[Release version 0.10.47] Fix bug for DPM usage - could not check microphone policy
[platform/core/multimedia/libmm-camcorder.git] / src / mm_camcorder_internal.c
index df28056..e7ee5ab 100644 (file)
 
 #include <murphy/common/glib-glue.h>
 
-/*---------------------------------------------------------------------------------------
-|    GLOBAL VARIABLE DEFINITIONS for internal                                          |
----------------------------------------------------------------------------------------*/
-struct sigaction mm_camcorder_int_old_action;
-struct sigaction mm_camcorder_abrt_old_action;
-struct sigaction mm_camcorder_segv_old_action;
-struct sigaction mm_camcorder_term_old_action;
-struct sigaction mm_camcorder_sys_old_action;
 
 /*---------------------------------------------------------------------------------------
 |    LOCAL VARIABLE DEFINITIONS for internal                                           |
@@ -63,6 +55,9 @@ struct sigaction mm_camcorder_sys_old_action;
 #define __MMCAMCORDER_SOUND_WAIT_TIMEOUT        3
 #define __MMCAMCORDER_FOCUS_CHANGE_REASON_LEN   64
 
+#define DPM_ALLOWED                             1
+#define DPM_DISALLOWED                          0
+
 
 /*---------------------------------------------------------------------------------------
 |    LOCAL FUNCTION PROTOTYPES:                                                                |
@@ -82,9 +77,6 @@ static gboolean __mmcamcorder_handle_gst_warning(MMHandleType handle, GstMessage
 static gboolean __mmcamcorder_set_attr_to_camsensor_cb(gpointer data);
 #endif /* _MMCAMCORDER_USE_SET_ATTR_CB */
 
-static void __mm_camcorder_signal_handler(int signo);
-static void _mmcamcorder_constructor() __attribute__((constructor));
-
 /*=======================================================================================
 |  FUNCTION DEFINITIONS                                                                        |
 =======================================================================================*/
@@ -92,66 +84,6 @@ static void _mmcamcorder_constructor() __attribute__((constructor));
 |    GLOBAL FUNCTION DEFINITIONS:                                                      |
 ---------------------------------------------------------------------------------------*/
 
-
-static void __mm_camcorder_signal_handler(int signo)
-{
-       pid_t my_pid = getpid();
-
-       _mmcam_dbg_warn("start - signo [%d], pid [%d]", signo, my_pid);
-
-       /* call old signal handler */
-       switch (signo) {
-       case SIGINT:
-               sigaction(SIGINT, &mm_camcorder_int_old_action, NULL);
-               raise(signo);
-               break;
-       case SIGABRT:
-               sigaction(SIGABRT, &mm_camcorder_abrt_old_action, NULL);
-               raise(signo);
-               break;
-       case SIGSEGV:
-               sigaction(SIGSEGV, &mm_camcorder_segv_old_action, NULL);
-               raise(signo);
-               break;
-       case SIGTERM:
-               sigaction(SIGTERM, &mm_camcorder_term_old_action, NULL);
-               raise(signo);
-               break;
-       case SIGSYS:
-               sigaction(SIGSYS, &mm_camcorder_sys_old_action, NULL);
-               raise(signo);
-               break;
-       default:
-               break;
-       }
-
-       _mmcam_dbg_warn("done");
-
-       return;
-}
-
-
-static void _mmcamcorder_constructor()
-{
-       struct sigaction mm_camcorder_action;
-       mm_camcorder_action.sa_handler = __mm_camcorder_signal_handler;
-       mm_camcorder_action.sa_flags = SA_NOCLDSTOP;
-
-       _mmcam_dbg_warn("start");
-
-       sigemptyset(&mm_camcorder_action.sa_mask);
-
-       sigaction(SIGINT, &mm_camcorder_action, &mm_camcorder_int_old_action);
-       sigaction(SIGABRT, &mm_camcorder_action, &mm_camcorder_abrt_old_action);
-       sigaction(SIGSEGV, &mm_camcorder_action, &mm_camcorder_segv_old_action);
-       sigaction(SIGTERM, &mm_camcorder_action, &mm_camcorder_term_old_action);
-       sigaction(SIGSYS, &mm_camcorder_action, &mm_camcorder_sys_old_action);
-
-       _mmcam_dbg_warn("done");
-
-       return;
-}
-
 /* Internal command functions {*/
 int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
 {
@@ -261,12 +193,9 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        }
 
