[FFmpeg-devel] [PATCH] avfilter/vf_eq: add support for alpha channel

[Konstantin Mamalakis]

Thanks, I'd rather _not_ have my real name on it

On Wed, 20 Oct 2021 at 15:19, Michael Niedermayer <michael at niedermayer.cc>
wrote:

> On Mon, Oct 18, 2021 at 02:29:48PM +0300, konstantin at boffins.se wrote:
> > From: KM <the.real.laplace at gmail.com>
> >
> > ---
> >  libavfilter/vf_eq.c | 15 ++++++++-------
> >  1 file changed, 8 insertions(+), 7 deletions(-)
> >
> > diff --git a/libavfilter/vf_eq.c b/libavfilter/vf_eq.c
> > index 4a0d85e8e5..80ab21efb3 100644
> > --- a/libavfilter/vf_eq.c
> > +++ b/libavfilter/vf_eq.c
> > @@ -236,9 +236,9 @@ static const enum AVPixelFormat pixel_fmts_eq[] = {
> >      AV_PIX_FMT_GRAY8,
> >      AV_PIX_FMT_YUV410P,
> >      AV_PIX_FMT_YUV411P,
> > -    AV_PIX_FMT_YUV420P,
> > -    AV_PIX_FMT_YUV422P,
> > -    AV_PIX_FMT_YUV444P,
> > +    AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
> > +    AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
> > +    AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P,
> >      AV_PIX_FMT_NONE
> >  };
> >
> > @@ -281,12 +281,13 @@ static int filter_frame(AVFilterLink *inlink,
> AVFrame *in)
> >              h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
> >          }
> >
> > -        if (eq->param[i].adjust)
> > -            eq->param[i].adjust(&eq->param[i], out->data[i],
> out->linesize[i],
> > -                                 in->data[i], in->linesize[i], w, h);
> > -        else
> > +        if (i == 3 || !eq->param[i].adjust)
> >              av_image_copy_plane(out->data[i], out->linesize[i],
> >                                  in->data[i], in->linesize[i], w, h);
> > +
> > +        else
> > +            eq->param[i].adjust(&eq->param[i], out->data[i],
> out->linesize[i],
> > +                                 in->data[i], in->linesize[i], w, h);
> >      }
>
> change LGTM
> not sure you want or dont want a real name in the author field but iam
> asking
> as it cannot be changed later ?
>
> thx
>
> [...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> Those who are best at talking, realize last or never when they are wrong.
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