[Release version 0.10.37] Return NOT_SUPPORTED error when configure file is not existed
[platform/core/multimedia/libmm-camcorder.git] / src / mm_camcorder_internal.c
index 2ea5b75..deaa15f 100644 (file)
 #include <mm_session.h>
 #include <mm_session_private.h>
 
-#include <cynara-client.h>
+#include <murphy/common/glib-glue.h>
 
 /*---------------------------------------------------------------------------------------
 |    GLOBAL VARIABLE DEFINITIONS for internal                                          |
 ---------------------------------------------------------------------------------------*/
-int g_mm_camcorder_type = -255;
 struct sigaction mm_camcorder_int_old_action;
 struct sigaction mm_camcorder_abrt_old_action;
 struct sigaction mm_camcorder_segv_old_action;
@@ -58,12 +57,11 @@ struct sigaction mm_camcorder_sys_old_action;
 |    LOCAL VARIABLE DEFINITIONS for internal                                           |
 ---------------------------------------------------------------------------------------*/
 #define __MMCAMCORDER_CMD_ITERATE_MAX           3
-#define __MMCAMCORDER_SET_GST_STATE_TIMEOUT     3
+#define __MMCAMCORDER_SET_GST_STATE_TIMEOUT     5
 #define __MMCAMCORDER_FORCE_STOP_TRY_COUNT      30
 #define __MMCAMCORDER_FORCE_STOP_WAIT_TIME      100000  /* us */
 #define __MMCAMCORDER_SOUND_WAIT_TIMEOUT        3
-#define __MMCAMCORDER_PATH_CAMERA_RESOURCE      "/usr/share/sounds/mm-camcorder/camera_resource"
-#define __MMCAMCORDER_PATH_RECORDER_RESOURCE    "/usr/share/sounds/mm-camcorder/recorder_resource"
+#define __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN   64
 
 
 /*---------------------------------------------------------------------------------------
@@ -98,42 +96,8 @@ static void _mmcamcorder_constructor() __attribute__((constructor));
 static void __mm_camcorder_signal_handler(int signo)
 {
        pid_t my_pid = getpid();
-       pid_t vconf_recorder_pid = -1;
-       pid_t vconf_camera_pid = -1;
-       int vconf_flash_state = VCONFKEY_CAMERA_FLASH_STATE_OFF;
-
-       _mmcam_dbg_warn("start - signo [%d], pid [%d], device type [%d]", signo, my_pid, g_mm_camcorder_type);
-
-       /* reset vconf key */
-       switch (g_mm_camcorder_type) {
-       case MM_VIDEO_DEVICE_NONE:
-               vconf_get_int(VCONFKEY_RECORDER_PID, (int *)&vconf_recorder_pid);
-               if (my_pid == vconf_recorder_pid) {
-                       vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_NULL);
-                       vconf_set_int(VCONFKEY_RECORDER_PID, -1);
-                       _mmcam_dbg_warn("set recorder state NULL");
-               } else {
-                       _mmcam_dbg_warn("different pid : my[%d] vconf[%d]", my_pid, vconf_recorder_pid);
-               }
-               break;
-       case MM_VIDEO_DEVICE_CAMERA0:
-       case MM_VIDEO_DEVICE_CAMERA1:
-               vconf_get_int(VCONFKEY_CAMERA_FLASH_STATE, &vconf_flash_state);
-               vconf_get_int(VCONFKEY_CAMERA_PID, (int *)&vconf_camera_pid);
-               if (my_pid == vconf_camera_pid &&
-                       vconf_flash_state == VCONFKEY_CAMERA_FLASH_STATE_ON) {
-                       vconf_set_int(VCONFKEY_CAMERA_FLASH_STATE, VCONFKEY_CAMERA_FLASH_STATE_OFF);
-                       vconf_set_int(VCONFKEY_CAMERA_PID, -1);
-                       _mmcam_dbg_warn("set camera flash state OFF");
-               }
-
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_NULL);
-               _mmcam_dbg_warn("set camera state NULL");
-               break;
-       default:
-               _mmcam_dbg_warn("unknown type [%d]", g_mm_camcorder_type);
-               break;
-       }
+
+       _mmcam_dbg_warn("start - signo [%d], pid [%d]", signo, my_pid);
 
        /* call old signal handler */
        switch (signo) {
@@ -188,7 +152,6 @@ static void _mmcamcorder_constructor()
        return;
 }
 
-
 /* Internal command functions {*/
 int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
 {
@@ -202,9 +165,6 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        int camera_device_count = MM_VIDEO_DEVICE_NUM;
        int camera_default_flip = MM_FLIP_NONE;
        int camera_facing_direction = MM_CAMCORDER_CAMERA_FACING_DIRECTION_REAR;
-#if 0
-       int resource_fd = -1;
-#endif
        char *err_attr_name = NULL;
        const char *ConfCtrlFile = NULL;
        mmf_camcorder_t *hcamcorder = NULL;
@@ -228,37 +188,37 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        hcamcorder->capture_in_recording = FALSE;
        hcamcorder->session_type = MM_SESSION_TYPE_MEDIA;
 
-       pthread_mutex_init(&((hcamcorder->mtsafe).lock), NULL);
-       pthread_cond_init(&((hcamcorder->mtsafe).cond), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).cmd_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).asm_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).state_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).gst_state_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).gst_encode_state_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).message_cb_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).vcapture_cb_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).vstream_cb_lock), NULL);
-       pthread_mutex_init(&((hcamcorder->mtsafe).astream_cb_lock), NULL);
-
-       pthread_mutex_init(&(hcamcorder->sound_lock), NULL);
-       pthread_cond_init(&(hcamcorder->sound_cond), NULL);
-       pthread_mutex_init(&(hcamcorder->restart_preview_lock), NULL);
+       g_mutex_init(&(hcamcorder->mtsafe).lock);
+       g_cond_init(&(hcamcorder->mtsafe).cond);
+       g_mutex_init(&(hcamcorder->mtsafe).cmd_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).asm_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).state_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).gst_state_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).gst_encode_state_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).message_cb_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).vcapture_cb_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).vstream_cb_lock);
+       g_mutex_init(&(hcamcorder->mtsafe).astream_cb_lock);
+
+       g_mutex_init(&hcamcorder->restart_preview_lock);
 
        /* Sound mutex/cond init */
-       pthread_mutex_init(&(hcamcorder->snd_info.open_mutex), NULL);
-       pthread_cond_init(&(hcamcorder->snd_info.open_cond), NULL);
+       g_mutex_init(&hcamcorder->snd_info.open_mutex);
+       g_cond_init(&hcamcorder->snd_info.open_cond);
+       g_mutex_init(&hcamcorder->snd_info.play_mutex);
+       g_cond_init(&hcamcorder->snd_info.play_cond);
 
        /* init for sound thread */
-       pthread_mutex_init(&(hcamcorder->task_thread_lock), NULL);
-       pthread_cond_init(&(hcamcorder->task_thread_cond), NULL);
+       g_mutex_init(&hcamcorder->task_thread_lock);
+       g_cond_init(&hcamcorder->task_thread_cond);
        hcamcorder->task_thread_state = _MMCAMCORDER_SOUND_STATE_NONE;
 
        /* create task thread */
-       pthread_create(&(hcamcorder->task_thread), NULL, _mmcamcorder_util_task_thread_func, (void *)hcamcorder);
-
-       /* get root directory */
-       ret = _mmcamcorder_get_root_directory(&hcamcorder->root_directory);
-       if (ret != MM_ERROR_NONE) {
+       hcamcorder->task_thread = g_thread_try_new("MMCAM_TASK_THREAD",
+               (GThreadFunc)_mmcamcorder_util_task_thread_func, (gpointer)hcamcorder, NULL);
+       if (hcamcorder->task_thread == NULL) {
+               _mmcam_dbg_err("_mmcamcorder_create::failed to create task thread");
+               ret = MM_ERROR_CAMCORDER_RESOURCE_CREATION;
                goto _ERR_DEFAULT_VALUE_INIT;
        }
 
@@ -272,100 +232,38 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        /* set device type */
        hcamcorder->device_type = info->videodev_type;
        _mmcam_dbg_warn("Device Type : %d", hcamcorder->device_type);
-#if 0
-       if (hcamcorder->device_type == MM_VIDEO_DEVICE_NONE) {
-               resource_fd = open(__MMCAMCORDER_PATH_RECORDER_RESOURCE, O_RDONLY);
-       } else {
-               resource_fd = open(__MMCAMCORDER_PATH_CAMERA_RESOURCE, O_RDONLY);
-       }
 
