Function gst_ rtsp_ stream_ get_ protocols 
Source pub unsafe extern "C" fn gst_rtsp_stream_get_protocols(
    stream: *mut GstRTSPStream,
) -> GstRTSPLowerTranspub unsafe extern "C" fn gst_rtsp_stream_get_protocols(
    stream: *mut GstRTSPStream,
) -> GstRTSPLowerTrans