[FFmpeg-devel] [PATCH] avcodec/av1dec: fix matrix coefficients exposed by codec context

[Jan Ekström]

On Tue, Feb 20, 2024 at 8:58 PM Jan Ekström <jeebjp at gmail.com> wrote:
>
> On Tue, Feb 20, 2024 at 8:30 PM James Almer <jamrial at gmail.com> wrote:
> >
> > On 2/20/2024 3:28 PM, Jan Ekström wrote:
> > > `colorspace` in avcodec terms means `matrix coefficients`.
> > > ---
> > >   libavcodec/av1dec.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
> > > index 7ffa7821e9..7debc4deda 100644
> > > --- a/libavcodec/av1dec.c
> > > +++ b/libavcodec/av1dec.c
> > > @@ -743,7 +743,7 @@ static int set_context_with_sequence(AVCodecContext *avctx,
> > >       avctx->color_range =
> > >           seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
> > >       avctx->color_primaries = seq->color_config.color_primaries;
> > > -    avctx->colorspace = seq->color_config.color_primaries;
> > > +    avctx->colorspace = seq->color_config.matrix_coefficients;
> > >       avctx->color_trc = seq->color_config.transfer_characteristics;
> > >
> > >       switch (seq->color_config.chroma_sample_position) {
> >
> > LGTM
>
> Thanks, applied as 37936b09ce316c32c456539afeb748d472088135 on master.
>
> Will attempt to cherry-pick this as far as possible.

This fix was cherry-picked to releases 6.1 (a267d4ad4c92), 6.0
(511b84442323), 5.1 (9bf90b126028), 5.0 (6073fff84d0d), 4.4
(5507a4062496), in which libavcodec/av1dec.c exists.

Jan