Am 06.09.18 um 00:21 schrieb Jeanette C.:
mpv --af
channelmap:map="0,1,1,0":channeml_layout=2 file.wav
The channelmap can't be parsed.
This does the trick:
mpv "-af=channelmap=0-1|1-0|" <inputfile>
Here is the reference for the syntax (since channelmap is a libavfilter
filter):
https://ffmpeg.org/ffmpeg-filters.html#channelmap
which is linked from the manpage in PDF format found here:
https://github.com/mpv-player/mpv/wiki
HTH, Chris