[FFmpeg-user] Separate logging/STDERR/STDOUT for 2+ output files.

Roger Pack rogerdpack2 at gmail.com
Tue Oct 16 23:34:47 CEST 2012


> I want to encode  file1 and  file2 from the same source (huge lossless
> video file):
>
> `./ffmpeg -i 350GB_source.mov preset_X X.mp4 preset_Y Y.mp4`
>
> I want to monitor stdout and stderr for X.mp4 and Y.mp4 separately if
> possible.

Is it too expensive to just use 2 processes?
Anyway, my original suggestion is to use a "tee" to have it input from
one ffmpeg, then output to stdout, then split to the 2 (separate)
ffmpeg encode processes, ref:
http://ffmpeg.org/trac/ffmpeg/wiki/Creating%20multiple%20outputs


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