mirror of
https://github.com/airwindows/airwindows.git
synced 2026-05-16 14:16:02 -06:00
270 lines
8.5 KiB
C++
Executable file
270 lines
8.5 KiB
C++
Executable file
/* ========================================
|
|
* TexturizeMS - TexturizeMS.h
|
|
* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
|
|
* ======================================== */
|
|
|
|
#ifndef __TexturizeMS_H
|
|
#include "TexturizeMS.h"
|
|
#endif
|
|
|
|
void TexturizeMS::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 slewAmountM = ((pow(A,2.0)*4.0)+0.71)/overallscale;
|
|
double dynAmountM = pow(B,2.0);
|
|
double wetM = pow(C,5);
|
|
|
|
double slewAmountS = ((pow(D,2.0)*4.0)+0.71)/overallscale;
|
|
double dynAmountS = pow(E,2.0);
|
|
double wetS = pow(F,5);
|
|
|
|
while (--sampleFrames >= 0)
|
|
{
|
|
double inputSampleL = *in1;
|
|
double inputSampleR = *in2;
|
|
if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
|
|
if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
|
|
|
|
double mid = inputSampleL + inputSampleR;
|
|
double side = inputSampleL - inputSampleR;
|
|
//assign mid and side.Between these sections, you can do mid/side processing
|
|
double drySampleM = mid;
|
|
double drySampleS = side;
|
|
|
|
//begin mid
|
|
if (mid < 0) {
|
|
if (polarityM == true) {
|
|
if (noiseAM < 0) flipM = true;
|
|
else flipM = false;
|
|
}
|
|
polarityM = false;
|
|
} else polarityM = true;
|
|
|
|
if (flipM) noiseAM += (double(fpdL)/UINT32_MAX);
|
|
else noiseAM -= (double(fpdL)/UINT32_MAX);
|
|
//here's the guts of the random walk
|
|
flipM = !flipM;
|
|
|
|
if (mid > 1.0) mid = 1.0; if (mid < -1.0) mid = -1.0;
|
|
if (dynAmountM < 0.4999) mid = (mid*dynAmountM*2.0) + (sin(mid)*(1.0-(dynAmountM*2.0)));
|
|
if (dynAmountM > 0.5001) mid = (asin(mid)*((dynAmountM*2.0)-1.0)) + (mid*(1.0-((dynAmountM*2.0)-1.0)));
|
|
//doing this in two steps means I get to not run an extra sin/asin function per sample
|
|
|
|
noiseBM = sin(noiseAM*(0.2-(dynAmountM*0.125))*fabs(mid));
|
|
|
|
double slew = fabs(mid-lastSampleM)*slewAmountM;
|
|
lastSampleM = mid*(0.86-(dynAmountM*0.125));
|
|
|
|
if (slew > 1.0) slew = 1.0;
|
|
double iirIntensity = slew;
|
|
iirIntensity *= 2.472;
|
|
iirIntensity *= iirIntensity;
|
|
if (iirIntensity > 1.0) iirIntensity = 1.0;
|
|
|
|
iirSampleM = (iirSampleM * (1.0 - iirIntensity)) + (noiseBM * iirIntensity);
|
|
noiseBM = iirSampleM;
|
|
noiseBM = (noiseBM * slew) + (noiseCM * (1.0-slew));
|
|
noiseCM = noiseBM;
|
|
|
|
mid = (noiseCM * wetM) + (drySampleM * (1.0-wetM));
|
|
//end mid
|
|
|
|
//begin side
|
|
if (side < 0) {
|
|
if (polarityS == true) {
|
|
if (noiseAS < 0) flipS = true;
|
|
else flipS = false;
|
|
}
|
|
polarityS = false;
|
|
} else polarityS = true;
|
|
|
|
if (flipS) noiseAS += (double(fpdR)/UINT32_MAX);
|
|
else noiseAS -= (double(fpdR)/UINT32_MAX);
|
|
//here's the guts of the random walk
|
|
flipS = !flipS;
|
|
|
|
if (side > 1.0) side = 1.0; if (side < -1.0) side = -1.0;
|
|
if (dynAmountS < 0.4999) side = (side*dynAmountS*2.0) + (sin(side)*(1.0-(dynAmountS*2.0)));
|
|
if (dynAmountS > 0.5001) side = (asin(side)*((dynAmountS*2.0)-1.0)) + (side*(1.0-((dynAmountS*2.0)-1.0)));
|
|
//doing this in two steps means I get to not run an extra sin/asin function per sample
|
|
|
|
noiseBS = sin(noiseAS*(0.2-(dynAmountS*0.125))*fabs(side));
|
|
|
|
slew = fabs(side-lastSampleS)*slewAmountS;
|
|
lastSampleS = side*(0.86-(dynAmountS*0.125));
|
|
|
|
if (slew > 1.0) slew = 1.0;
|
|
iirIntensity = slew;
|
|
iirIntensity *= 2.472;
|
|
iirIntensity *= iirIntensity;
|
|
if (iirIntensity > 1.0) iirIntensity = 1.0;
|
|
|
|
iirSampleS = (iirSampleS * (1.0 - iirIntensity)) + (noiseBS * iirIntensity);
|
|
noiseBS = iirSampleS;
|
|
noiseBS = (noiseBS * slew) + (noiseCS * (1.0-slew));
|
|
noiseCS = noiseBS;
|
|
|
|
