mirror of
https://github.com/airwindows/airwindows.git
synced 2026-05-15 14:16:00 -06:00
1412 lines
No EOL
49 KiB
C++
Executable file
1412 lines
No EOL
49 KiB
C++
Executable file
/* ========================================
|
|
* CStrip - CStrip.h
|
|
* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
|
|
* ======================================== */
|
|
|
|
#ifndef __CStrip_H
|
|
#include "CStrip.h"
|
|
#endif
|
|
|
|
void CStrip::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;
|
|
double compscale = overallscale;
|
|
overallscale = getSampleRate();
|
|
compscale = compscale * overallscale;
|
|
//compscale is the one that's 1 or something like 2.2 for 96K rates
|
|
double fpOld = 0.618033988749894848204586; //golden ratio!
|
|
double fpNew = 1.0 - fpOld;
|
|
double inputSampleL;
|
|
double inputSampleR;
|
|
|
|
double highSampleL = 0.0;
|
|
double midSampleL = 0.0;
|
|
double bassSampleL = 0.0;
|
|
|
|
double highSampleR = 0.0;
|
|
double midSampleR = 0.0;
|
|
double bassSampleR = 0.0;
|
|
|
|
double densityA = (A*12.0)-6.0;
|
|
double densityB = (B*12.0)-6.0;
|
|
double densityC = (C*12.0)-6.0;
|
|
bool engageEQ = true;
|
|
if ( (0.0 == densityA) && (0.0 == densityB) && (0.0 == densityC) ) engageEQ = false;
|
|
|
|
densityA = pow(10.0,densityA/20.0)-1.0;
|
|
densityB = pow(10.0,densityB/20.0)-1.0;
|
|
densityC = pow(10.0,densityC/20.0)-1.0;
|
|
//convert to 0 to X multiplier with 1.0 being O db
|
|
//minus one gives nearly -1 to ? (should top out at 1)
|
|
//calibrate so that X db roughly equals X db with maximum topping out at 1 internally
|
|
|
|
double tripletIntensity = -densityA;
|
|
|
|
double iirAmountC = (((D*D*15.0)+1.0)*0.0188) + 0.7;
|
|
if (iirAmountC > 1.0) iirAmountC = 1.0;
|
|
bool engageLowpass = false;
|
|
if (((D*D*15.0)+1.0) < 15.99) engageLowpass = true;
|
|
|
|
double iirAmountA = (((E*E*15.0)+1.0)*1000)/overallscale;
|
|
double iirAmountB = (((F*F*1570.0)+30.0)*10)/overallscale;
|
|
double iirAmountD = (((G*G*1570.0)+30.0)*1.0)/overallscale;
|
|
bool engageHighpass = false;
|
|
if (((G*G*1570.0)+30.0) > 30.01) engageHighpass = true;
|
|
//bypass the highpass and lowpass if set to extremes
|
|
double bridgerectifier;
|
|
double outA = fabs(densityA);
|
|
double outB = fabs(densityB);
|
|
double outC = fabs(densityC);
|
|
//end EQ
|
|
//begin Gate
|
|
double onthreshold = (pow(H,4)/3)+0.00018;
|
|
double offthreshold = onthreshold * 1.1;
|
|
bool engageGate = false;
|
|
if (onthreshold > 0.00018) engageGate = true;
|
|
|
|
double release = 0.028331119964586;
|
|
double absmax = 220.9;
|
|
//speed to be compensated w.r.t sample rate
|
|
//end Gate
|
|
//begin Timing
|
|
double offset = pow(K,5) * 700;
|
|
int near = (int)floor(fabs(offset));
|
|
double farLevel = fabs(offset) - near;
|
|
int far = near + 1;
|
|
double nearLevel = 1.0 - farLevel;
|
|
bool engageTiming = false;
|
|
if (offset > 0.0) engageTiming = true;
|
|
//end Timing
|
|
//begin ButterComp
|
|
double inputpos;
|
|
double inputneg;
|
|
double calcpos;
|
|
double calcneg;
|
|
double outputpos;
|
|
double outputneg;
|
|
double totalmultiplier;
|
|
double inputgain = (pow(I,4)*35)+1.0;
|
|
double compoutgain = inputgain;
|
|
compoutgain -= 1.0;
|
|
compoutgain /= 1.2;
|
|
compoutgain += 1.0;
|
|
double divisor = (0.008 * pow(J,2))+0.0004;
|
|
//originally 0.012
|
|
divisor /= compscale;
|
|
double remainder = divisor;
|
|
divisor = 1.0 - divisor;
|
|
bool engageComp = false;
|
|
if (inputgain > 1.0) engageComp = true;
|
|
//end ButterComp
|
|
double outputgain = pow(10.0,((L*36.0)-18.0)/20.0);
|
|
|
|
|
|
while (--sampleFrames >= 0)
|
|
{
|
|
inputSampleL = *in1;
|
|
inputSampleR = *in2;
|
|
if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
|
|
if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
|
|
|
|
last2SampleL = lastSampleL;
|
|
lastSampleL = inputSampleL;
|
|
|
|
last2SampleR = lastSampleR;
|
|
lastSampleR = inputSampleR;
|
|
|
|
//begin Gate
|
|
if (engageGate)
|
|
{
|
|
if (inputSampleL > 0)
|
|
{if (WasNegativeL == true){ZeroCrossL = absmax * 0.3;}
|
|
WasNegativeL = false;}
|
|
else
|
|
{ZeroCrossL += 1; WasNegativeL = true;}
|
|
|
|
if (inputSampleR > 0)
|
|
{if (WasNegativeR == true){ZeroCrossR = absmax * 0.3;}
|
|
WasNegativeR = false;}
|
|
else
|
|
{ZeroCrossR += 1; WasNegativeR = true;}
|
|
|
|
if (ZeroCrossL > absmax)
|
|
{ZeroCrossL = absmax;}
|
|
|
|
if (ZeroCrossR > absmax)
|
|
{ZeroCrossR = absmax;}
|
|
|
|
if (gateL == 0.0)
|
|
{
|
|
//if gate is totally silent
|
|
if (fabs(inputSampleL) > onthreshold)
|
|
{
|
|
if (gaterollerL == 0.0) gaterollerL = ZeroCrossL;
|
|
else gaterollerL -= release;
|
|
// trigger from total silence only- if we're active then signal must clear offthreshold
|
|
}
|
|
else gaterollerL -= release;
|
|
}
|
|
else
|
|
{
|
|
//gate is not silent but closing
|
|
if (fabs(inputSampleL) > offthreshold)
|
|
{
|
|
if (gaterollerL < ZeroCrossL) gaterollerL = ZeroCrossL;
|
|
else gaterollerL -= release;
|
|
//always trigger if gate is over offthreshold, otherwise close anyway
|
|
}
|
|
else gaterollerL -= release;
|
|
}
|
|
|
|
if (gateR == 0.0)
|
|
{
|
|
//if gate is totally silent
|
|
if (fabs(inputSampleR) > onthreshold)
|
|
{
|
|
if (gaterollerR == 0.0) gaterollerR = ZeroCrossR;
|
|
else gaterollerR -= release;
|
|
// trigger from total silence only- if we're active then signal must clear offthreshold
|
|
}
|
|
else gaterollerR -= release;
|
|
}
|
|
else
|
|
{
|
|
//gate is not silent but closing
|
|
if (fabs(inputSampleR) > offthreshold)
|
|
{
|
|
if (gaterollerR < ZeroCrossR) gaterollerR = ZeroCrossR;
|
|
else gaterollerR -= release;
|
|
//always trigger if gate is over offthreshold, otherwise close anyway
|
|
}
|
|
else gaterollerR -= release;
|
|
}
|
|
|
|
