/* ========================================
* DubCenter - DubCenter.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __DubCenter_H
#include "DubCenter.h"
#endif
void DubCenter::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();
double driveone = pow(A*3.0,2);
double driveoutput = (B*2.0)-1.0;
double iirAmount = ((C*0.33)+0.1)/overallscale;
double ataLowpassL;
double ataLowpassR;
double ataLowpass;
double randy;
double invrandy;
double HeadBump = 0.0;
double BassGain = D * 0.1;
double HeadBumpFreq = ((E*0.1)+0.0001)/overallscale;
double iirBmount = HeadBumpFreq/44.1;
double altBmount = 1.0 - iirBmount;
double BassOutGain = (F*2.0)-1.0;
double SubBump = 0.0;
double SubGain = G * 0.1;
double SubBumpFreq = ((H*0.1)+0.0001)/overallscale;
double iirCmount = SubBumpFreq/44.1;
double altCmount = 1.0 - iirCmount;
double SubOutGain = (I*2.0)-1.0;
double clamp = 0.0;
double out;
double fuzz = 0.111;
double wet = J;
double dry = 1.0-wet;
double glitch = 0.60;
double tempSample;
while (--sampleFrames >= 0)
{
long double inputSampleL = *in1;
long double inputSampleR = *in2;
static int noisesourceL = 0;
static int noisesourceR = 850010;
int residue;
double applyresidue;
noisesourceL = noisesourceL % 1700021; noisesourceL++;
residue = noisesourceL * noisesourceL;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleL += applyresidue;
if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
inputSampleL -= applyresidue;
}
noisesourceR = noisesourceR % 1700021; noisesourceR++;
residue = noisesourceR * noisesourceR;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleR += applyresidue;
if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
inputSampleR -= applyresidue;
}
//for live air, we always apply the dither noise. Then, if our result is
//effectively digital black, we'll subtract it again. We want a 'air' hiss
long double drySampleL = inputSampleL;
long double drySampleR = inputSampleR;
// here's the plan.
// Grind Boost
// Grind Output Level
// Bass Split Freq
// Bass Drive
// Bass Voicing
// Bass Output Level
// Sub Oct Drive
// Sub Voicing
// Sub Output Level
// Dry/Wet
oscGate += fabs((inputSampleL + inputSampleR) * 5.0);
oscGate -= 0.001;
if (oscGate > 1.0) oscGate = 1.0;
if (oscGate < 0) oscGate = 0;
//got a value that only goes down low when there's silence or near silence on input
clamp = 1.0-oscGate;
clamp *= 0.00001;
//set up the thing to choke off oscillations- belt and suspenders affair
if (flip)
{
tempSample = inputSampleL;
iirDriveSampleAL = (iirDriveSampleAL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleAL;
iirDriveSampleCL = (iirDriveSampleCL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleCL;
iirDriveSampleEL = (iirDriveSampleEL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleEL;
ataLowpassL = tempSample - inputSampleL;
tempSample = inputSampleR;
iirDriveSampleAR = (iirDriveSampleAR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleAR;
iirDriveSampleCR = (iirDriveSampleCR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleCR;
iirDriveSampleER = (iirDriveSampleER * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleER;
ataLowpassR = tempSample - inputSampleR;
}
else
{
tempSample = inputSampleL;
iirDriveSampleBL = (iirDriveSampleBL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleBL;
iirDriveSampleDL = (iirDriveSampleDL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleDL;
iirDriveSampleFL = (iirDriveSampleFL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleFL;
ataLowpassL = tempSample - inputSampleL;
tempSample = inputSampleR;
iirDriveSampleBR = (iirDriveSampleBR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleBR;
iirDriveSampleDR = (iirDriveSampleDR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleDR;
iirDriveSampleFR = (iirDriveSampleFR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleFR;
ataLowpassR = tempSample - inputSampleR;
}
//highpass section
if (inputSampleL > 1.0) {inputSampleL = 1.0;}
