mirror of
https://github.com/airwindows/airwindows.git
synced 2026-05-15 14:16:00 -06:00
326 lines
9.4 KiB
C++
Executable file
326 lines
9.4 KiB
C++
Executable file
/* ========================================
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* Podcast - Podcast.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __Podcast_H
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#include "Podcast.h"
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#endif
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void Podcast::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 overallscale = 1.0;
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overallscale /= 44100.0;
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overallscale *= getSampleRate();
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double compress = 1.0 + pow(A,2);
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double wet = B;
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double speed1 = 64.0 / pow(compress,2);
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speed1 *= overallscale;
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double speed2 = speed1 * 1.4;
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double speed3 = speed2 * 1.5;
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double speed4 = speed3 * 1.6;
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double speed5 = speed4 * 1.7;
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double trigger;
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while (--sampleFrames >= 0)
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{
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double inputSampleL = *in1;
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double 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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double drySampleL = inputSampleL;
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double drySampleR = inputSampleR;
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inputSampleL *= c1L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c1L += trigger/speed5;
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if (c1L > compress) c1L = compress;
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//compress stage
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inputSampleR *= c1R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c1R += trigger/speed5;
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if (c1R > compress) c1R = compress;
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//compress stage
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inputSampleL *= c2L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c2L += trigger/speed4;
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if (c2L > compress) c2L = compress;
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//compress stage
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inputSampleR *= c2R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c2R += trigger/speed4;
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if (c2R > compress) c2R = compress;
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//compress stage
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inputSampleL *= c3L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c3L += trigger/speed3;
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if (c3L > compress) c3L = compress;
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//compress stage
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inputSampleR *= c3R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c3R += trigger/speed3;
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if (c3R > compress) c3R = compress;
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//compress stage
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inputSampleL *= c4L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c4L += trigger/speed2;
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if (c4L > compress) c4L = compress;
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//compress stage
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inputSampleR *= c4R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c4R += trigger/speed2;
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if (c4R > compress) c4R = compress;
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//compress stage
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inputSampleL *= c5L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c5L += trigger/speed1;
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if (c5L > compress) c5L = compress;
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//compress stage
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inputSampleR *= c5R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c5R += trigger/speed1;
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if (c5R > compress) c5R = compress;
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//compress stage
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if (compress > 1.0) {
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inputSampleL /= compress;
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inputSampleR /= compress;
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}
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if (wet !=1.0) {
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inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
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inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
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}
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if (inputSampleL > 0.999) inputSampleL = 0.999;
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if (inputSampleL < -0.999) inputSampleL = -0.999;
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if (inputSampleR > 0.999) inputSampleR = 0.999;
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if (inputSampleR < -0.999) inputSampleR = -0.999;
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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 Podcast::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 overallscale = 1.0;
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overallscale /= 44100.0;
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overallscale *= getSampleRate();
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double compress = 1.0 + pow(A,2);
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double wet = B;
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double speed1 = 64.0 / pow(compress,2);
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speed1 *= overallscale;
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double speed2 = speed1 * 1.4;
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double speed3 = speed2 * 1.5;
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double speed4 = speed3 * 1.6;
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double speed5 = speed4 * 1.7;
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double trigger;
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while (--sampleFrames >= 0)
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{
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double inputSampleL = *in1;
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double 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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double drySampleL = inputSampleL;
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double drySampleR = inputSampleR;
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inputSampleL *= c1L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c1L += trigger/speed5;
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if (c1L > compress) c1L = compress;
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//compress stage
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inputSampleR *= c1R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c1R += trigger/speed5;
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if (c1R > compress) c1R = compress;
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//compress stage
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inputSampleL *= c2L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c2L += trigger/speed4;
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if (c2L > compress) c2L = compress;
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//compress stage
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inputSampleR *= c2R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c2R += trigger/speed4;
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if (c2R > compress) c2R = compress;
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//compress stage
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inputSampleL *= c3L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c3L += trigger/speed3;
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if (c3L > compress) c3L = compress;
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//compress stage
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inputSampleR *= c3R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c3R += trigger/speed3;
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if (c3R > compress) c3R = compress;
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//compress stage
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inputSampleL *= c4L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c4L += trigger/speed2;
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if (c4L > compress) c4L = compress;
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//compress stage
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inputSampleR *= c4R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c4R += trigger/speed2;
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if (c4R > compress) c4R = compress;
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//compress stage
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inputSampleL *= c5L;
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trigger = fabs(inputSampleL)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c5L += trigger/speed1;
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if (c5L > compress) c5L = compress;
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//compress stage
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inputSampleR *= c5R;
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trigger = fabs(inputSampleR)*4.7;
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if (trigger > 4.7) trigger = 4.7;
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trigger = sin(trigger);
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if (trigger < 0) trigger *= 8.0;
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if (trigger < -4.2) trigger = -4.2;
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c5R += trigger/speed1;
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if (c5R > compress) c5R = compress;
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//compress stage
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if (compress > 1.0) {
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inputSampleL /= compress;
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inputSampleR /= compress;
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}
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if (wet !=1.0) {
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inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet));
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inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet));
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}
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if (inputSampleL > 0.999) inputSampleL = 0.999;
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if (inputSampleL < -0.999) inputSampleL = -0.999;
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if (inputSampleR > 0.999) inputSampleR = 0.999;
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if (inputSampleR < -0.999) inputSampleR = -0.999;
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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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}
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