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1 /* | 1 /* |
2 * Copyright (C) 2012, Intel Corporation. All rights reserved. | 2 * Copyright (C) 2012, Intel Corporation. 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 |
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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 AudioBasicInspectorNode::AudioBasicInspectorNode(AudioContext* context, float sa
mpleRate, unsigned outputChannelCount) | 37 AudioBasicInspectorNode::AudioBasicInspectorNode(AudioContext* context, float sa
mpleRate, unsigned outputChannelCount) |
38 : AudioNode(context, sampleRate) | 38 : AudioNode(context, sampleRate) |
39 , m_needAutomaticPull(false) | 39 , m_needAutomaticPull(false) |
40 { | 40 { |
41 addInput(adoptPtr(new AudioNodeInput(this))); | 41 addInput(adoptPtrWillBeNoop(new AudioNodeInput(this))); |
42 addOutput(adoptPtr(new AudioNodeOutput(this, outputChannelCount))); | 42 addOutput(adoptPtr(new AudioNodeOutput(this, outputChannelCount))); |
43 } | 43 } |
44 | 44 |
45 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, | 45 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, |
46 // where the input is simply passed through unprocessed to the output. | 46 // where the input is simply passed through unprocessed to the output. |
47 // Note: this only applies if the input and output channel counts match. | 47 // Note: this only applies if the input and output channel counts match. |
48 void AudioBasicInspectorNode::pullInputs(size_t framesToProcess) | 48 void AudioBasicInspectorNode::pullInputs(size_t framesToProcess) |
49 { | 49 { |
50 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... | 50 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... |
51 input(0)->pull(output(0)->bus(), framesToProcess); | 51 input(0)->pull(output(0)->bus(), framesToProcess); |
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113 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. | 113 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. |
114 context()->removeAutomaticPullNode(this); | 114 context()->removeAutomaticPullNode(this); |
115 m_needAutomaticPull = false; | 115 m_needAutomaticPull = false; |
116 } | 116 } |
117 } | 117 } |
118 } | 118 } |
119 | 119 |
120 } // namespace WebCore | 120 } // namespace WebCore |
121 | 121 |
122 #endif // ENABLE(WEB_AUDIO) | 122 #endif // ENABLE(WEB_AUDIO) |
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