diff options
Diffstat (limited to 'plugins/MacVST/Hombre/source/HombreProc.cpp')
| -rwxr-xr-x | plugins/MacVST/Hombre/source/HombreProc.cpp | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/plugins/MacVST/Hombre/source/HombreProc.cpp b/plugins/MacVST/Hombre/source/HombreProc.cpp new file mode 100755 index 0000000..01e08bd --- /dev/null +++ b/plugins/MacVST/Hombre/source/HombreProc.cpp @@ -0,0 +1,322 @@ +/* ======================================== + * Hombre - Hombre.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Hombre_H +#include "Hombre.h" +#endif + +void Hombre::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + float fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + double target = A; + double offsetA; + double offsetB; + int widthA = (int)(1.0*overallscale); + int widthB = (int)(7.0*overallscale); //max 364 at 44.1, 792 at 96K + double wet = B; + double dry = 1.0 - wet; + double totalL; + double totalR; + int count; + + long double inputSampleL; + long double inputSampleR; + double drySampleL; + double drySampleR; + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + slide = (slide * 0.9997)+(target*0.0003); + + offsetA = ((pow(slide,2)) * 77)+3.2; + offsetB = (3.85 * offsetA)+41; + offsetA *= overallscale; + offsetB *= overallscale; + //adjust for sample rate + + if (gcount < 1 || gcount > 2000) {gcount = 2000;} + count = gcount; + + pL[count+2000] = pL[count] = inputSampleL; + pR[count+2000] = pR[count] = inputSampleR; + //double buffer + + count = (int)(gcount+floor(offsetA)); + + totalL = pL[count] * 0.391; //less as value moves away from .0 + totalL += pL[count+widthA]; //we can assume always using this in one way or another? + totalL += pL[count+widthA+widthA] * 0.391; //greater as value moves away from .0 + + totalR = pR[count] * 0.391; //less as value moves away from .0 + totalR += pR[count+widthA]; //we can assume always using this in one way or another? + totalR += pR[count+widthA+widthA] * 0.391; //greater as value moves away from .0 + + inputSampleL += ((totalL * 0.274)); + inputSampleR += ((totalR * 0.274)); + + count = (int)(gcount+floor(offsetB)); + + totalL = pL[count] * 0.918; //less as value moves away from .0 + totalL += pL[count+widthB]; //we can assume always using this in one way or another? + totalL += pL[count+widthB+widthB] * 0.918; //greater as value moves away from .0 + + totalR = pR[count] * 0.918; //less as value moves away from .0 + totalR += pR[count+widthB]; //we can assume always using this in one way or another? + totalR += pR[count+widthB+widthB] * 0.918; //greater as value moves away from .0 + + inputSampleL -= ((totalL * 0.629)); + inputSampleR -= ((totalR * 0.629)); + + inputSampleL /= 4; + inputSampleR /= 4; + + gcount--; + //still scrolling through the samples, remember + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 32-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 32 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Hombre::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + double fpTemp; //this is different from singlereplacing + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + double target = A; + double offsetA; + double offsetB; + int widthA = (int)(1.0*overallscale); + int widthB = (int)(7.0*overallscale); //max 364 at 44.1, 792 at 96K + double wet = B; + double dry = 1.0 - wet; + double totalL; + double totalR; + int count; + + long double inputSampleL; + long double inputSampleR; + double drySampleL; + double drySampleR; + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + slide = (slide * 0.9997)+(target*0.0003); + + offsetA = ((pow(slide,2)) * 77)+3.2; + offsetB = (3.85 * offsetA)+41; + offsetA *= overallscale; + offsetB *= overallscale; + //adjust for sample rate + + if (gcount < 1 || gcount > 2000) {gcount = 2000;} + count = gcount; + + pL[count+2000] = pL[count] = inputSampleL; + pR[count+2000] = pR[count] = inputSampleR; + //double buffer + + count = (int)(gcount+floor(offsetA)); + + totalL = pL[count] * 0.391; //less as value moves away from .0 + totalL += pL[count+widthA]; //we can assume always using this in one way or another? + totalL += pL[count+widthA+widthA] * 0.391; //greater as value moves away from .0 + + totalR = pR[count] * 0.391; //less as value moves away from .0 + totalR += pR[count+widthA]; //we can assume always using this in one way or another? + totalR += pR[count+widthA+widthA] * 0.391; //greater as value moves away from .0 + + inputSampleL += ((totalL * 0.274)); + inputSampleR += ((totalR * 0.274)); + + count = (int)(gcount+floor(offsetB)); + + totalL = pL[count] * 0.918; //less as value moves away from .0 + totalL += pL[count+widthB]; //we can assume always using this in one way or another? + totalL += pL[count+widthB+widthB] * 0.918; //greater as value moves away from .0 + + totalR = pR[count] * 0.918; //less as value moves away from .0 + totalR += pR[count+widthB]; //we can assume always using this in one way or another? + totalR += pR[count+widthB+widthB] * 0.918; //greater as value moves away from .0 + + inputSampleL -= ((totalL * 0.629)); + inputSampleR -= ((totalR * 0.629)); + + inputSampleL /= 4; + inputSampleR /= 4; + + gcount--; + //still scrolling through the samples, remember + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 64-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +}
\ No newline at end of file |