/* ========================================
* Hombre - Hombre.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __Hombre_H
#include "Hombre.h"
#endif
void Hombre::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 target = A;
double offsetA;
double offsetB;
int widthA = (int)(1.0*overallscale);
int widthB = (int)(7.0*overallscale); //max 364 at 44.1, 792 at 96K
double wet = B;
double dry = 1.0 - wet;
double totalL;
double totalR;
int count;
long double inputSampleL;
long double inputSampleR;
double drySampleL;
double drySampleR;
while (--sampleFrames >= 0)
{
inputSampleL = *in1;
inputSampleR = *in2;
if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
static int noisesource = 0;
//this declares a variable before anything else is compiled. It won't keep assigning
//it to 0 for every sample, it's as if the declaration doesn't exist in this context,
//but it lets me add this denormalization fix in a single place rather than updating
//it in three different locations. The variable isn't thread-safe but this is only
//a random seed and we can share it with whatever.
noisesource = noisesource % 1700021; noisesource++;
int residue = noisesource * noisesource;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
double applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleL = applyresidue;
}
if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
static int noisesource = 0;
noisesource = noisesource % 1700021; noisesource++;
int residue = noisesource * noisesource;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
double applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleR = applyresidue;
//this denormalization routine produces a white noise at -300 dB which the noise
//shaping will interact with to produce a bipolar output, but the noise is actually
//all positive. That should stop any variables from going denormal, and the routine
//only kicks in if digital black is input. As a final touch, if you save to 24-bit
//the silence will return to being digital black again.
}
drySampleL = inputSampleL;
drySampleR = inputSampleR;
slide = (slide * 0.9997)+(target*0.0003);
offsetA = ((pow(slide,2)) * 77)+3.2;
offsetB = (3.85 * offsetA)+41;
offsetA *= overallscale;
offsetB *= overallscale;
//adjust for sample rate
if (gcount < 1 || gcount > 2000) {gcount = 2000;}
count = gcount;
pL[count+2000] = pL[count] = inputSampleL;
pR[count+2000] = pR[count] = inputSampleR;
//double buffer
count = (int)(gcount+floor(offsetA));
totalL = pL[count] * 0.391; //less as value moves away from .0
totalL += pL[count+widthA]; //we can assume always using this in one way or another?
totalL += pL[count+widthA+widthA] * 0.391; //greater as value moves away from .0
totalR = pR[count] * 0.391; //less as value moves away from .0
totalR += pR[count+widthA]; //we can assume always using this in one way or another?
totalR += pR[count+widthA+widthA] * 0.391; //greater as value moves away from .0
inputSampleL += ((totalL * 0.274));
inputSampleR += ((totalR * 0.274));
count = (int)(gcount+floor(offsetB));
totalL = pL[count] * 0.918; //less as value moves away from .0
totalL += pL[count+widthB]; //we can assume always using this in one way or another?
totalL += pL[count+widthB+widthB] * 0.918; //greater as value moves away from .0
totalR = pR[count] * 0.918; //less as value moves away from .0
totalR += pR[count+widthB]; //we can assume always using this in one way or another?
totalR += pR[count+widthB+widthB] * 0.918; //greater as value moves away from .0
inputSampleL -= ((totalL * 0.629));
inputSampleR -= ((totalR * 0.629));
inputSampleL /= 4;
inputSampleR /= 4;
gcount--;
//still scrolling through the samples, remember
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 Hombre::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 target = A;
double offsetA;
double offsetB;
int widthA = (int)(1.0*overallscale);
int widthB = (int)(7.0*overallscale); //max 364 at 44.1, 792 at 96K
double wet = B;
double dry = 1.0 - wet;
double totalL;
double totalR;
int count;
long double inputSampleL;
long double inputSampleR;
double drySampleL;
double drySampleR;
while (--sampleFrames >= 0)
{
inputSampleL = *in1;
inputSampleR = *in2;
if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) {
static int noisesource = 0;
//this declares a variable before anything else is compiled. It won't keep assigning
//it to 0 for every sample, it's as if the declaration doesn't exist in this context,
//but it lets me add this denormalization fix in a single place rather than updating
//it in three different locations. The variable isn't thread-safe but this is only
//a random seed and we can share it with whatever.
noisesource = noisesource % 1700021; noisesource++;
int residue = noisesource * noisesource;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
double applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleL = applyresidue;
}
if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) {
static int noisesource = 0;
noisesource = noisesource % 1700021; noisesource++;
int residue = noisesource * noisesource;
residue = residue % 170003; residue *= residue;
residue = residue % 17011; residue *= residue;
residue = residue % 1709; residue *= residue;
residue = residue % 173; residue *= residue;
residue = residue % 17;
double applyresidue = residue;
applyresidue *= 0.00000001;
applyresidue *= 0.00000001;
inputSampleR = applyresidue;
//this denormalization routine produces a white noise at -300 dB which the noise
//shaping will interact with to produce a bipolar output, but the noise is actually
//all positive. That should stop any variables from going denormal, and the routine
//only kicks in if digital black is input. As a final touch, if you save to 24-bit
//the silence will return to being digital black again.
}
drySampleL = inputSampleL;
drySampleR = inputSampleR;
slide = (slide * 0.9997)+(target*0.0003);
offsetA = ((pow(slide,2)) * 77)+3.2;
offsetB = (3.85 * offsetA)+41;
offsetA *= overallscale;
offsetB *= overallscale;
//adjust for sample rate
if (gcount < 1 || gcount > 2000) {gcount = 2000;}
count = gcount;
pL[count+2000] = pL[count] = inputSampleL;
pR[count+2000] = pR[count] = inputSampleR;
//double buffer
count = (int)(gcount+floor(offsetA));
totalL = pL[count] * 0.391; //less as value moves away from .0
totalL += pL[count+widthA]; //we can assume always using this in one way or another?
totalL += pL[count+widthA+widthA] * 0.391; //greater as value moves away from .0
totalR = pR[count] * 0.391; //less as value moves away from .0
totalR += pR[count+widthA]; //we can assume always using this in one way or another?
totalR += pR[count+widthA+widthA] * 0.391; //greater as value moves away from .0
inputSampleL += ((totalL * 0.274));
inputSampleR += ((totalR * 0.274));
count = (int)(gcount+floor(offsetB));
totalL = pL[count] * 0.918; //less as value moves away from .0
totalL += pL[count+widthB]; //we can assume always using this in one way or another?
totalL += pL[count+widthB+widthB] * 0.918; //greater as value moves away from .0
totalR = pR[count] * 0.918; //less as value moves away from .0
totalR += pR[count+widthB]; //we can assume always using this in one way or another?
totalR += pR[count+widthB+widthB] * 0.918; //greater as value moves away from .0
inputSampleL -= ((totalL * 0.629));
inputSampleR -= ((totalR * 0.629));
inputSampleL /= 4;
inputSampleR /= 4;
gcount--;
//still scrolling through the samples, remember
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++;
}
}
