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author | Chris Johnson <jinx6568@sover.net> | 2019-11-10 21:43:10 -0500 |
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committer | Chris Johnson <jinx6568@sover.net> | 2019-11-10 21:43:10 -0500 |
commit | 61067a02dfcea4ea684735b4f4383a742cf8814b (patch) | |
tree | f54dc3ceb02db97df0e6dbde7517856d50c98f47 /plugins/WinVST/Facet/FacetProc.cpp | |
parent | 65b6f8ae66aaaf324733eb2ab90e50f674ac2b1b (diff) | |
download | airwindows-lv2-port-61067a02dfcea4ea684735b4f4383a742cf8814b.tar.gz airwindows-lv2-port-61067a02dfcea4ea684735b4f4383a742cf8814b.tar.bz2 airwindows-lv2-port-61067a02dfcea4ea684735b4f4383a742cf8814b.zip |
Facet
Diffstat (limited to 'plugins/WinVST/Facet/FacetProc.cpp')
-rwxr-xr-x | plugins/WinVST/Facet/FacetProc.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/plugins/WinVST/Facet/FacetProc.cpp b/plugins/WinVST/Facet/FacetProc.cpp new file mode 100755 index 0000000..53e92ce --- /dev/null +++ b/plugins/WinVST/Facet/FacetProc.cpp @@ -0,0 +1,122 @@ +/* ======================================== + * Facet - Facet.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Facet_H +#include "Facet.h" +#endif + +void Facet::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double pos = A; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37; + if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37; + + + + + + if (inputSampleL > pos) { + inputSampleL = ((inputSampleL-pos)*pos)+pos; + } //facet algorithm: put a corner distortion in producing an artifact + if (inputSampleL < -pos) { + inputSampleL = ((inputSampleL+pos)*pos)-pos; + } //we increasingly produce a sharp 'angle' in the transfer function + + if (inputSampleR > pos) { + inputSampleR = ((inputSampleR-pos)*pos)+pos; + } //facet algorithm: put a corner distortion in producing an artifact + if (inputSampleR < -pos) { + inputSampleR = ((inputSampleR+pos)*pos)-pos; + } //we increasingly produce a sharp 'angle' in the transfer function + + + + + + //begin 32 bit stereo floating point dither + int expon; frexpf((float)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + frexpf((float)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + //end 32 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Facet::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double pos = A; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43; + if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43; + + + + + + if (inputSampleL > pos) { + inputSampleL = ((inputSampleL-pos)*pos)+pos; + } //facet algorithm: put a corner distortion in producing an artifact + if (inputSampleL < -pos) { + inputSampleL = ((inputSampleL+pos)*pos)-pos; + } //we increasingly produce a sharp 'angle' in the transfer function + + if (inputSampleR > pos) { + inputSampleR = ((inputSampleR-pos)*pos)+pos; + } //facet algorithm: put a corner distortion in producing an artifact + if (inputSampleR < -pos) { + inputSampleR = ((inputSampleR+pos)*pos)-pos; + } //we increasingly produce a sharp 'angle' in the transfer function + + + + + + //begin 64 bit stereo floating point dither + int expon; frexp((double)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + frexp((double)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + //end 64 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} |