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1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ |
6 #define MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ | 6 #define MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ |
7 | 7 |
8 #include <windows.h> | 8 #include <windows.h> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "media/audio/audio_manager_base.h" | 11 #include "media/audio/audio_io.h" |
12 | 12 |
13 class PCMWaveInAudioInputStream; | 13 class PCMWaveInAudioInputStream; |
14 class PCMWaveOutAudioOutputStream; | 14 class PCMWaveOutAudioOutputStream; |
15 | 15 |
16 // Windows implementation of the AudioManager singleton. This class is internal | 16 // Windows implementation of the AudioManager singleton. This class is internal |
17 // to the audio output and only internal users can call methods not exposed by | 17 // to the audio output and only internal users can call methods not exposed by |
18 // the AudioManager class. | 18 // the AudioManager class. |
19 class AudioManagerWin : public AudioManagerBase { | 19 class AudioManagerWin : public AudioManager { |
20 public: | 20 public: |
21 AudioManagerWin() {} | 21 AudioManagerWin() {} |
22 // Implementation of AudioManager. | 22 // Implementation of AudioManager. |
23 virtual bool HasAudioOutputDevices(); | 23 virtual bool HasAudioOutputDevices(); |
24 virtual bool HasAudioInputDevices(); | 24 virtual bool HasAudioInputDevices(); |
25 virtual AudioOutputStream* MakeAudioOutputStream(Format format, int channels, | 25 virtual AudioOutputStream* MakeAudioOutputStream(Format format, int channels, |
26 int sample_rate, | 26 int sample_rate, |
27 char bits_per_sample); | 27 char bits_per_sample); |
28 virtual AudioInputStream* MakeAudioInputStream(Format format, int channels, | 28 virtual AudioInputStream* MakeAudioInputStream(Format format, int channels, |
29 int sample_rate, | 29 int sample_rate, |
30 char bits_per_sample, | 30 char bits_per_sample, |
31 uint32 samples_per_packet); | 31 uint32 samples_per_packet); |
32 virtual void MuteAll(); | 32 virtual void MuteAll(); |
33 virtual void UnMuteAll(); | 33 virtual void UnMuteAll(); |
34 | 34 |
35 // Windows-only methods to free a stream created in MakeAudioStream. These | 35 // Windows-only methods to free a stream created in MakeAudioStream. These |
36 // are called internally by the audio stream when it has been closed. | 36 // are called internally by the audio stream when it has been closed. |
37 void ReleaseOutputStream(PCMWaveOutAudioOutputStream* stream); | 37 void ReleaseOutputStream(PCMWaveOutAudioOutputStream* stream); |
38 | 38 |
39 // Called internally by the audio stream when it has been closed. | 39 // Called internally by the audio stream when it has been closed. |
40 void ReleaseInputStream(PCMWaveInAudioInputStream* stream); | 40 void ReleaseInputStream(PCMWaveInAudioInputStream* stream); |
41 | 41 |
42 private: | 42 private: |
43 friend void DestroyAudioManagerWin(void *); | 43 friend void DestroyAudioManagerWin(void *); |
44 virtual ~AudioManagerWin(); | 44 virtual ~AudioManagerWin(); |
45 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); | 45 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); |
46 }; | 46 }; |
47 | 47 |
48 #endif // MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ | 48 #endif // MEDIA_AUDIO_AUDIO_MANAGER_WIN_H_ |
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