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https://github.com/airwindows/airwindows.git
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578 lines
24 KiB
C++
Executable file
578 lines
24 KiB
C++
Executable file
/* ========================================
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* Infinity - Infinity.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __Infinity_H
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#include "Infinity.h"
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#endif
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void Infinity::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
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{
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float* in1 = inputs[0];
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float* in2 = inputs[1];
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float* out1 = outputs[0];
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float* out2 = outputs[1];
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biquadC[0] = biquadB[0] = biquadA[0] = ((pow(A,2)*9900.0)+100.0) / getSampleRate();
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biquadA[1] = 0.618033988749894848204586;
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biquadB[1] = (A*0.5)+0.118033988749894848204586;
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biquadC[1] = 0.5;
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double K = tan(M_PI * biquadA[0]); //lowpass
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double norm = 1.0 / (1.0 + K / biquadA[1] + K * K);
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biquadA[2] = K * K * norm;
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biquadA[3] = 2.0 * biquadA[2];
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biquadA[4] = biquadA[2];
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biquadA[5] = 2.0 * (K * K - 1.0) * norm;
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biquadA[6] = (1.0 - K / biquadA[1] + K * K) * norm;
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K = tan(M_PI * biquadA[0]);
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norm = 1.0 / (1.0 + K / biquadB[1] + K * K);
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biquadB[2] = K * K * norm;
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biquadB[3] = 2.0 * biquadB[2];
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biquadB[4] = biquadB[2];
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biquadB[5] = 2.0 * (K * K - 1.0) * norm;
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biquadB[6] = (1.0 - K / biquadB[1] + K * K) * norm;
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K = tan(M_PI * biquadC[0]);
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norm = 1.0 / (1.0 + K / biquadC[1] + K * K);
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biquadC[2] = K * K * norm;
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biquadC[3] = 2.0 * biquadC[2];
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biquadC[4] = biquadC[2];
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biquadC[5] = 2.0 * (K * K - 1.0) * norm;
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biquadC[6] = (1.0 - K / biquadC[1] + K * K) * norm;
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double damping = pow(B,2)*0.5;
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double size = (pow(C,2)*90.0)+10.0;
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double wet = D;
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delayA = 79*size;
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delayB = 73*size;
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delayC = 71*size;
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delayD = 67*size;
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delayE = 61*size;
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delayF = 59*size;
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delayG = 53*size;
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delayH = 47*size;
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delayI = 43*size;
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delayJ = 41*size;
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delayK = 37*size;
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delayL = 31*size;
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while (--sampleFrames >= 0)
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{
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double inputSampleL = *in1;
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double inputSampleR = *in2;
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if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
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if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
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double drySampleL = inputSampleL;
