[Libav-user] Converting audio sample buffer format

[Carl Eugen Hoyos]

Brad O'Hearne <brado at ...> writes:

> On Feb 18, 2013, at 4:43 PM, Carl Eugen Hoyos wrote:
> 
> > The aconvert audio filter uses libswresample for 
> > conversions, it may depend on your use case if 
> > you prefer the filter or the library.
> 
> In reading through FFmpeg source, it would appear 
> that the libswresample/swresample.h and
> libavresample/avresample.h are very similar.

> Are these libraries interchangeable

No, I don't think so (libavresample was written to be not 
interchangeable with libswresample so I would at least be 
surprised).

> -- is there any reason to use one over the other? 

Yes, only libswresample is supported, libavresample 
is not even built by default.

Please read this article if you need more information:
http://blog.pkh.me/p/13-the-ffmpeg-libav-situation.html

Carl Eugen