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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::CoreAudioIsSupported() for this purpose. | 7 // Use media::CoreAudioIsSupported() 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 <string> | 16 #include <string> |
17 | 17 |
18 #include "base/basictypes.h" | 18 #include "base/basictypes.h" |
19 #include "base/time.h" | 19 #include "base/time/time.h" |
20 #include "base/win/scoped_comptr.h" | 20 #include "base/win/scoped_comptr.h" |
21 #include "media/audio/audio_device_name.h" | 21 #include "media/audio/audio_device_name.h" |
22 #include "media/audio/audio_parameters.h" | 22 #include "media/audio/audio_parameters.h" |
23 #include "media/base/media_export.h" | 23 #include "media/base/media_export.h" |
24 | 24 |
25 using base::win::ScopedComPtr; | 25 using base::win::ScopedComPtr; |
26 | 26 |
27 namespace media { | 27 namespace media { |
28 | 28 |
29 class MEDIA_EXPORT CoreAudioUtil { | 29 class MEDIA_EXPORT CoreAudioUtil { |
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182 | 182 |
183 private: | 183 private: |
184 CoreAudioUtil() {} | 184 CoreAudioUtil() {} |
185 ~CoreAudioUtil() {} | 185 ~CoreAudioUtil() {} |
186 DISALLOW_COPY_AND_ASSIGN(CoreAudioUtil); | 186 DISALLOW_COPY_AND_ASSIGN(CoreAudioUtil); |
187 }; | 187 }; |
188 | 188 |
189 } // namespace media | 189 } // namespace media |
190 | 190 |
191 #endif // MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_ | 191 #endif // MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_ |
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