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avcodec/av1dec: signal new AVFilmGrainParams members

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Not directly signalled by AV1, but we should still set this accordingly
so that users will know what the original intended video characteristics
and chroma resolution were.
This commit is contained in:
Niklas Haas
2024-03-15 11:44:28 +01:00
parent ad7f059180
commit 511f297680
1 changed files with 10 additions and 0 deletions
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libavcodec/av1dec.c
+10
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@@ -1074,9 +1074,11 @@ static int export_film_grain(AVCodecContext *avctx, AVFrame *frame)
{
AV1DecContext *s = avctx->priv_data;
const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(frame->format);
AVFilmGrainParams *fgp;
AVFilmGrainAOMParams *aom;
av_assert0(pixdesc);
if (!film_grain->apply_grain)
return 0;
@@ -1086,6 +1088,14 @@ static int export_film_grain(AVCodecContext *avctx, AVFrame *frame)
fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
fgp->seed = film_grain->grain_seed;
fgp->width = frame->width;
fgp->height = frame->height;
fgp->color_range = frame->color_range;
fgp->color_primaries = frame->color_primaries;
fgp->color_trc = frame->color_trc;
fgp->color_space = frame->colorspace;
fgp->subsampling_x = pixdesc->log2_chroma_w;
fgp->subsampling_y = pixdesc->log2_chroma_h;
aom = &fgp->codec.aom;
aom->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;