if (gaterollerL < 0.0)
|
|
{gaterollerL = 0.0;}
|
|
if (gaterollerR < 0.0)
|
|
{gaterollerR = 0.0;}
|
|
|
|
if (gaterollerL < 1.0)
|
|
{
|
|
gateL = gaterollerL;
|
|
bridgerectifier = 1-cos(fabs(inputSampleL));
|
|
if (inputSampleL > 0) inputSampleL = (inputSampleL*gateL)+(bridgerectifier*(1.0-gateL));
|
|
else inputSampleL = (inputSampleL*gateL)-(bridgerectifier*(1.0-gateL));
|
|
if (gateL == 0.0) inputSampleL = 0.0;
|
|
}
|
|
else
|
|
{gateL = 1.0;}
|
|
|
|
if (gaterollerR < 1.0)
|
|
{
|
|
gateR = gaterollerR;
|
|
bridgerectifier = 1-cos(fabs(inputSampleR));
|
|
if (inputSampleR > 0) inputSampleR = (inputSampleR*gateR)+(bridgerectifier*(1.0-gateR));
|
|
else inputSampleR = (inputSampleR*gateR)-(bridgerectifier*(1.0-gateR));
|
|
if (gateR == 0.0) inputSampleR = 0.0;
|
|
}
|
|
else
|
|
{gateR = 1.0;}
|
|
}
|
|
//end Gate, begin antialiasing
|
|
|
|
flip = !flip;
|
|
flipthree++;
|
|
if (flipthree < 1 || flipthree > 3) flipthree = 1;
|
|
//counters
|
|
|
|
//begin highpass
|
|
if (engageHighpass)
|
|
{
|
|
if (flip)
|
|
{
|
|
highpassSampleLAA = (highpassSampleLAA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLAA;
|
|
highpassSampleLBA = (highpassSampleLBA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLBA;
|
|
highpassSampleLCA = (highpassSampleLCA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLCA;
|
|
highpassSampleLDA = (highpassSampleLDA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLDA;
|
|
}
|
|
else
|
|
{
|
|
highpassSampleLAB = (highpassSampleLAB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLAB;
|
|
highpassSampleLBB = (highpassSampleLBB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLBB;
|
|
highpassSampleLCB = (highpassSampleLCB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLCB;
|
|
highpassSampleLDB = (highpassSampleLDB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLDB;
|
|
}
|
|
highpassSampleLE = (highpassSampleLE * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLE;
|
|
highpassSampleLF = (highpassSampleLF * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLF;
|
|
|
|
if (flip)
|
|
{
|
|
highpassSampleRAA = (highpassSampleRAA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRAA;
|
|
highpassSampleRBA = (highpassSampleRBA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRBA;
|
|
highpassSampleRCA = (highpassSampleRCA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRCA;
|
|
highpassSampleRDA = (highpassSampleRDA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRDA;
|
|
}
|
|
else
|
|
{
|
|
highpassSampleRAB = (highpassSampleRAB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRAB;
|
|
highpassSampleRBB = (highpassSampleRBB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRBB;
|
|
highpassSampleRCB = (highpassSampleRCB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRCB;
|
|
highpassSampleRDB = (highpassSampleRDB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRDB;
|
|
}
|
|
highpassSampleRE = (highpassSampleRE * (1 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRE;
|
|
highpassSampleRF = (highpassSampleRF * (1 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRF;
|
|
|
|
}
|
|
//end highpass
|
|
|
|
//begin compressor
|
|
if (engageComp)
|
|
{
|
|
//begin L
|
|
inputSampleL *= inputgain;
|
|
|
|
inputpos = (inputSampleL * fpOld) + (avgLA * fpNew) + 1.0;
|
|
avgLA = inputSampleL;
|
|
|
|
if (inputpos < 0.0) inputpos = 0.0;
|
|
outputpos = inputpos / 2.0;
|
|
if (outputpos > 1.0) outputpos = 1.0;
|
|
inputpos *= inputpos;
|
|
targetposL *= divisor;
|
|
targetposL += (inputpos * remainder);
|
|
calcpos = pow((1.0/targetposL),2);
|
|
|
|
inputneg = (-inputSampleL * fpOld) + (nvgLA * fpNew) + 1.0;
|
|
nvgLA = -inputSampleL;
|
|
|
|
if (inputneg < 0.0) inputneg = 0.0;
|
|
outputneg = inputneg / 2.0;
|
|
if (outputneg > 1.0) outputneg = 1.0;
|
|
inputneg *= inputneg;
|
|
targetnegL *= divisor;
|
|
targetnegL += (inputneg * remainder);
|
|
calcneg = pow((1.0/targetnegL),2);
|
|
//now we have mirrored targets for comp
|
|
//outputpos and outputneg go from 0 to 1
|
|
|
|
if (inputSampleL > 0)
|
|
{ //working on pos
|
|
if (true == flip)
|
|
{
|
|
controlAposL *= divisor;
|
|
controlAposL += (calcpos*remainder);
|
|
|
|
}
|
|
else
|
|
{
|
|
controlBposL *= divisor;
|
|
controlBposL += (calcpos*remainder);
|
|
}
|
|
}
|
|
else
|
|
{ //working on neg
|
|
if (true == flip)
|
|
{
|
|
controlAnegL *= divisor;
|
|
controlAnegL += (calcneg*remainder);
|
|
}
|
|
else
|
|
{
|
|
controlBnegL *= divisor;
|
|
controlBnegL += (calcneg*remainder);
|
|
}
|
|
}
|
|
//this causes each of the four to update only when active and in the correct 'flip'
|
|
|
|
if (true == flip)
|
|
{totalmultiplier = (controlAposL * outputpos) + (controlAnegL * outputneg);}
|
|
else
|
|
{totalmultiplier = (controlBposL * outputpos) + (controlBnegL * outputneg);}
|
|
//this combines the sides according to flip, blending relative to the input value
|
|
|
|
inputSampleL *= totalmultiplier;
|
|
inputSampleL /= compoutgain;
|
|
//end L
|
|
|
|
//begin R
|
|
inputSampleR *= inputgain;
|
|
|
|
inputpos = (inputSampleR * fpOld) + (avgRA * fpNew) + 1.0;
|
|
avgRA = inputSampleR;
|
|
|
|
if (inputpos < 0.0) inputpos = 0.0;
|
|
outputpos = inputpos / 2.0;
|
|
if (outputpos > 1.0) outputpos = 1.0;
|
|
inputpos *= inputpos;
|
|
targetposR *= divisor;
|
|
targetposR += (inputpos * remainder);
|
|
calcpos = pow((1.0/targetposR),2);
|
|
|
|
inputneg = (-inputSampleR * fpOld) + (nvgRA * fpNew) + 1.0;
|
|
nvgRA = -inputSampleR;
|
|
|
|
if (inputneg < 0.0) inputneg = 0.0;
|
|
outputneg = inputneg / 2.0;
|
|
if (outputneg > 1.0) outputneg = 1.0;
|
|
inputneg *= inputneg;
|
|
targetnegR *= divisor;
|
|
targetnegR += (inputneg * remainder);
|
|
calcneg = pow((1.0/targetnegR),2);
|
|
