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

[Roger Pack]

> I'm trying to generate multiple outputs in one run and looking at a way
> separating the logging/stderr/stdout for each output. Want to be able to
> monitor for warnings/errors per output instance.

what's an example command line?
anyway, i would suggest using grep, if they have something
distinguishable about the lines.  If that doesn't work then I'd
suggest piping the input to stdout then to a 'tee" or something like
it.
-r