diff options
Diffstat (limited to 'plugins/MacVST/SingleEndedTriode/source/SingleEndedTriodeProc.cpp')
| -rwxr-xr-x | plugins/MacVST/SingleEndedTriode/source/SingleEndedTriodeProc.cpp | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/plugins/MacVST/SingleEndedTriode/source/SingleEndedTriodeProc.cpp b/plugins/MacVST/SingleEndedTriode/source/SingleEndedTriodeProc.cpp new file mode 100755 index 0000000..5781165 --- /dev/null +++ b/plugins/MacVST/SingleEndedTriode/source/SingleEndedTriodeProc.cpp @@ -0,0 +1,306 @@ +/* ======================================== + * SingleEndedTriode - SingleEndedTriode.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __SingleEndedTriode_H +#include "SingleEndedTriode.h" +#endif + +void SingleEndedTriode::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + double intensity = pow(A,2)*8.0; + double triode = intensity; + intensity +=0.001; + double softcrossover = pow(B,3)/8.0; + double hardcrossover = pow(C,7)/8.0; + double wet = D; + double dry = 1.0 - wet; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double 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. + } + double drySampleL = inputSampleL; + double drySampleR = inputSampleR; + + if (triode > 0.0) + { + inputSampleL *= intensity; + inputSampleR *= intensity; + inputSampleL -= 0.5; + inputSampleR -= 0.5; + + long double bridgerectifier = fabs(inputSampleL); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (inputSampleL > 0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (inputSampleR > 0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + + inputSampleL += postsine; + inputSampleR += postsine; + inputSampleL /= intensity; + inputSampleR /= intensity; + } + + if (softcrossover > 0.0) + { + long double bridgerectifier = fabs(inputSampleL); + if (bridgerectifier > 0.0) bridgerectifier -= (softcrossover*(bridgerectifier+sqrt(bridgerectifier))); + if (bridgerectifier < 0.0) bridgerectifier = 0; + if (inputSampleL > 0.0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + if (bridgerectifier > 0.0) bridgerectifier -= (softcrossover*(bridgerectifier+sqrt(bridgerectifier))); + if (bridgerectifier < 0.0) bridgerectifier = 0; + if (inputSampleR > 0.0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + } + + + if (hardcrossover > 0.0) + { + long double bridgerectifier = fabs(inputSampleL); + bridgerectifier -= hardcrossover; + if (bridgerectifier < 0.0) bridgerectifier = 0.0; + if (inputSampleL > 0.0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + bridgerectifier -= hardcrossover; + if (bridgerectifier < 0.0) bridgerectifier = 0.0; + if (inputSampleR > 0.0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 32-bit floating point + float fpTemp = inputSampleL; + fpNShapeL += (inputSampleL-fpTemp); + inputSampleL += fpNShapeL; + //if this confuses you look at the wordlength for fpTemp :) + fpTemp = inputSampleR; + fpNShapeR += (inputSampleR-fpTemp); + inputSampleR += fpNShapeR; + //for deeper space and warmth, we try a non-oscillating noise shaping + //that is kind of ruthless: it will forever retain the rounding errors + //except we'll dial it back a hair at the end of every buffer processed + //end noise shaping on 32 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + fpNShapeL *= 0.999999; + fpNShapeR *= 0.999999; + //we will just delicately dial back the FP noise shaping, not even every sample + //this is a good place to put subtle 'no runaway' calculations, though bear in mind + //that it will be called more often when you use shorter sample buffers in the DAW. + //So, very low latency operation will call these calculations more often. +} + +void SingleEndedTriode::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + double intensity = pow(A,2)*8.0; + double triode = intensity; + intensity +=0.001; + double softcrossover = pow(B,3)/8.0; + double hardcrossover = pow(C,7)/8.0; + double wet = D; + double dry = 1.0 - wet; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double 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. + } + double drySampleL = inputSampleL; + double drySampleR = inputSampleR; + + if (triode > 0.0) + { + inputSampleL *= intensity; + inputSampleR *= intensity; + inputSampleL -= 0.5; + inputSampleR -= 0.5; + + long double bridgerectifier = fabs(inputSampleL); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (inputSampleL > 0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633; + bridgerectifier = sin(bridgerectifier); + if (inputSampleR > 0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + + inputSampleL += postsine; + inputSampleR += postsine; + inputSampleL /= intensity; + inputSampleR /= intensity; + } + + if (softcrossover > 0.0) + { + long double bridgerectifier = fabs(inputSampleL); + if (bridgerectifier > 0.0) bridgerectifier -= (softcrossover*(bridgerectifier+sqrt(bridgerectifier))); + if (bridgerectifier < 0.0) bridgerectifier = 0; + if (inputSampleL > 0.0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + if (bridgerectifier > 0.0) bridgerectifier -= (softcrossover*(bridgerectifier+sqrt(bridgerectifier))); + if (bridgerectifier < 0.0) bridgerectifier = 0; + if (inputSampleR > 0.0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + } + + + if (hardcrossover > 0.0) + { + long double bridgerectifier = fabs(inputSampleL); + bridgerectifier -= hardcrossover; + if (bridgerectifier < 0.0) bridgerectifier = 0.0; + if (inputSampleL > 0.0) inputSampleL = bridgerectifier; + else inputSampleL = -bridgerectifier; + + bridgerectifier = fabs(inputSampleR); + bridgerectifier -= hardcrossover; + if (bridgerectifier < 0.0) bridgerectifier = 0.0; + if (inputSampleR > 0.0) inputSampleR = bridgerectifier; + else inputSampleR = -bridgerectifier; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 64-bit floating point + double fpTemp = inputSampleL; + fpNShapeL += (inputSampleL-fpTemp); + inputSampleL += fpNShapeL; + //if this confuses you look at the wordlength for fpTemp :) + fpTemp = inputSampleR; + fpNShapeR += (inputSampleR-fpTemp); + inputSampleR += fpNShapeR; + //for deeper space and warmth, we try a non-oscillating noise shaping + //that is kind of ruthless: it will forever retain the rounding errors + //except we'll dial it back a hair at the end of every buffer processed + //end noise shaping on 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + fpNShapeL *= 0.999999; + fpNShapeR *= 0.999999; + //we will just delicately dial back the FP noise shaping, not even every sample + //this is a good place to put subtle 'no runaway' calculations, though bear in mind + //that it will be called more often when you use shorter sample buffers in the DAW. + //So, very low latency operation will call these calculations more often. +}
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