media: Introduce DemuxerStreamProvider interface.

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 <limits>
 #include <list>
 
@@ skipping 1075 matching lines @@
 
   if (IsSeekWaitingForData_Locked()) {
     DVLOG(1) << "Seek() : waiting for more data to arrive.";
     return;
   }
 
   base::ResetAndReturn(&seek_cb_).Run(PIPELINE_OK);
 }
 
 // Demuxer implementation.
+base::Time ChunkDemuxer::GetTimelineOffset() const {
+  return timeline_offset_;
+}
+
 DemuxerStream* ChunkDemuxer::GetStream(DemuxerStream::Type type) {
   DCHECK_NE(type, DemuxerStream::TEXT);
   base::AutoLock auto_lock(lock_);
   if (type == DemuxerStream::VIDEO)
     return video_.get();
 
   if (type == DemuxerStream::AUDIO)
     return audio_.get();
 
   return NULL;
 }
 
-base::Time ChunkDemuxer::GetTimelineOffset() const {
-  return timeline_offset_;
-}
-
 Demuxer::Liveness ChunkDemuxer::GetLiveness() const {
   return liveness_;
 }
 
 void ChunkDemuxer::StartWaitingForSeek(TimeDelta seek_time) {
   DVLOG(1) << "StartWaitingForSeek()";
   base::AutoLock auto_lock(lock_);
   DCHECK(state_ == INITIALIZED || state_ == ENDED || state_ == SHUTDOWN ||
          state_ == PARSE_ERROR) << state_;
   DCHECK(seek_cb_.is_null());
@@ skipping 630 matching lines @@
 }
 
 void ChunkDemuxer::ShutdownAllStreams() {
   for (SourceStateMap::iterator itr = source_state_map_.begin();
        itr != source_state_map_.end(); ++itr) {
     itr->second->Shutdown();
   }
 }
 
 }  // namespace media