[FFmpeg-devel] [PATCH v4 1/2] libavcodec/libaomenc.c: Support gray input

[James Zern]

On Mon, Jun 8, 2020 at 2:56 AM Moritz Barsnick <barsnick at gmx.net> wrote:
>
> On Sun, May 10, 2020 at 00:59:25 +0900, Ryo Hirafuji wrote:
> > I can create and send a new patch without these workaround lines, but of
> > course, it will crash if the ffmpeg will be built with older versions of
> > libaom.
>
> Actually, it depends on the runtime version of the library, not which
> version it was built against. (They can differ.)
>
> You could encapsulate the code into a check of aom_codec_version() >
> (1<<16|0<<8|0). Assuming 1.0.0 is the current, buggy release.
>
> > How should I resolve this backward compatibility issue? or I don't have to
> > consider it?
>
> Having a workaround for a known issue does not hurt, IMO, especially
> since a fixed version is not available yet (or is it?).
>

2.0.0 is out. libaomenc.c just got an update to remove the
experimental flag when it's present:
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/49d37b4b618b20669bbd7081e6af2aecf9c09745?hp=4bc5eb27a74e3eb1805f21a33d4ef08f8f7026e4