MM_PLAYER_TRACK_TYPE_TEXT; \
+                               if (!strncmp(gsttag, GST_TAG_BITRATE, strlen(GST_TAG_BITRATE))) { \
+                                       if (track_type == MM_PLAYER_TRACK_TYPE_AUDIO) \
+                                               mm_player_set_attribute((MMHandleType)player, NULL,\
+                                                               "content_audio_bitrate", v_uint, NULL); \
+                                       player->bitrate[track_type] = v_uint; \
+                                       player->total_bitrate = 0; \
+                                       for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++) \
+                                               player->total_bitrate += player->bitrate[i]; \
+                                       mm_player_set_attribute((MMHandleType)player, NULL,\
+                                                       playertag, player->total_bitrate, NULL); \
+                                       SECURE_LOGD("update bitrate %d[bps] of stream #%d.", v_uint, (int)track_type); \
+                               } else if (!strncmp(gsttag, GST_TAG_MAXIMUM_BITRATE, strlen(GST_TAG_MAXIMUM_BITRATE))) { \
+                                       player->maximum_bitrate[track_type] = v_uint; \
+                                       player->total_maximum_bitrate = 0; \
+                                       for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++) \
+                                               player->total_maximum_bitrate += player->maximum_bitrate[i]; \
+                                       mm_player_set_attribute((MMHandleType)player, NULL,\
+                                                       playertag, player->total_maximum_bitrate, NULL); \
+                                       SECURE_LOGD("update maximum bitrate %d[bps] of stream #%d", v_uint, (int)track_type);\
+                               } else { \
+                                       mm_player_set_attribute((MMHandleType)player, NULL, playertag, v_uint, NULL); \
+                               } \
+                               v_uint = 0;\
+                       } \
                } \
-               SECURE_LOGD("update album cover data : %p, size : %d\n", info.data, info.size);\
-               MMPLAYER_FREEIF(player->album_art);\
-               player->album_art = (gchar *)g_malloc(info.size);\
-               if (player->album_art) {\
-                       memcpy(player->album_art, info.data, info.size);\
-                       mm_attrs_set_data_by_name(attribute, playertag, (void *)player->album_art, info.size);\
-                       if (MMPLAYER_IS_HTTP_LIVE_STREAMING(player)) {\
-                               msg_param.data = (void *)player->album_art;\
-                               msg_param.size = info.size;\
-                               MMPLAYER_POST_MSG(player, MM_MESSAGE_IMAGE_BUFFER, &msg_param);\
-                               SECURE_LOGD("post message image buffer data : %p, size : %d\n", info.data, info.size);\
+       } while (0)
+
+#define MMPLAYER_UPDATE_TAG_DATE(gsttag, player, playertag) \
+       do { \
+               if (gst_tag_list_get_date(tag_list, gsttag, &date)) {\
+                       if (date != NULL) {\
+                               string = g_strdup_printf("%d", g_date_get_year(date));\
+                               mm_player_set_attribute((MMHandleType)player, NULL,\
+                                               playertag, string, strlen(string), NULL); \
+                               SECURE_LOGD("metainfo year : %s", string);\
+                               MMPLAYER_FREEIF(string);\
+                               g_date_free(date);\
                        } \
                } \
-               gst_buffer_unmap(buffer, &info);\
-               gst_sample_unref(sample);\
-       }       \
-} while (0)
-
-#define MMPLAYER_UPDATE_TAG_UINT(gsttag, attribute, playertag) \
-do {   \
-       if (gst_tag_list_get_uint(tag_list, gsttag, &v_uint)) { \
-               if (v_uint) { \
-                       int i = 0; \
-                       gchar *tag_list_str = NULL; \
-                       MMPlayerTrackType track_type = MM_PLAYER_TRACK_TYPE_AUDIO; \
-                       if (strstr(GST_OBJECT_NAME(msg->src), "audio")) \
-                               track_type = MM_PLAYER_TRACK_TYPE_AUDIO; \
-                       else if (strstr(GST_OBJECT_NAME(msg->src), "video")) \
-                               track_type = MM_PLAYER_TRACK_TYPE_VIDEO; \
-                       else \
-                               track_type = MM_PLAYER_TRACK_TYPE_TEXT; \
-                       if (!strncmp(gsttag, GST_TAG_BITRATE, strlen(GST_TAG_BITRATE))) { \
-                               if (track_type == MM_PLAYER_TRACK_TYPE_AUDIO) \
-                                       mm_attrs_set_int_by_name(attribute, "content_audio_bitrate", v_uint); \
-                               player->bitrate[track_type] = v_uint; \
-                               player->total_bitrate = 0; \
-                               for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++) \
-                                       player->total_bitrate += player->bitrate[i]; \
-                               mm_attrs_set_int_by_name(attribute, playertag, player->total_bitrate); \
-                               SECURE_LOGD("update bitrate %d[bps] of stream #%d.\n", v_uint, (int)track_type); \
-                       } else if (!strncmp(gsttag, GST_TAG_MAXIMUM_BITRATE, strlen(GST_TAG_MAXIMUM_BITRATE))) { \
-                               player->maximum_bitrate[track_type] = v_uint; \
-                               player->total_maximum_bitrate = 0; \
-                               for (i = 0; i < MM_PLAYER_STREAM_COUNT_MAX; i++) \
-                                       player->total_maximum_bitrate += player->maximum_bitrate[i]; \
-                               mm_attrs_set_int_by_name(attribute, playertag, player->total_maximum_bitrate);\
-                               SECURE_LOGD("update maximum bitrate %d[bps] of stream #%d\n", v_uint, (int)track_type);\
-                       } else { \
-                               mm_attrs_set_int_by_name(attribute, playertag, v_uint); \
+       } while (0)
+
+#define MMPLAYER_UPDATE_TAG_DATE_TIME(gsttag, player, playertag) \
+       do { \
+               if (gst_tag_list_get_date_time(tag_list, gsttag, &datetime)) {\
+                       if (datetime != NULL) {\
+                               string = g_strdup_printf("%d", gst_date_time_get_year(datetime));\
+                               mm_player_set_attribute((MMHandleType)player, NULL,\
+                                               playertag, string, strlen(string), NULL); \
+                               SECURE_LOGD("metainfo year : %s", string);\
+                               MMPLAYER_FREEIF(string);\
+                               gst_date_time_unref(datetime);\
                        } \
-                       v_uint = 0;\
-                       g_free(tag_list_str); \
                } \
-       } \
-} while (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_LOGD("metainfo year : %s\n", string);\
-               MMPLAYER_FREEIF(string);\
-               g_date_free(date);\
-       } \
-}
-
-#define MMPLAYER_UPDATE_TAG_DATE_TIME(gsttag, attribute, playertag) \
-if (gst_tag_list_get_date_time(tag_list, gsttag, &datetime)) {\
-       if (datetime != NULL) {\
-               string = g_strdup_printf("%d", gst_date_time_get_year(datetime));\
-               mm_attrs_set_string_by_name(attribute, playertag, string);\
-               SECURE_LOGD("metainfo year : %s\n", string);\
-               MMPLAYER_FREEIF(string);\
-               gst_date_time_unref(datetime);\
-       } \
-}
-
-#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;\
-       } \
-}
-
-#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;\
-       } \
-}
+       } while (0)
 
        /* function start */
-       GstTagList* tag_list = NULL;
-
-       MMHandleType attrs = 0;
+       GstTagList *tag_list = NULL;
 
        char *string = NULL;
        guint v_uint = 0;
@@ -844,69 +871,34 @@ if (gst_tag_list_get_double(tag_list, gsttag, &v_double)) {\
 
        MMPLAYER_RETURN_VAL_IF_FAIL(player && msg, FALSE);
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-
-       MMPLAYER_RETURN_VAL_IF_FAIL(attrs, FALSE);
-
        /* get tag list from gst message */
        gst_message_parse_tag(msg, &tag_list);
 
        /* 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_DATE_TIME(GST_TAG_DATE_TIME, 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_STRING(GST_TAG_TITLE, player, "tag_title");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ARTIST, player, "tag_artist");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_ALBUM, player, "tag_album");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COMPOSER, player, "tag_author");
+       MMPLAYER_UPDATE_TAG_DATE(GST_TAG_DATE, player, "tag_date");
+       MMPLAYER_UPDATE_TAG_DATE_TIME(GST_TAG_DATE_TIME, player, "tag_date");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_GENRE, player, "tag_genre");
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_TRACK_NUMBER, player, "tag_track_num");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_DESCRIPTION, player, "tag_description");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_COPYRIGHT, player, "tag_copyright");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_VIDEO_CODEC, player, "content_video_codec");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_AUDIO_CODEC, player, "content_audio_codec");
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_BITRATE, player, "content_bitrate");
+       MMPLAYER_UPDATE_TAG_UINT(GST_TAG_MAXIMUM_BITRATE, player, "content_max_bitrate");
        MMPLAYER_UPDATE_TAG_LOCK(player);
-       MMPLAYER_UPDATE_TAG_IMAGE(GST_TAG_IMAGE, attrs, "tag_album_cover");
+       MMPLAYER_UPDATE_TAG_IMAGE(GST_TAG_IMAGE, player, "tag_album_cover");
        MMPLAYER_UPDATE_TAG_UNLOCK(player);
-       /* 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, ?, ?); */
-       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_IMAGE_ORIENTATION, attrs, "content_video_orientation");
+       MMPLAYER_UPDATE_TAG_STRING(GST_TAG_IMAGE_ORIENTATION, player, "content_video_orientation");
 
        if (strstr(GST_OBJECT_NAME(msg->src), "demux")) {
                if (player->video360_metadata.is_spherical == -1) {
                        __mmplayer_get_metadata_360_from_tags(tag_list, &player->video360_metadata);
-                       mm_attrs_set_int_by_name(attrs, "content_video_is_spherical",
-                                       player->video360_metadata.is_spherical);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                                       "content_video_is_spherical", player->video360_metadata.is_spherical, NULL);
                        if (player->video360_metadata.is_spherical == 1) {
                                LOGD("This is spherical content for 360 playback.");
                                player->is_content_spherical = TRUE;
@@ -919,7 +911,7 @@ if (gst_tag_list_get_double(tag_list, gsttag, &v_double)) {\
                                if (!strcmp(player->video360_metadata.projection_type_string, "equirectangular")) {
                                        player->video360_metadata.projection_type = VIDEO360_PROJECTION_TYPE_EQUIRECTANGULAR;
                                } else {
-                                       LOGE("Projection %s: code not implemented.\n", player->video360_metadata.projection_type_string);
+                                       LOGE("Projection %s: code not implemented.", player->video360_metadata.projection_type_string);
                                        player->is_content_spherical = player->is_video360_enabled = FALSE;
                                }
                        }
@@ -932,24 +924,21 @@ if (gst_tag_list_get_double(tag_list, gsttag, &v_double)) {\
                                } else if (!strcmp(player->video360_metadata.stereo_mode_string, "top-bottom")) {
                                        player->video360_metadata.stereo_mode = VIDEO360_MODE_STEREOSCOPIC_TOP_BOTTOM;
                                } else {
-                                       LOGE("Stereo mode %s: code not implemented.\n", player->video360_metadata.stereo_mode_string);
+                                       LOGE("Stereo mode %s: code not implemented.", player->video360_metadata.stereo_mode_string);
                                        player->is_content_spherical = player->is_video360_enabled = FALSE;
                                }
                        }
                }
        }
 
-       if (mmf_attrs_commit(attrs))
-               LOGE("failed to commit.\n");
-
-       gst_tag_list_free(tag_list);
+       gst_tag_list_unref(tag_list);
 
        return TRUE;
 }
 
-/* if retval is FALSE, it will be dropped for perfomance. */
+/* if retval is FALSE, it will be dropped for performance. */
 static gboolean
-__mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
+__mmplayer_gst_check_useful_message(mmplayer_t *player, GstMessage *message)
 {
        gboolean retval = FALSE;
 
@@ -968,6 +957,7 @@ __mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
        case GST_MESSAGE_ELEMENT:
        case GST_MESSAGE_DURATION_CHANGED:
        case GST_MESSAGE_ASYNC_START:
+       case GST_MESSAGE_STREAM_COLLECTION:
                retval = TRUE;
                break;
        case GST_MESSAGE_ASYNC_DONE:
@@ -985,7 +975,7 @@ __mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
                retval = TRUE;
                gst_message_parse_buffering(message, &buffer_percent);
                if (buffer_percent != MAX_BUFFER_PERCENT) {
-                       LOGD("[%s] buffering msg %d%%!!\n", GST_OBJECT_NAME(GST_MESSAGE_SRC(message)), buffer_percent);
+                       LOGD("[%s] buffering msg %d%%!!", GST_OBJECT_NAME(GST_MESSAGE_SRC(message)), buffer_percent);
                        break;
                }
 
@@ -995,7 +985,7 @@ __mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
                }
 
                if ((player->streamer) && (player->streamer->buffering_state & MM_PLAYER_BUFFERING_IN_PROGRESS)) {
-                       LOGD("[%s] Buffering DONE is detected !!\n", GST_OBJECT_NAME(GST_MESSAGE_SRC(message)));
+                       LOGD("[%s] Buffering DONE is detected !", GST_OBJECT_NAME(GST_MESSAGE_SRC(message)));
                        player->streamer->buffering_state |= MM_PLAYER_BUFFERING_COMPLETE;
                }
 
@@ -1003,6 +993,36 @@ __mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
 
                break;
        }
+       case GST_MESSAGE_STREAMS_SELECTED:
+       {
+               if (MMPLAYER_USE_DECODEBIN(player))
+                       break; /* drop msg */
+
+               if ((MMPLAYER_IS_HTTP_STREAMING(player)) &&
+                       (!player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst) &&
+                       (player->pipeline->mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst)) {
+
+                       gint64 dur_bytes = 0L;
+
+                       if (!gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, GST_FORMAT_BYTES, &dur_bytes))
+                               LOGE("fail to get duration.");
+
+                       /* there is no mq, enable use-buffering on queue2 (ex) wav 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 */
+                                                       MUXED_BUFFER_TYPE_MAX,                          /* use previous buffer type setting */
+                                                       ((dur_bytes > 0) ? ((guint64)dur_bytes) : 0));
+               }
+
+               LOGD("GST_MESSAGE_STREAMS_SELECTED");
+               player->no_more_pad = TRUE;
+               _mmplayer_set_reconfigure_state(player, FALSE);
+               _mmplayer_pipeline_complete(NULL, player);
+               retval = TRUE;
+               break;
+       }
        default:
                retval = FALSE;
                break;
@@ -1012,49 +1032,36 @@ __mmplayer_gst_check_useful_message(mm_player_t *player, GstMessage * message)
 }
 
 static void
-__mmplayer_update_buffer_setting(mm_player_t *player, GstMessage *buffering_msg)
+__mmplayer_update_buffer_setting(mmplayer_t *player, GstMessage *buffering_msg)
 {
-       MMHandleType attrs = 0;
        guint64 data_size = 0;
-       gchar* path = NULL;
        gint64 pos_nsec = 0;
-       struct stat sb;
 
        MMPLAYER_RETURN_IF_FAIL(player && player->pipeline && player->pipeline->mainbin);
 
-       __mmplayer_gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &pos_nsec);      /* to update player->last_position */
-
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if (!attrs) {
-               LOGE("fail to get attributes.\n");
-               return;
-       }
-
-       if (!MMPLAYER_IS_STREAMING(player) && (player->can_support_codec & FOUND_PLUGIN_VIDEO)) {
-               mm_attrs_get_string_by_name(attrs, "profile_uri", &path);
+       _mmplayer_gst_get_position(player, &pos_nsec);  /* to update player->last_position */
 
-               if (stat(path, &sb) == 0)
-                       data_size = (guint64)sb.st_size;
-       } else if (MMPLAYER_IS_HTTP_STREAMING(player))
+       if (MMPLAYER_IS_HTTP_STREAMING(player)) {
                data_size = player->http_content_size;
+       }
 
-       __mm_player_streaming_buffering(player->streamer, buffering_msg, data_size, player->last_position, player->duration);
-       __mm_player_streaming_sync_property(player->streamer, player->pipeline->mainbin[MMPLAYER_M_AUTOPLUG].gst);
+       _mm_player_streaming_buffering(player->streamer, buffering_msg, data_size, player->last_position, player->duration);
+       _mm_player_streaming_sync_property(player->streamer, player->pipeline->mainbin[MMPLAYER_M_AUTOPLUG].gst);
 
        return;
 }
 
 static int
-__mmplayer_handle_buffering_playback(mm_player_t* player)
+__mmplayer_handle_buffering_playback(mmplayer_t *player)
 {
        int ret = MM_ERROR_NONE;
-       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;
+       mmplayer_state_e prev_state = MM_PLAYER_STATE_NONE;
+       mmplayer_state_e current_state = MM_PLAYER_STATE_NONE;
+       mmplayer_state_e target_state = MM_PLAYER_STATE_NONE;
+       mmplayer_state_e pending_state = MM_PLAYER_STATE_NONE;
 
        if (!player || !player->streamer || (MMPLAYER_IS_LIVE_STREAMING(player) && MMPLAYER_IS_RTSP_STREAMING(player))) {
-               LOGW("do nothing for buffering msg\n");
+               LOGW("do nothing for buffering msg");
                ret = MM_ERROR_PLAYER_INVALID_STATE;
                goto exit;
        }
@@ -1078,18 +1085,18 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                        {
                                switch (pending_state) {
                                case MM_PLAYER_STATE_PLAYING:
-                                       __mmplayer_gst_pause(player, TRUE);
+                                       _mmplayer_gst_pause(player, TRUE);
                                        break;
 
                                case MM_PLAYER_STATE_PAUSED:
-                                       LOGD("player is already going to paused state, there is nothing to do.\n");
+                                       LOGD("player is already going to paused state, there is nothing to do.");
                                        break;
 
                                case MM_PLAYER_STATE_NONE:
                                case MM_PLAYER_STATE_NULL:
                                case MM_PLAYER_STATE_READY:
                                default:
-                                       LOGW("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state));
+                                       LOGW("invalid pending state [%s].", MMPLAYER_STATE_GET_NAME(pending_state));
                                        break;
                                }
                        }
@@ -1101,7 +1108,7 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                                case MM_PLAYER_STATE_NONE:
                                        {
                                                if (current_state != MM_PLAYER_STATE_PLAYING)
-                                                       __mmplayer_gst_resume(player, TRUE);
+                                                       _mmplayer_gst_resume(player, TRUE);
                                        }
                                        break;
 
@@ -1110,22 +1117,22 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                                         * Because, buffering can be completed during autoplugging when pipeline would try to go playing state directly.
                                         */
                                        if (current_state == MM_PLAYER_STATE_PLAYING) {
-                                               /* NOTE: If the current state is PLAYING, it means, async __mmplayer_gst_pause() is not completed yet.
+                                               /* NOTE: If the current state is PLAYING, it means, async _mmplayer_gst_pause() is not completed yet.
                                                 * The current state should be changed to paused purposely to prevent state conflict.
                                                 */
                                                MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PAUSED);
                                        }
-                                       __mmplayer_gst_resume(player, TRUE);
+                                       _mmplayer_gst_resume(player, TRUE);
                                        break;
 
                                case MM_PLAYER_STATE_PLAYING:
-                                       LOGD("player is already going to playing state, there is nothing to do.\n");
+                                       LOGD("player is already going to playing state, there is nothing to do.");
                                        break;
 
                                case MM_PLAYER_STATE_NULL:
                                case MM_PLAYER_STATE_READY:
                                default:
-                                       LOGW("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state));
+                                       LOGW("invalid pending state [%s].", MMPLAYER_STATE_GET_NAME(pending_state));
                                        break;
                                }
                        }
@@ -1135,7 +1142,7 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                case MM_PLAYER_STATE_READY:
                case MM_PLAYER_STATE_NONE:
                default:
-                       LOGW("invalid target state [%s].\n", MMPLAYER_STATE_GET_NAME(target_state));
+                       LOGW("invalid target state [%s].", MMPLAYER_STATE_GET_NAME(target_state));
                        break;
                }
        } else {
@@ -1148,8 +1155,8 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                                if (current_state != MM_PLAYER_STATE_PAUSED) {
                                        /* rtsp streaming pause makes rtsp server stop sending data. */
                                        if (!MMPLAYER_IS_RTSP_STREAMING(player)) {
-                                               LOGD("set pause state during buffering\n");
-                                               __mmplayer_gst_pause(player, TRUE);
+                                               LOGD("set pause state during buffering");
+                                               _mmplayer_gst_pause(player, TRUE);
                                        }
                                }
                        }
@@ -1158,7 +1165,7 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                case MM_PLAYER_STATE_PLAYING:
                        /* rtsp streaming pause makes rtsp server stop sending data. */
                        if (!MMPLAYER_IS_RTSP_STREAMING(player))
-                               __mmplayer_gst_pause(player, TRUE);
+                               _mmplayer_gst_pause(player, TRUE);
                        break;
 
                case MM_PLAYER_STATE_PAUSED:
@@ -1167,7 +1174,7 @@ __mmplayer_handle_buffering_playback(mm_player_t* player)
                case MM_PLAYER_STATE_NULL:
                case MM_PLAYER_STATE_READY:
                default:
-                       LOGW("invalid pending state [%s].\n", MMPLAYER_STATE_GET_NAME(pending_state));
+                       LOGW("invalid pending state [%s].", MMPLAYER_STATE_GET_NAME(pending_state));
                        break;
                }
        }
@@ -1176,13 +1183,13 @@ exit:
        return ret;
 }
 
-static VariantData *
-__mmplayer_adaptive_var_info(const VariantData *self, gpointer user_data)
+static stream_variant_t *
+__mmplayer_adaptive_var_info(const stream_variant_t *self, gpointer user_data)
 {
-       VariantData *var_info = NULL;
+       stream_variant_t *var_info = NULL;
        g_return_val_if_fail(self != NULL, NULL);
 