//now we have mirrored targets for comp
|
|
//outputpos and outputneg go from 0 to 1
|
|
|
|
if (inputSampleR > 0)
|
|
{ //working on pos
|
|
if (true == flip)
|
|
{
|
|
controlAposR *= divisor;
|
|
controlAposR += (calcpos*remainder);
|
|
|
|
}
|
|
else
|
|
{
|
|
controlBposR *= divisor;
|
|
controlBposR += (calcpos*remainder);
|
|
}
|
|
}
|
|
else
|
|
{ //working on neg
|
|
if (true == flip)
|
|
{
|
|
controlAnegR *= divisor;
|
|
controlAnegR += (calcneg*remainder);
|
|
}
|
|
else
|
|
{
|
|
controlBnegR *= divisor;
|
|
controlBnegR += (calcneg*remainder);
|
|
}
|
|
}
|
|
//this causes each of the four to update only when active and in the correct 'flip'
|
|
|
|
if (true == flip)
|
|
{totalmultiplier = (controlAposR * outputpos) + (controlAnegR * outputneg);}
|
|
else
|
|
{totalmultiplier = (controlBposR * outputpos) + (controlBnegR * outputneg);}
|
|
//this combines the sides according to flip, blending relative to the input value
|
|
|
|
inputSampleR *= totalmultiplier;
|
|
inputSampleR /= compoutgain;
|
|
//end R
|
|
}
|
|
//end compressor
|
|
|
|
//begin EQ
|
|
if (engageEQ)
|
|
{
|
|
switch (flipthree)
|
|
{
|
|
case 1:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLA += tripletFactorL;
|
|
tripletLC -= tripletFactorL;
|
|
tripletFactorL = tripletLA * tripletIntensity;
|
|
iirHighSampleLC = (iirHighSampleLC * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLC;
|
|
iirLowSampleLC = (iirLowSampleLC * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLC;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRA += tripletFactorR;
|
|
tripletRC -= tripletFactorR;
|
|
tripletFactorR = tripletRA * tripletIntensity;
|
|
iirHighSampleRC = (iirHighSampleRC * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRC;
|
|
iirLowSampleRC = (iirLowSampleRC * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRC;
|
|
break;
|
|
case 2:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLB += tripletFactorL;
|
|
tripletLA -= tripletFactorL;
|
|
tripletFactorL = tripletLB * tripletIntensity;
|
|
iirHighSampleLD = (iirHighSampleLD * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLD;
|
|
iirLowSampleLD = (iirLowSampleLD * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLD;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRB += tripletFactorR;
|
|
tripletRA -= tripletFactorR;
|
|
tripletFactorR = tripletRB * tripletIntensity;
|
|
iirHighSampleRD = (iirHighSampleRD * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRD;
|
|
iirLowSampleRD = (iirLowSampleRD * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRD;
|
|
break;
|
|
case 3:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLC += tripletFactorL;
|
|
tripletLB -= tripletFactorL;
|
|
tripletFactorL = tripletLC * tripletIntensity;
|
|
iirHighSampleLE = (iirHighSampleLE * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLE;
|
|
iirLowSampleLE = (iirLowSampleLE * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLE;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRC += tripletFactorR;
|
|
tripletRB -= tripletFactorR;
|
|
tripletFactorR = tripletRC * tripletIntensity;
|
|
iirHighSampleRE = (iirHighSampleRE * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRE;
|
|
iirLowSampleRE = (iirLowSampleRE * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRE;
|
|
break;
|
|
}
|
|
tripletLA /= 2.0;
|
|
tripletLB /= 2.0;
|
|
tripletLC /= 2.0;
|
|
highSampleL = highSampleL + tripletFactorL;
|
|
|
|
tripletRA /= 2.0;
|
|
tripletRB /= 2.0;
|
|
tripletRC /= 2.0;
|
|
highSampleR = highSampleR + tripletFactorR;
|
|
|
|
if (flip)
|
|
{
|
|
iirHighSampleLA = (iirHighSampleLA * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleLA;
|
|
iirLowSampleLA = (iirLowSampleLA * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLA;
|
|
|
|
iirHighSampleRA = (iirHighSampleRA * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleRA;
|
|
iirLowSampleRA = (iirLowSampleRA * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRA;
|
|
}
|
|
else
|
|
{
|
|
iirHighSampleLB = (iirHighSampleLB * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleLB;
|
|
iirLowSampleLB = (iirLowSampleLB * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLB;
|
|
|
|
iirHighSampleRB = (iirHighSampleRB * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleRB;
|
|
iirLowSampleRB = (iirLowSampleRB * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRB;
|
|
}
|
|
|
|
iirHighSampleL = (iirHighSampleL * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleL;
|
|
iirLowSampleL = (iirLowSampleL * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleL;
|
|
|
|
iirHighSampleR = (iirHighSampleR * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleR;
|
|
iirLowSampleR = (iirLowSampleR * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleR;
|
|
|
|
midSampleL = (inputSampleL-bassSampleL)-highSampleL;
|
|
midSampleR = (inputSampleR-bassSampleR)-highSampleR;
|
|
|
|
//drive section
|
|
highSampleL *= (densityA+1.0);
|
|
bridgerectifier = fabs(highSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityA > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (highSampleL > 0) highSampleL = (highSampleL*(1-outA))+(bridgerectifier*outA);
|
|
else highSampleL = (highSampleL*(1-outA))-(bridgerectifier*outA);
|
|
//blend according to densityA control
|
|
|
|
highSampleR *= (densityA+1.0);
|
|
bridgerectifier = fabs(highSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityA > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (highSampleR > 0) highSampleR = (highSampleR*(1-outA))+(bridgerectifier*outA);
|
|
else highSampleR = (highSampleR*(1-outA))-(bridgerectifier*outA);
|
|
//blend according to densityA control
|
|
|
|
midSampleL *= (densityB+1.0);
|
|
