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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 // Implementation of AudioInputStream for Windows using Windows Core Audio | 5 // Implementation of AudioInputStream for Windows using Windows Core Audio |
| 6 // WASAPI for low latency capturing. | 6 // WASAPI for low latency capturing. |
| 7 // | 7 // |
| 8 // Overview of operation: | 8 // Overview of operation: |
| 9 // | 9 // |
| 10 // - An object of WASAPIAudioInputStream is created by the AudioManager | 10 // - An object of WASAPIAudioInputStream is created by the AudioManager |
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| 55 // | 55 // |
| 56 #ifndef MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ | 56 #ifndef MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ |
| 57 #define MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ | 57 #define MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ |
| 58 | 58 |
| 59 #include <Audioclient.h> | 59 #include <Audioclient.h> |
| 60 #include <MMDeviceAPI.h> | 60 #include <MMDeviceAPI.h> |
| 61 | 61 |
| 62 #include <string> | 62 #include <string> |
| 63 | 63 |
| 64 #include "base/compiler_specific.h" | 64 #include "base/compiler_specific.h" |
| 65 #include "base/macros.h" |
| 65 #include "base/threading/non_thread_safe.h" | 66 #include "base/threading/non_thread_safe.h" |
| 66 #include "base/threading/platform_thread.h" | 67 #include "base/threading/platform_thread.h" |
| 67 #include "base/threading/simple_thread.h" | 68 #include "base/threading/simple_thread.h" |
| 68 #include "base/win/scoped_co_mem.h" | 69 #include "base/win/scoped_co_mem.h" |
| 69 #include "base/win/scoped_com_initializer.h" | 70 #include "base/win/scoped_com_initializer.h" |
| 70 #include "base/win/scoped_comptr.h" | 71 #include "base/win/scoped_comptr.h" |
| 71 #include "base/win/scoped_handle.h" | 72 #include "base/win/scoped_handle.h" |
| 72 #include "media/audio/agc_audio_stream.h" | 73 #include "media/audio/agc_audio_stream.h" |
| 73 #include "media/audio/audio_parameters.h" | 74 #include "media/audio/audio_parameters.h" |
| 74 #include "media/base/media_export.h" | 75 #include "media/base/media_export.h" |
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| 202 // Extra audio bus used for storage of deinterleaved data for the OnData | 203 // Extra audio bus used for storage of deinterleaved data for the OnData |
| 203 // callback. | 204 // callback. |
| 204 scoped_ptr<media::AudioBus> audio_bus_; | 205 scoped_ptr<media::AudioBus> audio_bus_; |
| 205 | 206 |
| 206 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioInputStream); | 207 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioInputStream); |
| 207 }; | 208 }; |
| 208 | 209 |
| 209 } // namespace media | 210 } // namespace media |
| 210 | 211 |
| 211 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ | 212 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_INPUT_WIN_H_ |
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