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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_BASE_AUDIO_CAPTURER_SOURCE_H_ | 5 #ifndef MEDIA_BASE_AUDIO_CAPTURER_SOURCE_H_ |
6 #define MEDIA_BASE_AUDIO_CAPTURER_SOURCE_H_ | 6 #define MEDIA_BASE_AUDIO_CAPTURER_SOURCE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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34 // TODO(chcunningham): Update delay argument to use frames instead of | 34 // TODO(chcunningham): Update delay argument to use frames instead of |
35 // milliseconds to prevent loss of precision. See http://crbug.com/587291. | 35 // milliseconds to prevent loss of precision. See http://crbug.com/587291. |
36 virtual void Capture(const AudioBus* audio_source, | 36 virtual void Capture(const AudioBus* audio_source, |
37 int audio_delay_milliseconds, | 37 int audio_delay_milliseconds, |
38 double volume, | 38 double volume, |
39 bool key_pressed) = 0; | 39 bool key_pressed) = 0; |
40 | 40 |
41 // Signals an error has occurred. | 41 // Signals an error has occurred. |
42 virtual void OnCaptureError(const std::string& message) = 0; | 42 virtual void OnCaptureError(const std::string& message) = 0; |
43 | 43 |
| 44 // Signals the muted state has changed. |
| 45 virtual void OnCaptureMuted(bool is_muted) = 0; |
| 46 |
44 protected: | 47 protected: |
45 virtual ~CaptureCallback() {} | 48 virtual ~CaptureCallback() {} |
46 }; | 49 }; |
47 | 50 |
48 // Sets information about the audio stream format and the device | 51 // Sets information about the audio stream format and the device |
49 // to be used. It must be called before any of the other methods. | 52 // to be used. It must be called before any of the other methods. |
50 // The |session_id| is used by the browser to identify which input device to | 53 // The |session_id| is used by the browser to identify which input device to |
51 // be used. For clients who do not care about device permission and device | 54 // be used. For clients who do not care about device permission and device |
52 // selection, pass |session_id| using | 55 // selection, pass |session_id| using |
53 // AudioInputDeviceManager::kFakeOpenSessionId. | 56 // AudioInputDeviceManager::kFakeOpenSessionId. |
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69 virtual void SetAutomaticGainControl(bool enable) = 0; | 72 virtual void SetAutomaticGainControl(bool enable) = 0; |
70 | 73 |
71 protected: | 74 protected: |
72 friend class base::RefCountedThreadSafe<AudioCapturerSource>; | 75 friend class base::RefCountedThreadSafe<AudioCapturerSource>; |
73 virtual ~AudioCapturerSource() {} | 76 virtual ~AudioCapturerSource() {} |
74 }; | 77 }; |
75 | 78 |
76 } // namespace media | 79 } // namespace media |
77 | 80 |
78 #endif // MEDIA_BASE_AUDIO_CAPTURER_SOURCE_H_ | 81 #endif // MEDIA_BASE_AUDIO_CAPTURER_SOURCE_H_ |
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