The error type of resource manager query is fixed
[platform/core/multimedia/libmm-camcorder.git] / src / mm_camcorder_internal.c
index c14a0d1..ae2dcbc 100644 (file)
@@ -39,8 +39,6 @@
 #include <asm/types.h>
 
 #include <system_info.h>
-#include <mm_session.h>
-#include <mm_session_private.h>
 
 #ifdef _MMCAMCORDER_MURPHY_SUPPORT
 #include <murphy/common/glib-glue.h>
 #define __MMCAMCORDER_RESOURCE_WAIT_TIME        5
 #endif /* _MMCAMCORDER_MURPHY_SUPPORT */
 
+#define __MMCAMCORDER_DBUS_OBJECT               "/org/tizen/MMCamcorder"
+#define __MMCAMCORDER_DBUS_INTERFACE_CAMERA     "org.tizen.MMCamcorder.Camera"
+#define __MMCAMCORDER_DBUS_INTERFACE_RECORDER   "org.tizen.MMCamcorder.Recorder"
+#define __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED "DeviceStateChanged"
+
+enum {
+       CAMERA_DEVICE_STATE_NULL = 0,   /**< Not opened */
+       CAMERA_DEVICE_STATE_OPENED,     /**< Opened */
+       CAMERA_DEVICE_STATE_WORKING     /**< Now previewing or capturing or is being used for video recording */
+};
+
+enum {
+       RECORDER_TYPE_AUDIO = 0,        /**< Audio only recorder */
+       RECORDER_TYPE_VIDEO             /**< Video recorder (audio is optional) */
+};
+
+enum {
+       RECORDER_DEVICE_STATE_NULL = 0,     /**< No recorder is working */
+       RECORDER_DEVICE_STATE_RECORDING,    /**< Now recording */
+       RECORDER_DEVICE_STATE_PAUSED        /**< All recordings are paused */
+};
+
 
 /*---------------------------------------------------------------------------------------
 |    LOCAL FUNCTION PROTOTYPES:                                                                |
@@ -163,6 +183,14 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        g_cond_init(&hcamcorder->task_thread_cond);
        hcamcorder->task_thread_state = _MMCAMCORDER_SOUND_STATE_NONE;
 
+       if (info->videodev_type != MM_VIDEO_DEVICE_NONE) {
+               /* init for gdbus */
+               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);
+       }
+
        /* create task thread */
        hcamcorder->task_thread = g_thread_try_new("MMCAM_TASK_THREAD",
                (GThreadFunc)_mmcamcorder_util_task_thread_func, (gpointer)hcamcorder, NULL);
@@ -183,31 +211,6 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        hcamcorder->device_type = info->videodev_type;
        _mmcam_dbg_warn("Device Type : %d", hcamcorder->device_type);
 
-       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;
-
-               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;
-               }
-
-               ret = mm_sound_register_focus_for_session(hcamcorder->sound_focus_id,
-                       getpid(), "media", _mmcamcorder_sound_focus_cb, hcamcorder);
-               if (ret != MM_ERROR_NONE) {
-                       _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;
-       }
-
        /* Get Camera Configure information from Camcorder INI file */
        ret = _mmcamcorder_conf_get_info((MMHandleType)hcamcorder, CONFIGURE_TYPE_MAIN, CONFIGURE_MAIN_FILE, &hcamcorder->conf_main);
        if (ret != MM_ERROR_NONE) {
@@ -223,18 +226,18 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                goto _ERR_DEFAULT_VALUE_INIT;
        }
 
-       /* get DPM context for camera/microphone restriction */
-       hcamcorder->dpm_context = dpm_context_create();
-       if (hcamcorder->dpm_context) {
-               hcamcorder->dpm_policy = dpm_context_acquire_restriction_policy(hcamcorder->dpm_context);
-               if (hcamcorder->dpm_policy == NULL) {
-                       _mmcam_dbg_err("dpm_context_acquire_restriction_policy failed");
-                       dpm_context_destroy(hcamcorder->dpm_context);
-                       hcamcorder->dpm_context = NULL;
-               }
+       /* 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_DEFAULT_VALUE_INIT;
        }
 
