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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_WIN_AUDIO_MANAGER_WIN_H_ | 5 #ifndef MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ |
6 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ | 6 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "media/audio/audio_manager_base.h" | 10 #include "media/audio/audio_manager_base.h" |
11 | 11 |
12 namespace media { | 12 namespace media { |
13 | 13 |
14 class AudioDeviceListenerWin; | 14 class AudioDeviceListenerWin; |
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 MEDIA_EXPORT AudioManagerWin : public AudioManagerBase { | 19 class MEDIA_EXPORT AudioManagerWin : public AudioManagerBase { |
20 public: | 20 public: |
21 AudioManagerWin(); | 21 AudioManagerWin(); |
22 | 22 |
23 // Implementation of AudioManager. | 23 // Implementation of AudioManager. |
24 virtual bool HasAudioOutputDevices() OVERRIDE; | 24 virtual bool HasAudioOutputDevices() OVERRIDE; |
25 virtual bool HasAudioInputDevices() OVERRIDE; | 25 virtual bool HasAudioInputDevices() OVERRIDE; |
26 virtual string16 GetAudioInputDeviceModel() OVERRIDE; | 26 virtual string16 GetAudioInputDeviceModel() OVERRIDE; |
27 virtual void ShowAudioInputSettings() OVERRIDE; | 27 virtual void ShowAudioInputSettings() OVERRIDE; |
28 virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names) | 28 virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names) |
29 OVERRIDE; | 29 OVERRIDE; |
| 30 virtual AudioParameters GetInputStreamParameters( |
| 31 const std::string& device_id) OVERRIDE; |
30 | 32 |
31 // Implementation of AudioManagerBase. | 33 // Implementation of AudioManagerBase. |
32 virtual AudioOutputStream* MakeLinearOutputStream( | 34 virtual AudioOutputStream* MakeLinearOutputStream( |
33 const AudioParameters& params) OVERRIDE; | 35 const AudioParameters& params) OVERRIDE; |
34 virtual AudioOutputStream* MakeLowLatencyOutputStream( | 36 virtual AudioOutputStream* MakeLowLatencyOutputStream( |
35 const AudioParameters& params) OVERRIDE; | 37 const AudioParameters& params) OVERRIDE; |
36 virtual AudioInputStream* MakeLinearInputStream( | 38 virtual AudioInputStream* MakeLinearInputStream( |
37 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 39 const AudioParameters& params, const std::string& device_id) OVERRIDE; |
38 virtual AudioInputStream* MakeLowLatencyInputStream( | 40 virtual AudioInputStream* MakeLowLatencyInputStream( |
39 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 41 const AudioParameters& params, const std::string& device_id) OVERRIDE; |
40 virtual AudioParameters GetPreferredLowLatencyOutputStreamParameters( | |
41 const AudioParameters& input_params) OVERRIDE; | |
42 | 42 |
43 protected: | 43 protected: |
44 virtual ~AudioManagerWin(); | 44 virtual ~AudioManagerWin(); |
45 | 45 |
| 46 virtual AudioParameters GetPreferredOutputStreamParameters( |
| 47 const AudioParameters& input_params) OVERRIDE; |
| 48 |
46 private: | 49 private: |
47 enum EnumerationType { | 50 enum EnumerationType { |
48 kUninitializedEnumeration = 0, | 51 kUninitializedEnumeration = 0, |
49 kMMDeviceEnumeration, | 52 kMMDeviceEnumeration, |
50 kWaveEnumeration, | 53 kWaveEnumeration, |
51 }; | 54 }; |
52 | 55 |
53 // Allow unit test to modify the utilized enumeration API. | 56 // Allow unit test to modify the utilized enumeration API. |
54 friend class AudioInputDeviceTest; | 57 friend class AudioInputDeviceTest; |
55 | 58 |
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74 | 77 |
75 // Listen for output device changes. | 78 // Listen for output device changes. |
76 scoped_ptr<AudioDeviceListenerWin> output_device_listener_; | 79 scoped_ptr<AudioDeviceListenerWin> output_device_listener_; |
77 | 80 |
78 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); | 81 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); |
79 }; | 82 }; |
80 | 83 |
81 } // namespace media | 84 } // namespace media |
82 | 85 |
83 #endif // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ | 86 #endif // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ |
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