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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /media/ffvpx/libavutil/film_grain_params.c | |
parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavutil/film_grain_params.c')
-rw-r--r-- | media/ffvpx/libavutil/film_grain_params.c | 68 |
1 files changed, 66 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/film_grain_params.c b/media/ffvpx/libavutil/film_grain_params.c index 930d23c7fe..0a6004b6b3 100644 --- a/media/ffvpx/libavutil/film_grain_params.c +++ b/media/ffvpx/libavutil/film_grain_params.c @@ -17,6 +17,8 @@ */ #include "film_grain_params.h" +#include "mem.h" +#include "pixdesc.h" AVFilmGrainParams *av_film_grain_params_alloc(size_t *size) { @@ -30,13 +32,75 @@ AVFilmGrainParams *av_film_grain_params_alloc(size_t *size) AVFilmGrainParams *av_film_grain_params_create_side_data(AVFrame *frame) { + AVFilmGrainParams *fgp; AVFrameSideData *side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_FILM_GRAIN_PARAMS, sizeof(AVFilmGrainParams)); if (!side_data) return NULL; - memset(side_data->data, 0, sizeof(AVFilmGrainParams)); + fgp = (AVFilmGrainParams *) side_data->data; + *fgp = (AVFilmGrainParams) { + .color_range = AVCOL_RANGE_UNSPECIFIED, + .color_primaries = AVCOL_PRI_UNSPECIFIED, + .color_trc = AVCOL_TRC_UNSPECIFIED, + .color_space = AVCOL_SPC_UNSPECIFIED, + }; - return (AVFilmGrainParams *)side_data->data; + return fgp; +} + +const AVFilmGrainParams *av_film_grain_params_select(const AVFrame *frame) +{ + const AVFilmGrainParams *fgp, *best = NULL; + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); + int bit_depth_luma, bit_depth_chroma; + if (!desc) + return NULL; + + /* There are no YUV formats with different bit depth per component, + * so just check both against the first component for simplicity */ + bit_depth_luma = bit_depth_chroma = desc->comp[0].depth; + + for (int i = 0; i < frame->nb_side_data; i++) { + if (frame->side_data[i]->type != AV_FRAME_DATA_FILM_GRAIN_PARAMS) + continue; + fgp = (const AVFilmGrainParams*)frame->side_data[i]->data; + if (fgp->width && fgp->width > frame->width || + fgp->height && fgp->height > frame->height) + continue; + +#define CHECK(a, b, unspec) \ + if ((a) != (unspec) && (b) != (unspec) && (a) != (b)) \ + continue + + CHECK(fgp->bit_depth_luma, bit_depth_luma, 0); + CHECK(fgp->bit_depth_chroma, bit_depth_chroma, 0); + CHECK(fgp->color_range, frame->color_range, AVCOL_RANGE_UNSPECIFIED); + CHECK(fgp->color_primaries, frame->color_primaries, AVCOL_PRI_UNSPECIFIED); + CHECK(fgp->color_trc, frame->color_trc, AVCOL_TRC_UNSPECIFIED); + CHECK(fgp->color_space, frame->colorspace, AVCOL_SPC_UNSPECIFIED); + + switch (fgp->type) { + case AV_FILM_GRAIN_PARAMS_NONE: + continue; + case AV_FILM_GRAIN_PARAMS_AV1: + /* AOM FGS needs an exact match for the chroma resolution */ + if (fgp->subsampling_x != desc->log2_chroma_w || + fgp->subsampling_y != desc->log2_chroma_h) + continue; + break; + case AV_FILM_GRAIN_PARAMS_H274: + /* H.274 FGS can be adapted to any lower chroma resolution */ + if (fgp->subsampling_x > desc->log2_chroma_w || + fgp->subsampling_y > desc->log2_chroma_h) + continue; + break; + } + + if (!best || best->width < fgp->width || best->height < fgp->height) + best = fgp; + } + + return best; } |