mirror of
https://github.com/airwindows/airwindows.git
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174 lines
No EOL
6.2 KiB
C++
Executable file
174 lines
No EOL
6.2 KiB
C++
Executable file
/* ========================================
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* C5RawChannel - C5RawChannel.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __C5RawChannel_H
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#include "C5RawChannel.h"
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#endif
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void C5RawChannel::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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double centering = A * 0.5;
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centering = 1.0 - pow(centering,5);
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//we can set our centering force from zero to rather high, but
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//there's a really intense taper on it forcing it to mostly be almost 1.0.
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//If it's literally 1.0, we don't even apply it, and you get the original
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//Xmas Morning bugged-out Console5, which is the default setting for Raw Console5.
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double differenceL;
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double differenceR;
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double inputSampleL;
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double inputSampleR;
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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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differenceL = lastSampleChannelL - inputSampleL;
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lastSampleChannelL = inputSampleL;
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//derive slew part off direct sample measurement + from last time
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differenceR = lastSampleChannelR - inputSampleR;
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lastSampleChannelR = inputSampleR;
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//derive slew part off direct sample measurement + from last time
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if (differenceL > 1.0) differenceL = 1.0;
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if (differenceL < -1.0) differenceL = -1.0;
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if (differenceR > 1.0) differenceR = 1.0;
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if (differenceR < -1.0) differenceR = -1.0;
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inputSampleL = lastFXChannelL + asin(differenceL);
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lastFXChannelL = inputSampleL;
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if (centering < 1.0) lastFXChannelL *= centering;
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//if we're using the crude centering force, it's applied here
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inputSampleR = lastFXChannelR + asin(differenceR);
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lastFXChannelR = inputSampleR;
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if (centering < 1.0) lastFXChannelR *= centering;
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//if we're using the crude centering force, it's applied here
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if (lastFXChannelL > 1.0) lastFXChannelL = 1.0;
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if (lastFXChannelL < -1.0) lastFXChannelL = -1.0;
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if (lastFXChannelR > 1.0) lastFXChannelR = 1.0;
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if (lastFXChannelR < -1.0) lastFXChannelR = -1.0;
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//build new signal off what was present in output last time
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//slew aspect
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if (inputSampleL > 1.57079633) inputSampleL = 1.57079633;
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if (inputSampleL < -1.57079633) inputSampleL = -1.57079633;
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inputSampleL = sin(inputSampleL);
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//amplitude aspect
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if (inputSampleR > 1.57079633) inputSampleR = 1.57079633;
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if (inputSampleR < -1.57079633) inputSampleR = -1.57079633;
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inputSampleR = sin(inputSampleR);
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//amplitude aspect
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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 C5RawChannel::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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double centering = A * 0.5;
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centering = 1.0 - pow(centering,5);
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//we can set our centering force from zero to rather high, but
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//there's a really intense taper on it forcing it to mostly be almost 1.0.
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//If it's literally 1.0, we don't even apply it, and you get the original
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//Xmas Morning bugged-out Console5, which is the default setting for Raw Console5.
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double differenceL;
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double differenceR;
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double inputSampleL;
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double inputSampleR;
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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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differenceL = lastSampleChannelL - inputSampleL;
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lastSampleChannelL = inputSampleL;
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//derive slew part off direct sample measurement + from last time
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differenceR = lastSampleChannelR - inputSampleR;
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lastSampleChannelR = inputSampleR;
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//derive slew part off direct sample measurement + from last time
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if (differenceL > 1.0) differenceL = 1.0;
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if (differenceL < -1.0) differenceL = -1.0;
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if (differenceR > 1.0) differenceR = 1.0;
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if (differenceR < -1.0) differenceR = -1.0;
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inputSampleL = lastFXChannelL + asin(differenceL);
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lastFXChannelL = inputSampleL;
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if (centering < 1.0) lastFXChannelL *= centering;
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//if we're using the crude centering force, it's applied here
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inputSampleR = lastFXChannelR + asin(differenceR);
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lastFXChannelR = inputSampleR;
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if (centering < 1.0) lastFXChannelR *= centering;
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//if we're using the crude centering force, it's applied here
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if (lastFXChannelL > 1.0) lastFXChannelL = 1.0;
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if (lastFXChannelL < -1.0) lastFXChannelL = -1.0;
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if (lastFXChannelR > 1.0) lastFXChannelR = 1.0;
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if (lastFXChannelR < -1.0) lastFXChannelR = -1.0;
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//build new signal off what was present in output last time
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//slew aspect
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if (inputSampleL > 1.57079633) inputSampleL = 1.57079633;
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if (inputSampleL < -1.57079633) inputSampleL = -1.57079633;
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inputSampleL = sin(inputSampleL);
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//amplitude aspect
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if (inputSampleR > 1.57079633) inputSampleR = 1.57079633;
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if (inputSampleR < -1.57079633) inputSampleR = -1.57079633;
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inputSampleR = sin(inputSampleR);
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//amplitude aspect
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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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} |