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Diffstat (limited to 'plugins/WinVST/Podcast/PodcastProc.cpp')
| -rwxr-xr-x | plugins/WinVST/Podcast/PodcastProc.cpp | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/plugins/WinVST/Podcast/PodcastProc.cpp b/plugins/WinVST/Podcast/PodcastProc.cpp new file mode 100755 index 0000000..e8fd994 --- /dev/null +++ b/plugins/WinVST/Podcast/PodcastProc.cpp @@ -0,0 +1,326 @@ +/* ======================================== + * Podcast - Podcast.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Podcast_H +#include "Podcast.h" +#endif + +void Podcast::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + + double compress = 1.0 + pow(A,2); + double wet = B; + double speed1 = 64.0 / pow(compress,2); + speed1 *= overallscale; + double speed2 = speed1 * 1.4; + double speed3 = speed2 * 1.5; + double speed4 = speed3 * 1.6; + double speed5 = speed4 * 1.7; + double trigger; + + 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; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL *= c1L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c1L += trigger/speed5; + if (c1L > compress) c1L = compress; + //compress stage + inputSampleR *= c1R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c1R += trigger/speed5; + if (c1R > compress) c1R = compress; + //compress stage + + inputSampleL *= c2L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c2L += trigger/speed4; + if (c2L > compress) c2L = compress; + //compress stage + inputSampleR *= c2R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c2R += trigger/speed4; + if (c2R > compress) c2R = compress; + //compress stage + + inputSampleL *= c3L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c3L += trigger/speed3; + if (c3L > compress) c3L = compress; + //compress stage + inputSampleR *= c3R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c3R += trigger/speed3; + if (c3R > compress) c3R = compress; + //compress stage + + inputSampleL *= c4L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c4L += trigger/speed2; + if (c4L > compress) c4L = compress; + //compress stage + inputSampleR *= c4R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c4R += trigger/speed2; + if (c4R > compress) c4R = compress; + //compress stage + + inputSampleL *= c5L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c5L += trigger/speed1; + if (c5L > compress) c5L = compress; + //compress stage + inputSampleR *= c5R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c5R += trigger/speed1; + if (c5R > compress) c5R = compress; + //compress stage + + if (compress > 1.0) { + inputSampleL /= compress; + inputSampleR /= compress; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet)); + } + + if (inputSampleL > 0.999) inputSampleL = 0.999; + if (inputSampleL < -0.999) inputSampleL = -0.999; + if (inputSampleR > 0.999) inputSampleR = 0.999; + if (inputSampleR < -0.999) inputSampleR = -0.999; + + //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 Podcast::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + + double compress = 1.0 + pow(A,2); + double wet = B; + double speed1 = 64.0 / pow(compress,2); + speed1 *= overallscale; + double speed2 = speed1 * 1.4; + double speed3 = speed2 * 1.5; + double speed4 = speed3 * 1.6; + double speed5 = speed4 * 1.7; + double trigger; + + 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; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL *= c1L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c1L += trigger/speed5; + if (c1L > compress) c1L = compress; + //compress stage + inputSampleR *= c1R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c1R += trigger/speed5; + if (c1R > compress) c1R = compress; + //compress stage + + inputSampleL *= c2L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c2L += trigger/speed4; + if (c2L > compress) c2L = compress; + //compress stage + inputSampleR *= c2R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c2R += trigger/speed4; + if (c2R > compress) c2R = compress; + //compress stage + + inputSampleL *= c3L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c3L += trigger/speed3; + if (c3L > compress) c3L = compress; + //compress stage + inputSampleR *= c3R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c3R += trigger/speed3; + if (c3R > compress) c3R = compress; + //compress stage + + inputSampleL *= c4L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c4L += trigger/speed2; + if (c4L > compress) c4L = compress; + //compress stage + inputSampleR *= c4R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c4R += trigger/speed2; + if (c4R > compress) c4R = compress; + //compress stage + + inputSampleL *= c5L; + trigger = fabs(inputSampleL)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c5L += trigger/speed1; + if (c5L > compress) c5L = compress; + //compress stage + inputSampleR *= c5R; + trigger = fabs(inputSampleR)*4.7; + if (trigger > 4.7) trigger = 4.7; + trigger = sin(trigger); + if (trigger < 0) trigger *= 8.0; + if (trigger < -4.2) trigger = -4.2; + c5R += trigger/speed1; + if (c5R > compress) c5R = compress; + //compress stage + + if (compress > 1.0) { + inputSampleL /= compress; + inputSampleR /= compress; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-wet)); + } + + if (inputSampleL > 0.999) inputSampleL = 0.999; + if (inputSampleL < -0.999) inputSampleL = -0.999; + if (inputSampleR > 0.999) inputSampleR = 0.999; + if (inputSampleR < -0.999) inputSampleR = -0.999; + + //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++; + } +} |