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/* ========================================
* ElectroHat - ElectroHat.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __ElectroHat_H
#include "ElectroHat.h"
#endif
void ElectroHat::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
bool highSample = false;
if (getSampleRate() > 64000) highSample = true;
//we will go to another dither for 88 and 96K
double drySampleL;
double drySampleR;
double tempSampleL;
double tempSampleR;
long double inputSampleL;
long double inputSampleR;
int deSyn = (VstInt32)( A * 5.999 )+1;
double increment = B;
double brighten = C;
double outputlevel = D;
double wet = E;
double dry = 1.0-wet;
if (deSyn == 4) {deSyn = 1; increment = 0.411; brighten = 0.87;}
//606 preset
if (deSyn == 5) {deSyn = 2; increment = 0.111; brighten = 1.0;}
//808 preset
if (deSyn == 6) {deSyn = 2; increment = 0.299; brighten = 0.359;}
//909 preset
int tok = deSyn + 1;
increment *= 0.98;
increment += 0.01;
increment += (double)tok;
double fosA = increment;
double fosB = fosA * increment;
double fosC = fosB * increment;
double fosD = fosC * increment;
double fosE = fosD * increment;
double fosF = fosE * increment;
int posA = fosA;
int posB = fosB;
int posC = fosC;
int posD = fosD;
int posE = fosE;
int posF = fosF;
int posG = posF*posE*posD*posC*posB; //factorial
while (--sampleFrames >= 0)
{
inputSampleL = *in1;
inputSampleR = *in2;
drySampleL = inputSampleL;
drySampleR = inputSampleR;
inputSampleL = fabs(inputSampleL)*outputlevel;
inputSampleR = fabs(inputSampleR)*outputlevel;
if (flip) { //will always be true unless we have high sample rate
tik++;
tik = tik % posG;
tok = tik * tik; tok = tok % posF;
tok *= tok; tok = tok % posE;
tok *= tok; tok = tok % posD;
tok *= tok; tok = tok % posC;
tok *= tok; tok = tok % posB;
tok *= tok; tok = tok % posA;
inputSampleL = tok*inputSampleL;
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleL = -tok*inputSampleL;}
if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleL = -tok*inputSampleL;}
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleL = -tok*inputSampleL;}
inputSampleR = tok*inputSampleR;
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleR = -tok*inputSampleR;}
if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleR = -tok*inputSampleR;}
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleR = -tok*inputSampleR;}
lok = tok;
tempSampleL = inputSampleL;
inputSampleL = inputSampleL - (lastSampleL*brighten);
lastSampleL = tempSampleL;
tempSampleR = inputSampleR;
inputSampleR = inputSampleR - (lastSampleR*brighten);
lastSampleR = tempSampleR;
} else { //we have high sample rate and this is an interpolate sample
inputSampleL = lastSampleL;
inputSampleR = lastSampleR;
//not really interpolating, just sample-and-hold
}
if (highSample) {
flip = !flip;
} else {
flip = true;
}
tempSampleL = inputSampleL;
inputSampleL += storedSampleL;
storedSampleL = tempSampleL;
tempSampleR = inputSampleR;
inputSampleR += storedSampleR;
storedSampleR = tempSampleR;
if (wet !=1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
}
//stereo 32 bit dither, made small and tidy.
int expon; frexpf((float)inputSampleL, &expon);
long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
inputSampleL += (dither-fpNShapeL); fpNShapeL = dither;
frexpf((float)inputSampleR, &expon);
dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
inputSampleR += (dither-fpNShapeR); fpNShapeR = dither;
//end 32 bit dither
*out1 = inputSampleL;
*out2 = inputSampleR;
*in1++;
*in2++;
*out1++;
*out2++;
}
}
void ElectroHat::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
bool highSample = false;
if (getSampleRate() > 64000) highSample = true;
//we will go to another dither for 88 and 96K
double drySampleL;
double drySampleR;
double tempSampleL;
double tempSampleR;
long double inputSampleL;
long double inputSampleR;
int deSyn = (VstInt32)( A * 5.999 )+1;
double increment = B;
double brighten = C;
double outputlevel = D;
double wet = E;
double dry = 1.0-wet;
if (deSyn == 4) {deSyn = 1; increment = 0.411; brighten = 0.87;}
//606 preset
if (deSyn == 5) {deSyn = 2; increment = 0.111; brighten = 1.0;}
//808 preset
if (deSyn == 6) {deSyn = 2; increment = 0.299; brighten = 0.359;}
//909 preset
int tok = deSyn + 1;
increment *= 0.98;
increment += 0.01;
increment += (double)tok;
double fosA = increment;
double fosB = fosA * increment;
double fosC = fosB * increment;
double fosD = fosC * increment;
double fosE = fosD * increment;
double fosF = fosE * increment;
int posA = fosA;
int posB = fosB;
int posC = fosC;
int posD = fosD;
int posE = fosE;
int posF = fosF;
int posG = posF*posE*posD*posC*posB; //factorial
while (--sampleFrames >= 0)
{
inputSampleL = *in1;
inputSampleR = *in2;
drySampleL = inputSampleL;
drySampleR = inputSampleR;
inputSampleL = fabs(inputSampleL)*outputlevel;
inputSampleR = fabs(inputSampleR)*outputlevel;
if (flip) { //will always be true unless we have high sample rate
tik++;
tik = tik % posG;
tok = tik * tik; tok = tok % posF;
tok *= tok; tok = tok % posE;
tok *= tok; tok = tok % posD;
tok *= tok; tok = tok % posC;
tok *= tok; tok = tok % posB;
tok *= tok; tok = tok % posA;
inputSampleL = tok*inputSampleL;
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleL = -tok*inputSampleL;}
if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleL = -tok*inputSampleL;}
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleL = -tok*inputSampleL;}
inputSampleR = tok*inputSampleR;
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleR = -tok*inputSampleR;}
if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleR = -tok*inputSampleR;}
if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleR = -tok*inputSampleR;}
lok = tok;
tempSampleL = inputSampleL;
inputSampleL = inputSampleL - (lastSampleL*brighten);
lastSampleL = tempSampleL;
tempSampleR = inputSampleR;
inputSampleR = inputSampleR - (lastSampleR*brighten);
lastSampleR = tempSampleR;
} else { //we have high sample rate and this is an interpolate sample
inputSampleL = lastSampleL;
inputSampleR = lastSampleR;
//not really interpolating, just sample-and-hold
}
if (highSample) {
flip = !flip;
} else {
flip = true;
}
tempSampleL = inputSampleL;
inputSampleL += storedSampleL;
storedSampleL = tempSampleL;
tempSampleR = inputSampleR;
inputSampleR += storedSampleR;
storedSampleR = tempSampleR;
if (wet !=1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
}
//stereo 64 bit dither, made small and tidy.
int expon; frexp((double)inputSampleL, &expon);
long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
dither /= 536870912.0; //needs this to scale to 64 bit zone
inputSampleL += (dither-fpNShapeL); fpNShapeL = dither;
frexp((double)inputSampleR, &expon);
dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
dither /= 536870912.0; //needs this to scale to 64 bit zone
inputSampleR += (dither-fpNShapeR); fpNShapeR = dither;
//end 64 bit dither
*out1 = inputSampleL;
*out2 = inputSampleR;
*in1++;
*in2++;
*out1++;
*out2++;
}
}
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