bridgerectifier = fabs(midSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityB > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (midSampleL > 0) midSampleL = (midSampleL*(1-outB))+(bridgerectifier*outB);
|
|
else midSampleL = (midSampleL*(1-outB))-(bridgerectifier*outB);
|
|
//blend according to densityB control
|
|
|
|
midSampleR *= (densityB+1.0);
|
|
bridgerectifier = fabs(midSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityB > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (midSampleR > 0) midSampleR = (midSampleR*(1-outB))+(bridgerectifier*outB);
|
|
else midSampleR = (midSampleR*(1-outB))-(bridgerectifier*outB);
|
|
//blend according to densityB control
|
|
|
|
bassSampleL *= (densityC+1.0);
|
|
bridgerectifier = fabs(bassSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityC > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (bassSampleL > 0) bassSampleL = (bassSampleL*(1-outC))+(bridgerectifier*outC);
|
|
else bassSampleL = (bassSampleL*(1-outC))-(bridgerectifier*outC);
|
|
//blend according to densityC control
|
|
|
|
bassSampleR *= (densityC+1.0);
|
|
bridgerectifier = fabs(bassSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityC > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (bassSampleR > 0) bassSampleR = (bassSampleR*(1-outC))+(bridgerectifier*outC);
|
|
else bassSampleR = (bassSampleR*(1-outC))-(bridgerectifier*outC);
|
|
//blend according to densityC control
|
|
|
|
inputSampleL = midSampleL;
|
|
inputSampleL += highSampleL;
|
|
inputSampleL += bassSampleL;
|
|
|
|
inputSampleR = midSampleR;
|
|
inputSampleR += highSampleR;
|
|
inputSampleR += bassSampleR;
|
|
}
|
|
//end EQ
|
|
|
|
//begin Timing
|
|
if (engageTiming)
|
|
{
|
|
if (count < 1 || count > 2048) count = 2048;
|
|
|
|
pL[count+2048] = pL[count] = inputSampleL;
|
|
pR[count+2048] = pR[count] = inputSampleR;
|
|
|
|
inputSampleL = pL[count+near]*nearLevel;
|
|
inputSampleR = pR[count+near]*nearLevel;
|
|
|
|
inputSampleL += pL[count+far]*farLevel;
|
|
inputSampleR += pR[count+far]*farLevel;
|
|
|
|
count -= 1;
|
|
//consider adding third sample just to bring out superhighs subtly, like old interpolation hacks
|
|
//or third and fifth samples, ditto
|
|
}
|
|
//end Timing
|
|
|
|
//EQ lowpass is after all processing like the compressor that might produce hash
|
|
if (engageLowpass)
|
|
{
|
|
if (flip)
|
|
{
|
|
lowpassSampleLAA = (lowpassSampleLAA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLAA;
|
|
lowpassSampleLBA = (lowpassSampleLBA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLBA;
|
|
lowpassSampleLCA = (lowpassSampleLCA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLCA;
|
|
lowpassSampleLDA = (lowpassSampleLDA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLDA;
|
|
lowpassSampleLE = (lowpassSampleLE * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLE;
|
|
|
|
lowpassSampleRAA = (lowpassSampleRAA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRAA;
|
|
lowpassSampleRBA = (lowpassSampleRBA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRBA;
|
|
lowpassSampleRCA = (lowpassSampleRCA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRCA;
|
|
lowpassSampleRDA = (lowpassSampleRDA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRDA;
|
|
lowpassSampleRE = (lowpassSampleRE * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRE;
|
|
}
|
|
else
|
|
{
|
|
lowpassSampleLAB = (lowpassSampleLAB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLAB;
|
|
lowpassSampleLBB = (lowpassSampleLBB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLBB;
|
|
lowpassSampleLCB = (lowpassSampleLCB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLCB;
|
|
lowpassSampleLDB = (lowpassSampleLDB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLDB;
|
|
lowpassSampleLF = (lowpassSampleLF * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLF;
|
|
|
|
lowpassSampleRAB = (lowpassSampleRAB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRAB;
|
|
lowpassSampleRBB = (lowpassSampleRBB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRBB;
|
|
lowpassSampleRCB = (lowpassSampleRCB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRCB;
|
|
lowpassSampleRDB = (lowpassSampleRDB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRDB;
|
|
lowpassSampleRF = (lowpassSampleRF * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRF;
|
|
}
|
|
lowpassSampleLG = (lowpassSampleLG * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
lowpassSampleRG = (lowpassSampleRG * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
|
|
inputSampleL = (lowpassSampleLG * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleR = (lowpassSampleRG * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
}
|
|
|
|
//built in output trim and dry/wet if desired
|
|
if (outputgain != 1.0) {
|
|
inputSampleL *= outputgain;
|
|
inputSampleR *= outputgain;
|
|
}
|
|
|
|
//begin 32 bit stereo floating point dither
|
|
int expon; frexpf((float)inputSampleL, &expon);
|
|
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
|
|
inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
|
|
frexpf((float)inputSampleR, &expon);
|
|
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
|
|
inputSampleR += ((double(fpdR)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
|
|
//end 32 bit stereo floating point dither
|
|
|
|
*out1 = inputSampleL;
|
|
*out2 = inputSampleR;
|
|
|
|
*in1++;
|
|
*in2++;
|
|
*out1++;
|
|
*out2++;
|
|
}
|
|
}
|
|
|
|
void CStrip::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;
|
|
double compscale = overallscale;
|
|
overallscale = getSampleRate();
|
|
compscale = compscale * overallscale;
|
|
//compscale is the one that's 1 or something like 2.2 for 96K rates
|
|
double fpOld = 0.618033988749894848204586; //golden ratio!
