for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) {
let mut br = BitReader::new(input, input.len(), BitReaderMode::BE);
for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) {
let mut br = BitReader::new(input, input.len(), BitReaderMode::BE);