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202 lines
8.3 KiB
C++
Executable file
202 lines
8.3 KiB
C++
Executable file
/* ========================================
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* TapeFat - TapeFat.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __TapeFat_H
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#include "TapeFat.h"
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#endif
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void TapeFat::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 leanfat = ((A*2.0)-1.0);
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double wet = fabs(leanfat);
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int fatness = (int)floor((B*29.0)+3.0);
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double floattotalL = 0.0;
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double floattotalR = 0.0;
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int sumtotalL = 0;
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int sumtotalR = 0;
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int count;
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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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if (gcount < 0 || gcount > 128) {gcount = 128;}
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count = gcount;
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pL[count+128] = pL[count] = sumtotalL = (int)(inputSampleL*8388608.0);
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pR[count+128] = pR[count] = sumtotalR = (int)(inputSampleR*8388608.0);
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switch (fatness)
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{
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case 32: sumtotalL += pL[count+127]; sumtotalR += pR[count+127]; //note NO break statement.
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case 31: sumtotalL += pL[count+113]; sumtotalR += pR[count+113]; //This jumps to the relevant tap
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case 30: sumtotalL += pL[count+109]; sumtotalR += pR[count+109]; //and then includes all smaller taps.
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case 29: sumtotalL += pL[count+107]; sumtotalR += pR[count+107];
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case 28: sumtotalL += pL[count+103]; sumtotalR += pR[count+103];
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case 27: sumtotalL += pL[count+101]; sumtotalR += pR[count+101];
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case 26: sumtotalL += pL[count+97]; sumtotalR += pR[count+97];
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case 25: sumtotalL += pL[count+89]; sumtotalR += pR[count+89];
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case 24: sumtotalL += pL[count+83]; sumtotalR += pR[count+83];
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case 23: sumtotalL += pL[count+79]; sumtotalR += pR[count+79];
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case 22: sumtotalL += pL[count+73]; sumtotalR += pR[count+73];
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case 21: sumtotalL += pL[count+71]; sumtotalR += pR[count+71];
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case 20: sumtotalL += pL[count+67]; sumtotalR += pR[count+67];
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case 19: sumtotalL += pL[count+61]; sumtotalR += pR[count+61];
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case 18: sumtotalL += pL[count+59]; sumtotalR += pR[count+59];
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case 17: sumtotalL += pL[count+53]; sumtotalR += pR[count+53];
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case 16: sumtotalL += pL[count+47]; sumtotalR += pR[count+47];
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case 15: sumtotalL += pL[count+43]; sumtotalR += pR[count+43];
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case 14: sumtotalL += pL[count+41]; sumtotalR += pR[count+41];
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case 13: sumtotalL += pL[count+37]; sumtotalR += pR[count+37];
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case 12: sumtotalL += pL[count+31]; sumtotalR += pR[count+31];
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case 11: sumtotalL += pL[count+29]; sumtotalR += pR[count+29];
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case 10: sumtotalL += pL[count+23]; sumtotalR += pR[count+23];
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case 9: sumtotalL += pL[count+19]; sumtotalR += pR[count+19];
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case 8: sumtotalL += pL[count+17]; sumtotalR += pR[count+17];
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case 7: sumtotalL += pL[count+13]; sumtotalR += pR[count+13];
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case 6: sumtotalL += pL[count+11]; sumtotalR += pR[count+11];
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case 5: sumtotalL += pL[count+7]; sumtotalR += pR[count+7];
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case 4: sumtotalL += pL[count+5]; sumtotalR += pR[count+5];
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case 3: sumtotalL += pL[count+3]; sumtotalR += pR[count+3];
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case 2: sumtotalL += pL[count+2]; sumtotalR += pR[count+2];
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case 1: sumtotalL += pL[count+1]; sumtotalR += pR[count+1];
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}
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floattotalL = (double)(sumtotalL/fatness+1);
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floattotalR = (double)(sumtotalR/fatness+1);
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floattotalL /= 8388608.0;
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floattotalR /= 8388608.0;
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floattotalL *= wet;
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floattotalR *= wet;
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if (leanfat < 0) {inputSampleL = inputSampleL-floattotalL; inputSampleR = inputSampleR-floattotalR;}
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else {inputSampleL = (inputSampleL * (1-wet))+floattotalL; inputSampleR = (inputSampleR * (1-wet))+floattotalR;}
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gcount--;
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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 TapeFat::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 leanfat = ((A*2.0)-1.0);
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double wet = fabs(leanfat);
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int fatness = (int)floor((B*29.0)+3.0);
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double floattotalL = 0.0;
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double floattotalR = 0.0;
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int sumtotalL = 0;
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int sumtotalR = 0;
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int count;
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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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if (gcount < 0 || gcount > 128) {gcount = 128;}
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count = gcount;
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pL[count+128] = pL[count] = sumtotalL = (int)(inputSampleL*8388608.0);
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pR[count+128] = pR[count] = sumtotalR = (int)(inputSampleR*8388608.0);
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switch (fatness)
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{
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case 32: sumtotalL += pL[count+127]; sumtotalR += pR[count+127]; //note NO break statement.
