fn deblock_hor(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
let stride = buf.get_stride(comp);
let mut dptr = buf.get_data_mut();
fn deblock_hor(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
let stride = buf.get_stride(comp);
let mut dptr = buf.get_data_mut();