|
|
double fpNew = 1.0 - fpOld;
|
|
double inputSampleL;
|
|
double inputSampleR;
|
|
|
|
double highSampleL = 0.0;
|
|
double midSampleL = 0.0;
|
|
double bassSampleL = 0.0;
|
|
|
|
double highSampleR = 0.0;
|
|
double midSampleR = 0.0;
|
|
double bassSampleR = 0.0;
|
|
|
|
double densityA = (A*12.0)-6.0;
|
|
double densityB = (B*12.0)-6.0;
|
|
double densityC = (C*12.0)-6.0;
|
|
bool engageEQ = true;
|
|
if ( (0.0 == densityA) && (0.0 == densityB) && (0.0 == densityC) ) engageEQ = false;
|
|
|
|
densityA = pow(10.0,densityA/20.0)-1.0;
|
|
densityB = pow(10.0,densityB/20.0)-1.0;
|
|
densityC = pow(10.0,densityC/20.0)-1.0;
|
|
//convert to 0 to X multiplier with 1.0 being O db
|
|
//minus one gives nearly -1 to ? (should top out at 1)
|
|
//calibrate so that X db roughly equals X db with maximum topping out at 1 internally
|
|
|
|
double tripletIntensity = -densityA;
|
|
|
|
double iirAmountC = (((D*D*15.0)+1.0)*0.0188) + 0.7;
|
|
if (iirAmountC > 1.0) iirAmountC = 1.0;
|
|
bool engageLowpass = false;
|
|
if (((D*D*15.0)+1.0) < 15.99) engageLowpass = true;
|
|
|
|
double iirAmountA = (((E*E*15.0)+1.0)*1000)/overallscale;
|
|
double iirAmountB = (((F*F*1570.0)+30.0)*10)/overallscale;
|
|
double iirAmountD = (((G*G*1570.0)+30.0)*1.0)/overallscale;
|
|
bool engageHighpass = false;
|
|
if (((G*G*1570.0)+30.0) > 30.01) engageHighpass = true;
|
|
//bypass the highpass and lowpass if set to extremes
|
|
double bridgerectifier;
|
|
double outA = fabs(densityA);
|
|
double outB = fabs(densityB);
|
|
double outC = fabs(densityC);
|
|
//end EQ
|
|
//begin Gate
|
|
double onthreshold = (pow(H,4)/3)+0.00018;
|
|
double offthreshold = onthreshold * 1.1;
|
|
bool engageGate = false;
|
|
if (onthreshold > 0.00018) engageGate = true;
|
|
|
|
double release = 0.028331119964586;
|
|
double absmax = 220.9;
|
|
//speed to be compensated w.r.t sample rate
|
|
//end Gate
|
|
//begin Timing
|
|
double offset = pow(K,5) * 700;
|
|
int near = (int)floor(fabs(offset));
|
|
double farLevel = fabs(offset) - near;
|
|
int far = near + 1;
|
|
double nearLevel = 1.0 - farLevel;
|
|
bool engageTiming = false;
|
|
if (offset > 0.0) engageTiming = true;
|
|
//end Timing
|
|
//begin ButterComp
|
|
double inputpos;
|
|
double inputneg;
|
|
double calcpos;
|
|
double calcneg;
|
|
double outputpos;
|
|
double outputneg;
|
|
double totalmultiplier;
|
|
double inputgain = (pow(I,4)*35)+1.0;
|
|
double compoutgain = inputgain;
|
|
compoutgain -= 1.0;
|
|
compoutgain /= 1.2;
|
|
compoutgain += 1.0;
|
|
double divisor = (0.008 * pow(J,2))+0.0004;
|
|
//originally 0.012
|
|
divisor /= compscale;
|
|
double remainder = divisor;
|
|
divisor = 1.0 - divisor;
|
|
bool engageComp = false;
|
|
if (inputgain > 1.0) engageComp = true;
|
|
//end ButterComp
|
|
double outputgain = pow(10.0,((L*36.0)-18.0)/20.0);
|
|
|
|
|
|
while (--sampleFrames >= 0)
|
|
{
|
|
inputSampleL = *in1;
|
|
inputSampleR = *in2;
|
|
if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
|
|
if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
|
|
|
|
last2SampleL = lastSampleL;
|
|
lastSampleL = inputSampleL;
|
|
|
|
last2SampleR = lastSampleR;
|
|
lastSampleR = inputSampleR;
|
|
|
|
//begin Gate
|
|
if (engageGate)
|
|
{
|
|
if (inputSampleL > 0)
|
|
{if (WasNegativeL == true){ZeroCrossL = absmax * 0.3;}
|
|
WasNegativeL = false;}
|
|
else
|
|
{ZeroCrossL += 1; WasNegativeL = true;}
|
|
|
|
if (inputSampleR > 0)
|
|
{if (WasNegativeR == true){ZeroCrossR = absmax * 0.3;}
|
|
WasNegativeR = false;}
|
|
else
|
|
{ZeroCrossR += 1; WasNegativeR = true;}
|
|
|
|
if (ZeroCrossL > absmax)
|
|
{ZeroCrossL = absmax;}
|
|
|
|
if (ZeroCrossR > absmax)
|
|
{ZeroCrossR = absmax;}
|
|
|
|
if (gateL == 0.0)
|
|
{
|
|
//if gate is totally silent
|
|
if (fabs(inputSampleL) > onthreshold)
|
|
{
|
|
if (gaterollerL == 0.0) gaterollerL = ZeroCrossL;
|
|
else gaterollerL -= release;
|
|
// trigger from total silence only- if we're active then signal must clear offthreshold
|
|
}
|
|
else gaterollerL -= release;
|
|
}
|
|
else
|
|
{
|
|
//gate is not silent but closing
|
|
if (fabs(inputSampleL) > offthreshold)
|
|
{
|
|
if (gaterollerL < ZeroCrossL) gaterollerL = ZeroCrossL;
|
|
else gaterollerL -= release;
|
|
//always trigger if gate is over offthreshold, otherwise close anyway
|
|
}
|
|
else gaterollerL -= release;
|
|
}
|
|
|
|
if (gateR == 0.0)
|
|
{
|
|
//if gate is totally silent
|
|
if (fabs(inputSampleR) > onthreshold)
|
|
{
|
|
if (gaterollerR == 0.0) gaterollerR = ZeroCrossR;
|
|
else gaterollerR -= release;
|
|
// trigger from total silence only- if we're active then signal must clear offthreshold
|
|
}
|
|
else gaterollerR -= release;
|
|
}
|
|
else
|
|
{
|
|
//gate is not silent but closing
|
|
if (fabs(inputSampleR) > offthreshold)
|
|
{
|
|
if (gaterollerR < ZeroCrossR) gaterollerR = ZeroCrossR;
|
|
else gaterollerR -= release;
|
|
//always trigger if gate is over offthreshold, otherwise close anyway
|
|
}
|
|
else gaterollerR -= release;
|
|
}
|
|
|
|
if (gaterollerL < 0.0)
|
|
{gaterollerL = 0.0;}
|
|
if (gaterollerR < 0.0)
|
|
{gaterollerR = 0.0;}
|
|
|
|
if (gaterollerL < 1.0)
|
|
{
|
|
gateL = gaterollerL;
|
|
bridgerectifier = 1-cos(fabs(inputSampleL));
|
|
if (inputSampleL > 0) inputSampleL = (inputSampleL*gateL)+(bridgerectifier*(1.0-gateL));
|
|
else inputSampleL = (inputSampleL*gateL)-(bridgerectifier*(1.0-gateL));
|
|
if (gateL == 0.0) inputSampleL = 0.0;
|
|
}
|
|
else
|
|
{gateL = 1.0;}
|
|
|
|
if (gaterollerR < 1.0)
|
|
{
|
|
gateR = gaterollerR;
|
|
bridgerectifier = 1-cos(fabs(inputSampleR));
|
|
if (inputSampleR > 0) inputSampleR = (inputSampleR*gateR)+(bridgerectifier*(1.0-gateR));
