Add StreamParserBuffer to ChunkDemuxer

media/webm/webm_cluster_parser.cc

 // Copyright (c) 2012 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/webm/webm_cluster_parser.h"
 
 #include "base/logging.h"
 #include "media/base/data_buffer.h"
 #include "media/base/decrypt_config.h"
 #include "media/webm/webm_constants.h"
@@ skipping 97 matching lines @@
   if (last_block_timecode_ != -1 && timecode < last_block_timecode_) {
     DVLOG(1) << "Got SimpleBlock with a timecode before the previous block.";
     return false;
   }
 
   last_block_timecode_ = timecode;
 
   base::TimeDelta timestamp = base::TimeDelta::FromMicroseconds(
       (cluster_timecode_ + timecode) * timecode_multiplier_);
 
-  scoped_refptr<DataBuffer> buffer = DataBuffer::CopyFrom(data, size);
+  // The first bit of the flags is set when the block contains only keyframes.
+  // http://www.matroska.org/technical/specs/index.html
+  bool is_keyframe = (flags & 0x80) != 0;
+  scoped_refptr<StreamParserBuffer> buffer =
+      StreamParserBuffer::CopyFrom(data, size, is_keyframe);
 
   if (track_num == video_track_num_ && video_encryption_key_id_.get()) {
     buffer->SetDecryptConfig(scoped_ptr<DecryptConfig>(new DecryptConfig(
         video_encryption_key_id_.get(), video_encryption_key_id_size_)));
   }
 
   buffer->SetTimestamp(timestamp);
   BufferQueue* queue = NULL;
 
   if (track_num == audio_track_num_) {
@@ skipping 12 matching lines @@
     DVLOG(1) << "Got SimpleBlock timecode is not strictly monotonically "
              << "increasing for track " << track_num;
     return false;
   }
 
   queue->push_back(buffer);
   return true;
 }
 
 }  // namespace media