[FFmpeg-user] Keeping unset channel mask after amerge filter

Tobias Rapp t.rapp at noa-audio.com
Wed Mar 26 17:03:38 CET 2014

Nicolas George wrote:
> Le quintidi 5 germinal, an CCXXII, Tobias Rapp a écrit :
> > I tried to unset the channel mask with "aformat" but failed. Is there a way
> > to unset the channel mask?
> I believe this is not currently possible.
> To expand a little, support for unknown channel layouts is partial and comes
> on top of code from the fork that requires known channel layouts. A lot of
> filters do not have it.

Thanks for the background info.

> I have no good workaround for you, the best I can suggest is to use an
> intermediary format that does not store the channel layout. NUT seems to be
> in that case for now.

Will give it a try.


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