-       if (resource_fd < 0) {
-               _mmcam_dbg_log("open error %s : cur %d",strerror(errno),errno);
-               if(errno == EPERM || errno == EACCES) {
-                       ret = MM_ERROR_COMMON_INVALID_PERMISSION;
-               } else {
-                       ret = MM_ERROR_CAMCORDER_INTERNAL;
-               }
-               goto _ERR_DEFAULT_VALUE_INIT;
-       } else {
-               close(resource_fd);
-               resource_fd = -1;
-               _mmcam_dbg_warn("permission check done");
-       }
-#else
-       {
-               FILE *fp = NULL;;
-               int length_read = 0;
-               int priv_check = FALSE;
-               uid_t my_uid = 0;
-               char *client_session = "";
-               char *smack_string = NULL;
-               char uid_string[50];
-               size_t buffer_length = 0;
-               cynara *p_cynara = NULL;
-
-               if (cynara_initialize(&p_cynara, NULL) != CYNARA_API_SUCCESS) {
-                       ret = MM_ERROR_CAMCORDER_INTERNAL;
-                       goto _ERR_DEFAULT_VALUE_INIT;
-               }
+       if (MM_ERROR_NONE == _mm_session_util_read_information(-1, &hcamcorder->session_type, &hcamcorder->session_flags)) {
+               _mmcam_dbg_log("use sound focus function.");
+               hcamcorder->sound_focus_register = TRUE;
 
-               fp = fopen("/proc/self/attr/current", "r");
-               if (fp == NULL) {
-                       ret = MM_ERROR_CAMCORDER_INTERNAL;
+               if (MM_ERROR_NONE != mm_sound_focus_get_id(&hcamcorder->sound_focus_id)) {
+                       _mmcam_dbg_err("mm_sound_focus_get_uniq failed");
+                       ret = MM_ERROR_POLICY_BLOCKED;
                        goto _ERR_DEFAULT_VALUE_INIT;
                }
 
-               length_read = getline(&smack_string, &buffer_length, fp);
-               if (length_read > 0) {
-                       int cynara_ret = 0;
-
-                       my_uid = getuid();
-                       snprintf(uid_string, 50, "%d", my_uid);
-                       _mmcam_dbg_log("label %s, uid %u, %s", smack_string, my_uid, uid_string);
-
-                       if (hcamcorder->device_type == MM_VIDEO_DEVICE_NONE) {
-                               cynara_ret = cynara_check(p_cynara, smack_string, client_session, uid_string,
-                                                         "http://tizen.org/privilege/recorder");
-                       } else {
-                               cynara_ret = cynara_check(p_cynara, smack_string, client_session, uid_string,
-                                                         "http://tizen.org/privilege/camera");
-                       }
-                       if (cynara_ret == CYNARA_API_ACCESS_ALLOWED) {
-                               priv_check = TRUE;
-                               _mmcam_dbg_err("privilege check done");
-                       } else {
-                               ret = MM_ERROR_COMMON_INVALID_PERMISSION;
-                               _mmcam_dbg_err("permission denied");
-                       }
-               } else {
-                       ret = MM_ERROR_CAMCORDER_INTERNAL;
-                       _mmcam_dbg_err("getline failed");
-               }
-
-               if (smack_string) {
-                       free(smack_string);
-                       smack_string = NULL;
-               }
-
-               fclose(fp);
-               fp = NULL;
-
-               cynara_finish(p_cynara);
-               p_cynara = NULL;
-
-               if (priv_check == FALSE) {
+               if (MM_ERROR_NONE != mm_sound_register_focus_for_session(hcamcorder->sound_focus_id,
+                                                                        getpid(),
+                                                                        "media",
+                                                                        _mmcamcorder_sound_focus_cb,
+                                                                        hcamcorder)) {
+                       _mmcam_dbg_err("mm_sound_register_focus failed");
+                       ret = MM_ERROR_POLICY_BLOCKED;
                        goto _ERR_DEFAULT_VALUE_INIT;
                }
+
+               _mmcam_dbg_log("mm_sound_register_focus done - id %d, session type %d, flags 0x%x",
+                              hcamcorder->sound_focus_id, hcamcorder->session_type, hcamcorder->session_flags);
+       } else {
+               _mmcam_dbg_log("_mm_session_util_read_information failed. skip sound focus function.");
+               hcamcorder->sound_focus_register = FALSE;
        }
-#endif
 
        /* Get Camera Configure information from Camcorder INI file */
-       _mmcamcorder_conf_get_info((MMHandleType)hcamcorder, CONFIGURE_TYPE_MAIN, CONFIGURE_MAIN_FILE, &hcamcorder->conf_main);
-
-       if (!(hcamcorder->conf_main)) {
-               _mmcam_dbg_err( "Failed to get configure(main) info." );
-
-               ret = MM_ERROR_CAMCORDER_CREATE_CONFIGURE;
+       ret = _mmcamcorder_conf_get_info((MMHandleType)hcamcorder, CONFIGURE_TYPE_MAIN, CONFIGURE_MAIN_FILE, &hcamcorder->conf_main);
+       if (ret != MM_ERROR_NONE) {
+               _mmcam_dbg_err("Failed to get configure(main) info.");
                goto _ERR_DEFAULT_VALUE_INIT;
        }
 
@@ -408,17 +306,15 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
 
                        _mmcam_dbg_log("videodev_type : [%d], ConfCtrlPath : [%s]", info->videodev_type, ConfCtrlFile);
 
-                       _mmcamcorder_conf_get_info((MMHandleType)hcamcorder, CONFIGURE_TYPE_CTRL, ConfCtrlFile, &hcamcorder->conf_ctrl);
+                       ret = _mmcamcorder_conf_get_info((MMHandleType)hcamcorder, CONFIGURE_TYPE_CTRL, ConfCtrlFile, &hcamcorder->conf_ctrl);
+                       if (ret != MM_ERROR_NONE) {
+                               _mmcam_dbg_err("Failed to get configure(control) info.");
+                               goto _ERR_DEFAULT_VALUE_INIT;
+                       }
 /*
                        _mmcamcorder_conf_print_info(&hcamcorder->conf_main);
                        _mmcamcorder_conf_print_info(&hcamcorder->conf_ctrl);
 */
-                       if (!(hcamcorder->conf_ctrl)) {
-                               _mmcam_dbg_err( "Failed to get configure(control) info." );
-                               ret = MM_ERROR_CAMCORDER_CREATE_CONFIGURE;
-                               goto _ERR_DEFAULT_VALUE_INIT;
-                       }
-
                        ret = _mmcamcorder_init_convert_table((MMHandleType)hcamcorder);
                        if (ret != MM_ERROR_NONE) {
                                _mmcam_dbg_warn("converting table initialize error!!");
@@ -426,7 +322,7 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                                goto _ERR_DEFAULT_VALUE_INIT;
                        }
 
-                       ret = _mmcamcorder_init_attr_from_configure((MMHandleType)hcamcorder, info->videodev_type);
+                       ret = _mmcamcorder_init_attr_from_configure((MMHandleType)hcamcorder, MM_CAMCONVERT_CATEGORY_ALL);
                        if (ret != MM_ERROR_NONE) {
                                _mmcam_dbg_warn("converting table initialize error!!");
                                ret = MM_ERROR_CAMCORDER_INTERNAL;
@@ -526,8 +422,7 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                                                    NULL);
                        if (err_attr_name) {
                                _mmcam_dbg_err("Set %s FAILED.", err_attr_name);
-                               free(err_attr_name);
-                               err_attr_name = NULL;
+                               SAFE_FREE(err_attr_name);
                                ret = MM_ERROR_CAMCORDER_INTERNAL;
                                goto _ERR_DEFAULT_VALUE_INIT;
                        }
@@ -538,8 +433,7 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                                                    NULL);
                        if (err_attr_name) {
                                _mmcam_dbg_err("Get brightness FAILED.");
-                               free(err_attr_name);
-                               err_attr_name = NULL;
+                               SAFE_FREE(err_attr_name);
                                ret = MM_ERROR_CAMCORDER_INTERNAL;
                                goto _ERR_DEFAULT_VALUE_INIT;
                        }
@@ -558,13 +452,12 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                                                    NULL);
                if (err_attr_name) {
                        _mmcam_dbg_err("Set %s FAILED.", err_attr_name);
-                       free(err_attr_name);
-                       err_attr_name = NULL;
+                       SAFE_FREE(err_attr_name);
                        ret = MM_ERROR_CAMCORDER_INTERNAL;
                        goto _ERR_DEFAULT_VALUE_INIT;
                }
 
-               ret = _mmcamcorder_init_attr_from_configure((MMHandleType)hcamcorder, info->videodev_type);
+               ret = _mmcamcorder_init_attr_from_configure((MMHandleType)hcamcorder, MM_CAMCONVERT_CATEGORY_AUDIO);
                if (ret != MM_ERROR_NONE) {
                        _mmcam_dbg_warn("init attribute from configure error : 0x%x", ret);
                        ret = MM_ERROR_CAMCORDER_INTERNAL;
@@ -572,7 +465,20 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                }
        }
 
