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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_ALSA_AUDIO_MANAGER_ALSA_H_ | 5 #ifndef MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_ |
6 #define MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_ | 6 #define MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
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 namespace media { | 14 namespace media { |
15 | 15 |
16 class AlsaWrapper; | 16 class AlsaWrapper; |
17 | 17 |
18 class MEDIA_EXPORT AudioManagerAlsa : public AudioManagerBase { | 18 class MEDIA_EXPORT AudioManagerAlsa : public AudioManagerBase { |
19 public: | 19 public: |
20 AudioManagerAlsa(AudioLogFactory* audio_log_factory); | 20 AudioManagerAlsa(AudioLogFactory* audio_log_factory); |
21 | 21 |
22 static void ShowLinuxAudioInputSettings(); | 22 static void ShowLinuxAudioInputSettings(); |
23 | 23 |
24 // Implementation of AudioManager. | 24 // Implementation of AudioManager. |
25 virtual bool HasAudioOutputDevices() OVERRIDE; | 25 virtual bool HasAudioOutputDevices() override; |
26 virtual bool HasAudioInputDevices() OVERRIDE; | 26 virtual bool HasAudioInputDevices() override; |
27 virtual void ShowAudioInputSettings() OVERRIDE; | 27 virtual void ShowAudioInputSettings() override; |
28 virtual void GetAudioInputDeviceNames( | 28 virtual void GetAudioInputDeviceNames( |
29 AudioDeviceNames* device_names) OVERRIDE; | 29 AudioDeviceNames* device_names) override; |
30 virtual void GetAudioOutputDeviceNames( | 30 virtual void GetAudioOutputDeviceNames( |
31 AudioDeviceNames* device_names) OVERRIDE; | 31 AudioDeviceNames* device_names) override; |
32 virtual AudioParameters GetInputStreamParameters( | 32 virtual AudioParameters GetInputStreamParameters( |
33 const std::string& device_id) OVERRIDE; | 33 const std::string& device_id) override; |
34 | 34 |
35 // Implementation of AudioManagerBase. | 35 // Implementation of AudioManagerBase. |
36 virtual AudioOutputStream* MakeLinearOutputStream( | 36 virtual AudioOutputStream* MakeLinearOutputStream( |
37 const AudioParameters& params) OVERRIDE; | 37 const AudioParameters& params) override; |
38 virtual AudioOutputStream* MakeLowLatencyOutputStream( | 38 virtual AudioOutputStream* MakeLowLatencyOutputStream( |
39 const AudioParameters& params, | 39 const AudioParameters& params, |
40 const std::string& device_id) OVERRIDE; | 40 const std::string& device_id) override; |
41 virtual AudioInputStream* MakeLinearInputStream( | 41 virtual AudioInputStream* MakeLinearInputStream( |
42 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 42 const AudioParameters& params, const std::string& device_id) override; |
43 virtual AudioInputStream* MakeLowLatencyInputStream( | 43 virtual AudioInputStream* MakeLowLatencyInputStream( |
44 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 44 const AudioParameters& params, const std::string& device_id) override; |
45 | 45 |
46 protected: | 46 protected: |
47 virtual ~AudioManagerAlsa(); | 47 virtual ~AudioManagerAlsa(); |
48 | 48 |
49 virtual AudioParameters GetPreferredOutputStreamParameters( | 49 virtual AudioParameters GetPreferredOutputStreamParameters( |
50 const std::string& output_device_id, | 50 const std::string& output_device_id, |
51 const AudioParameters& input_params) OVERRIDE; | 51 const AudioParameters& input_params) override; |
52 | 52 |
53 private: | 53 private: |
54 enum StreamType { | 54 enum StreamType { |
55 kStreamPlayback = 0, | 55 kStreamPlayback = 0, |
56 kStreamCapture, | 56 kStreamCapture, |
57 }; | 57 }; |
58 | 58 |
59 // Gets a list of available ALSA devices. | 59 // Gets a list of available ALSA devices. |
60 void GetAlsaAudioDevices(StreamType type, | 60 void GetAlsaAudioDevices(StreamType type, |
61 media::AudioDeviceNames* device_names); | 61 media::AudioDeviceNames* device_names); |
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84 const std::string& device_id); | 84 const std::string& device_id); |
85 | 85 |
86 scoped_ptr<AlsaWrapper> wrapper_; | 86 scoped_ptr<AlsaWrapper> wrapper_; |
87 | 87 |
88 DISALLOW_COPY_AND_ASSIGN(AudioManagerAlsa); | 88 DISALLOW_COPY_AND_ASSIGN(AudioManagerAlsa); |
89 }; | 89 }; |
90 | 90 |
91 } // namespace media | 91 } // namespace media |
92 | 92 |
93 #endif // MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_ | 93 #endif // MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_ |
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