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double drySampleR = inputSampleR;
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double tempSampleL = (inputSampleL * biquadA[2]) + biquadA[7];
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biquadA[7] = (inputSampleL * biquadA[3]) - (tempSampleL * biquadA[5]) + biquadA[8];
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biquadA[8] = (inputSampleL * biquadA[4]) - (tempSampleL * biquadA[6]);
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inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
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double tempSampleR = (inputSampleR * biquadA[2]) + biquadA[9];
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biquadA[9] = (inputSampleR * biquadA[3]) - (tempSampleR * biquadA[5]) + biquadA[10];
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biquadA[10] = (inputSampleR * biquadA[4]) - (tempSampleR * biquadA[6]);
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inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
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inputSampleL *= wet;
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inputSampleR *= wet;
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//we're going to use this as a kind of balance since the reverb buildup can be so large
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inputSampleL *= 0.5;
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inputSampleR *= 0.5;
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double allpassIL = inputSampleL;
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double allpassJL = inputSampleL;
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double allpassKL = inputSampleL;
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double allpassLL = inputSampleL;
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double allpassIR = inputSampleR;
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double allpassJR = inputSampleR;
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double allpassKR = inputSampleR;
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double allpassLR = inputSampleR;
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int allpasstemp = countI + 1;
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if (allpasstemp < 0 || allpasstemp > delayI) {allpasstemp = 0;}
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allpassIL -= aIL[allpasstemp]*0.5;
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aIL[countI] = allpassIL;
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allpassIL *= 0.5;
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allpassIR -= aIR[allpasstemp]*0.5;
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aIR[countI] = allpassIR;
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allpassIR *= 0.5;
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countI++; if (countI < 0 || countI > delayI) {countI = 0;}
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allpassIL += (aIL[countI]);
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allpassIR += (aIR[countI]);
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allpasstemp = countJ + 1;
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if (allpasstemp < 0 || allpasstemp > delayJ) {allpasstemp = 0;}
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allpassJL -= aJL[allpasstemp]*0.5;
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aJL[countJ] = allpassJL;
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allpassJL *= 0.5;
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allpassJR -= aJR[allpasstemp]*0.5;
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aJR[countJ] = allpassJR;
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allpassJR *= 0.5;
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countJ++; if (countJ < 0 || countJ > delayJ) {countJ = 0;}
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allpassJL += (aJL[countJ]);
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allpassJR += (aJR[countJ]);
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allpasstemp = countK + 1;
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if (allpasstemp < 0 || allpasstemp > delayK) {allpasstemp = 0;}
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allpassKL -= aKL[allpasstemp]*0.5;
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aKL[countK] = allpassKL;
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allpassKL *= 0.5;
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allpassKR -= aKR[allpasstemp]*0.5;
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aKR[countK] = allpassKR;
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allpassKR *= 0.5;
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countK++; if (countK < 0 || countK > delayK) {countK = 0;}
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allpassKL += (aKL[countK]);