+       /* initialize resource manager */
+       ret = _mmcamcorder_resource_manager_init(&hcamcorder->resource_manager, (void *)hcamcorder);
+       if (ret != MM_ERROR_NONE) {
+               _mmcam_dbg_err("failed to initialize resource manager");
+               ret = MM_ERROR_CAMCORDER_INTERNAL;
+               goto _ERR_DEFAULT_VALUE_INIT;
+       }
+
+       traceBegin(TTRACE_TAG_CAMERA, "MMCAMCORDER:CREATE:INIT_GSTREAMER");
+
        ret = __mmcamcorder_gstreamer_init(hcamcorder->conf_main);
+
+       traceEnd(TTRACE_TAG_CAMERA);
+
        if (!ret) {
                _mmcam_dbg_err( "Failed to initialize gstreamer!!" );
                ret = MM_ERROR_CAMCORDER_NOT_INITIALIZED;
@@ -630,14 +536,23 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
 
        _mmcam_dbg_log("created handle %p", hcamcorder);
 
-       /* set device type */
-       g_mm_camcorder_type = info->videodev_type;
-
        *handle = (MMHandleType)hcamcorder;
 
        return MM_ERROR_NONE;
 
 _ERR_DEFAULT_VALUE_INIT:
+       /* unregister sound focus */
+       if (hcamcorder->sound_focus_register && hcamcorder->sound_focus_id > 0) {
+               if (MM_ERROR_NONE != mm_sound_unregister_focus(hcamcorder->sound_focus_id)) {
+                       _mmcam_dbg_err("mm_sound_unregister_focus[id %d] failed", hcamcorder->sound_focus_id);
+               } else {
+                       _mmcam_dbg_log("mm_sound_unregister_focus[id %d] done", hcamcorder->sound_focus_id);
+               }
+       } else {
+               _mmcam_dbg_warn("no need to unregister sound focus[%d, id %d]",
+                              hcamcorder->sound_focus_register, hcamcorder->sound_focus_id);
+       }
+
        /* Remove attributes */
        if (hcamcorder->attributes) {
                _mmcamcorder_dealloc_attribute((MMHandleType)hcamcorder, hcamcorder->attributes);
@@ -645,23 +560,21 @@ _ERR_DEFAULT_VALUE_INIT:
        }
 
        /* Release lock, cond */
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).lock));
-       pthread_cond_destroy(&((hcamcorder->mtsafe).cond));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).cmd_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).asm_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).gst_state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).gst_encode_state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).message_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).vcapture_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).vstream_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).astream_cb_lock));
-
-       pthread_mutex_destroy(&(hcamcorder->sound_lock));
-       pthread_cond_destroy(&(hcamcorder->sound_cond));
-       pthread_mutex_destroy(&(hcamcorder->snd_info.open_mutex));
-       pthread_cond_destroy(&(hcamcorder->snd_info.open_cond));
-       pthread_mutex_destroy(&(hcamcorder->restart_preview_lock));
+       g_mutex_clear(&(hcamcorder->mtsafe).lock);
+       g_cond_clear(&(hcamcorder->mtsafe).cond);
+       g_mutex_clear(&(hcamcorder->mtsafe).cmd_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).asm_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).gst_state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).gst_encode_state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).message_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).vcapture_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).vstream_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).astream_cb_lock);
+
+       g_mutex_clear(&hcamcorder->snd_info.open_mutex);
+       g_cond_clear(&hcamcorder->snd_info.open_cond);
+       g_mutex_clear(&hcamcorder->restart_preview_lock);
 
        if (hcamcorder->conf_ctrl) {
                _mmcamcorder_conf_release_info(handle, &hcamcorder->conf_ctrl);
@@ -682,20 +595,16 @@ _ERR_DEFAULT_VALUE_INIT:
        }
 
        if (hcamcorder->task_thread) {
-               pthread_mutex_lock(&(hcamcorder->task_thread_lock));
+               g_mutex_lock(&hcamcorder->task_thread_lock);
                _mmcam_dbg_log("send signal for task thread exit");
                hcamcorder->task_thread_state = _MMCAMCORDER_TASK_THREAD_STATE_EXIT;
-               pthread_cond_signal(&(hcamcorder->task_thread_cond));
-               pthread_mutex_unlock(&(hcamcorder->task_thread_lock));
-               pthread_join(hcamcorder->task_thread, NULL);
-       }
-       pthread_mutex_destroy(&(hcamcorder->task_thread_lock));
-       pthread_cond_destroy(&(hcamcorder->task_thread_cond));
-
-       if (hcamcorder->root_directory) {
-               free(hcamcorder->root_directory);
-               hcamcorder->root_directory = NULL;
+               g_cond_signal(&hcamcorder->task_thread_cond);
+               g_mutex_unlock(&hcamcorder->task_thread_lock);
+               g_thread_join(hcamcorder->task_thread);
+               hcamcorder->task_thread = NULL;
        }
+       g_mutex_clear(&hcamcorder->task_thread_lock);
+       g_cond_clear(&hcamcorder->task_thread_cond);
 
        /* Release handle */
        memset(hcamcorder, 0x00, sizeof(mmf_camcorder_t));
@@ -735,33 +644,14 @@ int _mmcamcorder_destroy(MMHandleType handle)
        }
 
        /* set exit state for sound thread */
-       pthread_mutex_lock(&(hcamcorder->task_thread_lock));
+       g_mutex_lock(&hcamcorder->task_thread_lock);
        _mmcam_dbg_log("send signal for task thread exit");
        hcamcorder->task_thread_state = _MMCAMCORDER_TASK_THREAD_STATE_EXIT;
-       pthread_cond_signal(&(hcamcorder->task_thread_cond));
-       pthread_mutex_unlock(&(hcamcorder->task_thread_lock));
-
-       pthread_mutex_lock(&(hcamcorder->sound_lock));
-       while (hcamcorder->capture_sound_count > 0) {
-               struct timespec timeout;
-               struct timeval tv;
-
-               gettimeofday(&tv, NULL);
-               timeout.tv_sec = tv.tv_sec + __MMCAMCORDER_SOUND_WAIT_TIMEOUT;
-               timeout.tv_nsec = tv.tv_usec * 1000;
-
-               _mmcam_dbg_warn("capture_sound_count[%d] is not zero. wait signal...",
-                               hcamcorder->capture_sound_count);
+       g_cond_signal(&hcamcorder->task_thread_cond);
+       g_mutex_unlock(&hcamcorder->task_thread_lock);
 
-               if (!pthread_cond_timedwait(&(hcamcorder->sound_cond), &(hcamcorder->sound_lock), &timeout)) {
-                       _mmcam_dbg_warn("signal received. check again...");
-               } else {
-                       hcamcorder->capture_sound_count = 0;
-                       _mmcam_dbg_err("capture sound completion wait time out");
-                       break;
-               }
-       }
-       pthread_mutex_unlock(&(hcamcorder->sound_lock));
+       /* wait for completion of sound play */
+       _mmcamcorder_sound_solo_play_wait(handle);
 
        /* Release SubContext and pipeline */
        if (hcamcorder->sub_context) {
@@ -773,6 +663,12 @@ int _mmcamcorder_destroy(MMHandleType handle)
                hcamcorder->sub_context = NULL;
        }
 
+       /* de-initialize resource manager */
+       ret = _mmcamcorder_resource_manager_deinit(&hcamcorder->resource_manager);
+       if (ret != MM_ERROR_NONE) {
+               _mmcam_dbg_err("failed to de-initialize resource manager 0x%x", ret);
+       }
+
        /* Remove idle function which is not called yet */
        if (hcamcorder->setting_event_id) {
                _mmcam_dbg_log("Remove remaining idle function");
@@ -780,29 +676,6 @@ int _mmcamcorder_destroy(MMHandleType handle)
                hcamcorder->setting_event_id = 0;
        }
 
-       /* check current strobe mode */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               pid_t my_pid = getpid();
-               int camera_pid = -1;
-               vconf_get_int(VCONFKEY_CAMERA_PID, &camera_pid);
-
-               if (camera_pid > -1 && my_pid == camera_pid) {
-                       int strobe_mode = MM_CAMCORDER_STROBE_MODE_OFF;
-
-                       vconf_set_int(VCONFKEY_CAMERA_PID, -1);
-                       _mmcam_dbg_log("reset camera pid");
-
-                       mm_camcorder_get_attributes(handle, NULL,
-                                                   MMCAM_STROBE_MODE, &strobe_mode,
-                                                   NULL);
-                       if (strobe_mode != MM_CAMCORDER_STROBE_MODE_OFF) {
-                               /* set OFF state of vconf key */
-                               vconf_set_int(VCONFKEY_CAMERA_FLASH_STATE, VCONFKEY_CAMERA_FLASH_STATE_OFF);
-                               _mmcam_dbg_log("reset flash state");
-                       }
-               }
-       }
-
        /* Remove attributes */
        if (hcamcorder->attributes) {
                _mmcamcorder_dealloc_attribute(handle, hcamcorder->attributes);
@@ -828,10 +701,17 @@ int _mmcamcorder_destroy(MMHandleType handle)
        _mmcamcorder_remove_message_all(handle);
 