-       var_info = g_new0(VariantData, 1);
+       var_info = g_new0(stream_variant_t, 1);
        if (!var_info) return NULL;
        var_info->bandwidth = self->bandwidth;
        var_info->width = self->width;
@@ -1191,7 +1198,7 @@ __mmplayer_adaptive_var_info(const VariantData *self, gpointer user_data)
 }
 
 static gboolean
-__mmplayer_gst_handle_duration(mm_player_t* player, GstMessage* msg)
+__mmplayer_gst_handle_duration(mmplayer_t *player, GstMessage *msg)
 {
        gint64 bytes = 0;
 
@@ -1206,11 +1213,11 @@ __mmplayer_gst_handle_duration(mm_player_t* player, GstMessage* msg)
 
                if (gst_element_query_duration(GST_ELEMENT_CAST(msg->src), GST_FORMAT_BYTES, &bytes)) {
                        LOGD("data total size of http content: %"G_GINT64_FORMAT, bytes);
-                       player->http_content_size = (bytes > 0) ? (bytes) : (0);
+                       player->http_content_size = (bytes > 0) ? bytes : 0;
                }
        } else {
                /* handling audio clip which has vbr. means duration is keep changing */
-               __mmplayer_update_content_attrs(player, ATTR_DURATION);
+               _mmplayer_update_content_attrs(player, ATTR_DURATION);
        }
 
        MMPLAYER_FLEAVE();
@@ -1221,20 +1228,20 @@ __mmplayer_gst_handle_duration(mm_player_t* player, GstMessage* msg)
 static gboolean
 __mmplayer_eos_timer_cb(gpointer u_data)
 {
-       mm_player_t* player = NULL;
+       mmplayer_t *player = NULL;
        MMHandleType attrs = 0;
        int count = 0;
 
        MMPLAYER_RETURN_VAL_IF_FAIL(u_data, FALSE);
 
-       player = (mm_player_t*) u_data;
+       player = (mmplayer_t *)u_data;
        attrs = MMPLAYER_GET_ATTRS(player);
 
        mm_attrs_get_int_by_name(attrs, "profile_play_count", &count);
 
        if (count == -1) {
                gint ret_value = 0;
-               ret_value = __mmplayer_gst_set_position(player, MM_PLAYER_POS_FORMAT_TIME, 0, TRUE);
+               ret_value = _mmplayer_gst_set_position(player, 0, TRUE);
                if (ret_value != MM_ERROR_NONE)
                        LOGE("seeking to 0 failed in repeat play");
        } else {
@@ -1247,27 +1254,27 @@ __mmplayer_eos_timer_cb(gpointer u_data)
 }
 
 static void
-__mmplayer_handle_eos_delay(mm_player_t* player, int delay_in_ms)
+__mmplayer_handle_eos_delay(mmplayer_t *player, int delay_in_ms)
 {
        MMPLAYER_RETURN_IF_FAIL(player);
 
        /* post now if delay is zero */
-       if (delay_in_ms == 0 || player->set_mode.pcm_extraction) {
-               LOGD("eos delay is zero. posting EOS now\n");
+       if (delay_in_ms == 0 || player->audio_decoded_cb) {
+               LOGD("eos delay is zero. posting EOS now");
                MMPLAYER_POST_MSG(player, MM_MESSAGE_END_OF_STREAM, NULL);
 
-               if (player->set_mode.pcm_extraction)
-                       __mmplayer_cancel_eos_timer(player);
+               if (player->audio_decoded_cb)
+                       _mmplayer_cancel_eos_timer(player);
 
                return;
        }
 
        /* cancel if existing */
-       __mmplayer_cancel_eos_timer(player);
+       _mmplayer_cancel_eos_timer(player);
 
        /* init new timeout */
        /* NOTE : consider give high priority to this timer */
-       LOGD("posting EOS message after [%d] msec\n", delay_in_ms);
+       LOGD("posting EOS message after [%d] msec", delay_in_ms);
 
        player->eos_timer = g_timeout_add(delay_in_ms,
                __mmplayer_eos_timer_cb, player);
@@ -1277,14 +1284,15 @@ __mmplayer_handle_eos_delay(mm_player_t* player, int delay_in_ms)
 
        /* check timer is valid. if not, send EOS now */
        if (player->eos_timer == 0) {
-               LOGW("creating timer for delayed EOS has failed. sending EOS now\n");
+               LOGW("creating timer for delayed EOS has failed. sending EOS now");
                MMPLAYER_POST_MSG(player, MM_MESSAGE_END_OF_STREAM, NULL);
        }
 }
 
-static int __mmplayer_gst_pending_seek(mm_player_t* player)
+static int
+__mmplayer_gst_pending_seek(mmplayer_t *player)
 {
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       mmplayer_state_e current_state = MM_PLAYER_STATE_NONE;
        int ret = MM_ERROR_NONE;
 
        MMPLAYER_FENTER();
@@ -1292,7 +1300,7 @@ static int __mmplayer_gst_pending_seek(mm_player_t* player)
        MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
 
        if (!player->pending_seek.is_pending) {
-               LOGD("pending seek is not reserved. nothing to do.\n");
+               LOGD("pending seek is not reserved. nothing to do.");
                return ret;
        }
 
@@ -1300,19 +1308,18 @@ static int __mmplayer_gst_pending_seek(mm_player_t* player)
        current_state = MMPLAYER_CURRENT_STATE(player);
 
        if (current_state != MM_PLAYER_STATE_PAUSED && current_state != MM_PLAYER_STATE_PLAYING) {
-               LOGW("try to pending seek in %s state, try next time. \n",
+               LOGW("try to pending seek in %s state, try next time. ",
                        MMPLAYER_STATE_GET_NAME(current_state));
                return ret;
        }
 
-       LOGD("trying to play from(%"G_GINT64_FORMAT") pending position\n", player->pending_seek.pos);
+       LOGD("trying to play from(%"G_GINT64_FORMAT") pending position", player->pending_seek.pos);
 
-       ret = __mmplayer_gst_set_position(player, player->pending_seek.format, player->pending_seek.pos, FALSE);
+       ret = _mmplayer_gst_set_position(player, player->pending_seek.pos, FALSE);
+       if (ret != MM_ERROR_NONE)
+               LOGE("failed to seek pending position. just keep staying current position.");
 
-       if (MM_ERROR_NONE != ret)
-               LOGE("failed to seek pending postion. just keep staying current position.\n");
-
-       player->pending_seek.is_pending = FALSE;
+       player->pending_seek.is_pending = false;
 
        MMPLAYER_FLEAVE();
 
@@ -1320,9 +1327,9 @@ static int __mmplayer_gst_pending_seek(mm_player_t* player)
 }
 
 static void
-__mmplayer_gst_handle_async(mm_player_t* player, gboolean async, enum MMPlayerSinkType type)
+__mmplayer_gst_set_async(mmplayer_t *player, gboolean async, enum mmplayer_sink_type  type)
 {
-       MMPlayerGstElement *videobin = NULL, *audiobin = NULL, *textbin = NULL;
+       mmplayer_gst_element_t *videobin = NULL, *audiobin = NULL, *textbin = NULL;
 
        MMPLAYER_RETURN_IF_FAIL(player && player->pipeline);
 
@@ -1345,9 +1352,9 @@ __mmplayer_gst_handle_async(mm_player_t* player, gboolean async, enum MMPlayerSi
 }
 
 static void
-__mmplayer_drop_subtitle(mm_player_t* player, gboolean is_drop)
+__mmplayer_drop_subtitle(mmplayer_t *player, gboolean is_drop)
 {
-       MMPlayerGstElement *textbin;
+       mmplayer_gst_element_t *textbin;
        MMPLAYER_FENTER();
 
        MMPLAYER_RETURN_IF_FAIL(player &&
@@ -1359,18 +1366,18 @@ __mmplayer_drop_subtitle(mm_player_t* player, gboolean is_drop)
        textbin = player->pipeline->textbin;
 
        if (is_drop) {
-               LOGD("Drop subtitle text after getting EOS\n");
+               LOGD("Drop subtitle text after getting EOS");
 
-               __mmplayer_gst_handle_async(player, FALSE, MMPLAYER_TEXT_SINK);
+               __mmplayer_gst_set_async(player, FALSE, MMPLAYER_TEXT_SINK);
                g_object_set(textbin[MMPLAYER_T_IDENTITY].gst, "drop-probability", (gfloat)1.0, NULL);
 
                player->is_subtitle_force_drop = TRUE;
        } else {
                if (player->is_subtitle_force_drop == TRUE) {
-                       LOGD("Enable subtitle data path without drop\n");
+                       LOGD("Enable subtitle data path without drop");
 
                        g_object_set(textbin[MMPLAYER_T_IDENTITY].gst, "drop-probability", (gfloat)0.0, NULL);
-                       __mmplayer_gst_handle_async(player, TRUE, MMPLAYER_TEXT_SINK);
+                       __mmplayer_gst_set_async(player, TRUE, MMPLAYER_TEXT_SINK);
 
                        LOGD("non-connected with external display");
 
@@ -1380,47 +1387,29 @@ __mmplayer_drop_subtitle(mm_player_t* player, gboolean is_drop)
 }
 
 static void
-__mmplayer_gst_handle_eos_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_eos_message(mmplayer_t *player, GstMessage *msg)
 {
        MMHandleType attrs = 0;
        gint count = 0;
 
        MMPLAYER_FENTER();
 
-       /* NOTE : EOS event is comming multiple time. watch out it */
+       /* NOTE : EOS event is coming 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)) {
                LOGD("EOS received on non-playing state. ignoring it");
                return;
        }
 
-       if (player->pipeline) {
-               if (player->pipeline->textbin)
-                       __mmplayer_drop_subtitle(player, TRUE);
-
-               if ((player->audio_stream_cb) && (player->set_mode.pcm_extraction) && (!player->audio_stream_render_cb_ex)) {
-                       GstPad *pad = NULL;
-
-                       pad = gst_element_get_static_pad(player->pipeline->audiobin[MMPLAYER_A_SINK].gst, "sink");
-
-                       LOGD("release audio callback");
-
-                       /* release audio callback */
-                       gst_pad_remove_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;
+       if (player->pipeline && player->pipeline->textbin)
+               __mmplayer_drop_subtitle(player, TRUE);
 
-               }
-       }
-       if ((player->audio_stream_render_cb_ex) && (!player->audio_stream_sink_sync))
-               __mmplayer_audio_stream_clear_buffer(player, TRUE);
+       if ((player->audio_decoded_cb) && (player->audio_extract_opt & MM_PLAYER_AUDIO_EXTRACT_NO_SYNC_WITH_CLOCK))
+               _mmplayer_audio_stream_clear_buffer(player, TRUE);
 
        /* rewind if repeat count is greater then zero */
        /* get play count */
        attrs = MMPLAYER_GET_ATTRS(player);
-
        if (attrs) {
                mm_attrs_get_int_by_name(attrs, "profile_play_count", &count);
 
@@ -1429,7 +1418,7 @@ __mmplayer_gst_handle_eos_message(mm_player_t* player, GstMessage *msg)
                if (count == -1 || player->playback_rate < 0.0) /* default value is 1 */ {
                        if (player->playback_rate < 0.0) {
                                player->resumed_by_rewind = TRUE;
-                               _mmplayer_set_mute((MMHandleType)player, 0);
+                               _mmplayer_set_mute((MMHandleType)player, false);
                                MMPLAYER_POST_MSG(player, MM_MESSAGE_RESUMED_BY_REW, NULL);
                        }
 
@@ -1457,10 +1446,10 @@ __mmplayer_gst_handle_eos_message(mm_player_t* player, GstMessage *msg)
 }
 
 static void
-__mmplayer_gst_handle_error_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_error_message(mmplayer_t *player, GstMessage *msg)
 {
        GError *error = NULL;
-       gchardebug = NULL;
+       gchar *debug = NULL;
 
        MMPLAYER_FENTER();
 
@@ -1477,9 +1466,9 @@ __mmplayer_gst_handle_error_message(mm_player_t* player, GstMessage *msg)
                __mmplayer_handle_streaming_error(player, msg);
 
                /* dump state of all element */
-               __mmplayer_dump_pipeline_state(player);
+               _mmplayer_dump_pipeline_state(player);
        } else {
-               /* traslate gst error code to msl error code. then post it
+               /* translate gst error code to msl error code. then post it
                 * to application if needed
                 */
                __mmplayer_handle_gst_error(player, msg, error);
@@ -1488,9 +1477,6 @@ __mmplayer_gst_handle_error_message(mm_player_t* player, GstMessage *msg)
                        LOGE("error debug : %s", debug);
        }
 
-       if (MMPLAYER_IS_HTTP_PD(player))
-               _mmplayer_unrealize_pd_downloader((MMHandleType)player);
-
        MMPLAYER_FREEIF(debug);
        g_error_free(error);
 
@@ -1499,7 +1485,7 @@ __mmplayer_gst_handle_error_message(mm_player_t* player, GstMessage *msg)
 }
 
 static void
-__mmplayer_gst_handle_buffering_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_buffering_message(mmplayer_t *player, GstMessage *msg)
 {
        MMMessageParamType msg_param = {0, };
        int bRet = MM_ERROR_NONE;
@@ -1512,23 +1498,7 @@ __mmplayer_gst_handle_buffering_message(mm_player_t* player, GstMessage *msg)
                return;
        }
 
-       if (player->pd_mode == MM_PLAYER_PD_MODE_URI) {
-               if (!MMPLAYER_CMD_TRYLOCK(player)) {
-                       /* skip the playback control by buffering msg while user request is handled. */
-                       gint per = 0;
-
-                       LOGW("[PD mode] can't get cmd lock, only post buffering msg");
-
-                       gst_message_parse_buffering(msg, &per);
-                       LOGD("[PD mode][%s] buffering %d %%....", GST_OBJECT_NAME(GST_MESSAGE_SRC(msg)), per);
-
-                       msg_param.connection.buffering = per;
-                       MMPLAYER_POST_MSG(player, MM_MESSAGE_BUFFERING, &msg_param);
-                       return;
-               }
-       } else {
-               MMPLAYER_CMD_LOCK(player);
-       }
+       MMPLAYER_CMD_LOCK(player);
 
        if (!player->streamer) {
                LOGW("Pipeline is shutting down");
@@ -1543,7 +1513,8 @@ __mmplayer_gst_handle_buffering_message(mm_player_t* player, GstMessage *msg)
                gst_message_parse_buffering(msg, &buffer_percent);
 
                if (buffer_percent == MAX_BUFFER_PERCENT) {
-                       LOGD("Ignored all the previous buffering msg!(got %d%%)\n", buffer_percent);
+                       LOGD("Ignored all the previous buffering msg!(got %d%%)", buffer_percent);
+                       __mmplayer_update_buffer_setting(player, NULL); /* update buffering size for next buffering */
                        player->streamer->buffering_state = MM_PLAYER_BUFFERING_DEFAULT;
                }
                MMPLAYER_CMD_UNLOCK(player);
@@ -1596,29 +1567,29 @@ __mmplayer_gst_handle_buffering_message(mm_player_t* player, GstMessage *msg)
                                        player->seek_state = MMPLAYER_SEEK_NONE;
                                        MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
                                } else if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PLAYING) {
-                                       /* Considering the async state trasition in case of RTSP.
-                                          After getting state change gst msg, seek cmpleted msg will be posted. */
+                                       /* Considering the async state transition in case of RTSP.
+                                          After getting state change gst msg, seek completed msg will be posted. */
                                        player->seek_state = MMPLAYER_SEEK_COMPLETED;
                                }
                        }
                }
        } else if (bRet == MM_ERROR_PLAYER_INVALID_STATE) {
                if (!player->streamer) {
-                       LOGW("player->streamer is NULL, so discarding the buffering percent update\n");
+                       LOGW("player->streamer is NULL, so discarding the buffering percent update");
                        MMPLAYER_CMD_UNLOCK(player);
                        return;
                }
 
                if ((MMPLAYER_IS_LIVE_STREAMING(player)) && (MMPLAYER_IS_RTSP_STREAMING(player))) {
 
-                       LOGD("player->last_position=%"G_GINT64_FORMAT" , player->streamer->buffering_percent=%d \n",
+                       LOGD("player->last_position=%"G_GINT64_FORMAT" , player->streamer->buffering_percent=%d",
                                        GST_TIME_AS_SECONDS(player->last_position), player->streamer->buffering_percent);
 
                        if ((GST_TIME_AS_SECONDS(player->last_position) <= 0) && (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PAUSED)) {
                                msg_param.connection.buffering = player->streamer->buffering_percent;
                                MMPLAYER_POST_MSG(player, MM_MESSAGE_BUFFERING, &msg_param);
                        } else {
-                               LOGD("Not updating Buffering Message for Live RTSP case !!!\n");
+                               LOGD("Not updating Buffering Message for Live RTSP case !!!");
                        }
                } else {
                        msg_param.connection.buffering = player->streamer->buffering_percent;
@@ -1633,9 +1604,9 @@ __mmplayer_gst_handle_buffering_message(mm_player_t* player, GstMessage *msg)
 }
 
 static void
-__mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_state_message(mmplayer_t *player, GstMessage *msg)
 {
-       MMPlayerGstElement *mainbin;
+       mmplayer_gst_element_t *mainbin;
        const GValue *voldstate, *vnewstate, *vpending;
        GstState oldstate = GST_STATE_NULL;
        GstState newstate = GST_STATE_NULL;
@@ -1677,12 +1648,12 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
                        int retVal = MM_ERROR_NONE;
                        LOGD("trying to play from (%"G_GINT64_FORMAT") pending position", player->pending_seek.pos);
 
-                       retVal = __mmplayer_gst_set_position(player, player->pending_seek.format, player->pending_seek.pos, TRUE);
+                       retVal = _mmplayer_gst_set_position(player, player->pending_seek.pos, TRUE);
 
                        if (MM_ERROR_NONE != retVal)
-                               LOGE("failed to seek pending postion. just keep staying current position.");
+                               LOGE("failed to seek pending position. just keep staying current position.");
 
-                       player->pending_seek.is_pending = FALSE;
+                       player->pending_seek.is_pending = false;
                }
        }
 
@@ -1696,9 +1667,6 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
                {
                        gboolean prepare_async = FALSE;
 
-                       if (!player->audio_cb_probe_id && player->set_mode.pcm_extraction && !player->audio_stream_render_cb_ex)
-                               __mmplayer_configure_audio_callback(player);
-
                        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);
@@ -1709,7 +1677,7 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
                                MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PAUSED);
 
                                if (MMPLAYER_IS_STREAMING(player) && (player->streamer))
-                                       __mm_player_streaming_set_content_bitrate(player->streamer,
+                                       _mm_player_streaming_set_content_bitrate(player->streamer,
                                                player->total_maximum_bitrate, player->total_bitrate);
 
                                if (player->pending_seek.is_pending) {
@@ -1726,7 +1694,7 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
                {
                        if (MMPLAYER_IS_STREAMING(player)) {
                                // managed prepare async case when buffering is completed
-                               // pending state should be reset otherwise, it's still playing even though it's resumed after bufferging.
+                               // pending state should be reset otherwise, it's still playing even though it's resumed after buffering.
                                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);
@@ -1746,7 +1714,7 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
                        }
 
                        if (player->gapless.stream_changed) {
-                               __mmplayer_update_content_attrs(player, ATTR_ALL);
+                               _mmplayer_update_content_attrs(player, ATTR_ALL);
                                player->gapless.stream_changed = FALSE;
                        }
 
@@ -1768,21 +1736,14 @@ __mmplayer_gst_handle_state_message(mm_player_t* player, GstMessage *msg)
 }
 
 static void
-__mmplayer_gst_handle_element_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_element_message(mmplayer_t *player, GstMessage *msg)
 {
        const gchar *structure_name;
        gint count = 0, idx = 0;
-       MMHandleType attrs = 0;
 
        MMPLAYER_FENTER();
        MMPLAYER_RETURN_IF_FAIL(player && player->pipeline && player->pipeline->mainbin);
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if (!attrs) {
-               LOGE("Failed to get content attribute");
-               return;
-       }
-
        if (gst_message_get_structure(msg) == NULL)
                return;
 
@@ -1806,7 +1767,7 @@ __mmplayer_gst_handle_element_message(mm_player_t* player, GstMessage *msg)
 
                        count = g_list_length(player->adaptive_info.var_list);
                        if (count > 0) {
-                               VariantData *temp = NULL;
+                               stream_variant_t *temp = NULL;
 
                                /* print out for debug */
                                LOGD("num of variant_info %d", count);
@@ -1824,54 +1785,21 @@ __mmplayer_gst_handle_element_message(mm_player_t* player, GstMessage *msg)
                gint extra_num_buffers = 0;
 
                if (gst_structure_get_int(gst_message_get_structure(msg), "num_buffers", &num_buffers)) {
-                       player->video_num_buffers = num_buffers;
-                       LOGD("video_num_buffers : %d", player->video_num_buffers);
+                       LOGD("video_num_buffers : %d", num_buffers);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                                       MM_PLAYER_VIDEO_BUFFER_TOTAL_SIZE, num_buffers, NULL);
                }
 
                if (gst_structure_get_int(gst_message_get_structure(msg), "extra_num_buffers", &extra_num_buffers)) {
-                       player->video_extra_num_buffers = extra_num_buffers;
                        LOGD("num_of_vout_extra num buffers : %d", extra_num_buffers);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                                       MM_PLAYER_VIDEO_BUFFER_EXTRA_SIZE, extra_num_buffers, NULL);
                }
                return;
        }
 
-       if (!strcmp(structure_name, "Language_list")) {
-               const GValue *lang_list = NULL;
-               lang_list = gst_structure_get_value(gst_message_get_structure(msg), "lang_list");
-               if (lang_list != NULL) {
-                       count = g_list_length((GList *)g_value_get_pointer(lang_list));
-                       if (count > 1)
-                               LOGD("Total audio tracks(from parser) = %d \n", count);
-               }
-       }
-
-       if (!strcmp(structure_name, "Ext_Sub_Language_List")) {
-               const GValue *lang_list = NULL;
-               MMPlayerLangStruct *temp = NULL;
-
-               lang_list = gst_structure_get_value(gst_message_get_structure(msg), "lang_list");
-               if (lang_list != NULL) {
-                       count = g_list_length((GList *)g_value_get_pointer(lang_list));
-                       if (count) {
-                               MMPLAYER_SUBTITLE_INFO_LOCK(player);
-                               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))
-                                       LOGE("failed to commit.\n");
-                               LOGD("Total subtitle tracks = %d \n", count);
-
-                               while (count) {
-                                       temp = g_list_nth_data(player->subtitle_language_list, count - 1);
-                                       if (temp)
-                                               LOGD("value of lang_key is %s and lang_code is %s",
-                                                                       temp->language_key, temp->language_code);
-                                       count--;
-                               }
-                               MMPLAYER_SUBTITLE_INFO_SIGNAL(player);
-                               MMPLAYER_SUBTITLE_INFO_UNLOCK(player);
-                       }
-               }
-       }
+       if (!strcmp(structure_name, "Ext_Sub_Language_List"))
+               _mmplayer_track_update_text_attr_info(player, msg);
 
