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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 |
| (...skipping 22 matching lines...) Expand all Loading... |
| 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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