-       _mmcam_dbg_warn("DPM context %p, policy %p", hcamcorder->dpm_context, hcamcorder->dpm_policy);
+       /* get DPM handle for camera/microphone restriction */
+       hcamcorder->dpm_handle = dpm_manager_create();
+
+       _mmcam_dbg_warn("DPM handle %p", hcamcorder->dpm_handle);
 
        if (info->videodev_type != MM_VIDEO_DEVICE_NONE) {
                _mmcamcorder_conf_get_value_int((MMHandleType)hcamcorder, hcamcorder->conf_main,
@@ -412,8 +415,8 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                }
 
                /* add DPM camera policy changed callback */
-               if (hcamcorder->dpm_context) {
-                       ret = dpm_context_add_policy_changed_cb(hcamcorder->dpm_context, "camera",
+               if (hcamcorder->dpm_handle) {
+                       ret = dpm_add_policy_changed_cb(hcamcorder->dpm_handle, "camera",
                                _mmcamcorder_dpm_camera_policy_changed_cb, (void *)hcamcorder, &hcamcorder->dpm_camera_cb_id);
                        if (ret != DPM_ERROR_NONE) {
                                _mmcam_dbg_err("add DPM changed cb failed, keep going...");
@@ -535,11 +538,6 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                }
        }
 
-       ret = _mmcamcorder_resource_create_resource_set(&hcamcorder->resource_manager);
-       if (ret != MM_ERROR_NONE) {
-               goto _ERR_DEFAULT_VALUE_INIT;
-       }
-
        _MMCAMCORDER_UNLOCK_RESOURCE(hcamcorder);
 #endif /* _MMCAMCORDER_MURPHY_SUPPORT */
 
@@ -558,38 +556,21 @@ _ERR_DEFAULT_VALUE_INIT:
        _mmcamcorder_resource_manager_deinit(&hcamcorder->resource_manager);
 #endif /* _MMCAMCORDER_MURPHY_SUPPORT */
 
-       /* 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);
-       }
-
        /* release DPM related handle */
-       if (hcamcorder->dpm_context) {
-               _mmcam_dbg_log("release DPM context %p, camera changed cb id %d",
-                       hcamcorder->dpm_context, hcamcorder->dpm_camera_cb_id);
+       if (hcamcorder->dpm_handle) {
+               _mmcam_dbg_log("release DPM handle %p, camera changed cb id %d",
+                       hcamcorder->dpm_handle, hcamcorder->dpm_camera_cb_id);
 
                /* remove camera policy changed callback */
                if (hcamcorder->dpm_camera_cb_id > 0) {
-                       dpm_context_remove_policy_changed_cb(hcamcorder->dpm_context, hcamcorder->dpm_camera_cb_id);
+                       dpm_remove_policy_changed_cb(hcamcorder->dpm_handle, hcamcorder->dpm_camera_cb_id);
                        hcamcorder->dpm_camera_cb_id = 0;
                } else {
                        _mmcam_dbg_warn("invalid dpm camera cb id %d", hcamcorder->dpm_camera_cb_id);
                }
 
-               if (hcamcorder->dpm_policy) {
-                       dpm_context_release_restriction_policy(hcamcorder->dpm_context, hcamcorder->dpm_policy);
-                       hcamcorder->dpm_policy = NULL;
-               }
-
-               dpm_context_destroy(hcamcorder->dpm_context);
-               hcamcorder->dpm_context = NULL;
+               dpm_manager_destroy(hcamcorder->dpm_handle);
+               hcamcorder->dpm_handle = NULL;
        }
 
        /* Remove attributes */
@@ -620,6 +601,13 @@ _ERR_DEFAULT_VALUE_INIT:
        g_cond_clear(&hcamcorder->snd_info.open_cond);
        g_mutex_clear(&hcamcorder->restart_preview_lock);
 
+       if (info->videodev_type != MM_VIDEO_DEVICE_NONE) {
+               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);
+       }
+
        if (hcamcorder->conf_ctrl)
                _mmcamcorder_conf_release_info((MMHandleType)hcamcorder, &hcamcorder->conf_ctrl);
 
@@ -660,7 +648,6 @@ int _mmcamcorder_destroy(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_NULL;
 #ifdef _MMCAMCORDER_RM_SUPPORT
        int iret = RM_OK;
 #endif /* _MMCAMCORDER_RM_SUPPORT */
@@ -684,7 +671,7 @@ int _mmcamcorder_destroy(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_NULL) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -762,19 +749,29 @@ int _mmcamcorder_destroy(MMHandleType handle)
        /* Remove messages which are not called yet */
        _mmcamcorder_remove_message_all(handle);
 
