[FFmpeg-user] Need more detailed description of the behaviour of the "-ac <channelcount>" option

[Carl Eugen Hoyos]

Christoph Gerstbauer <christophgerstbauer <at> gmail.com> writes:

> I just want to prevent surprises when using -ac ;)

Then please don't use it, use an audiofilter instead.
(The one that fits your needs.)

I am not convinced that the current mapping of -ac 
to aresample is immutable.
(Even if it is, you can still use the filter and 
you are on the safe side.)

Carl Eugen