[FFmpeg-user] speex echo canceling

Carl Eugen Hoyos cehoyos at ag.or.at
Sat Aug 25 07:34:34 CEST 2012

Roger Pack <rogerdpack2 <at> gmail.com> writes:

> Speex is "known for" for its echo canceling abilities.
> Anybody know if those are plugged in in today's
> ./libavcodec/libspeexenc.c
> ? (they don't appear to be?)

Patch welcome.

> I presume, if they're not there, that a good place to implement them
> would be in that same file, instead of in a new codec (or any other
> hints/suggestions in this regard?)

If it should (can) only be used with -vcodec libspeex it should be 
implemented in libspeexenc.c (with a local option), if the idea is 
to use it independently from the encoder, I suspect a libavfilter 
is the correct solution.

Carl Eugen

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