WebMediaPlayerImpl needs to own the audio source provider.

webkit/media/webmediaplayer_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.
 
 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
 // It contains Pipeline which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // Pipeline would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 57 matching lines @@
 #include "webkit/media/crypto/proxy_decryptor.h"
 
 class RenderAudioSourceProvider;
 
 namespace WebKit {
 class WebAudioSourceProvider;
 class WebFrame;
 }
 
 namespace media {
+class AudioRendererSink;
 class MediaLog;
 }
 
 namespace webkit_media {
 
 class MediaStreamClient;
 class WebMediaPlayerDelegate;
 class WebMediaPlayerProxy;
 
 class WebMediaPlayerImpl
     : public WebKit::WebMediaPlayer,
       public MessageLoop::DestructionObserver,
       public base::SupportsWeakPtr<WebMediaPlayerImpl> {
  public:
   // Construct a WebMediaPlayerImpl with reference to the client, and media
   // filter collection. By providing the filter collection the implementor can
   // provide more specific media filters that does resource loading and
   // rendering.
   //
   // WebMediaPlayerImpl comes packaged with the following media filters:
   //   - URL fetching
   //   - Demuxing
   //   - Software audio/video decoding
   //   - Video rendering
   //
   // Clients are expected to add their platform-specific audio rendering media
   // filter if they wish to hear any sound coming out the speakers, otherwise
   // audio data is discarded and media plays back based on wall clock time.
   //
+  // When calling this, the |audio_source_provider| and
+  // |audio_renderer_sink| arguments should be the same object.
+  //
+  // TODO(scherkus): Remove WebAudioSourceProvider parameter once we
+  // refactor RenderAudioSourceProvider to live under webkit/media/
+  // instead of content/renderer/, see http://crbug.com/136442
+
   WebMediaPlayerImpl(WebKit::WebFrame* frame,
                      WebKit::WebMediaPlayerClient* client,
                      base::WeakPtr<WebMediaPlayerDelegate> delegate,
                      media::FilterCollection* collection,
                      WebKit::WebAudioSourceProvider* audio_source_provider,
+                     media::AudioRendererSink* audio_renderer_sink,
                      media::MessageLoopFactory* message_loop_factory,
                      MediaStreamClient* media_stream_client,
                      media::MediaLog* media_log);
   virtual ~WebMediaPlayerImpl();
 
   virtual void load(const WebKit::WebURL& url, CORSMode cors_mode);
   virtual void cancelLoad();
 
   // Playback controls.
   virtual void play();
@@ skipping 211 matching lines @@
   scoped_refptr<media::MediaLog> media_log_;
 
   // Since accelerated compositing status is only known after the first layout,
   // we delay reporting it to UMA until that time.
   bool accelerated_compositing_reported_;
 
   bool incremented_externally_allocated_memory_;
 
   WebKit::WebAudioSourceProvider* audio_source_provider_;
 
+  scoped_refptr<media::AudioRendererSink> audio_renderer_sink_;
+
   bool is_local_source_;
 
   // The decryptor that manages decryption keys and decrypts encrypted frames.
   ProxyDecryptor decryptor_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_