-       /* unregister sound focus */
-       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);
+       /* unset remained watch cb */
+       if (hcamcorder->sound_focus_watch_id > 0) {
+               mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+               _mmcam_dbg_warn("unset sound focus watch cb [id %d] done", hcamcorder->sound_focus_watch_id);
+               hcamcorder->sound_focus_watch_id = 0;
+       }
+
+       /* unregister sound focus and unsubscribe sound signal */
+       _mmcam_dbg_log("sound focus id %d, sound signal subscribe id %u",
+               hcamcorder->sound_focus_id, hcamcorder->sound_focus_subscribe_id);
+
+       if (hcamcorder->sound_focus_id > 0) {
+               mm_sound_unregister_focus(hcamcorder->sound_focus_id);
+               _mmcam_dbg_log("unregister sound focus done");
+               hcamcorder->sound_focus_id = 0;
+       }
+
+       if (hcamcorder->sound_focus_subscribe_id > 0) {
+               mm_sound_unsubscribe_signal(hcamcorder->sound_focus_subscribe_id);
+               _mmcam_dbg_log("unsubscribe sound signal done");
+               hcamcorder->sound_focus_subscribe_id = 0;
        }
+
 #ifdef _MMCAMCORDER_RM_SUPPORT
        if (hcamcorder->rm_handle != 0) {
                iret = rm_unregister(hcamcorder->rm_handle);
@@ -795,26 +792,21 @@ int _mmcamcorder_destroy(MMHandleType handle)
                hcamcorder->software_version = NULL;
        }
 
-       /* release DPM related handle */
-       if (hcamcorder->dpm_context) {
-               _mmcam_dbg_log("release DPM context %p, camera changed cb id %d",
-                       hcamcorder->dpm_context, hcamcorder->dpm_camera_cb_id);
+       /* release DPM handle */
+       if (hcamcorder->dpm_handle) {
+               _mmcam_dbg_log("release DPM handle %p, camera changed cb id %d",
+                       hcamcorder->dpm_handle, hcamcorder->dpm_camera_cb_id);
 
                /* remove camera policy changed callback */
                if (hcamcorder->dpm_camera_cb_id > 0) {
-                       dpm_context_remove_policy_changed_cb(hcamcorder->dpm_context, hcamcorder->dpm_camera_cb_id);
+                       dpm_remove_policy_changed_cb(hcamcorder->dpm_handle, hcamcorder->dpm_camera_cb_id);
                        hcamcorder->dpm_camera_cb_id = 0;
                } else {
                        _mmcam_dbg_warn("invalid dpm camera cb id %d", hcamcorder->dpm_camera_cb_id);
                }
 
-               if (hcamcorder->dpm_policy) {
-                       dpm_context_release_restriction_policy(hcamcorder->dpm_context, hcamcorder->dpm_policy);
-                       hcamcorder->dpm_policy = NULL;
-               }
-
-               dpm_context_destroy(hcamcorder->dpm_context);
-               hcamcorder->dpm_context = NULL;
+               dpm_manager_destroy(hcamcorder->dpm_handle);
+               hcamcorder->dpm_handle = NULL;
        }
 
        /* join task thread */
@@ -848,6 +840,16 @@ int _mmcamcorder_destroy(MMHandleType handle)
        g_mutex_clear(&hcamcorder->task_thread_lock);
        g_cond_clear(&hcamcorder->task_thread_cond);
 
+       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
+               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);
+       }
+
+       g_object_unref(hcamcorder->gdbus_conn);
+       hcamcorder->gdbus_conn = NULL;
+
        /* Release handle */
        memset(hcamcorder, 0x00, sizeof(mmf_camcorder_t));
        free(hcamcorder);
@@ -872,8 +874,6 @@ int _mmcamcorder_realize(MMHandleType handle)
        int ret = MM_ERROR_NONE;
        int ret_sound = 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_OVERLAY;
        int pid_for_sound_focus = 0;
        double motion_rate = _MMCAMCORDER_DEFAULT_RECORDING_MOTION_RATE;
@@ -882,7 +882,7 @@ int _mmcamcorder_realize(MMHandleType handle)
        char *socket_path = NULL;
        int socket_path_len;
 #ifdef _MMCAMCORDER_RM_SUPPORT
-               int iret = RM_OK;
+       int iret = RM_OK;
 #endif /* _MMCAMCORDER_RM_SUPPORT */
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
@@ -902,7 +902,7 @@ int _mmcamcorder_realize(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_NULL) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -922,20 +922,7 @@ int _mmcamcorder_realize(MMHandleType handle)
 
