flimFilter.h

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#pragma once
#ifndef FLIMFILTER_H
#define FLIMFILTER_H

#include "snd_err.h"

class SoundCall;


enum class FilterType
{
    HiPass,
    LoPass,
    BandPass
};


class flimFilter
{
private:

    SoundCall* snd;


public:
    flimFilter() = default;
    flimFilter(SoundCall*);
    flimFilter& operator=(const flimFilter&) = default;
    flimFilter(const flimFilter&) = default;
    ~flimFilter() = default;


    snd_err setSound(SoundCall* sound) { this->snd = sound;  return snd_err::OK; };


    snd_err ActivateFilter(FilterType type);


    snd_err DeactivateFilter(FilterType type);


    snd_err SetCutoff(float cutoff);


    snd_err GetCutoff(float& cutoff);


private:
    struct LPF
    {
        float LPF_cutoff;
        float LPF_gain;
    };

    struct HPF
    {
        float HPF_cutoff;
        float HPF_gain;
    };

    struct BPF
    {
        float BP_q;
        float BP_center;
    };


};

#endif