        /* custom message */
        if (!strcmp(structure_name, "audio_codec_not_supported")) {
@@ -1881,50 +1809,44 @@ __mmplayer_gst_handle_element_message(mm_player_t* player, GstMessage *msg)
        }
 
        /* custom message for RTSP attribute :
-               RTSP case, buffer is not come from server before PLAYING state. However,we have to get attribute after PAUSE state chaged.
+               RTSP case, buffer is not come from server before PLAYING state. However,we have to get attribute after PAUSE state changed.
                sdp which has contents info is received when rtsp connection is opened.
                extract duration ,codec info , resolution from sdp and get it by GstMessage */
        if (!strcmp(structure_name, "rtspsrc_properties")) {
-
                gchar *audio_codec = NULL;
                gchar *video_codec = NULL;
                gchar *video_frame_size = NULL;
 
-               gst_structure_get(gst_message_get_structure(msg), "rtsp_duration", G_TYPE_UINT64, &player->duration, NULL);
+               gst_structure_get(gst_message_get_structure(msg),
+                                       "rtsp_duration", G_TYPE_UINT64, &player->duration, NULL);
                LOGD("rtsp duration : %"G_GINT64_FORMAT" msec", GST_TIME_AS_MSECONDS(player->duration));
-               player->streaming_type = __mmplayer_get_stream_service_type(player);
+               player->streaming_type = _mmplayer_get_stream_service_type(player);
 
-               gst_structure_get(gst_message_get_structure(msg), "rtsp_audio_codec", G_TYPE_STRING, &audio_codec, NULL);
+               gst_structure_get(gst_message_get_structure(msg),
+                                       "rtsp_audio_codec", G_TYPE_STRING, &audio_codec, NULL);
                LOGD("rtsp_audio_codec : %s", audio_codec);
                if (audio_codec)
-                       mm_attrs_set_string_by_name(player->attrs, "content_audio_codec", audio_codec);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                                       "content_audio_codec", audio_codec, strlen(audio_codec), NULL);
 
-               gst_structure_get(gst_message_get_structure(msg), "rtsp_video_codec", G_TYPE_STRING, &video_codec, NULL);
+               gst_structure_get(gst_message_get_structure(msg),
+                                       "rtsp_video_codec", G_TYPE_STRING, &video_codec, NULL);
                LOGD("rtsp_video_codec : %s", video_codec);
                if (video_codec)
-                       mm_attrs_set_string_by_name(player->attrs, "content_video_codec", video_codec);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                                       "content_video_codec", video_codec, strlen(video_codec), NULL);
 
-               gst_structure_get(gst_message_get_structure(msg), "rtsp_video_frame_size", G_TYPE_STRING, &video_frame_size, NULL);
+               gst_structure_get(gst_message_get_structure(msg),
+                                       "rtsp_video_frame_size", G_TYPE_STRING, &video_frame_size, NULL);
                LOGD("rtsp_video_frame_size : %s", video_frame_size);
                if (video_frame_size) {
-
-                       char *seperator = strchr(video_frame_size, '-');
-                       if (seperator) {
-
-                               char video_width[10] = {0,};
-                               int frame_size_len = strlen(video_frame_size);
-                               int separtor_len = strlen(seperator);
-
-                               strncpy(video_width, video_frame_size, (frame_size_len - separtor_len));
-                               mm_attrs_set_int_by_name(attrs, "content_video_width", atoi(video_width));
-
-                               seperator++;
-                               mm_attrs_set_int_by_name(attrs, "content_video_height", atoi(seperator));
-                       }
+                       gchar **res_str = g_strsplit(video_frame_size, "-", 0);
+                       mm_player_set_attribute((MMHandleType)player, NULL,
+                               MM_PLAYER_VIDEO_WIDTH, atoi(res_str[0]),
+                               MM_PLAYER_VIDEO_HEIGHT, atoi(res_str[1]),
+                               NULL);
+                       g_strfreev(res_str);
                }
-
-               if (mmf_attrs_commit(attrs))
-                       LOGE("failed to commit.\n");
        }
 
        MMPLAYER_FLEAVE();
@@ -1932,9 +1854,9 @@ __mmplayer_gst_handle_element_message(mm_player_t* player, GstMessage *msg)
 }
 
 static void
-__mmplayer_gst_handle_async_done_message(mm_player_t* player, GstMessage *msg)
+__mmplayer_gst_handle_async_done_message(mmplayer_t *player, GstMessage *msg)
 {
-       MMPlayerGstElement *mainbin;
+       mmplayer_gst_element_t *mainbin;
 
        MMPLAYER_FENTER();
        MMPLAYER_RETURN_IF_FAIL(player && player->pipeline && player->pipeline->mainbin);
@@ -1979,7 +1901,7 @@ __mmplayer_gst_handle_async_done_message(mm_player_t* player, GstMessage *msg)
                                                gst_query_parse_buffering_percent(query, &busy, &percent);
                                        gst_query_unref(query);
 
-                                       LOGD("buffered percent(%s): %d\n",
+                                       LOGD("buffered percent(%s): %d",
                                                GST_ELEMENT_NAME(player->streamer->buffer_handle[BUFFER_TYPE_MUXED].buffer), percent);
                                }
 
@@ -1995,79 +1917,92 @@ __mmplayer_gst_handle_async_done_message(mm_player_t* player, GstMessage *msg)
        return;
 }
 
-
-#if 0
-#endif
-
-int
-__mmplayer_gst_set_state(mm_player_t* player, GstElement * element,  GstState state, gboolean async, gint timeout)
+static void
+__mmplayer_print_tag_foreach(const GstTagList *tags, const gchar *tag, gpointer user_data)
 {
-       GstState element_state = GST_STATE_VOID_PENDING;
-       GstState element_pending_state = GST_STATE_VOID_PENDING;
-       GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
-
-       MMPLAYER_FENTER();
+       GValue val = { 0, };
+       gchar *str = NULL;
+       guint indent = GPOINTER_TO_UINT(user_data);
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       MMPLAYER_RETURN_VAL_IF_FAIL(element, MM_ERROR_INVALID_ARGUMENT);
+       if (!gst_tag_list_copy_value(&val, tags, tag))
+               return;
 
-       LOGD("setting [%s] element state to : %s\n", GST_ELEMENT_NAME(element), gst_element_state_get_name(state));
+       if (G_VALUE_HOLDS_STRING(&val))
+               str = g_value_dup_string(&val);
+       else
+               str = gst_value_serialize(&val);
 
-       /* set state */
-       ret = gst_element_set_state(element, state);
+       LOGD("%*s%s: %s\n", 2 * indent, " ", gst_tag_get_nick(tag), str);
+       g_free(str);
+       g_value_unset(&val);
+}
 
-       if (ret == GST_STATE_CHANGE_FAILURE) {
-               LOGE("failed to set [%s] state\n", GST_ELEMENT_NAME(element));
+static void
+__mmplayer_dump_collection(GstStreamCollection * collection)
+{
+       guint i = 0;
+       GstTagList *tags = NULL;
+       GstCaps *caps = NULL;
+
+       for (i = 0; i < gst_stream_collection_get_size(collection); i++) {
+               GstStream *stream = gst_stream_collection_get_stream(collection, i);
+               LOGD ("collection: Stream %u type %s flags 0x%x\n", i,
+                               gst_stream_type_get_name(gst_stream_get_stream_type(stream)),
+                               gst_stream_get_stream_flags(stream));
+               LOGD ("  ID: %s\n", gst_stream_get_stream_id(stream));
+
+               caps = gst_stream_get_caps(stream);
+               if (caps) {
+                       gchar *caps_str = gst_caps_to_string(caps);
+                       LOGD ("  caps: %s\n", caps_str);
+                       g_free(caps_str);
+                       gst_caps_unref(caps);
+               }
 
-               /* dump state of all element */
-               __mmplayer_dump_pipeline_state(player);
+               tags = gst_stream_get_tags(stream);
+               if (tags) {
+                       LOGD ("  tags:\n");
+                       gst_tag_list_foreach(tags, __mmplayer_print_tag_foreach, GUINT_TO_POINTER(MMPLAYER_TAG_INDENT));
+                       gst_tag_list_unref(tags);
+               }
+       }
+}
 
-               return MM_ERROR_PLAYER_INTERNAL;
+static void
+__mmplayer_stream_notify_cb(GstStreamCollection *collection,
+                       GstStream *stream, GParamSpec *pspec, gpointer data)
+{
+       LOGD ("Got stream-notify from stream %s for %s (collection %p)\n",
+                               gst_stream_get_stream_id(stream), pspec->name, collection);
+       if (g_str_equal(pspec->name, "caps")) {
+               GstCaps *caps = gst_stream_get_caps(stream);
+               gchar *caps_str = gst_caps_to_string(caps);
+               LOGD (" New caps: %s\n", caps_str);
+               g_free(caps_str);
+               gst_caps_unref(caps);
        }
 
-       /* return here so state transition to be done in async mode */
-       if (async) {
-               LOGD("async state transition. not waiting for state complete.\n");
-               return MM_ERROR_NONE;
+       if (g_str_equal (pspec->name, "tags")) {
+               GstTagList *tags = gst_stream_get_tags(stream);
+               if (tags) {
+                       LOGD ("  tags:\n");
+                       gst_tag_list_foreach(tags, __mmplayer_print_tag_foreach, GUINT_TO_POINTER(MMPLAYER_TAG_INDENT));
+                       gst_tag_list_unref(tags);
+               }
        }
+}
 
-       /* wait for state transition */
-       ret = gst_element_get_state(element, &element_state, &element_pending_state, timeout * GST_SECOND);
-
-       if (ret == GST_STATE_CHANGE_FAILURE || (state != element_state)) {
-               LOGE("failed to change [%s] element state to [%s] within %d sec\n",
-                       GST_ELEMENT_NAME(element),
-                       gst_element_state_get_name(state), timeout);
-
-               LOGE(" [%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;
-       }
-
-       LOGD("[%s] element state has changed\n", GST_ELEMENT_NAME(element));
-
-       MMPLAYER_FLEAVE();
-
-       return MM_ERROR_NONE;
-}
-
-void
+static void
 __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
 {
-       mm_player_t* player = (mm_player_t*)(data);
+       mmplayer_t *player = (mmplayer_t *)(data);
 
        MMPLAYER_RETURN_IF_FAIL(player);
        MMPLAYER_RETURN_IF_FAIL(msg && GST_IS_MESSAGE(msg));
 
        switch (GST_MESSAGE_TYPE(msg)) {
        case GST_MESSAGE_UNKNOWN:
-               LOGD("unknown message received\n");
+               LOGD("unknown message received");
                break;
 
        case GST_MESSAGE_EOS:
@@ -2076,18 +2011,19 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
                break;
 
        case GST_MESSAGE_ERROR:
+               _mmplayer_set_reconfigure_state(player, FALSE);
                __mmplayer_gst_handle_error_message(player, msg);
                break;
 
        case GST_MESSAGE_WARNING:
                {
-                       chardebug = NULL;
-                       GErrorerror = NULL;
+                       char *debug = NULL;
+                       GError *error = NULL;
 
                        gst_message_parse_warning(msg, &error, &debug);
 
-                       LOGD("warning : %s\n", error->message);
-                       LOGD("debug : %s\n", debug);
+                       LOGD("warning : %s", error->message);
+                       LOGD("debug : %s", debug);
 
                        MMPLAYER_POST_MSG(player, MM_MESSAGE_WARNING, NULL);
 
@@ -2098,9 +2034,9 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
 
        case GST_MESSAGE_TAG:
                {
-                       LOGD("GST_MESSAGE_TAG\n");
+                       LOGD("GST_MESSAGE_TAG");
                        if (!__mmplayer_gst_extract_tag_from_msg(player, msg))
-                               LOGW("failed to extract tags from gstmessage\n");
+                               LOGW("failed to extract tags from gstmessage");
                }
                break;
 
@@ -2118,7 +2054,7 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
                                gboolean need_new_clock = FALSE;
 
                                gst_message_parse_clock_lost(msg, &clock);
-                               LOGD("GST_MESSAGE_CLOCK_LOST : %s\n", (clock ? GST_OBJECT_NAME(clock) : "NULL"));
+                               LOGD("GST_MESSAGE_CLOCK_LOST : %s", (clock ? GST_OBJECT_NAME(clock) : "NULL"));
 
                                if (!player->videodec_linked)
                                        need_new_clock = TRUE;
@@ -2126,9 +2062,9 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
                                        need_new_clock = TRUE;
 
                                if (need_new_clock) {
-                                       LOGD("Provide clock is TRUE, do pause->resume\n");
-                                       __mmplayer_gst_pause(player, FALSE);
-                                       __mmplayer_gst_resume(player, FALSE);
+                                       LOGD("Provide clock is TRUE, do pause->resume");
+                                       _mmplayer_gst_pause(player, FALSE);
+                                       _mmplayer_gst_resume(player, FALSE);
                                }
                        }
                        break;
@@ -2137,7 +2073,7 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
                        {
                                GstClock *clock = NULL;
                                gst_message_parse_new_clock(msg, &clock);
-                               LOGD("GST_MESSAGE_NEW_CLOCK : %s\n", (clock ? GST_OBJECT_NAME(clock) : "NULL"));
+                               LOGD("GST_MESSAGE_NEW_CLOCK : %s", (clock ? GST_OBJECT_NAME(clock) : "NULL"));
                        }
                        break;
 
@@ -2147,37 +2083,74 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
 
        case GST_MESSAGE_DURATION_CHANGED:
                {
-                       LOGD("GST_MESSAGE_DURATION_CHANGED\n");
+                       LOGD("GST_MESSAGE_DURATION_CHANGED");
                        if (!__mmplayer_gst_handle_duration(player, msg))
                                LOGW("failed to update duration");
                }
                break;
 
        case GST_MESSAGE_ASYNC_START:
-                       LOGD("GST_MESSAGE_ASYNC_START : %s\n", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
+                       LOGD("GST_MESSAGE_ASYNC_START : %s", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
                break;
 
        case GST_MESSAGE_ASYNC_DONE:
                __mmplayer_gst_handle_async_done_message(player, msg);
                break;
-
-       #if 0 /* delete unnecessary logs */
-       case GST_MESSAGE_REQUEST_STATE:         LOGD("GST_MESSAGE_REQUEST_STATE\n"); break;
-       case GST_MESSAGE_STEP_START:            LOGD("GST_MESSAGE_STEP_START\n"); break;
-       case GST_MESSAGE_QOS:                           LOGD("GST_MESSAGE_QOS\n"); break;
-       case GST_MESSAGE_PROGRESS:                      LOGD("GST_MESSAGE_PROGRESS\n"); break;
-       case GST_MESSAGE_ANY:                           LOGD("GST_MESSAGE_ANY\n"); break;
-       case GST_MESSAGE_INFO:                          LOGD("GST_MESSAGE_STATE_DIRTY\n"); break;
-       case GST_MESSAGE_STATE_DIRTY:           LOGD("GST_MESSAGE_STATE_DIRTY\n"); break;
-       case GST_MESSAGE_STEP_DONE:                     LOGD("GST_MESSAGE_STEP_DONE\n"); break;
-       case GST_MESSAGE_CLOCK_PROVIDE:         LOGD("GST_MESSAGE_CLOCK_PROVIDE\n"); break;
-       case GST_MESSAGE_STRUCTURE_CHANGE:      LOGD("GST_MESSAGE_STRUCTURE_CHANGE\n"); break;
-       case GST_MESSAGE_STREAM_STATUS:         LOGD("GST_MESSAGE_STREAM_STATUS\n"); break;
-       case GST_MESSAGE_APPLICATION:           LOGD("GST_MESSAGE_APPLICATION\n"); break;
-       case GST_MESSAGE_SEGMENT_START:         LOGD("GST_MESSAGE_SEGMENT_START\n"); break;
-       case GST_MESSAGE_SEGMENT_DONE:          LOGD("GST_MESSAGE_SEGMENT_DONE\n"); break;
-       case GST_MESSAGE_LATENCY:                               LOGD("GST_MESSAGE_LATENCY\n"); break;
-       #endif
+       case GST_MESSAGE_STREAM_COLLECTION:
+       {
+               GstStreamCollection *collection = NULL;
+               LOGD("GST_MESSAGE_STREAM_COLLECTION : %s", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
+
+               gst_message_parse_stream_collection(msg, &collection);
+               if (collection) {
+                       __mmplayer_dump_collection(collection);
+                       if (player->collection && player->stream_notify_id) {
+                               g_signal_handler_disconnect(player->collection, player->stream_notify_id);
+                               player->stream_notify_id = 0;
+                       }
+                       gst_object_replace((GstObject **)&player->collection, (GstObject *)collection);
+                       if (player->collection) {
+                               player->stream_notify_id = g_signal_connect(player->collection, "stream-notify",
+                                                       (GCallback)__mmplayer_stream_notify_cb, player);
+                       }
+                       gst_object_unref(collection);
+               }
+       } break;
+       case GST_MESSAGE_STREAMS_SELECTED:
+       {
+               GstStreamCollection *collection = NULL;
+               LOGD("GST_MESSAGE_STREAMS_SELECTED : %s", GST_ELEMENT_NAME(GST_MESSAGE_SRC(msg)));
+
+               gst_message_parse_streams_selected(msg, &collection);
+               if (collection) {
+                       guint i = 0, len = 0;
+                       len = gst_message_streams_selected_get_size(msg);
+                       for (i = 0; i < len; i++) {
+                               GstStream *stream = gst_message_streams_selected_get_stream(msg, i);
+                               LOGD ("  Stream #%d : %s\n", i, gst_stream_get_stream_id(stream));
+                               gst_object_unref(stream);
+                       }
+                       gst_object_unref (collection);
+               }
+       } break;
+
+#ifdef __DEBUG__
+       case GST_MESSAGE_REQUEST_STATE:         LOGD("GST_MESSAGE_REQUEST_STATE"); break;
+       case GST_MESSAGE_STEP_START:            LOGD("GST_MESSAGE_STEP_START"); break;
+       case GST_MESSAGE_QOS:                           LOGD("GST_MESSAGE_QOS"); break;
+       case GST_MESSAGE_PROGRESS:                      LOGD("GST_MESSAGE_PROGRESS"); break;
+       case GST_MESSAGE_ANY:                           LOGD("GST_MESSAGE_ANY"); break;
+       case GST_MESSAGE_INFO:                          LOGD("GST_MESSAGE_STATE_DIRTY"); break;
+       case GST_MESSAGE_STATE_DIRTY:           LOGD("GST_MESSAGE_STATE_DIRTY"); break;
+       case GST_MESSAGE_STEP_DONE:                     LOGD("GST_MESSAGE_STEP_DONE"); break;
+       case GST_MESSAGE_CLOCK_PROVIDE:         LOGD("GST_MESSAGE_CLOCK_PROVIDE"); break;
+       case GST_MESSAGE_STRUCTURE_CHANGE:      LOGD("GST_MESSAGE_STRUCTURE_CHANGE"); break;
+       case GST_MESSAGE_STREAM_STATUS:         LOGD("GST_MESSAGE_STREAM_STATUS"); break;
+       case GST_MESSAGE_APPLICATION:           LOGD("GST_MESSAGE_APPLICATION"); break;
+       case GST_MESSAGE_SEGMENT_START:         LOGD("GST_MESSAGE_SEGMENT_START"); break;
+       case GST_MESSAGE_SEGMENT_DONE:          LOGD("GST_MESSAGE_SEGMENT_DONE"); break;
+       case GST_MESSAGE_LATENCY:                       LOGD("GST_MESSAGE_LATENCY"); break;
+#endif
 
        default:
                break;
@@ -2187,10 +2160,10 @@ __mmplayer_gst_bus_msg_callback(GstMessage *msg, gpointer data)
        return;
 }
 
-GstBusSyncReply
-__mmplayer_gst_bus_sync_callback(GstBus * bus, GstMessage * message, gpointer data)
+static GstBusSyncReply
+__mmplayer_gst_bus_sync_callback(GstBus *bus, GstMessage *message, gpointer data)
 {
-       mm_player_t *player = (mm_player_t *)data;
+       mmplayer_t *player = (mmplayer_t *)data;
        GstBusSyncReply reply = GST_BUS_DROP;
 
        if (!(player->pipeline && player->pipeline->mainbin)) {
@@ -2204,38 +2177,42 @@ __mmplayer_gst_bus_sync_callback(GstBus * bus, GstMessage * message, gpointer da
        }
 
        switch (GST_MESSAGE_TYPE(message)) {
-       case GST_MESSAGE_STATE_CHANGED:
-               /* post directly for fast launch */
-               if (player->sync_handler) {
-                       __mmplayer_gst_bus_msg_callback(message, player);
-                       reply = GST_BUS_DROP;
-               } else
-                       reply = GST_BUS_PASS;
-               break;
        case GST_MESSAGE_TAG:
                __mmplayer_gst_extract_tag_from_msg(player, message);
 
-               #if 0 // debug
+#ifdef __DEBUG__
                {
                        GstTagList *tags = NULL;
 
                        gst_message_parse_tag(message, &tags);
                        if (tags) {
-                               LOGE("TAGS received from element \"%s\".\n",
+                               LOGE("TAGS received from element \"%s\".",
                                GST_STR_NULL(GST_ELEMENT_NAME(GST_MESSAGE_SRC(message))));
 
