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190 lines
6.6 KiB
C++
Executable file
190 lines
6.6 KiB
C++
Executable file
/* ========================================
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* EverySlew - EverySlew.h
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* Copyright (c) airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __EverySlew_H
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#include "EverySlew.h"
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#endif
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void EverySlew::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 source = pow(1-A,4)/overallscale;
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int stages = (1.0-B)*9.99;
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stages *= 5;
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double halo = C;
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double wet = (D*2.0)-1.0; //inv-dry-wet for highpass
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double dry = 2.0-(D*2.0);
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if (dry > 1.0) dry = 1.0; //full dry for use with inv, to 0.0 at full wet
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gslew[threshold10] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold9] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold8] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold7] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold6] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold5] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold4] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold3] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold2] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold1] = source;
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source *= 1.618033988749894848204586;
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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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for (int x = stages; x < gslew_total; x += 5) {
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if (((inputSampleL-gslew[x])-((gslew[x]-gslew[x+2])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleL = (gslew[x]-((gslew[x]-gslew[x+2])*halo)) + (gslew[x+4]*(1.0-halo));
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if (-((inputSampleL-gslew[x])-((gslew[x]-gslew[x+2])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleL = (gslew[x]-((gslew[x]-gslew[x+2])*halo*0.78)) - (gslew[x+4]*(1.0-(halo*0.78)));
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gslew[x+2] = gslew[x]*(1.0-halo);
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gslew[x] = inputSampleL;
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if (((inputSampleR-gslew[x+1])-((gslew[x+1]-gslew[x+3])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleR = (gslew[x+1]-((gslew[x+1]-gslew[x+3])*halo)) + (gslew[x+4]*(1.0-halo));
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if (-((inputSampleR-gslew[x+1])-((gslew[x+1]-gslew[x+3])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleR = (gslew[x+1]-((gslew[x+1]-gslew[x+3])*halo*0.78)) - (gslew[x+4]*(1.0-(halo*0.78)));
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gslew[x+3] = gslew[x+1]*(1.0-halo);
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gslew[x+1] = inputSampleR;
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}
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inputSampleL *= wet;
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inputSampleR *= wet;
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drySampleL *= dry;
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drySampleR *= dry;
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inputSampleL += drySampleL;
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inputSampleR += drySampleR;
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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 EverySlew::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 source = pow(1-A,4)/overallscale;
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int stages = (1.0-B)*9.99;
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stages *= 5;
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double halo = C;
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double wet = (D*2.0)-1.0; //inv-dry-wet for highpass
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double dry = 2.0-(D*2.0);
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if (dry > 1.0) dry = 1.0; //full dry for use with inv, to 0.0 at full wet
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gslew[threshold10] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold9] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold8] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold7] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold6] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold5] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold4] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold3] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold2] = source;
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source *= 1.618033988749894848204586;
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gslew[threshold1] = source;
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source *= 1.618033988749894848204586;
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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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for (int x = stages; x < gslew_total; x += 5) {
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if (((inputSampleL-gslew[x])-((gslew[x]-gslew[x+2])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleL = (gslew[x]-((gslew[x]-gslew[x+2])*halo)) + (gslew[x+4]*(1.0-halo));
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if (-((inputSampleL-gslew[x])-((gslew[x]-gslew[x+2])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleL = (gslew[x]-((gslew[x]-gslew[x+2])*halo*0.78)) - (gslew[x+4]*(1.0-(halo*0.78)));
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gslew[x+2] = gslew[x]*(1.0-halo);
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gslew[x] = inputSampleL;
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if (((inputSampleR-gslew[x+1])-((gslew[x+1]-gslew[x+3])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleR = (gslew[x+1]-((gslew[x+1]-gslew[x+3])*halo)) + (gslew[x+4]*(1.0-halo));
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if (-((inputSampleR-gslew[x+1])-((gslew[x+1]-gslew[x+3])*0.618033988749894848204586)) > gslew[x+4])
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inputSampleR = (gslew[x+1]-((gslew[x+1]-gslew[x+3])*halo*0.78)) - (gslew[x+4]*(1.0-(halo*0.78)));
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gslew[x+3] = gslew[x+1]*(1.0-halo);
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gslew[x+1] = inputSampleR;
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}
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inputSampleL *= wet;
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inputSampleR *= wet;
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drySampleL *= dry;
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drySampleR *= dry;
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inputSampleL += drySampleL;
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inputSampleR += drySampleR;
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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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