[FFmpeg-user] Audio Channel mapping: 8 channel to 2 channel stream, dropping input channels 3-8

Nicolas George nicolas.george at normalesup.org
Sun Jul 8 10:51:04 CEST 2012

Le primidi 21 messidor, an CCXX, Dan Flett a écrit :
> I have tried various filters such as channelmap, pan, etc.  No matter what I
> do, the filters always seem to detect the 8 channel input stream as a 7.1
> audio format (which it isn't - it's 8 discrete, unrelated audio channels -
> not surround sound), and always performs a downmix.

channelmap is not supported. pan would be my advice for that task.

Please post the exact command line you tried with pan (the best one if you
tried several) and the full corresponding console output.


  Nicolas George
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