#ifndef __Lowpass2_H
#define __Lowpass2_H

#include <lv2plugin.h>

class Lowpass2 : public LV2Plugin<4> {
public:
    Lowpass2(double rate);

    void activate();
    void run(uint32_t num_samples);

    static constexpr const char * URI = "https://www.airwindows.com/lowpass2";

private:
    /*
     * These are the original DSP functions from the VST plugin.
     * They need to be called from the LV2 plugins `run` function.
     */
    void processReplacing(float **in, float **out, VstInt32 samples);
    void processDoubleReplacing(double **in, double **out, VstInt32 samples);

    /*
     * Members needed by the processing functions.
     */
        
	uint32_t fpd;
	//default stuff
	
	double iirSampleAL;
	double iirSampleBL;
	double iirSampleCL;
	double iirSampleDL;
	double iirSampleEL;
	double iirSampleFL;
	double iirSampleGL;
	double iirSampleHL;
	
	double iirSampleAR;
	double iirSampleBR;
	double iirSampleCR;
	double iirSampleDR;
	double iirSampleER;
	double iirSampleFR;
	double iirSampleGR;
	double iirSampleHR;
	
	bool fpFlip;

    float A;
    float B;
    float C;
    float D;
};

#endif