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airwindows/plugins/MacVST/MV2/source/MV2Proc.cpp
Christopher Johnson 286adaedda kPlateD
2023-04-23 18:39:01 -04:00

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/* ========================================
* MV2 - MV2.h
* Copyright (c) airwindows, Airwindows uses the MIT license
* ======================================== */
#ifndef __MV2_H
#include "MV2.h"
#endif
void MV2::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
int cycleEnd = floor(overallscale);
if (cycleEnd < 1) cycleEnd = 1;
if (cycleEnd > 4) cycleEnd = 4;
//this is going to be 2 for 88.1 or 96k, 3 for silly people, 4 for 176 or 192k
if (cycle > cycleEnd-1) cycle = cycleEnd-1; //sanity check
int allpasstemp;
double avgtemp;
int stage = A * 27.0;
int damp = (1.0-B) * stage;
double feedbacklevel = C;
if (feedbacklevel <= 0.0625) feedbacklevel = 0.0;
if (feedbacklevel > 0.0625 && feedbacklevel <= 0.125) feedbacklevel = 0.0625; //-24db
if (feedbacklevel > 0.125 && feedbacklevel <= 0.25) feedbacklevel = 0.125; //-18db
if (feedbacklevel > 0.25 && feedbacklevel <= 0.5) feedbacklevel = 0.25; //-12db
if (feedbacklevel > 0.5 && feedbacklevel <= 0.99) feedbacklevel = 0.5; //-6db
if (feedbacklevel > 0.99) feedbacklevel = 1.0;
//we're forcing even the feedback level to be Midiverb-ized
double gain = D;
double wet = E;
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;
cycle++;
if (cycle == cycleEnd) { //hit the end point and we do a reverb sample
inputSampleL += feedbackL;
inputSampleR += feedbackR;
inputSampleL = sin(inputSampleL);
inputSampleR = sin(inputSampleR);
switch (stage){
case 27:
case 26:
allpasstemp = alpA - 1;
if (allpasstemp < 0 || allpasstemp > delayA) {allpasstemp = delayA;}
inputSampleL -= aAL[allpasstemp]*0.5;
aAL[alpA] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aAR[allpasstemp]*0.5;
aAR[alpA] = inputSampleR;
inputSampleR *= 0.5;
alpA--; if (alpA < 0 || alpA > delayA) {alpA = delayA;}
inputSampleL += (aAL[alpA]);
inputSampleR += (aAR[alpA]);
if (damp > 26) {
avgtemp = inputSampleL;
inputSampleL += avgAL;
inputSampleL *= 0.5;
avgAL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgAR;
inputSampleR *= 0.5;
avgAR = avgtemp;
}
//allpass filter A
case 25:
allpasstemp = alpB - 1;
if (allpasstemp < 0 || allpasstemp > delayB) {allpasstemp = delayB;}
inputSampleL -= aBL[allpasstemp]*0.5;
aBL[alpB] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aBR[allpasstemp]*0.5;
aBR[alpB] = inputSampleR;
inputSampleR *= 0.5;
alpB--; if (alpB < 0 || alpB > delayB) {alpB = delayB;}
inputSampleL += (aBL[alpB]);
inputSampleR += (aBR[alpB]);
if (damp > 25) {
avgtemp = inputSampleL;
inputSampleL += avgBL;
inputSampleL *= 0.5;
avgBL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgBR;
inputSampleR *= 0.5;
avgBR = avgtemp;
}
//allpass filter B
case 24:
allpasstemp = alpC - 1;
if (allpasstemp < 0 || allpasstemp > delayC) {allpasstemp = delayC;}
inputSampleL -= aCL[allpasstemp]*0.5;
aCL[alpC] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aCR[allpasstemp]*0.5;
aCR[alpC] = inputSampleR;
inputSampleR *= 0.5;
alpC--; if (alpC < 0 || alpC > delayC) {alpC = delayC;}
inputSampleL += (aCL[alpC]);
inputSampleR += (aCR[alpC]);
if (damp > 24) {
avgtemp = inputSampleL;
inputSampleL += avgCL;
inputSampleL *= 0.5;
avgCL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgCR;
inputSampleR *= 0.5;
avgCR = avgtemp;
}
//allpass filter C
case 23:
allpasstemp = alpD - 1;
if (allpasstemp < 0 || allpasstemp > delayD) {allpasstemp = delayD;}
inputSampleL -= aDL[allpasstemp]*0.5;
aDL[alpD] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aDR[allpasstemp]*0.5;
aDR[alpD] = inputSampleR;
inputSampleR *= 0.5;
alpD--; if (alpD < 0 || alpD > delayD) {alpD = delayD;}
inputSampleL += (aDL[alpD]);
inputSampleR += (aDR[alpD]);
if (damp > 23) {
avgtemp = inputSampleL;
inputSampleL += avgDL;
inputSampleL *= 0.5;
avgDL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgDR;
inputSampleR *= 0.5;
avgDR = avgtemp;
}
//allpass filter D
case 22:
allpasstemp = alpE - 1;
if (allpasstemp < 0 || allpasstemp > delayE) {allpasstemp = delayE;}
inputSampleL -= aEL[allpasstemp]*0.5;
aEL[alpE] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aER[allpasstemp]*0.5;
aER[alpE] = inputSampleR;
inputSampleR *= 0.5;
alpE--; if (alpE < 0 || alpE > delayE) {alpE = delayE;}
inputSampleL += (aEL[alpE]);
inputSampleR += (aER[alpE]);
if (damp > 22) {
avgtemp = inputSampleL;
inputSampleL += avgEL;
inputSampleL *= 0.5;
avgEL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgER;
inputSampleR *= 0.5;
avgER = avgtemp;
}
//allpass filter E
case 21:
allpasstemp = alpF - 1;
if (allpasstemp < 0 || allpasstemp > delayF) {allpasstemp = delayF;}
inputSampleL -= aFL[allpasstemp]*0.5;
