Allow StreamParsers to request automatic timestampOffset updates.

media/formats/mpeg/mpeg_audio_stream_parser_base.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/mpeg/mpeg_audio_stream_parser_base.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/message_loop/message_loop.h"
 #include "media/base/buffers.h"
@@ skipping 190 matching lines @@
     if (timestamp_helper_)
       base_timestamp = timestamp_helper_->GetTimestamp();
 
     timestamp_helper_.reset(new AudioTimestampHelper(sample_rate));
     timestamp_helper_->SetBaseTimestamp(base_timestamp);
 
     VideoDecoderConfig video_config;
     bool success = config_cb_.Run(config_, video_config, TextTrackConfigMap());
 
     if (!init_cb_.is_null())
-      base::ResetAndReturn(&init_cb_).Run(success, kInfiniteDuration());
+      base::ResetAndReturn(&init_cb_).Run(success, kInfiniteDuration(), true);
 
     if (!success)
       return -1;
   }
 
   // TODO(wolenetz/acolwell): Validate and use a common cross-parser TrackId
   // type and allow multiple audio tracks, if applicable. See
   // https://crbug.com/341581.
   scoped_refptr<StreamParserBuffer> buffer =
       StreamParserBuffer::CopyFrom(data, frame_size, true,
@@ skipping 164 matching lines @@
   TextBufferQueueMap empty_text_map;
   if (!new_buffers_cb_.Run(*buffers, empty_video_buffers, empty_text_map))
     return false;
   buffers->clear();
 
   if (end_of_segment) {
     in_media_segment_ = false;
     end_of_segment_cb_.Run();
   }
 
+  timestamp_helper_->SetBaseTimestamp(base::TimeDelta());
   return true;
 }
 
 }  // namespace media