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allpassKR += (aKR[countK]);
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allpasstemp = countL + 1;
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if (allpasstemp < 0 || allpasstemp > delayL) {allpasstemp = 0;}
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allpassLL -= aLL[allpasstemp]*0.5;
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aLL[countL] = allpassLL;
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allpassLL *= 0.5;
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allpassLR -= aLR[allpasstemp]*0.5;
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aLR[countL] = allpassLR;
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allpassLR *= 0.5;
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countL++; if (countL < 0 || countL > delayL) {countL = 0;}
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allpassLL += (aLL[countL]);
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allpassLR += (aLR[countL]);
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//the big allpass in front of everything
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aAL[countA] = allpassLL + feedbackAL;
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aBL[countB] = allpassKL + feedbackBL;
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aCL[countC] = allpassJL + feedbackCL;
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aDL[countD] = allpassIL + feedbackDL;
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aEL[countE] = allpassIL + feedbackEL;
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aFL[countF] = allpassJL + feedbackFL;
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aGL[countG] = allpassKL + feedbackGL;
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aHL[countH] = allpassLL + feedbackHL; //L
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aAR[countA] = allpassLR + feedbackAR;
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aBR[countB] = allpassKR + feedbackBR;
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aCR[countC] = allpassJR + feedbackCR;
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aDR[countD] = allpassIR + feedbackDR;
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aER[countE] = allpassIR + feedbackER;
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aFR[countF] = allpassJR + feedbackFR;
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aGR[countG] = allpassKR + feedbackGR;
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aHR[countH] = allpassLR + feedbackHR; //R
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countA++; if (countA < 0 || countA > delayA) {countA = 0;}
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countB++; if (countB < 0 || countB > delayB) {countB = 0;}
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countC++; if (countC < 0 || countC > delayC) {countC = 0;}
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countD++; if (countD < 0 || countD > delayD) {countD = 0;}
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countE++; if (countE < 0 || countE > delayE) {countE = 0;}
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countF++; if (countF < 0 || countF > delayF) {countF = 0;}
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countG++; if (countG < 0 || countG > delayG) {countG = 0;}
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countH++; if (countH < 0 || countH > delayH) {countH = 0;}
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//the Householder matrices (shared between channels, offset is stereo)
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double infiniteAL = (aAL[countA-((countA > delayA)?delayA+1:0)] * (1-(damping-floor(damping))) );
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infiniteAL += (aAL[countA+1-((countA+1 > delayA)?delayA+1:0)] * ((damping-floor(damping))) );
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double infiniteBL = aBL[countB-((countB > delayB)?delayB+1:0)];
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double infiniteCL = aCL[countC-((countC > delayC)?delayC+1:0)];
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double infiniteDL = aDL[countD-((countD > delayD)?delayD+1:0)];
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double infiniteAR = (aAR[countA-((countA > delayA)?delayA+1:0)] * (1-(damping-floor(damping))) );
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infiniteAR += (aAR[countA+1-((countA+1 > delayA)?delayA+1:0)] * ((damping-floor(damping))) );
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double infiniteBR = aBR[countB-((countB > delayB)?delayB+1:0)];
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double infiniteCR = aCR[countC-((countC > delayC)?delayC+1:0)];
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double infiniteDR = aDR[countD-((countD > delayD)?delayD+1:0)];
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double infiniteEL = (aEL[countE-((countE > delayE)?delayE+1:0)] * (1-(damping-floor(damping))) );
