GList *buffer_probes; /**< a list of buffer probe handle */
GList *event_probes; /**< a list of event probe handle */
GList *signals; /**< a list of signal handle */
+#ifdef _MMCAMCORDER_ENABLE_IDLE_MESSAGE_CALLBACK
GList *msg_data; /**< a list of msg data */
+#endif /* _MMCAMCORDER_ENABLE_IDLE_MESSAGE_CALLBACK */
camera_conf *conf_main; /**< Camera configure Main structure */
camera_conf *conf_ctrl; /**< Camera configure Control structure */
guint pipeline_cb_event_id; /**< Event source ID of pipeline message callback */