                                gst_tag_list_foreach(tags, print_tag, NULL);
-                               gst_tag_list_free(tags);
+                               gst_tag_list_unref(tags);
                                tags = NULL;
                        }
                        break;
                }
-               #endif
+#endif
                break;
 
        case GST_MESSAGE_DURATION_CHANGED:
                __mmplayer_gst_handle_duration(player, message);
                break;
+       case GST_MESSAGE_ELEMENT:
+               {
+                       const gchar *klass = NULL;
+                       klass = gst_element_factory_get_metadata
+                               (gst_element_get_factory((GstElement *)message->src), GST_ELEMENT_METADATA_KLASS);
+                       if (!klass || !g_strrstr(klass, "Codec/Decoder")) {
+                               reply = GST_BUS_PASS;
+                               break;
+                       }
+                       __mmplayer_gst_handle_element_message(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.
@@ -2251,322 +2228,1628 @@ __mmplayer_gst_bus_sync_callback(GstBus * bus, GstMessage * message, gpointer da
        return reply;
 }
 
-int __mmplayer_gst_start(mm_player_t* player)
+static void
+__mmplayer_gst_appsrc_feed_data_mem(GstElement *element, guint size, gpointer user_data)
 {
-       int ret = MM_ERROR_NONE;
-       gboolean async = FALSE;
+       GstElement *appsrc = element;
+       mmplayer_input_buffer_t *buf = (mmplayer_input_buffer_t *)user_data;
+       GstBuffer *buffer = NULL;
+       GstFlowReturn ret = GST_FLOW_OK;
+       gint len = size;
 
-       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_IF_FAIL(element);
+       MMPLAYER_RETURN_IF_FAIL(buf);
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       buffer = gst_buffer_new();
 
-       /* 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 && !MMPLAYER_IS_STREAMING(player)) {
-               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PAUSED;
-               ret = __mmplayer_gst_pause(player, FALSE);
-               if (ret != MM_ERROR_NONE) {
-                       LOGE("failed to set state to PAUSED for pending seek");
-                       return ret;
-               }
+       if (buf->offset < 0 || buf->len < 0) {
+               LOGE("invalid buf info %d %d", buf->offset, buf->len);
+               return;
+       }
 
-               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PLAYING;
-               if (__mmplayer_gst_pending_seek(player) != MM_ERROR_NONE)
-                               LOGW("failed to seek pending postion. starting from the begin of content");
+       if (buf->offset >= buf->len) {
+               LOGD("call eos appsrc");
+               g_signal_emit_by_name(appsrc, "end-of-stream", &ret);
+               return;
        }
 
-       LOGD("current state before doing transition");
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
-       MMPLAYER_PRINT_STATE(player);
+       if (buf->len - buf->offset < size)
+               len = buf->len - buf->offset;
 
-       /* set pipeline state to PLAYING  */
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, MMPLAYER_STATE_CHANGE_TIMEOUT(player));
+       gst_buffer_insert_memory(buffer, -1, gst_memory_new_wrapped(0, (guint8 *)(buf->buf + buf->offset), len, 0, len, NULL, NULL));
+       GST_BUFFER_OFFSET(buffer) = (guint64)buf->offset;
+       GST_BUFFER_OFFSET_END(buffer) = (guint64)(buf->offset + len);
 
-       if (ret == MM_ERROR_NONE) {
-               MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
-       } else {
-               LOGE("failed to set state to PLAYING");
-               return ret;
-       }
+#ifdef __DEBUG__
+       LOGD("feed buffer %p, offset %u-%u length %u", buffer, buf->offset, (buf->offset+len), len);
+#endif
+       g_signal_emit_by_name(appsrc, "push-buffer", buffer, &ret);
 
-       /* generating debug info before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-start");
+       buf->offset += len;
+}
 
-       MMPLAYER_FLEAVE();
+static gboolean
+__mmplayer_gst_appsrc_seek_data_mem(GstElement *element, guint64 size, gpointer user_data)
+{
+       mmplayer_input_buffer_t *buf = (mmplayer_input_buffer_t *)user_data;
 
-       return ret;
+       MMPLAYER_RETURN_VAL_IF_FAIL(buf, FALSE);
+
+       buf->offset  = (int)size;
+
+       return TRUE;
 }
 
-int __mmplayer_gst_stop(mm_player_t* player)
+void
+__mmplayer_gst_appsrc_feed_data(GstElement *element, guint size, gpointer user_data)
 {
-       GstStateChangeReturn change_ret = GST_STATE_CHANGE_SUCCESS;
-       MMHandleType attrs = 0;
-       gboolean rewind = FALSE;
-       gint timeout = 0;
-       int ret = MM_ERROR_NONE;
+       mmplayer_t *player  = (mmplayer_t *)user_data;
+       mmplayer_stream_type_e stream_type = MM_PLAYER_STREAM_TYPE_DEFAULT;
+       MMMessageParamType msg_param = {0,};
+       guint64 current_level_bytes = 0;
 
-       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_IF_FAIL(player);
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       MMPLAYER_RETURN_VAL_IF_FAIL(player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       if (g_strrstr(GST_ELEMENT_NAME(element), "audio")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_AUDIO;
+       } else if (g_strrstr(GST_ELEMENT_NAME(element), "video")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_VIDEO;
+       } else {
+               LOGW("invalid feed-data signal from %s", GST_ELEMENT_NAME(element));
+               return;
+       }
 
-       LOGD("current state before doing transition");
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
-       MMPLAYER_PRINT_STATE(player);
+       g_object_get(G_OBJECT(element), "current-level-bytes", &current_level_bytes, NULL);
 
-       attrs = MMPLAYER_GET_ATTRS(player);
-       if (!attrs) {
-               LOGE("cannot get content attribute\n");
-               return MM_ERROR_PLAYER_INTERNAL;
-       }
+       LOGI("stream type: %d, level: %"G_GUINT64_FORMAT, stream_type, current_level_bytes);
 
-       /* Just set state to PAUESED and the rewind. it's usual player behavior. */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+       msg_param.union_type = MM_MSG_UNION_BUFFER_STATUS;
+       msg_param.buffer_status.stream_type = stream_type;
+       msg_param.buffer_status.status = MM_PLAYER_MEDIA_STREAM_BUFFER_UNDERRUN;
+       msg_param.buffer_status.bytes = current_level_bytes;
 
-       if ((!MMPLAYER_IS_STREAMING(player) && !MMPLAYER_IS_MS_BUFF_SRC(player)) ||
-               (player->streaming_type == STREAMING_SERVICE_VOD && player->videodec_linked))
-               rewind = TRUE;
+       MMPLAYER_POST_MSG(player, MM_MESSAGE_PUSH_BUFFER_STATUS, &msg_param);
+}
 
-       if (player->es_player_push_mode || MMPLAYER_IS_HTTP_PD(player)) {
-               /* disable the async state transition because there could be no data in the pipeline */
-               __mmplayer_gst_handle_async(player, FALSE, MMPLAYER_SINK_ALL);
-       }
+void
+__mmplayer_gst_appsrc_enough_data(GstElement *element, gpointer user_data)
+{
+       mmplayer_t *player  = (mmplayer_t *)user_data;
+       mmplayer_stream_type_e stream_type = MM_PLAYER_STREAM_TYPE_DEFAULT;
+       MMMessageParamType msg_param = {0,};
+       guint64 current_level_bytes = 0;
 
-       /* set gst state */
-       ret = __mmplayer_gst_set_state(player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, FALSE, timeout);
+       MMPLAYER_RETURN_IF_FAIL(player);
 
-       if (player->es_player_push_mode || MMPLAYER_IS_HTTP_PD(player)) {
-               /* enable the async state transition as default operation */
-               __mmplayer_gst_handle_async(player, TRUE, MMPLAYER_SINK_ALL);
+       if (g_strrstr(GST_ELEMENT_NAME(element), "audio")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_AUDIO;
+       } else if (g_strrstr(GST_ELEMENT_NAME(element), "video")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_VIDEO;
+       } else {
+               LOGW("invalid enough-data signal from %s", GST_ELEMENT_NAME(element));
+               return;
        }
 
-       /* return if set_state has failed */
-       if (ret != MM_ERROR_NONE) {
-               LOGE("failed to set state.\n");
-               return ret;
-       }
+       g_object_get(G_OBJECT(element), "current-level-bytes", &current_level_bytes, NULL);
 
-       /* rewind */
-       if (rewind) {
-               if (!__mmplayer_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)) {
-                       LOGW("failed to rewind\n");
-                       ret = MM_ERROR_PLAYER_SEEK;
-               }
-       }
+       LOGI("stream type: %d, level: %"G_GUINT64_FORMAT, stream_type, current_level_bytes);
 
-       /* initialize */
-       player->sent_bos = FALSE;
+       msg_param.union_type = MM_MSG_UNION_BUFFER_STATUS;
+       msg_param.buffer_status.stream_type = stream_type;
+       msg_param.buffer_status.status = MM_PLAYER_MEDIA_STREAM_BUFFER_OVERFLOW;
+       msg_param.buffer_status.bytes = current_level_bytes;
 
-       if (player->es_player_push_mode) //for cloudgame
-               timeout = 0;
+       MMPLAYER_POST_MSG(player, MM_MESSAGE_PUSH_BUFFER_STATUS, &msg_param);
+}
 
-       /* 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);
+gboolean
+__mmplayer_gst_appsrc_seek_data(GstElement *element, guint64 position, gpointer user_data)
+{
+       mmplayer_t *player  = (mmplayer_t *)user_data;
+       mmplayer_stream_type_e stream_type = MM_PLAYER_STREAM_TYPE_DEFAULT;
+       MMMessageParamType msg_param = {0,};
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, FALSE);
+
+       if (g_strrstr(GST_ELEMENT_NAME(element), "audio")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_AUDIO;
+       } else if (g_strrstr(GST_ELEMENT_NAME(element), "video")) {
+               stream_type = MM_PLAYER_STREAM_TYPE_VIDEO;
        } else {
-               LOGE("fail to stop player.\n");
-               ret = MM_ERROR_PLAYER_INTERNAL;
-               __mmplayer_dump_pipeline_state(player);
+               LOGW("invalid seek-data signal from %s", GST_ELEMENT_NAME(element));
+               return TRUE;
        }
 
-       /* generate dot file if enabled */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-stop");
+       LOGD("stream type: %d, pos: %"G_GUINT64_FORMAT, stream_type, position);
 
-       MMPLAYER_FLEAVE();
+       msg_param.union_type = MM_MSG_UNION_SEEK_DATA;
+       msg_param.seek_data.stream_type = stream_type;
+       msg_param.seek_data.offset = position;
 
-       return ret;
+       MMPLAYER_POST_MSG(player, MM_MESSAGE_PUSH_BUFFER_SEEK_DATA, &msg_param);
+
+       return TRUE;
 }
 
-int __mmplayer_gst_pause(mm_player_t* player, gboolean async)
+static gboolean
+__mmplayer_gst_create_es_decoder(mmplayer_t *player, mmplayer_stream_type_e type, GstPad *srcpad)
 {
-       int ret = MM_ERROR_NONE;
+#define MAX_LEN_NAME 20
 
-       MMPLAYER_FENTER();
+       gboolean ret = FALSE;
+       GstPad *sinkpad = NULL;
+       gchar *prefix = NULL;
+       gchar dec_name[MAX_LEN_NAME] = {0, };
+       main_element_id_e elem_id = MMPLAYER_M_NUM;
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       MMPLAYER_RETURN_VAL_IF_FAIL(player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       mmplayer_gst_element_t *mainbin = NULL;
+       GstElement *decodebin = NULL;
+       GstCaps *dec_caps = NULL;
 
-       LOGD("current state before doing transition");
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PAUSED;
-       MMPLAYER_PRINT_STATE(player);
+       MMPLAYER_FENTER();
 
-       /* set pipeline status to PAUSED */
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, async, MMPLAYER_STATE_CHANGE_TIMEOUT(player));
+       MMPLAYER_RETURN_VAL_IF_FAIL(player &&
+                                               player->pipeline &&
+                                               player->pipeline->mainbin, FALSE);
+       MMPLAYER_RETURN_VAL_IF_FAIL(srcpad, FALSE);
 
-       if (FALSE == async) {
-               if (ret != MM_ERROR_NONE) {
-                       GstMessage *msg = NULL;
-                       GTimer *timer = NULL;
-                       gdouble MAX_TIMEOUT_SEC = 3;
+       mainbin = player->pipeline->mainbin;
+       switch (type) {
+       case MM_PLAYER_STREAM_TYPE_AUDIO:
+               prefix = "audio";
+               elem_id = MMPLAYER_M_AUTOPLUG_A_DEC;
+       break;
+       case MM_PLAYER_STREAM_TYPE_VIDEO:
+               prefix = "video";
+               elem_id = MMPLAYER_M_AUTOPLUG_V_DEC;
+       break;
+       default:
+               LOGE("invalid type %d", type);
+               return FALSE;
+       }
 
-                       LOGE("failed to set state to PAUSED");
+       if (mainbin[elem_id].gst) {
+               LOGE("elem(%d) is already created", elem_id);
+               return FALSE;
+       }
 
-                       if (!player->bus_watcher) {
-                               LOGE("there is no bus msg thread. pipeline is shutting down.");
-                               return ret;
-                       }
+       snprintf(dec_name, sizeof(dec_name), "%s_decodebin", prefix);
 
-                       if (player->msg_posted) {
-                               LOGE("error msg is already posted.");
-                               return ret;
-                       }
+       /* create decodebin */
+       decodebin = gst_element_factory_make("decodebin", dec_name);
+       if (!decodebin) {
+               LOGE("failed to create %s", dec_name);
+               return FALSE;
+       }
 
-                       timer = g_timer_new();
-                       g_timer_start(timer);
+       mainbin[elem_id].id = elem_id;
+       mainbin[elem_id].gst = decodebin;
 
-                       GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst));
+       /* raw pad handling signal */
+       _mmplayer_add_signal_connection(player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                                                                               G_CALLBACK(_mmplayer_gst_decode_pad_added), (gpointer)player);
 
-                       do {
-                               msg = gst_bus_timed_pop(bus, 100 * GST_MSECOND);
-                               if (msg) {
-                                       if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_ERROR) {
-                                               GError *error = NULL;
+       /* This signal is emitted whenever decodebin finds a new stream. It is emitted
+       before looking for any elements that can handle that stream.*/
+       _mmplayer_add_signal_connection(player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-select",
+                                                                               G_CALLBACK(_mmplayer_gst_decode_autoplug_select), (gpointer)player);
 
-                                               /* parse error code */
-                                               gst_message_parse_error(msg, &error, NULL);
+       if (player->need_video_dec_sorting || player->need_audio_dec_sorting)
+               _mmplayer_add_signal_connection(player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-sort",
+                                                       G_CALLBACK(_mmplayer_gst_decode_autoplug_sort), (gpointer)player);
 
-                                               if (gst_structure_has_name(gst_message_get_structure(msg), "streaming_error")) {
-                                                       /* Note : the streaming error from the streaming source is handled
-                                                        *   using __mmplayer_handle_streaming_error.
-                                                        */
-                                                       __mmplayer_handle_streaming_error(player, msg);
+       /* This signal is emitted when a element is added to the bin.*/
+       _mmplayer_add_signal_connection(player, G_OBJECT(decodebin), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "element-added",
+                                                                               G_CALLBACK(_mmplayer_gst_element_added), (gpointer)player);
 
-                                               } else if (error) {
-                                                       LOGE("paring error posted from bus, domain : %s, code : %d", g_quark_to_string(error->domain), error->code);
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), decodebin)) {
+               LOGE("failed to add new decodebin");
+               return FALSE;
+       }
 
-                                                       if (error->domain == GST_STREAM_ERROR)
-                                                               ret = __mmplayer_gst_handle_stream_error(player, error, msg);
-                                                       else if (error->domain == GST_RESOURCE_ERROR)
-                                                               ret = __mmplayer_gst_handle_resource_error(player, error->code, NULL);
-                                                       else if (error->domain == GST_LIBRARY_ERROR)
-                                                               ret = __mmplayer_gst_handle_library_error(player, error->code);
-                                                       else if (error->domain == GST_CORE_ERROR)
-                                                               ret = __mmplayer_gst_handle_core_error(player, error->code);
+       dec_caps = gst_pad_query_caps(srcpad, NULL);
+       if (dec_caps) {
+#ifdef __DEBUG__
+               LOGD("got pad %s:%s , dec_caps %" GST_PTR_FORMAT, GST_DEBUG_PAD_NAME(srcpad), dec_caps);
+#endif
+               g_object_set(G_OBJECT(decodebin), "sink-caps", dec_caps, NULL);
+               gst_caps_unref(dec_caps);
+       }
 
-                                                       g_error_free(error);
-                                               }
-                                               player->msg_posted = TRUE;
-                                       }
-                                       gst_message_unref(msg);
-                               }
-                       } while (!player->msg_posted && (g_timer_elapsed(timer, NULL) < MAX_TIMEOUT_SEC));
-                       /* clean */
-                       gst_object_unref(bus);
-                       g_timer_stop(timer);
-                       g_timer_destroy(timer);
+       sinkpad = gst_element_get_static_pad(decodebin, "sink");
 
-                       return ret;
+       if (!sinkpad || gst_pad_link(srcpad, sinkpad) != GST_PAD_LINK_OK) {
+               LOGE("failed to link [%s:%s] to decoder", GST_DEBUG_PAD_NAME(srcpad));
+               goto ERROR;
+       }
+       gst_object_unref(GST_OBJECT(sinkpad));
 
-               } else if ((!MMPLAYER_IS_RTSP_STREAMING(player)) && (!player->video_stream_cb) &&
-                                  (!player->pipeline->videobin) && (!player->pipeline->audiobin)) {
+       gst_element_sync_state_with_parent(decodebin);
+       MMPLAYER_FLEAVE();
+       return TRUE;
 
-                       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+ERROR:
+       if (sinkpad)
+               gst_object_unref(GST_OBJECT(sinkpad));
 
-               } else {
-                       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PAUSED);
-               }
+       if (mainbin[elem_id].gst) {
+               gst_element_set_state(mainbin[elem_id].gst, GST_STATE_NULL);
+               gst_bin_remove(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[elem_id].gst);
+               gst_object_unref(mainbin[elem_id].gst);
+               mainbin[elem_id].gst = NULL;
        }
 
-       /* generate dot file before returning error */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-pause");
-
        MMPLAYER_FLEAVE();
-
        return ret;
 }
 
-int __mmplayer_gst_resume(mm_player_t* player, gboolean async)
+static gboolean
+__mmplayer_gst_create_es_path(mmplayer_t *player, mmplayer_stream_type_e type, GstCaps *caps)
 {
-       int ret = MM_ERROR_NONE;
-       gint timeout = 0;
+#define MAX_LEN_NAME 20
+       mmplayer_gst_element_t *mainbin = NULL;
+       gchar *prefix = NULL;
+       main_element_id_e src_id = MMPLAYER_M_NUM, queue_id = MMPLAYER_M_NUM;
 
-       MMPLAYER_FENTER();
+       gchar src_name[MAX_LEN_NAME] = {0, }, queue_name[MAX_LEN_NAME] = {0, };
+       GstElement *src = NULL, *queue = NULL;
+       GstPad *srcpad = NULL;
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline,
-               MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, FALSE);
 
-       LOGD("current state before doing transition");
-       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
-       MMPLAYER_PRINT_STATE(player);
+       mainbin = player->pipeline->mainbin;
 
-       if (async)
-               LOGD("do async state transition to PLAYING");
+       LOGD("type(%d) path is creating", type);
+       switch (type) {
+       case MM_PLAYER_STREAM_TYPE_AUDIO:
+               prefix = "audio";
+               if (mainbin[MMPLAYER_M_SRC].gst)
+                       src_id = MMPLAYER_M_2ND_SRC;
+               else
+                       src_id = MMPLAYER_M_SRC;
+               queue_id = MMPLAYER_M_A_BUFFER;
+       break;
+       case MM_PLAYER_STREAM_TYPE_VIDEO:
+               prefix = "video";
+               src_id = MMPLAYER_M_SRC;
+               queue_id = MMPLAYER_M_V_BUFFER;
+       break;
+       case MM_PLAYER_STREAM_TYPE_TEXT:
+               prefix = "subtitle";
+               src_id = MMPLAYER_M_SUBSRC;
+               queue_id = MMPLAYER_M_S_BUFFER;
+       break;
+       default:
+               LOGE("invalid type %d", type);
+               return FALSE;
+       }
 
-       /* set pipeline state to PLAYING */
-       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+       snprintf(src_name, sizeof(src_name), "%s_appsrc", prefix);
+       snprintf(queue_name, sizeof(queue_name), "%s_queue", prefix);
 
-       ret = __mmplayer_gst_set_state(player,
-               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, timeout);
-       if (ret != MM_ERROR_NONE) {
-               LOGE("failed to set state to PLAYING");
-               goto EXIT;
-       } else {
-               if (async == FALSE)
-                       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
+       /* create source */
+       src = gst_element_factory_make("appsrc", src_name);
+       if (!src) {
+               LOGF("failed to create %s", src_name);
+               goto ERROR;
        }
 
-EXIT:
-       /* generate dot file */
-       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-resume");
+       mainbin[src_id].id = src_id;
+       mainbin[src_id].gst = src;
 
-       MMPLAYER_FLEAVE();
+       g_object_set(G_OBJECT(src), "format", GST_FORMAT_TIME,
+                                                               "caps", caps, NULL);
 
-       return ret;
-}
+       /* size of many video frames are larger than default blocksize as 4096 */
+       if (type == MM_PLAYER_STREAM_TYPE_VIDEO)
+               g_object_set(G_OBJECT(src), "blocksize", (guint)1048576, NULL);
 
-/* sending event to one of sinkelements */
-gboolean
-__mmplayer_gst_send_event_to_sink(mm_player_t* player, GstEvent* event)
-{
-       GstEvent * event2 = NULL;
-       GList *sinks = NULL;
-       gboolean res = FALSE;
-       MMPLAYER_FENTER();
+       if (player->media_stream_buffer_max_size[type] > 0)
+               g_object_set(G_OBJECT(src), "max-bytes", player->media_stream_buffer_max_size[type], NULL);
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(player, FALSE);
-       MMPLAYER_RETURN_VAL_IF_FAIL(event, FALSE);
+       if (player->media_stream_buffer_min_percent[type] > 0)
+               g_object_set(G_OBJECT(src), "min-percent", player->media_stream_buffer_min_percent[type], NULL);
 