|
|
else inputSampleR = (inputSampleR*gateR)-(bridgerectifier*(1.0-gateR));
|
|
if (gateR == 0.0) inputSampleR = 0.0;
|
|
}
|
|
else
|
|
{gateR = 1.0;}
|
|
}
|
|
//end Gate, begin antialiasing
|
|
|
|
flip = !flip;
|
|
flipthree++;
|
|
if (flipthree < 1 || flipthree > 3) flipthree = 1;
|
|
//counters
|
|
|
|
//begin highpass
|
|
if (engageHighpass)
|
|
{
|
|
if (flip)
|
|
{
|
|
highpassSampleLAA = (highpassSampleLAA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLAA;
|
|
highpassSampleLBA = (highpassSampleLBA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLBA;
|
|
highpassSampleLCA = (highpassSampleLCA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLCA;
|
|
highpassSampleLDA = (highpassSampleLDA * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLDA;
|
|
}
|
|
else
|
|
{
|
|
highpassSampleLAB = (highpassSampleLAB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLAB;
|
|
highpassSampleLBB = (highpassSampleLBB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLBB;
|
|
highpassSampleLCB = (highpassSampleLCB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLCB;
|
|
highpassSampleLDB = (highpassSampleLDB * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLDB;
|
|
}
|
|
highpassSampleLE = (highpassSampleLE * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLE;
|
|
highpassSampleLF = (highpassSampleLF * (1.0 - iirAmountD)) + (inputSampleL * iirAmountD);
|
|
inputSampleL -= highpassSampleLF;
|
|
|
|
if (flip)
|
|
{
|
|
highpassSampleRAA = (highpassSampleRAA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRAA;
|
|
highpassSampleRBA = (highpassSampleRBA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRBA;
|
|
highpassSampleRCA = (highpassSampleRCA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRCA;
|
|
highpassSampleRDA = (highpassSampleRDA * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRDA;
|
|
}
|
|
else
|
|
{
|
|
highpassSampleRAB = (highpassSampleRAB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRAB;
|
|
highpassSampleRBB = (highpassSampleRBB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRBB;
|
|
highpassSampleRCB = (highpassSampleRCB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRCB;
|
|
highpassSampleRDB = (highpassSampleRDB * (1.0 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRDB;
|
|
}
|
|
highpassSampleRE = (highpassSampleRE * (1 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRE;
|
|
highpassSampleRF = (highpassSampleRF * (1 - iirAmountD)) + (inputSampleR * iirAmountD);
|
|
inputSampleR -= highpassSampleRF;
|
|
|
|
}
|
|
//end highpass
|
|
|
|
//begin compressor
|
|
if (engageComp)
|
|
{
|
|
//begin L
|
|
inputSampleL *= inputgain;
|
|
|
|
inputpos = (inputSampleL * fpOld) + (avgLA * fpNew) + 1.0;
|
|
avgLA = inputSampleL;
|
|
|
|
if (inputpos < 0.0) inputpos = 0.0;
|
|
outputpos = inputpos / 2.0;
|
|
if (outputpos > 1.0) outputpos = 1.0;
|
|
inputpos *= inputpos;
|
|
targetposL *= divisor;
|
|
targetposL += (inputpos * remainder);
|
|
calcpos = pow((1.0/targetposL),2);
|
|
|
|
inputneg = (-inputSampleL * fpOld) + (nvgLA * fpNew) + 1.0;
|
|
nvgLA = -inputSampleL;
|
|
|
|
if (inputneg < 0.0) inputneg = 0.0;
|
|
outputneg = inputneg / 2.0;
|
|
if (outputneg > 1.0) outputneg = 1.0;
|
|
inputneg *= inputneg;
|
|
targetnegL *= divisor;
|
|
targetnegL += (inputneg * remainder);
|
|
calcneg = pow((1.0/targetnegL),2);
|
|
//now we have mirrored targets for comp
|
|
//outputpos and outputneg go from 0 to 1
|
|
|
|
if (inputSampleL > 0)
|
|
{ //working on pos
|
|
if (true == flip)
|
|
{
|
|
controlAposL *= divisor;
|
|
controlAposL += (calcpos*remainder);
|
|
|
|
}
|
|
else
|
|
{
|
|
controlBposL *= divisor;
|
|
controlBposL += (calcpos*remainder);
|
|
}
|
|
}
|
|
else
|
|
{ //working on neg
|
|
if (true == flip)
|
|
{
|
|
controlAnegL *= divisor;
|
|
controlAnegL += (calcneg*remainder);
|
|
}
|
|
else
|
|
{
|
|
controlBnegL *= divisor;
|
|
controlBnegL += (calcneg*remainder);
|
|
}
|
|
}
|
|
//this causes each of the four to update only when active and in the correct 'flip'
|
|
|
|
if (true == flip)
|
|
{totalmultiplier = (controlAposL * outputpos) + (controlAnegL * outputneg);}
|
|
else
|
|
{totalmultiplier = (controlBposL * outputpos) + (controlBnegL * outputneg);}
|
|
//this combines the sides according to flip, blending relative to the input value
|
|
|
|
inputSampleL *= totalmultiplier;
|
|
inputSampleL /= compoutgain;
|
|
//end L
|
|
|
|
//begin R
|
|
inputSampleR *= inputgain;
|
|
|
|
inputpos = (inputSampleR * fpOld) + (avgRA * fpNew) + 1.0;
|
|
avgRA = inputSampleR;
|
|
|
|
if (inputpos < 0.0) inputpos = 0.0;
|
|
outputpos = inputpos / 2.0;
|
|
if (outputpos > 1.0) outputpos = 1.0;
|
|
inputpos *= inputpos;
|
|
targetposR *= divisor;
|
|
targetposR += (inputpos * remainder);
|
|
calcpos = pow((1.0/targetposR),2);
|
|
|
|
inputneg = (-inputSampleR * fpOld) + (nvgRA * fpNew) + 1.0;
|
|
nvgRA = -inputSampleR;
|
|
|
|
if (inputneg < 0.0) inputneg = 0.0;
|
|
outputneg = inputneg / 2.0;
|
|
if (outputneg > 1.0) outputneg = 1.0;
|
|
inputneg *= inputneg;
|
|
targetnegR *= divisor;
|
|
targetnegR += (inputneg * remainder);
|
|
calcneg = pow((1.0/targetnegR),2);
|
|
//now we have mirrored targets for comp
|
|
//outputpos and outputneg go from 0 to 1
|
|
|
|
if (inputSampleR > 0)
|
|
{ //working on pos
|
|
if (true == flip)
|
|
{
|
|
controlAposR *= divisor;
|
|
controlAposR += (calcpos*remainder);
|
|
|
|
}
|
|
else
|
|
{
|
|
controlBposR *= divisor;
|
|
controlBposR += (calcpos*remainder);
|
|
}
|
|
}
|
|
else
|
|
{ //working on neg
|
|
if (true == flip)
|
|
{
|
|
controlAnegR *= divisor;
|
|
controlAnegR += (calcneg*remainder);
