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+// Copyright (c) 2006-2008 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_AUDIO_MANAGER_WIN_H_
+#define MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_
+
+#include <windows.h>
+
+#include "base/basictypes.h"
+#include "media/audio/audio_output.h"
+
+class PCMWaveOutAudioOutputStream;
+class AudioOutputStreamMockWin;
+
+// Windows implementation of the AudioManager singleton. This class is internal
+// to the audio output and only internal users can call methods not exposed by
+// the AudioManager class.
+class AudioManagerWin : public AudioManager {
+ public:
+ AudioManagerWin() {}
+ // Implementation of AudioManager.
+ virtual AudioOutputStream* MakeAudioStream(Format format, int channels,
+ int sample_rate,
+ char bits_per_sample);
+ virtual void MuteAll();
+ virtual void UnMuteAll();
+ virtual const void* GetLastMockBuffer();
+
+ // Windows-only methods to free a stream created in MakeAudioStream. These
+ // are called internally by the audio stream when it has been closed.
+ void ReleaseStream(PCMWaveOutAudioOutputStream* stream);
+ void ReleaseStream(AudioOutputStreamMockWin* stream);
+
+ private:
+ virtual ~AudioManagerWin();
+ DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
+};
+
+#endif // MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_
+