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infiniteEL += (aEL[countE+1-((countE+1 > delayE)?delayE+1:0)] * ((damping-floor(damping))) );
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double infiniteFL = aFL[countF-((countF > delayF)?delayF+1:0)];
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double infiniteGL = aGL[countG-((countG > delayG)?delayG+1:0)];
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double infiniteHL = aHL[countH-((countH > delayH)?delayH+1:0)];
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double infiniteER = (aER[countE-((countE > delayE)?delayE+1:0)] * (1-(damping-floor(damping))) );
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infiniteER += (aER[countE+1-((countE+1 > delayE)?delayE+1:0)] * ((damping-floor(damping))) );
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double infiniteFR = aFR[countF-((countF > delayF)?delayF+1:0)];
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double infiniteGR = aGR[countG-((countG > delayG)?delayG+1:0)];
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double infiniteHR = aHR[countH-((countH > delayH)?delayH+1:0)];
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double dialBackAL = 0.5;
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double dialBackEL = 0.5;
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double dialBackDryL = 0.5;
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if (fabs(infiniteAL)>0.4) dialBackAL -= ((fabs(infiniteAL)-0.4)*0.2);
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if (fabs(infiniteEL)>0.4) dialBackEL -= ((fabs(infiniteEL)-0.4)*0.2);
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if (fabs(drySampleL)>0.4) dialBackDryL -= ((fabs(drySampleL)-0.4)*0.2);
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//we're compressing things subtly so we can feed energy in and not overload
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double dialBackAR = 0.5;
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double dialBackER = 0.5;
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double dialBackDryR = 0.5;
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if (fabs(infiniteAR)>0.4) dialBackAR -= ((fabs(infiniteAR)-0.4)*0.2);
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if (fabs(infiniteER)>0.4) dialBackER -= ((fabs(infiniteER)-0.4)*0.2);
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if (fabs(drySampleR)>0.4) dialBackDryR -= ((fabs(drySampleR)-0.4)*0.2);
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//we're compressing things subtly so we can feed energy in and not overload
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feedbackAL = (infiniteAL - (infiniteBL + infiniteCL + infiniteDL)) * dialBackAL;
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feedbackBL = (infiniteBL - (infiniteAL + infiniteCL + infiniteDL)) * dialBackDryL;
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feedbackCL = (infiniteCL - (infiniteAL + infiniteBL + infiniteDL)) * dialBackDryL;
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feedbackDL = (infiniteDL - (infiniteAL + infiniteBL + infiniteCL)) * dialBackDryL; //Householder feedback matrix, L
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feedbackEL = (infiniteEL - (infiniteFL + infiniteGL + infiniteHL)) * dialBackEL;
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feedbackFL = (infiniteFL - (infiniteEL + infiniteGL + infiniteHL)) * dialBackDryL;
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feedbackGL = (infiniteGL - (infiniteEL + infiniteFL + infiniteHL)) * dialBackDryL;
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feedbackHL = (infiniteHL - (infiniteEL + infiniteFL + infiniteGL)) * dialBackDryL; //Householder feedback matrix, L
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feedbackAR = (infiniteAR - (infiniteBR + infiniteCR + infiniteDR)) * dialBackAR;
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feedbackBR = (infiniteBR - (infiniteAR + infiniteCR + infiniteDR)) * dialBackDryR;
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feedbackCR = (infiniteCR - (infiniteAR + infiniteBR + infiniteDR)) * dialBackDryR;
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feedbackDR = (infiniteDR - (infiniteAR + infiniteBR + infiniteCR)) * dialBackDryR; //Householder feedback matrix, R
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feedbackER = (infiniteER - (infiniteFR + infiniteGR + infiniteHR)) * dialBackER;
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feedbackFR = (infiniteFR - (infiniteER + infiniteGR + infiniteHR)) * dialBackDryR;
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feedbackGR = (infiniteGR - (infiniteER + infiniteFR + infiniteHR)) * dialBackDryR;
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feedbackHR = (infiniteHR - (infiniteER + infiniteFR + infiniteGR)) * dialBackDryR; //Householder feedback matrix, R