|
|
}
|
|
else
|
|
{
|
|
controlBnegR *= divisor;
|
|
controlBnegR += (calcneg*remainder);
|
|
}
|
|
}
|
|
//this causes each of the four to update only when active and in the correct 'flip'
|
|
|
|
if (true == flip)
|
|
{totalmultiplier = (controlAposR * outputpos) + (controlAnegR * outputneg);}
|
|
else
|
|
{totalmultiplier = (controlBposR * outputpos) + (controlBnegR * outputneg);}
|
|
//this combines the sides according to flip, blending relative to the input value
|
|
|
|
inputSampleR *= totalmultiplier;
|
|
inputSampleR /= compoutgain;
|
|
//end R
|
|
}
|
|
//end compressor
|
|
|
|
//begin EQ
|
|
if (engageEQ)
|
|
{
|
|
switch (flipthree)
|
|
{
|
|
case 1:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLA += tripletFactorL;
|
|
tripletLC -= tripletFactorL;
|
|
tripletFactorL = tripletLA * tripletIntensity;
|
|
iirHighSampleLC = (iirHighSampleLC * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLC;
|
|
iirLowSampleLC = (iirLowSampleLC * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLC;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRA += tripletFactorR;
|
|
tripletRC -= tripletFactorR;
|
|
tripletFactorR = tripletRA * tripletIntensity;
|
|
iirHighSampleRC = (iirHighSampleRC * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRC;
|
|
iirLowSampleRC = (iirLowSampleRC * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRC;
|
|
break;
|
|
case 2:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLB += tripletFactorL;
|
|
tripletLA -= tripletFactorL;
|
|
tripletFactorL = tripletLB * tripletIntensity;
|
|
iirHighSampleLD = (iirHighSampleLD * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLD;
|
|
iirLowSampleLD = (iirLowSampleLD * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLD;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRB += tripletFactorR;
|
|
tripletRA -= tripletFactorR;
|
|
tripletFactorR = tripletRB * tripletIntensity;
|
|
iirHighSampleRD = (iirHighSampleRD * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRD;
|
|
iirLowSampleRD = (iirLowSampleRD * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRD;
|
|
break;
|
|
case 3:
|
|
tripletFactorL = last2SampleL - inputSampleL;
|
|
tripletLC += tripletFactorL;
|
|
tripletLB -= tripletFactorL;
|
|
tripletFactorL = tripletLC * tripletIntensity;
|
|
iirHighSampleLE = (iirHighSampleLE * (1.0 - iirAmountA)) + (inputSampleL * iirAmountA);
|
|
highSampleL = inputSampleL - iirHighSampleLE;
|
|
iirLowSampleLE = (iirLowSampleLE * (1.0 - iirAmountB)) + (inputSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLE;
|
|
|
|
tripletFactorR = last2SampleR - inputSampleR;
|
|
tripletRC += tripletFactorR;
|
|
tripletRB -= tripletFactorR;
|
|
tripletFactorR = tripletRC * tripletIntensity;
|
|
iirHighSampleRE = (iirHighSampleRE * (1.0 - iirAmountA)) + (inputSampleR * iirAmountA);
|
|
highSampleR = inputSampleR - iirHighSampleRE;
|
|
iirLowSampleRE = (iirLowSampleRE * (1.0 - iirAmountB)) + (inputSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRE;
|
|
break;
|
|
}
|
|
tripletLA /= 2.0;
|
|
tripletLB /= 2.0;
|
|
tripletLC /= 2.0;
|
|
highSampleL = highSampleL + tripletFactorL;
|
|
|
|
tripletRA /= 2.0;
|
|
tripletRB /= 2.0;
|
|
tripletRC /= 2.0;
|
|
highSampleR = highSampleR + tripletFactorR;
|
|
|
|
if (flip)
|
|
{
|
|
iirHighSampleLA = (iirHighSampleLA * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleLA;
|
|
iirLowSampleLA = (iirLowSampleLA * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLA;
|
|
|
|
iirHighSampleRA = (iirHighSampleRA * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleRA;
|
|
iirLowSampleRA = (iirLowSampleRA * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRA;
|
|
}
|
|
else
|
|
{
|
|
iirHighSampleLB = (iirHighSampleLB * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleLB;
|
|
iirLowSampleLB = (iirLowSampleLB * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleLB;
|
|
|
|
iirHighSampleRB = (iirHighSampleRB * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleRB;
|
|
iirLowSampleRB = (iirLowSampleRB * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleRB;
|
|
}
|
|
|
|
iirHighSampleL = (iirHighSampleL * (1.0 - iirAmountA)) + (highSampleL * iirAmountA);
|
|
highSampleL -= iirHighSampleL;
|
|
iirLowSampleL = (iirLowSampleL * (1.0 - iirAmountB)) + (bassSampleL * iirAmountB);
|
|
bassSampleL = iirLowSampleL;
|
|
|
|
iirHighSampleR = (iirHighSampleR * (1.0 - iirAmountA)) + (highSampleR * iirAmountA);
|
|
highSampleR -= iirHighSampleR;
|
|
iirLowSampleR = (iirLowSampleR * (1.0 - iirAmountB)) + (bassSampleR * iirAmountB);
|
|
bassSampleR = iirLowSampleR;
|
|
|
|
midSampleL = (inputSampleL-bassSampleL)-highSampleL;
|
|
midSampleR = (inputSampleR-bassSampleR)-highSampleR;
|
|
|
|
//drive section
|
|
highSampleL *= (densityA+1.0);
|
|
bridgerectifier = fabs(highSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityA > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (highSampleL > 0) highSampleL = (highSampleL*(1-outA))+(bridgerectifier*outA);
|
|
else highSampleL = (highSampleL*(1-outA))-(bridgerectifier*outA);
|
|
//blend according to densityA control
|
|
|
|
highSampleR *= (densityA+1.0);
|
|
bridgerectifier = fabs(highSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityA > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (highSampleR > 0) highSampleR = (highSampleR*(1-outA))+(bridgerectifier*outA);
|
|
else highSampleR = (highSampleR*(1-outA))-(bridgerectifier*outA);
|
|
//blend according to densityA control
|
|
|
|
midSampleL *= (densityB+1.0);
|
|
