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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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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31 | 31 |
32 #include "modules/webaudio/AudioNode.h" | 32 #include "modules/webaudio/AudioNode.h" |
33 #include "wtf/PassRefPtr.h" | 33 #include "wtf/PassRefPtr.h" |
34 | 34 |
35 namespace WebCore { | 35 namespace WebCore { |
36 | 36 |
37 class AudioContext; | 37 class AudioContext; |
38 | 38 |
39 class ChannelMergerNode FINAL : public AudioNode { | 39 class ChannelMergerNode FINAL : public AudioNode { |
40 public: | 40 public: |
41 static PassRefPtr<ChannelMergerNode> create(AudioContext*, float sampleRate,
unsigned numberOfInputs); | 41 static PassRefPtrWillBeRawPtr<ChannelMergerNode> create(AudioContext*, float
sampleRate, unsigned numberOfInputs); |
42 | 42 |
43 // AudioNode | 43 // AudioNode |
44 virtual void process(size_t framesToProcess) OVERRIDE; | 44 virtual void process(size_t framesToProcess) OVERRIDE; |
45 | 45 |
46 // Called in the audio thread (pre-rendering task) when the number of channe
ls for an input may have changed. | 46 // Called in the audio thread (pre-rendering task) when the number of channe
ls for an input may have changed. |
47 virtual void checkNumberOfChannelsForInput(AudioNodeInput*) OVERRIDE; | 47 virtual void checkNumberOfChannelsForInput(AudioNodeInput*) OVERRIDE; |
48 | 48 |
49 private: | 49 private: |
50 unsigned m_desiredNumberOfOutputChannels; | 50 unsigned m_desiredNumberOfOutputChannels; |
51 | 51 |
52 virtual double tailTime() const OVERRIDE { return 0; } | 52 virtual double tailTime() const OVERRIDE { return 0; } |
53 virtual double latencyTime() const OVERRIDE { return 0; } | 53 virtual double latencyTime() const OVERRIDE { return 0; } |
54 | 54 |
55 ChannelMergerNode(AudioContext*, float sampleRate, unsigned numberOfInputs); | 55 ChannelMergerNode(AudioContext*, float sampleRate, unsigned numberOfInputs); |
56 }; | 56 }; |
57 | 57 |
58 } // namespace WebCore | 58 } // namespace WebCore |
59 | 59 |
60 #endif // ChannelMergerNode_h | 60 #endif // ChannelMergerNode_h |
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