        /* unregister sound focus */
-       if(hcamcorder->sound_focus_register) {
-               if (MM_ERROR_NONE != mm_sound_unregister_focus(hcamcorder->sound_focus_id)) {
-                       _mmcam_dbg_err("mm_sound_unregister_focus[id %d] failed", hcamcorder->sound_focus_id);
+       if (hcamcorder->sound_focus_register && hcamcorder->sound_focus_id > 0) {
+               if (mm_sound_unregister_focus(hcamcorder->sound_focus_id) != MM_ERROR_NONE) {
+                       _mmcam_dbg_err("mm_sound_unregister_focus[id %d] failed",
+                                      hcamcorder->sound_focus_id);
+               } else {
+                       _mmcam_dbg_log("mm_sound_unregister_focus[id %d] done",
+                                      hcamcorder->sound_focus_id);
                }
+       } else {
+               _mmcam_dbg_log("no need to unregister sound focus.[%d, id %d]",
+                              hcamcorder->sound_focus_register, hcamcorder->sound_focus_id);
        }
 
        /* release model_name */
@@ -847,36 +727,29 @@ int _mmcamcorder_destroy(MMHandleType handle)
 
        /* join task thread */
        _mmcam_dbg_log("task thread join");
-       pthread_join(hcamcorder->task_thread, NULL);
+       g_thread_join(hcamcorder->task_thread);
+       hcamcorder->task_thread = NULL;
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        /* Release lock, cond */
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).lock));
-       pthread_cond_destroy(&((hcamcorder->mtsafe).cond));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).cmd_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).asm_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).gst_state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).gst_encode_state_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).message_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).vcapture_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).vstream_cb_lock));
-       pthread_mutex_destroy(&((hcamcorder->mtsafe).astream_cb_lock));
-
-       pthread_mutex_destroy(&(hcamcorder->sound_lock));
-       pthread_cond_destroy(&(hcamcorder->sound_cond));
-       pthread_mutex_destroy(&(hcamcorder->snd_info.open_mutex));
-       pthread_cond_destroy(&(hcamcorder->snd_info.open_cond));
-       pthread_mutex_destroy(&(hcamcorder->restart_preview_lock));
-       pthread_mutex_destroy(&(hcamcorder->task_thread_lock));
-       pthread_cond_destroy(&(hcamcorder->task_thread_cond));
-
-       /* Release internal root directory string */
-       if (hcamcorder->root_directory) {
-               free(hcamcorder->root_directory);
-               hcamcorder->root_directory = NULL;
-       }
+       g_mutex_clear(&(hcamcorder->mtsafe).lock);
+       g_cond_clear(&(hcamcorder->mtsafe).cond);
+       g_mutex_clear(&(hcamcorder->mtsafe).cmd_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).asm_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).gst_state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).gst_encode_state_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).message_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).vcapture_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).vstream_cb_lock);
+       g_mutex_clear(&(hcamcorder->mtsafe).astream_cb_lock);
+
+       g_mutex_clear(&hcamcorder->snd_info.open_mutex);
+       g_cond_clear(&hcamcorder->snd_info.open_cond);
+       g_mutex_clear(&hcamcorder->restart_preview_lock);
+       g_mutex_clear(&hcamcorder->task_thread_lock);
+       g_cond_clear(&hcamcorder->task_thread_cond);
 
        /* Release handle */
        memset(hcamcorder, 0x00, sizeof(mmf_camcorder_t));
@@ -902,14 +775,17 @@ int _mmcamcorder_realize(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int ret_sound = MM_ERROR_NONE;
+       int ret_resource = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
        int state_FROM = MM_CAMCORDER_STATE_NULL;
        int state_TO = MM_CAMCORDER_STATE_READY;
-       int display_surface_type = MM_DISPLAY_SURFACE_X;
+       int display_surface_type = MM_DISPLAY_SURFACE_OVERLAY;
        int pid_for_sound_focus = 0;
        double motion_rate = _MMCAMCORDER_DEFAULT_RECORDING_MOTION_RATE;
        char *videosink_element_type = NULL;
        const char *videosink_name = NULL;
+       char *socket_path = NULL;
+       int socket_path_len;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -942,45 +818,25 @@ int _mmcamcorder_realize(MMHandleType handle)
        _mmcam_dbg_log("Profile mode [%d]", hcamcorder->type);
 
        mm_camcorder_get_attributes(handle, NULL,
-                                   MMCAM_DISPLAY_SURFACE, &display_surface_type,
-                                   MMCAM_CAMERA_RECORDING_MOTION_RATE, &motion_rate,
-                                   MMCAM_PID_FOR_SOUND_FOCUS, &pid_for_sound_focus,
-                                   NULL);
+               MMCAM_DISPLAY_SURFACE, &display_surface_type,
+               MMCAM_CAMERA_RECORDING_MOTION_RATE, &motion_rate,
+               NULL);
 
-       /* set camera/recorder state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               if (vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_OPEN)) {
-                       _mmcam_dbg_log("VCONF ERROR %s : cur %d",strerror(errno),errno);
-                       if(errno == EPERM || errno == EACCES) {
-                               ret = MM_ERROR_COMMON_INVALID_PERMISSION;
-                               goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
-                       }
-               }
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_OPEN);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               if (vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_CREATED)) {
-                       _mmcam_dbg_log("VCONF ERROR %s : cur %d",strerror(errno),errno);
-                       if (errno == EPERM || errno == EACCES) {
-                               ret = MM_ERROR_COMMON_INVALID_PERMISSION;
-                               goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
-                       }
+       /* sound focus */
+       if (hcamcorder->sound_focus_register) {
+               mm_camcorder_get_attributes(handle, NULL,
+                                           MMCAM_PID_FOR_SOUND_FOCUS, &pid_for_sound_focus,
+                                           NULL);
+
+               if (pid_for_sound_focus == 0) {
+                       pid_for_sound_focus = getpid();
+                       _mmcam_dbg_warn("pid for sound focus is not set, use my pid %d", pid_for_sound_focus);
                }
 
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_CREATED);
-       }
+               /* acquire sound focus or set sound focus watch callback */
+               hcamcorder->acquired_focus = 0;
+               hcamcorder->sound_focus_watch_id = 0;
 
-       /* acquire sound focus or set sound focus watch callback */
-       if(hcamcorder->sound_focus_register) {
                /* check session flags */
                if (hcamcorder->session_flags & MM_SESSION_OPTION_PAUSE_OTHERS) {
                        /* acquire sound focus */
@@ -992,39 +848,37 @@ int _mmcamcorder_realize(MMHandleType handle)
 
                                /* TODO: MM_ERROR_POLICY_BLOCKED_BY_CALL, MM_ERROR_POLICY_BLOCKED_BY_ALARM*/
                                ret = MM_ERROR_POLICY_BLOCKED;
-
                                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
                        }
+
+                       hcamcorder->acquired_focus = FOCUS_FOR_BOTH;
                } else if (hcamcorder->session_flags & MM_SESSION_OPTION_UNINTERRUPTIBLE) {
                        /* do nothing */
                        _mmcam_dbg_log("SESSION_UNINTERRUPTIBLE - do nothing for sound focus");
                } else {
                        /* set sound focus watch callback */
-                       if (pid_for_sound_focus == 0) {
-                               _mmcam_dbg_warn("pid for sound focus is not set, so call getpid");
-                               pid_for_sound_focus = getpid();
-                       }
-
                        _mmcam_dbg_log("ETC - set sound focus watch callback - pid %d", pid_for_sound_focus);
 
                        ret_sound = mm_sound_set_focus_watch_callback_for_session(pid_for_sound_focus,
-                                                                                 FOCUS_FOR_BOTH,
-                                                                                 (mm_sound_focus_changed_watch_cb)_mmcamcorder_sound_focus_watch_cb,
-                                                                                 hcamcorder,
-                                                                                 &hcamcorder->sound_focus_watch_id);
+                                                                                 FOCUS_FOR_BOTH,
+                                                                                 (mm_sound_focus_changed_watch_cb)_mmcamcorder_sound_focus_watch_cb,
+                                                                                 hcamcorder,
+                                                                                 &hcamcorder->sound_focus_watch_id);
                        if (ret_sound != MM_ERROR_NONE) {
                                _mmcam_dbg_err("mm_sound_set_focus_watch_callback failed [0x%x]", ret_sound);
 
