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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_ALSA_INPUT_H_ | 5 #ifndef MEDIA_AUDIO_ALSA_ALSA_INPUT_H_ |
6 #define MEDIA_AUDIO_ALSA_ALSA_INPUT_H_ | 6 #define MEDIA_AUDIO_ALSA_ALSA_INPUT_H_ |
7 | 7 |
8 #include <alsa/asoundlib.h> | 8 #include <alsa/asoundlib.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
17 #include "base/time/time.h" | 17 #include "base/time/time.h" |
18 #include "media/audio/agc_audio_stream.h" | 18 #include "media/audio/agc_audio_stream.h" |
19 #include "media/audio/audio_io.h" | 19 #include "media/audio/audio_io.h" |
20 #include "media/audio/audio_parameters.h" | 20 #include "media/base/audio_parameters.h" |
21 | 21 |
22 namespace media { | 22 namespace media { |
23 | 23 |
24 class AlsaWrapper; | 24 class AlsaWrapper; |
25 class AudioManagerBase; | 25 class AudioManagerBase; |
26 | 26 |
27 // Provides an input stream for audio capture based on the ALSA PCM interface. | 27 // Provides an input stream for audio capture based on the ALSA PCM interface. |
28 // This object is not thread safe and all methods should be invoked in the | 28 // This object is not thread safe and all methods should be invoked in the |
29 // thread that created the object. | 29 // thread that created the object. |
30 class AlsaPcmInputStream : public AgcAudioStream<AudioInputStream> { | 30 class AlsaPcmInputStream : public AgcAudioStream<AudioInputStream> { |
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89 | 89 |
90 // NOTE: Weak pointers must be invalidated before all other member variables. | 90 // NOTE: Weak pointers must be invalidated before all other member variables. |
91 base::WeakPtrFactory<AlsaPcmInputStream> weak_factory_; | 91 base::WeakPtrFactory<AlsaPcmInputStream> weak_factory_; |
92 | 92 |
93 DISALLOW_COPY_AND_ASSIGN(AlsaPcmInputStream); | 93 DISALLOW_COPY_AND_ASSIGN(AlsaPcmInputStream); |
94 }; | 94 }; |
95 | 95 |
96 } // namespace media | 96 } // namespace media |
97 | 97 |
98 #endif // MEDIA_AUDIO_ALSA_ALSA_INPUT_H_ | 98 #endif // MEDIA_AUDIO_ALSA_ALSA_INPUT_H_ |
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