aFL[alpF] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aFR[allpasstemp]*0.5;
aFR[alpF] = inputSampleR;
inputSampleR *= 0.5;
alpF--; if (alpF < 0 || alpF > delayF) {alpF = delayF;}
inputSampleL += (aFL[alpF]);
inputSampleR += (aFR[alpF]);
if (damp > 21) {
avgtemp = inputSampleL;
inputSampleL += avgFL;
inputSampleL *= 0.5;
avgFL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgFR;
inputSampleR *= 0.5;
avgFR = avgtemp;
}
//allpass filter F
case 20:
allpasstemp = alpG - 1;
if (allpasstemp < 0 || allpasstemp > delayG) {allpasstemp = delayG;}
inputSampleL -= aGL[allpasstemp]*0.5;
aGL[alpG] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aGR[allpasstemp]*0.5;
aGR[alpG] = inputSampleR;
inputSampleR *= 0.5;
alpG--; if (alpG < 0 || alpG > delayG) {alpG = delayG;}
inputSampleL += (aGL[alpG]);
inputSampleR += (aGR[alpG]);
if (damp > 20) {
avgtemp = inputSampleL;
inputSampleL += avgGL;
inputSampleL *= 0.5;
avgGL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgGR;
inputSampleR *= 0.5;
avgGR = avgtemp;
}
//allpass filter G
case 19:
allpasstemp = alpH - 1;
if (allpasstemp < 0 || allpasstemp > delayH) {allpasstemp = delayH;}
inputSampleL -= aHL[allpasstemp]*0.5;
aHL[alpH] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aHR[allpasstemp]*0.5;
aHR[alpH] = inputSampleR;
inputSampleR *= 0.5;
alpH--; if (alpH < 0 || alpH > delayH) {alpH = delayH;}
inputSampleL += (aHL[alpH]);
inputSampleR += (aHR[alpH]);
if (damp > 19) {
avgtemp = inputSampleL;
inputSampleL += avgHL;
inputSampleL *= 0.5;
avgHL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgHR;
inputSampleR *= 0.5;
avgHR = avgtemp;
}
//allpass filter H
case 18:
allpasstemp = alpI - 1;
if (allpasstemp < 0 || allpasstemp > delayI) {allpasstemp = delayI;}
inputSampleL -= aIL[allpasstemp]*0.5;
aIL[alpI] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aIR[allpasstemp]*0.5;
aIR[alpI] = inputSampleR;
inputSampleR *= 0.5;
alpI--; if (alpI < 0 || alpI > delayI) {alpI = delayI;}
inputSampleL += (aIL[alpI]);
inputSampleR += (aIR[alpI]);
if (damp > 18) {
avgtemp = inputSampleL;
inputSampleL += avgIL;
inputSampleL *= 0.5;
avgIL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgIR;
inputSampleR *= 0.5;
avgIR = avgtemp;
}
//allpass filter I
case 17:
allpasstemp = alpJ - 1;
if (allpasstemp < 0 || allpasstemp > delayJ) {allpasstemp = delayJ;}
inputSampleL -= aJL[allpasstemp]*0.5;
aJL[alpJ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aJR[allpasstemp]*0.5;
aJR[alpJ] = inputSampleR;
inputSampleR *= 0.5;
alpJ--; if (alpJ < 0 || alpJ > delayJ) {alpJ = delayJ;}
inputSampleL += (aJL[alpJ]);
inputSampleR += (aJR[alpJ]);
if (damp > 17) {
avgtemp = inputSampleL;
inputSampleL += avgJL;
inputSampleL *= 0.5;
avgJL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgJR;
inputSampleR *= 0.5;
avgJR = avgtemp;
}
//allpass filter J
case 16:
allpasstemp = alpK - 1;
if (allpasstemp < 0 || allpasstemp > delayK) {allpasstemp = delayK;}
inputSampleL -= aKL[allpasstemp]*0.5;
aKL[alpK] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aKR[allpasstemp]*0.5;
aKR[alpK] = inputSampleR;
inputSampleR *= 0.5;
alpK--; if (alpK < 0 || alpK > delayK) {alpK = delayK;}
inputSampleL += (aKL[alpK]);
inputSampleR += (aKR[alpK]);
if (damp > 16) {
avgtemp = inputSampleL;
inputSampleL += avgKL;
inputSampleL *= 0.5;
avgKL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgKR;
inputSampleR *= 0.5;
avgKR = avgtemp;
}
//allpass filter K
case 15:
allpasstemp = alpL - 1;
if (allpasstemp < 0 || allpasstemp > delayL) {allpasstemp = delayL;}
inputSampleL -= aLL[allpasstemp]*0.5;
aLL[alpL] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aLR[allpasstemp]*0.5;
aLR[alpL] = inputSampleR;
inputSampleR *= 0.5;
alpL--; if (alpL < 0 || alpL > delayL) {alpL = delayL;}
inputSampleL += (aLL[alpL]);
inputSampleR += (aLR[alpL]);
if (damp > 15) {
avgtemp = inputSampleL;
inputSampleL += avgLL;
inputSampleL *= 0.5;
avgLL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgLR;
inputSampleR *= 0.5;
avgLR = avgtemp;
}
//allpass filter L
case 14:
allpasstemp = alpM - 1;
if (allpasstemp < 0 || allpasstemp > delayM) {allpasstemp = delayM;}
inputSampleL -= aML[allpasstemp]*0.5;
aML[alpM] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aMR[allpasstemp]*0.5;
aMR[alpM] = inputSampleR;
inputSampleR *= 0.5;
alpM--; if (alpM < 0 || alpM > delayM) {alpM = delayM;}
inputSampleL += (aML[alpM]);
inputSampleR += (aMR[alpM]);
if (damp > 14) {
avgtemp = inputSampleL;
inputSampleL += avgML;
inputSampleL *= 0.5;
avgML = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgMR;
inputSampleR *= 0.5;
avgMR = avgtemp;
}
//allpass filter M
case 13:
allpasstemp = alpN - 1;
if (allpasstemp < 0 || allpasstemp > delayN) {allpasstemp = delayN;}