if (inputSampleL < -1.0) {inputSampleL = -1.0;}
if (inputSampleR > 1.0) {inputSampleR = 1.0;}
if (inputSampleR < -1.0) {inputSampleR = -1.0;}
out = driveone;
while (out > glitch)
{
out -= glitch;
inputSampleL -= (inputSampleL * (fabs(inputSampleL) * glitch) * (fabs(inputSampleL) * glitch) );
inputSampleL *= (1.0+glitch);
}
//that's taken care of the really high gain stuff
inputSampleL -= (inputSampleL * (fabs(inputSampleL) * out) * (fabs(inputSampleL) * out) );
inputSampleL *= (1.0+out);
out = driveone;
while (out > glitch)
{
out -= glitch;
inputSampleR -= (inputSampleR * (fabs(inputSampleR) * glitch) * (fabs(inputSampleR) * glitch) );
inputSampleR *= (1.0+glitch);
}
//that's taken care of the really high gain stuff
inputSampleR -= (inputSampleR * (fabs(inputSampleR) * out) * (fabs(inputSampleR) * out) );
inputSampleR *= (1.0+out);
ataLowpass = (ataLowpassL + ataLowpassR) / 2.0;
if (ataLowpass > 0)
{if (WasNegative){SubOctave = !SubOctave;} WasNegative = false;}
else {WasNegative = true;}
//set up polarities for sub-bass version
randy = (rand()/(double)RAND_MAX)*fuzz; //0 to 1 the noise, may not be needed
invrandy = (1.0-randy);
randy /= 2.0;
//set up the noise
iirSampleA = (iirSampleA * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleA;
iirSampleB = (iirSampleB * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleB;
iirSampleC = (iirSampleC * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleC;
iirSampleD = (iirSampleD * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleD;
iirSampleE = (iirSampleE * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleE;
iirSampleF = (iirSampleF * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleF;
iirSampleG = (iirSampleG * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleG;
iirSampleH = (iirSampleH * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleH;
iirSampleI = (iirSampleI * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleI;
iirSampleJ = (iirSampleJ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleJ;
iirSampleK = (iirSampleK * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleK;
iirSampleL = (iirSampleL * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleL;
iirSampleM = (iirSampleM * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleM;
iirSampleN = (iirSampleN * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleN;
iirSampleO = (iirSampleO * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleO;
iirSampleP = (iirSampleP * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleP;
iirSampleQ = (iirSampleQ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleQ;
iirSampleR = (iirSampleR * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleR;
iirSampleS = (iirSampleS * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleS;
iirSampleT = (iirSampleT * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleT;
iirSampleU = (iirSampleU * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleU;
iirSampleV = (iirSampleV * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleV;
switch (bflip)
{
case 1:
iirHeadBumpA += (ataLowpass * BassGain);
iirHeadBumpA -= (iirHeadBumpA * iirHeadBumpA * iirHeadBumpA * HeadBumpFreq);
iirHeadBumpA = (invrandy * iirHeadBumpA) + (randy * iirHeadBumpB) + (randy * iirHeadBumpC);
if (iirHeadBumpA > 0) iirHeadBumpA -= clamp;
if (iirHeadBumpA < 0) iirHeadBumpA += clamp;
HeadBump = iirHeadBumpA;
break;
case 2:
iirHeadBumpB += (ataLowpass * BassGain);
iirHeadBumpB -= (iirHeadBumpB * iirHeadBumpB * iirHeadBumpB * HeadBumpFreq);
iirHeadBumpB = (randy * iirHeadBumpA) + (invrandy * iirHeadBumpB) + (randy * iirHeadBumpC);
if (iirHeadBumpB > 0) iirHeadBumpB -= clamp;
if (iirHeadBumpB < 0) iirHeadBumpB += clamp;
HeadBump = iirHeadBumpB;
break;
case 3:
iirHeadBumpC += (ataLowpass * BassGain);
iirHeadBumpC -= (iirHeadBumpC * iirHeadBumpC * iirHeadBumpC * HeadBumpFreq);
iirHeadBumpC = (randy * iirHeadBumpA) + (randy * iirHeadBumpB) + (invrandy * iirHeadBumpC);
if (iirHeadBumpC > 0) iirHeadBumpC -= clamp;
