/* ========================================
* Bite - Bite.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __Bite_H
#include "Bite.h"
#endif
void Bite::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 = 1.3;
overallscale /= 44100.0;
overallscale *= getSampleRate();
double gain = ((A*2.0)-1.0)*overallscale;
double outputgain = B;
double midA;
double midB;
double midC;
double midD;
double trigger;
double inputSampleL;
double inputSampleR;
while (--sampleFrames >= 0)
{
sampleIL = sampleHL;
sampleHL = sampleGL;
sampleGL = sampleFL;
sampleFL = sampleEL;
sampleEL = sampleDL;
sampleDL = sampleCL;
sampleCL = sampleBL;
sampleBL = sampleAL;
sampleAL = *in1;
sampleIR = sampleHR;
sampleHR = sampleGR;
sampleGR = sampleFR;
sampleFR = sampleER;
sampleER = sampleDR;
sampleDR = sampleCR;
sampleCR = sampleBR;
sampleBR = sampleAR;
sampleAR = *in2;
//rotate the buffer in primitive fashion
if (sampleAL<1.2e-38 && -sampleAL<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;
sampleAL = applyresidue;
}
if (sampleAR<1.2e-38 && -sampleAR<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;
sampleAR = 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.
}
midA = sampleAL - sampleEL;
midB = sampleIL - sampleEL;
midC = sampleCL - sampleEL;
midD = sampleGL - sampleEL;
midA *= ((((sampleBL + sampleCL + sampleDL)/3) - ((sampleAL + sampleEL)/2.0))*gain);
midB *= ((((sampleFL + sampleGL + sampleHL)/3) - ((sampleEL + sampleIL)/2.0))*gain);
midC *= ((sampleDL - ((sampleCL + sampleEL)/2.0))*gain);
midD *= ((sampleFL - ((sampleEL + sampleGL)/2.0))*gain);
trigger = sin(midA + midB + midC + midD);
inputSampleL = sampleEL + (trigger*8.0);
midA = sampleAR - sampleER;
midB = sampleIR - sampleER;
midC = sampleCR - sampleER;
midD = sampleGR - sampleER;
midA *= ((((sampleBR + sampleCR + sampleDR)/3) - ((sampleAR + sampleER)/2.0))*gain);
midB *= ((((sampleFR + sampleGR + sampleHR)/3) - ((sampleER + sampleIR)/2.0))*gain);
midC *= ((sampleDR - ((sampleCR + sampleER)/2.0))*gain);
midD *= ((sampleFR - ((sampleER + sampleGR)/2.0))*gain);
trigger = sin(midA + midB + midC + midD);
inputSampleR = sampleER + (trigger*8.0);
if (outputgain != 1.0) {
inputSampleL *= outputgain;
inputSampleR *= outputgain;
}
//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 Bite::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 = 1.3;
overallscale /= 44100.0;
overallscale *= getSampleRate();
double gain = ((A*2.0)-1.0)*overallscale;
double outputgain = B;
double midA;
double midB;
double midC;
double midD;
double trigger;
double inputSampleL;
double inputSampleR;
while (--sampleFrames >= 0)
{
sampleIL = sampleHL;
sampleHL = sampleGL;
sampleGL = sampleFL;
sampleFL = sampleEL;
sampleEL = sampleDL;
sampleDL = sampleCL;
sampleCL = sampleBL;
sampleBL = sampleAL;
sampleAL = *in1;
sampleIR = sampleHR;
sampleHR = sampleGR;
sampleGR = sampleFR;
sampleFR = sampleER;
sampleER = sampleDR;
sampleDR = sampleCR;
sampleCR = sampleBR;
sampleBR = sampleAR;
sampleAR = *in2;
//rotate the buffer in primitive fashion
if (sampleAL<1.2e-38 && -sampleAL<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;
sampleAL = applyresidue;
}
if (sampleAR<1.2e-38 && -sampleAR<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;
sampleAR = 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.
}
midA = sampleAL - sampleEL;
midB = sampleIL - sampleEL;
midC = sampleCL - sampleEL;
midD = sampleGL - sampleEL;
midA *= ((((sampleBL + sampleCL + sampleDL)/3) - ((sampleAL + sampleEL)/2.0))*gain);
midB *= ((((sampleFL + sampleGL + sampleHL)/3) - ((sampleEL + sampleIL)/2.0))*gain);
midC *= ((sampleDL - ((sampleCL + sampleEL)/2.0))*gain);
midD *= ((sampleFL - ((sampleEL + sampleGL)/2.0))*gain);
trigger = sin(midA + midB + midC + midD);
inputSampleL = sampleEL + (trigger*8.0);
midA = sampleAR - sampleER;
midB = sampleIR - sampleER;
midC = sampleCR - sampleER;
midD = sampleGR - sampleER;
midA *= ((((sampleBR + sampleCR + sampleDR)/3) - ((sampleAR + sampleER)/2.0))*gain);
midB *= ((((sampleFR + sampleGR + sampleHR)/3) - ((sampleER + sampleIR)/2.0))*gain);
midC *= ((sampleDR - ((sampleCR + sampleER)/2.0))*gain);
midD *= ((sampleFR - ((sampleER + sampleGR)/2.0))*gain);
trigger = sin(midA + midB + midC + midD);
inputSampleR = sampleER + (trigger*8.0);
if (outputgain != 1.0) {
inputSampleL *= outputgain;
inputSampleR *= outputgain;
}
//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++;
}
}