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inputSampleL = (infiniteAL + infiniteBL + infiniteCL + infiniteDL + infiniteEL + infiniteFL + infiniteGL + infiniteHL)/8.0;
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inputSampleR = (infiniteAR + infiniteBR + infiniteCR + infiniteDR + infiniteER + infiniteFR + infiniteGR + infiniteHR)/8.0;
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tempSampleL = (inputSampleL * biquadB[2]) + biquadB[7];
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biquadB[7] = (inputSampleL * biquadB[3]) - (tempSampleL * biquadB[5]) + biquadB[8];
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biquadB[8] = (inputSampleL * biquadB[4]) - (tempSampleL * biquadB[6]);
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inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
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tempSampleR = (inputSampleR * biquadB[2]) + biquadB[9];
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biquadB[9] = (inputSampleR * biquadB[3]) - (tempSampleR * biquadB[5]) + biquadB[10];
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biquadB[10] = (inputSampleR * biquadB[4]) - (tempSampleR * biquadB[6]);
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inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
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if (inputSampleL > 1.0) inputSampleL = 1.0;
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if (inputSampleL < -1.0) inputSampleL = -1.0;
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if (inputSampleR > 1.0) inputSampleR = 1.0;
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if (inputSampleR < -1.0) inputSampleR = -1.0;
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//without this, you can get a NaN condition where it spits out DC offset at full blast!
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inputSampleL = asin(inputSampleL);
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inputSampleR = asin(inputSampleR);
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tempSampleL = (inputSampleL * biquadC[2]) + biquadC[7];
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biquadC[7] = (inputSampleL * biquadC[3]) - (tempSampleL * biquadC[5]) + biquadC[8];
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biquadC[8] = (inputSampleL * biquadC[4]) - (tempSampleL * biquadC[6]);
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inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
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tempSampleR = (inputSampleR * biquadC[2]) + biquadC[9];
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biquadC[9] = (inputSampleR * biquadC[3]) - (tempSampleR * biquadC[5]) + biquadC[10];
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biquadC[10] = (inputSampleR * biquadC[4]) - (tempSampleR * biquadC[6]);
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inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
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if (wet !=1.0) {
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inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
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inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
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}
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//begin 32 bit stereo floating point dither
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int expon; frexpf((float)inputSampleL, &expon);
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fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
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inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
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frexpf((float)inputSampleR, &expon);
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fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
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inputSampleR += ((double(fpdR)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
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//end 32 bit stereo floating point dither
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*out1 = inputSampleL;
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*out2 = inputSampleR;
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*in1++;
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*in2++;
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*out1++;
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*out2++;
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}
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}
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void Infinity::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
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{
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double* in1 = inputs[0];
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double* in2 = inputs[1];
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double* out1 = outputs[0];