                                /* TODO: MM_ERROR_POLICY_BLOCKED_BY_CALL, MM_ERROR_POLICY_BLOCKED_BY_ALARM*/
                                ret = MM_ERROR_POLICY_BLOCKED;
-
                                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
                        }
 
                        _mmcam_dbg_log("sound focus watch cb id %d", hcamcorder->sound_focus_watch_id);
                }
+       } else {
+               _mmcam_dbg_log("no need to register sound focus");
        }
 
+
        /* alloc sub context */
        hcamcorder->sub_context = _mmcamcorder_alloc_subcontext(hcamcorder->type);
        if(!hcamcorder->sub_context) {
@@ -1053,8 +907,8 @@ int _mmcamcorder_realize(MMHandleType handle)
        }
 
        switch (display_surface_type) {
-       case MM_DISPLAY_SURFACE_X:
-               videosink_element_type = strdup("VideosinkElementX");
+       case MM_DISPLAY_SURFACE_OVERLAY:
+               videosink_element_type = strdup("VideosinkElementOverlay");
                break;
        case MM_DISPLAY_SURFACE_EVAS:
                videosink_element_type = strdup("VideosinkElementEvas");
@@ -1065,8 +919,18 @@ int _mmcamcorder_realize(MMHandleType handle)
        case MM_DISPLAY_SURFACE_NULL:
                videosink_element_type = strdup("VideosinkElementNull");
                break;
+       case MM_DISPLAY_SURFACE_REMOTE:
+               mm_camcorder_get_attributes(handle, NULL,
+                       MMCAM_DISPLAY_SOCKET_PATH, &socket_path, &socket_path_len,
+                       NULL);
+               if (socket_path == NULL) {
+                       _mmcam_dbg_warn("REMOTE surface, but socket path is NULL -> to NullSink");
+                       videosink_element_type = strdup("VideosinkElementNull");
+               } else
+                       videosink_element_type = strdup("VideosinkElementRemote");
+               break;
        default:
-               videosink_element_type = strdup("VideosinkElementX");
+               videosink_element_type = strdup("VideosinkElementOverlay");
                break;
        }
 
@@ -1103,8 +967,40 @@ int _mmcamcorder_realize(MMHandleType handle)
                                        &(hcamcorder->sub_context->SensorEncodedCapture));
        _mmcam_dbg_log("Support sensor encoded capture : %d", hcamcorder->sub_context->SensorEncodedCapture);
 
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               /* prepare resource manager for camera */
+               if((_mmcamcorder_resource_manager_prepare(&hcamcorder->resource_manager, RESOURCE_TYPE_CAMERA))) {
+                       _mmcam_dbg_err("could not prepare for camera resource");
+                       ret = MM_ERROR_CAMCORDER_INTERNAL;
+                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+               }
+
+               /* prepare resource manager for "video_overlay only if display surface is X" */
+               mm_camcorder_get_attributes(handle, NULL,
+                                            MMCAM_DISPLAY_SURFACE, &display_surface_type,
+                                            NULL);
+               if(display_surface_type == MM_DISPLAY_SURFACE_OVERLAY) {
+                       if((_mmcamcorder_resource_manager_prepare(&hcamcorder->resource_manager, RESOURCE_TYPE_VIDEO_OVERLAY))) {
+                               _mmcam_dbg_err("could not prepare for video overlay resource");
+                               ret = MM_ERROR_CAMCORDER_INTERNAL;
+                               goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+                       }
+               }
+               /* acquire resources */
+               if((hcamcorder->resource_manager.rset && _mmcamcorder_resource_manager_acquire(&hcamcorder->resource_manager))) {
+                       _mmcam_dbg_err("could not acquire resources");
+                       _mmcamcorder_resource_manager_unprepare(&hcamcorder->resource_manager);
+                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+               }
+       }
+
        /* create pipeline */
+       traceBegin(TTRACE_TAG_CAMERA, "MMCAMCORDER:REALIZE:CREATE_PIPELINE");
+
        ret = _mmcamcorder_create_pipeline(handle, hcamcorder->type);
+
+       traceEnd(TTRACE_TAG_CAMERA);
+
        if (ret != MM_ERROR_NONE) {
                /* check internal error of gstreamer */
                if (hcamcorder->error_code != MM_ERROR_NONE) {
@@ -1134,37 +1030,44 @@ int _mmcamcorder_realize(MMHandleType handle)
        return MM_ERROR_NONE;
 
 _ERR_CAMCORDER_CMD:
-       /* rollback camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_NULL);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_NULL);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_NULL);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_NULL);
+       /* release hw resources */
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               ret_resource = _mmcamcorder_resource_manager_release(&hcamcorder->resource_manager);
+               if (ret_resource == MM_ERROR_RESOURCE_INVALID_STATE) {
+                       _mmcam_dbg_warn("it could be in the middle of resource callback or there's no acquired resource");
+               }
+               else if (ret_resource != MM_ERROR_NONE) {
+                       _mmcam_dbg_err("failed to release resource, ret_resource(0x%x)", ret_resource);
+               }
+               ret_resource = _mmcamcorder_resource_manager_unprepare(&hcamcorder->resource_manager);
+               if (ret_resource != MM_ERROR_NONE) {
+                       _mmcam_dbg_err("failed to unprepare resource manager, ret_resource(0x%x)", ret_resource);
+               }
        }
 
 _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK:
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
-       if (hcamcorder->sound_focus_watch_id > 0) {
-               ret_sound = mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
-               if (ret_sound != MM_ERROR_NONE) {
-                       _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback failed [0x%x]", ret_sound);
+       if (hcamcorder->sound_focus_register) {
+               if (hcamcorder->sound_focus_watch_id > 0) {
+                       if (mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id) != MM_ERROR_NONE) {
+                               _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback[id %d] failed",
+                                               hcamcorder->sound_focus_watch_id);
+                       } else {
+                               _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback[id %d] done",
+                                               hcamcorder->sound_focus_watch_id);
+                       }
                }
 
-               hcamcorder->sound_focus_watch_id = 0;
+               if (hcamcorder->acquired_focus > 0) {
+                               if (mm_sound_release_focus(0, hcamcorder->acquired_focus, NULL) != MM_ERROR_NONE) {
+                                       _mmcam_dbg_err("mm_sound_release_focus[focus %d] failed",
+                                                      hcamcorder->acquired_focus);
+                               } else {
+                                       _mmcam_dbg_err("mm_sound_release_focus[focus %d] done",
+                                                      hcamcorder->acquired_focus);
+                               }
+               }
        }
 
 _ERR_CAMCORDER_CMD_PRECON:
@@ -1214,64 +1117,62 @@ int _mmcamcorder_unrealize(MMHandleType handle)
                hcamcorder->sub_context = NULL;
        }
 
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               ret = _mmcamcorder_resource_manager_release(&hcamcorder->resource_manager);
+               if (ret == MM_ERROR_RESOURCE_INVALID_STATE) {
+                       _mmcam_dbg_warn("it could be in the middle of resource callback or there's no acquired resource");
+                       ret = MM_ERROR_NONE;
+               } else if (ret != MM_ERROR_NONE) {
+                       _mmcam_dbg_err("failed to release resource, ret(0x%x)", ret);
+                       ret = MM_ERROR_CAMCORDER_INTERNAL;
+                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+               }
+               ret = _mmcamcorder_resource_manager_unprepare(&hcamcorder->resource_manager);
+               if (ret != MM_ERROR_NONE) {
+                       _mmcam_dbg_err("failed to unprepare resource manager, ret(0x%x)", ret);
+               }
+       }
+
        /* Deinitialize main context member */
        hcamcorder->command = NULL;
 
-       /* check who calls unrealize. it's no need to do nothing if caller is sound focus callback */
-       if (hcamcorder->state_change_by_system != _MMCAMCORDER_STATE_CHANGE_BY_ASM) {
-               /* release sound focus or unset sound focus watch callback */
-               if(hcamcorder->sound_focus_register) {
-                       int ret_sound = MM_ERROR_NONE;
+       _mmcam_dbg_log("focus register %d, session flag 0x%x, state_change_by_system %d",
+                      hcamcorder->sound_focus_register, hcamcorder->session_flags, hcamcorder->state_change_by_system);
 
-                       /* check session flags */
-                       if (hcamcorder->session_flags & MM_SESSION_OPTION_PAUSE_OTHERS) {
-                               /* release sound focus */
-                               _mmcam_dbg_log("PAUSE_OTHERS - release sound focus");
+       /* release sound focus or unset sound focus watch callback */
+       if (hcamcorder->sound_focus_register) {
+               int ret_sound = MM_ERROR_NONE;
 
