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1 /* | 1 /* |
2 * Copyright (C) 2011, Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 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 |
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52 return new WaveShaperNode(context); | 52 return new WaveShaperNode(context); |
53 } | 53 } |
54 | 54 |
55 WaveShaperProcessor* WaveShaperNode::getWaveShaperProcessor() const | 55 WaveShaperProcessor* WaveShaperNode::getWaveShaperProcessor() const |
56 { | 56 { |
57 return static_cast<WaveShaperProcessor*>(static_cast<AudioBasicProcessorHand
ler&>(handler()).processor()); | 57 return static_cast<WaveShaperProcessor*>(static_cast<AudioBasicProcessorHand
ler&>(handler()).processor()); |
58 } | 58 } |
59 | 59 |
60 void WaveShaperNode::setCurve(DOMFloat32Array* curve, ExceptionState& exceptionS
tate) | 60 void WaveShaperNode::setCurve(DOMFloat32Array* curve, ExceptionState& exceptionS
tate) |
61 { | 61 { |
62 ASSERT(isMainThread()); | 62 DCHECK(isMainThread()); |
63 | 63 |
64 if (curve && curve->length() < 2) { | 64 if (curve && curve->length() < 2) { |
65 exceptionState.throwDOMException( | 65 exceptionState.throwDOMException( |
66 InvalidAccessError, | 66 InvalidAccessError, |
67 ExceptionMessages::indexExceedsMinimumBound<unsigned>( | 67 ExceptionMessages::indexExceedsMinimumBound<unsigned>( |
68 "curve length", | 68 "curve length", |
69 curve->length(), | 69 curve->length(), |
70 2)); | 70 2)); |
71 return; | 71 return; |
72 } | 72 } |
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83 unsigned size = curve->size(); | 83 unsigned size = curve->size(); |
84 RefPtr<WTF::Float32Array> newCurve = WTF::Float32Array::create(size); | 84 RefPtr<WTF::Float32Array> newCurve = WTF::Float32Array::create(size); |
85 | 85 |
86 memcpy(newCurve->data(), curve->data(), sizeof(float) * size); | 86 memcpy(newCurve->data(), curve->data(), sizeof(float) * size); |
87 | 87 |
88 return DOMFloat32Array::create(newCurve.release()); | 88 return DOMFloat32Array::create(newCurve.release()); |
89 } | 89 } |
90 | 90 |
91 void WaveShaperNode::setOversample(const String& type) | 91 void WaveShaperNode::setOversample(const String& type) |
92 { | 92 { |
93 ASSERT(isMainThread()); | 93 DCHECK(isMainThread()); |
94 | 94 |
95 // This is to synchronize with the changes made in | 95 // This is to synchronize with the changes made in |
96 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can | 96 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can |
97 // initialize() and uninitialize(). | 97 // initialize() and uninitialize(). |
98 BaseAudioContext::AutoLocker contextLocker(context()); | 98 BaseAudioContext::AutoLocker contextLocker(context()); |
99 | 99 |
100 if (type == "none") { | 100 if (type == "none") { |
101 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleN
one); | 101 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleN
one); |
102 } else if (type == "2x") { | 102 } else if (type == "2x") { |
103 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2
x); | 103 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2
x); |
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118 case WaveShaperProcessor::OverSample4x: | 118 case WaveShaperProcessor::OverSample4x: |
119 return "4x"; | 119 return "4x"; |
120 default: | 120 default: |
121 ASSERT_NOT_REACHED(); | 121 ASSERT_NOT_REACHED(); |
122 return "none"; | 122 return "none"; |
123 } | 123 } |
124 } | 124 } |
125 | 125 |
126 } // namespace blink | 126 } // namespace blink |
127 | 127 |
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