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Code Issues Releases Activity

avcodec/libdavv1d: 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 11:45:06 +01:00
parent 511f297680
commit 1539efaacb
1 changed files with 10 additions and 0 deletions
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10
libavcodec/libdav1d.c
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@ -588,6 +588,8 @@ static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
if (p->frame_hdr->film_grain.present && (!dav1d->apply_grain ||
(c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN))) {
AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame);
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(frame->format);
av_assert0(pixdesc);
if (!fgp) {
res = AVERROR(ENOMEM);
goto fail;
@ -595,6 +597,14 @@ static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
fgp->seed = p->frame_hdr->film_grain.data.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;
fgp->codec.aom.num_y_points = p->frame_hdr->film_grain.data.num_y_points;
fgp->codec.aom.chroma_scaling_from_luma = p->frame_hdr->film_grain.data.chroma_scaling_from_luma;
fgp->codec.aom.scaling_shift = p->frame_hdr->film_grain.data.scaling_shift;