-                               ret_sound = mm_sound_release_focus(0, FOCUS_FOR_BOTH, NULL);
-                               if (ret_sound != MM_ERROR_NONE) {
-                                       _mmcam_dbg_warn("mm_sound_release_focus failed [0x%x]", ret_sound);
-                               }
-                       } else if (hcamcorder->session_flags & MM_SESSION_OPTION_UNINTERRUPTIBLE) {
-                               /* do nothing */
-                               _mmcam_dbg_log("SESSION_UNINTERRUPTIBLE - do nothing for sound focus");
-                       } else {
-                               /* unset sound focus watch callback */
-                               _mmcam_dbg_log("ETC - unset sound focus watch callback - id %d", hcamcorder->sound_focus_watch_id);
+               _mmcam_dbg_log("state_change_by_system %d, session flag 0x%x, acquired_focus %d, sound_focus_id %d, sound_focus_watch_id %d",
+                              hcamcorder->state_change_by_system, hcamcorder->session_flags, hcamcorder->acquired_focus,
+                              hcamcorder->sound_focus_id, hcamcorder->sound_focus_watch_id);
 
-                               if (hcamcorder->sound_focus_watch_id > 0) {
-                                       ret_sound = mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
-                                       if (ret_sound != MM_ERROR_NONE) {
-                                               _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback failed [0x%x]", ret_sound);
-                                       }
-                               } else {
-                                       _mmcam_dbg_warn("invalid sound focus id %d", hcamcorder->sound_focus_watch_id);
-                               }
-
-                               hcamcorder->sound_focus_watch_id = 0;
+               if (hcamcorder->state_change_by_system != _MMCAMCORDER_STATE_CHANGE_BY_ASM &&
+                   hcamcorder->sound_focus_watch_id > 0) {
+                       ret_sound = mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+                       if (ret_sound != MM_ERROR_NONE) {
+                               _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback failed [0x%x]",
+                                               ret_sound);
+                       } else {
+                               _mmcam_dbg_warn("mm_sound_unset_focus_watch_callback done");
                        }
+               } else {
+                       _mmcam_dbg_warn("no need to unset watch callback.[state_change_by_system %d, sound_focus_watch_id %d]",
+                                       hcamcorder->state_change_by_system, hcamcorder->sound_focus_watch_id);
                }
-       }
 
-       /* set camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_NULL);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_NULL);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_NULL);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_NULL);
+               if (hcamcorder->acquired_focus > 0) {
+                       ret_sound = mm_sound_release_focus(0, hcamcorder->acquired_focus, NULL);
+                       if (ret_sound != MM_ERROR_NONE) {
+                               _mmcam_dbg_warn("mm_sound_release_focus failed [0x%x]",
+                                               ret_sound);
+                       } else {
+                               _mmcam_dbg_log("mm_sound_release_focus done");
+                       }
+               } else {
+                       _mmcam_dbg_warn("no need to release focus - current acquired focus %d",
+                                       hcamcorder->acquired_focus);
+               }
        }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
@@ -1330,6 +1231,19 @@ int _mmcamcorder_start(MMHandleType handle)
 
        /* set attributes related sensor */
        if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
+               /* init for gdbus */
+               hcamcorder->gdbus_conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, NULL);
+               if (hcamcorder->gdbus_conn == NULL) {
+                       _mmcam_dbg_err("failed to get gdbus");
+                       ret = MM_ERROR_CAMCORDER_RESOURCE_CREATION;
+                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+               }
+
+               g_mutex_init(&hcamcorder->gdbus_info_sound.sync_mutex);
+               g_cond_init(&hcamcorder->gdbus_info_sound.sync_cond);
+               g_mutex_init(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
+               g_cond_init(&hcamcorder->gdbus_info_solo_sound.sync_cond);
+
                _mmcamcorder_set_attribute_to_camsensor(handle);
        }
 
@@ -1345,24 +1259,21 @@ int _mmcamcorder_start(MMHandleType handle)
 
        _mmcamcorder_set_state(handle, state_TO);
 
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* check camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-
-               /* set camera state to vconf key */
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_PREVIEW);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_PREVIEW);
-       }
-
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        return MM_ERROR_NONE;
 
 _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK:
+       if (hcamcorder->gdbus_conn) {
+               g_object_unref(hcamcorder->gdbus_conn);
+               hcamcorder->gdbus_conn = NULL;
+
+               g_mutex_clear(&hcamcorder->gdbus_info_sound.sync_mutex);
+               g_cond_clear(&hcamcorder->gdbus_info_sound.sync_cond);
+               g_mutex_clear(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
+               g_cond_clear(&hcamcorder->gdbus_info_solo_sound.sync_cond);
+       }
+
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
 _ERR_CAMCORDER_CMD_PRECON:
@@ -1418,16 +1329,31 @@ int _mmcamcorder_stop(MMHandleType handle)
        _mmcamcorder_set_state(handle, state_TO);
 
        if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
+               g_mutex_lock(&hcamcorder->gdbus_info_sound.sync_mutex);
+               if (hcamcorder->gdbus_info_sound.subscribe_id > 0) {
+                       _mmcam_dbg_warn("subscribe_id[%u] is remained. remove it.",
+                               hcamcorder->gdbus_info_sound.subscribe_id);
+                       g_dbus_connection_signal_unsubscribe(hcamcorder->gdbus_conn,
+                               hcamcorder->gdbus_info_sound.subscribe_id);
+               }
+               g_mutex_unlock(&hcamcorder->gdbus_info_sound.sync_mutex);
 
-               /* check camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
+               g_mutex_lock(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
+               if (hcamcorder->gdbus_info_solo_sound.subscribe_id > 0) {
+                       _mmcam_dbg_warn("subscribe_id[%u] is remained. remove it.",
+                               hcamcorder->gdbus_info_solo_sound.subscribe_id);
+                       g_dbus_connection_signal_unsubscribe(hcamcorder->gdbus_conn,
+                               hcamcorder->gdbus_info_solo_sound.subscribe_id);
+               }
+               g_mutex_unlock(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
 
-               /* set camera state to vconf key */
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_OPEN);
+               g_object_unref(hcamcorder->gdbus_conn);
+               hcamcorder->gdbus_conn = NULL;
 
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_OPEN);
+               g_mutex_clear(&hcamcorder->gdbus_info_sound.sync_mutex);
+               g_cond_clear(&hcamcorder->gdbus_info_sound.sync_cond);
+               g_mutex_clear(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
+               g_cond_clear(&hcamcorder->gdbus_info_solo_sound.sync_cond);
        }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
@@ -1487,16 +1413,16 @@ int _mmcamcorder_capture_start(MMHandleType handle)
                        ret = MM_ERROR_CAMCORDER_DEVICE_BUSY;
                        goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
                } else {
-                       pthread_mutex_lock(&(hcamcorder->task_thread_lock));
+                       g_mutex_lock(&hcamcorder->task_thread_lock);
                        if (hcamcorder->task_thread_state == _MMCAMCORDER_TASK_THREAD_STATE_NONE) {
                                hcamcorder->capture_in_recording = TRUE;
                                hcamcorder->task_thread_state = _MMCAMCORDER_TASK_THREAD_STATE_CHECK_CAPTURE_IN_RECORDING;
                                _mmcam_dbg_log("send signal for capture in recording");
-                               pthread_cond_signal(&(hcamcorder->task_thread_cond));
-                               pthread_mutex_unlock(&(hcamcorder->task_thread_lock));
+                               g_cond_signal(&hcamcorder->task_thread_cond);
+                               g_mutex_unlock(&hcamcorder->task_thread_lock);
                        } else {
                                _mmcam_dbg_err("task thread busy : %d", hcamcorder->task_thread_state);
-                               pthread_mutex_unlock(&(hcamcorder->task_thread_lock));
+                               g_mutex_unlock(&hcamcorder->task_thread_lock);
                                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
                        }
@@ -1635,27 +1561,6 @@ int _mmcamcorder_record(MMHandleType handle)
 
        _mmcamcorder_set_state(handle, state_TO);
 
-       /* set camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_RECORDING);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_RECORDING);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_RECORDING);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_RECORDING);
-       }
-
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        return MM_ERROR_NONE;
@@ -1716,27 +1621,6 @@ int _mmcamcorder_pause(MMHandleType handle)
 
        _mmcamcorder_set_state(handle, state_TO);
 
-       /* set camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_RECORDING_PAUSE);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_RECORDING_PAUSE);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_RECORDING_PAUSE);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_RECORDING_PAUSE);
-       }
-
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        return MM_ERROR_NONE;
@@ -1789,27 +1673,6 @@ int _mmcamcorder_commit(MMHandleType handle)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
        }
 
-       /* set camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_PREVIEW);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_PREVIEW);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_CREATED);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_CREATED);
-       }
-
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        _mmcamcorder_set_state(handle,state_TO);
@@ -1866,27 +1729,6 @@ int _mmcamcorder_cancel(MMHandleType handle)
 