inputSampleL -= aNL[allpasstemp]*0.5;
aNL[alpN] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aNR[allpasstemp]*0.5;
aNR[alpN] = inputSampleR;
inputSampleR *= 0.5;
alpN--; if (alpN < 0 || alpN > delayN) {alpN = delayN;}
inputSampleL += (aNL[alpN]);
inputSampleR += (aNR[alpN]);
if (damp > 13) {
avgtemp = inputSampleL;
inputSampleL += avgNL;
inputSampleL *= 0.5;
avgNL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgNR;
inputSampleR *= 0.5;
avgNR = avgtemp;
}
//allpass filter N
case 12:
allpasstemp = alpO - 1;
if (allpasstemp < 0 || allpasstemp > delayO) {allpasstemp = delayO;}
inputSampleL -= aOL[allpasstemp]*0.5;
aOL[alpO] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aOR[allpasstemp]*0.5;
aOR[alpO] = inputSampleR;
inputSampleR *= 0.5;
alpO--; if (alpO < 0 || alpO > delayO) {alpO = delayO;}
inputSampleL += (aOL[alpO]);
inputSampleR += (aOR[alpO]);
if (damp > 12) {
avgtemp = inputSampleL;
inputSampleL += avgOL;
inputSampleL *= 0.5;
avgOL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgOR;
inputSampleR *= 0.5;
avgOR = avgtemp;
}
//allpass filter O
case 11:
allpasstemp = alpP - 1;
if (allpasstemp < 0 || allpasstemp > delayP) {allpasstemp = delayP;}
inputSampleL -= aPL[allpasstemp]*0.5;
aPL[alpP] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aPR[allpasstemp]*0.5;
aPR[alpP] = inputSampleR;
inputSampleR *= 0.5;
alpP--; if (alpP < 0 || alpP > delayP) {alpP = delayP;}
inputSampleL += (aPL[alpP]);
inputSampleR += (aPR[alpP]);
if (damp > 11) {
avgtemp = inputSampleL;
inputSampleL += avgPL;
inputSampleL *= 0.5;
avgPL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgPR;
inputSampleR *= 0.5;
avgPR = avgtemp;
}
//allpass filter P
case 10:
allpasstemp = alpQ - 1;
if (allpasstemp < 0 || allpasstemp > delayQ) {allpasstemp = delayQ;}
inputSampleL -= aQL[allpasstemp]*0.5;
aQL[alpQ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aQR[allpasstemp]*0.5;
aQR[alpQ] = inputSampleR;
inputSampleR *= 0.5;
alpQ--; if (alpQ < 0 || alpQ > delayQ) {alpQ = delayQ;}
inputSampleL += (aQL[alpQ]);
inputSampleR += (aQR[alpQ]);
if (damp > 10) {
avgtemp = inputSampleL;
inputSampleL += avgQL;
inputSampleL *= 0.5;
avgQL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgQR;
inputSampleR *= 0.5;
avgQR = avgtemp;
}
//allpass filter Q
case 9:
allpasstemp = alpR - 1;
if (allpasstemp < 0 || allpasstemp > delayR) {allpasstemp = delayR;}
inputSampleL -= aRL[allpasstemp]*0.5;
aRL[alpR] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aRR[allpasstemp]*0.5;
aRR[alpR] = inputSampleR;
inputSampleR *= 0.5;
alpR--; if (alpR < 0 || alpR > delayR) {alpR = delayR;}
inputSampleL += (aRL[alpR]);
inputSampleR += (aRR[alpR]);
if (damp > 9) {
avgtemp = inputSampleL;
inputSampleL += avgRL;
inputSampleL *= 0.5;
avgRL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgRR;
inputSampleR *= 0.5;
avgRR = avgtemp;
}
//allpass filter R
case 8:
allpasstemp = alpS - 1;
if (allpasstemp < 0 || allpasstemp > delayS) {allpasstemp = delayS;}
inputSampleL -= aSL[allpasstemp]*0.5;
aSL[alpS] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aSR[allpasstemp]*0.5;
aSR[alpS] = inputSampleR;
inputSampleR *= 0.5;
alpS--; if (alpS < 0 || alpS > delayS) {alpS = delayS;}
inputSampleL += (aSL[alpS]);
inputSampleR += (aSR[alpS]);
if (damp > 8) {
avgtemp = inputSampleL;
inputSampleL += avgSL;
inputSampleL *= 0.5;
avgSL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgSR;
inputSampleR *= 0.5;
avgSR = avgtemp;
}
//allpass filter S
case 7:
allpasstemp = alpT - 1;
if (allpasstemp < 0 || allpasstemp > delayT) {allpasstemp = delayT;}
inputSampleL -= aTL[allpasstemp]*0.5;
aTL[alpT] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aTR[allpasstemp]*0.5;
aTR[alpT] = inputSampleR;
inputSampleR *= 0.5;
alpT--; if (alpT < 0 || alpT > delayT) {alpT = delayT;}
inputSampleL += (aTL[alpT]);
inputSampleR += (aTR[alpT]);
if (damp > 7) {
avgtemp = inputSampleL;
inputSampleL += avgTL;
inputSampleL *= 0.5;
avgTL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgTR;
inputSampleR *= 0.5;
avgTR = avgtemp;
}
//allpass filter T
case 6:
allpasstemp = alpU - 1;
if (allpasstemp < 0 || allpasstemp > delayU) {allpasstemp = delayU;}
inputSampleL -= aUL[allpasstemp]*0.5;
aUL[alpU] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aUR[allpasstemp]*0.5;
aUR[alpU] = inputSampleR;
inputSampleR *= 0.5;
alpU--; if (alpU < 0 || alpU > delayU) {alpU = delayU;}
inputSampleL += (aUL[alpU]);
inputSampleR += (aUR[alpU]);
if (damp > 6) {
avgtemp = inputSampleL;
inputSampleL += avgUL;
inputSampleL *= 0.5;
avgUL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgUR;
inputSampleR *= 0.5;
avgUR = avgtemp;
}
//allpass filter U
case 5:
allpasstemp = alpV - 1;
if (allpasstemp < 0 || allpasstemp > delayV) {allpasstemp = delayV;}
