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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_LINUX_AUDIO_MANAGER_LINUX_H_ | 5 #ifndef MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ |
6 #define MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ | 6 #define MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/threading/thread.h" | 11 #include "base/threading/thread.h" |
12 #include "media/audio/audio_manager_base.h" | 12 #include "media/audio/audio_manager_base.h" |
13 | 13 |
14 class AlsaPcmOutputStream; | |
15 class AlsaWrapper; | 14 class AlsaWrapper; |
16 | 15 |
17 class AudioManagerLinux : public AudioManagerBase { | 16 class AudioManagerLinux : public AudioManagerBase { |
18 public: | 17 public: |
19 AudioManagerLinux(); | 18 AudioManagerLinux(); |
20 | 19 |
21 // Call before using a newly created AudioManagerLinux instance. | 20 // Call before using a newly created AudioManagerLinux instance. |
22 virtual void Init(); | 21 virtual void Init(); |
23 | 22 |
24 // Implementation of AudioManager. | 23 // Implementation of AudioManager. |
25 virtual bool HasAudioOutputDevices(); | 24 virtual bool HasAudioOutputDevices(); |
26 virtual bool HasAudioInputDevices(); | 25 virtual bool HasAudioInputDevices(); |
27 virtual AudioOutputStream* MakeAudioOutputStream( | 26 virtual AudioOutputStream* MakeAudioOutputStream( |
28 const AudioParameters& params); | 27 const AudioParameters& params); |
29 virtual AudioInputStream* MakeAudioInputStream(const AudioParameters& params); | 28 virtual AudioInputStream* MakeAudioInputStream(const AudioParameters& params); |
30 virtual bool CanShowAudioInputSettings(); | 29 virtual bool CanShowAudioInputSettings(); |
31 virtual void ShowAudioInputSettings(); | 30 virtual void ShowAudioInputSettings(); |
32 virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names); | 31 virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names); |
33 | 32 |
34 virtual void MuteAll(); | 33 virtual void MuteAll(); |
35 virtual void UnMuteAll(); | 34 virtual void UnMuteAll(); |
36 | 35 |
37 virtual void ReleaseOutputStream(AlsaPcmOutputStream* stream); | 36 virtual void ReleaseOutputStream(AudioOutputStream* stream); |
38 | 37 |
39 protected: | 38 protected: |
40 virtual ~AudioManagerLinux(); | 39 virtual ~AudioManagerLinux(); |
41 | 40 |
42 private: | 41 private: |
43 // Helper method to query if there is any valid input device | 42 // Helper method to query if there is any valid input device |
44 bool HasAnyValidAudioInputDevice(void** hint); | 43 bool HasAnyValidAudioInputDevice(void** hint); |
45 | 44 |
46 scoped_ptr<AlsaWrapper> wrapper_; | 45 scoped_ptr<AlsaWrapper> wrapper_; |
47 | 46 |
48 std::set<AlsaPcmOutputStream*> active_streams_; | 47 std::set<AudioOutputStream*> active_streams_; |
49 | 48 |
50 DISALLOW_COPY_AND_ASSIGN(AudioManagerLinux); | 49 DISALLOW_COPY_AND_ASSIGN(AudioManagerLinux); |
51 }; | 50 }; |
52 | 51 |
53 #endif // MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ | 52 #endif // MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ |
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