        _mmcamcorder_set_state(handle, state_TO);
 
-       /* set camera state to vconf key */
-       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
-               int vconf_camera_state = 0;
-
-               /* get current camera state of vconf key */
-               vconf_get_int(VCONFKEY_CAMERA_STATE, &vconf_camera_state);
-               vconf_set_int(VCONFKEY_CAMERA_STATE, VCONFKEY_CAMERA_STATE_PREVIEW);
-
-               _mmcam_dbg_log("VCONFKEY_CAMERA_STATE prev %d -> cur %d",
-                              vconf_camera_state, VCONFKEY_CAMERA_STATE_PREVIEW);
-       } else {
-               int vconf_recorder_state = 0;
-
-               /* get current recorder state of vconf key */
-               vconf_get_int(VCONFKEY_RECORDER_STATE, &vconf_recorder_state);
-               vconf_set_int(VCONFKEY_RECORDER_STATE, VCONFKEY_RECORDER_STATE_CREATED);
-
-               _mmcam_dbg_log("VCONFKEY_RECORDER_STATE prev %d -> cur %d",
-                              vconf_recorder_state, VCONFKEY_RECORDER_STATE_CREATED);
-       }
-
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        return MM_ERROR_NONE;
@@ -2075,6 +1917,7 @@ int _mmcamcorder_init_focusing(MMHandleType handle)
        control = GST_CAMERA_CONTROL (sc->element[_MMCAMCORDER_VIDEOSRC_SRC].gst);
        if (control == NULL) {
                _mmcam_dbg_err("cast CAMERA_CONTROL failed");
+               _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
                return MM_ERROR_CAMCORDER_INTERNAL;
        }
 
@@ -2387,7 +2230,7 @@ __mmcamcorder_gstreamer_init(camera_conf * conf)
        /* release */
        for (i = 0; i < *argc; i++) {
                if (argv[i]) {
-                       free(argv[i]);
+                       g_free(argv[i]);
                        argv[i] = NULL;
                }
        }
@@ -2458,8 +2301,23 @@ void _mmcamcorder_set_state(MMHandleType handle, int state)
 
                _mmcam_dbg_log("set state[%d] and send state-changed message", state);
 
-               msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED;
-               msg.param.state.code = MM_ERROR_NONE;
+               /* To discern who changes the state */
+               switch (hcamcorder->state_change_by_system) {
+               case _MMCAMCORDER_STATE_CHANGE_BY_ASM:
+                       msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED_BY_ASM;
+                       msg.param.state.code = hcamcorder->interrupt_code;
+                       break;
+               case _MMCAMCORDER_STATE_CHANGE_BY_RM:
+                       msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED_BY_RM;
+                       msg.param.state.code = MM_ERROR_NONE;
+                       break;
+               case _MMCAMCORDER_STATE_CHANGE_NORMAL:
+               default:
+                       msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED;
+                       msg.param.state.code = MM_ERROR_NONE;
+                       break;
+               }
+
                msg.param.state.previous = old_state;
                msg.param.state.current = state;
 
@@ -2507,32 +2365,29 @@ _MMCamcorderSubContext *_mmcamcorder_alloc_subcontext(int type)
        /* alloc info for each mode */
        switch (type) {
        case MM_CAMCORDER_MODE_AUDIO:
-               sc->info_audio = malloc( sizeof(_MMCamcorderAudioInfo));
+               sc->info_audio = g_malloc0( sizeof(_MMCamcorderAudioInfo));
                if(!sc->info_audio) {
                        _mmcam_dbg_err("Failed to alloc info structure");
                        goto ALLOC_SUBCONTEXT_FAILED;
                }
-               memset(sc->info_audio, 0x00, sizeof(_MMCamcorderAudioInfo));
                break;
        case MM_CAMCORDER_MODE_VIDEO_CAPTURE:
        default:
-               sc->info_image = malloc( sizeof(_MMCamcorderImageInfo));
+               sc->info_image = g_malloc0( sizeof(_MMCamcorderImageInfo));
                if(!sc->info_image) {
                        _mmcam_dbg_err("Failed to alloc info structure");
                        goto ALLOC_SUBCONTEXT_FAILED;
                }
-               memset(sc->info_image, 0x00, sizeof(_MMCamcorderImageInfo));
 
                /* init sound status */
                sc->info_image->sound_status = _SOUND_STATUS_INIT;
 
-               sc->info_video = malloc( sizeof(_MMCamcorderVideoInfo));
+               sc->info_video = g_malloc0( sizeof(_MMCamcorderVideoInfo));
                if(!sc->info_video) {
                        _mmcam_dbg_err("Failed to alloc info structure");
                        goto ALLOC_SUBCONTEXT_FAILED;
                }
-               memset(sc->info_video, 0x00, sizeof(_MMCamcorderVideoInfo));
-               pthread_mutex_init(&(sc->info_video->size_check_lock), NULL);
+               g_mutex_init(&sc->info_video->size_check_lock);
                break;
        }
 
@@ -2569,19 +2424,12 @@ _MMCamcorderSubContext *_mmcamcorder_alloc_subcontext(int type)
 
 ALLOC_SUBCONTEXT_FAILED:
        if (sc) {
-               if (sc->info_audio) {
-                       free(sc->info_audio);
-                       sc->info_audio = NULL;
-               }
-               if (sc->info_image) {
-                       free(sc->info_image);
-                       sc->info_image = NULL;
-               }
+               SAFE_G_FREE(sc->info_audio);
+               SAFE_G_FREE(sc->info_image);
                if (sc->info_video) {
-                       pthread_mutex_destroy(&(sc->info_video->size_check_lock));
-                       free(sc->info_video);
-                       sc->info_video = NULL;
+                       g_mutex_clear(&sc->info_video->size_check_lock);
                }
+               SAFE_G_FREE(sc->info_video);
                if (sc->element) {
                        free(sc->element);
                        sc->element = NULL;
@@ -2623,21 +2471,15 @@ void _mmcamcorder_dealloc_subcontext(_MMCamcorderSubContext *sc)
 
                if (sc->info_video) {
                        _mmcam_dbg_log("release info_video");
-                       if (sc->info_video->filename) {
-                               free(sc->info_video->filename);
-                               sc->info_video->filename = NULL;
-                       }
-                       pthread_mutex_destroy(&(sc->info_video->size_check_lock));
+                       SAFE_G_FREE(sc->info_video->filename);
+                       g_mutex_clear(&sc->info_video->size_check_lock);
                        free(sc->info_video);
                        sc->info_video = NULL;
                }
 
                if (sc->info_audio) {
                        _mmcam_dbg_log("release info_audio");
-                       if (sc->info_audio->filename) {
-                               free(sc->info_audio->filename);
-                               sc->info_audio->filename = NULL;
-                       }
+                       SAFE_G_FREE(sc->info_audio->filename);
                        free(sc->info_audio);
                        sc->info_audio = NULL;
                }
@@ -2965,13 +2807,10 @@ GstBusSyncReply _mmcamcorder_pipeline_bus_sync_callback(GstBus *bus, GstMessage
                                goto DROP_MESSAGE;
                        }
 
-                       cam_fd_info = (MMCamFaceDetectInfo *)malloc(sizeof(MMCamFaceDetectInfo));
+                       cam_fd_info = (MMCamFaceDetectInfo *)g_malloc(sizeof(MMCamFaceDetectInfo));
                        if (cam_fd_info == NULL) {
                                _mmcam_dbg_warn("cam_fd_info alloc failed");
-
-                               free(fd_info);
-                               fd_info = NULL;
-
+                               SAFE_FREE(fd_info);
                                goto DROP_MESSAGE;
                        }
 
@@ -2979,7 +2818,7 @@ GstBusSyncReply _mmcamcorder_pipeline_bus_sync_callback(GstBus *bus, GstMessage
                        cam_fd_info->num_of_faces = fd_info->num_of_faces;
 
                        if (cam_fd_info->num_of_faces > 0) {
-                               cam_fd_info->face_info = (MMCamFaceInfo *)malloc(sizeof(MMCamFaceInfo) * cam_fd_info->num_of_faces);
+                               cam_fd_info->face_info = (MMCamFaceInfo *)g_malloc(sizeof(MMCamFaceInfo) * cam_fd_info->num_of_faces);
                                if (cam_fd_info->face_info) {
                                        /* set information of each face */
                                        for (i = 0 ; i < fd_info->num_of_faces ; i++) {
@@ -3003,8 +2842,7 @@ GstBusSyncReply _mmcamcorder_pipeline_bus_sync_callback(GstBus *bus, GstMessage
                                        _mmcam_dbg_warn("MMCamFaceInfo alloc failed");
 