-       /* While adding subtitles in live feeds seek is getting called.
-          Adding defensive check in framework layer.*/
-       if (GST_EVENT_TYPE(event) == GST_EVENT_SEEK) {
-               if (MMPLAYER_IS_LIVE_STREAMING(player)) {
-                       LOGE("Should not send seek event during live playback");
-                       return TRUE;
-               }
-       }
+       /*Fix Seek External Demuxer: set audio and video appsrc as seekable */
+       gst_app_src_set_stream_type((GstAppSrc*)G_OBJECT(src), GST_APP_STREAM_TYPE_SEEKABLE);
 
-       if (player->play_subtitle)
-               event2 = gst_event_copy((const GstEvent *)event);
+       _mmplayer_add_signal_connection(player, G_OBJECT(src), MM_PLAYER_SIGNAL_TYPE_OTHERS, "seek-data",
+                                                                                       G_CALLBACK(__mmplayer_gst_appsrc_seek_data), (gpointer)player);
+       _mmplayer_add_signal_connection(player, G_OBJECT(src), MM_PLAYER_SIGNAL_TYPE_OTHERS, "need-data",
+                                                                                       G_CALLBACK(__mmplayer_gst_appsrc_feed_data), (gpointer)player);
+       _mmplayer_add_signal_connection(player, G_OBJECT(src), MM_PLAYER_SIGNAL_TYPE_OTHERS, "enough-data",
+                                                                                       G_CALLBACK(__mmplayer_gst_appsrc_enough_data), (gpointer)player);
 
-       sinks = player->sink_elements;
-       while (sinks) {
-               GstElement *sink = GST_ELEMENT_CAST(sinks->data);
+       /* create queue */
+       queue = gst_element_factory_make("queue2", queue_name);
+       if (!queue) {
+               LOGE("failed to create %s", queue_name);
+               goto ERROR;
+       }
+       g_object_set(G_OBJECT(queue), "max-size-buffers", 2, NULL);
 
-               if (GST_IS_ELEMENT(sink)) {
-                       /* keep ref to the event */
-                       gst_event_ref(event);
+       mainbin[queue_id].id = queue_id;
+       mainbin[queue_id].gst = queue;
 
-                       if ((res = gst_element_send_event(sink, event))) {
-                               LOGD("sending event[%s] to sink element [%s] success!\n",
-                                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink));
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[src_id].gst)) {
+               LOGE("failed to add src");
+               goto ERROR;
+       }
 
-                               /* rtsp case, asyn_done is not called after seek during pause state */
-                               if (MMPLAYER_IS_RTSP_STREAMING(player)) {
-                                       if (GST_EVENT_TYPE(event) == GST_EVENT_SEEK) {
-                                               if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PAUSED) {
-                                                       LOGD("RTSP seek completed, after pause state..\n");
-                                                       player->seek_state = MMPLAYER_SEEK_NONE;
-                                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
-                                               }
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[queue_id].gst)) {
+               LOGE("failed to add queue");
+               goto ERROR;
+       }
 
