pub unsafe extern "C" fn gst_rtsp_message_set_body_buffer(
msg: *mut GstRTSPMessage,
buffer: *mut GstBuffer,
) -> GstRTSPResult
pub unsafe extern "C" fn gst_rtsp_message_set_body_buffer(
msg: *mut GstRTSPMessage,
buffer: *mut GstBuffer,
) -> GstRTSPResult