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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 bool HasAudioDevices();
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_