1 /* 2 * Copyright (C) 2011, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 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 ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 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 ON 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 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WaveShaperNode_h 26 #define WaveShaperNode_h 27 28 #include "modules/webaudio/AudioBasicProcessorNode.h" 29 #include "modules/webaudio/BiquadProcessor.h" 30 #include "modules/webaudio/WaveShaperProcessor.h" 31 #include "wtf/Forward.h" 32 33 namespace WebCore { 34 35 class ExceptionState; 36 37 class WaveShaperNode : public AudioBasicProcessorNode { 38 public: 39 static PassRefPtr<WaveShaperNode> create(AudioContext* context) 40 { 41 return adoptRef(new WaveShaperNode(context)); 42 } 43 44 // setCurve() is called on the main thread. 45 void setCurve(Float32Array*); 46 Float32Array* curve(); 47 48 void setOversample(const String& , ExceptionState&); 49 String oversample() const; 50 51 double latency() const { return latencyTime(); } 52 53 private: 54 explicit WaveShaperNode(AudioContext*); 55 56 WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); } 57 }; 58 59 } // namespace WebCore 60 61 #endif // WaveShaperNode_h 62