        /* 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);
-               }
-
                /* acquire sound focus or set sound focus watch callback */
-               hcamcorder->acquired_focus = 0;
-               hcamcorder->sound_focus_watch_id = 0;
-
-               /* check session flags */
                if (hcamcorder->session_flags & MM_SESSION_OPTION_PAUSE_OTHERS) {
                        /* acquire sound focus */
                        _mmcam_dbg_log("PAUSE_OTHERS - acquire sound focus");
@@ -944,7 +931,6 @@ int _mmcamcorder_realize(MMHandleType handle)
                        if (ret_sound != MM_ERROR_NONE) {
                                _mmcam_dbg_err("mm_sound_acquire_focus 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;
                        }
@@ -954,7 +940,23 @@ int _mmcamcorder_realize(MMHandleType handle)
                        /* do nothing */
                        _mmcam_dbg_log("SESSION_UNINTERRUPTIBLE - do nothing for sound focus");
                } else {
+                       /* unset remained watch cb */
+                       if (hcamcorder->sound_focus_watch_id > 0) {
+                               mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+                               _mmcam_dbg_warn("unset sound focus watch cb [id %d] done", hcamcorder->sound_focus_watch_id);
+                               hcamcorder->sound_focus_watch_id = 0;
+                       }
+
                        /* set sound focus watch callback */
+                       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("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,
@@ -965,7 +967,6 @@ int _mmcamcorder_realize(MMHandleType handle)
                        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;
                        }
@@ -979,7 +980,7 @@ int _mmcamcorder_realize(MMHandleType handle)
 #ifdef _MMCAMCORDER_RM_SUPPORT
        int preview_format = MM_PIXEL_FORMAT_NV12;
        int qret = RM_OK;
-       int qret_avail = RM_OK;
+       int qret_avail = 0; /* 0: not available, 1: available */
        rm_consumer_info rci;
        int app_pid = 0;
        int resource_count = 0;
@@ -1021,7 +1022,7 @@ int _mmcamcorder_realize(MMHandleType handle)
 
                qret = rm_query(hcamcorder->rm_handle, RM_QUERY_ALLOCATION, &(hcamcorder->request_resources), &qret_avail);
 
-               if (qret != RM_OK || qret_avail != RM_OK) {
+               if (qret != RM_OK || qret_avail != 1) {
                        _mmcam_dbg_log("Resource manager main device request fail");
 
                        resource_count = 0;
@@ -1140,8 +1141,8 @@ int _mmcamcorder_realize(MMHandleType handle)
                int dpm_camera_state = DPM_ALLOWED;
 
                /* check camera policy from DPM */
-               if (hcamcorder->dpm_policy) {
-                       if (dpm_restriction_get_camera_state(hcamcorder->dpm_policy, &dpm_camera_state) == DPM_ERROR_NONE) {
+               if (hcamcorder->dpm_handle) {
+                       if (dpm_restriction_get_camera_state(hcamcorder->dpm_handle, &dpm_camera_state) == DPM_ERROR_NONE) {
                                _mmcam_dbg_log("DPM camera state %d", dpm_camera_state);
                                if (dpm_camera_state == DPM_DISALLOWED) {
                                        _mmcam_dbg_err("CAMERA DISALLOWED by DPM");
@@ -1152,9 +1153,14 @@ int _mmcamcorder_realize(MMHandleType handle)
                                _mmcam_dbg_err("get DPM camera state failed, keep going...");
                        }
                } else {
-                       _mmcam_dbg_warn("NULL dpm_policy");
+                       _mmcam_dbg_warn("NULL dpm_handle");
                }
 #ifdef _MMCAMCORDER_MURPHY_SUPPORT
+               ret = _mmcamcorder_resource_create_resource_set(&hcamcorder->resource_manager);
+               if (ret != MM_ERROR_NONE) {
+                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+               }
+
                hcamcorder->resource_manager.acquire_count = 0;
 