        /* 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;
        }
 
@@ -278,6 +207,21 @@ 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();
+       _mmcam_dbg_log("DPM context %p", hcamcorder->dpm_context);
+       if (hcamcorder->dpm_context) {
+               hcamcorder->dpm_policy = dpm_context_acquire_restriction_policy(hcamcorder->dpm_context);
+               _mmcam_dbg_log("DPM policy %p", hcamcorder->dpm_policy);
+               if (hcamcorder->dpm_policy == NULL) {
+                       _mmcam_dbg_err("dpm_context_acquire_restriction_policy failed");
+                       dpm_context_destroy(hcamcorder->dpm_context);
+                       hcamcorder->dpm_context = NULL;
+               }
+       }
+
+       _mmcam_dbg_log("DPM context %p, policy %p", hcamcorder->dpm_context, hcamcorder->dpm_policy);
+
        if (info->videodev_type != MM_VIDEO_DEVICE_NONE) {
                _mmcamcorder_conf_get_value_int((MMHandleType)hcamcorder, hcamcorder->conf_main,
                                                CONFIGURE_CATEGORY_MAIN_VIDEO_INPUT,
@@ -309,17 +253,15 @@ 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!!");
@@ -427,8 +369,7 @@ 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;
                        }
@@ -439,8 +380,7 @@ 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;
                        }
@@ -449,6 +389,18 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
                        _mmcam_dbg_log( "Disable Configure Control system." );
                        hcamcorder->conf_ctrl = NULL;
                }
+
+               /* add DPM camera policy changed callback */
+               if (hcamcorder->dpm_context) {
+                       if (dpm_context_add_policy_changed_cb(hcamcorder->dpm_context,
+                               "camera", _mmcamcorder_dpm_camera_policy_changed_cb,
+                               (void *)hcamcorder, &hcamcorder->dpm_camera_cb_id) != DPM_ERROR_NONE) {
+                               _mmcam_dbg_err("add DPM changed cb failed, keep going...");
+                               hcamcorder->dpm_camera_cb_id = 0;
+                       }
+
+                       _mmcam_dbg_log("DPM camera changed cb id %d", hcamcorder->dpm_camera_cb_id);
+               }
        } else {
                _mmcamcorder_conf_get_value_int((MMHandleType)hcamcorder, hcamcorder->conf_main,
                                                    CONFIGURE_CATEGORY_MAIN_VIDEO_INPUT,
@@ -459,16 +411,15 @@ 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, 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;
+                       _mmcam_dbg_err("there is no audio device");
+                       ret = MM_ERROR_CAMCORDER_NOT_SUPPORTED;
                        goto _ERR_DEFAULT_VALUE_INIT;
                }
        }
@@ -549,6 +500,9 @@ int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info)
        return MM_ERROR_NONE;
 
 _ERR_DEFAULT_VALUE_INIT:
+       /* de-initialize resource manager */
+       _mmcamcorder_resource_manager_deinit(&hcamcorder->resource_manager);
+
        /* 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)) {
@@ -561,6 +515,28 @@ _ERR_DEFAULT_VALUE_INIT:
                               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);
+
+               /* 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);
+                       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;
+       }
+
        /* Remove attributes */
        if (hcamcorder->attributes) {
                _mmcamcorder_dealloc_attribute((MMHandleType)hcamcorder, hcamcorder->attributes);
@@ -585,11 +561,11 @@ _ERR_DEFAULT_VALUE_INIT:
        g_mutex_clear(&hcamcorder->restart_preview_lock);
 
