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/* ========================================
* Srsly - Srsly.h
* Copyright (c) 2016 airwindows, All rights reserved
* ======================================== */
#ifndef __Srsly_H
#include "Srsly.h"
#endif
void Srsly::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
double sampleRate = getSampleRate();
if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range
long double tempSample;
biquadM2[0] = 2000 / sampleRate; //up
biquadM7[0] = 7000 / sampleRate; //down
biquadM10[0] = 10000 / sampleRate; //down
biquadL3[0] = 3000 / sampleRate; //up
biquadL7[0] = 7000 / sampleRate; //way up
biquadR3[0] = 3000 / sampleRate; //up
biquadR7[0] = 7000 / sampleRate; //way up
biquadS3[0] = 3000 / sampleRate; //up
biquadS5[0] = 5000 / sampleRate; //way down
double focusM = 15.0-(A*10.0);
double focusS = 21.0-(B*15.0);
double Q = D+0.25; //add Q control: from half to double intensity
biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader
biquadM7[1] = focusM*Q; //Q
biquadM10[1] = focusM*Q; //Q
biquadS3[1] = focusM*Q; //Q
biquadS5[1] = focusM*Q; //Q
biquadL3[1] = focusS*Q; //Q
biquadL7[1] = focusS*Q; //Q
biquadR3[1] = focusS*Q; //Q
biquadR7[1] = focusS*Q; //Q
double K = tan(M_PI * biquadM2[0]);
double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K);
biquadM2[2] = K / biquadM2[1] * norm;
biquadM2[4] = -biquadM2[2];
biquadM2[5] = 2.0 * (K * K - 1.0) * norm;
biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm;
K = tan(M_PI * biquadM7[0]);
norm = 1.0 / (1.0 + K / biquadM7[1] + K * K);
biquadM7[2] = K / biquadM7[1] * norm;
biquadM7[4] = -biquadM7[2];
biquadM7[5] = 2.0 * (K * K - 1.0) * norm;
biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm;
K = tan(M_PI * biquadM10[0]);
norm = 1.0 / (1.0 + K / biquadM10[1] + K * K);
biquadM10[2] = K / biquadM10[1] * norm;
biquadM10[4] = -biquadM10[2];
biquadM10[5] = 2.0 * (K * K - 1.0) * norm;
biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm;
K = tan(M_PI * biquadL3[0]);
norm = 1.0 / (1.0 + K / biquadL3[1] + K * K);
biquadL3[2] = K / biquadL3[1] * norm;
biquadL3[4] = -biquadL3[2];
biquadL3[5] = 2.0 * (K * K - 1.0) * norm;
biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm;
K = tan(M_PI * biquadL7[0]);
norm = 1.0 / (1.0 + K / biquadL7[1] + K * K);
biquadL7[2] = K / biquadL7[1] * norm;
biquadL7[4] = -biquadL7[2];
biquadL7[5] = 2.0 * (K * K - 1.0) * norm;
biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm;
K = tan(M_PI * biquadR3[0]);
norm = 1.0 / (1.0 + K / biquadR3[1] + K * K);
biquadR3[2] = K / biquadR3[1] * norm;
biquadR3[4] = -biquadR3[2];
biquadR3[5] = 2.0 * (K * K - 1.0) * norm;
biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm;
K = tan(M_PI * biquadR7[0]);
norm = 1.0 / (1.0 + K / biquadR7[1] + K * K);
biquadR7[2] = K / biquadR7[1] * norm;
biquadR7[4] = -biquadR7[2];
biquadR7[5] = 2.0 * (K * K - 1.0) * norm;
biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm;
K = tan(M_PI * biquadS3[0]);
norm = 1.0 / (1.0 + K / biquadS3[1] + K * K);
biquadS3[2] = K / biquadS3[1] * norm;
biquadS3[4] = -biquadS3[2];
biquadS3[5] = 2.0 * (K * K - 1.0) * norm;
biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm;
K = tan(M_PI * biquadS5[0]);
norm = 1.0 / (1.0 + K / biquadS5[1] + K * K);
biquadS5[2] = K / biquadS5[1] * norm;
biquadS5[4] = -biquadS5[2];
biquadS5[5] = 2.0 * (K * K - 1.0) * norm;
biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm;
double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff
double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff
double level = C; //output pad
double wet = E; //dry/wet
//biquad contains these values:
//[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
//[1] is resonance, 0.7071 is Butterworth. Also can't be zero
//[2] is a0 but you need distinct ones for additional biquad instances so it's here
//[3] is a1 but you need distinct ones for additional biquad instances so it's here
//[4] is a2 but you need distinct ones for additional biquad instances so it's here
//[5] is b1 but you need distinct ones for additional biquad instances so it's here
//[6] is b2 but you need distinct ones for additional biquad instances so it's here
//[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample)
//[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that)
//[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample)
//[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that)
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 = sin(inputSampleL);
inputSampleR = sin(inputSampleR);
//encode Console5: good cleanness
long double mid = inputSampleL + inputSampleR;
long double rawmid = mid * 0.5; //we'll use this to isolate L&R a little
long double side = inputSampleL - inputSampleR;
long double boostside = side * depthS;
//assign mid and side.Between these sections, you can do mid/side processing
tempSample = (mid * biquadM2[2]) + biquadM2[7];
biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8];
biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]);
long double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel
tempSample = (mid * biquadM7[2]) + biquadM7[7];
biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8];
biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]);
long double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
tempSample = (mid * biquadM10[2]) + biquadM10[7];
biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8];
biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]);
long double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
//mid
tempSample = (side * biquadS3[2]) + biquadS3[7];
biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8];
biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]);
long double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel
tempSample = (side * biquadS5[2]) + biquadS5[7];
biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8];
biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]);
long double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel
mid = (M2Sample + M7Sample + M10Sample)*depthM;
side = (S3Sample + S5Sample + boostside)*depthS;
long double msOutSampleL = (mid+side)/2.0;
long double msOutSampleR = (mid-side)/2.0;
//unassign mid and side
long double isoSampleL = inputSampleL-rawmid;
long double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little
tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7];
biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8];
biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]);
long double L3Sample = tempSample; //like mono AU, 7 and 8 store L channel
tempSample = (isoSampleR * biquadR3[2]) + biquadR3[9];
biquadR3[9] = (-tempSample * biquadR3[5]) + biquadR3[10];
biquadR3[10] = (isoSampleR * biquadR3[4]) - (tempSample * biquadR3[6]);
long double R3Sample = tempSample; //note: 9 and 10 store the R channel
tempSample = (isoSampleL * biquadL7[2]) + biquadL7[7];
biquadL7[7] = (-tempSample * biquadL7[5]) + biquadL7[8];
biquadL7[8] = (isoSampleL * biquadL7[4]) - (tempSample * biquadL7[6]);
long double L7Sample = tempSample*3.0; //like mono AU, 7 and 8 store L channel
tempSample = (isoSampleR * biquadR7[2]) + biquadR7[9];
biquadR7[9] = (-tempSample * biquadR7[5]) + biquadR7[10];
biquadR7[10] = (isoSampleR * biquadR7[4]) - (tempSample * biquadR7[6]);
long double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel
long double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS);
long double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS);
//done with making filters, now we apply them
inputSampleL += processingL;
inputSampleR += processingR;
if (level < 1.0) {
inputSampleL *= level;
inputSampleR *= level;
}
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
if (wet < 1.0) {
inputSampleL = (inputSampleL * wet)+(drySampleL * (1.0-wet));
inputSampleR = (inputSampleR * wet)+(drySampleR * (1.0-wet));
}
//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 Srsly::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double sampleRate = getSampleRate();
if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range
long double tempSample;
biquadM2[0] = 2000 / sampleRate; //up
biquadM7[0] = 7000 / sampleRate; //down
biquadM10[0] = 10000 / sampleRate; //down
biquadL3[0] = 3000 / sampleRate; //up
biquadL7[0] = 7000 / sampleRate; //way up
biquadR3[0] = 3000 / sampleRate; //up
biquadR7[0] = 7000 / sampleRate; //way up
biquadS3[0] = 3000 / sampleRate; //up
biquadS5[0] = 5000 / sampleRate; //way down
double focusM = 15.0-(A*10.0);
double focusS = 21.0-(B*15.0);
double Q = D+0.25; //add Q control: from half to double intensity
biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader
biquadM7[1] = focusM*Q; //Q
biquadM10[1] = focusM*Q; //Q
biquadS3[1] = focusM*Q; //Q
biquadS5[1] = focusM*Q; //Q
biquadL3[1] = focusS*Q; //Q
biquadL7[1] = focusS*Q; //Q
biquadR3[1] = focusS*Q; //Q
biquadR7[1] = focusS*Q; //Q
double K = tan(M_PI * biquadM2[0]);
double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K);
biquadM2[2] = K / biquadM2[1] * norm;
biquadM2[4] = -biquadM2[2];
biquadM2[5] = 2.0 * (K * K - 1.0) * norm;
biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm;
K = tan(M_PI * biquadM7[0]);
norm = 1.0 / (1.0 + K / biquadM7[1] + K * K);
biquadM7[2] = K / biquadM7[1] * norm;
biquadM7[4] = -biquadM7[2];
biquadM7[5] = 2.0 * (K * K - 1.0) * norm;
biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm;
K = tan(M_PI * biquadM10[0]);
norm = 1.0 / (1.0 + K / biquadM10[1] + K * K);
biquadM10[2] = K / biquadM10[1] * norm;
biquadM10[4] = -biquadM10[2];
biquadM10[5] = 2.0 * (K * K - 1.0) * norm;
biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm;
K = tan(M_PI * biquadL3[0]);
norm = 1.0 / (1.0 + K / biquadL3[1] + K * K);
biquadL3[2] = K / biquadL3[1] * norm;
biquadL3[4] = -biquadL3[2];
biquadL3[5] = 2.0 * (K * K - 1.0) * norm;
biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm;
K = tan(M_PI * biquadL7[0]);
norm = 1.0 / (1.0 + K / biquadL7[1] + K * K);
biquadL7[2] = K / biquadL7[1] * norm;
biquadL7[4] = -biquadL7[2];
biquadL7[5] = 2.0 * (K * K - 1.0) * norm;
biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm;
K = tan(M_PI * biquadR3[0]);
norm = 1.0 / (1.0 + K / biquadR3[1] + K * K);
biquadR3[2] = K / biquadR3[1] * norm;
biquadR3[4] = -biquadR3[2];
biquadR3[5] = 2.0 * (K * K - 1.0) * norm;
biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm;
K = tan(M_PI * biquadR7[0]);
norm = 1.0 / (1.0 + K / biquadR7[1] + K * K);
