pub unsafe extern "C" fn gst_rtsp_transport_get_media_type(
transport: *mut GstRTSPTransport,
media_type: *mut *const c_char
) -> GstRTSPResult
pub unsafe extern "C" fn gst_rtsp_transport_get_media_type(
transport: *mut GstRTSPTransport,
media_type: *mut *const c_char
) -> GstRTSPResult