Adds MediaStreamSource, MediaStreamAudioSource and MediaStreamVideoCaptureDeviceSource

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"
@@ skipping 27 matching lines @@
 class WebMediaConstraints;
 class WebMediaStream;
 class WebRTCPeerConnectionHandler;
 class WebRTCPeerConnectionHandlerClient;
 }
 
 namespace content {
 
 class IpcNetworkManager;
 class IpcPacketSocketFactory;
+class MediaStreamAudioSource;
 class RTCMediaConstraints;
 class WebAudioCapturerSource;
 class WebRtcAudioCapturer;
 class WebRtcAudioDeviceImpl;
 class WebRtcLoggingHandlerImpl;
 class WebRtcLoggingMessageFilter;
 struct StreamDeviceInfo;
 
 // Object factory for RTC MediaStreams and RTC PeerConnections.
 class CONTENT_EXPORT MediaStreamDependencyFactory
     : NON_EXPORTED_BASE(public base::NonThreadSafe),
       public RenderProcessObserver {
  public:
   // MediaSourcesCreatedCallback is used in CreateNativeMediaSources.
   typedef base::Callback<void(blink::WebMediaStream* web_stream,
                               bool live)> MediaSourcesCreatedCallback;
   MediaStreamDependencyFactory(
       P2PSocketDispatcher* p2p_socket_dispatcher);
   virtual ~MediaStreamDependencyFactory();
 
   // Create a RTCPeerConnectionHandler object that implements the
   // WebKit WebRTCPeerConnectionHandler interface.
   blink::WebRTCPeerConnectionHandler* CreateRTCPeerConnectionHandler(
       blink::WebRTCPeerConnectionHandlerClient* client);
 
-  // CreateNativeMediaSources creates libjingle representations of
-  // the underlying sources to the tracks in |web_stream|.
-  // |sources_created| is invoked when the sources have either been created and
-  // transitioned to a live state or failed.
-  // The libjingle sources is stored in the extra data field of
-  // WebMediaStreamSource.
-  // |audio_constraints| and |video_constraints| set parameters for the sources.
-  void CreateNativeMediaSources(
+  // InitializeMediaStreamAudioSource initialize a MediaStream source object
+  // for audio input.
+  bool InitializeMediaStreamAudioSource(
       int render_view_id,
       const blink::WebMediaConstraints& audio_constraints,
-      const blink::WebMediaConstraints& video_constraints,
-      blink::WebMediaStream* web_stream,
-      const MediaSourcesCreatedCallback& sources_created);
+      MediaStreamAudioSource* source_data);
+
+  // Creates an implementation of a cricket::VideoCapturer object that can be
+  // used when creating a libjingle webrtc::VideoSourceInterface object.
+  virtual cricket::VideoCapturer* CreateVideoCapturer(
+      const StreamDeviceInfo& info);
 
   // Creates a libjingle representation of a MediaStream and stores
   // it in the extra data field of |web_stream|.
   void CreateNativeLocalMediaStream(
       blink::WebMediaStream* web_stream);
 
   // Creates a libjingle representation of a MediaStream and stores
   // it in the extra data field of |web_stream|.
   // |stream_stopped| is a callback that is run when a MediaStream have been
   // stopped.
@@ skipping 65 matching lines @@
  protected:
   // Asks the PeerConnection factory to create a Local MediaStream object.
   virtual scoped_refptr<webrtc::MediaStreamInterface>
       CreateLocalMediaStream(const std::string& label);
 
   // Asks the PeerConnection factory to create a Local Audio Source.
   virtual scoped_refptr<webrtc::AudioSourceInterface>
       CreateLocalAudioSource(
           const webrtc::MediaConstraintsInterface* constraints);
 
-  // Asks the PeerConnection factory to create a Local Video Source.
-  virtual scoped_refptr<webrtc::VideoSourceInterface>
-      CreateLocalVideoSource(
-          int video_session_id,
-          bool is_screen_cast,
-          const webrtc::MediaConstraintsInterface* constraints);
-
   // 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.
   // The |constraints| will be modified to include the default, mandatory
   // WebAudio constraints.
   virtual scoped_refptr<WebAudioCapturerSource> CreateWebAudioSource(
       blink::WebMediaStreamSource* source,
       const RTCMediaConstraints& constraints);
 
   // Asks the PeerConnection factory to create a Local AudioTrack object.
   virtual scoped_refptr<webrtc::AudioTrackInterface>
       CreateLocalAudioTrack(
           const std::string& id,
           const scoped_refptr<WebRtcAudioCapturer>& capturer,
           WebAudioCapturerSource* webaudio_source,
           webrtc::AudioSourceInterface* source);
 
   // Asks the PeerConnection factory to create a Local VideoTrack object.
   virtual scoped_refptr<webrtc::VideoTrackInterface>
       CreateLocalVideoTrack(const std::string& id,
                             webrtc::VideoSourceInterface* source);
 
   // Asks the PeerConnection factory to create a Local VideoTrack object with
   // the video source using |capturer|.
   virtual scoped_refptr<webrtc::VideoTrackInterface>
       CreateLocalVideoTrack(const std::string& id,
                             cricket::VideoCapturer* capturer);
 
-  virtual bool EnsurePeerConnectionFactory();
+  virtual const scoped_refptr<webrtc::PeerConnectionFactoryInterface>&
+      GetPcFactory();
   virtual bool PeerConnectionFactoryCreated();
 
   // Returns a new capturer or existing capturer based on the |render_view_id|
   // and |device_info|. When the |render_view_id| and |device_info| are valid,
   // it reuses existing capture if any; otherwise it creates a new capturer.
   virtual scoped_refptr<WebRtcAudioCapturer> CreateAudioCapturer(
       int render_view_id, const StreamDeviceInfo& device_info,
       const blink::WebMediaConstraints& constraints);
 
  private:
-  // Creates and deletes |pc_factory_|, which in turn is used for
+  // Creates |pc_factory_|, which in turn is used for
   // creating PeerConnection objects.
-  bool CreatePeerConnectionFactory();
+  void CreatePeerConnectionFactory();
 
   void InitializeWorkerThread(talk_base::Thread** thread,
                               base::WaitableEvent* event);
 
   void CreateIpcNetworkManagerOnWorkerThread(base::WaitableEvent* event);
   void DeleteIpcNetworkManager();
   void CleanupPeerConnectionFactory();
 
   scoped_refptr<webrtc::AudioTrackInterface>
   CreateNativeAudioMediaStreamTrack(const blink::WebMediaStreamTrack& track);
@@ skipping 26 matching lines @@
   base::Thread chrome_worker_thread_;
 
   base::PlatformFile aec_dump_file_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDependencyFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_