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188 lines
6.5 KiB
C++
Executable file
188 lines
6.5 KiB
C++
Executable file
/* ========================================
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* RingModulator - RingModulator.h
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* Copyright (c) airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __RingModulator_H
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#include "RingModulator.h"
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#endif
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void RingModulator::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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VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it
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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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incLA = incLB; incLB = pow(A,5)/overallscale;
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incRA = incRB; incRB = pow(B,5)/overallscale;
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double soar = 0.3-(C*0.3);
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double wet = pow(D,2);
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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 temp = (double)sampleFrames/inFramesToProcess;
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double incL = (incLA*temp)+(incLB*(1.0-temp));
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double incR = (incRA*temp)+(incRB*(1.0-temp));
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sinePosL += incL;
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if (sinePosL > 6.283185307179586) sinePosL -= 6.283185307179586;
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double sinResultL = sin(sinePosL);
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sinePosR += incR;
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if (sinePosR > 6.283185307179586) sinePosR -= 6.283185307179586;
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double sinResultR = sin(sinePosR);
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double out = 0.0;
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double snM = fabs(sinResultL)+(soar*soar);
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double inM = fabs(inputSampleL);
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if (inM < snM) {
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inM = fabs(sinResultL);
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snM = fabs(inputSampleL)+(soar*soar);
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}
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if (inputSampleL > 0.0 && sinResultL > 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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if (inputSampleL < 0.0 && sinResultL > 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleL > 0.0 && sinResultL < 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleL < 0.0 && sinResultL < 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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inputSampleL = out;
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out = 0.0;
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snM = fabs(sinResultR)+(soar*soar);
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inM = fabs(inputSampleR);
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if (inM < snM) {
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inM = fabs(sinResultR);
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snM = fabs(inputSampleR)+(soar*soar);
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}
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if (inputSampleR > 0.0 && sinResultR > 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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if (inputSampleR < 0.0 && sinResultR > 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleR > 0.0 && sinResultR < 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleR < 0.0 && sinResultR < 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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inputSampleR = out;
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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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//Dry/Wet control, defaults to the last slider
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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 RingModulator::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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VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it
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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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incLA = incLB; incLB = pow(A,5)/overallscale;
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incRA = incRB; incRB = pow(B,5)/overallscale;
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double soar = 0.3-(C*0.3);
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double wet = pow(D,2);
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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 temp = (double)sampleFrames/inFramesToProcess;
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double incL = (incLA*temp)+(incLB*(1.0-temp));
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double incR = (incRA*temp)+(incRB*(1.0-temp));
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sinePosL += incL;
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if (sinePosL > 6.283185307179586) sinePosL -= 6.283185307179586;
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double sinResultL = sin(sinePosL);
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sinePosR += incR;
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if (sinePosR > 6.283185307179586) sinePosR -= 6.283185307179586;
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double sinResultR = sin(sinePosR);
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double out = 0.0;
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double snM = fabs(sinResultL)+(soar*soar);
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double inM = fabs(inputSampleL);
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if (inM < snM) {
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inM = fabs(sinResultL);
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snM = fabs(inputSampleL)+(soar*soar);
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}
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if (inputSampleL > 0.0 && sinResultL > 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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if (inputSampleL < 0.0 && sinResultL > 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleL > 0.0 && sinResultL < 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleL < 0.0 && sinResultL < 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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inputSampleL = out;
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out = 0.0;
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snM = fabs(sinResultR)+(soar*soar);
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inM = fabs(inputSampleR);
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if (inM < snM) {
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inM = fabs(sinResultR);
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snM = fabs(inputSampleR)+(soar*soar);
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}
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if (inputSampleR > 0.0 && sinResultR > 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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if (inputSampleR < 0.0 && sinResultR > 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleR > 0.0 && sinResultR < 0.0) out = fmin((-sqrt(inM/snM)*snM)+soar,0.0);
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if (inputSampleR < 0.0 && sinResultR < 0.0) out = fmax((sqrt(inM/snM)*snM)-soar,0.0);
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inputSampleR = out;
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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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//Dry/Wet control, defaults to the last slider
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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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