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Side by Side Diff: media/audio/win/audio_low_latency_output_win.h

Issue 1542013004: Switch to standard integer types in media/, take 2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more stddef Created 5 years ago
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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 AudioOutputStream for Windows using Windows Core Audio 5 // Implementation of AudioOutputStream for Windows using Windows Core Audio
6 // WASAPI for low latency rendering. 6 // WASAPI for low latency rendering.
7 // 7 //
8 // Overview of operation and performance: 8 // Overview of operation and performance:
9 // 9 //
10 // - An object of WASAPIAudioOutputStream is created by the AudioManager 10 // - An object of WASAPIAudioOutputStream is created by the AudioManager
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88 // o ~3.3333ms @ 48kHz <=> 160 audio frames per buffer. 88 // o ~3.3333ms @ 48kHz <=> 160 audio frames per buffer.
89 // o ~3.6281ms @ 44.1kHz <=> 160 audio frames per buffer. 89 // o ~3.6281ms @ 44.1kHz <=> 160 audio frames per buffer.
90 // - See http://msdn.microsoft.com/en-us/library/windows/desktop/dd370844(v=vs.8 5).aspx 90 // - See http://msdn.microsoft.com/en-us/library/windows/desktop/dd370844(v=vs.8 5).aspx
91 // for more details. 91 // for more details.
92 92
93 #ifndef MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_ 93 #ifndef MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_
94 #define MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_ 94 #define MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_
95 95
96 #include <Audioclient.h> 96 #include <Audioclient.h>
97 #include <MMDeviceAPI.h> 97 #include <MMDeviceAPI.h>
98 #include <stddef.h>
99 #include <stdint.h>
98 100
99 #include <string> 101 #include <string>
100 102
101 #include "base/compiler_specific.h" 103 #include "base/compiler_specific.h"
102 #include "base/macros.h" 104 #include "base/macros.h"
103 #include "base/memory/scoped_ptr.h" 105 #include "base/memory/scoped_ptr.h"
104 #include "base/threading/platform_thread.h" 106 #include "base/threading/platform_thread.h"
105 #include "base/threading/simple_thread.h" 107 #include "base/threading/simple_thread.h"
106 #include "base/win/scoped_co_mem.h" 108 #include "base/win/scoped_co_mem.h"
107 #include "base/win/scoped_com_initializer.h" 109 #include "base/win/scoped_com_initializer.h"
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241 scoped_ptr<AudioBus> audio_bus_; 243 scoped_ptr<AudioBus> audio_bus_;
242 244
243 base::win::ScopedComPtr<IAudioClock> audio_clock_; 245 base::win::ScopedComPtr<IAudioClock> audio_clock_;
244 246
245 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioOutputStream); 247 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioOutputStream);
246 }; 248 };
247 249
248 } // namespace media 250 } // namespace media
249 251
250 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_ 252 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_
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