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https://github.com/airwindows/airwindows.git
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226 lines
No EOL
7.5 KiB
C++
Executable file
226 lines
No EOL
7.5 KiB
C++
Executable file
/* ========================================
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* Pyewacket - Pyewacket.h
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* Copyright (c) 2016 airwindows, All rights reserved
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* ======================================== */
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#ifndef __Pyewacket_H
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#include "Pyewacket.h"
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#endif
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void Pyewacket::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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double fpOld = 0.618033988749894848204586; //golden ratio!
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double fpNew = 1.0 - fpOld;
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double inputSampleL;
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double inputSampleR;
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double drySampleL;
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double drySampleR;
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double bridgerectifier;
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double temprectifier;
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double inputSense;
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double inputGain = pow(10.0,((A*24.0)-12.0)/20.0);
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double attack = ((B+0.5)*0.006)/overallscale;
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double decay = ((B+0.01)*0.0004)/overallscale;
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double outputGain = pow(10.0,((C*24.0)-12.0)/20.0);
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double wet;
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double maxblur;
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double blurdry;
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double out;
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double dry;
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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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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 (inputGain != 1.0) {
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inputSampleL *= inputGain;
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inputSampleR *= inputGain;
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}
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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSense = fabs(inputSampleL);
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if (fabs(inputSampleR) > inputSense)
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inputSense = fabs(inputSampleR);
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//we will take the greater of either channel and just use that, then apply the result
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//to both stereo channels.
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if (chase < inputSense) chase += attack;
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if (chase > 1.0) chase = 1.0;
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if (chase > inputSense) chase -= decay;
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if (chase < 0.0) chase = 0.0;
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//chase will be between 0 and ? (if input is super hot)
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out = wet = chase;
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if (wet > 1.0) wet = 1.0;
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maxblur = wet * fpNew;
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blurdry = 1.0 - maxblur;
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//scaled back so that blur remains balance of both
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if (out > fpOld) out = fpOld - (out - fpOld);
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if (out < 0.0) out = 0.0;
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dry = 1.0 - wet;
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if (inputSampleL > 1.57079633) inputSampleL = 1.57079633;
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if (inputSampleL < -1.57079633) inputSampleL = -1.57079633;
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if (inputSampleR > 1.57079633) inputSampleR = 1.57079633;
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if (inputSampleR < -1.57079633) inputSampleR = -1.57079633;
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bridgerectifier = fabs(inputSampleL);
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if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
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temprectifier = 1-cos(bridgerectifier);
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bridgerectifier = ((lastrectifierL*maxblur) + (temprectifier*blurdry));
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lastrectifierL = temprectifier;
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//starved version is also blurred by one sample
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if (inputSampleL > 0) inputSampleL = (inputSampleL*dry)+(bridgerectifier*out);
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else inputSampleL = (inputSampleL*dry)-(bridgerectifier*out);
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bridgerectifier = fabs(inputSampleR);
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if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
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temprectifier = 1-cos(bridgerectifier);
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bridgerectifier = ((lastrectifierR*maxblur) + (temprectifier*blurdry));
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lastrectifierR = temprectifier;
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//starved version is also blurred by one sample
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if (inputSampleR > 0) inputSampleR = (inputSampleR*dry)+(bridgerectifier*out);
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else inputSampleR = (inputSampleR*dry)-(bridgerectifier*out);
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if (outputGain != 1.0) {
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inputSampleL *= outputGain;
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inputSampleR *= outputGain;
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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 Pyewacket::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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double fpOld = 0.618033988749894848204586; //golden ratio!
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double fpNew = 1.0 - fpOld;
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double inputSampleL;
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double inputSampleR;
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double drySampleL;
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double drySampleR;
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double bridgerectifier;
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double temprectifier;
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double inputSense;
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double inputGain = pow(10.0,((A*24.0)-12.0)/20.0);
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double attack = ((B+0.5)*0.006)/overallscale;
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double decay = ((B+0.01)*0.0004)/overallscale;
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double outputGain = pow(10.0,((C*24.0)-12.0)/20.0);
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double wet;
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double maxblur;
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double blurdry;
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double out;
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double dry;
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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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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 (inputGain != 1.0) {
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inputSampleL *= inputGain;
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inputSampleR *= inputGain;
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}
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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSense = fabs(inputSampleL);
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if (fabs(inputSampleR) > inputSense)
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inputSense = fabs(inputSampleR);
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//we will take the greater of either channel and just use that, then apply the result
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//to both stereo channels.
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if (chase < inputSense) chase += attack;
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if (chase > 1.0) chase = 1.0;
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if (chase > inputSense) chase -= decay;
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if (chase < 0.0) chase = 0.0;
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//chase will be between 0 and ? (if input is super hot)
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out = wet = chase;
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if (wet > 1.0) wet = 1.0;
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maxblur = wet * fpNew;
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blurdry = 1.0 - maxblur;
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//scaled back so that blur remains balance of both
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if (out > fpOld) out = fpOld - (out - fpOld);
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if (out < 0.0) out = 0.0;
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dry = 1.0 - wet;
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if (inputSampleL > 1.57079633) inputSampleL = 1.57079633;
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if (inputSampleL < -1.57079633) inputSampleL = -1.57079633;
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if (inputSampleR > 1.57079633) inputSampleR = 1.57079633;
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if (inputSampleR < -1.57079633) inputSampleR = -1.57079633;
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bridgerectifier = fabs(inputSampleL);
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if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
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temprectifier = 1-cos(bridgerectifier);
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bridgerectifier = ((lastrectifierL*maxblur) + (temprectifier*blurdry));
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lastrectifierL = temprectifier;
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//starved version is also blurred by one sample
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if (inputSampleL > 0) inputSampleL = (inputSampleL*dry)+(bridgerectifier*out);
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else inputSampleL = (inputSampleL*dry)-(bridgerectifier*out);
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bridgerectifier = fabs(inputSampleR);
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if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
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temprectifier = 1-cos(bridgerectifier);
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bridgerectifier = ((lastrectifierR*maxblur) + (temprectifier*blurdry));
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lastrectifierR = temprectifier;
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//starved version is also blurred by one sample
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if (inputSampleR > 0) inputSampleR = (inputSampleR*dry)+(bridgerectifier*out);
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else inputSampleR = (inputSampleR*dry)-(bridgerectifier*out);
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if (outputGain != 1.0) {
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inputSampleL *= outputGain;
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inputSampleR *= outputGain;
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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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} |