                /* prepare resource manager for camera */
@@ -1243,7 +1249,14 @@ int _mmcamcorder_realize(MMHandleType handle)
                goto _ERR_CAMCORDER_CMD;
        }
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_READY);
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               int value = hcamcorder->device_type << 16 | CAMERA_DEVICE_STATE_OPENED;
+
+               _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+                       __MMCAMCORDER_DBUS_INTERFACE_CAMERA, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, value);
+       }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1265,23 +1278,18 @@ _ERR_CAMCORDER_CMD:
 _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK:
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
-       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);
-                       }
-               }
+       if (hcamcorder->sound_focus_watch_id > 0) {
+               mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+               _mmcam_dbg_warn("unset sound focus watch cb [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);
-                               }
-               }
+       if (hcamcorder->acquired_focus > 0) {
+               mm_sound_release_focus(0, hcamcorder->acquired_focus, NULL);
+               _mmcam_dbg_warn("release sound focus [focus %d] done", hcamcorder->acquired_focus);
+               hcamcorder->acquired_focus = 0;
        }
+
 #ifdef _MMCAMCORDER_RM_SUPPORT
        if (hcamcorder->rm_handle) {
                if (hcamcorder->returned_devices.allocated_num > 0) {
@@ -1315,8 +1323,6 @@ int _mmcamcorder_unrealize(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_READY;
-       int state_TO = MM_CAMCORDER_STATE_NULL;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1335,7 +1341,7 @@ int _mmcamcorder_unrealize(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_READY) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1410,41 +1416,38 @@ int _mmcamcorder_unrealize(MMHandleType handle)
                hcamcorder->sound_focus_register, hcamcorder->session_flags, hcamcorder->state_change_by_system);
 
        /* release sound focus or unset sound focus watch callback */
-       if (hcamcorder->sound_focus_register) {
-               int ret_sound = MM_ERROR_NONE;
-
-               _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);
+       _mmcam_dbg_log("by_system %d, flag 0x%x, acquired_focus %d, focus_id %d, 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->state_change_by_system != _MMCAMCORDER_STATE_CHANGE_BY_FOCUS &&
-                   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);
+       if (hcamcorder->state_change_by_system != _MMCAMCORDER_STATE_CHANGE_BY_FOCUS) {
+               if (hcamcorder->sound_focus_watch_id > 0) {
+                       mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+                       _mmcam_dbg_warn("unset sound focus watch cb [id %d] done", hcamcorder->sound_focus_watch_id);
+                       hcamcorder->sound_focus_watch_id = 0;
                }
 
                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);
+                       mm_sound_release_focus(0, hcamcorder->acquired_focus, NULL);
+                       _mmcam_dbg_warn("release sound focus [focus %d] done", hcamcorder->acquired_focus);
+                       hcamcorder->acquired_focus = 0;
                }
+       } else {
+               _mmcam_dbg_warn("state change by focus. so, no need to unset watch callback");
+               /* acquired focus will be released automatically */
+               hcamcorder->acquired_focus = 0;
+       }
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               int value = hcamcorder->device_type << 16 | CAMERA_DEVICE_STATE_NULL;
+
+               _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+                       __MMCAMCORDER_DBUS_INTERFACE_CAMERA, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, value);
        }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_NULL);
 
        return MM_ERROR_NONE;
 
@@ -1462,8 +1465,6 @@ int _mmcamcorder_start(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_READY;
-       int state_TO = MM_CAMCORDER_STATE_PREPARE;
 
        _MMCamcorderSubContext *sc = NULL;
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
@@ -1486,7 +1487,7 @@ int _mmcamcorder_start(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_READY) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1496,22 +1497,8 @@ int _mmcamcorder_start(MMHandleType handle)
        hcamcorder->error_code = MM_ERROR_NONE;
 
        /* 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);
-
+       if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO)
                _mmcamcorder_set_attribute_to_camsensor(handle);
-       }
 
        ret = hcamcorder->command((MMHandleType)hcamcorder, _MMCamcorder_CMD_PREVIEW_START);
        if (ret != MM_ERROR_NONE) {
@@ -1523,7 +1510,14 @@ int _mmcamcorder_start(MMHandleType handle)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
        }
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_PREPARE);
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               int value = hcamcorder->device_type << 16 | CAMERA_DEVICE_STATE_WORKING;
+
+               _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+                       __MMCAMCORDER_DBUS_INTERFACE_CAMERA, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, value);
+       }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1561,8 +1555,6 @@ int _mmcamcorder_stop(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_PREPARE;
-       int state_TO = MM_CAMCORDER_STATE_READY;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1581,7 +1573,7 @@ int _mmcamcorder_stop(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_PREPARE) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1591,9 +1583,12 @@ int _mmcamcorder_stop(MMHandleType handle)
        if (ret != MM_ERROR_NONE)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_READY);
 
        if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
+               int value = hcamcorder->device_type << 16 | CAMERA_DEVICE_STATE_OPENED;
+
+               /* unsubscribe remained unsubscribed signal */
                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);
@@ -1608,13 +1603,9 @@ int _mmcamcorder_stop(MMHandleType handle)
                }
                g_mutex_unlock(&hcamcorder->gdbus_info_solo_sound.sync_mutex);
 
