Ensures that WebRTC works for device selection using a different sample rate than default

content/renderer/media/media_stream_dependency_factory.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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "content/common/content_export.h"
 #include "content/renderer/media/media_stream_extra_data.h"
-#include "content/renderer/media/webaudio_capturer_source.h"
 #include "content/renderer/p2p/socket_dispatcher.h"
 #include "third_party/libjingle/source/talk/app/webrtc/peerconnectioninterface.h"
 #include "third_party/libjingle/source/talk/app/webrtc/videosourceinterface.h"
 
 namespace base {
 class WaitableEvent;
 }
 
 namespace talk_base {
 class NetworkManager;
@@ skipping 14 matching lines @@
 class WebRTCPeerConnectionHandler;
 class WebRTCPeerConnectionHandlerClient;
 }
 
 namespace content {
 
 class IpcNetworkManager;
 class IpcPacketSocketFactory;
 class VideoCaptureImplManager;
 class WebRtcAudioDeviceImpl;
+struct StreamDeviceInfo;
 
 // Object factory for RTC MediaStreams and RTC PeerConnections.
 class CONTENT_EXPORT MediaStreamDependencyFactory
     : NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   // MediaSourcesCreatedCallback is used in CreateNativeMediaSources.
   typedef base::Callback<void(WebKit::WebMediaStreamDescriptor* description,
                               bool live)> MediaSourcesCreatedCallback;
   MediaStreamDependencyFactory(
       VideoCaptureImplManager* vc_manager,
@@ skipping 63 matching lines @@
   // Asks the PeerConnection factory to create a Local MediaStream object.
   virtual scoped_refptr<webrtc::LocalMediaStreamInterface>
       CreateLocalMediaStream(const std::string& label);
 
   // Asks the PeerConnection factory to create a Local Video Source.
   virtual scoped_refptr<webrtc::VideoSourceInterface>
       CreateVideoSource(int video_session_id,
                         bool is_screen_cast,
                         const webrtc::MediaConstraintsInterface* constraints);
 
+  // Initializes the source using audio parameters for the selected
+  // capture device and specifies which capture device to use as capture
+  // source.
+  virtual bool InitializeAudioSource(const StreamDeviceInfo& device_info);
+
+  // Creates a media::AudioCapturerSource with an implementation that is
+  // specific for a WebAudio source. The created WebAudioCapturerSource
+  // instance will function as audio source instead of the default
+  // WebRtcAudioCapturer.
+  virtual bool CreateWebAudioSource(WebKit::WebMediaStreamSource* source);
+
   // Asks the PeerConnection factory to create a Local VideoTrack object.
   virtual scoped_refptr<webrtc::VideoTrackInterface>
       CreateLocalVideoTrack(const std::string& label,
                             webrtc::VideoSourceInterface* source);
 
   // Asks the PeerConnection factory to create a Local AudioTrack object.
   virtual scoped_refptr<webrtc::LocalAudioTrackInterface>
       CreateLocalAudioTrack(const std::string& label,
                             webrtc::AudioDeviceModule* audio_device);
 
   virtual bool EnsurePeerConnectionFactory();
   virtual bool PeerConnectionFactoryCreated();
-  virtual void SetAudioDeviceSessionId(int session_id);
 
  private:
   // Creates and deletes |pc_factory_|, which in turn is used for
   // creating PeerConnection objects.
   bool CreatePeerConnectionFactory();
 
   void InitializeWorkerThread(talk_base::Thread** thread,
                               base::WaitableEvent* event);
 
   void CreateIpcNetworkManagerOnWorkerThread(base::WaitableEvent* event);
@@ skipping 10 matching lines @@
   scoped_refptr<VideoCaptureImplManager> vc_manager_;
   scoped_refptr<P2PSocketDispatcher> p2p_socket_dispatcher_;
   scoped_refptr<WebRtcAudioDeviceImpl> audio_device_;
 
   // PeerConnection threads. signaling_thread_ is created from the
   // "current" chrome thread.
   talk_base::Thread* signaling_thread_;
   talk_base::Thread* worker_thread_;
   base::Thread chrome_worker_thread_;
 
-  // Handles audio from MediaStreamAudioDestinationNode.
-  scoped_refptr<WebAudioCapturerSource> webaudio_capturer_source_;
-
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDependencyFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_