/* register pipeline message callback */
hcamcorder->encode_pipeline_cb_event_id = gst_bus_add_watch(bus, (GstBusFunc)_mmcamcorder_pipeline_cb_message, hcamcorder);
+ /* set sync handler */
+ gst_bus_set_sync_handler(bus, _mmcamcorder_encode_pipeline_bus_sync_callback, (gpointer)hcamcorder, NULL);
+
gst_object_unref(bus);
bus = NULL;