        if (hcamcorder->conf_ctrl) {
-               _mmcamcorder_conf_release_info(handle, &hcamcorder->conf_ctrl);
+               _mmcamcorder_conf_release_info((MMHandleType)hcamcorder, &hcamcorder->conf_ctrl);
        }
 
        if (hcamcorder->conf_main) {
-               _mmcamcorder_conf_release_info(handle, &hcamcorder->conf_main);
+               _mmcamcorder_conf_release_info((MMHandleType)hcamcorder, &hcamcorder->conf_main);
        }
 
        if (hcamcorder->model_name) {
@@ -733,6 +709,28 @@ 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);
+
+               /* 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);
+                       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;
+       }
+
        /* join task thread */
        _mmcam_dbg_log("task thread join");
        g_thread_join(hcamcorder->task_thread);
@@ -826,10 +824,9 @@ 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_DISPLAY_SOCKET_PATH, &socket_path, &socket_path_len,
-                                   NULL);
+               MMCAM_DISPLAY_SURFACE, &display_surface_type,
+               MMCAM_CAMERA_RECORDING_MOTION_RATE, &motion_rate,
+               NULL);
 
        /* sound focus */
        if (hcamcorder->sound_focus_register) {
@@ -915,30 +912,32 @@ int _mmcamcorder_realize(MMHandleType handle)
                _mmcam_dbg_warn("SupportDualStream [%d]", hcamcorder->sub_context->info_video->support_dual_stream);
        }
 
-       if (socket_path == NULL) {
-               _mmcam_dbg_warn("Socket Path is not properly set, -> to NullSink.");
+       switch (display_surface_type) {
+       case MM_DISPLAY_SURFACE_OVERLAY:
+               videosink_element_type = strdup("VideosinkElementOverlay");
+               break;
+       case MM_DISPLAY_SURFACE_EVAS:
+               videosink_element_type = strdup("VideosinkElementEvas");
+               break;
+       case MM_DISPLAY_SURFACE_GL:
+               videosink_element_type = strdup("VideosinkElementGL");
+               break;
+       case MM_DISPLAY_SURFACE_NULL:
                videosink_element_type = strdup("VideosinkElementNull");
-       } else {
-               switch (display_surface_type) {
-               case MM_DISPLAY_SURFACE_OVERLAY:
-                       videosink_element_type = strdup("VideosinkElementOverlay");
-                       break;
-               case MM_DISPLAY_SURFACE_EVAS:
-                       videosink_element_type = strdup("VideosinkElementEvas");
-                       break;
-               case MM_DISPLAY_SURFACE_GL:
-                       videosink_element_type = strdup("VideosinkElementGL");
-                       break;
-               case MM_DISPLAY_SURFACE_NULL:
+               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");
-                       break;
-               case MM_DISPLAY_SURFACE_REMOTE:
+               } else
                        videosink_element_type = strdup("VideosinkElementRemote");
-                       break;
-               default:
-                       videosink_element_type = strdup("VideosinkElementOverlay");
-                       break;
-               }
+               break;
+       default:
+               videosink_element_type = strdup("VideosinkElementOverlay");
+               break;
        }
 
        /* check string of videosink element */
@@ -975,8 +974,27 @@ int _mmcamcorder_realize(MMHandleType handle)
        _mmcam_dbg_log("Support sensor encoded capture : %d", hcamcorder->sub_context->SensorEncodedCapture);
 
        if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               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) {
+                               _mmcam_dbg_log("DPM camera state %d", dpm_camera_state);
+                               if (dpm_camera_state == DPM_DISALLOWED) {
+                                       _mmcam_dbg_err("CAMERA DISALLOWED by DPM");
+                                       ret = MM_ERROR_COMMON_INVALID_PERMISSION;
+                                       goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+                               }
+                       } else {
+                               _mmcam_dbg_err("get DPM camera state failed, keep going...");
+                       }
+               } else {
+                       _mmcam_dbg_warn("NULL dpm_policy");
+               }
+
                /* prepare resource manager for camera */
-               if((_mmcamcorder_resource_manager_prepare(&hcamcorder->resource_manager, RESOURCE_TYPE_CAMERA))) {
+               ret = _mmcamcorder_resource_manager_prepare(&hcamcorder->resource_manager, RESOURCE_TYPE_CAMERA);
+               if (ret != MM_ERROR_NONE) {
                        _mmcam_dbg_err("could not prepare for camera resource");
                        ret = MM_ERROR_CAMCORDER_INTERNAL;
                        goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
@@ -984,17 +1002,20 @@ int _mmcamcorder_realize(MMHandleType handle)
 
