[Libav-user] Converting audio sample buffer format

[Carl Eugen Hoyos]

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

> I have found the resampling_audio.c in the FFmpeg 
> source examples which appear to address libswresample, 
> and I have found the filter_audio.c -- it would appear 
> to be an aconvert example -- but if there's more doc 
> somewhere on aconvert, I'd be interested in knowing
> where....that would be great.

The relevant sample code for the filter is in 
doc/examples/filtering_audio.c

> One final question -- what essentially is the 
> difference in approach between aconvert filter 
> and libswresample

The aconvert audio filter uses libswresample for 
conversions, it may depend on your use case if 
you prefer the filter or the library.

Carl Eugen