Equalizer.h

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#pragma once
#include "HephAudioShared.h"
#include "FrequencyDomainEffect.h"
#include <vector>
 
namespace HephAudio
{
    class HEPH_API Equalizer : public FrequencyDomainEffect
    {
    public:
        struct FrequencyRange
        {
            double f1;
 
            double f2;
 
            double volume;
 
            FrequencyRange(double f1, double f2, double volume);
        };
 
    protected:
        std::vector<Equalizer::FrequencyRange> frequencyRanges;
 
    public:
        Equalizer();
 
        Equalizer(size_t hopSize, const Window& wnd);
 
        Equalizer(size_t hopSize, const Window& wnd, const std::initializer_list<Equalizer::FrequencyRange>& frequencyRanges);
        
        Equalizer(size_t hopSize, const Window& wnd, const std::vector<Equalizer::FrequencyRange>& frequencyRanges);
 
        virtual ~Equalizer() = default;
 
        virtual std::string Name() const override;
 
        virtual const std::vector<Equalizer::FrequencyRange>& GetFrequencyRanges() const;
 
        virtual void AddFrequencyRange(double f1, double f2, double volume);
        
        virtual void AddFrequencyRange(const Equalizer::FrequencyRange& range);
 
        virtual void ModifyFrequencyRange(size_t index, const Equalizer::FrequencyRange& range);
 
        virtual void RemoveFrequencyRange(size_t index);
 
    protected:
        virtual void ProcessST(const AudioBuffer& inputBuffer, AudioBuffer& outputBuffer, size_t startIndex, size_t frameCount) override;
    };
}