[FFmpeg-user] Using ffmpeg to
Carl Eugen Hoyos
cehoyos at ag.or.at
Tue Mar 3 14:53:28 CET 2015
Moritz Barsnick <barsnick <at> gmx.net> writes:
> $ ffmpeg -i source.iso -analyzeduration M -probesize N
This will not work.
$ ffmpeg -analyzeduration 2G -probesize 2G -i source.iso
Note that mplayer -dumpstream should normally be used
to extract a stream from iso.
> - There may be junk at the beginning which ffmpeg
> can't interpret. That could be cut away. But we
> wouldn't know with a (sub-)sample.
analyzeduration and probesize should work around this,
there is also skip_initial_bytes
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