inputSampleL -= aVL[allpasstemp]*0.5;
aVL[alpV] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aVR[allpasstemp]*0.5;
aVR[alpV] = inputSampleR;
inputSampleR *= 0.5;
alpV--; if (alpV < 0 || alpV > delayV) {alpV = delayV;}
inputSampleL += (aVL[alpV]);
inputSampleR += (aVR[alpV]);
if (damp > 5) {
avgtemp = inputSampleL;
inputSampleL += avgVL;
inputSampleL *= 0.5;
avgVL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgVR;
inputSampleR *= 0.5;
avgVR = avgtemp;
}
//allpass filter V
case 4:
allpasstemp = alpW - 1;
if (allpasstemp < 0 || allpasstemp > delayW) {allpasstemp = delayW;}
inputSampleL -= aWL[allpasstemp]*0.5;
aWL[alpW] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aWR[allpasstemp]*0.5;
aWR[alpW] = inputSampleR;
inputSampleR *= 0.5;
alpW--; if (alpW < 0 || alpW > delayW) {alpW = delayW;}
inputSampleL += (aWL[alpW]);
inputSampleR += (aWR[alpW]);
if (damp > 4) {
avgtemp = inputSampleL;
inputSampleL += avgWL;
inputSampleL *= 0.5;
avgWL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgWR;
inputSampleR *= 0.5;
avgWR = avgtemp;
}
//allpass filter W
case 3:
allpasstemp = alpX - 1;
if (allpasstemp < 0 || allpasstemp > delayX) {allpasstemp = delayX;}
inputSampleL -= aXL[allpasstemp]*0.5;
aXL[alpX] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aXR[allpasstemp]*0.5;
aXR[alpX] = inputSampleR;
inputSampleR *= 0.5;
alpX--; if (alpX < 0 || alpX > delayX) {alpX = delayX;}
inputSampleL += (aXL[alpX]);
inputSampleR += (aXR[alpX]);
if (damp > 3) {
avgtemp = inputSampleL;
inputSampleL += avgXL;
inputSampleL *= 0.5;
avgXL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgXR;
inputSampleR *= 0.5;
avgXR = avgtemp;
}
//allpass filter X
case 2:
allpasstemp = alpY - 1;
if (allpasstemp < 0 || allpasstemp > delayY) {allpasstemp = delayY;}
inputSampleL -= aYL[allpasstemp]*0.5;
aYL[alpY] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aYR[allpasstemp]*0.5;
aYR[alpY] = inputSampleR;
inputSampleR *= 0.5;
alpY--; if (alpY < 0 || alpY > delayY) {alpY = delayY;}
inputSampleL += (aYL[alpY]);
inputSampleR += (aYR[alpY]);
if (damp > 2) {
avgtemp = inputSampleL;
inputSampleL += avgYL;
inputSampleL *= 0.5;
avgYL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgYR;
inputSampleR *= 0.5;
avgYR = avgtemp;
}
//allpass filter Y
case 1:
allpasstemp = alpZ - 1;
if (allpasstemp < 0 || allpasstemp > delayZ) {allpasstemp = delayZ;}
inputSampleL -= aZL[allpasstemp]*0.5;
aZL[alpZ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aZR[allpasstemp]*0.5;
aZR[alpZ] = inputSampleR;
inputSampleR *= 0.5;
alpZ--; if (alpZ < 0 || alpZ > delayZ) {alpZ = delayZ;}
inputSampleL += (aZL[alpZ]);
inputSampleR += (aZR[alpZ]);
if (damp > 1) {
avgtemp = inputSampleL;
inputSampleL += avgZL;
inputSampleL *= 0.5;
avgZL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgZR;
inputSampleR *= 0.5;
avgZR = avgtemp;
}
//allpass filter Z
}
feedbackL = inputSampleL * feedbacklevel;
feedbackR = inputSampleR * feedbacklevel;
if (gain != 1.0) {
inputSampleL *= gain;
inputSampleR *= gain;
}
//we can pad with the gain to tame distortyness from the PurestConsole code
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);
if (cycleEnd == 4) {
lastRefL[0] = lastRefL[4]; //start from previous last
lastRefL[2] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[1] = (lastRefL[0] + lastRefL[2])/2; //one quarter
lastRefL[3] = (lastRefL[2] + inputSampleL)/2; //three quarters
lastRefL[4] = inputSampleL; //full
lastRefR[0] = lastRefR[4]; //start from previous last
lastRefR[2] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[1] = (lastRefR[0] + lastRefR[2])/2; //one quarter
lastRefR[3] = (lastRefR[2] + inputSampleR)/2; //three quarters
lastRefR[4] = inputSampleR; //full
}
if (cycleEnd == 3) {
lastRefL[0] = lastRefL[3]; //start from previous last
lastRefL[2] = (lastRefL[0]+lastRefL[0]+inputSampleL)/3; //third
lastRefL[1] = (lastRefL[0]+inputSampleL+inputSampleL)/3; //two thirds
lastRefL[3] = inputSampleL; //full
lastRefR[0] = lastRefR[3]; //start from previous last
lastRefR[2] = (lastRefR[0]+lastRefR[0]+inputSampleR)/3; //third
lastRefR[1] = (lastRefR[0]+inputSampleR+inputSampleR)/3; //two thirds
lastRefR[3] = inputSampleR; //full
}
if (cycleEnd == 2) {
lastRefL[0] = lastRefL[2]; //start from previous last
lastRefL[1] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[2] = inputSampleL; //full
lastRefR[0] = lastRefR[2]; //start from previous last
lastRefR[1] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[2] = inputSampleR; //full
}
if (cycleEnd == 1) {
lastRefL[0] = inputSampleL;
lastRefR[0] = inputSampleR;
}
cycle = 0; //reset
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
} else {
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
//we are going through our references now
