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https://github.com/airwindows/airwindows.git
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276 lines
No EOL
8 KiB
C++
Executable file
276 lines
No EOL
8 KiB
C++
Executable file
/* ========================================
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* ElectroHat - ElectroHat.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __ElectroHat_H
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#include "ElectroHat.h"
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#endif
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void ElectroHat::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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double overallscale = 1.0;
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overallscale /= 44100.0;
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overallscale *= getSampleRate();
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bool highSample = false;
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if (getSampleRate() > 64000) highSample = true;
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//we will go to another dither for 88 and 96K
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double drySampleL;
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double drySampleR;
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double tempSampleL;
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double tempSampleR;
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double inputSampleL;
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double inputSampleR;
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int deSyn = (VstInt32)( A * 5.999 )+1;
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double increment = B;
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double brighten = C;
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double outputlevel = D;
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double wet = E;
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if (deSyn == 4) {deSyn = 1; increment = 0.411; brighten = 0.87;}
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//606 preset
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if (deSyn == 5) {deSyn = 2; increment = 0.111; brighten = 1.0;}
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//808 preset
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if (deSyn == 6) {deSyn = 2; increment = 0.299; brighten = 0.359;}
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//909 preset
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int tok = deSyn + 1;
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increment *= 0.98;
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increment += 0.01;
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increment += (double)tok;
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double fosA = increment;
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double fosB = fosA * increment;
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double fosC = fosB * increment;
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double fosD = fosC * increment;
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double fosE = fosD * increment;
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double fosF = fosE * increment;
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int posA = fosA;
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int posB = fosB;
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int posC = fosC;
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int posD = fosD;
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int posE = fosE;
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int posF = fosF;
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int posG = posF*posE*posD*posC*posB; //factorial
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while (--sampleFrames >= 0)
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{
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inputSampleL = *in1;
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inputSampleR = *in2;
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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSampleL = fabs(inputSampleL)*outputlevel;
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inputSampleR = fabs(inputSampleR)*outputlevel;
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if (flip) { //will always be true unless we have high sample rate
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tik++;
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tik = tik % posG;
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tok = tik * tik; tok = tok % posF;
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tok *= tok; tok = tok % posE;
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tok *= tok; tok = tok % posD;
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tok *= tok; tok = tok % posC;
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tok *= tok; tok = tok % posB;
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tok *= tok; tok = tok % posA;
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inputSampleL = tok*inputSampleL;
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleL = -tok*inputSampleL;}
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if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleL = -tok*inputSampleL;}
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleL = -tok*inputSampleL;}
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inputSampleR = tok*inputSampleR;
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleR = -tok*inputSampleR;}
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if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleR = -tok*inputSampleR;}
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleR = -tok*inputSampleR;}
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lok = tok;
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tempSampleL = inputSampleL;
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inputSampleL = inputSampleL - (lastSampleL*brighten);
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lastSampleL = tempSampleL;
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tempSampleR = inputSampleR;
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inputSampleR = inputSampleR - (lastSampleR*brighten);
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lastSampleR = tempSampleR;
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} else { //we have high sample rate and this is an interpolate sample
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inputSampleL = lastSampleL;
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inputSampleR = lastSampleR;
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//not really interpolating, just sample-and-hold
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}
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if (highSample) {
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flip = !flip;
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} else {
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flip = true;
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}
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tempSampleL = inputSampleL;
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inputSampleL += storedSampleL;
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storedSampleL = tempSampleL;
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tempSampleR = inputSampleR;
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inputSampleR += storedSampleR;
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storedSampleR = tempSampleR;
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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 ElectroHat::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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double overallscale = 1.0;
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overallscale /= 44100.0;
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overallscale *= getSampleRate();
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bool highSample = false;
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if (getSampleRate() > 64000) highSample = true;
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//we will go to another dither for 88 and 96K
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double drySampleL;
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double drySampleR;
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double tempSampleL;
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double tempSampleR;
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double inputSampleL;
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double inputSampleR;
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int deSyn = (VstInt32)( A * 5.999 )+1;
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double increment = B;
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double brighten = C;
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double outputlevel = D;
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double wet = E;
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if (deSyn == 4) {deSyn = 1; increment = 0.411; brighten = 0.87;}
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//606 preset
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if (deSyn == 5) {deSyn = 2; increment = 0.111; brighten = 1.0;}
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//808 preset
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if (deSyn == 6) {deSyn = 2; increment = 0.299; brighten = 0.359;}
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//909 preset
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int tok = deSyn + 1;
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increment *= 0.98;
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increment += 0.01;
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increment += (double)tok;
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double fosA = increment;
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double fosB = fosA * increment;
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double fosC = fosB * increment;
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double fosD = fosC * increment;
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double fosE = fosD * increment;
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double fosF = fosE * increment;
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int posA = fosA;
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int posB = fosB;
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int posC = fosC;
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int posD = fosD;
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int posE = fosE;
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int posF = fosF;
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int posG = posF*posE*posD*posC*posB; //factorial
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while (--sampleFrames >= 0)
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{
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inputSampleL = *in1;
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inputSampleR = *in2;
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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSampleL = fabs(inputSampleL)*outputlevel;
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inputSampleR = fabs(inputSampleR)*outputlevel;
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if (flip) { //will always be true unless we have high sample rate
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tik++;
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tik = tik % posG;
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tok = tik * tik; tok = tok % posF;
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tok *= tok; tok = tok % posE;
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tok *= tok; tok = tok % posD;
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tok *= tok; tok = tok % posC;
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tok *= tok; tok = tok % posB;
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tok *= tok; tok = tok % posA;
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inputSampleL = tok*inputSampleL;
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleL = -tok*inputSampleL;}
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if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleL = -tok*inputSampleL;}
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleL = -tok*inputSampleL;}
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inputSampleR = tok*inputSampleR;
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 1)) {inputSampleR = -tok*inputSampleR;}
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if ((abs(lok-tok)>abs(lok+tok))&&(deSyn == 2)) {inputSampleR = -tok*inputSampleR;}
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if ((abs(lok-tok)<abs(lok+tok))&&(deSyn == 3)) {inputSampleR = -tok*inputSampleR;}
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lok = tok;
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tempSampleL = inputSampleL;
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inputSampleL = inputSampleL - (lastSampleL*brighten);
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lastSampleL = tempSampleL;
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tempSampleR = inputSampleR;
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inputSampleR = inputSampleR - (lastSampleR*brighten);
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lastSampleR = tempSampleR;
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} else { //we have high sample rate and this is an interpolate sample
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inputSampleL = lastSampleL;
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inputSampleR = lastSampleR;
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//not really interpolating, just sample-and-hold
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}
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if (highSample) {
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flip = !flip;
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} else {
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flip = true;
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}
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tempSampleL = inputSampleL;
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inputSampleL += storedSampleL;
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storedSampleL = tempSampleL;
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tempSampleR = inputSampleR;
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inputSampleR += storedSampleR;
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storedSampleR = tempSampleR;
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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 64 bit stereo floating point dither
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//int expon; frexp((double)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)) * 1.1e-44l * pow(2,expon+62));
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//frexp((double)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)) * 1.1e-44l * pow(2,expon+62));
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//end 64 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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} |