Mojofication of the Chrome Audio Rendering Prototype

media/audio/audio_output_device.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 audio output stream provided by browser
 // process through IPC.
 //
 // Relationship of classes.
 //
 //  AudioOutputController                AudioOutputDevice
@@ skipping 92 matching lines @@
   void Play() override;
   void Pause() override;
   bool SetVolume(double volume) override;
   OutputDeviceInfo GetOutputDeviceInfo() override;
 
   // Methods called on IO thread ----------------------------------------------
   // AudioOutputIPCDelegate methods.
   void OnStateChanged(AudioOutputIPCDelegateState state) override;
   void OnDeviceAuthorized(OutputDeviceStatus device_status,
                           const media::AudioParameters& output_params) override;
-  void OnStreamCreated(base::SharedMemoryHandle handle,
+  void OnStreamCreated(content::mojom::AudioOutputStreamPtr* stream,
+                       base::SharedMemoryHandle handle,
                        base::SyncSocket::Handle socket_handle,
                        int length) override;
   void OnIPCClosed() override;
 
+  AudioOutputIPC* getIPC() override;
+
  protected:
   // Magic required by ref_counted.h to avoid any code deleting the object
   // accidentally while there are references to it.
   friend class base::RefCountedThreadSafe<AudioOutputDevice>;
   ~AudioOutputDevice() override;
 
  private:
   // Note: The ordering of members in this enum is critical to correct behavior!
   enum State {
     IPC_CLOSED,       // No more IPCs can take place.
@@ skipping 22 matching lines @@
 
   AudioParameters audio_parameters_;
 
   RenderCallback* callback_;
 
   // A pointer to the IPC layer that takes care of sending requests over to
   // the AudioRendererHost.  Only valid when state_ != IPC_CLOSED and must only
   // be accessed on the IO thread.
   scoped_ptr<AudioOutputIPC> ipc_;
 
+  content::mojom::AudioOutputStreamPtr* stream_;
+
   // Current state (must only be accessed from the IO thread).  See comments for
   // State enum above.
   State state_;
 
   // State of Start() calls before OnDeviceAuthorized() is called.
   bool start_on_authorized_;
 
   // State of Play() / Pause() calls before OnStreamCreated() is called.
   bool play_on_start_;
 
@@ skipping 25 matching lines @@
   base::WaitableEvent did_receive_auth_;
   AudioParameters output_params_;
   OutputDeviceStatus device_status_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioOutputDevice);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_OUTPUT_DEVICE_H_