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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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 */ | 23 */ |
24 | 24 |
25 #include "modules/webaudio/BiquadFilterNode.h" | 25 #include "modules/webaudio/BiquadFilterNode.h" |
26 | 26 |
27 #include "modules/webaudio/AudioBasicProcessorHandler.h" | 27 #include "modules/webaudio/AudioBasicProcessorHandler.h" |
28 #include "modules/webaudio/BiquadFilterOptions.h" | |
28 #include "platform/Histogram.h" | 29 #include "platform/Histogram.h" |
29 #include "wtf/PtrUtil.h" | 30 #include "wtf/PtrUtil.h" |
30 | 31 |
31 namespace blink { | 32 namespace blink { |
32 | 33 |
33 BiquadFilterNode::BiquadFilterNode(BaseAudioContext& context) | 34 BiquadFilterNode::BiquadFilterNode(BaseAudioContext& context) |
34 : AudioNode(context) | 35 : AudioNode(context) |
35 , m_frequency(AudioParam::create(context, ParamTypeBiquadFilterFrequency, 35 0.0, 0, context.sampleRate() / 2)) | 36 , m_frequency(AudioParam::create(context, ParamTypeBiquadFilterFrequency, 35 0.0, 0, context.sampleRate() / 2)) |
36 , m_q(AudioParam::create(context, ParamTypeBiquadFilterQ, 1.0)) | 37 , m_q(AudioParam::create(context, ParamTypeBiquadFilterQ, 1.0)) |
37 , m_gain(AudioParam::create(context, ParamTypeBiquadFilterGain, 0.0)) | 38 , m_gain(AudioParam::create(context, ParamTypeBiquadFilterGain, 0.0)) |
(...skipping 21 matching lines...) Expand all Loading... | |
59 DCHECK(isMainThread()); | 60 DCHECK(isMainThread()); |
60 | 61 |
61 if (context.isContextClosed()) { | 62 if (context.isContextClosed()) { |
62 context.throwExceptionForClosedState(exceptionState); | 63 context.throwExceptionForClosedState(exceptionState); |
63 return nullptr; | 64 return nullptr; |
64 } | 65 } |
65 | 66 |
66 return new BiquadFilterNode(context); | 67 return new BiquadFilterNode(context); |
67 } | 68 } |
68 | 69 |
70 BiquadFilterNode* BiquadFilterNode::create(BaseAudioContext* context, const Biqu adFilterOptions& options, ExceptionState& exceptionState) | |
71 { | |
72 BiquadFilterNode* node = create(*context, exceptionState); | |
73 | |
74 if (!node) | |
75 return node; | |
hongchan
2016/09/12 18:56:32
return nullptr;
| |
76 | |
77 node->handleChannelOptions(options, exceptionState); | |
78 | |
79 if (options.hasType()) | |
80 node->setType(options.type()); | |
81 if (options.hasQ()) | |
82 node->q()->setValue(options.Q()); | |
83 if (options.hasDetune()) | |
84 node->detune()->setValue(options.detune()); | |
85 if (options.hasFrequency()) | |
86 node->frequency()->setValue(options.frequency()); | |
87 if (options.hasGain()) | |
88 node->gain()->setValue(options.gain()); | |
89 | |
90 return node; | |
91 } | |
92 | |
69 DEFINE_TRACE(BiquadFilterNode) | 93 DEFINE_TRACE(BiquadFilterNode) |
70 { | 94 { |
71 visitor->trace(m_frequency); | 95 visitor->trace(m_frequency); |
72 visitor->trace(m_q); | 96 visitor->trace(m_q); |
73 visitor->trace(m_gain); | 97 visitor->trace(m_gain); |
74 visitor->trace(m_detune); | 98 visitor->trace(m_detune); |
75 AudioNode::trace(visitor); | 99 AudioNode::trace(visitor); |
76 } | 100 } |
77 | 101 |
78 BiquadProcessor* BiquadFilterNode::getBiquadProcessor() const | 102 BiquadProcessor* BiquadFilterNode::getBiquadProcessor() const |
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
153 DCHECK(magResponse); | 177 DCHECK(magResponse); |
154 DCHECK(phaseResponse); | 178 DCHECK(phaseResponse); |
155 | 179 |
156 int n = std::min(frequencyHz->length(), std::min(magResponse->length(), phas eResponse->length())); | 180 int n = std::min(frequencyHz->length(), std::min(magResponse->length(), phas eResponse->length())); |
157 if (n) | 181 if (n) |
158 getBiquadProcessor()->getFrequencyResponse(n, frequencyHz->data(), magRe sponse->data(), phaseResponse->data()); | 182 getBiquadProcessor()->getFrequencyResponse(n, frequencyHz->data(), magRe sponse->data(), phaseResponse->data()); |
159 } | 183 } |
160 | 184 |
161 } // namespace blink | 185 } // namespace blink |
162 | 186 |
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