-               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);
+               /* emit signal for camera device state */
+               _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+                       __MMCAMCORDER_DBUS_INTERFACE_CAMERA, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, value);
        }
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
@@ -1639,7 +1630,6 @@ int _mmcamcorder_capture_start(MMHandleType handle)
        int state_FROM_0 = MM_CAMCORDER_STATE_PREPARE;
        int state_FROM_1 = MM_CAMCORDER_STATE_RECORDING;
        int state_FROM_2 = MM_CAMCORDER_STATE_PAUSED;
-       int state_TO = MM_CAMCORDER_STATE_CAPTURING;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1693,7 +1683,7 @@ int _mmcamcorder_capture_start(MMHandleType handle)
 
        /* Do not change state when recording snapshot capture */
        if (state == state_FROM_0)
-               _mmcamcorder_set_state(handle, state_TO);
+               _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_CAPTURING);
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1722,8 +1712,6 @@ int _mmcamcorder_capture_stop(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_CAPTURING;
-       int state_TO = MM_CAMCORDER_STATE_PREPARE;
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
        _mmcam_dbg_log("");
@@ -1741,7 +1729,7 @@ int _mmcamcorder_capture_stop(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_CAPTURING) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1751,7 +1739,7 @@ int _mmcamcorder_capture_stop(MMHandleType handle)
        if (ret != MM_ERROR_NONE)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_PREPARE);
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1772,10 +1760,8 @@ int _mmcamcorder_record(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM1 = MM_CAMCORDER_STATE_PREPARE;
-       int state_FROM2 = MM_CAMCORDER_STATE_PAUSED;
-       int state_TO = MM_CAMCORDER_STATE_RECORDING;
        int dpm_mic_state = DPM_ALLOWED;
+       int device_state = 0;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1794,7 +1780,7 @@ int _mmcamcorder_record(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM1 && state != state_FROM2) {
+       if (state != MM_CAMCORDER_STATE_PREPARE && state != MM_CAMCORDER_STATE_PAUSED) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1804,8 +1790,8 @@ int _mmcamcorder_record(MMHandleType handle)
        hcamcorder->error_code = MM_ERROR_NONE;
 
        /* check mic policy from DPM */
-       if (hcamcorder->dpm_policy) {
-               if (dpm_restriction_get_microphone_state(hcamcorder->dpm_policy, &dpm_mic_state) == DPM_ERROR_NONE) {
+       if (hcamcorder->dpm_handle) {
+               if (dpm_restriction_get_microphone_state(hcamcorder->dpm_handle, &dpm_mic_state) == DPM_ERROR_NONE) {
                        _mmcam_dbg_log("DPM mic state %d", dpm_mic_state);
                        if (dpm_mic_state == DPM_DISALLOWED) {
                                _mmcam_dbg_err("MIC DISALLOWED by DPM");
@@ -1816,7 +1802,7 @@ int _mmcamcorder_record(MMHandleType handle)
                        _mmcam_dbg_err("get DPM mic state failed, keep going...");
                }
        } else {
-               _mmcam_dbg_warn("NULL dpm_policy");
+               _mmcam_dbg_warn("NULL dpm_handle");
        }
 