}
if (wet !=1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
}
//Dry/Wet control, defaults to the last slider
//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 MV2::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= getSampleRate();
int cycleEnd = floor(overallscale);
if (cycleEnd < 1) cycleEnd = 1;
if (cycleEnd > 4) cycleEnd = 4;
//this is going to be 2 for 88.1 or 96k, 3 for silly people, 4 for 176 or 192k
if (cycle > cycleEnd-1) cycle = cycleEnd-1; //sanity check
int allpasstemp;
double avgtemp;
int stage = A * 27.0;
int damp = (1.0-B) * stage;
double feedbacklevel = C;
if (feedbacklevel <= 0.0625) feedbacklevel = 0.0;
if (feedbacklevel > 0.0625 && feedbacklevel <= 0.125) feedbacklevel = 0.0625; //-24db
if (feedbacklevel > 0.125 && feedbacklevel <= 0.25) feedbacklevel = 0.125; //-18db
if (feedbacklevel > 0.25 && feedbacklevel <= 0.5) feedbacklevel = 0.25; //-12db
if (feedbacklevel > 0.5 && feedbacklevel <= 0.99) feedbacklevel = 0.5; //-6db
if (feedbacklevel > 0.99) feedbacklevel = 1.0;
//we're forcing even the feedback level to be Midiverb-ized
double gain = D;
double wet = E;
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;
cycle++;
if (cycle == cycleEnd) { //hit the end point and we do a reverb sample
inputSampleL += feedbackL;
inputSampleR += feedbackR;
inputSampleL = sin(inputSampleL);
inputSampleR = sin(inputSampleR);
switch (stage){
case 27:
case 26:
allpasstemp = alpA - 1;
if (allpasstemp < 0 || allpasstemp > delayA) {allpasstemp = delayA;}
inputSampleL -= aAL[allpasstemp]*0.5;
aAL[alpA] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aAR[allpasstemp]*0.5;
aAR[alpA] = inputSampleR;
inputSampleR *= 0.5;
alpA--; if (alpA < 0 || alpA > delayA) {alpA = delayA;}
inputSampleL += (aAL[alpA]);
inputSampleR += (aAR[alpA]);
if (damp > 26) {
avgtemp = inputSampleL;
inputSampleL += avgAL;
inputSampleL *= 0.5;
avgAL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgAR;
inputSampleR *= 0.5;
avgAR = avgtemp;
}
//allpass filter A
case 25:
allpasstemp = alpB - 1;
if (allpasstemp < 0 || allpasstemp > delayB) {allpasstemp = delayB;}
inputSampleL -= aBL[allpasstemp]*0.5;
aBL[alpB] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aBR[allpasstemp]*0.5;
aBR[alpB] = inputSampleR;
inputSampleR *= 0.5;
alpB--; if (alpB < 0 || alpB > delayB) {alpB = delayB;}
inputSampleL += (aBL[alpB]);
inputSampleR += (aBR[alpB]);
if (damp > 25) {
avgtemp = inputSampleL;
inputSampleL += avgBL;
inputSampleL *= 0.5;
avgBL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgBR;
inputSampleR *= 0.5;
avgBR = avgtemp;
}
//allpass filter B
case 24:
allpasstemp = alpC - 1;
if (allpasstemp < 0 || allpasstemp > delayC) {allpasstemp = delayC;}
inputSampleL -= aCL[allpasstemp]*0.5;
aCL[alpC] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aCR[allpasstemp]*0.5;
aCR[alpC] = inputSampleR;
inputSampleR *= 0.5;
alpC--; if (alpC < 0 || alpC > delayC) {alpC = delayC;}
inputSampleL += (aCL[alpC]);
inputSampleR += (aCR[alpC]);
if (damp > 24) {
avgtemp = inputSampleL;
inputSampleL += avgCL;
inputSampleL *= 0.5;
avgCL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgCR;
inputSampleR *= 0.5;
avgCR = avgtemp;
}
//allpass filter C
case 23:
allpasstemp = alpD - 1;
if (allpasstemp < 0 || allpasstemp > delayD) {allpasstemp = delayD;}
inputSampleL -= aDL[allpasstemp]*0.5;
aDL[alpD] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aDR[allpasstemp]*0.5;
aDR[alpD] = inputSampleR;
inputSampleR *= 0.5;
alpD--; if (alpD < 0 || alpD > delayD) {alpD = delayD;}
inputSampleL += (aDL[alpD]);
inputSampleR += (aDR[alpD]);
if (damp > 23) {
avgtemp = inputSampleL;
inputSampleL += avgDL;
inputSampleL *= 0.5;
avgDL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgDR;
inputSampleR *= 0.5;
avgDR = avgtemp;
}
//allpass filter D
case 22:
allpasstemp = alpE - 1;
if (allpasstemp < 0 || allpasstemp > delayE) {allpasstemp = delayE;}
inputSampleL -= aEL[allpasstemp]*0.5;
aEL[alpE] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aER[allpasstemp]*0.5;
aER[alpE] = inputSampleR;
inputSampleR *= 0.5;
alpE--; if (alpE < 0 || alpE > delayE) {alpE = delayE;}
inputSampleL += (aEL[alpE]);
inputSampleR += (aER[alpE]);
if (damp > 22) {
avgtemp = inputSampleL;
inputSampleL += avgEL;
inputSampleL *= 0.5;
avgEL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgER;
inputSampleR *= 0.5;
avgER = avgtemp;
}
//allpass filter E
case 21:
allpasstemp = alpF - 1;
if (allpasstemp < 0 || allpasstemp > delayF) {allpasstemp = delayF;}
inputSampleL -= aFL[allpasstemp]*0.5;
aFL[alpF] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aFR[allpasstemp]*0.5;
aFR[alpF] = inputSampleR;
inputSampleR *= 0.5;
alpF--; if (alpF < 0 || alpF > delayF) {alpF = delayF;}
inputSampleL += (aFL[alpF]);
