Wire up codec_delay() to MP3StreamParser and FFmpegAudioDecoder.

media/filters/opus_audio_decoder.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_OPUS_AUDIO_DECODER_H_
 #define MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "media/base/audio_decoder.h"
@@ skipping 48 matching lines @@
   scoped_ptr<AudioTimestampHelper> output_timestamp_helper_;
   base::TimeDelta last_input_timestamp_;
 
   // Number of frames to be discarded from the start of the packet. This value
   // is respected for all packets except for the first one in the stream. For
   // the first packet in the stream, |frame_delay_at_start_| is used. This is
   // usually set to the SeekPreRoll value from the container whenever a seek
   // happens.
   int frames_to_discard_;
 
-  // Number of frames to be discarded at the start of the stream. This value
-  // is typically the CodecDelay value from the container.  This value should
-  // only be applied when input timestamp is |start_input_timestamp_|.
-  int frame_delay_at_start_;
+  // When the input timestamp is |start_input_timestamp_| the decoder needs to
+  // drop |config_.codec_delay()| frames.
   base::TimeDelta start_input_timestamp_;
 
-  // Timestamp to be subtracted from all the frames. This is typically computed
-  // from the CodecDelay value in the container.
-  base::TimeDelta timestamp_offset_;
-
   DISALLOW_IMPLICIT_CONSTRUCTORS(OpusAudioDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_