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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/AudioFormat.h> | 8 #include <AudioToolbox/AudioFormat.h> |
9 #include <AudioToolbox/AudioQueue.h> | 9 #include <AudioToolbox/AudioQueue.h> |
10 | 10 |
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22 // Implementation of AudioInputStream for Mac OS X using the audio queue service | 22 // Implementation of AudioInputStream for Mac OS X using the audio queue service |
23 // present in OS 10.5 and later. Design reflects PCMQueueOutAudioOutputStream. | 23 // present in OS 10.5 and later. Design reflects PCMQueueOutAudioOutputStream. |
24 class PCMQueueInAudioInputStream : public AudioInputStream { | 24 class PCMQueueInAudioInputStream : public AudioInputStream { |
25 public: | 25 public: |
26 // Parameters as per AudioManager::MakeAudioInputStream. | 26 // Parameters as per AudioManager::MakeAudioInputStream. |
27 PCMQueueInAudioInputStream(AudioManagerMac* manager, | 27 PCMQueueInAudioInputStream(AudioManagerMac* manager, |
28 const AudioParameters& params); | 28 const AudioParameters& params); |
29 virtual ~PCMQueueInAudioInputStream(); | 29 virtual ~PCMQueueInAudioInputStream(); |
30 | 30 |
31 // Implementation of AudioInputStream. | 31 // Implementation of AudioInputStream. |
32 virtual bool Open() OVERRIDE; | 32 virtual bool Open() override; |
33 virtual void Start(AudioInputCallback* callback) OVERRIDE; | 33 virtual void Start(AudioInputCallback* callback) override; |
34 virtual void Stop() OVERRIDE; | 34 virtual void Stop() override; |
35 virtual void Close() OVERRIDE; | 35 virtual void Close() override; |
36 virtual double GetMaxVolume() OVERRIDE; | 36 virtual double GetMaxVolume() override; |
37 virtual void SetVolume(double volume) OVERRIDE; | 37 virtual void SetVolume(double volume) override; |
38 virtual double GetVolume() OVERRIDE; | 38 virtual double GetVolume() override; |
39 virtual void SetAutomaticGainControl(bool enabled) OVERRIDE; | 39 virtual void SetAutomaticGainControl(bool enabled) override; |
40 virtual bool GetAutomaticGainControl() OVERRIDE; | 40 virtual bool GetAutomaticGainControl() override; |
41 | 41 |
42 private: | 42 private: |
43 // Issue the OnError to |callback_|; | 43 // Issue the OnError to |callback_|; |
44 void HandleError(OSStatus err); | 44 void HandleError(OSStatus err); |
45 | 45 |
46 // Allocates and prepares the memory that will be used for recording. | 46 // Allocates and prepares the memory that will be used for recording. |
47 bool SetupBuffers(); | 47 bool SetupBuffers(); |
48 | 48 |
49 // Sends a buffer to the audio driver for recording. | 49 // Sends a buffer to the audio driver for recording. |
50 OSStatus QueueNextBuffer(AudioQueueBufferRef audio_buffer); | 50 OSStatus QueueNextBuffer(AudioQueueBufferRef audio_buffer); |
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85 base::CancelableClosure deferred_start_cb_; | 85 base::CancelableClosure deferred_start_cb_; |
86 | 86 |
87 scoped_ptr<media::AudioBus> audio_bus_; | 87 scoped_ptr<media::AudioBus> audio_bus_; |
88 | 88 |
89 DISALLOW_COPY_AND_ASSIGN(PCMQueueInAudioInputStream); | 89 DISALLOW_COPY_AND_ASSIGN(PCMQueueInAudioInputStream); |
90 }; | 90 }; |
91 | 91 |
92 } // namespace media | 92 } // namespace media |
93 | 93 |
94 #endif // MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ | 94 #endif // MEDIA_AUDIO_MAC_AUDIO_INPUT_MAC_H_ |
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