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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 |
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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 | 49 // The audio hardware calls render() to get the next render quantum of audio |
50 // into destinationBus. It will optionally give us local/live audio input in | 50 // into destinationBus. It will optionally give us local/live audio input in |
51 // sourceBus (if it's not 0). | 51 // sourceBus (if it's not 0). |
52 void render(AudioBus* sourceBus, | 52 void render(AudioBus* sourceBus, |
53 AudioBus* destinationBus, | 53 AudioBus* destinationBus, |
54 size_t numberOfFrames) final; | 54 size_t numberOfFrames, |
| 55 const AudioIOPosition& outputPosition) final; |
55 | 56 |
56 size_t currentSampleFrame() const { | 57 size_t currentSampleFrame() const { |
57 return acquireLoad(&m_currentSampleFrame); | 58 return acquireLoad(&m_currentSampleFrame); |
58 } | 59 } |
59 double currentTime() const { | 60 double currentTime() const { |
60 return currentSampleFrame() / static_cast<double>(sampleRate()); | 61 return currentSampleFrame() / static_cast<double>(sampleRate()); |
61 } | 62 } |
62 | 63 |
63 virtual unsigned long maxChannelCount() const { return 0; } | 64 virtual unsigned long maxChannelCount() const { return 0; } |
64 | 65 |
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112 | 113 |
113 unsigned long maxChannelCount() const; | 114 unsigned long maxChannelCount() const; |
114 | 115 |
115 protected: | 116 protected: |
116 AudioDestinationNode(BaseAudioContext&); | 117 AudioDestinationNode(BaseAudioContext&); |
117 }; | 118 }; |
118 | 119 |
119 } // namespace blink | 120 } // namespace blink |
120 | 121 |
121 #endif // AudioDestinationNode_h | 122 #endif // AudioDestinationNode_h |
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