-                                       }
-                               }
+       if (!gst_element_link(mainbin[src_id].gst, mainbin[queue_id].gst)) {
+               LOGE("failed to link src and queue");
+               goto ERROR;
+       }
+
+       /* create decoder */
+       srcpad = gst_element_get_static_pad(mainbin[queue_id].gst, "src");
+       if (!srcpad) {
+               LOGE("failed to get srcpad of queue");
+               goto ERROR;
+       }
+
+       if (type == MM_PLAYER_STREAM_TYPE_TEXT) {
+               _mmplayer_gst_create_decoder(player, srcpad, caps);
+       } else {
+               if (!__mmplayer_gst_create_es_decoder(player, type, srcpad)) {
+                       LOGE("failed to create decoder");
+                       gst_object_unref(GST_OBJECT(srcpad));
+                       goto ERROR;
+               }
+       }
+       gst_object_unref(GST_OBJECT(srcpad));
+       return TRUE;
+
+ERROR:
+       if (mainbin[src_id].gst) {
+               gst_element_set_state(mainbin[src_id].gst, GST_STATE_NULL);
+               gst_bin_remove(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[src_id].gst);
+               gst_object_unref(mainbin[src_id].gst);
+               mainbin[src_id].gst = NULL;
+       }
+
+       if (mainbin[queue_id].gst) {
+               gst_element_set_state(mainbin[queue_id].gst, GST_STATE_NULL);
+               gst_bin_remove(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[queue_id].gst);
+               gst_object_unref(mainbin[queue_id].gst);
+               mainbin[queue_id].gst = NULL;
+       }
+
+       return FALSE;
+}
+
+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;
+
+       mmplayer_t *player = (mmplayer_t *)data;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_IF_FAIL(element && pad);
+       MMPLAYER_RETURN_IF_FAIL(player &&
+                                       player->pipeline &&
+                                       player->pipeline->mainbin);
+
+       /* 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++;
+       LOGD("stream count inc : %d", player->num_dynamic_pad);
+
+       caps = gst_pad_query_caps(pad, NULL);
+       MMPLAYER_CHECK_NULL(caps);
+
+       str = gst_caps_get_structure(caps, 0);
+       name = gst_structure_get_string(str, "media");
+       if (!name) {
+               LOGE("cannot get mimetype from structure.");
+               goto ERROR;
+       }
+
+       if (strstr(name, "video")) {
+               gint stype = 0;
+               mm_attrs_get_int_by_name(player->attrs, "display_surface_type", &stype);
+
+               if ((stype == MM_DISPLAY_SURFACE_NULL) && (!player->set_mode.video_export)) {
+                       if (player->v_stream_caps) {
+                               gst_caps_unref(player->v_stream_caps);
+                               player->v_stream_caps = NULL;
+                       }
+
+                       new_element = gst_element_factory_make("fakesink", NULL);
+                       player->num_dynamic_pad--;
+                       goto NEW_ELEMENT;
+               }
+       }
+
+       if (!_mmplayer_gst_create_decoder(player, pad, caps)) {
+               LOGE("failed to autoplug for caps");
+               goto ERROR;
+       }
+
+       gst_caps_unref(caps);
+       caps = NULL;
+
+NEW_ELEMENT:
+
+       /* execute new_element if created*/
+       if (new_element) {
+               LOGD("adding new element to pipeline");
+
+               /* 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)) {
+                       LOGE("failed to add autoplug element to bin");
+                       goto ERROR;
+               }
+
+               /* get pad from element */
+               sinkpad = gst_element_get_static_pad(GST_ELEMENT(new_element), "sink");
+               if (!sinkpad) {
+                       LOGE("failed to get sinkpad from autoplug element");
+                       goto ERROR;
+               }
+
+               /* link it */
+               if (GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad)) {
+                       LOGE("failed to link autoplug element");
+                       goto ERROR;
+               }
+
+               gst_object_unref(sinkpad);
+               sinkpad = NULL;
+
+               /* run. setting PLAYING here since streaming source is live source */
+               MMPLAYER_ELEMENT_SET_STATE(new_element, GST_STATE_PLAYING);
+       }
+
+       if (caps)
+               gst_caps_unref(caps);
+
+       MMPLAYER_FLEAVE();
+
+       return;
+
+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));
+
+       if (sinkpad)
+               gst_object_unref(GST_OBJECT(sinkpad));
+
+       if (caps)
+               gst_caps_unref(caps);
+
+       /* 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_rtp_no_more_pads(GstElement *element,  gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)data;
+
+       MMPLAYER_FENTER();
+
+       /* 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 no more pad will be added.
+        * So we can say this. if num_dynamic_pad is zero, it must be one of followings
+
+        * [1] audio and video will be dumped with filesink.
+        * [2] autoplugging is done by just using pad caps.
+        * [3] typefinding has happened 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) {
+               LOGD("it seems pad caps is directly used for autoplugging. removing fakesink now");
+
+               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;
+       }
+
+       /* create dot before error-return. for debugging */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-no-more-pad");
+
+       player->no_more_pad = TRUE;
+
+       MMPLAYER_FLEAVE();
+}
+
+static GstElement *
+__mmplayer_gst_make_rtsp_src(mmplayer_t *player)
+{
+       GstElement *element = NULL;
+       gchar *user_agent = NULL;
+       MMHandleType attrs = 0;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, NULL);
+
+       /* get profile attribute */
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("failed to get content attribute");
+               return NULL;
+       }
+
+       element = gst_element_factory_make("rtspsrc", "rtsp source");
+       if (!element) {
+               LOGE("failed to create rtspsrc element");
+               return NULL;
+       }
+
+       /* get attribute */
+       mm_attrs_get_string_by_name(attrs, "streaming_user_agent", &user_agent);
+
+       SECURE_LOGD("user_agent : %s", user_agent);
+
+       /* setting property to streaming source */
+       g_object_set(G_OBJECT(element), "location", player->profile.uri, NULL);
+       if (user_agent)
+               g_object_set(G_OBJECT(element), "user-agent", user_agent, NULL);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(element), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added",
+                                                                       G_CALLBACK(__mmplayer_gst_rtp_dynamic_pad), (gpointer)player);
+       _mmplayer_add_signal_connection(player, G_OBJECT(element), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads",
+                                                                       G_CALLBACK(__mmplayer_gst_rtp_no_more_pads), (gpointer)player);
+
+       MMPLAYER_FLEAVE();
+       return element;
+}
+
+static void __mmplayer_http_src_setup(GstElement *source, gpointer data)
+{
+#define HTTP_SOURCE_BLOCK_SIZE (64 * 1024)
+
+       mmplayer_t *player = (mmplayer_t *)data;
+       MMHandleType attrs = 0;
+       gchar *user_agent, *cookies, **cookie_list;
+       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+       user_agent = cookies = NULL;
+       cookie_list = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_IF_FAIL(player);
+
+       LOGD("source element %s", GST_ELEMENT_NAME(source));
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("failed to get content attribute");
+               return;
+       }
+
+       mm_attrs_get_string_by_name(attrs, "streaming_cookie", &cookies);
+       mm_attrs_get_string_by_name(attrs, "streaming_user_agent", &user_agent);
+
+       if (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT)
+               http_timeout = player->ini.http_timeout;
+
+       SECURE_LOGD("cookies : %s", cookies);
+       SECURE_LOGD("user_agent :  %s", user_agent);
+       LOGD("timeout : %d", http_timeout);
+
+       g_object_set(G_OBJECT(source), "timeout", http_timeout, "blocksize", (unsigned long)(HTTP_SOURCE_BLOCK_SIZE), NULL);
+
+       if ((cookie_list = _mmplayer_get_cookie_list((const char *)cookies))) {
+               g_object_set(G_OBJECT(source), "cookies", cookie_list, NULL);
+               g_strfreev(cookie_list);
+       }
+
+       if (user_agent)
+               g_object_set(G_OBJECT(source), "user-agent", user_agent, NULL);
+
+       MMPLAYER_FLEAVE();
+       return;
+}
+
+static void __mmplayer_rtsp_src_setup(GstElement *source, gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)data;
+       gchar *user_agent = NULL;
+       MMHandleType attrs = 0;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_IF_FAIL(player);
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("failed to get content attribute");
+               return;
+       }
+
+       mm_attrs_get_string_by_name(attrs, "streaming_user_agent", &user_agent);
+
+       SECURE_LOGD("user_agent : %s", user_agent);
+
+       if (user_agent)
+               g_object_set(G_OBJECT(source), "user-agent", user_agent, NULL);
+
+       MMPLAYER_FLEAVE();
+}
+
+static void
+__mmplayer_gst_found_source(GObject *object, GObject *orig, GParamSpec *pspec, gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)data;
+       GstElement *source = NULL;
+
+       MMPLAYER_FENTER();
+       LOGD("%s >> %s", GST_ELEMENT_NAME(object), pspec->name);
+
+       g_object_get(orig, pspec->name, &source, NULL);
+
+       player->pipeline->mainbin[MMPLAYER_M_SRC].id = MMPLAYER_M_SRC;
+       player->pipeline->mainbin[MMPLAYER_M_SRC].gst = source;
+
+       if (MMPLAYER_IS_HTTP_STREAMING(player)) {
+               __mmplayer_http_src_setup(source, data);
+       } else if (MMPLAYER_IS_RTSP_STREAMING(player)) {
+               __mmplayer_rtsp_src_setup(source, data);
+       } else if (MMPLAYER_IS_SMOOTH_STREAMING(player)) {
+               g_object_set(G_OBJECT(source), "timeout", DEFAULT_HTTP_TIMEOUT, NULL);
+       } else if (player->profile.uri_type == MM_PLAYER_URI_TYPE_MEM) {
+               g_object_set(source, "stream-type", GST_APP_STREAM_TYPE_RANDOM_ACCESS,
+                       "size", (gint64)player->profile.input_mem.len, "blocksize", 20480, NULL);
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(source), MM_PLAYER_SIGNAL_TYPE_OTHERS, "seek-data",
+                                               G_CALLBACK(__mmplayer_gst_appsrc_seek_data_mem), (gpointer)&player->profile.input_mem);
+               _mmplayer_add_signal_connection(player, G_OBJECT(source), MM_PLAYER_SIGNAL_TYPE_OTHERS, "need-data",
+                                               G_CALLBACK(__mmplayer_gst_appsrc_feed_data_mem), (gpointer)&player->profile.input_mem);
+       }
+       gst_object_unref (source);
+
+       MMPLAYER_FLEAVE();
+}
+
+static gint
+__mmplayer_gst_select_stream (GstElement * uridecodebin, GstStreamCollection * collection,
+    GstStream * stream, gpointer data)
+{
+       gint ret = 0; /* 1: select, 0: skip, -1: depends on decodebin */
+       GstStreamType stype = gst_stream_get_stream_type(stream);
+       mmplayer_t *player = (mmplayer_t *)data;
+       mmplayer_track_type_e type = MM_PLAYER_TRACK_TYPE_MAX;
+       GstCaps *caps = gst_stream_get_caps(stream);
+       gchar *caps_str = NULL;
+
+       LOGD("Stream type %s flags 0x%x",
+                       gst_stream_type_get_name(stype),
+                       gst_stream_get_stream_flags(stream));
+       LOGD("  ID: %s", gst_stream_get_stream_id(stream));
+
+       if (caps) {
+               caps_str = gst_caps_to_string(caps);
+               LOGD("  caps: %s", caps_str);
+       }
+
+       switch (stype) {
+       case GST_STREAM_TYPE_AUDIO:
+       {
+               GstStructure *caps_structure = NULL;
+               gint samplerate = 0;
+               gint channels = 0;
+
+               type = MM_PLAYER_TRACK_TYPE_AUDIO;
+
+               if (caps) {
+                       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) {
+                               LOGW("Skip corrupted audio stream");
+                               goto EXIT;
+                       }
+
+                       if (g_strrstr(caps_str, "mobile-xmf"))
+                               mm_player_set_attribute((MMHandleType)player, NULL,
+                                       "content_audio_codec", "mobile-xmf", strlen("mobile-xmf"), NULL);
+               }
+               break;
+       }
+       case GST_STREAM_TYPE_VIDEO:
+       {
+               GstStructure *caps_structure = NULL;
+               gint stype = 0;
+               gint width = 0;
+
+               type = MM_PLAYER_TRACK_TYPE_VIDEO;
+
+               /* do not support multi track video */
+               if (player->track[MM_PLAYER_TRACK_TYPE_VIDEO].total_track_num >= 1)
+                       goto EXIT;
+
+               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) &&
+                       (!player->set_mode.video_export)) {
+                       LOGD("no need video decoding, skip video stream");
+                       goto EXIT;
+               }
+
+               if (caps) {
+                       caps_structure = gst_caps_get_structure(caps, 0);
+                       gst_structure_get_int(caps_structure, "width", &width);
+
+                       if (width != 0) {
+                               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);
+                               MMPLAYER_LOG_GST_CAPS_TYPE(player->v_stream_caps);
+                       }
+               }
+               break;
+       }
+       case GST_STREAM_TYPE_TEXT:
+               type = MM_PLAYER_TRACK_TYPE_TEXT;
+               break;
+       default:
+               LOGW("Skip not supported stream type");
+               goto EXIT;
+       }
+
+       _mmplayer_track_update_stream(player, type, stream);
+
+       if (player->track[type].active_track_index == (player->track[type].total_track_num - 1)) {
+               LOGD("select this stream, active idx : %d", player->track[type].active_track_index);
+               if (type == MM_PLAYER_TRACK_TYPE_AUDIO)
+                       _mmplayer_set_audio_attrs(player, caps);
+               ret = 1;
+       }
+
+EXIT:
+       g_free(caps_str);
+       if (caps)
+               gst_caps_unref(caps);
+
+       LOGD("ret %d", ret);
+       return ret;
+}
+
+static gboolean
+__mmplayer_gst_decode_request_resource(GstElement * uridecodebin, GstStreamCollection * collection,
+    GstStream * stream, gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)data;
+       GstStreamType stype = gst_stream_get_stream_type(stream);
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, FALSE);
+
+       LOGD("stream type %s", gst_stream_type_get_name(stype));
+
+       /* public does not support audio hw decoder at the moment */
+
+       if (player->hw_resource[MMPLAYER_RESOURCE_TYPE_VIDEO_DECODER] != NULL) {
+               LOGW("video decoder resource is already acquired, skip it.");
+               return TRUE;
+       }
+
+       if (_mmplayer_acquire_hw_resource(player, MMPLAYER_RESOURCE_TYPE_VIDEO_DECODER) != MM_ERROR_NONE) {
+               LOGE("failed to acquire video decoder resource");
+               return FALSE;
+       }
+       player->interrupted_by_resource = FALSE;
+       MMPLAYER_FLEAVE();
+       return TRUE;
+}
+
+static void
+__mmplayer_gst_deep_element_added(GstElement *bin, GstBin *child, GstElement *element, gpointer data)
+{
+       gchar *factory_name = NULL;
+       mmplayer_t *player = (mmplayer_t *)data;
+       mmplayer_gst_element_t *mainbin = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_IF_FAIL(player && player->pipeline && player->pipeline->mainbin);
+
+       factory_name = GST_OBJECT_NAME(gst_element_get_factory(element));
+       mainbin = player->pipeline->mainbin;
+
+       LOGD("%s > %s > %s : %s", GST_ELEMENT_NAME(bin), GST_ELEMENT_NAME(child),
+               factory_name, GST_ELEMENT_NAME(element));
+
+       /* keep the first typefind reference only */
+       if (!mainbin[MMPLAYER_M_TYPEFIND].gst && g_strrstr(factory_name, "typefind")) {  // FIXME : not required for local playback+
+               mainbin[MMPLAYER_M_TYPEFIND].id = MMPLAYER_M_TYPEFIND;
+               mainbin[MMPLAYER_M_TYPEFIND].gst = element;
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(element),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "have-type", G_CALLBACK(_mmplayer_typefind_have_type), (gpointer)player);
+               LOGD("typefind reference is added");
+               return;
+       }
+
+       if ((MMPLAYER_IS_STREAMING(player)) && (!MMPLAYER_IS_RTSP_STREAMING(player))) {
+               /* update queue2 setting */
+               if (g_strrstr(factory_name, "queue2") && (!mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst)) {
+                       gint64 dur_bytes = 0L;
+                       muxed_buffer_type_e type = MUXED_BUFFER_TYPE_MEM_QUEUE;
+
+                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].id = MMPLAYER_M_MUXED_S_BUFFER;
+                       mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst = element;
+
+                       if (!gst_element_query_duration(mainbin[MMPLAYER_M_SRC].gst, GST_FORMAT_BYTES, &dur_bytes))
+                               LOGW("failed to get duration from source %s", GST_ELEMENT_NAME(mainbin[MMPLAYER_M_SRC].gst));
+
+                       LOGD("type %s, dur_bytes = %"G_GINT64_FORMAT, player->type, dur_bytes);
+                       /* NOTE : in case of ts streaming, player could not get the correct duration info *
+                        *                skip the pull mode(file or ring buffering) setting. */
+                       if (dur_bytes > 0) {
+                               if (!(__mmplayer_is_mpegts_type(player->type) || __mmplayer_is_hls_type(player->type)
+                                       || __mmplayer_is_mp3_type(player->type))) {
+                                       type = MUXED_BUFFER_TYPE_MEM_RING_BUFFER;
+                                       player->streamer->ring_buffer_size = player->ini.http_ring_buffer_size;
+                               }
+                       } else {
+                               dur_bytes = 0;
+                       }
+
+                       _mm_player_streaming_set_queue2(player->streamer,
+                                                                                       element,
+                                                                                       FALSE,
+                                                                                       type,
+                                                                                       (guint64)dur_bytes); /* no meaning at the moment */
+                       return;
+               }
+
+               /* update mq setting */
+               if (g_strrstr(factory_name, "parsebin") && (!mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst)) {
+                       GstIterator *iter = NULL;
+                       GValue item = {0, };
+                       GstElement *ch_element = NULL;
+                       GstElementFactory *ch_factory = NULL;
+
+                       iter = gst_bin_iterate_recurse(child);
+                       if (iter != NULL) {
+                               while (gst_iterator_next(iter, &item) == GST_ITERATOR_OK) {
+                                       ch_element = g_value_get_object(&item);
+                                       ch_factory = gst_element_get_factory(ch_element);
+                                       LOGD("children factory %s", GST_OBJECT_NAME(ch_factory));
+                                       if (g_strrstr(GST_OBJECT_NAME(ch_factory), "multiqueue")) {
+                                               LOGD("get multiqueue");
+                                               player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].id = MMPLAYER_M_DEMUXED_S_BUFFER;
+                                               player->pipeline->mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst = ch_element;
+
+                                               /* in case of multiqueue, max bytes size is defined with fixed value in mm_player_streaming.h */
+                                               _mm_player_streaming_set_multiqueue(player->streamer, ch_element);
+                                               g_value_reset(&item);
+                                               break;
+                                       }
+                                       g_value_reset(&item);
+                               }
+                               gst_iterator_free(iter);
+                       }
+               }
+       }
+
+       if (g_strrstr(factory_name, "parsebin")) {
+               int video_codec_type = 0;
+               int audio_codec_type = 0;
+
+               g_object_set(G_OBJECT(child), "message-forward", TRUE, NULL);
+               g_object_set(G_OBJECT(element), "message-forward", TRUE, NULL);
+               if (player->type_caps &&
+                       !MMPLAYER_IS_HTTP_LIVE_STREAMING(player) &&
+                       !MMPLAYER_IS_DASH_STREAMING(player))
+                       g_object_set(G_OBJECT(element), "sink-caps", player->type_caps, NULL);
+
+               mm_attrs_get_int_by_name(player->attrs, MM_PLAYER_VIDEO_CODEC_TYPE, &video_codec_type);
+               mm_attrs_get_int_by_name(player->attrs, MM_PLAYER_AUDIO_CODEC_TYPE, &audio_codec_type);
+
+               /* CAUTION: if there is hw decoder, the rank value has to be higher than sw decoder
+                  and codec default type in ini has to be hw.
+                */
+               LOGD("set codec type v(%d) a(%d)", video_codec_type, audio_codec_type);
+               if (video_codec_type == MM_PLAYER_CODEC_TYPE_SW)
+                       g_object_set(G_OBJECT(child), "force-sw-decoders-for-video", TRUE, NULL);
+               if (audio_codec_type == MM_PLAYER_CODEC_TYPE_SW)
+                       g_object_set(G_OBJECT(child), "force-sw-decoders-for-audio", TRUE, NULL);
+
+               mainbin[MMPLAYER_M_AUTOPLUG_PARSEBIN].id = MMPLAYER_M_AUTOPLUG_PARSEBIN;
+               mainbin[MMPLAYER_M_AUTOPLUG_PARSEBIN].gst = element;
+               _mmplayer_add_signal_connection(player, G_OBJECT(element),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "unknown-type", G_CALLBACK(_mmplayer_gst_decode_unknown_type), (gpointer)player);
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(element),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-continue", G_CALLBACK(_mmplayer_gst_decode_autoplug_continue), (gpointer)player);
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(element),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "autoplug-select", G_CALLBACK(_mmplayer_gst_decode_autoplug_select), (gpointer)player);
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(child),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "request-resource", G_CALLBACK(__mmplayer_gst_decode_request_resource), (gpointer)player);
+
+       } else {
+               _mmplayer_gst_element_added((GstElement *)child, element, data);
+       }
+       return;
+}
+
+void
+__mmplayer_gst_deep_element_removed(GstElement *bin, GstBin *child, GstElement *element, gpointer data)
+{
+       LOGD("%s > %s > %s", GST_ELEMENT_NAME(bin), GST_ELEMENT_NAME(child), GST_ELEMENT_NAME(element));
+       return;
+}
+
+static GstElement *
+__mmplayer_gst_make_uridecodebin(mmplayer_t *player)
+{
+       GstElement *uridecodebin3 = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, NULL);
+
+       uridecodebin3 = gst_element_factory_make("uridecodebin3", "uridecodebin3");
+       if (!uridecodebin3) {
+               LOGE("failed to create uridecodebin3");
+               return NULL;
+       }
+
+       /* get attribute */
+       SECURE_LOGD("uri : %s", player->profile.uri);
+
+       /* setting property to streaming source */
+       g_object_set(G_OBJECT(uridecodebin3), "uri", player->profile.uri,
+                       "message-forward", TRUE,
+                       "buffer-size", DEFAULT_BUFFER_SIZE_BYTES, NULL);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "deep-notify::source", G_CALLBACK(__mmplayer_gst_found_source), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-added", G_CALLBACK(_mmplayer_gst_decode_pad_added), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "pad-removed", G_CALLBACK(_mmplayer_gst_decode_pad_removed), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "no-more-pads", G_CALLBACK(_mmplayer_gst_decode_no_more_pads), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "select-stream", G_CALLBACK(__mmplayer_gst_select_stream), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "about-to-finish", G_CALLBACK(_mmplayer_gst_about_to_finish), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "deep-element-added", G_CALLBACK(__mmplayer_gst_deep_element_added), (gpointer)player);
+
+       _mmplayer_add_signal_connection(player, G_OBJECT(uridecodebin3),
+               MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "deep-element-removed", G_CALLBACK(__mmplayer_gst_deep_element_removed), (gpointer)player);
+
+       if (MMPLAYER_URL_HAS_DASH_SUFFIX(player))
+               LOGW("[DASH] this is still experimental feature");
+
+       MMPLAYER_FLEAVE();
+       return uridecodebin3;
+}
+
+static GstElement *
+__mmplayer_gst_make_http_src(mmplayer_t *player)
+{
+#define MAX_RETRY_COUNT 10
+       GstElement *element = NULL;
+       MMHandleType attrs = 0;
+       gchar *user_agent, *cookies, **cookie_list;
+       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+
+       user_agent = cookies = NULL;
+       cookie_list = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, NULL);
+
+       /* get profile attribute */
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("failed to get content attribute");
+               return NULL;
+       }
+
+       LOGD("using http streaming source [%s]", player->ini.httpsrc_element);
+
+       element = gst_element_factory_make(player->ini.httpsrc_element, "http_streaming_source");
+       if (!element) {
+               LOGE("failed to create http streaming source element[%s]", player->ini.httpsrc_element);
+               return NULL;
+       }
+
+       /* get attribute */
+       mm_attrs_get_string_by_name(attrs, "streaming_cookie", &cookies);
+       mm_attrs_get_string_by_name(attrs, "streaming_user_agent", &user_agent);
+
+       if (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT)
+               http_timeout = player->ini.http_timeout;
+
+       /* get attribute */
+       SECURE_LOGD("location : %s", player->profile.uri);
+       SECURE_LOGD("cookies : %s", cookies);
+       SECURE_LOGD("user_agent :  %s", user_agent);
+       LOGD("timeout : %d", http_timeout);
+
+       /* setting property to streaming source */
+       g_object_set(G_OBJECT(element), "location", player->profile.uri,
+                               "timeout", http_timeout, "blocksize", (unsigned long)(64 * 1024),
+                               "retries", MAX_RETRY_COUNT, NULL);
+
+       /* parsing cookies */
+       if ((cookie_list = _mmplayer_get_cookie_list((const char *)cookies))) {
+               g_object_set(G_OBJECT(element), "cookies", cookie_list, NULL);
+               g_strfreev(cookie_list);
+       }
+
+       if (user_agent)
+               g_object_set(G_OBJECT(element), "user-agent", user_agent, NULL);
+
+       if (MMPLAYER_URL_HAS_DASH_SUFFIX(player))
+               LOGW("[DASH] this is still experimental feature");
+
+       MMPLAYER_FLEAVE();
+       return element;
+}
+
+static GstElement *
+__mmplayer_gst_make_file_src(mmplayer_t *player)
+{
+       GstElement *element = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, NULL);
+
+       LOGD("using filesrc for 'file://' handler");
+       if (!_mmplayer_get_storage_info(player->profile.uri, &player->storage_info[MMPLAYER_PATH_VOD])) {
+               LOGE("failed to get storage info");
+               return NULL;
+       }
+
+       element = gst_element_factory_make("filesrc", "source");
+       if (!element) {
+               LOGE("failed to create filesrc");
+               return NULL;
+       }
+
+       g_object_set(G_OBJECT(element), "location", (player->profile.uri) + 7, NULL); /* uri+7 -> remove "file:// */
+
+       MMPLAYER_FLEAVE();
+       return element;
+}
+
+static gboolean
+__mmplayer_gst_msg_push(GstBus *bus, GstMessage *msg, gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)data;
+
+       g_return_val_if_fail(player, FALSE);
+       g_return_val_if_fail(msg && GST_IS_MESSAGE(msg), FALSE);
+       gst_message_ref(msg);
+
+       g_mutex_lock(&player->bus_msg_q_lock);
+       g_queue_push_tail(player->bus_msg_q, msg);
+       g_mutex_unlock(&player->bus_msg_q_lock);
+
+       MMPLAYER_BUS_MSG_THREAD_LOCK(player);
+       MMPLAYER_BUS_MSG_THREAD_SIGNAL(player);
+       MMPLAYER_BUS_MSG_THREAD_UNLOCK(player);
+       return TRUE;
+}
+
+static gpointer __mmplayer_gst_bus_msg_thread(gpointer data)
+{
+       mmplayer_t *player = (mmplayer_t *)(data);
+       GstMessage *msg = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player &&
+                                               player->pipeline &&
+                                               player->pipeline->mainbin &&
+                                               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst,
+                                               NULL);
+
+       MMPLAYER_BUS_MSG_THREAD_LOCK(player);
+
+       LOGD("[handle: %p] gst bus msg thread will be started.", player);
+       while (!player->bus_msg_thread_exit) {
+               g_mutex_lock(&player->bus_msg_q_lock);
+               msg = g_queue_pop_head(player->bus_msg_q);
+               g_mutex_unlock(&player->bus_msg_q_lock);
+               if (msg == NULL) {
+                       MMPLAYER_BUS_MSG_THREAD_WAIT(player);
+                       continue;
+               }
+               MMPLAYER_BUS_MSG_THREAD_UNLOCK(player);
+               /* handle the gst msg */
+               __mmplayer_gst_bus_msg_callback(msg, player);
+               MMPLAYER_BUS_MSG_THREAD_LOCK(player);
+               gst_message_unref(msg);
+       }
+
+       MMPLAYER_BUS_MSG_THREAD_UNLOCK(player);
+       MMPLAYER_FLEAVE();
+
+       return NULL;
+}
+
+static int
+__mmplayer_gst_check_duration(mmplayer_t *player, gint64 position)
+{
+       gint64 dur_nsec = 0;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       if (MMPLAYER_IS_MS_BUFF_SRC(player))
+               return MM_ERROR_NONE;
+
+       /* NOTE : duration cannot be zero except live streaming.
+        *              Since some element could have some timing problem with querying duration, try again.
+        */
+       if (player->duration == 0) {
+               if (!gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_FORMAT_TIME, &dur_nsec)) {
+                       /* For RTSP Streaming , duration is not returned in READY state. So seek to the previous position does not work properly.
+                        * Added a patch to postpone the actual seek when state changes to PLAY. Sending a fake SEEK_COMPLETED event to finish the current request. */
+                       if ((MMPLAYER_IS_RTSP_STREAMING(player)) &&
+                               (_mmplayer_get_stream_service_type(player) == STREAMING_SERVICE_VOD)) {
+                               player->pending_seek.is_pending = true;
+                               player->pending_seek.pos = position;
+                               player->seek_state = MMPLAYER_SEEK_NONE;
+                               MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
+                               return MM_ERROR_PLAYER_NO_OP;
+                       } else {
+                               player->seek_state = MMPLAYER_SEEK_NONE;
+                               return MM_ERROR_PLAYER_SEEK;
+                       }
+               }
+               player->duration = dur_nsec;
+       }
+
+       if (player->duration > 0 && player->duration < position) {
+               LOGE("invalid pos %"G_GINT64_FORMAT", dur: %"G_GINT64_FORMAT, position, player->duration);
+               return MM_ERROR_INVALID_ARGUMENT;
+       }
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+}
+
+static gboolean
+__mmplayer_gst_check_seekable(mmplayer_t *player)
+{
+       GstQuery *query = NULL;
+       gboolean seekable = FALSE;
+
+       if (MMPLAYER_IS_MS_BUFF_SRC(player)) {
+               return TRUE;
+       }
+
+       query = gst_query_new_seeking(GST_FORMAT_TIME);
+       if (gst_element_query(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, query)) {
+               gst_query_parse_seeking(query, NULL, &seekable, NULL, NULL);
+               gst_query_unref(query);
+
+               if (!seekable) {
+                       LOGW("non-seekable content");
+                       player->seek_state = MMPLAYER_SEEK_NONE;
+                       return FALSE;
+               }
+       } else {
+               LOGW("failed to get seeking query");
+               gst_query_unref(query); /* keep seeking operation */
+       }
+
+       return TRUE;
+}
+
+int
+_mmplayer_gst_set_state(mmplayer_t *player, GstElement *element,  GstState state, gboolean async, gint timeout)
+{
+       GstState element_state = GST_STATE_VOID_PENDING;
+       GstState element_pending_state = GST_STATE_VOID_PENDING;
+       GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_RETURN_VAL_IF_FAIL(element, MM_ERROR_INVALID_ARGUMENT);
+
+       LOGD("setting [%s] element state to : %s", 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) {
+               LOGE("failed to set [%s] state", 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) {
+               LOGD("async state transition. not waiting for state complete.");
+               return MM_ERROR_NONE;
+       }
+
+       /* wait for state transition */
+       ret = gst_element_get_state(element, &element_state, &element_pending_state, timeout * GST_SECOND);
+       if (ret == GST_STATE_CHANGE_FAILURE || (state != element_state)) {
+               LOGE("failed to change [%s] element state to [%s] within %d sec",
+                       GST_ELEMENT_NAME(element),
+                       gst_element_state_get_name(state), timeout);
+
+               LOGE(" [%s] state : %s   pending : %s",
+                       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;
+       }
+
+       LOGD("[%s] element state has changed", GST_ELEMENT_NAME(element));
+
+       MMPLAYER_FLEAVE();
+
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_gst_start(mmplayer_t *player)
+{
+       int ret = MM_ERROR_NONE;
+       gboolean async = FALSE;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       /* 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 && !MMPLAYER_IS_STREAMING(player)) {
+               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PAUSED;
+               ret = _mmplayer_gst_pause(player, FALSE);
+               if (ret != MM_ERROR_NONE) {
+                       LOGE("failed to set state to PAUSED for pending seek");
+                       return ret;
+               }
+
+               MMPLAYER_TARGET_STATE(player) = MM_PLAYER_STATE_PLAYING;
+               if (__mmplayer_gst_pending_seek(player) != MM_ERROR_NONE)
+                               LOGW("failed to seek pending position. starting from the begin of content");
+       }
+
+       LOGD("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
+       MMPLAYER_PRINT_STATE(player);
+
+       /* set pipeline state to PLAYING  */
+       ret = _mmplayer_gst_set_state(player,
+               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PLAYING, async, MMPLAYER_STATE_CHANGE_TIMEOUT(player));
+       if (ret != MM_ERROR_NONE) {
+               LOGE("failed to set state to PLAYING");
+               return ret;
+       }
+
+       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
+
+       /* generating debug info before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-start");
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+_mmplayer_gst_stop(mmplayer_t *player)
+{
+       GstStateChangeReturn change_ret = GST_STATE_CHANGE_SUCCESS;
+       MMHandleType attrs = 0;
+       gboolean rewind = FALSE;
+       gint timeout = 0;
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_RETURN_VAL_IF_FAIL(player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       LOGD("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_READY;
+       MMPLAYER_PRINT_STATE(player);
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("cannot get content attribute");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       /* Just set state to PAUSED and the rewind. it's usual player behavior. */
+       timeout = MMPLAYER_STATE_CHANGE_TIMEOUT(player);
+
+       if ((!MMPLAYER_IS_STREAMING(player) && !MMPLAYER_IS_MS_BUFF_SRC(player)) ||
+               (player->streaming_type == STREAMING_SERVICE_VOD && player->videodec_linked))
+               rewind = TRUE;
+
+       if (player->es_player_push_mode)
+               /* disable the async state transition because there could be no data in the pipeline */
+               __mmplayer_gst_set_async(player, FALSE, MMPLAYER_SINK_ALL);
+
+       /* set gst state */
+       ret = _mmplayer_gst_set_state(player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, FALSE, timeout);
+
+       if (player->es_player_push_mode) {
+               /* enable the async state transition as default operation */
+               __mmplayer_gst_set_async(player, TRUE, MMPLAYER_SINK_ALL);
+       }
+
+       /* return if set_state has failed */
+       if (ret != MM_ERROR_NONE) {
+               LOGE("failed to set state.");
+               return ret;
+       }
+
+       /* rewind */
+       if (rewind) {
+               if (!_mmplayer_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)) {
+                       LOGW("failed to rewind");
+                       ret = MM_ERROR_PLAYER_SEEK;
+               }
+       }
+
+       /* initialize */
+       player->sent_bos = FALSE;
+
+       if (player->es_player_push_mode) //for cloudgame
+               timeout = 0;
+
+       /* 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 {
+               LOGE("fail to stop player.");
+               ret = MM_ERROR_PLAYER_INTERNAL;
+               _mmplayer_dump_pipeline_state(player);
+       }
+
+       /* generate dot file if enabled */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-stop");
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+_mmplayer_gst_pause(mmplayer_t *player, gboolean async)
+{
+       int ret = MM_ERROR_NONE;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_RETURN_VAL_IF_FAIL(player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       LOGD("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PAUSED;
+       MMPLAYER_PRINT_STATE(player);
+
+       /* set pipeline status to PAUSED */
+       ret = _mmplayer_gst_set_state(player,
+               player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_STATE_PAUSED, async, MMPLAYER_STATE_CHANGE_TIMEOUT(player));
+
+       if (async)
+               goto EXIT;
+
+       if (ret != MM_ERROR_NONE) {
+               GstMessage *msg = NULL;
+               GTimer *timer = NULL;
+               gdouble MAX_TIMEOUT_SEC = 3;
+
+               LOGE("failed to set state to PAUSED");
+
+               if (!player->bus_watcher) {
+                       LOGE("there is no bus msg thread. pipeline is shutting down.");
+                       return ret;
+               }
+
+               if (player->msg_posted) {
+                       LOGE("error msg is already posted.");
+                       return ret;
+               }
+
+               timer = g_timer_new();
+               g_timer_start(timer);
+
+               GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst));
+
+               do {
+                       msg = gst_bus_timed_pop(bus, 100 * GST_MSECOND);
+                       if (msg) {
+                               if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_ERROR) {
+                                       GError *error = NULL;
+
+                                       /* parse error code */
+                                       gst_message_parse_error(msg, &error, NULL);
+
+                                       if (gst_structure_has_name(gst_message_get_structure(msg), "streaming_error")) {
+                                               /* Note : the streaming error from the streaming source is handled
+                                                       *   using __mmplayer_handle_streaming_error.
+                                                       */
+                                               __mmplayer_handle_streaming_error(player, msg);
+
+                                       } else if (error) {
+                                               LOGE("paring error posted from bus, domain : %s, code : %d", g_quark_to_string(error->domain), error->code);
+
+                                               if (error->domain == GST_STREAM_ERROR)
+                                                       ret = __mmplayer_gst_handle_stream_error(player, error, msg);
+                                               else if (error->domain == GST_RESOURCE_ERROR)
+                                                       ret = __mmplayer_gst_handle_resource_error(player, error->code, NULL);
+                                               else if (error->domain == GST_LIBRARY_ERROR)
+                                                       ret = __mmplayer_gst_handle_library_error(player, error->code);
+                                               else if (error->domain == GST_CORE_ERROR)
+                                                       ret = __mmplayer_gst_handle_core_error(player, error->code);
+
+                                               g_error_free(error);
+                                       }
+                                       player->msg_posted = TRUE;
+                               }
+                               gst_message_unref(msg);
+                       }
+               } while (!player->msg_posted && (g_timer_elapsed(timer, NULL) < MAX_TIMEOUT_SEC));
+               /* clean */
+               gst_object_unref(bus);
+               g_timer_stop(timer);
+               g_timer_destroy(timer);
+
+               return ret;
+       }
+
+       if (MMPLAYER_USE_DECODEBIN(player)) {
+               if ((!MMPLAYER_IS_RTSP_STREAMING(player)) && (!player->video_decoded_cb) &&
+                       (!player->pipeline->videobin) && (!player->pipeline->audiobin))
+                       return MM_ERROR_PLAYER_CODEC_NOT_FOUND;
+       }
+
+       MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PAUSED);
+
+EXIT:
+       /* generate dot file before returning error */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-pause");
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+int
+_mmplayer_gst_resume(mmplayer_t *player, gboolean async)
+{
+       int ret = MM_ERROR_NONE;
+       gint timeout = 0;
+
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline,
+               MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       LOGD("current state before doing transition");
+       MMPLAYER_PENDING_STATE(player) = MM_PLAYER_STATE_PLAYING;
+       MMPLAYER_PRINT_STATE(player);
+
+       if (async)
+               LOGD("do async state transition to PLAYING");
+
+       /* 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) {
+               LOGE("failed to set state to PLAYING");
+               goto EXIT;
+       }
+
+       if (!async)
+               MMPLAYER_SET_STATE(player, MM_PLAYER_STATE_PLAYING);
+
+EXIT:
+       /* generate dot file */
+       MMPLAYER_GENERATE_DOT_IF_ENABLED(player, "pipeline-status-resume");
+
+       MMPLAYER_FLEAVE();
+
+       return ret;
+}
+
+/* sending event to one of sinkelements */
+gboolean
+_mmplayer_gst_send_event_to_sink(mmplayer_t *player, GstEvent *event)
+{
+       GstEvent *event2 = NULL;
+       GList *sinks = NULL;
+       gboolean res = FALSE;
+       MMPLAYER_FENTER();
+
+       MMPLAYER_RETURN_VAL_IF_FAIL(player, FALSE);
+       MMPLAYER_RETURN_VAL_IF_FAIL(event, FALSE);
+
+       /* While adding subtitles in live feeds seek is getting called.
+          Adding defensive check in framework layer.*/
+       if (GST_EVENT_TYPE(event) == GST_EVENT_SEEK) {
+               if (MMPLAYER_IS_LIVE_STREAMING(player)) {
+                       LOGE("Should not send seek event during live playback");
+                       return TRUE;
+               }
+       }
+
+       if (player->play_subtitle)
+               event2 = gst_event_copy((const GstEvent *)event);
+
+       sinks = player->sink_elements;
+       while (sinks) {
+               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))) {
+                               LOGD("sending event[%s] to sink element [%s] success!",
+                                       GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink));
+
+                               /* rtsp case, async_done is not called after seek during pause state */
+                               if (MMPLAYER_IS_RTSP_STREAMING(player)) {
+                                       if (GST_EVENT_TYPE(event) == GST_EVENT_SEEK) {
+                                               if (MMPLAYER_TARGET_STATE(player) == MM_PLAYER_STATE_PAUSED) {
+                                                       LOGD("RTSP seek completed, after pause state..");
+                                                       player->seek_state = MMPLAYER_SEEK_NONE;
+                                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
+                                               }
+
+                                       }
+                               }
 
