[FFmpeg-devel] [PATCH] avfilter/video: pick sar from link

[Paul B Mahol]

On 12/10/17, Nicolas George <george at nsup.org> wrote:
> Paul B Mahol (2017-12-09):
>> No new patches require it, it is for case such stereo3d and setsar and
>> bunch
>> of others that may need to explicitly set sample aspect ratio to each
>> frame.
>
> "May need" is not always a good way of designing changes. It would be
> much better if you actually changed these filters at the same time to
> use it. That way you can be more sure that you did not mess things up in
> a subtle way.

Is changing inlink parameters valid at all?