[FFmpeg-devel] [PATCH 3/3] [RFC] Remove libopenjpegenc

[Pierre-Anthony Lemieux]

On Wed, Apr 5, 2023 at 5:55 AM Tomas Härdin <git at haerdin.se> wrote:
>
> fre 2023-03-31 klockan 01:14 +0200 skrev Michael Niedermayer:
> > FFmpeg has its own jpeg2000 encoder
> > This avoids a dependency
> >
> > This is not ready yet as we still miss xyz / ya pixel formats, and
> > some cinama stuff, but
> > it seems this should be the direction to aim at. And it seems there
> > is not much missing
>
> If we can reach feature parity then this sounds OK. In retrospect maybe
> I should have worked on improving libopenjpeg performance instead. Oh
> well.
>
> We need the HT stuff in, and also my threading patchset rebased and
> pushed as well. Else we'll have worse performance than opj. With my
> patchset, and a bit of work on Caleb and pal's patchset,

I think we have addressed all comments on the v2 patchset.

Maybe give it a last look?

> then we might
> be able to bring j2k performance (both part1 and ht) far above opj
>
> There may be some other details as well regarding features of j2kdec vs
> opj but I forget
>
> /Tomas
>
>
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