        ret = hcamcorder->command((MMHandleType)hcamcorder, _MMCamcorder_CMD_RECORD);
@@ -1829,7 +1815,20 @@ int _mmcamcorder_record(MMHandleType handle)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
        }
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_RECORDING);
+
+       if (state == MM_CAMCORDER_STATE_PREPARE)
+               device_state = RECORDER_DEVICE_STATE_NULL << 8 | RECORDER_DEVICE_STATE_RECORDING;
+       else
+               device_state = RECORDER_DEVICE_STATE_PAUSED << 8 | RECORDER_DEVICE_STATE_RECORDING;
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE)
+               device_state = RECORDER_TYPE_VIDEO << 16 | device_state;
+       else
+               device_state = RECORDER_TYPE_AUDIO << 16 | device_state;
+
+       _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+               __MMCAMCORDER_DBUS_INTERFACE_RECORDER, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, device_state);
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1858,8 +1857,7 @@ int _mmcamcorder_pause(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM = MM_CAMCORDER_STATE_RECORDING;
-       int state_TO = MM_CAMCORDER_STATE_PAUSED;
+       int device_state = 0;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1878,7 +1876,7 @@ int _mmcamcorder_pause(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM) {
+       if (state != MM_CAMCORDER_STATE_RECORDING) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1888,7 +1886,17 @@ int _mmcamcorder_pause(MMHandleType handle)
        if (ret != MM_ERROR_NONE)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_PAUSED);
+
+       device_state = RECORDER_DEVICE_STATE_RECORDING << 8 | RECORDER_DEVICE_STATE_PAUSED;
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE)
+               device_state = RECORDER_TYPE_VIDEO << 16 | device_state;
+       else
+               device_state = RECORDER_TYPE_AUDIO << 16 | device_state;
+
+       _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+               __MMCAMCORDER_DBUS_INTERFACE_RECORDER, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, device_state);
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -1909,9 +1917,7 @@ int _mmcamcorder_commit(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM1 = MM_CAMCORDER_STATE_RECORDING;
-       int state_FROM2 = MM_CAMCORDER_STATE_PAUSED;
-       int state_TO = MM_CAMCORDER_STATE_PREPARE;
+       int device_state = 0;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1930,7 +1936,7 @@ int _mmcamcorder_commit(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM1 && state != state_FROM2) {
+       if (state != MM_CAMCORDER_STATE_RECORDING && state != MM_CAMCORDER_STATE_PAUSED) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1943,9 +1949,22 @@ int _mmcamcorder_commit(MMHandleType handle)
        if (ret != MM_ERROR_NONE)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
 
-       _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_PREPARE);
+
+       if (state == MM_CAMCORDER_STATE_RECORDING)
+               device_state = RECORDER_DEVICE_STATE_RECORDING << 8 | RECORDER_DEVICE_STATE_NULL;
+       else
+               device_state = RECORDER_DEVICE_STATE_PAUSED << 8 | RECORDER_DEVICE_STATE_NULL;
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE)
+               device_state = RECORDER_TYPE_VIDEO << 16 | device_state;
+       else
+               device_state = RECORDER_TYPE_AUDIO << 16 | device_state;
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+               __MMCAMCORDER_DBUS_INTERFACE_RECORDER, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, device_state);
+
+       _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
        return MM_ERROR_NONE;
 
@@ -1964,9 +1983,7 @@ int _mmcamcorder_cancel(MMHandleType handle)
 {
        int ret = MM_ERROR_NONE;
        int state = MM_CAMCORDER_STATE_NONE;
-       int state_FROM1 = MM_CAMCORDER_STATE_RECORDING;
-       int state_FROM2 = MM_CAMCORDER_STATE_PAUSED;
-       int state_TO = MM_CAMCORDER_STATE_PREPARE;
+       int device_state = 0;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1985,7 +2002,7 @@ int _mmcamcorder_cancel(MMHandleType handle)
        }
 
        state = _mmcamcorder_get_state(handle);
-       if (state != state_FROM1 && state != state_FROM2) {
+       if (state != MM_CAMCORDER_STATE_RECORDING && state != MM_CAMCORDER_STATE_PAUSED) {
                _mmcam_dbg_err("Wrong state(%d)", state);
                ret = MM_ERROR_CAMCORDER_INVALID_STATE;
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -1995,7 +2012,20 @@ int _mmcamcorder_cancel(MMHandleType handle)
        if (ret != MM_ERROR_NONE)
                goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
 
-       _mmcamcorder_set_state(handle, state_TO);
+       _mmcamcorder_set_state(handle, MM_CAMCORDER_STATE_PREPARE);
+
+       if (state == MM_CAMCORDER_STATE_RECORDING)
+               device_state = RECORDER_DEVICE_STATE_RECORDING << 8 | RECORDER_DEVICE_STATE_NULL;
+       else
+               device_state = RECORDER_DEVICE_STATE_PAUSED << 8 | RECORDER_DEVICE_STATE_NULL;
+
+       if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE)
+               device_state = RECORDER_TYPE_VIDEO << 16 | device_state;
+       else
+               device_state = RECORDER_TYPE_AUDIO << 16 | device_state;
+
+       _mmcamcorder_emit_dbus_signal(hcamcorder->gdbus_conn, __MMCAMCORDER_DBUS_OBJECT,
+               __MMCAMCORDER_DBUS_INTERFACE_RECORDER, __MMCAMCORDER_DBUS_SIGNAL_STATE_CHANGED, device_state);
 