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double* out2 = outputs[1];
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biquadC[0] = biquadB[0] = biquadA[0] = ((pow(A,2)*9900.0)+100.0) / getSampleRate();
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biquadA[1] = 0.618033988749894848204586;
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biquadB[1] = (A*0.5)+0.118033988749894848204586;
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biquadC[1] = 0.5;
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double K = tan(M_PI * biquadA[0]); //lowpass
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double norm = 1.0 / (1.0 + K / biquadA[1] + K * K);
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biquadA[2] = K * K * norm;
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biquadA[3] = 2.0 * biquadA[2];
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biquadA[4] = biquadA[2];
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biquadA[5] = 2.0 * (K * K - 1.0) * norm;
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biquadA[6] = (1.0 - K / biquadA[1] + K * K) * norm;
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K = tan(M_PI * biquadA[0]);
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norm = 1.0 / (1.0 + K / biquadB[1] + K * K);
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biquadB[2] = K * K * norm;
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biquadB[3] = 2.0 * biquadB[2];
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biquadB[4] = biquadB[2];
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biquadB[5] = 2.0 * (K * K - 1.0) * norm;
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biquadB[6] = (1.0 - K / biquadB[1] + K * K) * norm;
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K = tan(M_PI * biquadC[0]);
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norm = 1.0 / (1.0 + K / biquadC[1] + K * K);
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biquadC[2] = K * K * norm;
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biquadC[3] = 2.0 * biquadC[2];
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biquadC[4] = biquadC[2];
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biquadC[5] = 2.0 * (K * K - 1.0) * norm;
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biquadC[6] = (1.0 - K / biquadC[1] + K * K) * norm;
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double damping = pow(B,2)*0.5;
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double size = (pow(C,2)*90.0)+10.0;
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double wet = D;
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delayA = 79*size;
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delayB = 73*size;
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delayC = 71*size;
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delayD = 67*size;
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delayE = 61*size;
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delayF = 59*size;
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delayG = 53*size;
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delayH = 47*size;
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delayI = 43*size;
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delayJ = 41*size;
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delayK = 37*size;
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delayL = 31*size;
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while (--sampleFrames >= 0)
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{
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double inputSampleL = *in1;
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double inputSampleR = *in2;
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if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
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if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
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double drySampleL = inputSampleL;
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double drySampleR = inputSampleR;
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double tempSampleL = (inputSampleL * biquadA[2]) + biquadA[7];
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biquadA[7] = (inputSampleL * biquadA[3]) - (tempSampleL * biquadA[5]) + biquadA[8];
|
|
biquadA[8] = (inputSampleL * biquadA[4]) - (tempSampleL * biquadA[6]);
|
|
inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
|
|
|
|
double tempSampleR = (inputSampleR * biquadA[2]) + biquadA[9];
|
|
biquadA[9] = (inputSampleR * biquadA[3]) - (tempSampleR * biquadA[5]) + biquadA[10];
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biquadA[10] = (inputSampleR * biquadA[4]) - (tempSampleR * biquadA[6]);
|
|
inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
|
|
|
|
inputSampleL *= wet;
|
|
inputSampleR *= wet;
|
|