                                if (MMPLAYER_IS_MS_BUFF_SRC(player)) {
                                        sinks = g_list_next(sinks);
@@ -2576,7 +3859,7 @@ __mmplayer_gst_send_event_to_sink(mm_player_t* player, GstEvent* event)
                                }
                        }
 
-                       LOGD("sending event[%s] to sink element [%s] failed. try with next one.\n",
+                       LOGD("sending event[%s] to sink element [%s] failed. try with next one.",
                                GST_EVENT_TYPE_NAME(event), GST_ELEMENT_NAME(sink));
                }
 
@@ -2584,9 +3867,9 @@ __mmplayer_gst_send_event_to_sink(mm_player_t* player, GstEvent* event)
        }
 
        /* Note : Textbin is not linked to the video or audio bin.
-        * It needs to send the event to the text sink seperatelly.
+        * It needs to send the event to the text sink seperately.
         */
-        if (player->play_subtitle && player->pipeline) {
+       if (player->play_subtitle && player->pipeline) {
                GstElement *text_sink = GST_ELEMENT_CAST(player->pipeline->textbin[MMPLAYER_T_FAKE_SINK].gst);
 
                if (GST_IS_ELEMENT(text_sink)) {
@@ -2594,15 +3877,15 @@ __mmplayer_gst_send_event_to_sink(mm_player_t* player, GstEvent* event)
                        gst_event_ref(event2);
 
                        if ((res = gst_element_send_event(text_sink, event2)))
-                               LOGD("sending event[%s] to subtitle sink element [%s] success!\n",
-                                       GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink));
+                               LOGD("sending event[%s] to subtitle sink element [%s] success!",
+                                               GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink));
                        else
-                               LOGE("sending event[%s] to subtitle sink element [%s] failed!\n",
-                                       GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink));
+                               LOGE("sending event[%s] to subtitle sink element [%s] failed!",
+                                               GST_EVENT_TYPE_NAME(event2), GST_ELEMENT_NAME(text_sink));
 
                        gst_event_unref(event2);
                }
-        }
+       }
 
        gst_event_unref(event);
 
@@ -2612,11 +3895,11 @@ __mmplayer_gst_send_event_to_sink(mm_player_t* player, GstEvent* event)
 }
 
 gboolean
-__mmplayer_gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
+_mmplayer_gst_seek(mmplayer_t *player, GstElement *element, gdouble rate,
                        GstFormat format, GstSeekFlags flags, GstSeekType cur_type,
                        gint64 cur, GstSeekType stop_type, gint64 stop)
 {
-       GstEventevent = NULL;
+       GstEvent *event = NULL;
        gboolean result = FALSE;
 
        MMPLAYER_FENTER();
@@ -2629,7 +3912,7 @@ __mmplayer_gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
        event = gst_event_new_seek(rate, format, flags, cur_type,
                cur, stop_type, stop);
 
-       result = __mmplayer_gst_send_event_to_sink(player, event);
+       result = _mmplayer_gst_send_event_to_sink(player, event);
 
        MMPLAYER_FLEAVE();
 
@@ -2637,189 +3920,92 @@ __mmplayer_gst_seek(mm_player_t* player, GstElement * element, gdouble rate,
 }
 
 int
-__mmplayer_gst_set_position(mm_player_t* player, int format, gint64 position, gboolean internal_called)
+_mmplayer_gst_set_position(mmplayer_t *player, gint64 position, gboolean internal_called)
 {
-       gint64 dur_nsec = 0;
-       gint64 pos_nsec = 0;
-       gboolean ret = TRUE;
-       gboolean accurated = FALSE;
-       GstSeekFlags seek_flags = GST_SEEK_FLAG_FLUSH;
-
-       MMPLAYER_FENTER();
-       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
-       MMPLAYER_RETURN_VAL_IF_FAIL(!MMPLAYER_IS_LIVE_STREAMING(player), MM_ERROR_PLAYER_NO_OP);
-
-       if (MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING
-               && MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED)
-               goto PENDING;
-
-       if (!MMPLAYER_IS_MS_BUFF_SRC(player)) {
-               /* 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) {
-                       if (!gst_element_query_duration(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_FORMAT_TIME, &dur_nsec)) {
-                               /* For RTSP Streaming , duration is not returned in READY state. So seek to the previous position does not work properly.
-                                * Added a patch to postpone the actual seek when state changes to PLAY. Sending a fake SEEK_COMPLETED event to finish the current request. */
-                               if ((MMPLAYER_IS_RTSP_STREAMING(player)) && (__mmplayer_get_stream_service_type(player) == STREAMING_SERVICE_VOD)) {
-                                       player->pending_seek.is_pending = TRUE;
-                                       player->pending_seek.format = format;
-                                       player->pending_seek.pos = position;
-                                       player->seek_state = MMPLAYER_SEEK_NONE;
-                                       MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
-                                       return MM_ERROR_NONE;
-                               } else {
-                                       goto SEEK_ERROR;
-                               }
-                       }
-                       player->duration = dur_nsec;
-               }
-       }
-       LOGD("playback rate: %f\n", player->playback_rate);
-
-       mm_attrs_get_int_by_name(player->attrs, "accurate_seek", &accurated);
-       if (accurated)
-               seek_flags |= GST_SEEK_FLAG_ACCURATE;
-       else
-               seek_flags |= GST_SEEK_FLAG_KEY_UNIT;
-
-       /* do seek */
-       switch (format) {
-       case MM_PLAYER_POS_FORMAT_TIME:
-       {
-               if (!MMPLAYER_IS_MS_BUFF_SRC(player)) {
-                       GstQuery *query = NULL;
-                       gboolean seekable = FALSE;
-
-                       /* check position is valid or not */
-                       if (position > player->duration)
-                               goto INVALID_ARGS;
-
-                       query = gst_query_new_seeking(GST_FORMAT_TIME);
-                       if (gst_element_query(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, query)) {
-                               gst_query_parse_seeking(query, NULL, &seekable, NULL, NULL);
-                               gst_query_unref(query);
-
-                               if (!seekable) {
-                                       LOGW("non-seekable content");
-                                       player->seek_state = MMPLAYER_SEEK_NONE;
-                                       return MM_ERROR_PLAYER_NO_OP;
-                               }
-                       } else {
-                               LOGW("failed to get seeking query");
-                               gst_query_unref(query); /* keep seeking operation */
-                       }
-
-                       LOGD("seeking to(%"G_GINT64_FORMAT") nsec, duration is %"G_GINT64_FORMAT" nsec\n", position, player->duration);
-
-                       /* For rtspsrc stack , npt-start value coming from server is used for finding the current position.
-                          But when a rtsp clip (especially from Youtube Desktop View) is paused and kept for sometime,npt-start is still increasing.
-                          This causes problem is position calculation during normal pause resume scenarios also.
-                          Currently during seek , we are sending the current position to rtspsrc module for position saving for later use. */
-                       if ((MMPLAYER_IS_RTSP_STREAMING(player)) &&
-                               (__mmplayer_get_stream_service_type(player) == STREAMING_SERVICE_VOD)) {
-                               if (!gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_FORMAT_TIME, &pos_nsec))
-                                       LOGW("getting current position failed in seek\n");
-
-                               player->last_position = pos_nsec;
-                               g_object_set(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "resume-position", player->last_position, NULL);
-                       }
-
-                       if (player->seek_state != MMPLAYER_SEEK_NONE) {
-                               LOGD("not completed seek");
-                               return MM_ERROR_PLAYER_DOING_SEEK;
-                       }
-               }
-
-               if (!internal_called)
-                       player->seek_state = MMPLAYER_SEEK_IN_PROGRESS;
+       int ret = MM_ERROR_NONE;
+       gint64 pos_nsec = 0;
+       gboolean accurate = FALSE;
+       GstSeekFlags seek_flags = GST_SEEK_FLAG_FLUSH;
 
-               if ((MMPLAYER_IS_HTTP_STREAMING(player)) && (!player->videodec_linked)) {
-                       gint64 cur_time = 0;
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline, MM_ERROR_PLAYER_NOT_INITIALIZED);
+       MMPLAYER_RETURN_VAL_IF_FAIL(!MMPLAYER_IS_LIVE_STREAMING(player), MM_ERROR_PLAYER_NO_OP);
 
-                       /* get current position */
-                       gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_FORMAT_TIME, &cur_time);
+       if ((MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PLAYING)
+               && (MMPLAYER_CURRENT_STATE(player) != MM_PLAYER_STATE_PAUSED))
+               goto PENDING;
 
-                       /* 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)
-                               __mmplayer_gst_send_event_to_sink(player, event);
+       ret = __mmplayer_gst_check_duration(player, position);
+       if (ret != MM_ERROR_NONE) {
+               LOGE("failed to check duration 0x%X", ret);
+               return (ret == MM_ERROR_PLAYER_NO_OP) ? MM_ERROR_NONE : ret;
+       }
 
-                       if (!MMPLAYER_IS_RTSP_STREAMING(player))
-                               __mmplayer_gst_pause(player, FALSE);
-               }
+       if (!__mmplayer_gst_check_seekable(player))
+               return MM_ERROR_PLAYER_NO_OP;
 
-               pos_nsec = position;
+       LOGD("seeking to(%"G_GINT64_FORMAT") nsec, rate: %f, dur: %"G_GINT64_FORMAT" nsec",
+                               position, player->playback_rate, player->duration);
 
-               /* rtsp streaming case, there is no sink after READY TO PAUSE state(no preroll state change).
-                       that's why set position through property. */
-               if ((MMPLAYER_IS_RTSP_STREAMING(player)) &&
-                       (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PAUSED) &&
-                       (MMPLAYER_PREV_STATE(player) == MM_PLAYER_STATE_READY) &&
-                       (!player->videodec_linked) && (!player->audiodec_linked)) {
+       /* For rtspsrc stack , npt-start value coming from server is used for finding the current position.
+          But when a rtsp clip (especially from Youtube Desktop View) is paused and kept for sometime,npt-start is still increasing.
+          This causes problem is position calculation during normal pause resume scenarios also.
+          Currently during seek , we are sending the current position to rtspsrc module for position saving for later use. */
+       if ((MMPLAYER_IS_RTSP_STREAMING(player)) &&
+               (_mmplayer_get_stream_service_type(player) == STREAMING_SERVICE_VOD)) {
+               if (!gst_element_query_position(player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, GST_FORMAT_TIME, &pos_nsec))
+                       LOGW("getting current position failed in seek");
 
-                       g_object_set(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "pending-start-position", pos_nsec, NULL);
-                       LOGD("[%s] set position =%"GST_TIME_FORMAT,
-                                       GST_ELEMENT_NAME(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), GST_TIME_ARGS(pos_nsec));
-                       player->seek_state = MMPLAYER_SEEK_NONE;
-                       MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
-               } else {
-                       ret = __mmplayer_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);
-               }
+               player->last_position = pos_nsec;
+               g_object_set(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "resume-position", player->last_position, NULL);
+       }
 
-               if (!ret) {
-                       LOGE("failed to set position.");
-                       goto SEEK_ERROR;
-               }
+       if (player->seek_state != MMPLAYER_SEEK_NONE) {
+               LOGD("not completed seek");
+               return MM_ERROR_PLAYER_DOING_SEEK;
        }
-       break;
 
-       case MM_PLAYER_POS_FORMAT_PERCENT:
-       {
-               LOGD("seeking to %"G_GINT64_FORMAT"%%", position);
+       if (!internal_called)
+               player->seek_state = MMPLAYER_SEEK_IN_PROGRESS;
 
-               if (player->seek_state != MMPLAYER_SEEK_NONE) {
-                       LOGD("not completed seek");
-                       return MM_ERROR_PLAYER_DOING_SEEK;
-               }
+       /* rtsp streaming case, there is no sink after READY TO PAUSE state(no preroll state change).
+               that's why set position through property. */
+       if ((MMPLAYER_IS_RTSP_STREAMING(player)) &&
+               (MMPLAYER_CURRENT_STATE(player) == MM_PLAYER_STATE_PAUSED) &&
+               (MMPLAYER_PREV_STATE(player) == MM_PLAYER_STATE_READY) &&
+               (!player->videodec_linked) && (!player->audiodec_linked)) {
+
+               LOGD("[%s] set position =%"GST_TIME_FORMAT,
+                               GST_ELEMENT_NAME(player->pipeline->mainbin[MMPLAYER_M_SRC].gst), GST_TIME_ARGS(position));
 
-               if (!internal_called)
-                       player->seek_state = MMPLAYER_SEEK_IN_PROGRESS;
+               g_object_set(player->pipeline->mainbin[MMPLAYER_M_SRC].gst, "pending-start-position", position, NULL);
+               player->seek_state = MMPLAYER_SEEK_NONE;
+               MMPLAYER_POST_MSG(player, MM_MESSAGE_SEEK_COMPLETED, NULL);
+       } else {
+               mm_attrs_get_int_by_name(player->attrs, "accurate_seek", &accurate);
+               if (accurate)
+                       seek_flags |= GST_SEEK_FLAG_ACCURATE;
+               else
+                       seek_flags |= GST_SEEK_FLAG_KEY_UNIT;
 
-               /* FIXIT : why don't we use 'GST_FORMAT_PERCENT' */
-               pos_nsec = (gint64)((position * player->duration) / 100);
-               ret = __mmplayer_gst_seek(player, player->pipeline->mainbin[MMPLAYER_M_PIPE].gst, player->playback_rate,
+               if (!_mmplayer_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) {
-                       LOGE("failed to set position. pos[%"G_GINT64_FORMAT"] dur[%"G_GINT64_FORMAT"] ", pos_nsec, player->duration);
+                                               GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) {
+                       LOGE("failed to set position");
                        goto SEEK_ERROR;
                }
        }
-       break;
-
-       default:
-               goto INVALID_ARGS;
-       }
 
        /* NOTE : store last seeking point to overcome some bad operation
-         *     (returning zero when getting current position) of some elements
-         */
-       player->last_position = pos_nsec;
+        *     (returning zero when getting current position) of some elements
+        */
+       player->last_position = position;
 
-       /* MSL should guarante playback rate when seek is selected during trick play of fast forward. */
+       /* MSL should guarantee 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, FALSE);
 
-       if ((!internal_called) &&
-           (player->streamer) && (player->streamer->buffering_state & MM_PLAYER_BUFFERING_IN_PROGRESS)) {
+       if ((player->streamer) && (player->streamer->buffering_state & MM_PLAYER_BUFFERING_IN_PROGRESS)) {
                LOGD("buffering should be reset after seeking");
                player->streamer->buffering_state = MM_PLAYER_BUFFERING_ABORT;
                player->streamer->buffering_percent = 100; /* after seeking, new per can be non-zero. */
@@ -2829,32 +4015,27 @@ __mmplayer_gst_set_position(mm_player_t* player, int format, gint64 position, gb
        return MM_ERROR_NONE;
 
 PENDING:
-       player->pending_seek.is_pending = TRUE;
-       player->pending_seek.format = format;
+       player->pending_seek.is_pending = true;
        player->pending_seek.pos = position;
 
-       LOGW("player current-state : %s, pending-state : %s, just preserve pending position(%"G_GINT64_FORMAT").\n",
+       LOGW("player current-state : %s, pending-state : %s, just preserve pending position(%"G_GINT64_FORMAT")",
                MMPLAYER_STATE_GET_NAME(MMPLAYER_CURRENT_STATE(player)),
                MMPLAYER_STATE_GET_NAME(MMPLAYER_PENDING_STATE(player)),
                player->pending_seek.pos);
 
        return MM_ERROR_NONE;
 
-INVALID_ARGS:
-       LOGE("invalid arguments, position: %"G_GINT64_FORMAT" dur : %"G_GINT64_FORMAT" format : %d \n", position, player->duration, format);
-       return MM_ERROR_INVALID_ARGUMENT;
-
 SEEK_ERROR:
        player->seek_state = MMPLAYER_SEEK_NONE;
        return MM_ERROR_PLAYER_SEEK;
 }
 
 int
-__mmplayer_gst_get_position(mm_player_t* player, int format, gint64* position)
+_mmplayer_gst_get_position(mmplayer_t *player, gint64 *position)
 {
 #define TRICKPLAY_OFFSET GST_MSECOND
 
-       MMPlayerStateType current_state = MM_PLAYER_STATE_NONE;
+       mmplayer_state_e current_state = MM_PLAYER_STATE_NONE;
        gint64 pos_nsec = 0;
        gboolean ret = TRUE;
 
@@ -2871,7 +4052,7 @@ __mmplayer_gst_get_position(mm_player_t* player, int format, gint64* position)
 
        /* 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
+        * and when failed to get position during seeking
         */
        if ((current_state == MM_PLAYER_STATE_PAUSED) || (!ret)) {
                LOGD("pos_nsec = %"GST_TIME_FORMAT" and ret = %d and state = %d", GST_TIME_ARGS(pos_nsec), ret, current_state);
@@ -2895,38 +4076,21 @@ __mmplayer_gst_get_position(mm_player_t* player, int format, gint64* position)
                player->last_position = pos_nsec;
        }
 
-       switch (format) {
-       case MM_PLAYER_POS_FORMAT_TIME:
-               *position = pos_nsec;
-               break;
-
-       case MM_PLAYER_POS_FORMAT_PERCENT:
-       {
-               if (player->duration <= 0) {
-                       LOGD("duration is [%"G_GINT64_FORMAT"], so returning position 0\n", player->duration);
-                       *position = 0;
-               } else {
-                       LOGD("position is [%"G_GINT64_FORMAT"] nsec , duration is [%"G_GINT64_FORMAT"] nsec", pos_nsec, player->duration);
-                       *position = (gint64)(pos_nsec * 100 / player->duration);
-               }
-               break;
-       }
-       default:
-               return MM_ERROR_PLAYER_INTERNAL;
-       }
+       *position = pos_nsec;
 
        return MM_ERROR_NONE;
 }
 
-int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned long* start_pos, unsigned long* stop_pos)
+int
+_mmplayer_gst_get_buffer_position(mmplayer_t *player, int *start_pos, int *end_pos)
 {
 #define STREAMING_IS_FINISHED  0
 #define BUFFERING_MAX_PER      100
 #define DEFAULT_PER_VALUE      -1
 #define CHECK_PERCENT_VALUE(a, min, max)(((a) > (min)) ? (((a) < (max)) ? (a) : (max)) : (min))
 
-       MMPlayerGstElement *mainbin = NULL;
-       gint start_per = DEFAULT_PER_VALUE, stop_per = DEFAULT_PER_VALUE;
+       mmplayer_gst_element_t *mainbin = NULL;
+       gint start_per = DEFAULT_PER_VALUE, end_per = DEFAULT_PER_VALUE;
        gint64 buffered_total = 0;
        gint64 position = 0;
        gint buffered_sec = -1;
@@ -2939,29 +4103,24 @@ int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned
                                                player->pipeline->mainbin,
                                                MM_ERROR_PLAYER_NOT_INITIALIZED);
 
-       MMPLAYER_RETURN_VAL_IF_FAIL(start_pos && stop_pos, MM_ERROR_INVALID_ARGUMENT);
+       MMPLAYER_RETURN_VAL_IF_FAIL(start_pos && end_pos, MM_ERROR_INVALID_ARGUMENT);
 
        *start_pos = 0;
-       *stop_pos = 0;
+       *end_pos = 0;
 
        if (!MMPLAYER_IS_HTTP_STREAMING(player)) {
                /* and rtsp is not ready yet. */
-               LOGW("it's only used for http streaming case.\n");
+               LOGW("it's only used for http streaming case");
                return MM_ERROR_PLAYER_NO_OP;
        }
 
-       if (format != MM_PLAYER_POS_FORMAT_PERCENT) {
-               LOGW("Time format is not supported yet.\n");
-               return MM_ERROR_INVALID_ARGUMENT;
-       }
-
        if (content_size_time <= 0 || content_size_bytes <= 0) {
-               LOGW("there is no content size.");
+               LOGW("there is no content size");
                return MM_ERROR_NONE;
        }
 
-       if (__mmplayer_gst_get_position(player, MM_PLAYER_POS_FORMAT_TIME, &position) != MM_ERROR_NONE) {
-               LOGW("fail to get current position.");
+       if (_mmplayer_gst_get_position(player, &position) != MM_ERROR_NONE) {
+               LOGW("fail to get current position");
                return MM_ERROR_NONE;
        }
 
@@ -2969,7 +4128,7 @@ int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned
                GST_TIME_AS_MSECONDS(position), (guint)GST_TIME_AS_SECONDS(content_size_time), content_size_bytes);
 
        mainbin = player->pipeline->mainbin;
-       start_per = (gint)(floor(100 *(gdouble)position / (gdouble)content_size_time));
+       start_per = (gint)(floor(100 * (gdouble)position / (gdouble)content_size_time));
 
        if (mainbin[MMPLAYER_M_MUXED_S_BUFFER].gst) {
                GstQuery *query = NULL;
@@ -2992,7 +4151,7 @@ int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned
                        if (gst_element_query_position(mainbin[MMPLAYER_M_SRC].gst,
                                GST_FORMAT_BYTES, &buffered_total)) {
                                LOGD("buffered_total %"G_GINT64_FORMAT, buffered_total);
-                               stop_per = 100 * buffered_total / content_size_bytes;
+                               end_per = 100 * buffered_total / content_size_bytes;
                        }
                } else {
                        /* GST_BUFFERING_TIMESHIFT or GST_BUFFERING_DOWNLOAD */
@@ -3010,16 +4169,17 @@ int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned
 
                                        buffered_total += (stop_byte - start_byte);
                                }
-                       } else
-                               stop_per = BUFFERING_MAX_PER;
+                       } else {
+                               end_per = BUFFERING_MAX_PER;
+                       }
                }
                gst_query_unref(query);
        }
 
