Source/WebCore/Modules/webaudio/WaveShaperNode.h

/*
 * Copyright (C) 2011, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1.  Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#pragma once

#include "AudioBasicProcessorNode.h"
#include "WaveShaperProcessor.h"
#include <wtf/Forward.h>

namespace WebCore {

class WaveShaperNode final : public AudioBasicProcessorNode {
    WTF_MAKE_ISO_ALLOCATED(WaveShaperNode);
public:
    static Ref<WaveShaperNode> create(AudioContext& context)
    {
        return adoptRef(*new WaveShaperNode(context));
    }

    // setCurve() is called on the main thread.
    void setCurve(Float32Array&);
    Float32Array* curve();

    enum class OverSampleType { None, _2x, _4x };
    void setOversample(OverSampleType);
    OverSampleType oversample() const;

    double latency() const { return latencyTime(); }

private:    
    explicit WaveShaperNode(AudioContext&);    

    WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); }
};

String convertEnumerationToString(WebCore::WaveShaperNode::OverSampleType); // in JSWaveShaperNode.cpp

} // namespace WebCore

namespace WTF {
    
template<> struct LogArgument<WebCore::WaveShaperNode::OverSampleType> {
    static String toString(WebCore::WaveShaperNode::OverSampleType type) { return convertEnumerationToString(type); }
};
    
} // namespace WTF