//we're going to use this as a kind of balance since the reverb buildup can be so large
|
|
inputSampleL *= 0.5;
|
|
inputSampleR *= 0.5;
|
|
|
|
double allpassIL = inputSampleL;
|
|
double allpassJL = inputSampleL;
|
|
double allpassKL = inputSampleL;
|
|
double allpassLL = inputSampleL;
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|
|
|
double allpassIR = inputSampleR;
|
|
double allpassJR = inputSampleR;
|
|
double allpassKR = inputSampleR;
|
|
double allpassLR = inputSampleR;
|
|
|
|
int allpasstemp = countI + 1;
|
|
if (allpasstemp < 0 || allpasstemp > delayI) {allpasstemp = 0;}
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|
allpassIL -= aIL[allpasstemp]*0.5;
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|
aIL[countI] = allpassIL;
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|
allpassIL *= 0.5;
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allpassIR -= aIR[allpasstemp]*0.5;
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|
aIR[countI] = allpassIR;
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|
allpassIR *= 0.5;
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|
countI++; if (countI < 0 || countI > delayI) {countI = 0;}
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|
allpassIL += (aIL[countI]);
|
|
allpassIR += (aIR[countI]);
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|
|
|
allpasstemp = countJ + 1;
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|
if (allpasstemp < 0 || allpasstemp > delayJ) {allpasstemp = 0;}
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|
allpassJL -= aJL[allpasstemp]*0.5;
|
|
aJL[countJ] = allpassJL;
|
|
allpassJL *= 0.5;
|
|
allpassJR -= aJR[allpasstemp]*0.5;
|
|
aJR[countJ] = allpassJR;
|
|
allpassJR *= 0.5;
|
|
countJ++; if (countJ < 0 || countJ > delayJ) {countJ = 0;}
|
|
allpassJL += (aJL[countJ]);
|
|
allpassJR += (aJR[countJ]);
|
|
|
|
allpasstemp = countK + 1;
|
|
if (allpasstemp < 0 || allpasstemp > delayK) {allpasstemp = 0;}
|
|
allpassKL -= aKL[allpasstemp]*0.5;
|
|
aKL[countK] = allpassKL;
|
|
allpassKL *= 0.5;
|
|
allpassKR -= aKR[allpasstemp]*0.5;
|
|
aKR[countK] = allpassKR;
|
|
allpassKR *= 0.5;
|
|
countK++; if (countK < 0 || countK > delayK) {countK = 0;}
|
|
allpassKL += (aKL[countK]);
|
|
allpassKR += (aKR[countK]);
|
|
|
|
allpasstemp = countL + 1;
|
|
if (allpasstemp < 0 || allpasstemp > delayL) {allpasstemp = 0;}
|
|
allpassLL -= aLL[allpasstemp]*0.5;
|
|
aLL[countL] = allpassLL;
|
|
allpassLL *= 0.5;
|
|
allpassLR -= aLR[allpasstemp]*0.5;
|
|
aLR[countL] = allpassLR;
|
|
allpassLR *= 0.5;
|
|
countL++; if (countL < 0 || countL > delayL) {countL = 0;}
|
|
allpassLL += (aLL[countL]);
|
|
allpassLR += (aLR[countL]);
|
|
//the big allpass in front of everything
|
|
|
|
aAL[countA] = allpassLL + feedbackAL;
|
|
aBL[countB] = allpassKL + feedbackBL;
|
|
aCL[countC] = allpassJL + feedbackCL;
|
|
aDL[countD] = allpassIL + feedbackDL;
|
|
aEL[countE] = allpassIL + feedbackEL;
|
|
aFL[countF] = allpassJL + feedbackFL;
|
|
aGL[countG] = allpassKL + feedbackGL;
|
|
aHL[countH] = allpassLL + feedbackHL; //L
|
|
|
|
aAR[countA] = allpassLR + feedbackAR;
|
|
aBR[countB] = allpassKR + feedbackBR;
|
|
aCR[countC] = allpassJR + feedbackCR;
|
|
aDR[countD] = allpassIR + feedbackDR;
|
|
aER[countE] = allpassIR + feedbackER;
|
|
aFR[countF] = allpassJR + feedbackFR;
|
|
aGR[countG] = allpassKR + feedbackGR;
|
|
aHR[countH] = allpassLR + feedbackHR; //R
|
|
|
|
countA++; if (countA < 0 || countA > delayA) {countA = 0;}
|
|
countB++; if (countB < 0 || countB > delayB) {countB = 0;}
|
|
countC++; if (countC < 0 || countC > delayC) {countC = 0;}
|
|
countD++; if (countD < 0 || countD > delayD) {countD = 0;}
|
|
countE++; if (countE < 0 || countE > delayE) {countE = 0;}
|
|
countF++; if (countF < 0 || countF > delayF) {countF = 0;}
|
|
countG++; if (countG < 0 || countG > delayG) {countG = 0;}
|
|
countH++; if (countH < 0 || countH > delayH) {countH = 0;}
|
|
//the Householder matrices (shared between channels, offset is stereo)
|
|
|
|
|
|
double infiniteAL = (aAL[countA-((countA > delayA)?delayA+1:0)] * (1-(damping-floor(damping))) );
|
|
infiniteAL += (aAL[countA+1-((countA+1 > delayA)?delayA+1:0)] * ((damping-floor(damping))) );
|
|
double infiniteBL = aBL[countB-((countB > delayB)?delayB+1:0)];
|
|
double infiniteCL = aCL[countC-((countC > delayC)?delayC+1:0)];
|
|
double infiniteDL = aDL[countD-((countD > delayD)?delayD+1:0)];
|
|
|
|
double infiniteAR = (aAR[countA-((countA > delayA)?delayA+1:0)] * (1-(damping-floor(damping))) );
|
|
infiniteAR += (aAR[countA+1-((countA+1 > delayA)?delayA+1:0)] * ((damping-floor(damping))) );
|
|
double infiniteBR = aBR[countB-((countB > delayB)?delayB+1:0)];
|
|
double infiniteCR = aCR[countC-((countC > delayC)?delayC+1:0)];
|
|
double infiniteDR = aDR[countD-((countD > delayD)?delayD+1:0)];
|
|
|
|
double infiniteEL = (aEL[countE-((countE > delayE)?delayE+1:0)] * (1-(damping-floor(damping))) );
|
|
infiniteEL += (aEL[countE+1-((countE+1 > delayE)?delayE+1:0)] * ((damping-floor(damping))) );
