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#ifndef __Biquad2_H
#define __Biquad2_H
#include <lv2plugin.h>
class Biquad2 : public LV2Plugin<5> {
public:
Biquad2(double rate);
void activate();
void run(uint32_t num_samples);
static constexpr const char * URI = "https://www.airwindows.com/biquad2";
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.
*/
long double biquad[15]; //note that this stereo form doesn't require L and R forms!
//This is because so much of it is coefficients etc. that are the same on both channels.
//So the stored samples are in 7-8-9-10 and 11-12-13-14, and freq/res/coefficients serve both.
double bL[11];
double bR[11];
double f[11];
double frequencychase;
double resonancechase;
double outputchase;
double wetchase;
double frequencysetting;
double resonancesetting;
double outputsetting;
double wetsetting;
double chasespeed;
uint32_t fpd;
//default stuff
float A;
float B;
float C;
float D;
float E;
};
#endif
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