Mojofication of the Chrome Audio Rendering Prototype

media/audio/audio_output_ipc.h

Index: media/audio/audio_output_ipc.h
diff --git a/media/audio/audio_output_ipc.h b/media/audio/audio_output_ipc.h
index d42997ee67b82c6b8dd1557674852a2f25d6423d..cb23b1c41fef083806310091ff56e418f23a9391 100644
--- a/media/audio/audio_output_ipc.h
+++ b/media/audio/audio_output_ipc.h
@@ -9,13 +9,20 @@
 
 #include "base/memory/shared_memory.h"
 #include "base/sync_socket.h"
+#include "content/common/media/audio_output.mojom.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/media_export.h"
 #include "media/base/output_device_info.h"
 #include "url/origin.h"
 
+namespace mojom {
+class AudioOutputStreamPtr;
+}
+
 namespace media {
 
+class AudioOutputIPC;
+
 // Current status of the audio output stream in the browser process. Browser
 // sends information about the current playback state and error to the
 // renderer process using this type.
@@ -31,6 +38,8 @@ enum AudioOutputIPCDelegateState {
 // has been created.  Implemented by AudioOutputDevice.
 class MEDIA_EXPORT AudioOutputIPCDelegate {
  public:
+  virtual AudioOutputIPC* getIPC() = 0;
+
   // Called when state of an audio stream has changed.
   virtual void OnStateChanged(AudioOutputIPCDelegateState state) = 0;
 
@@ -48,7 +57,8 @@ class MEDIA_EXPORT AudioOutputIPCDelegate {
   // audio data to be written into the shared memory. The AudioOutputIPCDelegate
   // must read from this socket and provide audio whenever data (search for
   // "pending_bytes") is received.
-  virtual void OnStreamCreated(base::SharedMemoryHandle handle,
+  virtual void OnStreamCreated(content::mojom::AudioOutputStreamPtr* stream,
+                               base::SharedMemoryHandle handle,
                                base::SyncSocket::Handle socket_handle,
                                int length) = 0;
 
@@ -70,6 +80,10 @@ class MEDIA_EXPORT AudioOutputIPC {
  public:
   virtual ~AudioOutputIPC();
 
+  content::mojom::AudioOutputStreamPtr* GetAudioOutputStream();
+
+  void SetAudioOutputStream(content::mojom::AudioOutputStreamPtr* stream);
+
   // Sends a request to authorize the use of a specific audio output device
   // in the peer process.
   // If |device_id| is nonempty, the browser selects the device
@@ -112,6 +126,9 @@ class MEDIA_EXPORT AudioOutputIPC {
 
   // Sets the volume of the audio stream.
   virtual void SetVolume(double volume) = 0;
+
+ private:
+  content::mojom::AudioOutputStreamPtr* stream_;
 };
 
 }  // namespace media