Introduce DecodeTimestamp class to make it easier to distiguish presentation and decode timestamps.

media/filters/chunk_demuxer.h

 // 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.
 
 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 49 matching lines @@
 
   // Returns the range of buffered data in this stream, capped at |duration|.
   Ranges<base::TimeDelta> GetBufferedRanges(base::TimeDelta duration) const;
 
   // Returns the duration of the buffered data.
   // Returns base::TimeDelta() if the stream has no buffered data.
   base::TimeDelta GetBufferedDuration() const;
 
   // Signal to the stream that buffers handed in through subsequent calls to
   // Append() belong to a media segment that starts at |start_timestamp|.
-  void OnNewMediaSegment(base::TimeDelta start_timestamp);
+  void OnNewMediaSegment(DecodeTimestamp start_timestamp);
 
   // Called when midstream config updates occur.
   // Returns true if the new config is accepted.
   // Returns false if the new config should trigger an error.
   bool UpdateAudioConfig(const AudioDecoderConfig& config, const LogCB& log_cb);
   bool UpdateVideoConfig(const VideoDecoderConfig& config, const LogCB& log_cb);
   void UpdateTextConfig(const TextTrackConfig& config, const LogCB& log_cb);
 
   void MarkEndOfStream();
   void UnmarkEndOfStream();
@@ skipping 305 matching lines @@
 
   // Indicates that splice frame generation is enabled.
   const bool splice_frames_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_