                /* 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_DISPLAY_SURFACE, &display_surface_type,
+                       NULL);
+
+               if (display_surface_type == MM_DISPLAY_SURFACE_OVERLAY) {
+                       ret = _mmcamcorder_resource_manager_prepare(&hcamcorder->resource_manager, RESOURCE_TYPE_VIDEO_OVERLAY);
+                       if(ret != MM_ERROR_NONE) {
                                _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))) {
+               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;
@@ -1125,6 +1146,7 @@ int _mmcamcorder_unrealize(MMHandleType handle)
        }
 
        if (hcamcorder->type == MM_CAMCORDER_MODE_VIDEO_CAPTURE) {
+               /* release resource */
                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");
@@ -1529,6 +1551,7 @@ int _mmcamcorder_record(MMHandleType handle)
        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;
 
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
 
@@ -1556,6 +1579,22 @@ int _mmcamcorder_record(MMHandleType handle)
        /* initialize error code */
        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) {
+                       _mmcam_dbg_log("DPM mic state %d", dpm_mic_state);
+                       if (dpm_mic_state == DPM_DISALLOWED) {
+                               _mmcam_dbg_err("MIC DISALLOWED by DPM");
+                               ret = MM_ERROR_COMMON_INVALID_PERMISSION;
+                               goto _ERR_CAMCORDER_CMD_PRECON_AFTER_LOCK;
+                       }
+               } else {
+                       _mmcam_dbg_err("get DPM mic state failed, keep going...");
+               }
+       } else {
+               _mmcam_dbg_warn("NULL dpm_policy");
+       }
+
        ret = hcamcorder->command((MMHandleType)hcamcorder, _MMCamcorder_CMD_RECORD);
        if (ret != MM_ERROR_NONE) {
                /* check internal error of gstreamer */
@@ -1924,6 +1963,7 @@ 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;
        }
 
@@ -2317,6 +2357,10 @@ void _mmcamcorder_set_state(MMHandleType handle, int state)
                        msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED_BY_RM;
                        msg.param.state.code = MM_ERROR_NONE;
                        break;
+               case _MMCAMCORDER_STATE_CHANGE_BY_DPM:
+                       msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED_BY_SECURITY;
+                       msg.param.state.code = MM_ERROR_NONE;
+                       break;
                case _MMCAMCORDER_STATE_CHANGE_NORMAL:
                default:
                        msg.id = MM_MESSAGE_CAMCORDER_STATE_CHANGED;
@@ -2371,31 +2415,28 @@ _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));
                g_mutex_init(&sc->info_video->size_check_lock);
                break;
        }
@@ -2433,19 +2474,12 @@ _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) {
                        g_mutex_clear(&sc->info_video->size_check_lock);
-                       free(sc->info_video);
-                       sc->info_video = NULL;
                }
+               SAFE_G_FREE(sc->info_video);
                if (sc->element) {
                        free(sc->element);
                        sc->element = NULL;
@@ -2487,10 +2521,7 @@ 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;
-                       }
+                       SAFE_G_FREE(sc->info_video->filename);
                        g_mutex_clear(&sc->info_video->size_check_lock);
                        free(sc->info_video);
                        sc->info_video = NULL;
@@ -2498,10 +2529,7 @@ void _mmcamcorder_dealloc_subcontext(_MMCamcorderSubContext *sc)
 
