[Libav-user] Audio 5.1 downsample to stereo broken in swresample?

[Hendrik Leppkes]

On Mon, Jun 17, 2013 at 4:28 PM, Gonzalo Garramuno <ggarra13 at gmail.com> wrote:
> On 17/06/13 04:47, Nicolas George wrote:
>>
>> Can you reproduce the problem using the ffmpeg command-line tools? I just
>> tried and the conversion works as expected.
>
> I find ffmpeg does not rely on swresample for the conversion (at least
> there's no swr_init in the code).
> ffplay does use swresample, but only if avfilter is not used, it seems.
>

ffmpeg uses avfilter, which in turn uses swresample.