From: Niklas Haas <[email protected]>
---
libavutil/dovi_meta.h | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/libavutil/dovi_meta.h b/libavutil/dovi_meta.h
index c942d0e133..5e8a1e43d7 100644
--- a/libavutil/dovi_meta.h
+++ b/libavutil/dovi_meta.h
@@ -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;
--
2.45.2
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