scripts/fish/find-stereo

20 line
487 B
Fish

#!/usr/bin/env fish
function find-stereo -d 'Finds files that are stereo'
set filter 'pan=mono|c0=0.5*FL+-0.5*FR,silenceremove=start_periods=1:detection=peak'
for f in $argv
set out (ffmpeg -nostdin -loglevel error -i "$f" -filter_complex "$filter" -t 0.00002 -f crc -)
if test "$out" != 'CRC=0x00000001'
set other /tmp/(basename "$f")
echo "$f is stereo, converting"
ffmpeg -i "$f" -ac 1 "$other" && mv "$other" "$f"
else
echo "$f is mono"
end
end
end
## EOF