/* ========================================
* 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++;
}
}
