pub unsafe extern "C" fn gst_rtsp_onvif_media_factory_requires_backchannel(
factory: *mut GstRTSPMediaFactory,
ctx: *mut GstRTSPContext
) -> gboolean
pub unsafe extern "C" fn gst_rtsp_onvif_media_factory_requires_backchannel(
factory: *mut GstRTSPMediaFactory,
ctx: *mut GstRTSPContext
) -> gboolean