                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;
                }
@@ -2573,17 +2601,24 @@ gboolean _mmcamcorder_pipeline_cb_message(GstBus *bus, GstMessage *message, gpoi
        }
        case GST_MESSAGE_ERROR:
        {
-               GError *err;
-               gchar *debug;
-               gst_message_parse_error(message, &err, &debug);
+               GError *err = NULL;
+               gchar *debug = NULL;
 
-               _mmcam_dbg_err ("GSTERR: %s", err->message);
-               _mmcam_dbg_err ("Error Debug: %s", debug);
+               gst_message_parse_error(message, &err, &debug);
 
                __mmcamcorder_handle_gst_error((MMHandleType)hcamcorder, message, err);
 
-               g_error_free (err);
-               g_free (debug);
+               if (err) {
+                       _mmcam_dbg_err("GSTERR: %s", err->message);
+                       g_error_free(err);
+                       err = NULL;
+               }
+
+               if (debug) {
+                       _mmcam_dbg_err("Error Debug: %s", debug);
+                       g_free(debug);
+                       debug = NULL;
+               }
                break;
        }
        case GST_MESSAGE_WARNING:
@@ -2829,13 +2864,10 @@ 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;
                        }
 
@@ -2843,7 +2875,7 @@ 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++) {
@@ -2867,8 +2899,7 @@ 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;
@@ -2950,20 +2981,27 @@ GstBusSyncReply _mmcamcorder_audio_pipeline_bus_sync_callback(GstBus *bus, GstMe
                if (err->domain == GST_RESOURCE_ERROR &&
                    GST_ELEMENT_CAST(message->src) == element) {
                        _MMCamcorderMsgItem msg;
+
                        switch (err->code) {
                        case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
                        case GST_RESOURCE_ERROR_OPEN_WRITE:
                                _mmcam_dbg_err("audio device [open failed]");
-                               hcamcorder->error_code = MM_ERROR_COMMON_INVALID_PERMISSION;
+
                                /* post error to application */
                                hcamcorder->error_occurs = TRUE;
+                               hcamcorder->error_code = MM_ERROR_COMMON_INVALID_PERMISSION;
+
                                msg.id = MM_MESSAGE_CAMCORDER_ERROR;
                                msg.param.code = hcamcorder->error_code;
+
+                               _mmcamcorder_send_message((MMHandleType)hcamcorder, &msg);
+
                                _mmcam_dbg_err(" error : sc->error_occurs %d", hcamcorder->error_occurs);
+
                                g_error_free(err);
-                               _mmcamcorder_send_message((MMHandleType)hcamcorder, &msg);
                                gst_message_unref(message);
                                message = NULL;
+
                                return GST_BUS_DROP;
                        default:
                                break;
@@ -2971,7 +3009,6 @@ GstBusSyncReply _mmcamcorder_audio_pipeline_bus_sync_callback(GstBus *bus, GstMe
                }
 
                g_error_free(err);
-
        }
 
        return GST_BUS_PASS;
@@ -3059,7 +3096,7 @@ void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_soun
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(user_data);
        int current_state = MM_CAMCORDER_STATE_NONE;
 
-       mmf_return_if_fail((MMHandleType)hcamcorder);
+       mmf_return_if_fail(hcamcorder);
 
        current_state = _mmcamcorder_get_state((MMHandleType)hcamcorder);
        if (current_state <= MM_CAMCORDER_STATE_NONE ||
@@ -3121,6 +3158,43 @@ void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_soun
 }
 
