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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_ALSA_INPUT_H_ | 5 #ifndef MEDIA_AUDIO_LINUX_ALSA_INPUT_H_ |
6 #define MEDIA_AUDIO_LINUX_ALSA_INPUT_H_ | 6 #define MEDIA_AUDIO_LINUX_ALSA_INPUT_H_ |
7 | 7 |
8 #include <alsa/asoundlib.h> | 8 #include <alsa/asoundlib.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "base/time.h" | 15 #include "base/time/time.h" |
16 #include "media/audio/agc_audio_stream.h" | 16 #include "media/audio/agc_audio_stream.h" |
17 #include "media/audio/audio_io.h" | 17 #include "media/audio/audio_io.h" |
18 #include "media/audio/audio_parameters.h" | 18 #include "media/audio/audio_parameters.h" |
19 | 19 |
20 namespace media { | 20 namespace media { |
21 | 21 |
22 class AlsaWrapper; | 22 class AlsaWrapper; |
23 class AudioManagerLinux; | 23 class AudioManagerLinux; |
24 | 24 |
25 // Provides an input stream for audio capture based on the ALSA PCM interface. | 25 // Provides an input stream for audio capture based on the ALSA PCM interface. |
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83 base::WeakPtrFactory<AlsaPcmInputStream> weak_factory_; | 83 base::WeakPtrFactory<AlsaPcmInputStream> weak_factory_; |
84 scoped_ptr<uint8[]> audio_buffer_; // Buffer used for reading audio data. | 84 scoped_ptr<uint8[]> audio_buffer_; // Buffer used for reading audio data. |
85 bool read_callback_behind_schedule_; | 85 bool read_callback_behind_schedule_; |
86 | 86 |
87 DISALLOW_COPY_AND_ASSIGN(AlsaPcmInputStream); | 87 DISALLOW_COPY_AND_ASSIGN(AlsaPcmInputStream); |
88 }; | 88 }; |
89 | 89 |
90 } // namespace media | 90 } // namespace media |
91 | 91 |
92 #endif // MEDIA_AUDIO_LINUX_ALSA_INPUT_H_ | 92 #endif // MEDIA_AUDIO_LINUX_ALSA_INPUT_H_ |
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