side = (noiseCS * wetS) + (drySampleS * (1.0-wetS));
|
|
//end side
|
|
|
|
inputSampleL = (mid+side)/2.0;
|
|
inputSampleR = (mid-side)/2.0;
|
|
//unassign mid and side
|
|
|
|
//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 TexturizeMS::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 slewAmountM = ((pow(A,2.0)*4.0)+0.71)/overallscale;
|
|
double dynAmountM = pow(B,2.0);
|
|
double wetM = pow(C,5);
|
|
|
|
double slewAmountS = ((pow(D,2.0)*4.0)+0.71)/overallscale;
|
|
double dynAmountS = pow(E,2.0);
|
|
double wetS = pow(F,5);
|
|
|
|
while (--sampleFrames >= 0)
|
|
{
|
|
double inputSampleL = *in1;
|
|
double inputSampleR = *in2;
|
|
if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
|
|
if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
|
|
|
|
double mid = inputSampleL + inputSampleR;
|
|
double side = inputSampleL - inputSampleR;
|
|
//assign mid and side.Between these sections, you can do mid/side processing
|
|
double drySampleM = mid;
|
|
double drySampleS = side;
|
|
|
|
//begin mid
|
|
if (mid < 0) {
|
|
if (polarityM == true) {
|
|
if (noiseAM < 0) flipM = true;
|
|
else flipM = false;
|
|
}
|
|
polarityM = false;
|
|
} else polarityM = true;
|
|
|
|
if (flipM) noiseAM += (double(fpdL)/UINT32_MAX);
|
|
else noiseAM -= (double(fpdL)/UINT32_MAX);
|
|
//here's the guts of the random walk
|
|
flipM = !flipM;
|
|
|
|
if (mid > 1.0) mid = 1.0; if (mid < -1.0) mid = -1.0;
|
|
if (dynAmountM < 0.4999) mid = (mid*dynAmountM*2.0) + (sin(mid)*(1.0-(dynAmountM*2.0)));
|
|
if (dynAmountM > 0.5001) mid = (asin(mid)*((dynAmountM*2.0)-1.0)) + (mid*(1.0-((dynAmountM*2.0)-1.0)));
|
|
//doing this in two steps means I get to not run an extra sin/asin function per sample
|
|
|
|
noiseBM = sin(noiseAM*(0.2-(dynAmountM*0.125))*fabs(mid));
|
|
|
|
double slew = fabs(mid-lastSampleM)*slewAmountM;
|
|
lastSampleM = mid*(0.86-(dynAmountM*0.125));
|
|
|
|
if (slew > 1.0) slew = 1.0;
|
|
double iirIntensity = slew;
|
|
iirIntensity *= 2.472;
|
|
iirIntensity *= iirIntensity;
|
|
if (iirIntensity > 1.0) iirIntensity = 1.0;
|
|
|
|
iirSampleM = (iirSampleM * (1.0 - iirIntensity)) + (noiseBM * iirIntensity);
|
|
noiseBM = iirSampleM;
|
|
noiseBM = (noiseBM * slew) + (noiseCM * (1.0-slew));
|
|
noiseCM = noiseBM;
|
|
|
|
mid = (noiseCM * wetM) + (drySampleM * (1.0-wetM));
|
|
//end mid
|
|
|
|
//begin side
|
|
if (side < 0) {
|
|
if (polarityS == true) {
|
|
if (noiseAS < 0) flipS = true;
|
|
else flipS = false;
|
|
}
|
|
polarityS = false;
|
|
} else polarityS = true;
|
|
|
|
if (flipS) noiseAS += (double(fpdR)/UINT32_MAX);
|
|
else noiseAS -= (double(fpdR)/UINT32_MAX);
|
|
//here's the guts of the random walk
|
|
flipS = !flipS;
|
|
|
|
if (side > 1.0) side = 1.0; if (side < -1.0) side = -1.0;
|
|
if (dynAmountS < 0.4999) side = (side*dynAmountS*2.0) + (sin(side)*(1.0-(dynAmountS*2.0)));
|
|
if (dynAmountS > 0.5001) side = (asin(side)*((dynAmountS*2.0)-1.0)) + (side*(1.0-((dynAmountS*2.0)-1.0)));
|
|
//doing this in two steps means I get to not run an extra sin/asin function per sample
|
|
|
|
noiseBS = sin(noiseAS*(0.2-(dynAmountS*0.125))*fabs(side));
|
|
|
|
slew = fabs(side-lastSampleS)*slewAmountS;
|
|
lastSampleS = side*(0.86-(dynAmountS*0.125));
|
|
|
|
if (slew > 1.0) slew = 1.0;
|
|
iirIntensity = slew;
|
|
iirIntensity *= 2.472;
|
|
iirIntensity *= iirIntensity;
|
|
if (iirIntensity > 1.0) iirIntensity = 1.0;
|
|
|
|
iirSampleS = (iirSampleS * (1.0 - iirIntensity)) + (noiseBS * iirIntensity);
|
|
noiseBS = iirSampleS;
|
|
noiseBS = (noiseBS * slew) + (noiseCS * (1.0-slew));
|
|
noiseCS = noiseBS;
|
|
|
|
side = (noiseCS * wetS) + (drySampleS * (1.0-wetS));
|
|
//end side
|
|
|
|
inputSampleL = (mid+side)/2.0;
|
|
inputSampleR = (mid-side)/2.0;
|
|
//unassign mid and side
|
|
|
|
//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++;
|
|
}
|
|
}
|