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

media/formats/mp2t/es_parser_adts.h

 // 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.
 
 #ifndef MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_
 #define MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_
 
 #include <list>
 #include <utility>
 
@@ skipping 19 matching lines @@
   typedef base::Callback<void(const AudioDecoderConfig&)> NewAudioConfigCB;
 
   EsParserAdts(const NewAudioConfigCB& new_audio_config_cb,
                const EmitBufferCB& emit_buffer_cb,
                bool sbr_in_mimetype);
   virtual ~EsParserAdts();
 
   // EsParser implementation.
   virtual bool Parse(const uint8* buf, int size,
                      base::TimeDelta pts,
-                     base::TimeDelta dts) OVERRIDE;
+                     DecodeTimestamp dts) OVERRIDE;
   virtual void Flush() OVERRIDE;
   virtual void Reset() OVERRIDE;
 
  private:
   // Used to link a PTS with a byte position in the ES stream.
   typedef std::pair<int64, base::TimeDelta> EsPts;
   typedef std::list<EsPts> EsPtsList;
 
   struct AdtsFrame;
 
@@ skipping 34 matching lines @@
   // Last audio config.
   AudioDecoderConfig last_audio_decoder_config_;
 
   DISALLOW_COPY_AND_ASSIGN(EsParserAdts);
 };
 
 }  // namespace mp2t
 }  // namespace media
 
 #endif
-