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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 |
| (...skipping 11 matching lines...) Expand all Loading... |
| 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 "config.h" | 25 #include "config.h" |
| 26 #if ENABLE(WEB_AUDIO) | 26 #if ENABLE(WEB_AUDIO) |
| 27 #include "modules/webaudio/WaveShaperNode.h" | 27 #include "modules/webaudio/WaveShaperNode.h" |
| 28 | 28 |
| 29 #include "bindings/core/v8/ExceptionMessages.h" | 29 #include "bindings/core/v8/ExceptionMessages.h" |
| 30 #include "bindings/core/v8/ExceptionState.h" | 30 #include "bindings/core/v8/ExceptionState.h" |
| 31 #include "core/dom/ExceptionCode.h" | 31 #include "core/dom/ExceptionCode.h" |
| 32 #include "modules/webaudio/AbstractAudioContext.h" |
| 32 #include "modules/webaudio/AudioBasicProcessorHandler.h" | 33 #include "modules/webaudio/AudioBasicProcessorHandler.h" |
| 33 #include "modules/webaudio/AudioContext.h" | |
| 34 #include "wtf/MainThread.h" | 34 #include "wtf/MainThread.h" |
| 35 | 35 |
| 36 namespace blink { | 36 namespace blink { |
| 37 | 37 |
| 38 WaveShaperNode::WaveShaperNode(AudioContext& context) | 38 WaveShaperNode::WaveShaperNode(AbstractAudioContext& context) |
| 39 : AudioNode(context) | 39 : AudioNode(context) |
| 40 { | 40 { |
| 41 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeWaveShap
er, *this, context.sampleRate(), adoptPtr(new WaveShaperProcessor(context.sample
Rate(), 1)))); | 41 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeWaveShap
er, *this, context.sampleRate(), adoptPtr(new WaveShaperProcessor(context.sample
Rate(), 1)))); |
| 42 | 42 |
| 43 handler().initialize(); | 43 handler().initialize(); |
| 44 } | 44 } |
| 45 | 45 |
| 46 WaveShaperProcessor* WaveShaperNode::waveShaperProcessor() const | 46 WaveShaperProcessor* WaveShaperNode::waveShaperProcessor() const |
| 47 { | 47 { |
| 48 return static_cast<WaveShaperProcessor*>(static_cast<AudioBasicProcessorHand
ler&>(handler()).processor()); | 48 return static_cast<WaveShaperProcessor*>(static_cast<AudioBasicProcessorHand
ler&>(handler()).processor()); |
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| 70 return waveShaperProcessor()->curve(); | 70 return waveShaperProcessor()->curve(); |
| 71 } | 71 } |
| 72 | 72 |
| 73 void WaveShaperNode::setOversample(const String& type) | 73 void WaveShaperNode::setOversample(const String& type) |
| 74 { | 74 { |
| 75 ASSERT(isMainThread()); | 75 ASSERT(isMainThread()); |
| 76 | 76 |
| 77 // This is to synchronize with the changes made in | 77 // This is to synchronize with the changes made in |
| 78 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can | 78 // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can |
| 79 // initialize() and uninitialize(). | 79 // initialize() and uninitialize(). |
| 80 AudioContext::AutoLocker contextLocker(context()); | 80 AbstractAudioContext::AutoLocker contextLocker(context()); |
| 81 | 81 |
| 82 if (type == "none") { | 82 if (type == "none") { |
| 83 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleNone
); | 83 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSampleNone
); |
| 84 } else if (type == "2x") { | 84 } else if (type == "2x") { |
| 85 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2x); | 85 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample2x); |
| 86 } else if (type == "4x") { | 86 } else if (type == "4x") { |
| 87 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample4x); | 87 waveShaperProcessor()->setOversample(WaveShaperProcessor::OverSample4x); |
| 88 } else { | 88 } else { |
| 89 ASSERT_NOT_REACHED(); | 89 ASSERT_NOT_REACHED(); |
| 90 } | 90 } |
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| 101 return "4x"; | 101 return "4x"; |
| 102 default: | 102 default: |
| 103 ASSERT_NOT_REACHED(); | 103 ASSERT_NOT_REACHED(); |
| 104 return "none"; | 104 return "none"; |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 | 107 |
| 108 } // namespace blink | 108 } // namespace blink |
| 109 | 109 |
| 110 #endif // ENABLE(WEB_AUDIO) | 110 #endif // ENABLE(WEB_AUDIO) |
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