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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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33 #include "modules/webaudio/ChannelMergerNode.h" | 33 #include "modules/webaudio/ChannelMergerNode.h" |
34 | 34 |
35 #include "modules/webaudio/AudioContext.h" | 35 #include "modules/webaudio/AudioContext.h" |
36 #include "modules/webaudio/AudioNodeInput.h" | 36 #include "modules/webaudio/AudioNodeInput.h" |
37 #include "modules/webaudio/AudioNodeOutput.h" | 37 #include "modules/webaudio/AudioNodeOutput.h" |
38 | 38 |
39 const unsigned DefaultNumberOfOutputChannels = 1; | 39 const unsigned DefaultNumberOfOutputChannels = 1; |
40 | 40 |
41 namespace WebCore { | 41 namespace WebCore { |
42 | 42 |
43 PassRefPtr<ChannelMergerNode> ChannelMergerNode::create(AudioContext* context, f
loat sampleRate, unsigned numberOfInputs) | 43 PassRefPtrWillBeRawPtr<ChannelMergerNode> ChannelMergerNode::create(AudioContext
* context, float sampleRate, unsigned numberOfInputs) |
44 { | 44 { |
45 if (!numberOfInputs || numberOfInputs > AudioContext::maxNumberOfChannels()) | 45 if (!numberOfInputs || numberOfInputs > AudioContext::maxNumberOfChannels()) |
46 return nullptr; | 46 return nullptr; |
47 | 47 |
48 return adoptRef(new ChannelMergerNode(context, sampleRate, numberOfInputs)); | 48 return adoptRefWillBeNoop(new ChannelMergerNode(context, sampleRate, numberO
fInputs)); |
49 } | 49 } |
50 | 50 |
51 ChannelMergerNode::ChannelMergerNode(AudioContext* context, float sampleRate, un
signed numberOfInputs) | 51 ChannelMergerNode::ChannelMergerNode(AudioContext* context, float sampleRate, un
signed numberOfInputs) |
52 : AudioNode(context, sampleRate) | 52 : AudioNode(context, sampleRate) |
53 , m_desiredNumberOfOutputChannels(DefaultNumberOfOutputChannels) | 53 , m_desiredNumberOfOutputChannels(DefaultNumberOfOutputChannels) |
54 { | 54 { |
55 ScriptWrappable::init(this); | 55 ScriptWrappable::init(this); |
56 // Create the requested number of inputs. | 56 // Create the requested number of inputs. |
57 for (unsigned i = 0; i < numberOfInputs; ++i) | 57 for (unsigned i = 0; i < numberOfInputs; ++i) |
58 addInput(adoptPtr(new AudioNodeInput(this))); | 58 addInput(adoptPtr(new AudioNodeInput(this))); |
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117 // channels because of tryLocks() in the context's updating system. So recor
d the new number of | 117 // channels because of tryLocks() in the context's updating system. So recor
d the new number of |
118 // output channels here. | 118 // output channels here. |
119 m_desiredNumberOfOutputChannels = numberOfOutputChannels; | 119 m_desiredNumberOfOutputChannels = numberOfOutputChannels; |
120 | 120 |
121 AudioNode::checkNumberOfChannelsForInput(input); | 121 AudioNode::checkNumberOfChannelsForInput(input); |
122 } | 122 } |
123 | 123 |
124 } // namespace WebCore | 124 } // namespace WebCore |
125 | 125 |
126 #endif // ENABLE(WEB_AUDIO) | 126 #endif // ENABLE(WEB_AUDIO) |
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