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225 lines
No EOL
6.6 KiB
C++
Executable file
225 lines
No EOL
6.6 KiB
C++
Executable file
/* ========================================
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* PhaseNudge - PhaseNudge.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __PhaseNudge_H
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#include "PhaseNudge.h"
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#endif
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void PhaseNudge::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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int allpasstemp;
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double outallpass = 0.618033988749894848204586; //golden ratio!
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//if you see 0.6180 it's not a wild stretch to wonder whether you are working with a constant
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int maxdelayTarget = (int)(pow(A,3)*1501.0);
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double wet = B;
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//removed extra dry variable
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double bridgerectifier;
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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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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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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSampleL /= 4.0;
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inputSampleR /= 4.0;
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bridgerectifier = fabs(inputSampleL);
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bridgerectifier = sin(bridgerectifier);
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if (inputSampleL > 0) inputSampleL = bridgerectifier;
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else inputSampleL = -bridgerectifier;
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bridgerectifier = fabs(inputSampleR);
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bridgerectifier = sin(bridgerectifier);
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if (inputSampleR > 0) inputSampleR = bridgerectifier;
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else inputSampleR = -bridgerectifier;
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if (fabs(maxdelay - maxdelayTarget) > 1500) maxdelay = maxdelayTarget;
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if (maxdelay < maxdelayTarget) {
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maxdelay++;
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dL[maxdelay] = (dL[0]+dL[maxdelay-1]) / 2.0;
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dR[maxdelay] = (dR[0]+dR[maxdelay-1]) / 2.0;
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}
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if (maxdelay > maxdelayTarget) {
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maxdelay--;
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dL[maxdelay] = (dL[0]+dL[maxdelay]) / 2.0;
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dR[maxdelay] = (dR[0]+dR[maxdelay]) / 2.0;
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}
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allpasstemp = one - 1;
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if (allpasstemp < 0 || allpasstemp > maxdelay) allpasstemp = maxdelay;
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inputSampleL -= dL[allpasstemp]*outallpass;
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inputSampleR -= dR[allpasstemp]*outallpass;
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dL[one] = inputSampleL;
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dR[one] = inputSampleR;
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inputSampleL *= outallpass;
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inputSampleR *= outallpass;
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one--; if (one < 0 || one > maxdelay) {one = maxdelay;}
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inputSampleL += (dL[one]);
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inputSampleR += (dR[one]);
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bridgerectifier = fabs(inputSampleL);
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bridgerectifier = 1.0-cos(bridgerectifier);
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if (inputSampleL > 0) inputSampleL -= bridgerectifier;
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else inputSampleL += bridgerectifier;
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bridgerectifier = fabs(inputSampleR);
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bridgerectifier = 1.0-cos(bridgerectifier);
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if (inputSampleR > 0) inputSampleR -= bridgerectifier;
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else inputSampleR += bridgerectifier;
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inputSampleL *= 4.0;
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inputSampleR *= 4.0;
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if (wet < 1.0) {
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inputSampleL = (drySampleL * (1.0-wet))+(inputSampleL * wet);
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inputSampleR = (drySampleR * (1.0-wet))+(inputSampleR * 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 PhaseNudge::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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int allpasstemp;
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double outallpass = 0.618033988749894848204586; //golden ratio!
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//if you see 0.6180 it's not a wild stretch to wonder whether you are working with a constant
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int maxdelayTarget = (int)(pow(A,3)*1501.0);
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double wet = B;
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//removed extra dry variable
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double bridgerectifier;
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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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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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drySampleL = inputSampleL;
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drySampleR = inputSampleR;
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inputSampleL /= 4.0;
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inputSampleR /= 4.0;
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bridgerectifier = fabs(inputSampleL);
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bridgerectifier = sin(bridgerectifier);
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if (inputSampleL > 0) inputSampleL = bridgerectifier;
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else inputSampleL = -bridgerectifier;
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bridgerectifier = fabs(inputSampleR);
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bridgerectifier = sin(bridgerectifier);
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if (inputSampleR > 0) inputSampleR = bridgerectifier;
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else inputSampleR = -bridgerectifier;
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if (fabs(maxdelay - maxdelayTarget) > 1500) maxdelay = maxdelayTarget;
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if (maxdelay < maxdelayTarget) {
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maxdelay++;
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dL[maxdelay] = (dL[0]+dL[maxdelay-1]) / 2.0;
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dR[maxdelay] = (dR[0]+dR[maxdelay-1]) / 2.0;
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}
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if (maxdelay > maxdelayTarget) {
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maxdelay--;
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dL[maxdelay] = (dL[0]+dL[maxdelay]) / 2.0;
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dR[maxdelay] = (dR[0]+dR[maxdelay]) / 2.0;
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}
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allpasstemp = one - 1;
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if (allpasstemp < 0 || allpasstemp > maxdelay) allpasstemp = maxdelay;
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inputSampleL -= dL[allpasstemp]*outallpass;
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inputSampleR -= dR[allpasstemp]*outallpass;
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dL[one] = inputSampleL;
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dR[one] = inputSampleR;
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inputSampleL *= outallpass;
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inputSampleR *= outallpass;
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one--; if (one < 0 || one > maxdelay) {one = maxdelay;}
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inputSampleL += (dL[one]);
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inputSampleR += (dR[one]);
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bridgerectifier = fabs(inputSampleL);
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bridgerectifier = 1.0-cos(bridgerectifier);
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if (inputSampleL > 0) inputSampleL -= bridgerectifier;
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else inputSampleL += bridgerectifier;
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bridgerectifier = fabs(inputSampleR);
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bridgerectifier = 1.0-cos(bridgerectifier);
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if (inputSampleR > 0) inputSampleR -= bridgerectifier;
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else inputSampleR += bridgerectifier;
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inputSampleL *= 4.0;
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inputSampleR *= 4.0;
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if (wet < 1.0) {
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inputSampleL = (drySampleL * (1.0-wet))+(inputSampleL * wet);
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inputSampleR = (drySampleR * (1.0-wet))+(inputSampleR * 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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} |