Function gstreamer_video_sys::gst_video_vbi_parser_get_ancillary

pub unsafe extern "C" fn gst_video_vbi_parser_get_ancillary(
    parser: *mut GstVideoVBIParser, 
    anc: *mut GstVideoAncillary
) -> GstVideoVBIParserResult

This is supported on crate feature v1_16 only.