blob: 61c7b3376c28f91dfbff377053b0bf9bf46fdf9c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright (c) 2010 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_manager_base.h"
class PCMWaveInAudioInputStream;
class PCMWaveOutAudioOutputStream;
// 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 AudioManagerBase {
public:
AudioManagerWin() {}
// Implementation of AudioManager.
virtual bool HasAudioOutputDevices();
virtual bool HasAudioInputDevices();
virtual AudioOutputStream* MakeAudioOutputStream(AudioParameters params);
virtual AudioInputStream* MakeAudioInputStream(AudioParameters params,
uint32 samples_per_packet);
virtual void MuteAll();
virtual void UnMuteAll();
// 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);
// Called internally by the audio stream when it has been closed.
void ReleaseInputStream(PCMWaveInAudioInputStream* stream);
private:
friend void DestroyAudioManagerWin(void *);
virtual ~AudioManagerWin();
DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
};
#endif // MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_
|
