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Side by Side Diff: media/audio/audio_output_resampler.h

Issue 655713003: Standardize usage of virtual/override/final in media/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 2 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 #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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37 // remove fallback support once it's stable. http://crbug.com/148418 37 // remove fallback support once it's stable. http://crbug.com/148418
38 class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher { 38 class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher {
39 public: 39 public:
40 AudioOutputResampler(AudioManager* audio_manager, 40 AudioOutputResampler(AudioManager* audio_manager,
41 const AudioParameters& input_params, 41 const AudioParameters& input_params,
42 const AudioParameters& output_params, 42 const AudioParameters& output_params,
43 const std::string& output_device_id, 43 const std::string& output_device_id,
44 const base::TimeDelta& close_delay); 44 const base::TimeDelta& close_delay);
45 45
46 // AudioOutputDispatcher interface. 46 // AudioOutputDispatcher interface.
47 virtual bool OpenStream() override; 47 bool OpenStream() override;
48 virtual bool StartStream(AudioOutputStream::AudioSourceCallback* callback, 48 bool StartStream(AudioOutputStream::AudioSourceCallback* callback,
49 AudioOutputProxy* stream_proxy) override; 49 AudioOutputProxy* stream_proxy) override;
50 virtual void StopStream(AudioOutputProxy* stream_proxy) override; 50 void StopStream(AudioOutputProxy* stream_proxy) override;
51 virtual void StreamVolumeSet(AudioOutputProxy* stream_proxy, 51 void StreamVolumeSet(AudioOutputProxy* stream_proxy, double volume) override;
52 double volume) override; 52 void CloseStream(AudioOutputProxy* stream_proxy) override;
53 virtual void CloseStream(AudioOutputProxy* stream_proxy) override; 53 void Shutdown() override;
54 virtual void Shutdown() override;
55 54
56 private: 55 private:
57 friend class base::RefCountedThreadSafe<AudioOutputResampler>; 56 friend class base::RefCountedThreadSafe<AudioOutputResampler>;
58 virtual ~AudioOutputResampler(); 57 ~AudioOutputResampler() override;
59 58
60 // Converts low latency based output parameters into high latency 59 // Converts low latency based output parameters into high latency
61 // appropriate output parameters in error situations. 60 // appropriate output parameters in error situations.
62 void SetupFallbackParams(); 61 void SetupFallbackParams();
63 62
64 // Used to initialize and reinitialize |dispatcher_|. 63 // Used to initialize and reinitialize |dispatcher_|.
65 void Initialize(); 64 void Initialize();
66 65
67 // Dispatcher to proxy all AudioOutputDispatcher calls too. 66 // Dispatcher to proxy all AudioOutputDispatcher calls too.
68 scoped_refptr<AudioOutputDispatcher> dispatcher_; 67 scoped_refptr<AudioOutputDispatcher> dispatcher_;
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81 // Whether any streams have been opened through |dispatcher_|, if so we can't 80 // Whether any streams have been opened through |dispatcher_|, if so we can't
82 // fallback on future OpenStream() failures. 81 // fallback on future OpenStream() failures.
83 bool streams_opened_; 82 bool streams_opened_;
84 83
85 DISALLOW_COPY_AND_ASSIGN(AudioOutputResampler); 84 DISALLOW_COPY_AND_ASSIGN(AudioOutputResampler);
86 }; 85 };
87 86
88 } // namespace media 87 } // namespace media
89 88
90 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_ 89 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_RESAMPLER_H_
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