Introduce Dolby Vision video codec and Demuxer support

media/formats/mp4/mp4_stream_parser.cc

 // 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.
 
 #include "media/formats/mp4/mp4_stream_parser.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <memory>
@@ skipping 626 matching lines @@
     if (!decrypt_config) {
       *err = true;
       return false;
     }
     subsamples = decrypt_config->subsamples();
   }
 
   std::vector<uint8_t> frame_buf(buf, buf + runs_->sample_size());
   if (video) {
     if (runs_->video_description().video_codec == kCodecH264 ||
-        runs_->video_description().video_codec == kCodecHEVC) {
+        runs_->video_description().video_codec == kCodecHEVC ||
+        runs_->video_description().video_codec == kCodecDolbyVision) {
       DCHECK(runs_->video_description().frame_bitstream_converter);
       if (!runs_->video_description().frame_bitstream_converter->ConvertFrame(
               &frame_buf, runs_->is_keyframe(), &subsamples)) {
         MEDIA_LOG(ERROR, media_log_)
             << "Failed to prepare video sample for decode";
         *err = true;
         return false;
       }
     }
   }
@@ skipping 118 matching lines @@
       runs.AdvanceSample();
     }
     runs.AdvanceRun();
   }
 
   return true;
 }
 
 }  // namespace mp4
 }  // namespace media