|
|
double infiniteFL = aFL[countF-((countF > delayF)?delayF+1:0)];
|
|
double infiniteGL = aGL[countG-((countG > delayG)?delayG+1:0)];
|
|
double infiniteHL = aHL[countH-((countH > delayH)?delayH+1:0)];
|
|
|
|
double infiniteER = (aER[countE-((countE > delayE)?delayE+1:0)] * (1-(damping-floor(damping))) );
|
|
infiniteER += (aER[countE+1-((countE+1 > delayE)?delayE+1:0)] * ((damping-floor(damping))) );
|
|
double infiniteFR = aFR[countF-((countF > delayF)?delayF+1:0)];
|
|
double infiniteGR = aGR[countG-((countG > delayG)?delayG+1:0)];
|
|
double infiniteHR = aHR[countH-((countH > delayH)?delayH+1:0)];
|
|
|
|
double dialBackAL = 0.5;
|
|
double dialBackEL = 0.5;
|
|
double dialBackDryL = 0.5;
|
|
if (fabs(infiniteAL)>0.4) dialBackAL -= ((fabs(infiniteAL)-0.4)*0.2);
|
|
if (fabs(infiniteEL)>0.4) dialBackEL -= ((fabs(infiniteEL)-0.4)*0.2);
|
|
if (fabs(drySampleL)>0.4) dialBackDryL -= ((fabs(drySampleL)-0.4)*0.2);
|
|
//we're compressing things subtly so we can feed energy in and not overload
|
|
|
|
double dialBackAR = 0.5;
|
|
double dialBackER = 0.5;
|
|
double dialBackDryR = 0.5;
|
|
if (fabs(infiniteAR)>0.4) dialBackAR -= ((fabs(infiniteAR)-0.4)*0.2);
|
|
if (fabs(infiniteER)>0.4) dialBackER -= ((fabs(infiniteER)-0.4)*0.2);
|
|
if (fabs(drySampleR)>0.4) dialBackDryR -= ((fabs(drySampleR)-0.4)*0.2);
|
|
//we're compressing things subtly so we can feed energy in and not overload
|
|
|
|
feedbackAL = (infiniteAL - (infiniteBL + infiniteCL + infiniteDL)) * dialBackAL;
|
|
feedbackBL = (infiniteBL - (infiniteAL + infiniteCL + infiniteDL)) * dialBackDryL;
|
|
feedbackCL = (infiniteCL - (infiniteAL + infiniteBL + infiniteDL)) * dialBackDryL;
|
|
feedbackDL = (infiniteDL - (infiniteAL + infiniteBL + infiniteCL)) * dialBackDryL; //Householder feedback matrix, L
|
|
|
|
feedbackEL = (infiniteEL - (infiniteFL + infiniteGL + infiniteHL)) * dialBackEL;
|
|
feedbackFL = (infiniteFL - (infiniteEL + infiniteGL + infiniteHL)) * dialBackDryL;
|
|
feedbackGL = (infiniteGL - (infiniteEL + infiniteFL + infiniteHL)) * dialBackDryL;
|
|
feedbackHL = (infiniteHL - (infiniteEL + infiniteFL + infiniteGL)) * dialBackDryL; //Householder feedback matrix, L
|
|
|
|
feedbackAR = (infiniteAR - (infiniteBR + infiniteCR + infiniteDR)) * dialBackAR;
|
|
feedbackBR = (infiniteBR - (infiniteAR + infiniteCR + infiniteDR)) * dialBackDryR;
|
|
feedbackCR = (infiniteCR - (infiniteAR + infiniteBR + infiniteDR)) * dialBackDryR;
|
|
feedbackDR = (infiniteDR - (infiniteAR + infiniteBR + infiniteCR)) * dialBackDryR; //Householder feedback matrix, R
|
|
|
|
feedbackER = (infiniteER - (infiniteFR + infiniteGR + infiniteHR)) * dialBackER;
|
|
feedbackFR = (infiniteFR - (infiniteER + infiniteGR + infiniteHR)) * dialBackDryR;
|
|
feedbackGR = (infiniteGR - (infiniteER + infiniteFR + infiniteHR)) * dialBackDryR;
|
|
feedbackHR = (infiniteHR - (infiniteER + infiniteFR + infiniteGR)) * dialBackDryR; //Householder feedback matrix, R
|
|
|
|
inputSampleL = (infiniteAL + infiniteBL + infiniteCL + infiniteDL + infiniteEL + infiniteFL + infiniteGL + infiniteHL)/8.0;
|
|
inputSampleR = (infiniteAR + infiniteBR + infiniteCR + infiniteDR + infiniteER + infiniteFR + infiniteGR + infiniteHR)/8.0;
|
|
|
|
tempSampleL = (inputSampleL * biquadB[2]) + biquadB[7];
|
|
biquadB[7] = (inputSampleL * biquadB[3]) - (tempSampleL * biquadB[5]) + biquadB[8];
|
|
biquadB[8] = (inputSampleL * biquadB[4]) - (tempSampleL * biquadB[6]);
|
|
inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
|
|
|
|
tempSampleR = (inputSampleR * biquadB[2]) + biquadB[9];
|
|
biquadB[9] = (inputSampleR * biquadB[3]) - (tempSampleR * biquadB[5]) + biquadB[10];
|
|
biquadB[10] = (inputSampleR * biquadB[4]) - (tempSampleR * biquadB[6]);
|
|
inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
|
|
|
|
if (inputSampleL > 1.0) inputSampleL = 1.0;
|
|
if (inputSampleL < -1.0) inputSampleL = -1.0;
|
|
if (inputSampleR > 1.0) inputSampleR = 1.0;
|
|
if (inputSampleR < -1.0) inputSampleR = -1.0;
|
|
//without this, you can get a NaN condition where it spits out DC offset at full blast!
|
|
|
|
inputSampleL = asin(inputSampleL);
|
|
inputSampleR = asin(inputSampleR);
|
|
|
|
tempSampleL = (inputSampleL * biquadC[2]) + biquadC[7];
|
|
biquadC[7] = (inputSampleL * biquadC[3]) - (tempSampleL * biquadC[5]) + biquadC[8];
|
|
biquadC[8] = (inputSampleL * biquadC[4]) - (tempSampleL * biquadC[6]);
|
|
inputSampleL = tempSampleL; //like mono AU, 7 and 8 store L channel
|
|
|
|
tempSampleR = (inputSampleR * biquadC[2]) + biquadC[9];
|
|
biquadC[9] = (inputSampleR * biquadC[3]) - (tempSampleR * biquadC[5]) + biquadC[10];
|
|
biquadC[10] = (inputSampleR * biquadC[4]) - (tempSampleR * biquadC[6]);
|
|
inputSampleR = tempSampleR; //note: 9 and 10 store the R channel
|
|
|
|
if (wet !=1.0) {
|
|
inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
|
|
inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
|
|
}
|
|
|
|
//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++;
|
|
}
|
|
}
|