#!/bin/sh
mkdir out
fd -e flac -d1 -x ffmpeg -i {} -c:v copy -c:a flac -compression_level 12\
    -af aresample=resampler=soxr:precision=32:dither_method=triangular\
    -sample_fmt s16 "$@" out/{}
( cd out && comparedir .. )

fd -e flac -d1 -x flac -f8 {} -o out/{}
( cd out && comparedir .. )
rm -r out