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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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29 #ifndef ChannelMergerNode_h | 29 #ifndef ChannelMergerNode_h |
30 #define ChannelMergerNode_h | 30 #define ChannelMergerNode_h |
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 : public AudioNode { | 39 class ChannelMergerNode FINAL : public AudioNode { |
40 public: | 40 public: |
41 static PassRefPtr<ChannelMergerNode> create(AudioContext*, float sampleRate,
unsigned numberOfInputs); | 41 static PassRefPtr<ChannelMergerNode> create(AudioContext*, float sampleRate,
unsigned numberOfInputs); |
42 | 42 |
43 // AudioNode | 43 // AudioNode |
44 virtual void process(size_t framesToProcess); | 44 virtual void process(size_t framesToProcess) OVERRIDE; |
45 virtual void reset(); | 45 virtual void reset() OVERRIDE; |
46 | 46 |
47 // Called in the audio thread (pre-rendering task) when the number of channe
ls for an input may have changed. | 47 // Called in the audio thread (pre-rendering task) when the number of channe
ls for an input may have changed. |
48 virtual void checkNumberOfChannelsForInput(AudioNodeInput*); | 48 virtual void checkNumberOfChannelsForInput(AudioNodeInput*) OVERRIDE; |
49 | 49 |
50 private: | 50 private: |
51 unsigned m_desiredNumberOfOutputChannels; | 51 unsigned m_desiredNumberOfOutputChannels; |
52 | 52 |
53 virtual double tailTime() const OVERRIDE { return 0; } | 53 virtual double tailTime() const OVERRIDE { return 0; } |
54 virtual double latencyTime() const OVERRIDE { return 0; } | 54 virtual double latencyTime() const OVERRIDE { return 0; } |
55 | 55 |
56 ChannelMergerNode(AudioContext*, float sampleRate, unsigned numberOfInputs); | 56 ChannelMergerNode(AudioContext*, float sampleRate, unsigned numberOfInputs); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace WebCore | 59 } // namespace WebCore |
60 | 60 |
61 #endif // ChannelMergerNode_h | 61 #endif // ChannelMergerNode_h |
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