bool _mmcamcorder_set_camera_resolution(MMHandleType handle, int width, int height);
bool _mmcamcorder_set_encoded_preview_bitrate(MMHandleType handle, int bitrate);
bool _mmcamcorder_set_encoded_preview_gop_interval(MMHandleType handle, int gop);
+bool _mmcamcorder_set_sound_stream_info(GstElement *element, char *stream_type, int stream_index);
#ifdef __cplusplus
}
#endif