pub unsafe extern "C" fn gst_rtsp_onvif_media_factory_has_backchannel_support(
factory: *mut GstRTSPOnvifMediaFactory
) -> gboolean
pub unsafe extern "C" fn gst_rtsp_onvif_media_factory_has_backchannel_support(
factory: *mut GstRTSPOnvifMediaFactory
) -> gboolean