-       if (stop_per == DEFAULT_PER_VALUE) {
+       if (end_per == DEFAULT_PER_VALUE) {
                guint dur_sec = (guint)(content_size_time/GST_SECOND);
                if (dur_sec > 0) {
-                       guint avg_byterate = (guint)(content_size_bytes/dur_sec);
+                       guint avg_byterate = (guint)(content_size_bytes / dur_sec);
 
                        /* buffered size info from multiqueue */
                        if (mainbin[MMPLAYER_M_DEMUXED_S_BUFFER].gst) {
@@ -3031,23 +4191,530 @@ int __mmplayer_gst_get_buffer_position(mm_player_t* player, int format, unsigned
                        }
 
                        if (avg_byterate > 0)
-                               buffered_sec = (gint)(ceil((gdouble)buffered_total/(gdouble)avg_byterate));
+                               buffered_sec = (gint)(ceil((gdouble)buffered_total / (gdouble)avg_byterate));
                        else if (player->total_maximum_bitrate > 0)
-                               buffered_sec = (gint)(ceil((gdouble)GET_BIT_FROM_BYTE(buffered_total)/(gdouble)player->total_maximum_bitrate));
+                               buffered_sec = (gint)(ceil((gdouble)GET_BIT_FROM_BYTE(buffered_total) / (gdouble)player->total_maximum_bitrate));
                        else if (player->total_bitrate > 0)
-                               buffered_sec = (gint)(ceil((gdouble)GET_BIT_FROM_BYTE(buffered_total)/(gdouble)player->total_bitrate));
+                               buffered_sec = (gint)(ceil((gdouble)GET_BIT_FROM_BYTE(buffered_total) / (gdouble)player->total_bitrate));
 
                        if (buffered_sec >= 0)
-                               stop_per = start_per +(gint)(ceil)(100*(gdouble)buffered_sec/(gdouble)dur_sec);
+                               end_per = start_per + (gint)(ceil)(100 * (gdouble)buffered_sec / (gdouble)dur_sec);
                }
        }
 
        *start_pos = CHECK_PERCENT_VALUE(start_per, 0, 100);
-       *stop_pos = CHECK_PERCENT_VALUE(stop_per, *start_pos, 100);
+       *end_pos = CHECK_PERCENT_VALUE(end_per, *start_pos, 100);
+
+       LOGD("buffered info: %"G_GINT64_FORMAT" bytes, %d sec, per %d~%d",
+               buffered_total, buffered_sec, *start_pos, *end_pos);
+
+       return MM_ERROR_NONE;
+}
+
+GstElement *
+_mmplayer_gst_create_source(mmplayer_t *player)
+{
+       GstElement *element = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, NULL);
+
+       /* setup source for gapless play */
+       switch (player->profile.uri_type) {
+       /* file source */
+       case MM_PLAYER_URI_TYPE_FILE:
+               element = __mmplayer_gst_make_file_src(player);
+               break;
+       case MM_PLAYER_URI_TYPE_URL_HTTP:
+               element = __mmplayer_gst_make_http_src(player);
+               break;
+       default:
+               LOGE("not support uri type %d", player->profile.uri_type);
+               break;
+       }
+
+       if (!element) {
+               LOGE("failed to create source element");
+               return NULL;
+       }
+
+       MMPLAYER_FLEAVE();
+       return element;
+}
+
+int
+_mmplayer_gst_build_es_pipeline(mmplayer_t *player)
+{
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       SECURE_LOGD("uri : %s", player->profile.uri);
+
+       mm_player_set_attribute((MMHandleType)player, NULL, "profile_prepare_async", TRUE, NULL);
+
+       if ((player->v_stream_caps) &&
+               !(__mmplayer_gst_create_es_path(player, MM_PLAYER_STREAM_TYPE_VIDEO, player->v_stream_caps)))
+               return MM_ERROR_PLAYER_INTERNAL;
+
+       if ((player->a_stream_caps) &&
+               !(__mmplayer_gst_create_es_path(player, MM_PLAYER_STREAM_TYPE_AUDIO, player->a_stream_caps)))
+               return MM_ERROR_PLAYER_INTERNAL;
+
+       if ((player->s_stream_caps) &&
+               !(__mmplayer_gst_create_es_path(player, MM_PLAYER_STREAM_TYPE_TEXT, player->s_stream_caps)))
+               return MM_ERROR_PLAYER_INTERNAL;
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+}
+
+int
+_mmplayer_gst_build_pipeline_with_src(mmplayer_t *player)
+{
+       mmplayer_gst_element_t *mainbin = NULL;
+       GstElement *autoplug_elem = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       mainbin = player->pipeline->mainbin;
+
+       LOGD("uri type %d", player->profile.uri_type);
+
+       if ((player->profile.uri_type == MM_PLAYER_URI_TYPE_FILE) &&
+               (!_mmplayer_get_storage_info(player->profile.uri, &player->storage_info[MMPLAYER_PATH_VOD]))) {
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       if (player->profile.uri_type == MM_PLAYER_URI_TYPE_MEM) {
+               g_strlcpy(player->profile.uri, "appsrc://", MM_MAX_URL_LEN);
+       }
+
+       autoplug_elem = __mmplayer_gst_make_uridecodebin(player);
+       if (!autoplug_elem) {
+               LOGE("failed to create uridecodebin3 element");
+               goto ERROR;
+       }
+
+       LOGD("autoplug elem is created %s", GST_ELEMENT_NAME(autoplug_elem));
+       mainbin[MMPLAYER_M_AUTOPLUG].id = MMPLAYER_M_AUTOPLUG;
+       mainbin[MMPLAYER_M_AUTOPLUG].gst = autoplug_elem;
+
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), autoplug_elem)) {
+               LOGE("failed to add uridecodebin to pipeline");
+               goto ERROR;
+       }
+
+       /* FIXME: required ?*/
+       /* create fakesink element for keeping the pipeline state PAUSED. if needed */
+       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) {
+               LOGE("failed to create fakesink");
+               goto ERROR;
+       }
+       GST_OBJECT_FLAG_UNSET(mainbin[MMPLAYER_M_SRC_FAKESINK].gst, GST_ELEMENT_FLAG_SINK);
+
+       /* take ownership of fakesink. we are reusing it */
+       gst_object_ref(mainbin[MMPLAYER_M_SRC_FAKESINK].gst);
+
+       if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[MMPLAYER_M_SRC_FAKESINK].gst)) {
+               LOGE("failed to add fakesink to bin");
+               gst_object_unref(mainbin[MMPLAYER_M_SRC_FAKESINK].gst);
+               goto ERROR;
+       }
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+
+ERROR:
+
+       if (mainbin[MMPLAYER_M_AUTOPLUG].gst)
+               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_AUTOPLUG].gst));
+
+       if (mainbin[MMPLAYER_M_SRC_FAKESINK].gst)
+               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_SRC_FAKESINK].gst));
+
+       mainbin[MMPLAYER_M_AUTOPLUG].gst = NULL;
+       mainbin[MMPLAYER_M_SRC_FAKESINK].gst = NULL;
+
+       return MM_ERROR_PLAYER_INTERNAL;
+}
+
+int
+_mmplayer_gst_build_pipeline(mmplayer_t *player)
+{
+       mmplayer_gst_element_t *mainbin = NULL;
+       GstElement *src_elem = NULL;
+       GstElement *autoplug_elem = NULL;
+       GList *element_bucket = NULL;
+       main_element_id_e autoplug_elem_id = MMPLAYER_M_NUM;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       LOGD("uri type %d", player->profile.uri_type);
+
+       /* create source element */
+       switch (player->profile.uri_type) {
+       case MM_PLAYER_URI_TYPE_URL_RTSP:
+               src_elem = __mmplayer_gst_make_rtsp_src(player);
+               break;
+       case MM_PLAYER_URI_TYPE_URL_HTTP:
+               src_elem = __mmplayer_gst_make_http_src(player);
+               break;
+       case MM_PLAYER_URI_TYPE_FILE:
+               src_elem = __mmplayer_gst_make_file_src(player);
+               break;
+       case MM_PLAYER_URI_TYPE_SS:
+               {
+                       gint http_timeout = DEFAULT_HTTP_TIMEOUT;
+                       src_elem = gst_element_factory_make("souphttpsrc", "http streaming source");
+                       if (!src_elem) {
+                               LOGE("failed to create http streaming source element[%s]", player->ini.httpsrc_element);
+                               break;
+                       }
 
-       LOGD("buffered info: %"G_GINT64_FORMAT" bytes, %d sec, per %lu~%lu\n",
-               buffered_total, buffered_sec, *start_pos, *stop_pos);
+                       if (player->ini.http_timeout != DEFAULT_HTTP_TIMEOUT) {
+                               LOGD("get timeout from ini");
+                               http_timeout = player->ini.http_timeout;
+                       }
+
+                       /* setting property to streaming source */
+                       g_object_set(G_OBJECT(src_elem), "location", player->profile.uri, "timeout", http_timeout, NULL);
+               }
+               break;
+       case MM_PLAYER_URI_TYPE_MEM:
+               {
+                       GstAppStreamType stream_type = GST_APP_STREAM_TYPE_RANDOM_ACCESS;
+
+                       src_elem = gst_element_factory_make("appsrc", "mem-source");
+                       if (!src_elem) {
+                               LOGE("failed to create appsrc element");
+                               break;
+                       }
+
+                       g_object_set(src_elem, "stream-type", stream_type,
+                               "size", (gint64)player->profile.input_mem.len, "blocksize", 20480, NULL);
+
+                       _mmplayer_add_signal_connection(player, G_OBJECT(src_elem), MM_PLAYER_SIGNAL_TYPE_OTHERS, "seek-data",
+                                                                                       G_CALLBACK(__mmplayer_gst_appsrc_seek_data_mem), (gpointer)&player->profile.input_mem);
+                       _mmplayer_add_signal_connection(player, G_OBJECT(src_elem), MM_PLAYER_SIGNAL_TYPE_OTHERS, "need-data",
+                                                                                       G_CALLBACK(__mmplayer_gst_appsrc_feed_data_mem), (gpointer)&player->profile.input_mem);
+               }
+               break;
+       default:
+               LOGE("not support uri type");
+               break;
+       }
+
+       if (!src_elem) {
+               LOGE("failed to create source element");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       mainbin = player->pipeline->mainbin;
+
+       /* take source element */
+       LOGD("source elem is created %s", GST_ELEMENT_NAME(src_elem));
+
+       mainbin[MMPLAYER_M_SRC].id = MMPLAYER_M_SRC;
+       mainbin[MMPLAYER_M_SRC].gst = src_elem;
+       element_bucket = g_list_append(element_bucket, &mainbin[MMPLAYER_M_SRC]);
+
+       /* create next element for auto-plugging */
+       if (MMPLAYER_IS_HTTP_STREAMING(player)) {
+               autoplug_elem_id = MMPLAYER_M_TYPEFIND;
+               autoplug_elem = gst_element_factory_make("typefind", "typefinder");
+               if (!autoplug_elem) {
+                       LOGE("failed to create typefind element");
+                       goto ERROR;
+               }
+
+               _mmplayer_add_signal_connection(player, G_OBJECT(autoplug_elem), MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "have-type",
+                                                                       G_CALLBACK(_mmplayer_typefind_have_type), (gpointer)player);
+       } else if (!MMPLAYER_IS_RTSP_STREAMING(player)) {
+               autoplug_elem_id = MMPLAYER_M_AUTOPLUG;
+               autoplug_elem = _mmplayer_gst_make_decodebin(player);
+               if (!autoplug_elem) {
+                       LOGE("failed to create decodebin");
+                       goto ERROR;
+               }
+
+               /* default size of mq in decodebin is 2M
+                * but it can cause blocking issue during seeking depends on content. */
+               g_object_set(G_OBJECT(autoplug_elem), "max-size-bytes", (5 * 1024 * 1024), NULL);
+       }
+
+       if (autoplug_elem) {
+               LOGD("autoplug elem is created %s", GST_ELEMENT_NAME(autoplug_elem));
+               mainbin[autoplug_elem_id].id = autoplug_elem_id;
+               mainbin[autoplug_elem_id].gst = autoplug_elem;
+
+               element_bucket = g_list_append(element_bucket, &mainbin[autoplug_elem_id]);
+       }
+
+       /* add elements to pipeline */
+       if (!_mmplayer_gst_element_add_bucket_to_bin(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element_bucket)) {
+               LOGE("failed to add elements to pipeline");
+               goto ERROR;
+       }
+
+       /* linking elements in the bucket by added order. */
+       if (_mmplayer_gst_element_link_bucket(element_bucket) == -1) {
+               LOGE("failed to link some elements");
+               goto ERROR;
+       }
+
+       /* FIXME: need to check whether this is required or not. */
+       if (MMPLAYER_IS_HTTP_STREAMING(player) || MMPLAYER_IS_RTSP_STREAMING(player) ||
+               (player->audio_extract_opt & MM_PLAYER_AUDIO_EXTRACT_DEINTERLEAVE)) {
+               /* create fakesink element for keeping the pipeline state PAUSED. if needed */
+               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) {
+                       LOGE("failed to create fakesink");
+                       goto ERROR;
+               }
+               GST_OBJECT_FLAG_UNSET(mainbin[MMPLAYER_M_SRC_FAKESINK].gst, GST_ELEMENT_FLAG_SINK);
+
+               /* take ownership of fakesink. we are reusing it */
+               gst_object_ref(mainbin[MMPLAYER_M_SRC_FAKESINK].gst);
+
+               if (!gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), mainbin[MMPLAYER_M_SRC_FAKESINK].gst)) {
+                       LOGE("failed to add fakesink to bin");
+                       gst_object_unref(mainbin[MMPLAYER_M_SRC_FAKESINK].gst);
+                       goto ERROR;
+               }
+       }
+
+       g_list_free(element_bucket);
+
+       MMPLAYER_FLEAVE();
+       return MM_ERROR_NONE;
+
+ERROR:
+       g_list_free(element_bucket);
+
+       if (mainbin[MMPLAYER_M_SRC].gst)
+               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_SRC].gst));
+
+       if (mainbin[autoplug_elem_id].gst)
+               gst_object_unref(GST_OBJECT(mainbin[autoplug_elem_id].gst));
+
+       if (mainbin[MMPLAYER_M_SRC_FAKESINK].gst)
+               gst_object_unref(GST_OBJECT(mainbin[MMPLAYER_M_SRC_FAKESINK].gst));
+
+       mainbin[MMPLAYER_M_SRC].gst = NULL;
+       mainbin[autoplug_elem_id].gst = NULL;
+       mainbin[MMPLAYER_M_SRC_FAKESINK].gst = NULL;
+
+       return MM_ERROR_PLAYER_INTERNAL;
+}
+
+int
+_mmplayer_gst_add_bus_watch(mmplayer_t *player)
+{
+       GstBus  *bus = NULL;
+       mmplayer_gst_element_t *mainbin = NULL;
+
+       MMPLAYER_FENTER();
+       MMPLAYER_RETURN_VAL_IF_FAIL(player && player->pipeline &&
+                               player->pipeline->mainbin, MM_ERROR_PLAYER_NOT_INITIALIZED);
+
+       mainbin = player->pipeline->mainbin;
+
+       /* connect bus callback */
+       bus = gst_pipeline_get_bus(GST_PIPELINE(mainbin[MMPLAYER_M_PIPE].gst));
+       if (!bus) {
+               LOGE("cannot get bus from pipeline");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       player->bus_watcher = gst_bus_add_watch_full(bus, G_PRIORITY_DEFAULT,
+                                                       (GstBusFunc)__mmplayer_gst_msg_push, player,
+                                                       (GDestroyNotify)_mmplayer_watcher_removed_notify);
+       if (player->bus_watcher == 0) {
+               LOGE("failed to add bus watch");
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
+
+       g_mutex_init(&player->bus_watcher_mutex);
+       g_cond_init(&player->bus_watcher_cond);
+
+       player->context.thread_default = g_main_context_get_thread_default();
+       if (player->context.thread_default == NULL) {
+               player->context.thread_default = g_main_context_default();
+               LOGD("thread-default context is the global default context");
+       }
+       LOGW("bus watcher thread context = %p, watcher : %d", player->context.thread_default, player->bus_watcher);
+
+       /* set sync handler to get tag synchronously */
+       gst_bus_set_sync_handler(bus, __mmplayer_gst_bus_sync_callback, player, NULL);
+       gst_object_unref(GST_OBJECT(bus));
+
+       /* create gst bus_msb_cb thread */
+       g_mutex_init(&player->bus_msg_thread_mutex);
+       g_cond_init(&player->bus_msg_thread_cond);
+       player->bus_msg_thread_exit = FALSE;
+       player->bus_msg_thread =
+               g_thread_try_new("gst_bus_msg_thread", __mmplayer_gst_bus_msg_thread, (gpointer)player, NULL);
+       if (!player->bus_msg_thread) {
+               LOGE("failed to create gst BUS msg thread");
+               g_mutex_clear(&player->bus_msg_thread_mutex);
+               g_cond_clear(&player->bus_msg_thread_cond);
+               return MM_ERROR_PLAYER_INTERNAL;
+       }
 
+       MMPLAYER_FLEAVE();
        return MM_ERROR_NONE;
 }
 
+void
+_mmplayer_activate_next_source(mmplayer_t *player, GstState target)
+{
+       int ret = MM_ERROR_NONE;
+       mmplayer_gst_element_t *mainbin = NULL;
+       MMMessageParamType msg_param = {0,};
+       GstElement *element = NULL;
+       MMHandleType attrs = 0;
+       char *uri = NULL;
+       main_element_id_e elem_idx = MMPLAYER_M_NUM;
+
+       MMPLAYER_FENTER();
+
+       if (!player || !player->pipeline || !player->pipeline->mainbin) {
+               LOGE("player is not initialized");
+               goto ERROR;
+       }
+
+       mainbin = player->pipeline->mainbin;
+       msg_param.code = MM_ERROR_PLAYER_INTERNAL;
+
+       attrs = MMPLAYER_GET_ATTRS(player);
+       if (!attrs) {
+               LOGE("fail to get attributes");
+               goto ERROR;
+       }
+
+       mm_attrs_get_string_by_name(attrs, "profile_uri", &uri);
+
+       if (_mmplayer_parse_profile((const char *)uri, NULL, &player->profile) != MM_ERROR_NONE) {
+               LOGE("failed to parse profile");
+               msg_param.code = MM_ERROR_PLAYER_INVALID_URI;
+               goto ERROR;
+       }
+
+       if ((MMPLAYER_URL_HAS_DASH_SUFFIX(player)) ||
+               (MMPLAYER_URL_HAS_HLS_SUFFIX(player))) {
+               LOGE("dash or hls is not supportable");
+               msg_param.code = MM_ERROR_PLAYER_INVALID_URI;
+               goto ERROR;
+       }
+
+       if (!MMPLAYER_USE_DECODEBIN(player)) {
+               ret = _mmplayer_gst_build_pipeline_with_src(player);
+               if (ret != MM_ERROR_NONE)
+                       goto ERROR;
+
+               if (gst_element_set_state(mainbin[MMPLAYER_M_AUTOPLUG].gst, target) == GST_STATE_CHANGE_FAILURE) {
+                       LOGE("Failed to change state of uridecodebin3 element");
+                       goto ERROR;
+               }
+               goto DONE;
+       }
+
+       element = _mmplayer_gst_create_source(player);
+       if (!element) {
+               LOGE("no source element was created");
+               goto ERROR;
+       }
+
+       if (gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element) == FALSE) {
+               LOGE("failed to add source element to pipeline");
+               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();
+                       _mm_player_streaming_initialize(player->streamer, TRUE);
+               }
+
+               elem_idx = MMPLAYER_M_TYPEFIND;
+               element = gst_element_factory_make("typefind", "typefinder");
+               _mmplayer_add_signal_connection(player, G_OBJECT(element),
+                       MM_PLAYER_SIGNAL_TYPE_AUTOPLUG, "have-type", G_CALLBACK(_mmplayer_typefind_have_type), (gpointer)player);
+       } else {
+               elem_idx = MMPLAYER_M_AUTOPLUG;
+               element = _mmplayer_gst_make_decodebin(player);
+       }
+
+       /* check autoplug element is OK */
+       if (!element) {
+               LOGE("can not create element(%d)", elem_idx);
+               goto ERROR;
+       }
+
+       if (gst_bin_add(GST_BIN(mainbin[MMPLAYER_M_PIPE].gst), element) == FALSE) {
+               LOGE("failed to add %s to pipeline", GST_ELEMENT_NAME(element));
+               gst_object_unref(GST_OBJECT(element));
+               element = NULL;
+               goto ERROR;
+       }
+
+       mainbin[elem_idx].id = elem_idx;
+       mainbin[elem_idx].gst = element;
+
+       if (gst_element_link(mainbin[MMPLAYER_M_SRC].gst, mainbin[elem_idx].gst) == FALSE) {
+               LOGE("Failed to link src - autoplug(or typefind)");
+               goto ERROR;
+       }
+
+       if (MMPLAYER_IS_HTTP_STREAMING(player)) {
+               if (gst_element_set_state(mainbin[MMPLAYER_M_TYPEFIND].gst, target) == GST_STATE_CHANGE_FAILURE) {  // ????
+                       LOGE("Failed to change state of src element");
+                       goto ERROR;
+               }
+       } else {
+               if (gst_element_set_state(mainbin[MMPLAYER_M_AUTOPLUG].gst, target) == GST_STATE_CHANGE_FAILURE) {
+                       LOGE("Failed to change state of decodebin");
+                       goto ERROR;
+               }
+       }
+
+       if (gst_element_set_state(mainbin[MMPLAYER_M_SRC].gst, target) == GST_STATE_CHANGE_FAILURE) {
+               LOGE("Failed to change state of src element");
+               goto ERROR;
+       }
+
+DONE:
+       player->gapless.stream_changed = TRUE;
+       player->gapless.running = TRUE;
+       MMPLAYER_FLEAVE();
+       return;
+
+ERROR:
+       if (player) {
+               _mmplayer_set_reconfigure_state(player, FALSE);
+               if (!player->msg_posted) {
+                       MMPLAYER_POST_MSG(player, MM_MESSAGE_ERROR, &msg_param);
+                       player->msg_posted = TRUE;
+               }
+       }
+       return;
+}