                                        /* free allocated memory that is not sent */
-                                       free(cam_fd_info);
-                                       cam_fd_info = NULL;
+                                       SAFE_G_FREE(cam_fd_info);
                                }
                        } else {
                                cam_fd_info->face_info = NULL;
@@ -3032,7 +2870,7 @@ GstBusSyncReply _mmcamcorder_pipeline_bus_sync_callback(GstBus *bus, GstMessage
                                sc = MMF_CAMCORDER_SUBCONTEXT(hcamcorder);
                                if (sc && sc->info_image) {
                                        /* play capture sound */
-                                       _mmcamcorder_sound_solo_play((MMHandleType)hcamcorder, _MMCAMCORDER_FILEPATH_CAPTURE_SND, FALSE);
+                                       _mmcamcorder_sound_solo_play((MMHandleType)hcamcorder, _MMCAMCORDER_SAMPLE_SOUND_NAME_CAPTURE01, FALSE);
                                }
                        }
 
@@ -3130,11 +2968,8 @@ void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
                return;
        }
 
-       /* set value to inform a status is changed by asm */
-       hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_ASM;
-
        _mmcam_dbg_log("sound focus callback : focus state %d, reason %s",
-                      focus_state, reason_for_change ? reason_for_change : "N/A");
+                      focus_state, reason_for_change ? reason_for_change : "N/A");
 
        if (hcamcorder->session_flags & MM_SESSION_OPTION_UNINTERRUPTIBLE) {
                _mmcam_dbg_warn("session flag is UNINTERRUPTIBLE. do nothing.");
@@ -3143,8 +2978,26 @@ void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
 
        _MMCAMCORDER_LOCK_ASM(hcamcorder);
 
+       /* set value to inform a status is changed by asm */
+       hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_ASM;
+
+       /* check the reason */
+       if (!strncmp(reason_for_change, "ringtone-voip", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "ringtone-call", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "voip", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "call-voice", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN)) {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_CALL_START;
+       } else if (!strncmp(reason_for_change, "alarm", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN)) {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_ALARM_START;
+       } else {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_MEDIA;
+       }
+
        if (focus_state == FOCUS_IS_RELEASED) {
-               _mmcam_dbg_log("FOCUS is released : Stop pipeline[state:%d]", current_state);
+               hcamcorder->acquired_focus &= ~focus_type;
+
+               _mmcam_dbg_log("FOCUS is released [type %d, remained focus %d] : Stop pipeline[state:%d]",
+                              focus_type, hcamcorder->acquired_focus, current_state);
 
                __mmcamcorder_force_stop(hcamcorder);
 
@@ -3152,7 +3005,10 @@ void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
        } else if (focus_state == FOCUS_IS_ACQUIRED) {
                _MMCamcorderMsgItem msg;
 
-               _mmcam_dbg_log("FOCUS is acquired");
+               hcamcorder->acquired_focus |= focus_type;
+
+               _mmcam_dbg_log("FOCUS is acquired [type %d, new focus %d]",
+                              focus_type, hcamcorder->acquired_focus);
 
                msg.id = MM_MESSAGE_READY_TO_RESUME;
                _mmcamcorder_send_message((MMHandleType)hcamcorder, &msg);
@@ -3186,9 +3042,6 @@ void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_soun
                return;
        }
 
-       /* set value to inform a status is changed by asm */
-       hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_ASM;
-
        _mmcam_dbg_log("sound focus watch callback : focus state %d, reason %s",
                       focus_state, reason_for_change ? reason_for_change : "N/A");
 
@@ -3199,6 +3052,21 @@ void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_soun
 
        _MMCAMCORDER_LOCK_ASM(hcamcorder);
 
+       /* set value to inform a status is changed by asm */
+       hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_ASM;
+
+       /* check the reason */
+       if (!strncmp(reason_for_change, "ringtone-voip", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "ringtone-call", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "voip", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN) ||
+           !strncmp(reason_for_change, "call-voice", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN)) {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_CALL_START;
+       } else if (!strncmp(reason_for_change, "alarm", __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN)) {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_ALARM_START;
+       } else {
+               hcamcorder->interrupt_code = MM_MSG_CODE_INTERRUPTED_BY_MEDIA;
+       }
+
        if (focus_state == FOCUS_IS_RELEASED) {
                _MMCamcorderMsgItem msg;
 
@@ -3267,7 +3135,11 @@ int _mmcamcorder_create_pipeline(MMHandleType handle, int type)
 
        pipeline = sc->element[_MMCAMCORDER_MAIN_PIPE].gst;
        if (type != MM_CAMCORDER_MODE_AUDIO) {
+               traceBegin(TTRACE_TAG_CAMERA, "MMCAMCORDER:REALIZE:SET_READY_TO_PIPELINE");
+
                ret = _mmcamcorder_gst_set_state(handle, pipeline, GST_STATE_READY);
+
+               traceEnd(TTRACE_TAG_CAMERA);
        }
 #ifdef _MMCAMCORDER_GET_DEVICE_INFO
        if (!_mmcamcorder_get_device_info(handle)) {
@@ -3405,7 +3277,7 @@ int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstSta
        GstStateChangeReturn setChangeReturn = GST_STATE_CHANGE_FAILURE;
        GstStateChangeReturn getChangeReturn = GST_STATE_CHANGE_FAILURE;
        GstClockTime get_timeout = __MMCAMCORDER_SET_GST_STATE_TIMEOUT * GST_SECOND;
-       pthread_mutex_t *state_lock = NULL;
+       GMutex *state_lock = NULL;
 
        mmf_return_val_if_fail(handle, MM_ERROR_CAMCORDER_NOT_INITIALIZED);
        sc = MMF_CAMCORDER_SUBCONTEXT(handle);
@@ -3419,7 +3291,7 @@ int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstSta
                state_lock = &_MMCAMCORDER_GET_GST_ENCODE_STATE_LOCK(handle);
        }
 
-       pthread_mutex_lock(state_lock);
+       g_mutex_lock(state_lock);
 
        for (k = 0; k < _MMCAMCORDER_STATE_SET_COUNT; k++) {
                setChangeReturn = gst_element_set_state(pipeline, target_state);
@@ -3434,7 +3306,7 @@ int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstSta
                                /* if we reached the final target state, exit */
                                if (pipeline_state == target_state) {
                                        _mmcam_dbg_log("Set state to %d - DONE", target_state);
-                                       pthread_mutex_unlock(state_lock);
+                                       g_mutex_unlock(state_lock);
                                        return MM_ERROR_NONE;
                                }
                                break;
@@ -3442,12 +3314,12 @@ int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstSta
                                _mmcam_dbg_log("status=GST_STATE_CHANGE_ASYNC.");
                                break;
                        default:
-                               pthread_mutex_unlock(state_lock);
+                               g_mutex_unlock(state_lock);
                                _mmcam_dbg_log("status=GST_STATE_CHANGE_FAILURE.");
                                return MM_ERROR_CAMCORDER_GST_STATECHANGE;
                        }
 
-                       pthread_mutex_unlock(state_lock);
+                       g_mutex_unlock(state_lock);
 
                        _mmcam_dbg_err("timeout of gst_element_get_state()!!");
 
@@ -3457,7 +3329,7 @@ int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstSta
                usleep(_MMCAMCORDER_STATE_CHECK_INTERVAL);
        }
 
-       pthread_mutex_unlock(state_lock);
+       g_mutex_unlock(state_lock);
 
        _mmcam_dbg_err("Failure. gst_element_set_state timeout!!");
 
@@ -3973,3 +3845,31 @@ static gint __mmcamcorder_gst_handle_resource_warning(MMHandleType handle, GstMe
 
        return MM_ERROR_NONE;
 }
+
+int _mmcamcorder_get_video_caps(MMHandleType handle, char **caps)
+{
+       GstPad *pad = NULL;
+       GstCaps *sink_caps = NULL;
+       _MMCamcorderSubContext *sc = NULL;
+
+       sc = MMF_CAMCORDER_SUBCONTEXT(handle);
+       _mmcam_dbg_warn("Entered ");
+       pad = gst_element_get_static_pad(sc->element[_MMCAMCORDER_VIDEOSINK_SINK].gst, "sink");
+       if(!pad) {
+               _mmcam_dbg_err("static pad is NULL");
+               return MM_ERROR_CAMCORDER_INVALID_STATE;
+       }
+
+       sink_caps = gst_pad_get_current_caps(pad);
+       gst_object_unref( pad );
+       if(!sink_caps) {
+               _mmcam_dbg_err("fail to get caps");
+               return MM_ERROR_CAMCORDER_INVALID_STATE;
+       }
+
+       *caps = gst_caps_to_string(sink_caps);
+       _mmcam_dbg_err("video caps : %s", *caps);
+       gst_caps_unref(sink_caps);
+
+       return MM_ERROR_NONE;
+}