Introduce Dolby Vision video codec and Demuxer support

media/formats/mp4/fourccs.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_FORMATS_MP4_FOURCCS_H_
 #define MEDIA_FORMATS_MP4_FOURCCS_H_
 
 #include <string>
 
 #include "media/media_features.h"
 
 namespace media {
 namespace mp4 {
 
 enum FourCC {
   FOURCC_NULL = 0,
 #if BUILDFLAG(ENABLE_AC3_EAC3_AUDIO_DEMUXING)
   FOURCC_AC3 = 0x61632d33,   // "ac-3"
   FOURCC_EAC3 = 0x65632d33,  // "ec-3"
 #endif
   FOURCC_AVC1 = 0x61766331,
   FOURCC_AVC3 = 0x61766333,
   FOURCC_AVCC = 0x61766343,
   FOURCC_BLOC = 0x626C6F63,
   FOURCC_CBCS = 0x63626373,
   FOURCC_CENC = 0x63656e63,
   FOURCC_CO64 = 0x636f3634,
   FOURCC_CTTS = 0x63747473,
   FOURCC_DINF = 0x64696e66,
+#if BUILDFLAG(ENABLE_DOLBY_VISION_DEMUXING)
+  FOURCC_DVA1 = 0x64766131,
+  FOURCC_DVAV = 0x64766176,
+  FOURCC_DVCC = 0x64766343,
+#if BUILDFLAG(ENABLE_HEVC_DEMUXING)
+  FOURCC_DVH1 = 0x64766831,
+  FOURCC_DVHE = 0x64766865,
+#endif
+#endif
   FOURCC_EDTS = 0x65647473,
   FOURCC_EMSG = 0x656d7367,
   FOURCC_ELST = 0x656c7374,
   FOURCC_ENCA = 0x656e6361,
   FOURCC_ENCV = 0x656e6376,
   FOURCC_ESDS = 0x65736473,
   FOURCC_FREE = 0x66726565,
   FOURCC_FRMA = 0x66726d61,
   FOURCC_FTYP = 0x66747970,
   FOURCC_HDLR = 0x68646c72,
@@ skipping 84 matching lines @@
     }
   }
 
   return std::string(buf);
 }
 
 }  // namespace mp4
 }  // namespace media
 
 #endif  // MEDIA_FORMATS_MP4_FOURCCS_H_