airwindows/plugins/LinuxVST/src/Ditherbox/DitherboxProc.cpp
2022-02-28 01:18:26 -05:00

1953 lines
79 KiB
C++
Executable file

/* ========================================
* Ditherbox - Ditherbox.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __Ditherbox_H
#include "Ditherbox.h"
#endif
void Ditherbox::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
int dtype = (int)(A * 24.999)+1; // +1 for Reaper bug workaround
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
double iirAmount = 2250/44100.0;
double gaintarget = 1.42;
double gain;
iirAmount /= overallscale;
double altAmount = 1.0 - iirAmount;
double outputSampleL;
double outputSampleR;
double silhouette;
double smoother;
double bridgerectifier;
double benfordize;
int hotbinA;
int hotbinB;
double totalA;
double totalB;
double contingentRnd;
double absSample;
double contingent;
double randyConstant = 1.61803398874989484820458683436563811772030917980576;
double omegaConstant = 0.56714329040978387299996866221035554975381578718651;
double expConstant = 0.06598803584531253707679018759684642493857704825279;
double trim = 2.302585092994045684017991; //natural logarithm of 10
bool highRes = false;
bool dithering = true;
if (dtype > 11){highRes = true; dtype -= 11;}
if (dtype > 11){dithering = false; highRes = false;}
//follow up by switching high res back off for the monitoring
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;
float drySampleL = inputSampleL;
float drySampleR = inputSampleR;
if (dtype == 8) {inputSampleL -= noiseShapingL; inputSampleR -= noiseShapingR;}
if (dithering) {inputSampleL *= 32768.0; inputSampleR *= 32768.0;}
//denormalizing as way of controlling insane detail boosting
if (highRes) {inputSampleL *= 256.0; inputSampleR *= 256.0;} //256 for 16/24 version
switch (dtype)
{
case 1:
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
//truncate
break;
case 2:
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL -= 0.5;
inputSampleL = floor(inputSampleL);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR -= 0.5;
inputSampleR = floor(inputSampleR);
//flat dither
break;
case 3:
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL -= 1.0;
inputSampleL = floor(inputSampleL);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR -= 1.0;
inputSampleR = floor(inputSampleR);
//TPDF dither
break;
case 4:
currentDitherL = (double(fpd)/UINT32_MAX);
inputSampleL += currentDitherL;
inputSampleL -= lastSampleL;
inputSampleL = floor(inputSampleL);
lastSampleL = currentDitherL;
currentDitherR = (double(fpd)/UINT32_MAX);
inputSampleR += currentDitherR;
inputSampleR -= lastSampleR;
inputSampleR = floor(inputSampleR);
lastSampleR = currentDitherR;
//Paul dither
break;
case 5:
nsL[9] = nsL[8]; nsL[8] = nsL[7]; nsL[7] = nsL[6]; nsL[6] = nsL[5];
nsL[5] = nsL[4]; nsL[4] = nsL[3]; nsL[3] = nsL[2]; nsL[2] = nsL[1];
nsL[1] = nsL[0]; nsL[0] = (double(fpd)/UINT32_MAX);
currentDitherL = (nsL[0] * 0.061);
currentDitherL -= (nsL[1] * 0.11);
currentDitherL += (nsL[8] * 0.126);
currentDitherL -= (nsL[7] * 0.23);
currentDitherL += (nsL[2] * 0.25);
currentDitherL -= (nsL[3] * 0.43);
currentDitherL += (nsL[6] * 0.5);
currentDitherL -= nsL[5];
currentDitherL += nsL[4];
//this sounds different from doing it in order of sample position
//cumulative tiny errors seem to build up even at this buss depth
//considerably more pronounced at 32 bit float.
//Therefore we add the most significant components LAST.
//trying to keep values on like exponents of the floating point value.
inputSampleL += currentDitherL;
inputSampleL = floor(inputSampleL);
//done with L
nsR[9] = nsR[8]; nsR[8] = nsR[7]; nsR[7] = nsR[6]; nsR[6] = nsR[5];
nsR[5] = nsR[4]; nsR[4] = nsR[3]; nsR[3] = nsR[2]; nsR[2] = nsR[1];
nsR[1] = nsR[0]; nsR[0] = (double(fpd)/UINT32_MAX);
currentDitherR = (nsR[0] * 0.061);
currentDitherR -= (nsR[1] * 0.11);
currentDitherR += (nsR[8] * 0.126);
currentDitherR -= (nsR[7] * 0.23);
currentDitherR += (nsR[2] * 0.25);
currentDitherR -= (nsR[3] * 0.43);
currentDitherR += (nsR[6] * 0.5);
currentDitherR -= nsR[5];
currentDitherR += nsR[4];
//this sounds different from doing it in order of sample position
//cumulative tiny errors seem to build up even at this buss depth
//considerably more pronounced at 32 bit float.
//Therefore we add the most significant components LAST.
//trying to keep values on like exponents of the floating point value.
inputSampleR += currentDitherR;
inputSampleR = floor(inputSampleR);
//done with R
//DoublePaul dither
break;
case 6:
currentDitherL = (double(fpd)/UINT32_MAX);
currentDitherR = (double(fpd)/UINT32_MAX);
inputSampleL += currentDitherL;
inputSampleR += currentDitherR;
inputSampleL -= nsL[4];
inputSampleR -= nsR[4];
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
nsL[4] = nsL[3];
nsL[3] = nsL[2];
nsL[2] = nsL[1];
nsL[1] = currentDitherL;
nsR[4] = nsR[3];
nsR[3] = nsR[2];
nsR[2] = nsR[1];
nsR[1] = currentDitherR;
//Tape dither
break;
case 7:
Position += 1;
//Note- uses integer overflow as a 'mod' operator
hotbinA = Position * Position;
hotbinA = hotbinA % 170003; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 17011; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 1709; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 173; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 17;
hotbinA *= 0.0635;
if (flip) hotbinA = -hotbinA;
inputSampleL += hotbinA;
inputSampleR += hotbinA;
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
//Quadratic dither
break;
case 8:
absSample = ((double(fpd)/UINT32_MAX) - 0.5);
nsL[0] += absSample; nsL[0] /= 2; absSample -= nsL[0];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[1] += absSample; nsL[1] /= 2; absSample -= nsL[1];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[2] += absSample; nsL[2] /= 2; absSample -= nsL[2];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[3] += absSample; nsL[3] /= 2; absSample -= nsL[3];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[4] += absSample; nsL[4] /= 2; absSample -= nsL[4];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[5] += absSample; nsL[5] /= 2; absSample -= nsL[5];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[6] += absSample; nsL[6] /= 2; absSample -= nsL[6];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[7] += absSample; nsL[7] /= 2; absSample -= nsL[7];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[8] += absSample; nsL[8] /= 2; absSample -= nsL[8];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[9] += absSample; nsL[9] /= 2; absSample -= nsL[9];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[10] += absSample; nsL[10] /= 2; absSample -= nsL[10];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[11] += absSample; nsL[11] /= 2; absSample -= nsL[11];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[12] += absSample; nsL[12] /= 2; absSample -= nsL[12];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[13] += absSample; nsL[13] /= 2; absSample -= nsL[13];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[14] += absSample; nsL[14] /= 2; absSample -= nsL[14];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[15] += absSample; nsL[15] /= 2; absSample -= nsL[15];
//install noise and then shape it
absSample += inputSampleL;
if (NSOddL > 0) NSOddL -= 0.97;
if (NSOddL < 0) NSOddL += 0.97;
NSOddL -= (NSOddL * NSOddL * NSOddL * 0.475);
NSOddL += prevL;
absSample += (NSOddL*0.475);
prevL = floor(absSample) - inputSampleL;
inputSampleL = floor(absSample);
//TenNines dither L
absSample = ((double(fpd)/UINT32_MAX) - 0.5);
nsR[0] += absSample; nsR[0] /= 2; absSample -= nsR[0];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[1] += absSample; nsR[1] /= 2; absSample -= nsR[1];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[2] += absSample; nsR[2] /= 2; absSample -= nsR[2];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[3] += absSample; nsR[3] /= 2; absSample -= nsR[3];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[4] += absSample; nsR[4] /= 2; absSample -= nsR[4];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[5] += absSample; nsR[5] /= 2; absSample -= nsR[5];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[6] += absSample; nsR[6] /= 2; absSample -= nsR[6];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[7] += absSample; nsR[7] /= 2; absSample -= nsR[7];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[8] += absSample; nsR[8] /= 2; absSample -= nsR[8];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[9] += absSample; nsR[9] /= 2; absSample -= nsR[9];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[10] += absSample; nsR[10] /= 2; absSample -= nsR[10];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[11] += absSample; nsR[11] /= 2; absSample -= nsR[11];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[12] += absSample; nsR[12] /= 2; absSample -= nsR[12];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[13] += absSample; nsR[13] /= 2; absSample -= nsR[13];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[14] += absSample; nsR[14] /= 2; absSample -= nsR[14];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[15] += absSample; nsR[15] /= 2; absSample -= nsR[15];
//install noise and then shape it
absSample += inputSampleR;
if (NSOddR > 0) NSOddR -= 0.97;
if (NSOddR < 0) NSOddR += 0.97;
NSOddR -= (NSOddR * NSOddR * NSOddR * 0.475);
NSOddR += prevR;
absSample += (NSOddR*0.475);
prevR = floor(absSample) - inputSampleR;
inputSampleR = floor(absSample);
//TenNines dither R
break;
case 9:
if (inputSampleL > 0) inputSampleL += 0.383;
if (inputSampleL < 0) inputSampleL -= 0.383;
if (inputSampleR > 0) inputSampleR += 0.383;
if (inputSampleR < 0) inputSampleR -= 0.383;
//adjusting to permit more information drug outta the noisefloor
contingentRnd = (((double(fpd)/UINT32_MAX)+(double(fpd)/UINT32_MAX))-1.0) * randyConstant; //produce TPDF dist, scale
contingentRnd -= contingentErrL*omegaConstant; //include err
absSample = fabs(inputSampleL);
contingentErrL = absSample - floor(absSample); //get next err
contingent = contingentErrL * 2.0; //scale of quantization levels
if (contingent > 1.0) contingent = ((-contingent+2.0)*omegaConstant) + expConstant;
else contingent = (contingent * omegaConstant) + expConstant;
//zero is next to a quantization level, one is exactly between them
if (flip) contingentRnd = (contingentRnd * (1.0-contingent)) + contingent + 0.5;
else contingentRnd = (contingentRnd * (1.0-contingent)) - contingent + 0.5;
inputSampleL += (contingentRnd * contingent);
//Contingent Dither
inputSampleL = floor(inputSampleL);
contingentRnd = (((double(fpd)/UINT32_MAX)+(double(fpd)/UINT32_MAX))-1.0) * randyConstant; //produce TPDF dist, scale
contingentRnd -= contingentErrR*omegaConstant; //include err
absSample = fabs(inputSampleR);
contingentErrR = absSample - floor(absSample); //get next err
contingent = contingentErrR * 2.0; //scale of quantization levels
if (contingent > 1.0) contingent = ((-contingent+2.0)*omegaConstant) + expConstant;
else contingent = (contingent * omegaConstant) + expConstant;
//zero is next to a quantization level, one is exactly between them
if (flip) contingentRnd = (contingentRnd * (1.0-contingent)) + contingent + 0.5;
else contingentRnd = (contingentRnd * (1.0-contingent)) - contingent + 0.5;
inputSampleR += (contingentRnd * contingent);
//Contingent Dither
inputSampleR = floor(inputSampleR);
//note: this does not dither for values exactly the same as 16 bit values-
//which forces the dither to gate at 0.0. It goes to digital black,
//and does a teeny parallel-compression thing when almost at digital black.
break;
case 10: //this one is the original Naturalize
if (inputSampleL > 0) inputSampleL += (0.3333333333);
if (inputSampleL < 0) inputSampleL -= (0.3333333333);
inputSampleL += (double(fpd)/UINT32_MAX)*0.6666666666;
if (inputSampleR > 0) inputSampleR += (0.3333333333);
if (inputSampleR < 0) inputSampleR -= (0.3333333333);
inputSampleR += (double(fpd)/UINT32_MAX)*0.6666666666;
//begin L
benfordize = floor(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynL[hotbinA] += 1;
totalA += (301-bynL[1]);
totalA += (176-bynL[2]);
totalA += (125-bynL[3]);
totalA += (97-bynL[4]);
totalA += (79-bynL[5]);
totalA += (67-bynL[6]);
totalA += (58-bynL[7]);
totalA += (51-bynL[8]);
totalA += (46-bynL[9]);
bynL[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynL[hotbinB] += 1;
totalB += (301-bynL[1]);
totalB += (176-bynL[2]);
totalB += (125-bynL[3]);
totalB += (97-bynL[4]);
totalB += (79-bynL[5]);
totalB += (67-bynL[6]);
totalB += (58-bynL[7]);
totalB += (51-bynL[8]);
totalB += (46-bynL[9]);
bynL[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynL[hotbinA] += 1;
inputSampleL = floor(inputSampleL);
}
else
{
bynL[hotbinB] += 1;
inputSampleL = ceil(inputSampleL);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynL[1] + bynL[2] + bynL[3] + bynL[4] + bynL[5] + bynL[6] + bynL[7] + bynL[8] + bynL[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynL[1] /= totalA;
bynL[2] /= totalA;
bynL[3] /= totalA;
bynL[4] /= totalA;
bynL[5] /= totalA;
bynL[6] /= totalA;
bynL[7] /= totalA;
bynL[8] /= totalA;
bynL[9] /= totalA;
bynL[10] /= 2; //catchall for garbage data
//end L
//begin R
benfordize = floor(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynR[hotbinA] += 1;
totalA += (301-bynR[1]);
totalA += (176-bynR[2]);
totalA += (125-bynR[3]);
totalA += (97-bynR[4]);
totalA += (79-bynR[5]);
totalA += (67-bynR[6]);
totalA += (58-bynR[7]);
totalA += (51-bynR[8]);
totalA += (46-bynR[9]);
bynR[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynR[hotbinB] += 1;
totalB += (301-bynR[1]);
totalB += (176-bynR[2]);
totalB += (125-bynR[3]);
totalB += (97-bynR[4]);
totalB += (79-bynR[5]);
totalB += (67-bynR[6]);
totalB += (58-bynR[7]);
totalB += (51-bynR[8]);
totalB += (46-bynR[9]);
bynR[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynR[hotbinA] += 1;
inputSampleR = floor(inputSampleR);
}
else
{
bynR[hotbinB] += 1;
inputSampleR = ceil(inputSampleR);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynR[1] + bynR[2] + bynR[3] + bynR[4] + bynR[5] + bynR[6] + bynR[7] + bynR[8] + bynR[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynR[1] /= totalA;
bynR[2] /= totalA;
bynR[3] /= totalA;
bynR[4] /= totalA;
bynR[5] /= totalA;
bynR[6] /= totalA;
bynR[7] /= totalA;
bynR[8] /= totalA;
bynR[9] /= totalA;
bynR[10] /= 2; //catchall for garbage data
//end R
break;
case 11: //this one is the Not Just Another Dither
//begin L
benfordize = floor(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynL[hotbinA] += 1;
totalA += (301-bynL[1]);
totalA += (176-bynL[2]);
totalA += (125-bynL[3]);
totalA += (97-bynL[4]);
totalA += (79-bynL[5]);
totalA += (67-bynL[6]);
totalA += (58-bynL[7]);
totalA += (51-bynL[8]);
totalA += (46-bynL[9]);
bynL[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynL[hotbinB] += 1;
totalB += (301-bynL[1]);
totalB += (176-bynL[2]);
totalB += (125-bynL[3]);
totalB += (97-bynL[4]);
totalB += (79-bynL[5]);
totalB += (67-bynL[6]);
totalB += (58-bynL[7]);
totalB += (51-bynL[8]);
totalB += (46-bynL[9]);
bynL[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynL[hotbinA] += 1;
inputSampleL = floor(inputSampleL);
}
else
{
bynL[hotbinB] += 1;
inputSampleL = ceil(inputSampleL);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynL[1] + bynL[2] + bynL[3] + bynL[4] + bynL[5] + bynL[6] + bynL[7] + bynL[8] + bynL[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynL[1] /= totalA;
bynL[2] /= totalA;
bynL[3] /= totalA;
bynL[4] /= totalA;
bynL[5] /= totalA;
bynL[6] /= totalA;
bynL[7] /= totalA;
bynL[8] /= totalA;
bynL[9] /= totalA;
bynL[10] /= 2; //catchall for garbage data
//end L
//begin R
benfordize = floor(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynR[hotbinA] += 1;
totalA += (301-bynR[1]);
totalA += (176-bynR[2]);
totalA += (125-bynR[3]);
totalA += (97-bynR[4]);
totalA += (79-bynR[5]);
totalA += (67-bynR[6]);
totalA += (58-bynR[7]);
totalA += (51-bynR[8]);
totalA += (46-bynR[9]);
bynR[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynR[hotbinB] += 1;
totalB += (301-bynR[1]);
totalB += (176-bynR[2]);
totalB += (125-bynR[3]);
totalB += (97-bynR[4]);
totalB += (79-bynR[5]);
totalB += (67-bynR[6]);
totalB += (58-bynR[7]);
totalB += (51-bynR[8]);
totalB += (46-bynR[9]);
bynR[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynR[hotbinA] += 1;
inputSampleR = floor(inputSampleR);
}
else
{
bynR[hotbinB] += 1;
inputSampleR = ceil(inputSampleR);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynR[1] + bynR[2] + bynR[3] + bynR[4] + bynR[5] + bynR[6] + bynR[7] + bynR[8] + bynR[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynR[1] /= totalA;
bynR[2] /= totalA;
bynR[3] /= totalA;
bynR[4] /= totalA;
bynR[5] /= totalA;
bynR[6] /= totalA;
bynR[7] /= totalA;
bynR[8] /= totalA;
bynR[9] /= totalA;
bynR[10] /= 2; //catchall for garbage data
//end R
break;
case 12:
//slew only
outputSampleL = (inputSampleL - lastSampleL)*trim;
outputSampleR = (inputSampleR - lastSampleR)*trim;
lastSampleL = inputSampleL;
lastSampleR = inputSampleR;
if (outputSampleL > 1.0) outputSampleL = 1.0;
if (outputSampleR > 1.0) outputSampleR = 1.0;
if (outputSampleL < -1.0) outputSampleL = -1.0;
if (outputSampleR < -1.0) outputSampleR = -1.0;
inputSampleL = outputSampleL;
inputSampleR = outputSampleR;
break;
case 13:
//subs only
gain = gaintarget;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
iirSampleAL = (iirSampleAL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleAL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleBL = (iirSampleBL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleBL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleCL = (iirSampleCL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleCL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleDL = (iirSampleDL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleDL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleEL = (iirSampleEL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleEL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleFL = (iirSampleFL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleFL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleGL = (iirSampleGL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleGL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleHL = (iirSampleHL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleHL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleIL = (iirSampleIL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleIL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleJL = (iirSampleJL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleJL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleKL = (iirSampleKL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleKL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleLL = (iirSampleLL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleLL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleML = (iirSampleML * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleML;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleNL = (iirSampleNL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleNL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleOL = (iirSampleOL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleOL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSamplePL = (iirSamplePL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSamplePL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleQL = (iirSampleQL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleQL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleRL = (iirSampleRL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleRL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleSL = (iirSampleSL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleSL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleTL = (iirSampleTL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleTL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleUL = (iirSampleUL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleUL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleVL = (iirSampleVL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleVL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleWL = (iirSampleWL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleWL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleXL = (iirSampleXL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleXL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleYL = (iirSampleYL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleYL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleZL = (iirSampleZL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleZL;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
gain = gaintarget;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
iirSampleAR = (iirSampleAR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleAR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleBR = (iirSampleBR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleBR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleCR = (iirSampleCR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleCR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleDR = (iirSampleDR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleDR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleER = (iirSampleER * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleER;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleFR = (iirSampleFR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleFR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleGR = (iirSampleGR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleGR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleHR = (iirSampleHR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleHR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleIR = (iirSampleIR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleIR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleJR = (iirSampleJR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleJR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleKR = (iirSampleKR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleKR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleLR = (iirSampleLR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleLR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleMR = (iirSampleMR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleMR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleNR = (iirSampleNR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleNR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleOR = (iirSampleOR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleOR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSamplePR = (iirSamplePR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSamplePR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleQR = (iirSampleQR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleQR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleRR = (iirSampleRR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleRR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleSR = (iirSampleSR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleSR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleTR = (iirSampleTR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleTR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleUR = (iirSampleUR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleUR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleVR = (iirSampleVR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleVR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleWR = (iirSampleWR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleWR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleXR = (iirSampleXR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleXR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleYR = (iirSampleYR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleYR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleZR = (iirSampleZR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleZR;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
break;
case 14:
//silhouette
//begin L
bridgerectifier = fabs(inputSampleL)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = 1.0-cos(bridgerectifier);
if (inputSampleL > 0.0) inputSampleL = bridgerectifier;
else inputSampleL = -bridgerectifier;
silhouette = rand()/(double)RAND_MAX;
silhouette -= 0.5;
silhouette *= 2.0;
silhouette *= fabs(inputSampleL);
smoother = rand()/(double)RAND_MAX;
smoother -= 0.5;
smoother *= 2.0;
smoother *= fabs(lastSampleL);
lastSampleL = inputSampleL;
silhouette += smoother;
bridgerectifier = fabs(silhouette)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = sin(bridgerectifier);
if (silhouette > 0.0) silhouette = bridgerectifier;
else silhouette = -bridgerectifier;
inputSampleL = (silhouette + outSampleL) / 2.0;
outSampleL = silhouette;
//end L
//begin R
bridgerectifier = fabs(inputSampleR)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = 1.0-cos(bridgerectifier);
if (inputSampleR > 0.0) inputSampleR = bridgerectifier;
else inputSampleR = -bridgerectifier;
silhouette = rand()/(double)RAND_MAX;
silhouette -= 0.5;
silhouette *= 2.0;
silhouette *= fabs(inputSampleR);
smoother = rand()/(double)RAND_MAX;
smoother -= 0.5;
smoother *= 2.0;
smoother *= fabs(lastSampleR);
lastSampleR = inputSampleR;
silhouette += smoother;
bridgerectifier = fabs(silhouette)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = sin(bridgerectifier);
if (silhouette > 0.0) silhouette = bridgerectifier;
else silhouette = -bridgerectifier;
inputSampleR = (silhouette + outSampleR) / 2.0;
outSampleR = silhouette;
//end R
break;
}
flip = !flip;
//several dithers use this
if (highRes) {inputSampleL /= 256.0; inputSampleR /= 256.0;} //256 for 16/24 version
if (dithering) {inputSampleL /= 32768.0; inputSampleR /= 32768.0;}
if (dtype == 8) {
noiseShapingL += inputSampleL - drySampleL;
noiseShapingR += inputSampleR - drySampleR;
}
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
//pseudorandom number updater
*out1 = inputSampleL;
*out2 = inputSampleR;
*in1++;
*in2++;
*out1++;
*out2++;
}
}
void Ditherbox::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
int dtype = (int)(A * 24.999)+1; // +1 for Reaper bug workaround
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
double iirAmount = 2250/44100.0;
double gaintarget = 1.42;
double gain;
iirAmount /= overallscale;
double altAmount = 1.0 - iirAmount;
double outputSampleL;
double outputSampleR;
double silhouette;
double smoother;
double bridgerectifier;
double benfordize;
int hotbinA;
int hotbinB;
double totalA;
double totalB;
double contingentRnd;
double absSample;
double contingent;
double randyConstant = 1.61803398874989484820458683436563811772030917980576;
double omegaConstant = 0.56714329040978387299996866221035554975381578718651;
double expConstant = 0.06598803584531253707679018759684642493857704825279;
double trim = 2.302585092994045684017991; //natural logarithm of 10
bool highRes = false;
bool dithering = true;
if (dtype > 11){highRes = true; dtype -= 11;}
if (dtype > 11){dithering = false; highRes = false;}
//follow up by switching high res back off for the monitoring
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 drySampleL = inputSampleL;
double drySampleR = inputSampleR;
if (dtype == 8) {inputSampleL -= noiseShapingL; inputSampleR -= noiseShapingR;}
if (dithering) {inputSampleL *= 32768.0; inputSampleR *= 32768.0;}
//denormalizing as way of controlling insane detail boosting
if (highRes) {inputSampleL *= 256.0; inputSampleR *= 256.0;} //256 for 16/24 version
switch (dtype)
{
case 1:
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
//truncate
break;
case 2:
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL -= 0.5;
inputSampleL = floor(inputSampleL);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR -= 0.5;
inputSampleR = floor(inputSampleR);
//flat dither
break;
case 3:
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL += (double(fpd)/UINT32_MAX);
inputSampleL -= 1.0;
inputSampleL = floor(inputSampleL);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR += (double(fpd)/UINT32_MAX);
inputSampleR -= 1.0;
inputSampleR = floor(inputSampleR);
//TPDF dither
break;
case 4:
currentDitherL = (double(fpd)/UINT32_MAX);
inputSampleL += currentDitherL;
inputSampleL -= lastSampleL;
inputSampleL = floor(inputSampleL);
lastSampleL = currentDitherL;
currentDitherR = (double(fpd)/UINT32_MAX);
inputSampleR += currentDitherR;
inputSampleR -= lastSampleR;
inputSampleR = floor(inputSampleR);
lastSampleR = currentDitherR;
//Paul dither
break;
case 5:
nsL[9] = nsL[8]; nsL[8] = nsL[7]; nsL[7] = nsL[6]; nsL[6] = nsL[5];
nsL[5] = nsL[4]; nsL[4] = nsL[3]; nsL[3] = nsL[2]; nsL[2] = nsL[1];
nsL[1] = nsL[0]; nsL[0] = (double(fpd)/UINT32_MAX);
currentDitherL = (nsL[0] * 0.061);
currentDitherL -= (nsL[1] * 0.11);
currentDitherL += (nsL[8] * 0.126);
currentDitherL -= (nsL[7] * 0.23);
currentDitherL += (nsL[2] * 0.25);
currentDitherL -= (nsL[3] * 0.43);
currentDitherL += (nsL[6] * 0.5);
currentDitherL -= nsL[5];
currentDitherL += nsL[4];
//this sounds different from doing it in order of sample position
//cumulative tiny errors seem to build up even at this buss depth
//considerably more pronounced at 32 bit float.
//Therefore we add the most significant components LAST.
//trying to keep values on like exponents of the floating point value.
inputSampleL += currentDitherL;
inputSampleL = floor(inputSampleL);
//done with L
nsR[9] = nsR[8]; nsR[8] = nsR[7]; nsR[7] = nsR[6]; nsR[6] = nsR[5];
nsR[5] = nsR[4]; nsR[4] = nsR[3]; nsR[3] = nsR[2]; nsR[2] = nsR[1];
nsR[1] = nsR[0]; nsR[0] = (double(fpd)/UINT32_MAX);
currentDitherR = (nsR[0] * 0.061);
currentDitherR -= (nsR[1] * 0.11);
currentDitherR += (nsR[8] * 0.126);
currentDitherR -= (nsR[7] * 0.23);
currentDitherR += (nsR[2] * 0.25);
currentDitherR -= (nsR[3] * 0.43);
currentDitherR += (nsR[6] * 0.5);
currentDitherR -= nsR[5];
currentDitherR += nsR[4];
//this sounds different from doing it in order of sample position
//cumulative tiny errors seem to build up even at this buss depth
//considerably more pronounced at 32 bit float.
//Therefore we add the most significant components LAST.
//trying to keep values on like exponents of the floating point value.
inputSampleR += currentDitherR;
inputSampleR = floor(inputSampleR);
//done with R
//DoublePaul dither
break;
case 6:
currentDitherL = (double(fpd)/UINT32_MAX);
currentDitherR = (double(fpd)/UINT32_MAX);
inputSampleL += currentDitherL;
inputSampleR += currentDitherR;
inputSampleL -= nsL[4];
inputSampleR -= nsR[4];
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
nsL[4] = nsL[3];
nsL[3] = nsL[2];
nsL[2] = nsL[1];
nsL[1] = currentDitherL;
nsR[4] = nsR[3];
nsR[3] = nsR[2];
nsR[2] = nsR[1];
nsR[1] = currentDitherR;
//Tape dither
break;
case 7:
Position += 1;
//Note- uses integer overflow as a 'mod' operator
hotbinA = Position * Position;
hotbinA = hotbinA % 170003; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 17011; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 1709; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 173; //% is C++ mod operator
hotbinA *= hotbinA;
hotbinA = hotbinA % 17;
hotbinA *= 0.0635;
if (flip) hotbinA = -hotbinA;
inputSampleL += hotbinA;
inputSampleR += hotbinA;
inputSampleL = floor(inputSampleL);
inputSampleR = floor(inputSampleR);
//Quadratic dither
break;
case 8:
absSample = ((double(fpd)/UINT32_MAX) - 0.5);
nsL[0] += absSample; nsL[0] /= 2; absSample -= nsL[0];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[1] += absSample; nsL[1] /= 2; absSample -= nsL[1];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[2] += absSample; nsL[2] /= 2; absSample -= nsL[2];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[3] += absSample; nsL[3] /= 2; absSample -= nsL[3];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[4] += absSample; nsL[4] /= 2; absSample -= nsL[4];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[5] += absSample; nsL[5] /= 2; absSample -= nsL[5];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[6] += absSample; nsL[6] /= 2; absSample -= nsL[6];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[7] += absSample; nsL[7] /= 2; absSample -= nsL[7];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[8] += absSample; nsL[8] /= 2; absSample -= nsL[8];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[9] += absSample; nsL[9] /= 2; absSample -= nsL[9];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[10] += absSample; nsL[10] /= 2; absSample -= nsL[10];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[11] += absSample; nsL[11] /= 2; absSample -= nsL[11];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[12] += absSample; nsL[12] /= 2; absSample -= nsL[12];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[13] += absSample; nsL[13] /= 2; absSample -= nsL[13];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[14] += absSample; nsL[14] /= 2; absSample -= nsL[14];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsL[15] += absSample; nsL[15] /= 2; absSample -= nsL[15];
//install noise and then shape it
absSample += inputSampleL;
if (NSOddL > 0) NSOddL -= 0.97;
if (NSOddL < 0) NSOddL += 0.97;
NSOddL -= (NSOddL * NSOddL * NSOddL * 0.475);
NSOddL += prevL;
absSample += (NSOddL*0.475);
prevL = floor(absSample) - inputSampleL;
inputSampleL = floor(absSample);
//TenNines dither L
absSample = ((double(fpd)/UINT32_MAX) - 0.5);
nsR[0] += absSample; nsR[0] /= 2; absSample -= nsR[0];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[1] += absSample; nsR[1] /= 2; absSample -= nsR[1];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[2] += absSample; nsR[2] /= 2; absSample -= nsR[2];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[3] += absSample; nsR[3] /= 2; absSample -= nsR[3];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[4] += absSample; nsR[4] /= 2; absSample -= nsR[4];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[5] += absSample; nsR[5] /= 2; absSample -= nsR[5];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[6] += absSample; nsR[6] /= 2; absSample -= nsR[6];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[7] += absSample; nsR[7] /= 2; absSample -= nsR[7];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[8] += absSample; nsR[8] /= 2; absSample -= nsR[8];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[9] += absSample; nsR[9] /= 2; absSample -= nsR[9];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[10] += absSample; nsR[10] /= 2; absSample -= nsR[10];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[11] += absSample; nsR[11] /= 2; absSample -= nsR[11];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[12] += absSample; nsR[12] /= 2; absSample -= nsR[12];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[13] += absSample; nsR[13] /= 2; absSample -= nsR[13];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[14] += absSample; nsR[14] /= 2; absSample -= nsR[14];
absSample += ((double(fpd)/UINT32_MAX) - 0.5);
nsR[15] += absSample; nsR[15] /= 2; absSample -= nsR[15];
//install noise and then shape it
absSample += inputSampleR;
if (NSOddR > 0) NSOddR -= 0.97;
if (NSOddR < 0) NSOddR += 0.97;
NSOddR -= (NSOddR * NSOddR * NSOddR * 0.475);
NSOddR += prevR;
absSample += (NSOddR*0.475);
prevR = floor(absSample) - inputSampleR;
inputSampleR = floor(absSample);
//TenNines dither R
break;
case 9:
if (inputSampleL > 0) inputSampleL += 0.383;
if (inputSampleL < 0) inputSampleL -= 0.383;
if (inputSampleR > 0) inputSampleR += 0.383;
if (inputSampleR < 0) inputSampleR -= 0.383;
//adjusting to permit more information drug outta the noisefloor
contingentRnd = (((double(fpd)/UINT32_MAX)+(double(fpd)/UINT32_MAX))-1.0) * randyConstant; //produce TPDF dist, scale
contingentRnd -= contingentErrL*omegaConstant; //include err
absSample = fabs(inputSampleL);
contingentErrL = absSample - floor(absSample); //get next err
contingent = contingentErrL * 2.0; //scale of quantization levels
if (contingent > 1.0) contingent = ((-contingent+2.0)*omegaConstant) + expConstant;
else contingent = (contingent * omegaConstant) + expConstant;
//zero is next to a quantization level, one is exactly between them
if (flip) contingentRnd = (contingentRnd * (1.0-contingent)) + contingent + 0.5;
else contingentRnd = (contingentRnd * (1.0-contingent)) - contingent + 0.5;
inputSampleL += (contingentRnd * contingent);
//Contingent Dither
inputSampleL = floor(inputSampleL);
contingentRnd = (((double(fpd)/UINT32_MAX)+(double(fpd)/UINT32_MAX))-1.0) * randyConstant; //produce TPDF dist, scale
contingentRnd -= contingentErrR*omegaConstant; //include err
absSample = fabs(inputSampleR);
contingentErrR = absSample - floor(absSample); //get next err
contingent = contingentErrR * 2.0; //scale of quantization levels
if (contingent > 1.0) contingent = ((-contingent+2.0)*omegaConstant) + expConstant;
else contingent = (contingent * omegaConstant) + expConstant;
//zero is next to a quantization level, one is exactly between them
if (flip) contingentRnd = (contingentRnd * (1.0-contingent)) + contingent + 0.5;
else contingentRnd = (contingentRnd * (1.0-contingent)) - contingent + 0.5;
inputSampleR += (contingentRnd * contingent);
//Contingent Dither
inputSampleR = floor(inputSampleR);
//note: this does not dither for values exactly the same as 16 bit values-
//which forces the dither to gate at 0.0. It goes to digital black,
//and does a teeny parallel-compression thing when almost at digital black.
break;
case 10: //this one is the original Naturalize
if (inputSampleL > 0) inputSampleL += (0.3333333333);
if (inputSampleL < 0) inputSampleL -= (0.3333333333);
inputSampleL += (double(fpd)/UINT32_MAX)*0.6666666666;
if (inputSampleR > 0) inputSampleR += (0.3333333333);
if (inputSampleR < 0) inputSampleR -= (0.3333333333);
inputSampleR += (double(fpd)/UINT32_MAX)*0.6666666666;
//begin L
benfordize = floor(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynL[hotbinA] += 1;
totalA += (301-bynL[1]);
totalA += (176-bynL[2]);
totalA += (125-bynL[3]);
totalA += (97-bynL[4]);
totalA += (79-bynL[5]);
totalA += (67-bynL[6]);
totalA += (58-bynL[7]);
totalA += (51-bynL[8]);
totalA += (46-bynL[9]);
bynL[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynL[hotbinB] += 1;
totalB += (301-bynL[1]);
totalB += (176-bynL[2]);
totalB += (125-bynL[3]);
totalB += (97-bynL[4]);
totalB += (79-bynL[5]);
totalB += (67-bynL[6]);
totalB += (58-bynL[7]);
totalB += (51-bynL[8]);
totalB += (46-bynL[9]);
bynL[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynL[hotbinA] += 1;
inputSampleL = floor(inputSampleL);
}
else
{
bynL[hotbinB] += 1;
inputSampleL = ceil(inputSampleL);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynL[1] + bynL[2] + bynL[3] + bynL[4] + bynL[5] + bynL[6] + bynL[7] + bynL[8] + bynL[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynL[1] /= totalA;
bynL[2] /= totalA;
bynL[3] /= totalA;
bynL[4] /= totalA;
bynL[5] /= totalA;
bynL[6] /= totalA;
bynL[7] /= totalA;
bynL[8] /= totalA;
bynL[9] /= totalA;
bynL[10] /= 2; //catchall for garbage data
//end L
//begin R
benfordize = floor(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynR[hotbinA] += 1;
totalA += (301-bynR[1]);
totalA += (176-bynR[2]);
totalA += (125-bynR[3]);
totalA += (97-bynR[4]);
totalA += (79-bynR[5]);
totalA += (67-bynR[6]);
totalA += (58-bynR[7]);
totalA += (51-bynR[8]);
totalA += (46-bynR[9]);
bynR[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynR[hotbinB] += 1;
totalB += (301-bynR[1]);
totalB += (176-bynR[2]);
totalB += (125-bynR[3]);
totalB += (97-bynR[4]);
totalB += (79-bynR[5]);
totalB += (67-bynR[6]);
totalB += (58-bynR[7]);
totalB += (51-bynR[8]);
totalB += (46-bynR[9]);
bynR[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynR[hotbinA] += 1;
inputSampleR = floor(inputSampleR);
}
else
{
bynR[hotbinB] += 1;
inputSampleR = ceil(inputSampleR);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynR[1] + bynR[2] + bynR[3] + bynR[4] + bynR[5] + bynR[6] + bynR[7] + bynR[8] + bynR[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynR[1] /= totalA;
bynR[2] /= totalA;
bynR[3] /= totalA;
bynR[4] /= totalA;
bynR[5] /= totalA;
bynR[6] /= totalA;
bynR[7] /= totalA;
bynR[8] /= totalA;
bynR[9] /= totalA;
bynR[10] /= 2; //catchall for garbage data
//end R
break;
case 11: //this one is the Not Just Another Dither
//begin L
benfordize = floor(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynL[hotbinA] += 1;
totalA += (301-bynL[1]);
totalA += (176-bynL[2]);
totalA += (125-bynL[3]);
totalA += (97-bynL[4]);
totalA += (79-bynL[5]);
totalA += (67-bynL[6]);
totalA += (58-bynL[7]);
totalA += (51-bynL[8]);
totalA += (46-bynL[9]);
bynL[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleL);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynL[hotbinB] += 1;
totalB += (301-bynL[1]);
totalB += (176-bynL[2]);
totalB += (125-bynL[3]);
totalB += (97-bynL[4]);
totalB += (79-bynL[5]);
totalB += (67-bynL[6]);
totalB += (58-bynL[7]);
totalB += (51-bynL[8]);
totalB += (46-bynL[9]);
bynL[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynL[hotbinA] += 1;
inputSampleL = floor(inputSampleL);
}
else
{
bynL[hotbinB] += 1;
inputSampleL = ceil(inputSampleL);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynL[1] + bynL[2] + bynL[3] + bynL[4] + bynL[5] + bynL[6] + bynL[7] + bynL[8] + bynL[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynL[1] /= totalA;
bynL[2] /= totalA;
bynL[3] /= totalA;
bynL[4] /= totalA;
bynL[5] /= totalA;
bynL[6] /= totalA;
bynL[7] /= totalA;
bynL[8] /= totalA;
bynL[9] /= totalA;
bynL[10] /= 2; //catchall for garbage data
//end L
//begin R
benfordize = floor(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinA = floor(benfordize);
//hotbin becomes the Benford bin value for this number floored
totalA = 0;
if ((hotbinA > 0) && (hotbinA < 10))
{
bynR[hotbinA] += 1;
totalA += (301-bynR[1]);
totalA += (176-bynR[2]);
totalA += (125-bynR[3]);
totalA += (97-bynR[4]);
totalA += (79-bynR[5]);
totalA += (67-bynR[6]);
totalA += (58-bynR[7]);
totalA += (51-bynR[8]);
totalA += (46-bynR[9]);
bynR[hotbinA] -= 1;
} else {hotbinA = 10;}
//produce total number- smaller is closer to Benford real
benfordize = ceil(inputSampleR);
while (benfordize >= 1.0) {benfordize /= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
if (benfordize < 1.0) {benfordize *= 10;}
hotbinB = floor(benfordize);
//hotbin becomes the Benford bin value for this number ceiled
totalB = 0;
if ((hotbinB > 0) && (hotbinB < 10))
{
bynR[hotbinB] += 1;
totalB += (301-bynR[1]);
totalB += (176-bynR[2]);
totalB += (125-bynR[3]);
totalB += (97-bynR[4]);
totalB += (79-bynR[5]);
totalB += (67-bynR[6]);
totalB += (58-bynR[7]);
totalB += (51-bynR[8]);
totalB += (46-bynR[9]);
bynR[hotbinB] -= 1;
} else {hotbinB = 10;}
//produce total number- smaller is closer to Benford real
if (totalA < totalB)
{
bynR[hotbinA] += 1;
inputSampleR = floor(inputSampleR);
}
else
{
bynR[hotbinB] += 1;
inputSampleR = ceil(inputSampleR);
}
//assign the relevant one to the delay line
//and floor/ceil signal accordingly
totalA = bynR[1] + bynR[2] + bynR[3] + bynR[4] + bynR[5] + bynR[6] + bynR[7] + bynR[8] + bynR[9];
totalA /= 1000;
if (totalA = 0) totalA = 1; // spotted by Laserbat: this 'scaling back' code doesn't. It always divides by the fallback of 1. Old NJAD doesn't scale back the things we're comparing against. Kept to retain known behavior, use the one in StudioTan and Monitoring for a tuned-as-intended NJAD.
bynR[1] /= totalA;
bynR[2] /= totalA;
bynR[3] /= totalA;
bynR[4] /= totalA;
bynR[5] /= totalA;
bynR[6] /= totalA;
bynR[7] /= totalA;
bynR[8] /= totalA;
bynR[9] /= totalA;
bynR[10] /= 2; //catchall for garbage data
//end R
break;
case 12:
//slew only
outputSampleL = (inputSampleL - lastSampleL)*trim;
outputSampleR = (inputSampleR - lastSampleR)*trim;
lastSampleL = inputSampleL;
lastSampleR = inputSampleR;
if (outputSampleL > 1.0) outputSampleL = 1.0;
if (outputSampleR > 1.0) outputSampleR = 1.0;
if (outputSampleL < -1.0) outputSampleL = -1.0;
if (outputSampleR < -1.0) outputSampleR = -1.0;
inputSampleL = outputSampleL;
inputSampleR = outputSampleR;
break;
case 13:
//subs only
gain = gaintarget;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
iirSampleAL = (iirSampleAL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleAL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleBL = (iirSampleBL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleBL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleCL = (iirSampleCL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleCL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleDL = (iirSampleDL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleDL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleEL = (iirSampleEL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleEL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleFL = (iirSampleFL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleFL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleGL = (iirSampleGL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleGL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleHL = (iirSampleHL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleHL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleIL = (iirSampleIL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleIL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleJL = (iirSampleJL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleJL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleKL = (iirSampleKL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleKL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleLL = (iirSampleLL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleLL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleML = (iirSampleML * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleML;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleNL = (iirSampleNL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleNL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleOL = (iirSampleOL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleOL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSamplePL = (iirSamplePL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSamplePL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleQL = (iirSampleQL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleQL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleRL = (iirSampleRL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleRL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleSL = (iirSampleSL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleSL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleTL = (iirSampleTL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleTL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleUL = (iirSampleUL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleUL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleVL = (iirSampleVL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleVL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleWL = (iirSampleWL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleWL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleXL = (iirSampleXL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleXL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleYL = (iirSampleYL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleYL;
inputSampleL *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
iirSampleZL = (iirSampleZL * altAmount) + (inputSampleL * iirAmount); inputSampleL = iirSampleZL;
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
gain = gaintarget;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
iirSampleAR = (iirSampleAR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleAR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleBR = (iirSampleBR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleBR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleCR = (iirSampleCR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleCR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleDR = (iirSampleDR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleDR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleER = (iirSampleER * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleER;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleFR = (iirSampleFR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleFR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleGR = (iirSampleGR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleGR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleHR = (iirSampleHR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleHR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleIR = (iirSampleIR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleIR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleJR = (iirSampleJR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleJR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleKR = (iirSampleKR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleKR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleLR = (iirSampleLR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleLR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleMR = (iirSampleMR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleMR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleNR = (iirSampleNR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleNR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleOR = (iirSampleOR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleOR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSamplePR = (iirSamplePR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSamplePR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleQR = (iirSampleQR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleQR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleRR = (iirSampleRR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleRR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleSR = (iirSampleSR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleSR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleTR = (iirSampleTR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleTR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleUR = (iirSampleUR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleUR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleVR = (iirSampleVR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleVR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleWR = (iirSampleWR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleWR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleXR = (iirSampleXR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleXR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleYR = (iirSampleYR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleYR;
inputSampleR *= gain; gain = ((gain-1)*0.75)+1;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
iirSampleZR = (iirSampleZR * altAmount) + (inputSampleR * iirAmount); inputSampleR = iirSampleZR;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
break;
case 14:
//silhouette
//begin L
bridgerectifier = fabs(inputSampleL)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = 1.0-cos(bridgerectifier);
if (inputSampleL > 0.0) inputSampleL = bridgerectifier;
else inputSampleL = -bridgerectifier;
silhouette = rand()/(double)RAND_MAX;
silhouette -= 0.5;
silhouette *= 2.0;
silhouette *= fabs(inputSampleL);
smoother = rand()/(double)RAND_MAX;
smoother -= 0.5;
smoother *= 2.0;
smoother *= fabs(lastSampleL);
lastSampleL = inputSampleL;
silhouette += smoother;
bridgerectifier = fabs(silhouette)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = sin(bridgerectifier);
if (silhouette > 0.0) silhouette = bridgerectifier;
else silhouette = -bridgerectifier;
inputSampleL = (silhouette + outSampleL) / 2.0;
outSampleL = silhouette;
//end L
//begin R
bridgerectifier = fabs(inputSampleR)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = 1.0-cos(bridgerectifier);
if (inputSampleR > 0.0) inputSampleR = bridgerectifier;
else inputSampleR = -bridgerectifier;
silhouette = rand()/(double)RAND_MAX;
silhouette -= 0.5;
silhouette *= 2.0;
silhouette *= fabs(inputSampleR);
smoother = rand()/(double)RAND_MAX;
smoother -= 0.5;
smoother *= 2.0;
smoother *= fabs(lastSampleR);
lastSampleR = inputSampleR;
silhouette += smoother;
bridgerectifier = fabs(silhouette)*1.57079633;
if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
bridgerectifier = sin(bridgerectifier);
if (silhouette > 0.0) silhouette = bridgerectifier;
else silhouette = -bridgerectifier;
inputSampleR = (silhouette + outSampleR) / 2.0;
outSampleR = silhouette;
//end R
break;
}
flip = !flip;
//several dithers use this
if (highRes) {inputSampleL /= 256.0; inputSampleR /= 256.0;} //256 for 16/24 version
if (dithering) {inputSampleL /= 32768.0; inputSampleR /= 32768.0;}
if (dtype == 8) {
noiseShapingL += inputSampleL - drySampleL;
noiseShapingR += inputSampleR - drySampleR;
}
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
//pseudorandom number updater
*out1 = inputSampleL;
*out2 = inputSampleR;
*in1++;
*in2++;
*out1++;
*out2++;
}
}