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

media/formats/mp2t/es_parser_adts.cc

 // 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.
 
 #include "media/formats/mp2t/es_parser_adts.h"
 
 #include <list>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 109 matching lines @@
     emit_buffer_cb_(emit_buffer_cb),
     sbr_in_mimetype_(sbr_in_mimetype),
     es_queue_(new media::OffsetByteQueue()) {
 }
 
 EsParserAdts::~EsParserAdts() {
 }
 
 bool EsParserAdts::Parse(const uint8* buf, int size,
                          base::TimeDelta pts,
-                         base::TimeDelta dts) {
+                         DecodeTimestamp dts) {
   // The incoming PTS applies to the access unit that comes just after
   // the beginning of |buf|.
   if (pts != kNoTimestamp())
     pts_list_.push_back(EsPts(es_queue_->tail(), pts));
 
   // Copy the input data to the ES buffer.
   es_queue_->Push(buf, size);
 
   // Look for every ADTS frame in the ES buffer.
   AdtsFrame adts_frame;
@@ skipping 18 matching lines @@
     bool is_key_frame = true;
 
     // TODO(wolenetz/acolwell): Validate and use a common cross-parser TrackId
     // type and allow multiple audio tracks. See https://crbug.com/341581.
     scoped_refptr<StreamParserBuffer> stream_parser_buffer =
         StreamParserBuffer::CopyFrom(
             adts_frame.data,
             adts_frame.size,
             is_key_frame,
             DemuxerStream::AUDIO, 0);
-    stream_parser_buffer->SetDecodeTimestamp(current_pts);
     stream_parser_buffer->set_timestamp(current_pts);
     stream_parser_buffer->set_duration(frame_duration);
     emit_buffer_cb_.Run(stream_parser_buffer);
 
     // Update the PTS of the next frame.
     audio_timestamp_helper_->AddFrames(kSamplesPerAACFrame);
 
     // Skip the current frame.
     SkipAdtsFrame(adts_frame);
   }
@@ skipping 79 matching lines @@
     // Audio config notification.
     last_audio_decoder_config_ = audio_decoder_config;
     new_audio_config_cb_.Run(audio_decoder_config);
   }
 
   return true;
 }
 
 }  // namespace mp2t
 }  // namespace media
-