        _MMCAMCORDER_UNLOCK_CMD(hcamcorder);
 
@@ -3204,6 +3234,7 @@ GstBusSyncReply _mmcamcorder_encode_pipeline_bus_sync_callback(GstBus *bus, GstM
                        }
                } else {
                        gboolean b_commiting = FALSE;
+                       storage_state_e storage_state = STORAGE_STATE_UNMOUNTABLE;
 
                        if (hcamcorder->type != MM_CAMCORDER_MODE_AUDIO) {
                                mmf_return_val_if_fail(sc->info_video, GST_BUS_PASS);
@@ -3217,8 +3248,23 @@ GstBusSyncReply _mmcamcorder_encode_pipeline_bus_sync_callback(GstBus *bus, GstM
 
                        switch (err->code) {
                        case GST_RESOURCE_ERROR_WRITE:
-                               _mmcam_dbg_err("File write error");
-                               hcamcorder->error_code = MM_ERROR_FILE_WRITE;
+                               storage_get_state(hcamcorder->storage_info.id, &storage_state);
+                               if (storage_state == STORAGE_STATE_REMOVED ||
+                                       storage_state == STORAGE_STATE_UNMOUNTABLE) {
+                                       _mmcam_dbg_err("storage was removed! [storage state %d]", storage_state);
+                                       hcamcorder->error_code = MM_ERROR_OUT_OF_STORAGE;
+                               } else {
+                                       _mmcam_dbg_err("File write error, storage state %d", storage_state);
+                                       hcamcorder->error_code = MM_ERROR_FILE_WRITE;
+                               }
+
+                               if (sc->ferror_send == FALSE) {
+                                       sc->ferror_send = TRUE;
+                               } else {
+                                       _mmcam_dbg_err("error was already sent");
+                                       _MMCAMCORDER_UNLOCK(hcamcorder);
+                                       goto DROP_MESSAGE;
+                               }
                                break;
                        case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
                                _mmcam_dbg_err("No left space");
@@ -3276,7 +3322,7 @@ DROP_MESSAGE:
 
 void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
        mm_sound_focus_state_e focus_state, const char *reason_for_change,
-       const char *additional_info, void *user_data)
+       int option, const char *additional_info, void *user_data)
 {
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(user_data);
        int current_state = MM_CAMCORDER_STATE_NONE;
@@ -3348,7 +3394,36 @@ void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
 }
 
 
-void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_sound_focus_state_e focus_state,
+void _mmcamcorder_sound_signal_callback(mm_sound_signal_name_t signal, int value, void *user_data)
+{
+       mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(user_data);
+
+       mmf_return_if_fail(hcamcorder);
+
+       _mmcam_dbg_log("sound signal %d - value %d", signal, value);
+
+       _MMCAMCORDER_LOCK_ASM(hcamcorder);
+
+       if (signal == MM_SOUND_SIGNAL_RELEASE_INTERNAL_FOCUS && value == 1) {
+               _mmcam_dbg_log("watch cb id %d", hcamcorder->sound_focus_watch_id);
+
+               /* unregister watch callback */
+               if (hcamcorder->sound_focus_watch_id > 0) {
+                       mm_sound_unset_focus_watch_callback(hcamcorder->sound_focus_watch_id);
+                       _mmcam_dbg_log("unset watch cb done");
+                       hcamcorder->sound_focus_watch_id = 0;
+               }
+       }
+
+       _MMCAMCORDER_UNLOCK_ASM(hcamcorder);
+
+       _mmcam_dbg_warn("done");
+
+       return;
+}
+
+
+void _mmcamcorder_sound_focus_watch_cb(int id, mm_sound_focus_type_e focus_type, mm_sound_focus_state_e focus_state,
        const char *reason_for_change, const char *additional_info, void *user_data)
 {
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(user_data);
@@ -3363,8 +3438,8 @@ void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_soun
                return;
        }
 
-       _mmcam_dbg_log("sound focus watch callback : focus state %d, reason %s",
-               focus_state, reason_for_change ? reason_for_change : "N/A");
+       _mmcam_dbg_log("sound focus watch callback : id %d, focus state %d, reason %s",
+               id, 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.");