[FFmpeg-user] AC-3 encoding questions

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Nov 1 17:42:54 CET 2011

Thomas Worth <dev <at> rarevision.com> writes:

> >> [ac3 @ 0x101920200] channel_layout not specified
> >
> > (Complete, uncut output missing.)
> >
> > If the wav file really has no channel layout specified, the ac3 encoder will
> > guess the layout (and says so if I am not wrong) as 5.1.
> > Only specify a layout if you don't like what the encoder guesses.
> Hi Carl. Sorry, here's full output. Obviously the channel layout is
> wrong, but you get the idea:

No, because I suspect it is working fine if you do not specify -channel_layout
(that should come before the input file imo), or which layout would you like for
six cahnnel audio?

Carl Eugen

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