Add plumbing and support for crossfading StreamParserBuffers.

media/filters/chunk_demuxer.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/filters/chunk_demuxer.h"
 
 #include <algorithm>
 #include <deque>
 #include <limits>
 #include <list>
@@ skipping 304 matching lines @@
     RETURNING_DATA_FOR_READS,
     RETURNING_ABORT_FOR_READS,
     SHUTDOWN,
   };
 
   // Assigns |state_| to |state|
   void ChangeState_Locked(State state);
 
   void CompletePendingReadIfPossible_Locked();
 
-  // Gets the value to pass to the next Read() callback. Returns true if
-  // |status| and |buffer| should be passed to the callback. False indicates
-  // that |status| and |buffer| were not set and more data is needed.
-  bool GetNextBuffer_Locked(DemuxerStream::Status* status,
-                            scoped_refptr<StreamParserBuffer>* buffer);
-
   // Specifies the type of the stream.
   Type type_;
 
   scoped_ptr<SourceBufferStream> stream_;
 
   mutable base::Lock lock_;
   State state_;
   ReadCB read_cb_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChunkDemuxerStream);
@@ skipping 1426 matching lines @@
 }
 
 void ChunkDemuxer::CompletePendingReadsIfPossible() {
   for (SourceStateMap::iterator itr = source_state_map_.begin();
        itr != source_state_map_.end(); ++itr) {
     itr->second->CompletePendingReadIfPossible();
   }
 }
 
 }  // namespace media