Low-latency AudioOutputStream implementation based on WASAPI for Windows.

media/audio/win/audio_manager_win.h

 // Copyright (c) 2011 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 MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 
 #include <windows.h>
 
 #include "base/basictypes.h"
@@ skipping 18 matching lines @@
   virtual void MuteAll() OVERRIDE;
   virtual void UnMuteAll() OVERRIDE;
   virtual string16 GetAudioInputDeviceModel() OVERRIDE;
   virtual bool CanShowAudioInputSettings() OVERRIDE;
   virtual void ShowAudioInputSettings() OVERRIDE;
   virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names)
       OVERRIDE;
 
   // Windows-only methods to free a stream created in MakeAudioStream. These
   // are called internally by the audio stream when it has been closed.
-  void ReleaseOutputStream(PCMWaveOutAudioOutputStream* stream);
+  void ReleaseOutputStream(AudioOutputStream* stream);
 
   // Called internally by the audio stream when it has been closed.
   void ReleaseInputStream(AudioInputStream* stream);
 
  private:
   virtual ~AudioManagerWin();
 
   // Number of currently open output streams.
   int num_output_streams_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
 };
 
 #endif  // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_