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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 <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "media/audio/audio_manager_base.h" | 12 #include "media/audio/audio_manager_base.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 class AudioDeviceListenerWin; | 16 class AudioDeviceListenerWin; |
17 | 17 |
18 // Windows implementation of the AudioManager singleton. This class is internal | 18 // Windows implementation of the AudioManager singleton. This class is internal |
19 // to the audio output and only internal users can call methods not exposed by | 19 // to the audio output and only internal users can call methods not exposed by |
20 // the AudioManager class. | 20 // the AudioManager class. |
21 class MEDIA_EXPORT AudioManagerWin : public AudioManagerBase { | 21 class MEDIA_EXPORT AudioManagerWin : public AudioManagerBase { |
22 public: | 22 public: |
23 AudioManagerWin( | 23 AudioManagerWin(std::unique_ptr<AudioThread> audio_thread, |
24 scoped_refptr<base::SingleThreadTaskRunner> task_runner, | 24 AudioLogFactory* audio_log_factory); |
25 scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner, | 25 ~AudioManagerWin() override; |
26 AudioLogFactory* audio_log_factory); | |
27 | 26 |
28 // Implementation of AudioManager. | 27 // Implementation of AudioManager. |
29 bool HasAudioOutputDevices() override; | 28 bool HasAudioOutputDevices() override; |
30 bool HasAudioInputDevices() override; | 29 bool HasAudioInputDevices() override; |
31 base::string16 GetAudioInputDeviceModel() override; | 30 base::string16 GetAudioInputDeviceModel() override; |
32 void ShowAudioInputSettings() override; | 31 void ShowAudioInputSettings() override; |
33 void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override; | 32 void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override; |
34 void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override; | 33 void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override; |
35 AudioParameters GetInputStreamParameters( | 34 AudioParameters GetInputStreamParameters( |
36 const std::string& device_id) override; | 35 const std::string& device_id) override; |
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50 const AudioParameters& params, | 49 const AudioParameters& params, |
51 const std::string& device_id, | 50 const std::string& device_id, |
52 const LogCallback& log_callback) override; | 51 const LogCallback& log_callback) override; |
53 AudioInputStream* MakeLowLatencyInputStream( | 52 AudioInputStream* MakeLowLatencyInputStream( |
54 const AudioParameters& params, | 53 const AudioParameters& params, |
55 const std::string& device_id, | 54 const std::string& device_id, |
56 const LogCallback& log_callback) override; | 55 const LogCallback& log_callback) override; |
57 std::string GetDefaultOutputDeviceID() override; | 56 std::string GetDefaultOutputDeviceID() override; |
58 | 57 |
59 protected: | 58 protected: |
60 ~AudioManagerWin() override; | 59 void ShutdownOnAudioThread() override; |
61 | |
62 AudioParameters GetPreferredOutputStreamParameters( | 60 AudioParameters GetPreferredOutputStreamParameters( |
63 const std::string& output_device_id, | 61 const std::string& output_device_id, |
64 const AudioParameters& input_params) override; | 62 const AudioParameters& input_params) override; |
65 | 63 |
66 private: | 64 private: |
67 // Allow unit test to modify the utilized enumeration API. | 65 // Allow unit test to modify the utilized enumeration API. |
68 friend class AudioManagerTest; | 66 friend class AudioManagerTest; |
69 | 67 |
70 // Helper methods for performing expensive initialization tasks on the audio | 68 // Helper methods for performing expensive initialization tasks on the audio |
71 // thread instead of on the UI thread which AudioManager is constructed on. | 69 // thread instead of on the UI thread which AudioManager is constructed on. |
72 void InitializeOnAudioThread(); | 70 void InitializeOnAudioThread(); |
73 | 71 |
74 void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names); | 72 void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names); |
75 | 73 |
76 // Listen for output device changes. | 74 // Listen for output device changes. |
77 std::unique_ptr<AudioDeviceListenerWin> output_device_listener_; | 75 std::unique_ptr<AudioDeviceListenerWin> output_device_listener_; |
78 | 76 |
79 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); | 77 DISALLOW_COPY_AND_ASSIGN(AudioManagerWin); |
80 }; | 78 }; |
81 | 79 |
82 } // namespace media | 80 } // namespace media |
83 | 81 |
84 #endif // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ | 82 #endif // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_ |
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