Introduce AudioDecoderConfig to migrate away from GetAVStream().

media/filters/audio_renderer_base.cc

 // Copyright (c) 2011 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/filters/audio_renderer_base.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 89 matching lines @@
       NewCallback(this, &AudioRendererBase::ScheduleRead_Locked);
 
   // Construct the algorithm.
   algorithm_.reset(new AudioRendererAlgorithmOLA());
 
   // Initialize our algorithm with media properties, initial playback rate,
   // and a callback to request more reads from the data source.
   ChannelLayout channel_layout = decoder_->channel_layout();
   int channels = ChannelLayoutToChannelCount(channel_layout);
   int bits_per_channel = decoder_->bits_per_channel();
-  int sample_rate = decoder_->sample_rate();
+  int sample_rate = decoder_->samples_per_second();
   algorithm_->Initialize(channels, sample_rate, bits_per_channel, 0.0f, cb);
 
   // Give the subclass an opportunity to initialize itself.
   if (!OnInitialize(bits_per_channel, channel_layout, sample_rate)) {
     host()->SetError(PIPELINE_ERROR_INITIALIZATION_FAILED);
     callback->Run();
     return;
   }
 
   // Finally, execute the start callback.
@@ skipping 127 matching lines @@
 
 void AudioRendererBase::SetPlaybackRate(float playback_rate) {
   algorithm_->set_playback_rate(playback_rate);
 }
 
 float AudioRendererBase::GetPlaybackRate() {
   return algorithm_->playback_rate();
 }
 
 }  // namespace media