pub unsafe extern "C" fn gst_buffer_add_video_afd_meta(
buffer: *mut GstBuffer,
field: u8,
spec: GstVideoAFDSpec,
afd: GstVideoAFDValue,
) -> *mut GstVideoAFDMeta
pub unsafe extern "C" fn gst_buffer_add_video_afd_meta(
buffer: *mut GstBuffer,
field: u8,
spec: GstVideoAFDSpec,
afd: GstVideoAFDValue,
) -> *mut GstVideoAFDMeta