[FFmpeg-devel] [PATCH v2 1/5] avutil/dovi_meta: add dv_md_compression to cfg record

[Niklas Haas <ffmpeg@haasn.xyz>]

From: Niklas Haas <git@haasn.dev>

This field is used to signal the compression method in use.
---
 doc/APIchanges        | 3 +++
 libavutil/dovi_meta.h | 9 +++++++++
 libavutil/version.h   | 2 +-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 5751216b24..80ab3012c3 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2024-07-16 - xxxxxxxxxx - lavu 59.29.100 - dovi_meta.h
+  Add AVDOVIDecoderConfigurationRecord.dv_md_compression.
+
 2024-07-xx - xxxxxxxxxx - lavf 61 - avformat.h
   Deprecate avformat_transfer_internal_stream_timing_info()
   and av_stream_get_codec_timebase() without replacement.
diff --git a/libavutil/dovi_meta.h b/libavutil/dovi_meta.h
index e168075a24..c942d0e133 100644
--- a/libavutil/dovi_meta.h
+++ b/libavutil/dovi_meta.h
@@ -46,6 +46,7 @@
  * uint8_t  el_present_flag
  * uint8_t  bl_present_flag
  * uint8_t  dv_bl_signal_compatibility_id
+ * uint8_t  dv_md_compression, the compression method in use
  * @endcode
  *
  * @note The struct must be allocated with av_dovi_alloc() and
@@ -60,8 +61,16 @@ typedef struct AVDOVIDecoderConfigurationRecord {
     uint8_t el_present_flag;
     uint8_t bl_present_flag;
     uint8_t dv_bl_signal_compatibility_id;
+    uint8_t dv_md_compression;
 } AVDOVIDecoderConfigurationRecord;
 
+enum AVDOVICompression {
+    AV_DOVI_COMPRESSION_NONE     = 0,
+    AV_DOVI_COMPRESSION_LIMITED  = 1,
+    AV_DOVI_COMPRESSION_RESERVED = 2,
+    AV_DOVI_COMPRESSION_EXTENDED = 3,
+};
+
 /**
  * Allocate a AVDOVIDecoderConfigurationRecord structure and initialize its
  * fields to default values.
diff --git a/libavutil/version.h b/libavutil/version.h
index 814892a4d5..852eeef1d6 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  28
+#define LIBAVUTIL_VERSION_MINOR  29
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-- 
2.45.2

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