| OLD | NEW |
| 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 "bindings/core/v8/ExceptionMessages.h" | 25 #include "bindings/core/v8/ExceptionMessages.h" |
| 26 #include "bindings/core/v8/ExceptionState.h" | 26 #include "bindings/core/v8/ExceptionState.h" |
| 27 #include "core/dom/ExceptionCode.h" | 27 #include "core/dom/ExceptionCode.h" |
| 28 #include "modules/webaudio/AbstractAudioContext.h" | |
| 29 #include "modules/webaudio/AudioBasicProcessorHandler.h" | 28 #include "modules/webaudio/AudioBasicProcessorHandler.h" |
| 29 #include "modules/webaudio/BaseAudioContext.h" |
| 30 #include "modules/webaudio/WaveShaperNode.h" | 30 #include "modules/webaudio/WaveShaperNode.h" |
| 31 #include "wtf/PtrUtil.h" | 31 #include "wtf/PtrUtil.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 WaveShaperNode::WaveShaperNode(AbstractAudioContext& context) | 35 WaveShaperNode::WaveShaperNode(BaseAudioContext& context) |
| 36 : AudioNode(context) | 36 : AudioNode(context) |
| 37 { | 37 { |
| 38 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeWaveShap
er, *this, context.sampleRate(), wrapUnique(new WaveShaperProcessor(context.samp
leRate(), 1)))); | 38 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeWaveShap
er, *this, context.sampleRate(), wrapUnique(new WaveShaperProcessor(context.samp
leRate(), 1)))); |
| 39 | 39 |
| 40 handler().initialize(); | 40 handler().initialize(); |
| 41 } | 41 } |
| 42 | 42 |
| 43 WaveShaperNode* WaveShaperNode::create(AbstractAudioContext& context, ExceptionS
tate& exceptionState) | 43 WaveShaperNode* WaveShaperNode::create(BaseAudioContext& context, ExceptionState
& exceptionState) |
| 44 { | 44 { |
| 45 DCHECK(isMainThread()); | 45 DCHECK(isMainThread()); |
| 46 | 46 |
| 47 if (context.isContextClosed()) { | 47 if (context.isContextClosed()) { |
| 48 context.throwExceptionForClosedState(exceptionState); | 48 context.throwExceptionForClosedState(exceptionState); |
| 49 return nullptr; | 49 return nullptr; |
| 50 } | 50 } |
| 51 | 51 |
| 52 return new WaveShaperNode(context); | 52 return new WaveShaperNode(context); |
| 53 } | 53 } |
| (...skipping 25 matching lines...) Expand all Loading... |
| 79 return getWaveShaperProcessor()->curve(); | 79 return getWaveShaperProcessor()->curve(); |
| 80 } | 80 } |
| 81 | 81 |
| 82 void WaveShaperNode::setOversample(const String& type) | 82 void WaveShaperNode::setOversample(const String& type) |
| 83 { | 83 { |
| 84 ASSERT(isMainThread()); | 84 ASSERT(isMainThread()); |
| 85 | 85 |
| 86 // This is to synchronize with the changes made in | 86 // This is to synchronize with the changes made in |
| 87 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can | 87 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can |
| 88 // initialize() and uninitialize(). | 88 // initialize() and uninitialize(). |
| 89 AbstractAudioContext::AutoLocker contextLocker(context()); | 89 BaseAudioContext::AutoLocker contextLocker(context()); |
| 90 | 90 |
| 91 if (type == "none") { | 91 if (type == "none") { |
| 92 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleN
one); | 92 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleN
one); |
| 93 } else if (type == "2x") { | 93 } else if (type == "2x") { |
| 94 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2
x); | 94 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2
x); |
| 95 } else if (type == "4x") { | 95 } else if (type == "4x") { |
| 96 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample4
x); | 96 getWaveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample4
x); |
| 97 } else { | 97 } else { |
| 98 ASSERT_NOT_REACHED(); | 98 ASSERT_NOT_REACHED(); |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 String WaveShaperNode::oversample() const | 102 String WaveShaperNode::oversample() const |
| 103 { | 103 { |
| 104 switch (const_cast<WaveShaperNode*>(this)->getWaveShaperProcessor()->oversam
ple()) { | 104 switch (const_cast<WaveShaperNode*>(this)->getWaveShaperProcessor()->oversam
ple()) { |
| 105 case WaveShaperProcessor::OverSampleNone: | 105 case WaveShaperProcessor::OverSampleNone: |
| 106 return "none"; | 106 return "none"; |
| 107 case WaveShaperProcessor::OverSample2x: | 107 case WaveShaperProcessor::OverSample2x: |
| 108 return "2x"; | 108 return "2x"; |
| 109 case WaveShaperProcessor::OverSample4x: | 109 case WaveShaperProcessor::OverSample4x: |
| 110 return "4x"; | 110 return "4x"; |
| 111 default: | 111 default: |
| 112 ASSERT_NOT_REACHED(); | 112 ASSERT_NOT_REACHED(); |
| 113 return "none"; | 113 return "none"; |
| 114 } | 114 } |
| 115 } | 115 } |
| 116 | 116 |
| 117 } // namespace blink | 117 } // namespace blink |
| 118 | 118 |
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