bridgerectifier = fabs(midSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityB > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (midSampleL > 0) midSampleL = (midSampleL*(1-outB))+(bridgerectifier*outB);
|
|
else midSampleL = (midSampleL*(1-outB))-(bridgerectifier*outB);
|
|
//blend according to densityB control
|
|
|
|
midSampleR *= (densityB+1.0);
|
|
bridgerectifier = fabs(midSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityB > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (midSampleR > 0) midSampleR = (midSampleR*(1-outB))+(bridgerectifier*outB);
|
|
else midSampleR = (midSampleR*(1-outB))-(bridgerectifier*outB);
|
|
//blend according to densityB control
|
|
|
|
bassSampleL *= (densityC+1.0);
|
|
bridgerectifier = fabs(bassSampleL)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityC > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (bassSampleL > 0) bassSampleL = (bassSampleL*(1-outC))+(bridgerectifier*outC);
|
|
else bassSampleL = (bassSampleL*(1-outC))-(bridgerectifier*outC);
|
|
//blend according to densityC control
|
|
|
|
bassSampleR *= (densityC+1.0);
|
|
bridgerectifier = fabs(bassSampleR)*1.57079633;
|
|
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
|
|
//max value for sine function
|
|
if (densityC > 0) bridgerectifier = sin(bridgerectifier);
|
|
else bridgerectifier = 1-cos(bridgerectifier);
|
|
//produce either boosted or starved version
|
|
if (bassSampleR > 0) bassSampleR = (bassSampleR*(1-outC))+(bridgerectifier*outC);
|
|
else bassSampleR = (bassSampleR*(1-outC))-(bridgerectifier*outC);
|
|
//blend according to densityC control
|
|
|
|
inputSampleL = midSampleL;
|
|
inputSampleL += highSampleL;
|
|
inputSampleL += bassSampleL;
|
|
|
|
inputSampleR = midSampleR;
|
|
inputSampleR += highSampleR;
|
|
inputSampleR += bassSampleR;
|
|
}
|
|
//end EQ
|
|
|
|
//begin Timing
|
|
if (engageTiming)
|
|
{
|
|
if (count < 1 || count > 2048) count = 2048;
|
|
|
|
pL[count+2048] = pL[count] = inputSampleL;
|
|
pR[count+2048] = pR[count] = inputSampleR;
|
|
|
|
inputSampleL = pL[count+near]*nearLevel;
|
|
inputSampleR = pR[count+near]*nearLevel;
|
|
|
|
inputSampleL += pL[count+far]*farLevel;
|
|
inputSampleR += pR[count+far]*farLevel;
|
|
|
|
count -= 1;
|
|
//consider adding third sample just to bring out superhighs subtly, like old interpolation hacks
|
|
//or third and fifth samples, ditto
|
|
}
|
|
//end Timing
|
|
|
|
//EQ lowpass is after all processing like the compressor that might produce hash
|
|
if (engageLowpass)
|
|
{
|
|
if (flip)
|
|
{
|
|
lowpassSampleLAA = (lowpassSampleLAA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLAA;
|
|
lowpassSampleLBA = (lowpassSampleLBA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLBA;
|
|
lowpassSampleLCA = (lowpassSampleLCA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLCA;
|
|
lowpassSampleLDA = (lowpassSampleLDA * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLDA;
|
|
lowpassSampleLE = (lowpassSampleLE * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLE;
|
|
|
|
lowpassSampleRAA = (lowpassSampleRAA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRAA;
|
|
lowpassSampleRBA = (lowpassSampleRBA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRBA;
|
|
lowpassSampleRCA = (lowpassSampleRCA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRCA;
|
|
lowpassSampleRDA = (lowpassSampleRDA * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRDA;
|
|
lowpassSampleRE = (lowpassSampleRE * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRE;
|
|
}
|
|
else
|
|
{
|
|
lowpassSampleLAB = (lowpassSampleLAB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLAB;
|
|
lowpassSampleLBB = (lowpassSampleLBB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLBB;
|
|
lowpassSampleLCB = (lowpassSampleLCB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLCB;
|
|
lowpassSampleLDB = (lowpassSampleLDB * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLDB;
|
|
lowpassSampleLF = (lowpassSampleLF * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleL = lowpassSampleLF;
|
|
|
|
lowpassSampleRAB = (lowpassSampleRAB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRAB;
|
|
lowpassSampleRBB = (lowpassSampleRBB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRBB;
|
|
lowpassSampleRCB = (lowpassSampleRCB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRCB;
|
|
lowpassSampleRDB = (lowpassSampleRDB * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRDB;
|
|
lowpassSampleRF = (lowpassSampleRF * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
inputSampleR = lowpassSampleRF;
|
|
}
|
|
lowpassSampleLG = (lowpassSampleLG * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
lowpassSampleRG = (lowpassSampleRG * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
|
|
inputSampleL = (lowpassSampleLG * (1.0 - iirAmountC)) + (inputSampleL * iirAmountC);
|
|
inputSampleR = (lowpassSampleRG * (1.0 - iirAmountC)) + (inputSampleR * iirAmountC);
|
|
}
|
|
|
|
//built in output trim and dry/wet if desired
|
|
if (outputgain != 1.0) {
|
|
inputSampleL *= outputgain;
|
|
inputSampleR *= outputgain;
|
|
}
|
|
|
|
//begin 64 bit stereo floating point dither
|
|
//int expon; frexp((double)inputSampleL, &expon);
|
|
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
|
|
//inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62));
|
|
//frexp((double)inputSampleR, &expon);
|
|
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
|
|
//inputSampleR += ((double(fpdR)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62));
|
|
//end 64 bit stereo floating point dither
|
|
|
|
*out1 = inputSampleL;
|
|
*out2 = inputSampleR;
|
|
|
|
*in1++;
|
|
*in2++;
|
|
*out1++;
|
|
*out2++;
|
|
}
|
|
} |