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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_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ |
6 #define MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ | 6 #define MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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45 | 45 |
46 // AudioOutputDispatcher interface. | 46 // AudioOutputDispatcher interface. |
47 virtual bool OpenStream() OVERRIDE; | 47 virtual bool OpenStream() OVERRIDE; |
48 virtual bool StartStream(AudioOutputStream::AudioSourceCallback* callback, | 48 virtual bool StartStream(AudioOutputStream::AudioSourceCallback* callback, |
49 AudioOutputProxy* stream_proxy) OVERRIDE; | 49 AudioOutputProxy* stream_proxy) OVERRIDE; |
50 virtual void StopStream(AudioOutputProxy* stream_proxy) OVERRIDE; | 50 virtual void StopStream(AudioOutputProxy* stream_proxy) OVERRIDE; |
51 virtual void StreamVolumeSet(AudioOutputProxy* stream_proxy, | 51 virtual void StreamVolumeSet(AudioOutputProxy* stream_proxy, |
52 double volume) OVERRIDE; | 52 double volume) OVERRIDE; |
53 virtual void CloseStream(AudioOutputProxy* stream_proxy) OVERRIDE; | 53 virtual void CloseStream(AudioOutputProxy* stream_proxy) OVERRIDE; |
54 virtual void Shutdown() OVERRIDE; | 54 virtual void Shutdown() OVERRIDE; |
55 virtual void CloseStreamsForWedgeFix() OVERRIDE; | |
56 virtual void RestartStreamsForWedgeFix() OVERRIDE; | |
57 | 55 |
58 private: | 56 private: |
59 friend class base::RefCountedThreadSafe<AudioOutputResampler>; | 57 friend class base::RefCountedThreadSafe<AudioOutputResampler>; |
60 virtual ~AudioOutputResampler(); | 58 virtual ~AudioOutputResampler(); |
61 | 59 |
62 // Converts low latency based output parameters into high latency | 60 // Converts low latency based output parameters into high latency |
63 // appropriate output parameters in error situations. | 61 // appropriate output parameters in error situations. |
64 void SetupFallbackParams(); | 62 void SetupFallbackParams(); |
65 | 63 |
66 // Used to initialize and reinitialize |dispatcher_|. | 64 // Used to initialize and reinitialize |dispatcher_|. |
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83 // Whether any streams have been opened through |dispatcher_|, if so we can't | 81 // Whether any streams have been opened through |dispatcher_|, if so we can't |
84 // fallback on future OpenStream() failures. | 82 // fallback on future OpenStream() failures. |
85 bool streams_opened_; | 83 bool streams_opened_; |
86 | 84 |
87 DISALLOW_COPY_AND_ASSIGN(AudioOutputResampler); | 85 DISALLOW_COPY_AND_ASSIGN(AudioOutputResampler); |
88 }; | 86 }; |
89 | 87 |
90 } // namespace media | 88 } // namespace media |
91 | 89 |
92 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ | 90 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ |
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