inputSampleR += (aFR[alpF]);
if (damp > 21) {
avgtemp = inputSampleL;
inputSampleL += avgFL;
inputSampleL *= 0.5;
avgFL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgFR;
inputSampleR *= 0.5;
avgFR = avgtemp;
}
//allpass filter F
case 20:
allpasstemp = alpG - 1;
if (allpasstemp < 0 || allpasstemp > delayG) {allpasstemp = delayG;}
inputSampleL -= aGL[allpasstemp]*0.5;
aGL[alpG] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aGR[allpasstemp]*0.5;
aGR[alpG] = inputSampleR;
inputSampleR *= 0.5;
alpG--; if (alpG < 0 || alpG > delayG) {alpG = delayG;}
inputSampleL += (aGL[alpG]);
inputSampleR += (aGR[alpG]);
if (damp > 20) {
avgtemp = inputSampleL;
inputSampleL += avgGL;
inputSampleL *= 0.5;
avgGL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgGR;
inputSampleR *= 0.5;
avgGR = avgtemp;
}
//allpass filter G
case 19:
allpasstemp = alpH - 1;
if (allpasstemp < 0 || allpasstemp > delayH) {allpasstemp = delayH;}
inputSampleL -= aHL[allpasstemp]*0.5;
aHL[alpH] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aHR[allpasstemp]*0.5;
aHR[alpH] = inputSampleR;
inputSampleR *= 0.5;
alpH--; if (alpH < 0 || alpH > delayH) {alpH = delayH;}
inputSampleL += (aHL[alpH]);
inputSampleR += (aHR[alpH]);
if (damp > 19) {
avgtemp = inputSampleL;
inputSampleL += avgHL;
inputSampleL *= 0.5;
avgHL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgHR;
inputSampleR *= 0.5;
avgHR = avgtemp;
}
//allpass filter H
case 18:
allpasstemp = alpI - 1;
if (allpasstemp < 0 || allpasstemp > delayI) {allpasstemp = delayI;}
inputSampleL -= aIL[allpasstemp]*0.5;
aIL[alpI] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aIR[allpasstemp]*0.5;
aIR[alpI] = inputSampleR;
inputSampleR *= 0.5;
alpI--; if (alpI < 0 || alpI > delayI) {alpI = delayI;}
inputSampleL += (aIL[alpI]);
inputSampleR += (aIR[alpI]);
if (damp > 18) {
avgtemp = inputSampleL;
inputSampleL += avgIL;
inputSampleL *= 0.5;
avgIL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgIR;
inputSampleR *= 0.5;
avgIR = avgtemp;
}
//allpass filter I
case 17:
allpasstemp = alpJ - 1;
if (allpasstemp < 0 || allpasstemp > delayJ) {allpasstemp = delayJ;}
inputSampleL -= aJL[allpasstemp]*0.5;
aJL[alpJ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aJR[allpasstemp]*0.5;
aJR[alpJ] = inputSampleR;
inputSampleR *= 0.5;
alpJ--; if (alpJ < 0 || alpJ > delayJ) {alpJ = delayJ;}
inputSampleL += (aJL[alpJ]);
inputSampleR += (aJR[alpJ]);
if (damp > 17) {
avgtemp = inputSampleL;
inputSampleL += avgJL;
inputSampleL *= 0.5;
avgJL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgJR;
inputSampleR *= 0.5;
avgJR = avgtemp;
}
//allpass filter J
case 16:
allpasstemp = alpK - 1;
if (allpasstemp < 0 || allpasstemp > delayK) {allpasstemp = delayK;}
inputSampleL -= aKL[allpasstemp]*0.5;
aKL[alpK] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aKR[allpasstemp]*0.5;
aKR[alpK] = inputSampleR;
inputSampleR *= 0.5;
alpK--; if (alpK < 0 || alpK > delayK) {alpK = delayK;}
inputSampleL += (aKL[alpK]);
inputSampleR += (aKR[alpK]);
if (damp > 16) {
avgtemp = inputSampleL;
inputSampleL += avgKL;
inputSampleL *= 0.5;
avgKL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgKR;
inputSampleR *= 0.5;
avgKR = avgtemp;
}
//allpass filter K
case 15:
allpasstemp = alpL - 1;
if (allpasstemp < 0 || allpasstemp > delayL) {allpasstemp = delayL;}
inputSampleL -= aLL[allpasstemp]*0.5;
aLL[alpL] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aLR[allpasstemp]*0.5;
aLR[alpL] = inputSampleR;
inputSampleR *= 0.5;
alpL--; if (alpL < 0 || alpL > delayL) {alpL = delayL;}
inputSampleL += (aLL[alpL]);
inputSampleR += (aLR[alpL]);
if (damp > 15) {
avgtemp = inputSampleL;
inputSampleL += avgLL;
inputSampleL *= 0.5;
avgLL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgLR;
inputSampleR *= 0.5;
avgLR = avgtemp;
}
//allpass filter L
case 14:
allpasstemp = alpM - 1;
if (allpasstemp < 0 || allpasstemp > delayM) {allpasstemp = delayM;}
inputSampleL -= aML[allpasstemp]*0.5;
aML[alpM] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aMR[allpasstemp]*0.5;
aMR[alpM] = inputSampleR;
inputSampleR *= 0.5;
alpM--; if (alpM < 0 || alpM > delayM) {alpM = delayM;}
inputSampleL += (aML[alpM]);
inputSampleR += (aMR[alpM]);
if (damp > 14) {
avgtemp = inputSampleL;
inputSampleL += avgML;
inputSampleL *= 0.5;
avgML = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgMR;
inputSampleR *= 0.5;
avgMR = avgtemp;
}
//allpass filter M
case 13:
allpasstemp = alpN - 1;
if (allpasstemp < 0 || allpasstemp > delayN) {allpasstemp = delayN;}
inputSampleL -= aNL[allpasstemp]*0.5;
aNL[alpN] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aNR[allpasstemp]*0.5;
aNR[alpN] = inputSampleR;
inputSampleR *= 0.5;
alpN--; if (alpN < 0 || alpN > delayN) {alpN = delayN;}
inputSampleL += (aNL[alpN]);
