libavcodec:add packet level support for mastering metadata

Some containers, like webm/mkv, will contain this mastering metadata.
This is analogous to the way 3D fpa data is handled (in frame and
packet side data).
Signed-off-by: Neil Birkbeck <neil.birkbeck@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/avcodec.h

@@ -1408,6 +1408,13 @@ enum AVPacketSideDataType {
      * information from the demuxer to the corresponding muxer.
      */
     AV_PKT_DATA_MPEGTS_STREAM_ID,
+
+    /**
+     * Mastering display metadata (based on SMPTE-2086:2014). This metadata
+     * should be associated with a video stream and containts data in the form
+     * of the AVMasteringDisplayMetadata struct.
+     */
+    AV_PKT_DATA_MASTERING_DISPLAY_METADATA
 };
 
 #define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED

libavcodec/avpacket.c

@@ -335,23 +335,24 @@ uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
 const char *av_packet_side_data_name(enum AVPacketSideDataType type)
 {
     switch(type) {
-    case AV_PKT_DATA_PALETTE:                   return "Palette";
-    case AV_PKT_DATA_NEW_EXTRADATA:             return "New Extradata";
-    case AV_PKT_DATA_PARAM_CHANGE:              return "Param Change";
-    case AV_PKT_DATA_H263_MB_INFO:              return "H263 MB Info";
-    case AV_PKT_DATA_REPLAYGAIN:                return "Replay Gain";
-    case AV_PKT_DATA_DISPLAYMATRIX:             return "Display Matrix";
-    case AV_PKT_DATA_STEREO3D:                  return "Stereo 3D";
-    case AV_PKT_DATA_AUDIO_SERVICE_TYPE:        return "Audio Service Type";
-    case AV_PKT_DATA_SKIP_SAMPLES:              return "Skip Samples";
-    case AV_PKT_DATA_JP_DUALMONO:               return "JP Dual Mono";
-    case AV_PKT_DATA_STRINGS_METADATA:          return "Strings Metadata";
-    case AV_PKT_DATA_SUBTITLE_POSITION:         return "Subtitle Position";
-    case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL:  return "Matroska BlockAdditional";
-    case AV_PKT_DATA_WEBVTT_IDENTIFIER:         return "WebVTT ID";
-    case AV_PKT_DATA_WEBVTT_SETTINGS:           return "WebVTT Settings";
-    case AV_PKT_DATA_METADATA_UPDATE:           return "Metadata Update";
-    case AV_PKT_DATA_MPEGTS_STREAM_ID:          return "MPEGTS Stream ID";
+    case AV_PKT_DATA_PALETTE:                    return "Palette";
+    case AV_PKT_DATA_NEW_EXTRADATA:              return "New Extradata";
+    case AV_PKT_DATA_PARAM_CHANGE:               return "Param Change";
+    case AV_PKT_DATA_H263_MB_INFO:               return "H263 MB Info";
+    case AV_PKT_DATA_REPLAYGAIN:                 return "Replay Gain";
+    case AV_PKT_DATA_DISPLAYMATRIX:              return "Display Matrix";
+    case AV_PKT_DATA_STEREO3D:                   return "Stereo 3D";
+    case AV_PKT_DATA_AUDIO_SERVICE_TYPE:         return "Audio Service Type";
+    case AV_PKT_DATA_SKIP_SAMPLES:               return "Skip Samples";
+    case AV_PKT_DATA_JP_DUALMONO:                return "JP Dual Mono";
+    case AV_PKT_DATA_STRINGS_METADATA:           return "Strings Metadata";
+    case AV_PKT_DATA_SUBTITLE_POSITION:          return "Subtitle Position";
+    case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL:   return "Matroska BlockAdditional";
+    case AV_PKT_DATA_WEBVTT_IDENTIFIER:          return "WebVTT ID";
+    case AV_PKT_DATA_WEBVTT_SETTINGS:            return "WebVTT Settings";
+    case AV_PKT_DATA_METADATA_UPDATE:            return "Metadata Update";
+    case AV_PKT_DATA_MPEGTS_STREAM_ID:           return "MPEGTS Stream ID";
+    case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
     }
     return NULL;
 }

libavcodec/utils.c

@@ -757,10 +757,11 @@ int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
         enum AVPacketSideDataType packet;
         enum AVFrameSideDataType frame;
     } sd[] = {
-        { AV_PKT_DATA_REPLAYGAIN ,   AV_FRAME_DATA_REPLAYGAIN },
-        { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
-        { AV_PKT_DATA_STEREO3D,      AV_FRAME_DATA_STEREO3D },
-        { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
+        { AV_PKT_DATA_REPLAYGAIN ,                AV_FRAME_DATA_REPLAYGAIN },
+        { AV_PKT_DATA_DISPLAYMATRIX,              AV_FRAME_DATA_DISPLAYMATRIX },
+        { AV_PKT_DATA_STEREO3D,                   AV_FRAME_DATA_STEREO3D },
+        { AV_PKT_DATA_AUDIO_SERVICE_TYPE,         AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
+        { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
     };
 
     if (pkt) {

libavcodec/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  57
 #define LIBAVCODEC_VERSION_MINOR  25
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \