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airwindows/plugins/MacSignedVST/ConsoleX2Buss/source/ConsoleX2BussProc.cpp
Christopher Johnson c357ed8bca PurestDualPan
2025-12-13 17:44:06 -05:00

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/* ========================================
* ConsoleX2Buss - ConsoleX2Buss.h
* Copyright (c) airwindows, Airwindows uses the MIT license
* ======================================== */
#ifndef __ConsoleX2Buss_H
#include "ConsoleX2Buss.h"
#endif
void ConsoleX2Buss::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
int spacing = floor(overallscale*2.0);
if (spacing < 2) spacing = 2; if (spacing > 32) spacing = 32;
double trebleGain = (HIG-0.5)*2.0;
trebleGain = 1.0+(trebleGain*fabs(trebleGain)*fabs(trebleGain));
double highmidGain = (HMG-0.5)*2.0;
highmidGain = 1.0+(highmidGain*fabs(highmidGain)*fabs(highmidGain));
double lowmidGain = (LMG-0.5)*2.0;
lowmidGain = 1.0+(lowmidGain*fabs(lowmidGain)*fabs(lowmidGain));
double bassGain = (BSG-0.5)*2.0;
bassGain = 1.0+(bassGain*fabs(bassGain)*fabs(bassGain));
double highCoef = 0.0;
double midCoef = 0.0;
double lowCoef = 0.0;
bool eqOff = (trebleGain == 1.0 && highmidGain == 1.0 && lowmidGain == 1.0 && bassGain == 1.0);
//we get to completely bypass EQ if we're truly not using it. The mechanics of it mean that
//it cancels out to bit-identical anyhow, but we get to skip the calculation
if (!eqOff) {
double trebleRef = HIF-0.5;
double highmidRef = HMF-0.5;
double lowmidRef = LMF-0.5;
double bassRef = BSF-0.5;
double highF = 0.75 + ((trebleRef+trebleRef+trebleRef+highmidRef)*0.125);
double bassF = 0.25 + ((lowmidRef+bassRef+bassRef+bassRef)*0.125);
double midF = (highF*0.5) + (bassF*0.5) + ((highmidRef+lowmidRef)*0.125);
double highQ = fmax(fmin(1.0+(highmidRef-trebleRef),4.0),0.125);
double midQ = fmax(fmin(1.0+(lowmidRef-highmidRef),4.0),0.125);
double lowQ = fmax(fmin(1.0+(bassRef-lowmidRef),4.0),0.125);
highA[biq_freq] = ((pow(highF,3)*20000.0)/getSampleRate());
highC[biq_freq] = highB[biq_freq] = highA[biq_freq] = fmax(fmin(highA[biq_freq],0.4999),0.00025);
double highFreq = pow(highF,3)*20000.0;
double omega = 2.0*M_PI*(highFreq/getSampleRate());
double biqK = 2.0-cos(omega);
highCoef = -sqrt((biqK*biqK)-1.0)+biqK;
highA[biq_reso] = 2.24697960 * highQ;
highB[biq_reso] = 0.80193774 * highQ;
highC[biq_reso] = 0.55495813 * highQ;
midA[biq_freq] = ((pow(midF,3)*20000.0)/getSampleRate());
midC[biq_freq] = midB[biq_freq] = midA[biq_freq] = fmax(fmin(midA[biq_freq],0.4999),0.00025);
double midFreq = pow(midF,3)*20000.0;
omega = 2.0*M_PI*(midFreq/getSampleRate());
biqK = 2.0-cos(omega);
midCoef = -sqrt((biqK*biqK)-1.0)+biqK;
midA[biq_reso] = 2.24697960 * midQ;
midB[biq_reso] = 0.80193774 * midQ;
midC[biq_reso] = 0.55495813 * midQ;
lowA[biq_freq] = ((pow(bassF,3)*20000.0)/getSampleRate());
lowC[biq_freq] = lowB[biq_freq] = lowA[biq_freq] = fmax(fmin(lowA[biq_freq],0.4999),0.00025);
double lowFreq = pow(bassF,3)*20000.0;
omega = 2.0*M_PI*(lowFreq/getSampleRate());
biqK = 2.0-cos(omega);
lowCoef = -sqrt((biqK*biqK)-1.0)+biqK;
lowA[biq_reso] = 2.24697960 * lowQ;
lowB[biq_reso] = 0.80193774 * lowQ;
lowC[biq_reso] = 0.55495813 * lowQ;
biqK = tan(M_PI * highA[biq_freq]);
double norm = 1.0 / (1.0 + biqK / highA[biq_reso] + biqK * biqK);
highA[biq_a0] = biqK * biqK * norm;
highA[biq_a1] = 2.0 * highA[biq_a0];
highA[biq_a2] = highA[biq_a0];
highA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highA[biq_b2] = (1.0 - biqK / highA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * highB[biq_freq]);
norm = 1.0 / (1.0 + biqK / highB[biq_reso] + biqK * biqK);
highB[biq_a0] = biqK * biqK * norm;
highB[biq_a1] = 2.0 * highB[biq_a0];
highB[biq_a2] = highB[biq_a0];
highB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highB[biq_b2] = (1.0 - biqK / highB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * highC[biq_freq]);
norm = 1.0 / (1.0 + biqK / highC[biq_reso] + biqK * biqK);
highC[biq_a0] = biqK * biqK * norm;
highC[biq_a1] = 2.0 * highC[biq_a0];
highC[biq_a2] = highC[biq_a0];
highC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highC[biq_b2] = (1.0 - biqK / highC[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midA[biq_freq]);
norm = 1.0 / (1.0 + biqK / midA[biq_reso] + biqK * biqK);
midA[biq_a0] = biqK * biqK * norm;
midA[biq_a1] = 2.0 * midA[biq_a0];
midA[biq_a2] = midA[biq_a0];
midA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midA[biq_b2] = (1.0 - biqK / midA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midB[biq_freq]);
norm = 1.0 / (1.0 + biqK / midB[biq_reso] + biqK * biqK);
midB[biq_a0] = biqK * biqK * norm;
midB[biq_a1] = 2.0 * midB[biq_a0];
midB[biq_a2] = midB[biq_a0];
midB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midB[biq_b2] = (1.0 - biqK / midB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midC[biq_freq]);
norm = 1.0 / (1.0 + biqK / midC[biq_reso] + biqK * biqK);
midC[biq_a0] = biqK * biqK * norm;
midC[biq_a1] = 2.0 * midC[biq_a0];
midC[biq_a2] = midC[biq_a0];
midC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midC[biq_b2] = (1.0 - biqK / midC[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowA[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowA[biq_reso] + biqK * biqK);
lowA[biq_a0] = biqK * biqK * norm;
lowA[biq_a1] = 2.0 * lowA[biq_a0];
lowA[biq_a2] = lowA[biq_a0];
lowA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowA[biq_b2] = (1.0 - biqK / lowA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowB[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowB[biq_reso] + biqK * biqK);
lowB[biq_a0] = biqK * biqK * norm;
lowB[biq_a1] = 2.0 * lowB[biq_a0];
lowB[biq_a2] = lowB[biq_a0];
lowB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowB[biq_b2] = (1.0 - biqK / lowB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowC[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowC[biq_reso] + biqK * biqK);
lowC[biq_a0] = biqK * biqK * norm;
lowC[biq_a1] = 2.0 * lowC[biq_a0];
lowC[biq_a2] = lowC[biq_a0];
lowC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowC[biq_b2] = (1.0 - biqK / lowC[biq_reso] + biqK * biqK) * norm;
}
//SmoothEQ2
double bezCThresh = pow(1.0-THR, 6.0) * 8.0;
double bezRez = pow(1.0-THR, 12.360679774997898) / overallscale;
double sloRez = pow(1.0-THR,10.0) / overallscale;
sloRez = fmin(fmax(sloRez,0.00001),1.0);
bezRez = fmin(fmax(bezRez,0.00001),1.0);
//Dynamics2
panA = panB; panB = PAN*1.57079633;
inTrimA = inTrimB; inTrimB = FAD*2.0;
//Console
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;
if (inputSampleL > 1.0) inputSampleL = 1.0;
else if (inputSampleL > 0.0) inputSampleL = -expm1((log1p(-inputSampleL) * 0.6180339887498949));
if (inputSampleL < -1.0) inputSampleL = -1.0;
else if (inputSampleL < 0.0) inputSampleL = expm1((log1p(inputSampleL) * 0.6180339887498949));
if (inputSampleR > 1.0) inputSampleR = 1.0;
else if (inputSampleR > 0.0) inputSampleR = -expm1((log1p(-inputSampleR) * 0.6180339887498949));
if (inputSampleR < -1.0) inputSampleR = -1.0;
else if (inputSampleR < 0.0) inputSampleR = expm1((log1p(inputSampleR) * 0.6180339887498949));
if (!eqOff) {
double trebleL = inputSampleL;
double outSample = (trebleL * highA[biq_a0]) + highA[biq_sL1];
highA[biq_sL1] = (trebleL * highA[biq_a1]) - (outSample * highA[biq_b1]) + highA[biq_sL2];
highA[biq_sL2] = (trebleL * highA[biq_a2]) - (outSample * highA[biq_b2]);
double highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midA[biq_a0]) + midA[biq_sL1];
midA[biq_sL1] = (highmidL * midA[biq_a1]) - (outSample * midA[biq_b1]) + midA[biq_sL2];
midA[biq_sL2] = (highmidL * midA[biq_a2]) - (outSample * midA[biq_b2]);
double lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowA[biq_a0]) + lowA[biq_sL1];
lowA[biq_sL1] = (lowmidL * lowA[biq_a1]) - (outSample * lowA[biq_b1]) + lowA[biq_sL2];
lowA[biq_sL2] = (lowmidL * lowA[biq_a2]) - (outSample * lowA[biq_b2]);
double bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//first stage of three crossovers
outSample = (trebleL * highB[biq_a0]) + highB[biq_sL1];
highB[biq_sL1] = (trebleL * highB[biq_a1]) - (outSample * highB[biq_b1]) + highB[biq_sL2];
highB[biq_sL2] = (trebleL * highB[biq_a2]) - (outSample * highB[biq_b2]);
highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midB[biq_a0]) + midB[biq_sL1];
midB[biq_sL1] = (highmidL * midB[biq_a1]) - (outSample * midB[biq_b1]) + midB[biq_sL2];
midB[biq_sL2] = (highmidL * midB[biq_a2]) - (outSample * midB[biq_b2]);
lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowB[biq_a0]) + lowB[biq_sL1];
lowB[biq_sL1] = (lowmidL * lowB[biq_a1]) - (outSample * lowB[biq_b1]) + lowB[biq_sL2];
lowB[biq_sL2] = (lowmidL * lowB[biq_a2]) - (outSample * lowB[biq_b2]);
bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//second stage of three crossovers
outSample = (trebleL * highC[biq_a0]) + highC[biq_sL1];
highC[biq_sL1] = (trebleL * highC[biq_a1]) - (outSample * highC[biq_b1]) + highC[biq_sL2];
highC[biq_sL2] = (trebleL * highC[biq_a2]) - (outSample * highC[biq_b2]);
highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midC[biq_a0]) + midC[biq_sL1];
midC[biq_sL1] = (highmidL * midC[biq_a1]) - (outSample * midC[biq_b1]) + midC[biq_sL2];
midC[biq_sL2] = (highmidL * midC[biq_a2]) - (outSample * midC[biq_b2]);
lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowC[biq_a0]) + lowC[biq_sL1];
lowC[biq_sL1] = (lowmidL * lowC[biq_a1]) - (outSample * lowC[biq_b1]) + lowC[biq_sL2];
lowC[biq_sL2] = (lowmidL * lowC[biq_a2]) - (outSample * lowC[biq_b2]);
bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//third stage of three crossovers
highLIIR = (highLIIR*highCoef) + (trebleL*(1.0-highCoef));
highmidL = highLIIR; trebleL -= highmidL;
midLIIR = (midLIIR*midCoef) + (highmidL*(1.0-midCoef));
lowmidL = midLIIR; highmidL -= lowmidL;
lowLIIR = (lowLIIR*lowCoef) + (lowmidL*(1.0-lowCoef));
bassL = lowLIIR; lowmidL -= bassL;
inputSampleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//fourth stage of three crossovers is the exponential filters
double trebleR = inputSampleR;
outSample = (trebleR * highA[biq_a0]) + highA[biq_sR1];
highA[biq_sR1] = (trebleR * highA[biq_a1]) - (outSample * highA[biq_b1]) + highA[biq_sR2];
highA[biq_sR2] = (trebleR * highA[biq_a2]) - (outSample * highA[biq_b2]);
double highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midA[biq_a0]) + midA[biq_sR1];
midA[biq_sR1] = (highmidR * midA[biq_a1]) - (outSample * midA[biq_b1]) + midA[biq_sR2];
midA[biq_sR2] = (highmidR * midA[biq_a2]) - (outSample * midA[biq_b2]);
double lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowA[biq_a0]) + lowA[biq_sR1];
lowA[biq_sR1] = (lowmidR * lowA[biq_a1]) - (outSample * lowA[biq_b1]) + lowA[biq_sR2];
lowA[biq_sR2] = (lowmidR * lowA[biq_a2]) - (outSample * lowA[biq_b2]);
double bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//first stage of three crossovers
outSample = (trebleR * highB[biq_a0]) + highB[biq_sR1];
highB[biq_sR1] = (trebleR * highB[biq_a1]) - (outSample * highB[biq_b1]) + highB[biq_sR2];
highB[biq_sR2] = (trebleR * highB[biq_a2]) - (outSample * highB[biq_b2]);
highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midB[biq_a0]) + midB[biq_sR1];
midB[biq_sR1] = (highmidR * midB[biq_a1]) - (outSample * midB[biq_b1]) + midB[biq_sR2];
midB[biq_sR2] = (highmidR * midB[biq_a2]) - (outSample * midB[biq_b2]);
lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowB[biq_a0]) + lowB[biq_sR1];
lowB[biq_sR1] = (lowmidR * lowB[biq_a1]) - (outSample * lowB[biq_b1]) + lowB[biq_sR2];
lowB[biq_sR2] = (lowmidR * lowB[biq_a2]) - (outSample * lowB[biq_b2]);
bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//second stage of three crossovers
outSample = (trebleR * highC[biq_a0]) + highC[biq_sR1];
highC[biq_sR1] = (trebleR * highC[biq_a1]) - (outSample * highC[biq_b1]) + highC[biq_sR2];
highC[biq_sR2] = (trebleR * highC[biq_a2]) - (outSample * highC[biq_b2]);
highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midC[biq_a0]) + midC[biq_sR1];
midC[biq_sR1] = (highmidR * midC[biq_a1]) - (outSample * midC[biq_b1]) + midC[biq_sR2];
midC[biq_sR2] = (highmidR * midC[biq_a2]) - (outSample * midC[biq_b2]);
lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowC[biq_a0]) + lowC[biq_sR1];
lowC[biq_sR1] = (lowmidR * lowC[biq_a1]) - (outSample * lowC[biq_b1]) + lowC[biq_sR2];
lowC[biq_sR2] = (lowmidR * lowC[biq_a2]) - (outSample * lowC[biq_b2]);
bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//third stage of three crossovers
highRIIR = (highRIIR*highCoef) + (trebleR*(1.0-highCoef));
highmidR = highRIIR; trebleR -= highmidR;
midRIIR = (midRIIR*midCoef) + (highmidR*(1.0-midCoef));
lowmidR = midRIIR; highmidR -= lowmidR;
lowRIIR = (lowRIIR*lowCoef) + (lowmidR*(1.0-lowCoef));
bassR = lowRIIR; lowmidR -= bassR;
inputSampleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//fourth stage of three crossovers is the exponential filters
}
//SmoothEQ2
if (bezCThresh > 0.0) {
inputSampleL *= ((bezCThresh*0.5)+1.0);
inputSampleR *= ((bezCThresh*0.5)+1.0);
bezCompF[bez_cycle] += bezRez;
bezCompF[bez_Ctrl] += (fmax(fabs(inputSampleL),fabs(inputSampleR)) * bezRez);
if (bezCompF[bez_cycle] > 1.0) {
bezCompF[bez_cycle] -= 1.0;
bezCompF[bez_C] = bezCompF[bez_B];
bezCompF[bez_B] = bezCompF[bez_A];
bezCompF[bez_A] = bezCompF[bez_Ctrl];
bezCompF[bez_Ctrl] = 0.0;
}
bezCompS[bez_cycle] += sloRez;
bezCompS[bez_Ctrl] += (fmax(fabs(inputSampleL),fabs(inputSampleR)) * sloRez);
if (bezCompS[bez_cycle] > 1.0) {
bezCompS[bez_cycle] -= 1.0;
bezCompS[bez_C] = bezCompS[bez_B];
bezCompS[bez_B] = bezCompS[bez_A];
bezCompS[bez_A] = bezCompS[bez_Ctrl];
bezCompS[bez_Ctrl] = 0.0;
}
double CBF = (bezCompF[bez_C]*(1.0-bezCompF[bez_cycle]))+(bezCompF[bez_B]*bezCompF[bez_cycle]);
double BAF = (bezCompF[bez_B]*(1.0-bezCompF[bez_cycle]))+(bezCompF[bez_A]*bezCompF[bez_cycle]);
double CBAF = (bezCompF[bez_B]+(CBF*(1.0-bezCompF[bez_cycle]))+(BAF*bezCompF[bez_cycle]))*0.5;
double CBS = (bezCompS[bez_C]*(1.0-bezCompS[bez_cycle]))+(bezCompS[bez_B]*bezCompS[bez_cycle]);
double BAS = (bezCompS[bez_B]*(1.0-bezCompS[bez_cycle]))+(bezCompS[bez_A]*bezCompS[bez_cycle]);
double CBAS = (bezCompS[bez_B]+(CBS*(1.0-bezCompS[bez_cycle]))+(BAS*bezCompS[bez_cycle]))*0.5;
double CBAMax = fmax(CBAS,CBAF); if (CBAMax > 0.0) CBAMax = 1.0/CBAMax;
double CBAFade = ((CBAS*-CBAMax)+(CBAF*CBAMax)+1.0)*0.5;
inputSampleL *= 1.0-(fmin(((CBAS*(1.0-CBAFade))+(CBAF*CBAFade))*bezCThresh,1.0));
inputSampleR *= 1.0-(fmin(((CBAS*(1.0-CBAFade))+(CBAF*CBAFade))*bezCThresh,1.0));
} else {bezCompF[bez_Ctrl] = 0.0; bezCompS[bez_Ctrl] = 0.0;}
//Dynamics2 custom version for buss
const double temp = (double)sampleFrames/inFramesToProcess;
double gainR = (panA*temp)+(panB*(1.0-temp));
double gainL = 1.57079633-gainR;
gainR = sin(gainR); gainL = sin(gainL);
double gain = (inTrimA*temp)+(inTrimB*(1.0-temp));
if (gain > 1.0) gain *= gain;
if (gain < 1.0) gain = 1.0-pow(1.0-gain,2);
gain *= 2.0;
inputSampleL = inputSampleL * gainL * gain;
inputSampleR = inputSampleR * gainR * gain;
//applies pan section, and smoothed fader gain
double darkSampleL = inputSampleL;
double darkSampleR = inputSampleR;
if (avgPos > 31) avgPos = 0;
if (spacing > 31) {
avg32L[avgPos] = darkSampleL; avg32R[avgPos] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 32; x++) {darkSampleL += avg32L[x]; darkSampleR += avg32R[x];}
darkSampleL /= 32.0; darkSampleR /= 32.0;
} if (spacing > 15) {
avg16L[avgPos%16] = darkSampleL; avg16R[avgPos%16] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 16; x++) {darkSampleL += avg16L[x]; darkSampleR += avg16R[x];}
darkSampleL /= 16.0; darkSampleR /= 16.0;
} if (spacing > 7) {
avg8L[avgPos%8] = darkSampleL; avg8R[avgPos%8] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 8; x++) {darkSampleL += avg8L[x]; darkSampleR += avg8R[x];}
darkSampleL /= 8.0; darkSampleR /= 8.0;
} if (spacing > 3) {
avg4L[avgPos%4] = darkSampleL; avg4R[avgPos%4] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 4; x++) {darkSampleL += avg4L[x]; darkSampleR += avg4R[x];}
darkSampleL /= 4.0; darkSampleR /= 4.0;
} if (spacing > 1) {
avg2L[avgPos%2] = darkSampleL; avg2R[avgPos%2] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 2; x++) {darkSampleL += avg2L[x]; darkSampleR += avg2R[x];}
darkSampleL /= 2.0; darkSampleR /= 2.0;
} avgPos++;
lastSlewL += fabs(lastSlewpleL-inputSampleL); lastSlewpleL = inputSampleL;
double avgSlewL = fmin(lastSlewL*lastSlewL*(0.0635-(overallscale*0.0018436)),1.0);
lastSlewL = fmax(lastSlewL*0.78,2.39996322972865332223);
lastSlewR += fabs(lastSlewpleR-inputSampleR); lastSlewpleR = inputSampleR;
double avgSlewR = fmin(lastSlewR*lastSlewR*(0.0635-(overallscale*0.0018436)),1.0);
lastSlewR = fmax(lastSlewR*0.78,2.39996322972865332223); //look up Golden Angle, it's cool
inputSampleL = (inputSampleL*(1.0-avgSlewL)) + (darkSampleL*avgSlewL);
inputSampleR = (inputSampleR*(1.0-avgSlewR)) + (darkSampleR*avgSlewR);
inputSampleL = fmin(fmax(inputSampleL,-2.032610446872596),2.032610446872596);
long double X = inputSampleL * inputSampleL;
long double sat = inputSampleL * X;
inputSampleL -= (sat*0.125); sat *= X;
inputSampleL += (sat*0.0078125); sat *= X;
inputSampleL -= (sat*0.000244140625); sat *= X;
inputSampleL += (sat*0.000003814697265625); sat *= X;
inputSampleL -= (sat*0.0000000298023223876953125); sat *= X;
//purestsaturation: sine, except all the corrections
//retain mantissa of a long double increasing power function
inputSampleR = fmin(fmax(inputSampleR,-2.032610446872596),2.032610446872596);
X = inputSampleR * inputSampleR;
sat = inputSampleR * X;
inputSampleR -= (sat*0.125); sat *= X;
inputSampleR += (sat*0.0078125); sat *= X;
inputSampleR -= (sat*0.000244140625); sat *= X;
inputSampleR += (sat*0.000003814697265625); sat *= X;
inputSampleR -= (sat*0.0000000298023223876953125); sat *= X;
//purestsaturation: sine, except all the corrections
//retain mantissa of a long double increasing power function
//we are leaving it as a clip that will go over 0dB.
//it is a softclip so it will give you a more forgiving experience,
//but you are meant to not drive the softclip for just level.
//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 ConsoleX2Buss::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
int spacing = floor(overallscale*2.0);
if (spacing < 2) spacing = 2; if (spacing > 32) spacing = 32;
double trebleGain = (HIG-0.5)*2.0;
trebleGain = 1.0+(trebleGain*fabs(trebleGain)*fabs(trebleGain));
double highmidGain = (HMG-0.5)*2.0;
highmidGain = 1.0+(highmidGain*fabs(highmidGain)*fabs(highmidGain));
double lowmidGain = (LMG-0.5)*2.0;
lowmidGain = 1.0+(lowmidGain*fabs(lowmidGain)*fabs(lowmidGain));
double bassGain = (BSG-0.5)*2.0;
bassGain = 1.0+(bassGain*fabs(bassGain)*fabs(bassGain));
double highCoef = 0.0;
double midCoef = 0.0;
double lowCoef = 0.0;
bool eqOff = (trebleGain == 1.0 && highmidGain == 1.0 && lowmidGain == 1.0 && bassGain == 1.0);
//we get to completely bypass EQ if we're truly not using it. The mechanics of it mean that
//it cancels out to bit-identical anyhow, but we get to skip the calculation
if (!eqOff) {
double trebleRef = HIF-0.5;
double highmidRef = HMF-0.5;
double lowmidRef = LMF-0.5;
double bassRef = BSF-0.5;
double highF = 0.75 + ((trebleRef+trebleRef+trebleRef+highmidRef)*0.125);
double bassF = 0.25 + ((lowmidRef+bassRef+bassRef+bassRef)*0.125);
double midF = (highF*0.5) + (bassF*0.5) + ((highmidRef+lowmidRef)*0.125);
double highQ = fmax(fmin(1.0+(highmidRef-trebleRef),4.0),0.125);
double midQ = fmax(fmin(1.0+(lowmidRef-highmidRef),4.0),0.125);
double lowQ = fmax(fmin(1.0+(bassRef-lowmidRef),4.0),0.125);
highA[biq_freq] = ((pow(highF,3)*20000.0)/getSampleRate());
highC[biq_freq] = highB[biq_freq] = highA[biq_freq] = fmax(fmin(highA[biq_freq],0.4999),0.00025);
double highFreq = pow(highF,3)*20000.0;
double omega = 2.0*M_PI*(highFreq/getSampleRate());
double biqK = 2.0-cos(omega);
highCoef = -sqrt((biqK*biqK)-1.0)+biqK;
highA[biq_reso] = 2.24697960 * highQ;
highB[biq_reso] = 0.80193774 * highQ;
highC[biq_reso] = 0.55495813 * highQ;
midA[biq_freq] = ((pow(midF,3)*20000.0)/getSampleRate());
midC[biq_freq] = midB[biq_freq] = midA[biq_freq] = fmax(fmin(midA[biq_freq],0.4999),0.00025);
double midFreq = pow(midF,3)*20000.0;
omega = 2.0*M_PI*(midFreq/getSampleRate());
biqK = 2.0-cos(omega);
midCoef = -sqrt((biqK*biqK)-1.0)+biqK;
midA[biq_reso] = 2.24697960 * midQ;
midB[biq_reso] = 0.80193774 * midQ;
midC[biq_reso] = 0.55495813 * midQ;
lowA[biq_freq] = ((pow(bassF,3)*20000.0)/getSampleRate());
lowC[biq_freq] = lowB[biq_freq] = lowA[biq_freq] = fmax(fmin(lowA[biq_freq],0.4999),0.00025);
double lowFreq = pow(bassF,3)*20000.0;
omega = 2.0*M_PI*(lowFreq/getSampleRate());
biqK = 2.0-cos(omega);
lowCoef = -sqrt((biqK*biqK)-1.0)+biqK;
lowA[biq_reso] = 2.24697960 * lowQ;
lowB[biq_reso] = 0.80193774 * lowQ;
lowC[biq_reso] = 0.55495813 * lowQ;
biqK = tan(M_PI * highA[biq_freq]);
double norm = 1.0 / (1.0 + biqK / highA[biq_reso] + biqK * biqK);
highA[biq_a0] = biqK * biqK * norm;
highA[biq_a1] = 2.0 * highA[biq_a0];
highA[biq_a2] = highA[biq_a0];
highA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highA[biq_b2] = (1.0 - biqK / highA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * highB[biq_freq]);
norm = 1.0 / (1.0 + biqK / highB[biq_reso] + biqK * biqK);
highB[biq_a0] = biqK * biqK * norm;
highB[biq_a1] = 2.0 * highB[biq_a0];
highB[biq_a2] = highB[biq_a0];
highB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highB[biq_b2] = (1.0 - biqK / highB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * highC[biq_freq]);
norm = 1.0 / (1.0 + biqK / highC[biq_reso] + biqK * biqK);
highC[biq_a0] = biqK * biqK * norm;
highC[biq_a1] = 2.0 * highC[biq_a0];
highC[biq_a2] = highC[biq_a0];
highC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
highC[biq_b2] = (1.0 - biqK / highC[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midA[biq_freq]);
norm = 1.0 / (1.0 + biqK / midA[biq_reso] + biqK * biqK);
midA[biq_a0] = biqK * biqK * norm;
midA[biq_a1] = 2.0 * midA[biq_a0];
midA[biq_a2] = midA[biq_a0];
midA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midA[biq_b2] = (1.0 - biqK / midA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midB[biq_freq]);
norm = 1.0 / (1.0 + biqK / midB[biq_reso] + biqK * biqK);
midB[biq_a0] = biqK * biqK * norm;
midB[biq_a1] = 2.0 * midB[biq_a0];
midB[biq_a2] = midB[biq_a0];
midB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midB[biq_b2] = (1.0 - biqK / midB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * midC[biq_freq]);
norm = 1.0 / (1.0 + biqK / midC[biq_reso] + biqK * biqK);
midC[biq_a0] = biqK * biqK * norm;
midC[biq_a1] = 2.0 * midC[biq_a0];
midC[biq_a2] = midC[biq_a0];
midC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
midC[biq_b2] = (1.0 - biqK / midC[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowA[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowA[biq_reso] + biqK * biqK);
lowA[biq_a0] = biqK * biqK * norm;
lowA[biq_a1] = 2.0 * lowA[biq_a0];
lowA[biq_a2] = lowA[biq_a0];
lowA[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowA[biq_b2] = (1.0 - biqK / lowA[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowB[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowB[biq_reso] + biqK * biqK);
lowB[biq_a0] = biqK * biqK * norm;
lowB[biq_a1] = 2.0 * lowB[biq_a0];
lowB[biq_a2] = lowB[biq_a0];
lowB[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowB[biq_b2] = (1.0 - biqK / lowB[biq_reso] + biqK * biqK) * norm;
biqK = tan(M_PI * lowC[biq_freq]);
norm = 1.0 / (1.0 + biqK / lowC[biq_reso] + biqK * biqK);
lowC[biq_a0] = biqK * biqK * norm;
lowC[biq_a1] = 2.0 * lowC[biq_a0];
lowC[biq_a2] = lowC[biq_a0];
lowC[biq_b1] = 2.0 * (biqK * biqK - 1.0) * norm;
lowC[biq_b2] = (1.0 - biqK / lowC[biq_reso] + biqK * biqK) * norm;
}
//SmoothEQ2
double bezCThresh = pow(1.0-THR, 6.0) * 8.0;
double bezRez = pow(1.0-THR, 12.360679774997898) / overallscale;
double sloRez = pow(1.0-THR,10.0) / overallscale;
sloRez = fmin(fmax(sloRez,0.00001),1.0);
bezRez = fmin(fmax(bezRez,0.00001),1.0);
//Dynamics2
panA = panB; panB = PAN*1.57079633;
inTrimA = inTrimB; inTrimB = FAD*2.0;
//Console
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;
if (inputSampleL > 1.0) inputSampleL = 1.0;
else if (inputSampleL > 0.0) inputSampleL = -expm1((log1p(-inputSampleL) * 0.6180339887498949));
if (inputSampleL < -1.0) inputSampleL = -1.0;
else if (inputSampleL < 0.0) inputSampleL = expm1((log1p(inputSampleL) * 0.6180339887498949));
if (inputSampleR > 1.0) inputSampleR = 1.0;
else if (inputSampleR > 0.0) inputSampleR = -expm1((log1p(-inputSampleR) * 0.6180339887498949));
if (inputSampleR < -1.0) inputSampleR = -1.0;
else if (inputSampleR < 0.0) inputSampleR = expm1((log1p(inputSampleR) * 0.6180339887498949));
if (!eqOff) {
double trebleL = inputSampleL;
double outSample = (trebleL * highA[biq_a0]) + highA[biq_sL1];
highA[biq_sL1] = (trebleL * highA[biq_a1]) - (outSample * highA[biq_b1]) + highA[biq_sL2];
highA[biq_sL2] = (trebleL * highA[biq_a2]) - (outSample * highA[biq_b2]);
double highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midA[biq_a0]) + midA[biq_sL1];
midA[biq_sL1] = (highmidL * midA[biq_a1]) - (outSample * midA[biq_b1]) + midA[biq_sL2];
midA[biq_sL2] = (highmidL * midA[biq_a2]) - (outSample * midA[biq_b2]);
double lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowA[biq_a0]) + lowA[biq_sL1];
lowA[biq_sL1] = (lowmidL * lowA[biq_a1]) - (outSample * lowA[biq_b1]) + lowA[biq_sL2];
lowA[biq_sL2] = (lowmidL * lowA[biq_a2]) - (outSample * lowA[biq_b2]);
double bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//first stage of three crossovers
outSample = (trebleL * highB[biq_a0]) + highB[biq_sL1];
highB[biq_sL1] = (trebleL * highB[biq_a1]) - (outSample * highB[biq_b1]) + highB[biq_sL2];
highB[biq_sL2] = (trebleL * highB[biq_a2]) - (outSample * highB[biq_b2]);
highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midB[biq_a0]) + midB[biq_sL1];
midB[biq_sL1] = (highmidL * midB[biq_a1]) - (outSample * midB[biq_b1]) + midB[biq_sL2];
midB[biq_sL2] = (highmidL * midB[biq_a2]) - (outSample * midB[biq_b2]);
lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowB[biq_a0]) + lowB[biq_sL1];
lowB[biq_sL1] = (lowmidL * lowB[biq_a1]) - (outSample * lowB[biq_b1]) + lowB[biq_sL2];
lowB[biq_sL2] = (lowmidL * lowB[biq_a2]) - (outSample * lowB[biq_b2]);
bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//second stage of three crossovers
outSample = (trebleL * highC[biq_a0]) + highC[biq_sL1];
highC[biq_sL1] = (trebleL * highC[biq_a1]) - (outSample * highC[biq_b1]) + highC[biq_sL2];
highC[biq_sL2] = (trebleL * highC[biq_a2]) - (outSample * highC[biq_b2]);
highmidL = outSample; trebleL -= highmidL;
outSample = (highmidL * midC[biq_a0]) + midC[biq_sL1];
midC[biq_sL1] = (highmidL * midC[biq_a1]) - (outSample * midC[biq_b1]) + midC[biq_sL2];
midC[biq_sL2] = (highmidL * midC[biq_a2]) - (outSample * midC[biq_b2]);
lowmidL = outSample; highmidL -= lowmidL;
outSample = (lowmidL * lowC[biq_a0]) + lowC[biq_sL1];
lowC[biq_sL1] = (lowmidL * lowC[biq_a1]) - (outSample * lowC[biq_b1]) + lowC[biq_sL2];
lowC[biq_sL2] = (lowmidL * lowC[biq_a2]) - (outSample * lowC[biq_b2]);
bassL = outSample; lowmidL -= bassL;
trebleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//third stage of three crossovers
highLIIR = (highLIIR*highCoef) + (trebleL*(1.0-highCoef));
highmidL = highLIIR; trebleL -= highmidL;
midLIIR = (midLIIR*midCoef) + (highmidL*(1.0-midCoef));
lowmidL = midLIIR; highmidL -= lowmidL;
lowLIIR = (lowLIIR*lowCoef) + (lowmidL*(1.0-lowCoef));
bassL = lowLIIR; lowmidL -= bassL;
inputSampleL = (bassL*bassGain) + (lowmidL*lowmidGain) + (highmidL*highmidGain) + (trebleL*trebleGain);
//fourth stage of three crossovers is the exponential filters
double trebleR = inputSampleR;
outSample = (trebleR * highA[biq_a0]) + highA[biq_sR1];
highA[biq_sR1] = (trebleR * highA[biq_a1]) - (outSample * highA[biq_b1]) + highA[biq_sR2];
highA[biq_sR2] = (trebleR * highA[biq_a2]) - (outSample * highA[biq_b2]);
double highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midA[biq_a0]) + midA[biq_sR1];
midA[biq_sR1] = (highmidR * midA[biq_a1]) - (outSample * midA[biq_b1]) + midA[biq_sR2];
midA[biq_sR2] = (highmidR * midA[biq_a2]) - (outSample * midA[biq_b2]);
double lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowA[biq_a0]) + lowA[biq_sR1];
lowA[biq_sR1] = (lowmidR * lowA[biq_a1]) - (outSample * lowA[biq_b1]) + lowA[biq_sR2];
lowA[biq_sR2] = (lowmidR * lowA[biq_a2]) - (outSample * lowA[biq_b2]);
double bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//first stage of three crossovers
outSample = (trebleR * highB[biq_a0]) + highB[biq_sR1];
highB[biq_sR1] = (trebleR * highB[biq_a1]) - (outSample * highB[biq_b1]) + highB[biq_sR2];
highB[biq_sR2] = (trebleR * highB[biq_a2]) - (outSample * highB[biq_b2]);
highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midB[biq_a0]) + midB[biq_sR1];
midB[biq_sR1] = (highmidR * midB[biq_a1]) - (outSample * midB[biq_b1]) + midB[biq_sR2];
midB[biq_sR2] = (highmidR * midB[biq_a2]) - (outSample * midB[biq_b2]);
lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowB[biq_a0]) + lowB[biq_sR1];
lowB[biq_sR1] = (lowmidR * lowB[biq_a1]) - (outSample * lowB[biq_b1]) + lowB[biq_sR2];
lowB[biq_sR2] = (lowmidR * lowB[biq_a2]) - (outSample * lowB[biq_b2]);
bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//second stage of three crossovers
outSample = (trebleR * highC[biq_a0]) + highC[biq_sR1];
highC[biq_sR1] = (trebleR * highC[biq_a1]) - (outSample * highC[biq_b1]) + highC[biq_sR2];
highC[biq_sR2] = (trebleR * highC[biq_a2]) - (outSample * highC[biq_b2]);
highmidR = outSample; trebleR -= highmidR;
outSample = (highmidR * midC[biq_a0]) + midC[biq_sR1];
midC[biq_sR1] = (highmidR * midC[biq_a1]) - (outSample * midC[biq_b1]) + midC[biq_sR2];
midC[biq_sR2] = (highmidR * midC[biq_a2]) - (outSample * midC[biq_b2]);
lowmidR = outSample; highmidR -= lowmidR;
outSample = (lowmidR * lowC[biq_a0]) + lowC[biq_sR1];
lowC[biq_sR1] = (lowmidR * lowC[biq_a1]) - (outSample * lowC[biq_b1]) + lowC[biq_sR2];
lowC[biq_sR2] = (lowmidR * lowC[biq_a2]) - (outSample * lowC[biq_b2]);
bassR = outSample; lowmidR -= bassR;
trebleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//third stage of three crossovers
highRIIR = (highRIIR*highCoef) + (trebleR*(1.0-highCoef));
highmidR = highRIIR; trebleR -= highmidR;
midRIIR = (midRIIR*midCoef) + (highmidR*(1.0-midCoef));
lowmidR = midRIIR; highmidR -= lowmidR;
lowRIIR = (lowRIIR*lowCoef) + (lowmidR*(1.0-lowCoef));
bassR = lowRIIR; lowmidR -= bassR;
inputSampleR = (bassR*bassGain) + (lowmidR*lowmidGain) + (highmidR*highmidGain) + (trebleR*trebleGain);
//fourth stage of three crossovers is the exponential filters
}
//SmoothEQ2
if (bezCThresh > 0.0) {
inputSampleL *= ((bezCThresh*0.5)+1.0);
inputSampleR *= ((bezCThresh*0.5)+1.0);
bezCompF[bez_cycle] += bezRez;
bezCompF[bez_Ctrl] += (fmax(fabs(inputSampleL),fabs(inputSampleR)) * bezRez);
if (bezCompF[bez_cycle] > 1.0) {
bezCompF[bez_cycle] -= 1.0;
bezCompF[bez_C] = bezCompF[bez_B];
bezCompF[bez_B] = bezCompF[bez_A];
bezCompF[bez_A] = bezCompF[bez_Ctrl];
bezCompF[bez_Ctrl] = 0.0;
}
bezCompS[bez_cycle] += sloRez;
bezCompS[bez_Ctrl] += (fmax(fabs(inputSampleL),fabs(inputSampleR)) * sloRez);
if (bezCompS[bez_cycle] > 1.0) {
bezCompS[bez_cycle] -= 1.0;
bezCompS[bez_C] = bezCompS[bez_B];
bezCompS[bez_B] = bezCompS[bez_A];
bezCompS[bez_A] = bezCompS[bez_Ctrl];
bezCompS[bez_Ctrl] = 0.0;
}
double CBF = (bezCompF[bez_C]*(1.0-bezCompF[bez_cycle]))+(bezCompF[bez_B]*bezCompF[bez_cycle]);
double BAF = (bezCompF[bez_B]*(1.0-bezCompF[bez_cycle]))+(bezCompF[bez_A]*bezCompF[bez_cycle]);
double CBAF = (bezCompF[bez_B]+(CBF*(1.0-bezCompF[bez_cycle]))+(BAF*bezCompF[bez_cycle]))*0.5;
double CBS = (bezCompS[bez_C]*(1.0-bezCompS[bez_cycle]))+(bezCompS[bez_B]*bezCompS[bez_cycle]);
double BAS = (bezCompS[bez_B]*(1.0-bezCompS[bez_cycle]))+(bezCompS[bez_A]*bezCompS[bez_cycle]);
double CBAS = (bezCompS[bez_B]+(CBS*(1.0-bezCompS[bez_cycle]))+(BAS*bezCompS[bez_cycle]))*0.5;
double CBAMax = fmax(CBAS,CBAF); if (CBAMax > 0.0) CBAMax = 1.0/CBAMax;
double CBAFade = ((CBAS*-CBAMax)+(CBAF*CBAMax)+1.0)*0.5;
inputSampleL *= 1.0-(fmin(((CBAS*(1.0-CBAFade))+(CBAF*CBAFade))*bezCThresh,1.0));
inputSampleR *= 1.0-(fmin(((CBAS*(1.0-CBAFade))+(CBAF*CBAFade))*bezCThresh,1.0));
} else {bezCompF[bez_Ctrl] = 0.0; bezCompS[bez_Ctrl] = 0.0;}
//Dynamics2 custom version for buss
const double temp = (double)sampleFrames/inFramesToProcess;
double gainR = (panA*temp)+(panB*(1.0-temp));
double gainL = 1.57079633-gainR;
gainR = sin(gainR); gainL = sin(gainL);
double gain = (inTrimA*temp)+(inTrimB*(1.0-temp));
if (gain > 1.0) gain *= gain;
if (gain < 1.0) gain = 1.0-pow(1.0-gain,2);
gain *= 2.0;
inputSampleL = inputSampleL * gainL * gain;
inputSampleR = inputSampleR * gainR * gain;
//applies pan section, and smoothed fader gain
double darkSampleL = inputSampleL;
double darkSampleR = inputSampleR;
if (avgPos > 31) avgPos = 0;
if (spacing > 31) {
avg32L[avgPos] = darkSampleL; avg32R[avgPos] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 32; x++) {darkSampleL += avg32L[x]; darkSampleR += avg32R[x];}
darkSampleL /= 32.0; darkSampleR /= 32.0;
} if (spacing > 15) {
avg16L[avgPos%16] = darkSampleL; avg16R[avgPos%16] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 16; x++) {darkSampleL += avg16L[x]; darkSampleR += avg16R[x];}
darkSampleL /= 16.0; darkSampleR /= 16.0;
} if (spacing > 7) {
avg8L[avgPos%8] = darkSampleL; avg8R[avgPos%8] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 8; x++) {darkSampleL += avg8L[x]; darkSampleR += avg8R[x];}
darkSampleL /= 8.0; darkSampleR /= 8.0;
} if (spacing > 3) {
avg4L[avgPos%4] = darkSampleL; avg4R[avgPos%4] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 4; x++) {darkSampleL += avg4L[x]; darkSampleR += avg4R[x];}
darkSampleL /= 4.0; darkSampleR /= 4.0;
} if (spacing > 1) {
avg2L[avgPos%2] = darkSampleL; avg2R[avgPos%2] = darkSampleR;
darkSampleL = 0.0; darkSampleR = 0.0;
for (int x = 0; x < 2; x++) {darkSampleL += avg2L[x]; darkSampleR += avg2R[x];}
darkSampleL /= 2.0; darkSampleR /= 2.0;
} avgPos++;
lastSlewL += fabs(lastSlewpleL-inputSampleL); lastSlewpleL = inputSampleL;
double avgSlewL = fmin(lastSlewL*lastSlewL*(0.0635-(overallscale*0.0018436)),1.0);
lastSlewL = fmax(lastSlewL*0.78,2.39996322972865332223);
lastSlewR += fabs(lastSlewpleR-inputSampleR); lastSlewpleR = inputSampleR;
double avgSlewR = fmin(lastSlewR*lastSlewR*(0.0635-(overallscale*0.0018436)),1.0);
lastSlewR = fmax(lastSlewR*0.78,2.39996322972865332223); //look up Golden Angle, it's cool
inputSampleL = (inputSampleL*(1.0-avgSlewL)) + (darkSampleL*avgSlewL);
inputSampleR = (inputSampleR*(1.0-avgSlewR)) + (darkSampleR*avgSlewR);
inputSampleL = fmin(fmax(inputSampleL,-2.032610446872596),2.032610446872596);
long double X = inputSampleL * inputSampleL;
long double sat = inputSampleL * X;
inputSampleL -= (sat*0.125); sat *= X;
inputSampleL += (sat*0.0078125); sat *= X;
inputSampleL -= (sat*0.000244140625); sat *= X;
inputSampleL += (sat*0.000003814697265625); sat *= X;
inputSampleL -= (sat*0.0000000298023223876953125); sat *= X;
//purestsaturation: sine, except all the corrections
//retain mantissa of a long double increasing power function
inputSampleR = fmin(fmax(inputSampleR,-2.032610446872596),2.032610446872596);
X = inputSampleR * inputSampleR;
sat = inputSampleR * X;
inputSampleR -= (sat*0.125); sat *= X;
inputSampleR += (sat*0.0078125); sat *= X;
inputSampleR -= (sat*0.000244140625); sat *= X;
inputSampleR += (sat*0.000003814697265625); sat *= X;
inputSampleR -= (sat*0.0000000298023223876953125); sat *= X;
//purestsaturation: sine, except all the corrections
//retain mantissa of a long double increasing power function
//we are leaving it as a clip that will go over 0dB.
//it is a softclip so it will give you a more forgiving experience,
//but you are meant to not drive the softclip for just level.
//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++;
}
}
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