if (iirHeadBumpC < 0) iirHeadBumpC += clamp;
HeadBump = iirHeadBumpC;
break;
}
iirSampleW = (iirSampleW * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleW;
iirSampleX = (iirSampleX * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleX;
SubBump = HeadBump;
iirSampleY = (iirSampleY * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleY;
SubBump = fabs(SubBump);
if (SubOctave == false) {SubBump = -SubBump;}
switch (bflip)
{
case 1:
iirSubBumpA += (SubBump * SubGain);
iirSubBumpA -= (iirSubBumpA * iirSubBumpA * iirSubBumpA * SubBumpFreq);
iirSubBumpA = (invrandy * iirSubBumpA) + (randy * iirSubBumpB) + (randy * iirSubBumpC);
if (iirSubBumpA > 0) iirSubBumpA -= clamp;
if (iirSubBumpA < 0) iirSubBumpA += clamp;
SubBump = iirSubBumpA;
break;
case 2:
iirSubBumpB += (SubBump * SubGain);
iirSubBumpB -= (iirSubBumpB * iirSubBumpB * iirSubBumpB * SubBumpFreq);
iirSubBumpB = (randy * iirSubBumpA) + (invrandy * iirSubBumpB) + (randy * iirSubBumpC);
if (iirSubBumpB > 0) iirSubBumpB -= clamp;
if (iirSubBumpB < 0) iirSubBumpB += clamp;
SubBump = iirSubBumpB;
break;
case 3:
iirSubBumpC += (SubBump * SubGain);
iirSubBumpC -= (iirSubBumpC * iirSubBumpC * iirSubBumpC * SubBumpFreq);
iirSubBumpC = (randy * iirSubBumpA) + (randy * iirSubBumpB) + (invrandy * iirSubBumpC);
if (iirSubBumpC > 0) iirSubBumpC -= clamp;
if (iirSubBumpC < 0) iirSubBumpC += clamp;
SubBump = iirSubBumpC;
break;
}
iirSampleZ = (iirSampleZ * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleZ;
inputSampleL *= driveoutput; //start with the drive section then add lows and subs
inputSampleR *= driveoutput; //start with the drive section then add lows and subs
inputSampleL += ((HeadBump + lastHeadBump) * BassOutGain);
inputSampleL += ((SubBump + lastSubBump) * SubOutGain);
inputSampleR += ((HeadBump + lastHeadBump) * BassOutGain);
inputSampleR += ((SubBump + lastSubBump) * SubOutGain);
lastHeadBump = HeadBump;
lastSubBump = SubBump;
if (wet != 1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
}
//Dry/Wet control, defaults to the last slider
flip = !flip;
bflip++;
if (bflip < 1 || bflip > 3) bflip = 1;
//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 DubCenter::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();
double driveone = pow(A*3.0,2);
double driveoutput = (B*2.0)-1.0;
double iirAmount = ((C*0.33)+0.1)/overallscale;
double ataLowpassL;
double ataLowpassR;
double ataLowpass;
double randy;
double invrandy;
double HeadBump = 0.0;
double BassGain = D * 0.1;
double HeadBumpFreq = ((E*0.1)+0.0001)/overallscale;
double iirBmount = HeadBumpFreq/44.1;
double altBmount = 1.0 - iirBmount;
double BassOutGain = (F*2.0)-1.0;
double SubBump = 0.0;
double SubGain = G * 0.1;
double SubBumpFreq = ((H*0.1)+0.0001)/overallscale;
double iirCmount = SubBumpFreq/44.1;
double altCmount = 1.0 - iirCmount;
double SubOutGain = (I*2.0)-1.0;
double clamp = 0.0;
double out;
double fuzz = 0.111;
double wet = J;
double dry = 1.0-wet;
double glitch = 0.60;
double tempSample;
while (--sampleFrames >= 0)
{
long double inputSampleL = *in1;
long double inputSampleR = *in2;
static int noisesourceL = 0;
static int noisesourceR = 850010;
int residue;
double applyresidue;
noisesourceL = noisesourceL % 1700021; noisesourceL++;
residue = noisesourceL * noisesourceL;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleL += applyresidue;
if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
inputSampleL -= applyresidue;
}
noisesourceR = noisesourceR % 1700021; noisesourceR++;
residue = noisesourceR * noisesourceR;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleR += applyresidue;
if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
inputSampleR -= applyresidue;
}
//for live air, we always apply the dither noise. Then, if our result is
//effectively digital black, we'll subtract it again. We want a 'air' hiss
long double drySampleL = inputSampleL;
long double drySampleR = inputSampleR;
// here's the plan.
