[FFmpeg-user] 8 channels audio to 8 x 1 channel audio

[me at renecalles.de]

On Mon, 24 Oct 2011 16:23:08 +0100, Mark Himsley wrote:
> Hi Igor,
>
> On 24/10/11 16:01, Igor Podobiński wrote:
>> Hello,
>> This is output of 
>> ffprobe:-----------------------------------------------------------------------------------------------------------Input 
>> #0, mxf, from 'd:\Media\PFR\test.mxf':  Duration: 00:00:19.56, start: 
>> 0.000000, bitrate: 62570 kb/s    Stream #0:0: Video: mpeg2video 
>> (4:2:2), yuv422p, 720x608 [SAR 608:405DAR 16:9], 50000 kb/s, 25 fps, 
>> 25 tbr, 25 tbn, 50 tbc    Stream #0:1: Audio: pcm_s16le, 48000 Hz, 8 
>> channels, s16, 6144 
>> kb/s------------------------------------------------------------------------------------------------------------I 
>> am trying to demux this mxf file into:- 1 video file (m2v)- 8 mono 
>> audio files (wav) or 4 stereo files
>> Is it even possible with ffmpeg?
>> Thanks,Igor
>
> I believe that is currently only possible with ffmbc and it's
> -map_audio_channel command, but patches are appearing on the ffmpeg's
> development email list that suggest it'll be possible in ffmpeg soon.
>
> Hope that helps.

Hi Igor,

as i had to deal with it last time i had to use a different tool for 
that.

You could try to demux the audio as is and then use i.e. sox (linux) or 
BeSweet for splitting/re-arranging the audio channels.

Hope this helps.

René