When muxing to Matroska, write the Block Additional Mapping
if there is AV_PKT_DATA_DOVI_CONF side data present.
Most of the code was implemented by Plex developers.
Signed-off-by: quietvoid <tcchlis...@gmail.com>
---
libavformat/Makefile | 2 +-
libavformat/dovi_isom.c | 45 +++++++++++++++++++++++++++++++++++++++
libavformat/dovi_isom.h | 5 +++++
libavformat/matroskaenc.c | 32 ++++++++++++++++++++++++++++
4 files changed, 83 insertions(+), 1 deletion(-)
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 61a1fecf6c..680030014d 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -317,7 +317,7 @@ OBJS-$(CONFIG_MATROSKA_DEMUXER) += matroskadec.o
matroska.o \
OBJS-$(CONFIG_MATROSKA_MUXER) += matroskaenc.o matroska.o \
av1.o avc.o hevc.o isom_tags.o \
flacenc_header.o avlanguage.o \
- vorbiscomment.o wv.o
+ vorbiscomment.o wv.o dovi_isom.o
OBJS-$(CONFIG_MCA_DEMUXER) += mca.o
OBJS-$(CONFIG_MCC_DEMUXER) += mccdec.o subtitles.o
OBJS-$(CONFIG_MD5_MUXER) += hashenc.o
diff --git a/libavformat/dovi_isom.c b/libavformat/dovi_isom.c
index 3eafa0d13b..15acc5cbce 100644
--- a/libavformat/dovi_isom.c
+++ b/libavformat/dovi_isom.c
@@ -19,6 +19,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavcodec/put_bits.h"
+
#include "libavutil/dovi_meta.h"
#include "avformat.h"
@@ -77,4 +79,47 @@ int ff_isom_parse_dvcc_dvvc(AVFormatContext *s, AVStream
*st, const uint8_t *buf
);
return 0;
+}
+
+int ff_isom_put_dvcc_dvvc(AVFormatContext *s, uint8_t *out, int size, uint32_t
*type,
+ AVDOVIDecoderConfigurationRecord *dovi)
+{
+ PutBitContext pb;
+ init_put_bits(&pb, out, size);
+
+ if (size < ISOM_DVCC_DVVC_SIZE)
+ return AVERROR(EINVAL);
+
+ if (dovi->dv_profile > 7)
+ *type = MKBETAG('d', 'v', 'v', 'C');
+ else
+ *type = MKBETAG('d', 'v', 'c', 'C');
+
+ put_bits(&pb, 8, dovi->dv_version_major);
+ put_bits(&pb, 8, dovi->dv_version_minor);
+ put_bits(&pb, 7, dovi->dv_profile);
+ put_bits(&pb, 6, dovi->dv_level);
+ put_bits(&pb, 1, dovi->rpu_present_flag);
+ put_bits(&pb, 1, dovi->el_present_flag);
+ put_bits(&pb, 1, dovi->bl_present_flag);
+ put_bits(&pb, 4, dovi->dv_bl_signal_compatibility_id);
+
+ put_bits(&pb, 28, 0); /* reserved */
+ put_bits32(&pb, 0); /* reserved */
+ put_bits32(&pb, 0); /* reserved */
+ put_bits32(&pb, 0); /* reserved */
+ put_bits32(&pb, 0); /* reserved */
+ flush_put_bits(&pb);
+
+ av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d,
level: %d, "
+ "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
+ dovi->dv_profile > 7 ? "dvvC" : "dvcC",
+ dovi->dv_version_major, dovi->dv_version_minor,
+ dovi->dv_profile, dovi->dv_level,
+ dovi->rpu_present_flag,
+ dovi->el_present_flag,
+ dovi->bl_present_flag,
+ dovi->dv_bl_signal_compatibility_id);
+
+ return put_bytes_output(&pb);
}
\ No newline at end of file
diff --git a/libavformat/dovi_isom.h b/libavformat/dovi_isom.h
index 9d9a05bdb0..b58ab1bea0 100644
--- a/libavformat/dovi_isom.h
+++ b/libavformat/dovi_isom.h
@@ -23,7 +23,12 @@
#define AVFORMAT_DOVI_ISOM_H
#include "avformat.h"
+#include "libavutil/dovi_meta.h"
+
+#define ISOM_DVCC_DVVC_SIZE 24
int ff_isom_parse_dvcc_dvvc(AVFormatContext *s, AVStream *st, const uint8_t
*buf_ptr, uint64_t size);
+int ff_isom_put_dvcc_dvvc(AVFormatContext *s, uint8_t *out, int size, uint32_t
*type,
+ AVDOVIDecoderConfigurationRecord *dovi);
#endif /* AVFORMAT_DOVI_ISOM_H */
\ No newline at end of file
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 039f20988a..a54f7b5feb 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -54,6 +54,8 @@
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.h"
+#include "libavformat/dovi_isom.h"
+
/* Level 1 elements we create a SeekHead entry for:
* Info, Tracks, Chapters, Attachments, Tags (potentially twice) and Cues */
#define MAX_SEEKHEAD_ENTRIES 7
@@ -1115,6 +1117,33 @@ static int mkv_write_stereo_mode(AVFormatContext *s,
AVIOContext *pb,
return 0;
}
+static int mkv_write_dovi(AVFormatContext *s, AVIOContext *pb, AVStream *st)
+{
+ int ret;
+ AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord
*)
+ av_stream_get_side_data(st,
AV_PKT_DATA_DOVI_CONF, NULL);
+
+ if (dovi) {
+ ebml_master mapping;
+ uint8_t buf[ISOM_DVCC_DVVC_SIZE];
+ uint32_t type;
+ int size;
+
+ if ((ret = ff_isom_put_dvcc_dvvc(s, buf, sizeof(buf), &type, dovi)) <
0)
+ return ret;
+
+ size = ret;
+
+ mapping = start_ebml_master(pb, MATROSKA_ID_TRACKBLKADDMAPPING,
ISOM_DVCC_DVVC_SIZE);
+ put_ebml_string(pb, MATROSKA_ID_BLKADDIDNAME, "Dolby Vision
configuration");
+ put_ebml_uint(pb, MATROSKA_ID_BLKADDIDTYPE, type);
+ put_ebml_binary(pb, MATROSKA_ID_BLKADDIDEXTRADATA, buf, size);
+ end_ebml_master(pb, mapping);
+ }
+
+ return 0;
+}
+
static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv,
AVStream *st, mkv_track *track, AVIOContext *pb,
int is_default)
@@ -1380,6 +1409,9 @@ static int mkv_write_track(AVFormatContext *s,
MatroskaMuxContext *mkv,
return AVERROR(EINVAL);
}
+ if ((ret = mkv_write_dovi(s, pb, st)) < 0)
+ return ret;
+
if (mkv->mode != MODE_WEBM || par->codec_id != AV_CODEC_ID_WEBVTT) {
track->codecpriv_offset = avio_tell(pb);
ret = mkv_write_codecprivate(s, pb, par, native_id, qt_id);
--
2.33.0
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