inputSampleR += (aNR[alpN]);
if (damp > 13) {
avgtemp = inputSampleL;
inputSampleL += avgNL;
inputSampleL *= 0.5;
avgNL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgNR;
inputSampleR *= 0.5;
avgNR = avgtemp;
}
//allpass filter N
case 12:
allpasstemp = alpO - 1;
if (allpasstemp < 0 || allpasstemp > delayO) {allpasstemp = delayO;}
inputSampleL -= aOL[allpasstemp]*0.5;
aOL[alpO] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aOR[allpasstemp]*0.5;
aOR[alpO] = inputSampleR;
inputSampleR *= 0.5;
alpO--; if (alpO < 0 || alpO > delayO) {alpO = delayO;}
inputSampleL += (aOL[alpO]);
inputSampleR += (aOR[alpO]);
if (damp > 12) {
avgtemp = inputSampleL;
inputSampleL += avgOL;
inputSampleL *= 0.5;
avgOL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgOR;
inputSampleR *= 0.5;
avgOR = avgtemp;
}
//allpass filter O
case 11:
allpasstemp = alpP - 1;
if (allpasstemp < 0 || allpasstemp > delayP) {allpasstemp = delayP;}
inputSampleL -= aPL[allpasstemp]*0.5;
aPL[alpP] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aPR[allpasstemp]*0.5;
aPR[alpP] = inputSampleR;
inputSampleR *= 0.5;
alpP--; if (alpP < 0 || alpP > delayP) {alpP = delayP;}
inputSampleL += (aPL[alpP]);
inputSampleR += (aPR[alpP]);
if (damp > 11) {
avgtemp = inputSampleL;
inputSampleL += avgPL;
inputSampleL *= 0.5;
avgPL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgPR;
inputSampleR *= 0.5;
avgPR = avgtemp;
}
//allpass filter P
case 10:
allpasstemp = alpQ - 1;
if (allpasstemp < 0 || allpasstemp > delayQ) {allpasstemp = delayQ;}
inputSampleL -= aQL[allpasstemp]*0.5;
aQL[alpQ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aQR[allpasstemp]*0.5;
aQR[alpQ] = inputSampleR;
inputSampleR *= 0.5;
alpQ--; if (alpQ < 0 || alpQ > delayQ) {alpQ = delayQ;}
inputSampleL += (aQL[alpQ]);
inputSampleR += (aQR[alpQ]);
if (damp > 10) {
avgtemp = inputSampleL;
inputSampleL += avgQL;
inputSampleL *= 0.5;
avgQL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgQR;
inputSampleR *= 0.5;
avgQR = avgtemp;
}
//allpass filter Q
case 9:
allpasstemp = alpR - 1;
if (allpasstemp < 0 || allpasstemp > delayR) {allpasstemp = delayR;}
inputSampleL -= aRL[allpasstemp]*0.5;
aRL[alpR] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aRR[allpasstemp]*0.5;
aRR[alpR] = inputSampleR;
inputSampleR *= 0.5;
alpR--; if (alpR < 0 || alpR > delayR) {alpR = delayR;}
inputSampleL += (aRL[alpR]);
inputSampleR += (aRR[alpR]);
if (damp > 9) {
avgtemp = inputSampleL;
inputSampleL += avgRL;
inputSampleL *= 0.5;
avgRL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgRR;
inputSampleR *= 0.5;
avgRR = avgtemp;
}
//allpass filter R
case 8:
allpasstemp = alpS - 1;
if (allpasstemp < 0 || allpasstemp > delayS) {allpasstemp = delayS;}
inputSampleL -= aSL[allpasstemp]*0.5;
aSL[alpS] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aSR[allpasstemp]*0.5;
aSR[alpS] = inputSampleR;
inputSampleR *= 0.5;
alpS--; if (alpS < 0 || alpS > delayS) {alpS = delayS;}
inputSampleL += (aSL[alpS]);
inputSampleR += (aSR[alpS]);
if (damp > 8) {
avgtemp = inputSampleL;
inputSampleL += avgSL;
inputSampleL *= 0.5;
avgSL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgSR;
inputSampleR *= 0.5;
avgSR = avgtemp;
}
//allpass filter S
case 7:
allpasstemp = alpT - 1;
if (allpasstemp < 0 || allpasstemp > delayT) {allpasstemp = delayT;}
inputSampleL -= aTL[allpasstemp]*0.5;
aTL[alpT] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aTR[allpasstemp]*0.5;
aTR[alpT] = inputSampleR;
inputSampleR *= 0.5;
alpT--; if (alpT < 0 || alpT > delayT) {alpT = delayT;}
inputSampleL += (aTL[alpT]);
inputSampleR += (aTR[alpT]);
if (damp > 7) {
avgtemp = inputSampleL;
inputSampleL += avgTL;
inputSampleL *= 0.5;
avgTL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgTR;
inputSampleR *= 0.5;
avgTR = avgtemp;
}
//allpass filter T
case 6:
allpasstemp = alpU - 1;
if (allpasstemp < 0 || allpasstemp > delayU) {allpasstemp = delayU;}
inputSampleL -= aUL[allpasstemp]*0.5;
aUL[alpU] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aUR[allpasstemp]*0.5;
aUR[alpU] = inputSampleR;
inputSampleR *= 0.5;
alpU--; if (alpU < 0 || alpU > delayU) {alpU = delayU;}
inputSampleL += (aUL[alpU]);
inputSampleR += (aUR[alpU]);
if (damp > 6) {
avgtemp = inputSampleL;
inputSampleL += avgUL;
inputSampleL *= 0.5;
avgUL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgUR;
inputSampleR *= 0.5;
avgUR = avgtemp;
}
//allpass filter U
case 5:
allpasstemp = alpV - 1;
if (allpasstemp < 0 || allpasstemp > delayV) {allpasstemp = delayV;}
inputSampleL -= aVL[allpasstemp]*0.5;
aVL[alpV] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aVR[allpasstemp]*0.5;
aVR[alpV] = inputSampleR;
inputSampleR *= 0.5;
alpV--; if (alpV < 0 || alpV > delayV) {alpV = delayV;}
inputSampleL += (aVL[alpV]);
