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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_MAC_AUDIO_INPUT_MAC_H_ | 5 #ifndef MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ |
6 #define MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ | 6 #define MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ |
7 | 7 |
8 #include <AudioToolbox/AudioQueue.h> | 8 #include <AudioToolbox/AudioQueue.h> |
9 #include <AudioToolbox/AudioFormat.h> | 9 #include <AudioToolbox/AudioFormat.h> |
10 | 10 |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "media/audio/audio_io.h" | 12 #include "media/audio/audio_io.h" |
13 #include "media/audio/audio_parameters.h" | 13 #include "media/audio/audio_parameters.h" |
14 | 14 |
| 15 namespace media { |
| 16 |
15 class AudioManagerMac; | 17 class AudioManagerMac; |
16 | 18 |
17 // Implementation of AudioInputStream for Mac OS X using the audio queue service | 19 // Implementation of AudioInputStream for Mac OS X using the audio queue service |
18 // present in OS 10.5 and later. Design reflects PCMQueueOutAudioOutputStream. | 20 // present in OS 10.5 and later. Design reflects PCMQueueOutAudioOutputStream. |
19 class PCMQueueInAudioInputStream : public AudioInputStream { | 21 class PCMQueueInAudioInputStream : public AudioInputStream { |
20 public: | 22 public: |
21 // Parameters as per AudioManager::MakeAudioInputStream. | 23 // Parameters as per AudioManager::MakeAudioInputStream. |
22 PCMQueueInAudioInputStream(AudioManagerMac* manager, | 24 PCMQueueInAudioInputStream(AudioManagerMac* manager, |
23 const AudioParameters& params); | 25 const AudioParameters& params); |
24 virtual ~PCMQueueInAudioInputStream(); | 26 virtual ~PCMQueueInAudioInputStream(); |
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71 // Handle to the OS audio queue object. | 73 // Handle to the OS audio queue object. |
72 AudioQueueRef audio_queue_; | 74 AudioQueueRef audio_queue_; |
73 // Size of each of the buffers in |audio_buffers_| | 75 // Size of each of the buffers in |audio_buffers_| |
74 uint32 buffer_size_bytes_; | 76 uint32 buffer_size_bytes_; |
75 // True iff Start() has been called successfully. | 77 // True iff Start() has been called successfully. |
76 bool started_; | 78 bool started_; |
77 | 79 |
78 DISALLOW_COPY_AND_ASSIGN(PCMQueueInAudioInputStream); | 80 DISALLOW_COPY_AND_ASSIGN(PCMQueueInAudioInputStream); |
79 }; | 81 }; |
80 | 82 |
| 83 } // namespace media |
| 84 |
81 #endif // MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ | 85 #endif // MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ |
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