/* ======================================== * PeaksOnly - PeaksOnly.h * Copyright (c) 2016 airwindows, All rights reserved * ======================================== */ #ifndef __PeaksOnly_H #include "PeaksOnly.h" #endif void PeaksOnly::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(); int am = (int)149.0 * overallscale; int bm = (int)179.0 * overallscale; int cm = (int)191.0 * overallscale; int dm = (int)223.0 * overallscale; //these are 'good' primes, spacing out the allpasses int allpasstemp = 0; 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; if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = ax - 1; if (allpasstemp < 0 || allpasstemp > am) allpasstemp = am; inputSampleL -= aL[allpasstemp]*0.5; inputSampleR -= aR[allpasstemp]*0.5; aL[ax] = inputSampleL; aR[ax] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; ax--; if (ax < 0 || ax > am) {ax = am;} inputSampleL += (aL[ax]); inputSampleR += (aR[ax]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = bx - 1; if (allpasstemp < 0 || allpasstemp > bm) allpasstemp = bm; inputSampleL -= bL[allpasstemp]*0.5; inputSampleR -= bR[allpasstemp]*0.5; bL[bx] = inputSampleL; bR[bx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; bx--; if (bx < 0 || bx > bm) {bx = bm;} inputSampleL += (bL[bx]); inputSampleR += (bR[bx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = cx - 1; if (allpasstemp < 0 || allpasstemp > cm) allpasstemp = cm; inputSampleL -= cL[allpasstemp]*0.5; inputSampleR -= cR[allpasstemp]*0.5; cL[cx] = inputSampleL; cR[cx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; cx--; if (cx < 0 || cx > cm) {cx = cm;} inputSampleL += (cL[cx]); inputSampleR += (cR[cx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = dx - 1; if (allpasstemp < 0 || allpasstemp > dm) allpasstemp = dm; inputSampleL -= dL[allpasstemp]*0.5; inputSampleR -= dR[allpasstemp]*0.5; dL[dx] = inputSampleL; dR[dx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; dx--; if (dx < 0 || dx > dm) {dx = dm;} inputSampleL += (dL[dx]); inputSampleR += (dR[dx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect inputSampleL *= 0.63679; //scale it to 0dB output at full blast inputSampleR *= 0.63679; //scale it to 0dB output at full blast //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 PeaksOnly::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(); int am = (int)149.0 * overallscale; int bm = (int)179.0 * overallscale; int cm = (int)191.0 * overallscale; int dm = (int)223.0 * overallscale; //these are 'good' primes, spacing out the allpasses int allpasstemp = 0; 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; if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = ax - 1; if (allpasstemp < 0 || allpasstemp > am) allpasstemp = am; inputSampleL -= aL[allpasstemp]*0.5; inputSampleR -= aR[allpasstemp]*0.5; aL[ax] = inputSampleL; aR[ax] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; ax--; if (ax < 0 || ax > am) {ax = am;} inputSampleL += (aL[ax]); inputSampleR += (aR[ax]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = bx - 1; if (allpasstemp < 0 || allpasstemp > bm) allpasstemp = bm; inputSampleL -= bL[allpasstemp]*0.5; inputSampleR -= bR[allpasstemp]*0.5; bL[bx] = inputSampleL; bR[bx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; bx--; if (bx < 0 || bx > bm) {bx = bm;} inputSampleL += (bL[bx]); inputSampleR += (bR[bx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = cx - 1; if (allpasstemp < 0 || allpasstemp > cm) allpasstemp = cm; inputSampleL -= cL[allpasstemp]*0.5; inputSampleR -= cR[allpasstemp]*0.5; cL[cx] = inputSampleL; cR[cx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; cx--; if (cx < 0 || cx > cm) {cx = cm;} inputSampleL += (cL[cx]); inputSampleR += (cR[cx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect allpasstemp = dx - 1; if (allpasstemp < 0 || allpasstemp > dm) allpasstemp = dm; inputSampleL -= dL[allpasstemp]*0.5; inputSampleR -= dR[allpasstemp]*0.5; dL[dx] = inputSampleL; dR[dx] = inputSampleR; inputSampleL *= 0.5; inputSampleR *= 0.5; dx--; if (dx < 0 || dx > dm) {dx = dm;} inputSampleL += (dL[dx]); inputSampleR += (dR[dx]); //a single Midiverb-style allpass if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; //without this, you can get a NaN condition where it spits out DC offset at full blast! inputSampleL = asin(inputSampleL); inputSampleR = asin(inputSampleR); //amplitude aspect inputSampleL *= 0.63679; //scale it to 0dB output at full blast inputSampleR *= 0.63679; //scale it to 0dB output at full blast //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++; } }