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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/AudioDestinationNode.h

Issue 2389253002: reflow comments in modules/{webaudio,vr} (Closed)
Patch Set: . Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2010, Google Inc. All rights reserved. 2 * Copyright (C) 2010, Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
(...skipping 28 matching lines...) Expand all
39 39
40 class AudioDestinationHandler : public AudioHandler, public AudioIOCallback { 40 class AudioDestinationHandler : public AudioHandler, public AudioIOCallback {
41 public: 41 public:
42 AudioDestinationHandler(AudioNode&, float sampleRate); 42 AudioDestinationHandler(AudioNode&, float sampleRate);
43 ~AudioDestinationHandler() override; 43 ~AudioDestinationHandler() override;
44 44
45 // AudioHandler 45 // AudioHandler
46 void process(size_t) final { 46 void process(size_t) final {
47 } // we're pulled by hardware so this is never called 47 } // we're pulled by hardware so this is never called
48 48
49 // The audio hardware calls render() to get the next render quantum of audio i nto destinationBus. 49 // The audio hardware calls render() to get the next render quantum of audio
50 // It will optionally give us local/live audio input in sourceBus (if it's not 0). 50 // into destinationBus. It will optionally give us local/live audio input in
51 // sourceBus (if it's not 0).
51 void render(AudioBus* sourceBus, 52 void render(AudioBus* sourceBus,
52 AudioBus* destinationBus, 53 AudioBus* destinationBus,
53 size_t numberOfFrames) final; 54 size_t numberOfFrames) final;
54 55
55 size_t currentSampleFrame() const { 56 size_t currentSampleFrame() const {
56 return acquireLoad(&m_currentSampleFrame); 57 return acquireLoad(&m_currentSampleFrame);
57 } 58 }
58 double currentTime() const { 59 double currentTime() const {
59 return currentSampleFrame() / static_cast<double>(sampleRate()); 60 return currentSampleFrame() / static_cast<double>(sampleRate());
60 } 61 }
61 62
62 virtual unsigned long maxChannelCount() const { return 0; } 63 virtual unsigned long maxChannelCount() const { return 0; }
63 64
64 virtual void startRendering() = 0; 65 virtual void startRendering() = 0;
65 virtual void stopRendering() = 0; 66 virtual void stopRendering() = 0;
66 67
67 protected: 68 protected:
68 // LocalAudioInputProvider allows us to expose an AudioSourceProvider for loca l/live audio input. 69 // LocalAudioInputProvider allows us to expose an AudioSourceProvider for
69 // If there is local/live audio input, we call set() with the audio input data every render quantum. 70 // local/live audio input. If there is local/live audio input, we call set()
71 // with the audio input data every render quantum.
70 class LocalAudioInputProvider final : public AudioSourceProvider { 72 class LocalAudioInputProvider final : public AudioSourceProvider {
71 public: 73 public:
72 LocalAudioInputProvider() 74 LocalAudioInputProvider()
73 : m_sourceBus(AudioBus::create( 75 : m_sourceBus(AudioBus::create(
74 2, 76 2,
75 ProcessingSizeInFrames)) // FIXME: handle non-stereo local input. 77 ProcessingSizeInFrames)) // FIXME: handle non-stereo local input.
76 {} 78 {}
77 79
78 void set(AudioBus* bus) { 80 void set(AudioBus* bus) {
79 if (bus) 81 if (bus)
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109 111
110 unsigned long maxChannelCount() const; 112 unsigned long maxChannelCount() const;
111 113
112 protected: 114 protected:
113 AudioDestinationNode(BaseAudioContext&); 115 AudioDestinationNode(BaseAudioContext&);
114 }; 116 };
115 117
116 } // namespace blink 118 } // namespace blink
117 119
118 #endif // AudioDestinationNode_h 120 #endif // AudioDestinationNode_h
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