// Grind Boost
// Grind Output Level
// Bass Split Freq
// Bass Drive
// Bass Voicing
// Bass Output Level
// Sub Oct Drive
// Sub Voicing
// Sub Output Level
// Dry/Wet
oscGate += fabs((inputSampleL + inputSampleR) * 5.0);
oscGate -= 0.001;
if (oscGate > 1.0) oscGate = 1.0;
if (oscGate < 0) oscGate = 0;
//got a value that only goes down low when there's silence or near silence on input
clamp = 1.0-oscGate;
clamp *= 0.00001;
//set up the thing to choke off oscillations- belt and suspenders affair
if (flip)
{
tempSample = inputSampleL;
iirDriveSampleAL = (iirDriveSampleAL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleAL;
iirDriveSampleCL = (iirDriveSampleCL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleCL;
iirDriveSampleEL = (iirDriveSampleEL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleEL;
ataLowpassL = tempSample - inputSampleL;
tempSample = inputSampleR;
iirDriveSampleAR = (iirDriveSampleAR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleAR;
iirDriveSampleCR = (iirDriveSampleCR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleCR;
iirDriveSampleER = (iirDriveSampleER * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleER;
ataLowpassR = tempSample - inputSampleR;
}
else
{
tempSample = inputSampleL;
iirDriveSampleBL = (iirDriveSampleBL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleBL;
iirDriveSampleDL = (iirDriveSampleDL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleDL;
iirDriveSampleFL = (iirDriveSampleFL * (1 - iirAmount)) + (inputSampleL * iirAmount);
inputSampleL -= iirDriveSampleFL;
ataLowpassL = tempSample - inputSampleL;
tempSample = inputSampleR;
iirDriveSampleBR = (iirDriveSampleBR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleBR;
iirDriveSampleDR = (iirDriveSampleDR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleDR;
iirDriveSampleFR = (iirDriveSampleFR * (1 - iirAmount)) + (inputSampleR * iirAmount);
inputSampleR -= iirDriveSampleFR;
ataLowpassR = tempSample - inputSampleR;
}
//highpass section
if (inputSampleL > 1.0) {inputSampleL = 1.0;}
if (inputSampleL < -1.0) {inputSampleL = -1.0;}
if (inputSampleR > 1.0) {inputSampleR = 1.0;}
if (inputSampleR < -1.0) {inputSampleR = -1.0;}
out = driveone;
while (out > glitch)
{
out -= glitch;
inputSampleL -= (inputSampleL * (fabs(inputSampleL) * glitch) * (fabs(inputSampleL) * glitch) );
inputSampleL *= (1.0+glitch);
}
//that's taken care of the really high gain stuff
inputSampleL -= (inputSampleL * (fabs(inputSampleL) * out) * (fabs(inputSampleL) * out) );
inputSampleL *= (1.0+out);
out = driveone;
while (out > glitch)
{
out -= glitch;
inputSampleR -= (inputSampleR * (fabs(inputSampleR) * glitch) * (fabs(inputSampleR) * glitch) );
inputSampleR *= (1.0+glitch);
}
//that's taken care of the really high gain stuff
inputSampleR -= (inputSampleR * (fabs(inputSampleR) * out) * (fabs(inputSampleR) * out) );
inputSampleR *= (1.0+out);
ataLowpass = (ataLowpassL + ataLowpassR) / 2.0;
if (ataLowpass > 0)
{if (WasNegative){SubOctave = !SubOctave;} WasNegative = false;}
else {WasNegative = true;}
//set up polarities for sub-bass version
randy = (rand()/(double)RAND_MAX)*fuzz; //0 to 1 the noise, may not be needed
invrandy = (1.0-randy);
randy /= 2.0;
//set up the noise
iirSampleA = (iirSampleA * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleA;
iirSampleB = (iirSampleB * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleB;
iirSampleC = (iirSampleC * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleC;
iirSampleD = (iirSampleD * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleD;
iirSampleE = (iirSampleE * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleE;
iirSampleF = (iirSampleF * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleF;
iirSampleG = (iirSampleG * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleG;
iirSampleH = (iirSampleH * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleH;
iirSampleI = (iirSampleI * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleI;
iirSampleJ = (iirSampleJ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleJ;
iirSampleK = (iirSampleK * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleK;
