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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_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 <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" |
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32 | 32 |
33 // Implementation of AudioManagerBase. | 33 // Implementation of AudioManagerBase. |
34 virtual AudioOutputStream* MakeLinearOutputStream( | 34 virtual AudioOutputStream* MakeLinearOutputStream( |
35 const AudioParameters& params) OVERRIDE; | 35 const AudioParameters& params) OVERRIDE; |
36 virtual AudioOutputStream* MakeLowLatencyOutputStream( | 36 virtual AudioOutputStream* MakeLowLatencyOutputStream( |
37 const AudioParameters& params) OVERRIDE; | 37 const AudioParameters& params) OVERRIDE; |
38 virtual AudioInputStream* MakeLinearInputStream( | 38 virtual AudioInputStream* MakeLinearInputStream( |
39 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 39 const AudioParameters& params, const std::string& device_id) OVERRIDE; |
40 virtual AudioInputStream* MakeLowLatencyInputStream( | 40 virtual AudioInputStream* MakeLowLatencyInputStream( |
41 const AudioParameters& params, const std::string& device_id) OVERRIDE; | 41 const AudioParameters& params, const std::string& device_id) OVERRIDE; |
| 42 virtual AudioParameters GetPreferredLowLatencyOutputStreamParameters( |
| 43 const AudioParameters& input_params) OVERRIDE; |
42 | 44 |
43 protected: | 45 protected: |
44 virtual ~AudioManagerLinux(); | 46 virtual ~AudioManagerLinux(); |
45 | 47 |
46 private: | 48 private: |
47 enum StreamType { | 49 enum StreamType { |
48 kStreamPlayback = 0, | 50 kStreamPlayback = 0, |
49 kStreamCapture, | 51 kStreamCapture, |
50 }; | 52 }; |
51 | 53 |
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75 const std::string& device_id); | 77 const std::string& device_id); |
76 | 78 |
77 scoped_ptr<AlsaWrapper> wrapper_; | 79 scoped_ptr<AlsaWrapper> wrapper_; |
78 | 80 |
79 DISALLOW_COPY_AND_ASSIGN(AudioManagerLinux); | 81 DISALLOW_COPY_AND_ASSIGN(AudioManagerLinux); |
80 }; | 82 }; |
81 | 83 |
82 } // namespace media | 84 } // namespace media |
83 | 85 |
84 #endif // MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ | 86 #endif // MEDIA_AUDIO_LINUX_AUDIO_MANAGER_LINUX_H_ |
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