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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 |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 #if ENABLE(WEB_AUDIO) | 27 #if ENABLE(WEB_AUDIO) |
| 28 | 28 |
| 29 #include "modules/webaudio/ChannelSplitterNode.h" | 29 #include "modules/webaudio/ChannelSplitterNode.h" |
| 30 | 30 |
| 31 #include "modules/webaudio/AudioContext.h" | 31 #include "modules/webaudio/AudioContext.h" |
| 32 #include "modules/webaudio/AudioNodeInput.h" | 32 #include "modules/webaudio/AudioNodeInput.h" |
| 33 #include "modules/webaudio/AudioNodeOutput.h" | 33 #include "modules/webaudio/AudioNodeOutput.h" |
| 34 | 34 |
| 35 namespace WebCore { | 35 namespace WebCore { |
| 36 | 36 |
| 37 PassRefPtr<ChannelSplitterNode> ChannelSplitterNode::create(AudioContext* contex
t, float sampleRate, unsigned numberOfOutputs) | 37 PassRefPtrWillBeRawPtr<ChannelSplitterNode> ChannelSplitterNode::create(AudioCon
text* context, float sampleRate, unsigned numberOfOutputs) |
| 38 { | 38 { |
| 39 if (!numberOfOutputs || numberOfOutputs > AudioContext::maxNumberOfChannels(
)) | 39 if (!numberOfOutputs || numberOfOutputs > AudioContext::maxNumberOfChannels(
)) |
| 40 return nullptr; | 40 return nullptr; |
| 41 | 41 |
| 42 return adoptRef(new ChannelSplitterNode(context, sampleRate, numberOfOutputs
)); | 42 return adoptRefWillBeNoop(new ChannelSplitterNode(context, sampleRate, numbe
rOfOutputs)); |
| 43 } | 43 } |
| 44 | 44 |
| 45 ChannelSplitterNode::ChannelSplitterNode(AudioContext* context, float sampleRate
, unsigned numberOfOutputs) | 45 ChannelSplitterNode::ChannelSplitterNode(AudioContext* context, float sampleRate
, unsigned numberOfOutputs) |
| 46 : AudioNode(context, sampleRate) | 46 : AudioNode(context, sampleRate) |
| 47 { | 47 { |
| 48 ScriptWrappable::init(this); | 48 ScriptWrappable::init(this); |
| 49 addInput(adoptPtr(new AudioNodeInput(this))); | 49 addInput(adoptPtr(new AudioNodeInput(this))); |
| 50 | 50 |
| 51 // Create a fixed number of outputs (able to handle the maximum number of ch
annels fed to an input). | 51 // Create a fixed number of outputs (able to handle the maximum number of ch
annels fed to an input). |
| 52 for (unsigned i = 0; i < numberOfOutputs; ++i) | 52 for (unsigned i = 0; i < numberOfOutputs; ++i) |
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| 75 } else if (output(i)->renderingFanOutCount() > 0) { | 75 } else if (output(i)->renderingFanOutCount() > 0) { |
| 76 // Only bother zeroing out the destination if it's connected to anyt
hing | 76 // Only bother zeroing out the destination if it's connected to anyt
hing |
| 77 destination->zero(); | 77 destination->zero(); |
| 78 } | 78 } |
| 79 } | 79 } |
| 80 } | 80 } |
| 81 | 81 |
| 82 } // namespace WebCore | 82 } // namespace WebCore |
| 83 | 83 |
| 84 #endif // ENABLE(WEB_AUDIO) | 84 #endif // ENABLE(WEB_AUDIO) |
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