iirSampleL = (iirSampleL * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleL;
iirSampleM = (iirSampleM * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleM;
iirSampleN = (iirSampleN * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleN;
iirSampleO = (iirSampleO * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleO;
iirSampleP = (iirSampleP * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleP;
iirSampleQ = (iirSampleQ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleQ;
iirSampleR = (iirSampleR * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleR;
iirSampleS = (iirSampleS * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleS;
iirSampleT = (iirSampleT * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleT;
iirSampleU = (iirSampleU * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleU;
iirSampleV = (iirSampleV * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleV;
switch (bflip)
{
case 1:
iirHeadBumpA += (ataLowpass * BassGain);
iirHeadBumpA -= (iirHeadBumpA * iirHeadBumpA * iirHeadBumpA * HeadBumpFreq);
iirHeadBumpA = (invrandy * iirHeadBumpA) + (randy * iirHeadBumpB) + (randy * iirHeadBumpC);
if (iirHeadBumpA > 0) iirHeadBumpA -= clamp;
if (iirHeadBumpA < 0) iirHeadBumpA += clamp;
HeadBump = iirHeadBumpA;
break;
case 2:
iirHeadBumpB += (ataLowpass * BassGain);
iirHeadBumpB -= (iirHeadBumpB * iirHeadBumpB * iirHeadBumpB * HeadBumpFreq);
iirHeadBumpB = (randy * iirHeadBumpA) + (invrandy * iirHeadBumpB) + (randy * iirHeadBumpC);
if (iirHeadBumpB > 0) iirHeadBumpB -= clamp;
if (iirHeadBumpB < 0) iirHeadBumpB += clamp;
HeadBump = iirHeadBumpB;
break;
case 3:
iirHeadBumpC += (ataLowpass * BassGain);
iirHeadBumpC -= (iirHeadBumpC * iirHeadBumpC * iirHeadBumpC * HeadBumpFreq);
iirHeadBumpC = (randy * iirHeadBumpA) + (randy * iirHeadBumpB) + (invrandy * iirHeadBumpC);
if (iirHeadBumpC > 0) iirHeadBumpC -= clamp;
if (iirHeadBumpC < 0) iirHeadBumpC += clamp;
HeadBump = iirHeadBumpC;
break;
}
iirSampleW = (iirSampleW * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleW;
iirSampleX = (iirSampleX * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleX;
SubBump = HeadBump;
iirSampleY = (iirSampleY * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleY;
SubBump = fabs(SubBump);
if (SubOctave == false) {SubBump = -SubBump;}
switch (bflip)
{
case 1:
iirSubBumpA += (SubBump * SubGain);
iirSubBumpA -= (iirSubBumpA * iirSubBumpA * iirSubBumpA * SubBumpFreq);
iirSubBumpA = (invrandy * iirSubBumpA) + (randy * iirSubBumpB) + (randy * iirSubBumpC);
if (iirSubBumpA > 0) iirSubBumpA -= clamp;
if (iirSubBumpA < 0) iirSubBumpA += clamp;
SubBump = iirSubBumpA;
break;
case 2:
iirSubBumpB += (SubBump * SubGain);
iirSubBumpB -= (iirSubBumpB * iirSubBumpB * iirSubBumpB * SubBumpFreq);
iirSubBumpB = (randy * iirSubBumpA) + (invrandy * iirSubBumpB) + (randy * iirSubBumpC);
if (iirSubBumpB > 0) iirSubBumpB -= clamp;
if (iirSubBumpB < 0) iirSubBumpB += clamp;
SubBump = iirSubBumpB;
break;
case 3:
iirSubBumpC += (SubBump * SubGain);
iirSubBumpC -= (iirSubBumpC * iirSubBumpC * iirSubBumpC * SubBumpFreq);
iirSubBumpC = (randy * iirSubBumpA) + (randy * iirSubBumpB) + (invrandy * iirSubBumpC);
if (iirSubBumpC > 0) iirSubBumpC -= clamp;
if (iirSubBumpC < 0) iirSubBumpC += clamp;
SubBump = iirSubBumpC;
break;
}
iirSampleZ = (iirSampleZ * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleZ;
inputSampleL *= driveoutput; //start with the drive section then add lows and subs
inputSampleR *= driveoutput; //start with the drive section then add lows and subs
inputSampleL += ((HeadBump + lastHeadBump) * BassOutGain);
inputSampleL += ((SubBump + lastSubBump) * SubOutGain);
inputSampleR += ((HeadBump + lastHeadBump) * BassOutGain);
inputSampleR += ((SubBump + lastSubBump) * SubOutGain);
lastHeadBump = HeadBump;
lastSubBump = SubBump;
if (wet != 1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * dry);
inputSampleR = (inputSampleR * wet) + (drySampleR * dry);
}
//Dry/Wet control, defaults to the last slider
flip = !flip;
bflip++;
if (bflip < 1 || bflip > 3) bflip = 1;
//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++;
}
}