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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_WIN_WAVEIN_INPUT_WIN_H_ | 5 #ifndef MEDIA_AUDIO_WIN_WAVEIN_INPUT_WIN_H_ |
| 6 #define MEDIA_AUDIO_WIN_WAVEIN_INPUT_WIN_H_ | 6 #define MEDIA_AUDIO_WIN_WAVEIN_INPUT_WIN_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include <windows.h> | 10 #include <windows.h> |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 // The ctor takes all the usual parameters, plus |manager| which is the | 28 // The ctor takes all the usual parameters, plus |manager| which is the |
| 29 // the audio manager who is creating this object and |device_id| which | 29 // the audio manager who is creating this object and |device_id| which |
| 30 // is provided by the operating system. | 30 // is provided by the operating system. |
| 31 PCMWaveInAudioInputStream(AudioManagerWin* manager, | 31 PCMWaveInAudioInputStream(AudioManagerWin* manager, |
| 32 const AudioParameters& params, | 32 const AudioParameters& params, |
| 33 int num_buffers, | 33 int num_buffers, |
| 34 const std::string& device_id); | 34 const std::string& device_id); |
| 35 virtual ~PCMWaveInAudioInputStream(); | 35 virtual ~PCMWaveInAudioInputStream(); |
| 36 | 36 |
| 37 // Implementation of AudioInputStream. | 37 // Implementation of AudioInputStream. |
| 38 virtual bool Open() OVERRIDE; | 38 virtual bool Open() override; |
| 39 virtual void Start(AudioInputCallback* callback) OVERRIDE; | 39 virtual void Start(AudioInputCallback* callback) override; |
| 40 virtual void Stop() OVERRIDE; | 40 virtual void Stop() override; |
| 41 virtual void Close() OVERRIDE; | 41 virtual void Close() override; |
| 42 // TODO(henrika): Add volume support using the Audio Mixer API. | 42 // TODO(henrika): Add volume support using the Audio Mixer API. |
| 43 virtual double GetMaxVolume() OVERRIDE; | 43 virtual double GetMaxVolume() override; |
| 44 virtual void SetVolume(double volume) OVERRIDE; | 44 virtual void SetVolume(double volume) override; |
| 45 virtual double GetVolume() OVERRIDE; | 45 virtual double GetVolume() override; |
| 46 virtual void SetAutomaticGainControl(bool enabled) OVERRIDE; | 46 virtual void SetAutomaticGainControl(bool enabled) override; |
| 47 virtual bool GetAutomaticGainControl() OVERRIDE; | 47 virtual bool GetAutomaticGainControl() override; |
| 48 | 48 |
| 49 private: | 49 private: |
| 50 enum State { | 50 enum State { |
| 51 kStateEmpty, // Initial state. | 51 kStateEmpty, // Initial state. |
| 52 kStateReady, // Device obtained and ready to record. | 52 kStateReady, // Device obtained and ready to record. |
| 53 kStateRecording, // Recording audio. | 53 kStateRecording, // Recording audio. |
| 54 kStateStopping, // Trying to stop, waiting for callback to finish. | 54 kStateStopping, // Trying to stop, waiting for callback to finish. |
| 55 kStateStopped, // Stopped. Device was reset. | 55 kStateStopped, // Stopped. Device was reset. |
| 56 kStateClosed // Device has been released. | 56 kStateClosed // Device has been released. |
| 57 }; | 57 }; |
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| 127 // Extra audio bus used for storage of deinterleaved data for the OnData | 127 // Extra audio bus used for storage of deinterleaved data for the OnData |
| 128 // callback. | 128 // callback. |
| 129 scoped_ptr<media::AudioBus> audio_bus_; | 129 scoped_ptr<media::AudioBus> audio_bus_; |
| 130 | 130 |
| 131 DISALLOW_COPY_AND_ASSIGN(PCMWaveInAudioInputStream); | 131 DISALLOW_COPY_AND_ASSIGN(PCMWaveInAudioInputStream); |
| 132 }; | 132 }; |
| 133 | 133 |
| 134 } // namespace media | 134 } // namespace media |
| 135 | 135 |
| 136 #endif // MEDIA_AUDIO_WIN_WAVEIN_INPUT_WIN_H_ | 136 #endif // MEDIA_AUDIO_WIN_WAVEIN_INPUT_WIN_H_ |
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