 
+void _mmcamcorder_dpm_camera_policy_changed_cb(const char *name, const char *value, void *user_data)
+{
+       mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(user_data);
+       int current_state = MM_CAMCORDER_STATE_NONE;
+
+       mmf_return_if_fail(hcamcorder);
+       mmf_return_if_fail(value);
+
+       current_state = _mmcamcorder_get_state((MMHandleType)hcamcorder);
+       if (current_state <= MM_CAMCORDER_STATE_NONE ||
+           current_state >= MM_CAMCORDER_STATE_NUM) {
+               _mmcam_dbg_err("Abnormal state. Or null handle. (%p, %d)", hcamcorder, current_state);
+               return;
+       }
+
+       _mmcam_dbg_warn("camera policy [%s], current state [%d]", value, current_state);
+
+       if (!strcmp(value, "disallowed")) {
+               _MMCAMCORDER_LOCK_ASM(hcamcorder);
+
+               /* set value to inform a status is changed by DPM */
+               hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_DPM;
+
+               __mmcamcorder_force_stop(hcamcorder);
+
+               /* restore value */
+               hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_NORMAL;
+
+               _MMCAMCORDER_UNLOCK_ASM(hcamcorder);
+       }
+
+       _mmcam_dbg_warn("done");
+
+       return;
+}
+
+
 int _mmcamcorder_create_pipeline(MMHandleType handle, int type)
 {
        int ret = MM_ERROR_NONE;
@@ -3518,7 +3592,7 @@ static gboolean __mmcamcorder_handle_gst_error(MMHandleType handle, GstMessage *
 {
        mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
        _MMCamcorderMsgItem msg;
-       gchar *msg_src_element;
+       gchar *msg_src_element = NULL;
        _MMCamcorderSubContext *sc = NULL;
 
        return_val_if_fail(hcamcorder, FALSE);
@@ -3573,10 +3647,12 @@ static gboolean __mmcamcorder_handle_gst_error(MMHandleType handle, GstMessage *
        }
 #endif /* _MMCAMCORDER_SKIP_GST_FLOW_ERROR */
 
-       /* post error to application */
-       hcamcorder->error_occurs = TRUE;
-       msg.id = MM_MESSAGE_CAMCORDER_ERROR;
-       _mmcamcorder_send_message(handle, &msg);
+       /* post error to application except RESTRICTED case */
+       if (msg.param.code != MM_ERROR_POLICY_RESTRICTED) {
+               hcamcorder->error_occurs = TRUE;
+               msg.id = MM_MESSAGE_CAMCORDER_ERROR;
+               _mmcamcorder_send_message(handle, &msg);
+       }
 
        return TRUE;
 }
@@ -3680,6 +3756,40 @@ static gint __mmcamcorder_gst_handle_resource_error(MMHandleType handle, int cod
                }
        }
 
+       /* audiosrc */
+       element = GST_ELEMENT_CAST(sc->encode_element[_MMCAMCORDER_AUDIOSRC_SRC].gst);
+       if (GST_ELEMENT_CAST(message->src) == element) {
+               if (code == GST_RESOURCE_ERROR_FAILED) {
+                       int ret = MM_ERROR_NONE;
+                       int current_state = MM_CAMCORDER_STATE_NONE;
+
+                       _mmcam_dbg_err("DPM mic DISALLOWED - current state %d", current_state);
+
+                       _MMCAMCORDER_LOCK_ASM(hcamcorder);
+
+                       current_state = _mmcamcorder_get_state((MMHandleType)hcamcorder);
+                       if (current_state >= MM_CAMCORDER_STATE_RECORDING) {
+                               /* set value to inform a status is changed by DPM */
+                               hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_BY_DPM;
+
+                               ret = _mmcamcorder_commit((MMHandleType)hcamcorder);
+                               _mmcam_dbg_log("commit result : 0x%x", ret);
+
+                               if (ret != MM_ERROR_NONE) {
+                                       _mmcam_dbg_err("commit failed, cancel it");
+                                       ret = _mmcamcorder_cancel((MMHandleType)hcamcorder);
+                               }
+                       }
+
+                       /* restore value */
+                       hcamcorder->state_change_by_system = _MMCAMCORDER_STATE_CHANGE_NORMAL;
+
+                       _MMCAMCORDER_UNLOCK_ASM(hcamcorder);
+
+                       return MM_ERROR_POLICY_RESTRICTED;
+               }
+       }
+
        /* encodebin */
        element = GST_ELEMENT_CAST(sc->encode_element[_MMCAMCORDER_ENCSINK_VENC].gst);
        if (GST_ELEMENT_CAST(message->src) == element) {