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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 |
| (...skipping 18 matching lines...) Expand all Loading... |
| 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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