LinearFadeOut.h

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#pragma once
#include "HephAudioShared.h"
#include "AudioEffect.h"
 
namespace HephAudio
{
    class LinearFadeOut : public AudioEffect
    {
    public:
        using AudioEffect::Process;
 
    protected:
        double duration;
 
        size_t startIndex;
 
        size_t currentIndex;
 
    public:
        LinearFadeOut();
 
        explicit LinearFadeOut(double duration);
 
        LinearFadeOut(double duration, size_t startIndex);
 
        virtual ~LinearFadeOut() = default;
 
        virtual std::string Name() const override;
        virtual void Process(AudioBuffer& buffer, size_t startIndex, size_t frameCount) override;
 
        virtual double GetDuration() const;
 
        virtual void SetDuration(double duration);
 
        virtual size_t GetStartIndex() const;
 
        virtual void SetStartIndex(size_t startIndex);
 
    protected:
        virtual void ProcessST(const AudioBuffer& inputBuffer, AudioBuffer& outputBuffer, size_t startIndex, size_t frameCount) override;
    };
}