Source/WebCore/Modules/webaudio/WebKitDynamicsCompressorNode.h

/*
 * Copyright (C) 2011, Google Inc. All rights reserved.
 * Copyright (C) 2020, Apple 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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 *
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#pragma once

#include "DynamicsCompressorNode.h"

namespace WebCore {

class WebKitDynamicsCompressorNode final : public DynamicsCompressorNode {
    WTF_MAKE_ISO_ALLOCATED(WebKitDynamicsCompressorNode);
public:
    static Ref<WebKitDynamicsCompressorNode> create(WebKitAudioContext& context)
    {
        return adoptRef(*new WebKitDynamicsCompressorNode(context));
    }

    AudioParam& legacyReduction() { return m_legacyReduction.get(); }

private:
    explicit WebKitDynamicsCompressorNode(WebKitAudioContext& context)
        : DynamicsCompressorNode(context)
        , m_legacyReduction(AudioParam::create(context, "reduction"_s, 0, -20, 0))
    {
        initializeDefaultNodeOptions(2, ChannelCountMode::ClampedMax, ChannelInterpretation::Speakers);
    }

    void setReduction(float reduction) final
    {
        DynamicsCompressorNode::setReduction(reduction);
        m_legacyReduction->setValue(reduction);
    }

    Ref<AudioParam> m_legacyReduction;
};

} // namespace WebCore