diff options
Diffstat (limited to 'plugins/MacVST/Recurve/source/RecurveProc.cpp')
| -rwxr-xr-x | plugins/MacVST/Recurve/source/RecurveProc.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/plugins/MacVST/Recurve/source/RecurveProc.cpp b/plugins/MacVST/Recurve/source/RecurveProc.cpp new file mode 100755 index 0000000..8a0b85d --- /dev/null +++ b/plugins/MacVST/Recurve/source/RecurveProc.cpp @@ -0,0 +1,118 @@ +/* ======================================== + * Recurve - Recurve.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Recurve_H +#include "Recurve.h" +#endif + +void Recurve::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + 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; + + inputSampleL *= 0.5; + inputSampleR *= 0.5; + + if (gain < 0.0078125) gain = 0.0078125; if (gain > 2.0) gain = 2.0; + //gain of 1,0 gives you a super-clean one, gain of 2 is obviously compressing + //smaller number is maximum clamping, if too small it'll take a while to bounce back + inputSampleL *= gain; inputSampleR *= gain; + + gain += sin((fabs(inputSampleL*4)>1)?4:fabs(inputSampleL*4))*pow(inputSampleL,4); + gain += sin((fabs(inputSampleR*4)>1)?4:fabs(inputSampleR*4))*pow(inputSampleR,4); + //4.71239 radians sined will turn to -1 which is the maximum gain reduction speed + + inputSampleL *= 2.0; + inputSampleR *= 2.0; + + if (inputSampleL > 0.9999) inputSampleL = 0.9999; + if (inputSampleR > 0.9999) inputSampleR = 0.9999; + if (inputSampleL < -0.9999) inputSampleL = -0.9999; + if (inputSampleR < -0.9999) inputSampleR = -0.9999; + //iron bar so people can play with this as a loudenator + + //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 Recurve::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + 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; + + inputSampleL *= 0.5; + inputSampleR *= 0.5; + + if (gain < 0.0078125) gain = 0.0078125; if (gain > 2.0) gain = 2.0; + //gain of 1,0 gives you a super-clean one, gain of 2 is obviously compressing + //smaller number is maximum clamping, if too small it'll take a while to bounce back + inputSampleL *= gain; inputSampleR *= gain; + + gain += sin((fabs(inputSampleL*4)>1)?4:fabs(inputSampleL*4))*pow(inputSampleL,4); + gain += sin((fabs(inputSampleR*4)>1)?4:fabs(inputSampleR*4))*pow(inputSampleR,4); + //4.71239 radians sined will turn to -1 which is the maximum gain reduction speed + + inputSampleL *= 2.0; + inputSampleR *= 2.0; + + if (inputSampleL > 0.9999) inputSampleL = 0.9999; + if (inputSampleR > 0.9999) inputSampleR = 0.9999; + if (inputSampleL < -0.9999) inputSampleL = -0.9999; + if (inputSampleR < -0.9999) inputSampleR = -0.9999; + //iron bar so people can play with this as a loudenator + + //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++; + } +} |