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lavc: add content light/mastering display side data wrappers

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This commit is contained in:
Anton Khirnov 2024-02-23 10:12:46 +01:00
parent 8a70c5cb93
commit 6dd832673b
2 changed files with 46 additions and 0 deletions
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25
libavcodec/decode.c
View File

@ -35,6 +35,7 @@
#include "libavutil/hwcontext.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mastering_display_metadata.h"
#include "avcodec.h"
#include "avcodec_internal.h"
@ -1857,6 +1858,30 @@ finish:
return ret;
}
int ff_decode_mastering_display_new(const AVCodecContext *avctx, AVFrame *frame,
AVMasteringDisplayMetadata **mdm)
{
if (side_data_pref(avctx, frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) {
*mdm = NULL;
return 0;
}
*mdm = av_mastering_display_metadata_create_side_data(frame);
return *mdm ? 0 : AVERROR(ENOMEM);
}
int ff_decode_content_light_new(const AVCodecContext *avctx, AVFrame *frame,
AVContentLightMetadata **clm)
{
if (side_data_pref(avctx, frame, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) {
*clm = NULL;
return 0;
}
*clm = av_content_light_metadata_create_side_data(frame);
return *clm ? 0 : AVERROR(ENOMEM);
}
int ff_copy_palette(void *dst, const AVPacket *src, void *logctx)
{
size_t size;

21
libavcodec/decode.h
View File

@ -175,4 +175,25 @@ int ff_frame_new_side_data_from_buf(const AVCodecContext *avctx,
AVFrame *frame, enum AVFrameSideDataType type,
AVBufferRef **buf, AVFrameSideData **sd);
struct AVMasteringDisplayMetadata;
struct AVContentLightMetadata;
/**
* Wrapper around av_mastering_display_metadata_create_side_data(), which
* rejects side data overridden by the demuxer. Returns 0 on success, and a
* negative error code otherwise. If successful, *mdm may either be a pointer to
* the new side data, or NULL in case the side data was already present.
*/
int ff_decode_mastering_display_new(const AVCodecContext *avctx, AVFrame *frame,
struct AVMasteringDisplayMetadata **mdm);
/**
* Wrapper around av_content_light_metadata_create_side_data(), which
* rejects side data overridden by the demuxer. Returns 0 on success, and a
* negative error code otherwise. If successful, *clm may either be a pointer to
* the new side data, or NULL in case the side data was already present.
*/
int ff_decode_content_light_new(const AVCodecContext *avctx, AVFrame *frame,
struct AVContentLightMetadata **clm);
#endif /* AVCODEC_DECODE_H */