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case 31: sumtotalL += pL[count+113]; sumtotalR += pR[count+113]; //This jumps to the relevant tap
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case 30: sumtotalL += pL[count+109]; sumtotalR += pR[count+109]; //and then includes all smaller taps.
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case 29: sumtotalL += pL[count+107]; sumtotalR += pR[count+107];
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case 28: sumtotalL += pL[count+103]; sumtotalR += pR[count+103];
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case 27: sumtotalL += pL[count+101]; sumtotalR += pR[count+101];
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case 26: sumtotalL += pL[count+97]; sumtotalR += pR[count+97];
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case 25: sumtotalL += pL[count+89]; sumtotalR += pR[count+89];
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case 24: sumtotalL += pL[count+83]; sumtotalR += pR[count+83];
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case 23: sumtotalL += pL[count+79]; sumtotalR += pR[count+79];
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case 22: sumtotalL += pL[count+73]; sumtotalR += pR[count+73];
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case 21: sumtotalL += pL[count+71]; sumtotalR += pR[count+71];
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case 20: sumtotalL += pL[count+67]; sumtotalR += pR[count+67];
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case 19: sumtotalL += pL[count+61]; sumtotalR += pR[count+61];
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case 18: sumtotalL += pL[count+59]; sumtotalR += pR[count+59];
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case 17: sumtotalL += pL[count+53]; sumtotalR += pR[count+53];
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case 16: sumtotalL += pL[count+47]; sumtotalR += pR[count+47];
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case 15: sumtotalL += pL[count+43]; sumtotalR += pR[count+43];
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case 14: sumtotalL += pL[count+41]; sumtotalR += pR[count+41];
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case 13: sumtotalL += pL[count+37]; sumtotalR += pR[count+37];
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case 12: sumtotalL += pL[count+31]; sumtotalR += pR[count+31];
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case 11: sumtotalL += pL[count+29]; sumtotalR += pR[count+29];
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case 10: sumtotalL += pL[count+23]; sumtotalR += pR[count+23];
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case 9: sumtotalL += pL[count+19]; sumtotalR += pR[count+19];
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case 8: sumtotalL += pL[count+17]; sumtotalR += pR[count+17];
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case 7: sumtotalL += pL[count+13]; sumtotalR += pR[count+13];
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case 6: sumtotalL += pL[count+11]; sumtotalR += pR[count+11];
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case 5: sumtotalL += pL[count+7]; sumtotalR += pR[count+7];
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case 4: sumtotalL += pL[count+5]; sumtotalR += pR[count+5];
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case 3: sumtotalL += pL[count+3]; sumtotalR += pR[count+3];
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case 2: sumtotalL += pL[count+2]; sumtotalR += pR[count+2];
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case 1: sumtotalL += pL[count+1]; sumtotalR += pR[count+1];
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}
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floattotalL = (double)(sumtotalL/fatness+1);
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floattotalR = (double)(sumtotalR/fatness+1);
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floattotalL /= 8388608.0;
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floattotalR /= 8388608.0;
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floattotalL *= wet;
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floattotalR *= wet;
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if (leanfat < 0) {inputSampleL = inputSampleL-floattotalL; inputSampleR = inputSampleR-floattotalR;}
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else {inputSampleL = (inputSampleL * (1-wet))+floattotalL; inputSampleR = (inputSampleR * (1-wet))+floattotalR;}
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gcount--;
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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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}
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