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Side by Side Diff: media/audio/win/core_audio_util_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 4 years, 12 months 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 // Utility methods for the Core Audio API on Windows. 5 // Utility methods for the Core Audio API on Windows.
6 // Always ensure that Core Audio is supported before using these methods. 6 // Always ensure that Core Audio is supported before using these methods.
7 // Use media::CoreAudioUtil::IsSupported() for this purpose. 7 // Use media::CoreAudioUtil::IsSupported() for this purpose.
8 // Also, all methods must be called on a valid COM thread. This can be done 8 // Also, all methods must be called on a valid COM thread. This can be done
9 // by using the base::win::ScopedCOMInitializer helper class. 9 // by using the base::win::ScopedCOMInitializer helper class.
10 10
11 #ifndef MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_ 11 #ifndef MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_
12 #define MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_ 12 #define MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_
13 13
14 #include <audioclient.h> 14 #include <audioclient.h>
15 #include <mmdeviceapi.h> 15 #include <mmdeviceapi.h>
16 #include <stdint.h>
16 #include <string> 17 #include <string>
17 18
18 #include "base/macros.h" 19 #include "base/macros.h"
19 #include "base/time/time.h" 20 #include "base/time/time.h"
20 #include "base/win/scoped_comptr.h" 21 #include "base/win/scoped_comptr.h"
21 #include "media/audio/audio_device_name.h" 22 #include "media/audio/audio_device_name.h"
22 #include "media/audio/audio_parameters.h" 23 #include "media/audio/audio_parameters.h"
23 #include "media/base/media_export.h" 24 #include "media/base/media_export.h"
24 25
25 using base::win::ScopedComPtr; 26 using base::win::ScopedComPtr;
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242 // The special audio session identifier we use when opening up the default 243 // The special audio session identifier we use when opening up the default
243 // communication device. This has the effect that a separate volume control 244 // communication device. This has the effect that a separate volume control
244 // will be shown in the system's volume mixer and control over ducking and 245 // will be shown in the system's volume mixer and control over ducking and
245 // visually observing the behavior of ducking, is easier. 246 // visually observing the behavior of ducking, is easier.
246 // Use with |SharedModeInitialize|. 247 // Use with |SharedModeInitialize|.
247 extern const GUID kCommunicationsSessionId; 248 extern const GUID kCommunicationsSessionId;
248 249
249 } // namespace media 250 } // namespace media
250 251
251 #endif // MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_ 252 #endif // MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_
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