[FFmpeg-devel] [PATCH 1/3] libavfilter/scale2ref: Add constants for the non-ref input

[Gyan]

On Tue, May 30, 2017 at 3:27 PM, Kevin Mark <kmark937 at gmail.com> wrote:


>
> Sounds good. If my understanding is correct, you would recommend changing
> the
> scale2ref=iw/6:iw/(6*main_a) [main][ref]
> example to
> scale2ref=iw/6:iw/(6*mdar) [main][ref]
> correct?
>

I prefer   scale2ref=iw/6:ow/mdar [main][ref]     or
scale2ref=oh*mdar:ih/6 [main][ref]

This way, the expression complementary to the one specified remains fixed.