Fold DecoderStream::Stop() into the dtor.

media/filters/audio_renderer_impl.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.
 
 // Audio rendering unit utilizing an AudioRendererSink to output data.
 //
 // This class lives inside three threads during it's lifetime, namely:
 // 1. Render thread
 //    Where the object is created.
 // 2. Media thread (provided via constructor)
 //    All AudioDecoder methods are called on this thread.
 // 3. Audio thread created by the AudioRendererSink.
 //    Render() is called here where audio data is decoded into raw PCM data.
 //
 // AudioRendererImpl talks to an AudioRendererAlgorithm that takes care of
 // queueing audio data and stretching/shrinking audio data when playback rate !=
 // 1.0 or 0.0.
 
 #ifndef MEDIA_FILTERS_AUDIO_RENDERER_IMPL_H_
 #define MEDIA_FILTERS_AUDIO_RENDERER_IMPL_H_
 
 #include <deque>
 
 #include "base/gtest_prod_util.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "media/base/audio_decoder.h"
 #include "media/base/audio_renderer.h"
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/decryptor.h"
 #include "media/filters/audio_renderer_algorithm.h"
 #include "media/filters/decoder_stream.h"
 
 namespace base {
@@ skipping 155 matching lines @@
   scoped_ptr<AudioBufferConverter> buffer_converter_;
 
   // Whether or not we expect to handle config changes.
   bool expecting_config_changes_;
 
   // The sink (destination) for rendered audio. |sink_| must only be accessed
   // on |task_runner_|. |sink_| must never be called under |lock_| or else we
   // may deadlock between |task_runner_| and the audio callback thread.
   scoped_refptr<media::AudioRendererSink> sink_;
 
-  AudioBufferStream audio_buffer_stream_;
+  scoped_ptr<AudioBufferStream> audio_buffer_stream_;
 
   // Interface to the hardware audio params.
   const AudioHardwareConfig* const hardware_config_;
 
   // Cached copy of hardware params from |hardware_config_|.
   AudioParameters audio_parameters_;
 
   // Callbacks provided during Initialize().
   PipelineStatusCB init_cb_;
   TimeCB time_cb_;
@@ skipping 36 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<AudioRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_AUDIO_RENDERER_IMPL_H_