biquadR7[2] = K / biquadR7[1] * norm;
biquadR7[4] = -biquadR7[2];
biquadR7[5] = 2.0 * (K * K - 1.0) * norm;
biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm;
K = tan(M_PI * biquadS3[0]);
norm = 1.0 / (1.0 + K / biquadS3[1] + K * K);
biquadS3[2] = K / biquadS3[1] * norm;
biquadS3[4] = -biquadS3[2];
biquadS3[5] = 2.0 * (K * K - 1.0) * norm;
biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm;
K = tan(M_PI * biquadS5[0]);
norm = 1.0 / (1.0 + K / biquadS5[1] + K * K);
biquadS5[2] = K / biquadS5[1] * norm;
biquadS5[4] = -biquadS5[2];
biquadS5[5] = 2.0 * (K * K - 1.0) * norm;
biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm;
double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff
double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff
double level = C; //output pad
double wet = E; //dry/wet
//biquad contains these values:
//[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
//[1] is resonance, 0.7071 is Butterworth. Also can't be zero
//[2] is a0 but you need distinct ones for additional biquad instances so it's here
//[3] is a1 but you need distinct ones for additional biquad instances so it's here
//[4] is a2 but you need distinct ones for additional biquad instances so it's here
//[5] is b1 but you need distinct ones for additional biquad instances so it's here
//[6] is b2 but you need distinct ones for additional biquad instances so it's here
//[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample)
//[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that)
//[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample)
//[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that)
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 = sin(inputSampleL);
inputSampleR = sin(inputSampleR);
//encode Console5: good cleanness
long double mid = inputSampleL + inputSampleR;
long double rawmid = mid * 0.5; //we'll use this to isolate L&R a little
long double side = inputSampleL - inputSampleR;
long double boostside = side * depthS;
//assign mid and side.Between these sections, you can do mid/side processing
tempSample = (mid * biquadM2[2]) + biquadM2[7];
biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8];
biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]);
long double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel
tempSample = (mid * biquadM7[2]) + biquadM7[7];
biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8];
biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]);
long double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
tempSample = (mid * biquadM10[2]) + biquadM10[7];
biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8];
biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]);
long double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
//mid
tempSample = (side * biquadS3[2]) + biquadS3[7];
biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8];
biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]);
long double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel
tempSample = (side * biquadS5[2]) + biquadS5[7];
biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8];
biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]);
long double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel
mid = (M2Sample + M7Sample + M10Sample)*depthM;
side = (S3Sample + S5Sample + boostside)*depthS;
long double msOutSampleL = (mid+side)/2.0;
long double msOutSampleR = (mid-side)/2.0;
//unassign mid and side
long double isoSampleL = inputSampleL-rawmid;
long double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little
tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7];
biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8];
biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]);
long double L3Sample = tempSample; //like mono AU, 7 and 8 store L channel
tempSample = (isoSampleR * biquadR3[2]) + biquadR3[9];
biquadR3[9] = (-tempSample * biquadR3[5]) + biquadR3[10];
biquadR3[10] = (isoSampleR * biquadR3[4]) - (tempSample * biquadR3[6]);
long double R3Sample = tempSample; //note: 9 and 10 store the R channel
tempSample = (isoSampleL * biquadL7[2]) + biquadL7[7];
biquadL7[7] = (-tempSample * biquadL7[5]) + biquadL7[8];
biquadL7[8] = (isoSampleL * biquadL7[4]) - (tempSample * biquadL7[6]);
long double L7Sample = tempSample*3.0; //like mono AU, 7 and 8 store L channel
tempSample = (isoSampleR * biquadR7[2]) + biquadR7[9];
biquadR7[9] = (-tempSample * biquadR7[5]) + biquadR7[10];
biquadR7[10] = (isoSampleR * biquadR7[4]) - (tempSample * biquadR7[6]);
long double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel
long double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS);
long double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS);
//done with making filters, now we apply them
inputSampleL += processingL;
inputSampleR += processingR;
if (level < 1.0) {
inputSampleL *= level;
inputSampleR *= level;
}
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
if (wet < 1.0) {
inputSampleL = (inputSampleL * wet)+(drySampleL * (1.0-wet));
inputSampleR = (inputSampleR * wet)+(drySampleR * (1.0-wet));
}
//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++;
}
}
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