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avutil/dovi_meta: document static vs dynamic ext blocks

This commit is contained in:
Niklas Haas 2024-07-10 13:41:04 +02:00
parent ae31acd702
commit 2a2e0aced2
1 changed files with 15 additions and 13 deletions
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28
libavutil/dovi_meta.h
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@ -301,26 +301,28 @@ typedef struct AVDOVIDmLevel255 {
} AVDOVIDmLevel255;
/**
* Dolby Vision metadata extension block.
* Dolby Vision metadata extension block. Dynamic extension blocks may change
* from frame to frame, while static blocks are constant throughout the entire
* sequence.
*
* @note sizeof(AVDOVIDmData) is not part of the public API.
*/
typedef struct AVDOVIDmData {
uint8_t level; /* [1, 255] */
union {
AVDOVIDmLevel1 l1;
AVDOVIDmLevel2 l2; /* may appear multiple times */
AVDOVIDmLevel3 l3;
AVDOVIDmLevel4 l4;
AVDOVIDmLevel5 l5;
AVDOVIDmLevel6 l6;
AVDOVIDmLevel1 l1; /* dynamic */
AVDOVIDmLevel2 l2; /* dynamic, may appear multiple times */
AVDOVIDmLevel3 l3; /* dynamic */
AVDOVIDmLevel4 l4; /* dynamic */
AVDOVIDmLevel5 l5; /* dynamic */
AVDOVIDmLevel6 l6; /* static */
/* level 7 is currently unused */
AVDOVIDmLevel8 l8; /* may appear multiple times */
AVDOVIDmLevel9 l9;
AVDOVIDmLevel10 l10; /* may appear multiple times */
AVDOVIDmLevel11 l11;
AVDOVIDmLevel254 l254;
AVDOVIDmLevel255 l255;
AVDOVIDmLevel8 l8; /* dynamic, may appear multiple times */
AVDOVIDmLevel9 l9; /* dynamic */
AVDOVIDmLevel10 l10; /* static, may appear multiple times */
AVDOVIDmLevel11 l11; /* dynamic */
AVDOVIDmLevel254 l254; /* static */
AVDOVIDmLevel255 l255; /* static */
};
} AVDOVIDmData;