inputSampleR += (aVR[alpV]);
if (damp > 5) {
avgtemp = inputSampleL;
inputSampleL += avgVL;
inputSampleL *= 0.5;
avgVL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgVR;
inputSampleR *= 0.5;
avgVR = avgtemp;
}
//allpass filter V
case 4:
allpasstemp = alpW - 1;
if (allpasstemp < 0 || allpasstemp > delayW) {allpasstemp = delayW;}
inputSampleL -= aWL[allpasstemp]*0.5;
aWL[alpW] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aWR[allpasstemp]*0.5;
aWR[alpW] = inputSampleR;
inputSampleR *= 0.5;
alpW--; if (alpW < 0 || alpW > delayW) {alpW = delayW;}
inputSampleL += (aWL[alpW]);
inputSampleR += (aWR[alpW]);
if (damp > 4) {
avgtemp = inputSampleL;
inputSampleL += avgWL;
inputSampleL *= 0.5;
avgWL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgWR;
inputSampleR *= 0.5;
avgWR = avgtemp;
}
//allpass filter W
case 3:
allpasstemp = alpX - 1;
if (allpasstemp < 0 || allpasstemp > delayX) {allpasstemp = delayX;}
inputSampleL -= aXL[allpasstemp]*0.5;
aXL[alpX] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aXR[allpasstemp]*0.5;
aXR[alpX] = inputSampleR;
inputSampleR *= 0.5;
alpX--; if (alpX < 0 || alpX > delayX) {alpX = delayX;}
inputSampleL += (aXL[alpX]);
inputSampleR += (aXR[alpX]);
if (damp > 3) {
avgtemp = inputSampleL;
inputSampleL += avgXL;
inputSampleL *= 0.5;
avgXL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgXR;
inputSampleR *= 0.5;
avgXR = avgtemp;
}
//allpass filter X
case 2:
allpasstemp = alpY - 1;
if (allpasstemp < 0 || allpasstemp > delayY) {allpasstemp = delayY;}
inputSampleL -= aYL[allpasstemp]*0.5;
aYL[alpY] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aYR[allpasstemp]*0.5;
aYR[alpY] = inputSampleR;
inputSampleR *= 0.5;
alpY--; if (alpY < 0 || alpY > delayY) {alpY = delayY;}
inputSampleL += (aYL[alpY]);
inputSampleR += (aYR[alpY]);
if (damp > 2) {
avgtemp = inputSampleL;
inputSampleL += avgYL;
inputSampleL *= 0.5;
avgYL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgYR;
inputSampleR *= 0.5;
avgYR = avgtemp;
}
//allpass filter Y
case 1:
allpasstemp = alpZ - 1;
if (allpasstemp < 0 || allpasstemp > delayZ) {allpasstemp = delayZ;}
inputSampleL -= aZL[allpasstemp]*0.5;
aZL[alpZ] = inputSampleL;
inputSampleL *= 0.5;
inputSampleR -= aZR[allpasstemp]*0.5;
aZR[alpZ] = inputSampleR;
inputSampleR *= 0.5;
alpZ--; if (alpZ < 0 || alpZ > delayZ) {alpZ = delayZ;}
inputSampleL += (aZL[alpZ]);
inputSampleR += (aZR[alpZ]);
if (damp > 1) {
avgtemp = inputSampleL;
inputSampleL += avgZL;
inputSampleL *= 0.5;
avgZL = avgtemp;
avgtemp = inputSampleR;
inputSampleR += avgZR;
inputSampleR *= 0.5;
avgZR = avgtemp;
}
//allpass filter Z
}
feedbackL = inputSampleL * feedbacklevel;
feedbackR = inputSampleR * feedbacklevel;
if (gain != 1.0) {
inputSampleL *= gain;
inputSampleR *= gain;
}
//we can pad with the gain to tame distortyness from the PurestConsole code
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);
if (cycleEnd == 4) {
lastRefL[0] = lastRefL[4]; //start from previous last
lastRefL[2] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[1] = (lastRefL[0] + lastRefL[2])/2; //one quarter
lastRefL[3] = (lastRefL[2] + inputSampleL)/2; //three quarters
lastRefL[4] = inputSampleL; //full
lastRefR[0] = lastRefR[4]; //start from previous last
lastRefR[2] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[1] = (lastRefR[0] + lastRefR[2])/2; //one quarter
lastRefR[3] = (lastRefR[2] + inputSampleR)/2; //three quarters
lastRefR[4] = inputSampleR; //full
}
if (cycleEnd == 3) {
lastRefL[0] = lastRefL[3]; //start from previous last
lastRefL[2] = (lastRefL[0]+lastRefL[0]+inputSampleL)/3; //third
lastRefL[1] = (lastRefL[0]+inputSampleL+inputSampleL)/3; //two thirds
lastRefL[3] = inputSampleL; //full
lastRefR[0] = lastRefR[3]; //start from previous last
lastRefR[2] = (lastRefR[0]+lastRefR[0]+inputSampleR)/3; //third
lastRefR[1] = (lastRefR[0]+inputSampleR+inputSampleR)/3; //two thirds
lastRefR[3] = inputSampleR; //full
}
if (cycleEnd == 2) {
lastRefL[0] = lastRefL[2]; //start from previous last
lastRefL[1] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[2] = inputSampleL; //full
lastRefR[0] = lastRefR[2]; //start from previous last
lastRefR[1] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[2] = inputSampleR; //full
}
if (cycleEnd == 1) {
lastRefL[0] = inputSampleL;
lastRefR[0] = inputSampleR;
}
cycle = 0; //reset
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
} else {
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
//we are going through our references now
}
if (wet !=1.0) {
inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
}
//Dry/Wet control, defaults to the last slider
//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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