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      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 blink {
     34 
     35 class ExceptionState;
     36 
     37 class WaveShaperNode FINAL : public AudioBasicProcessorNode {
     38     DEFINE_WRAPPERTYPEINFO();
     39 public:
     40     static WaveShaperNode* create(AudioContext* context)
     41     {
     42         return adoptRefCountedGarbageCollectedWillBeNoop(new WaveShaperNode(context));
     43     }
     44 
     45     // setCurve() is called on the main thread.
     46     void setCurve(Float32Array*);
     47     Float32Array* curve();
     48 
     49     void setOversample(const String& , ExceptionState&);
     50     String oversample() const;
     51 
     52 private:
     53     explicit WaveShaperNode(AudioContext*);
     54 
     55     WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); }
     56 };
     57 
     58 } // namespace blink
     59 
     60 #endif // WaveShaperNode_h
     61