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522 lines
20 KiB
C++
Executable file
522 lines
20 KiB
C++
Executable file
/* ========================================
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* Srsly2 - Srsly2.h
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* Copyright (c) 2016 airwindows, Airwindows uses the MIT license
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* ======================================== */
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#ifndef __Srsly2_H
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#include "Srsly2.h"
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#endif
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void Srsly2::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 sampleRate = getSampleRate();
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if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range
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double tempSample;
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biquadM2[0] = 2000 / sampleRate; //up
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biquadM7[0] = 7000 / sampleRate; //down
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biquadM10[0] = 10000 / sampleRate; //down
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biquadL3[0] = 3000 / sampleRate; //up
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biquadL7[0] = 7000 / sampleRate; //way up
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biquadR3[0] = 3000 / sampleRate; //up
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biquadR7[0] = 7000 / sampleRate; //way up
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biquadS3[0] = 3000 / sampleRate; //up
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biquadS5[0] = 5000 / sampleRate; //way down
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double focusM = 15.0-(A*10.0);
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double focusS = 21.0-(B*15.0);
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double Q = D+0.25; //add Q control: from half to double intensity
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double gainM = A*2.0;
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double gainS = B*2.0;
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if (gainS > 1.0) gainM /= gainS;
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if (gainM > 1.0) gainM = 1.0;
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biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader
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biquadM7[1] = focusM*Q; //Q
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biquadM10[1] = focusM*Q; //Q
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biquadS3[1] = focusM*Q; //Q
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biquadS5[1] = focusM*Q; //Q
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biquadL3[1] = focusS*Q; //Q
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biquadL7[1] = focusS*Q; //Q
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biquadR3[1] = focusS*Q; //Q
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biquadR7[1] = focusS*Q; //Q
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double K = tan(M_PI * biquadM2[0]);
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double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K);
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biquadM2[2] = K / biquadM2[1] * norm;
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biquadM2[4] = -biquadM2[2];
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biquadM2[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm;
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K = tan(M_PI * biquadM7[0]);
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norm = 1.0 / (1.0 + K / biquadM7[1] + K * K);
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biquadM7[2] = K / biquadM7[1] * norm;
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biquadM7[4] = -biquadM7[2];
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biquadM7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm;
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K = tan(M_PI * biquadM10[0]);
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norm = 1.0 / (1.0 + K / biquadM10[1] + K * K);
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biquadM10[2] = K / biquadM10[1] * norm;
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biquadM10[4] = -biquadM10[2];
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biquadM10[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm;
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K = tan(M_PI * biquadL3[0]);
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norm = 1.0 / (1.0 + K / biquadL3[1] + K * K);
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biquadL3[2] = K / biquadL3[1] * norm;
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biquadL3[4] = -biquadL3[2];
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biquadL3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm;
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K = tan(M_PI * biquadL7[0]);
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norm = 1.0 / (1.0 + K / biquadL7[1] + K * K);
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biquadL7[2] = K / biquadL7[1] * norm;
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biquadL7[4] = -biquadL7[2];
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biquadL7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm;
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K = tan(M_PI * biquadR3[0]);
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norm = 1.0 / (1.0 + K / biquadR3[1] + K * K);
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biquadR3[2] = K / biquadR3[1] * norm;
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biquadR3[4] = -biquadR3[2];
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biquadR3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm;
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K = tan(M_PI * biquadR7[0]);
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norm = 1.0 / (1.0 + K / biquadR7[1] + K * K);
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biquadR7[2] = K / biquadR7[1] * norm;
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biquadR7[4] = -biquadR7[2];
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biquadR7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm;
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K = tan(M_PI * biquadS3[0]);
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norm = 1.0 / (1.0 + K / biquadS3[1] + K * K);
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biquadS3[2] = K / biquadS3[1] * norm;
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biquadS3[4] = -biquadS3[2];
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biquadS3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm;
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K = tan(M_PI * biquadS5[0]);
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norm = 1.0 / (1.0 + K / biquadS5[1] + K * K);
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biquadS5[2] = K / biquadS5[1] * norm;
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biquadS5[4] = -biquadS5[2];
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biquadS5[5] = 2.0 * (K * K - 1.0) * norm;
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biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm;
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double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff
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double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff
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double level = C; //output pad
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double wet = E; //dry/wet
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//biquad contains these values:
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//[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
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//[1] is resonance, 0.7071 is Butterworth. Also can't be zero
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//[2] is a0 but you need distinct ones for additional biquad instances so it's here
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//[3] is a1 but you need distinct ones for additional biquad instances so it's here
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//[4] is a2 but you need distinct ones for additional biquad instances so it's here
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//[5] is b1 but you need distinct ones for additional biquad instances so it's here
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//[6] is b2 but you need distinct ones for additional biquad instances so it's here
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//[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample)
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//[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that)
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//[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample)
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//[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that)
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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 = sin(inputSampleL);
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inputSampleR = sin(inputSampleR);
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//encode Console5: good cleanness
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double mid = inputSampleL + inputSampleR;
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double rawmid = mid * 0.5; //we'll use this to isolate L&R a little
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double side = inputSampleL - inputSampleR;
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double boostside = side * depthS;
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//assign mid and side.Between these sections, you can do mid/side processing
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tempSample = (mid * biquadM2[2]) + biquadM2[7];
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biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8];
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biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]);
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double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel
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tempSample = (mid * biquadM7[2]) + biquadM7[7];
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biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8];
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biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]);
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double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
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tempSample = (mid * biquadM10[2]) + biquadM10[7];
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biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8];
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biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]);
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double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
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//mid
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tempSample = (side * biquadS3[2]) + biquadS3[7];
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biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8];
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biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]);
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double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel
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tempSample = (side * biquadS5[2]) + biquadS5[7];
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biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8];
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biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]);
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double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel
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mid = (M2Sample + M7Sample + M10Sample)*depthM;
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side = (S3Sample + S5Sample + boostside)*depthS;
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double msOutSampleL = (mid+side)/2.0;
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double msOutSampleR = (mid-side)/2.0;
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//unassign mid and side
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double isoSampleL = inputSampleL-rawmid;
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double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little
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tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7];
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biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8];
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biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]);
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double L3Sample = tempSample; //like mono AU, 7 and 8 store L channel
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tempSample = (isoSampleR * biquadR3[2]) + biquadR3[9];
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biquadR3[9] = (-tempSample * biquadR3[5]) + biquadR3[10];
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biquadR3[10] = (isoSampleR * biquadR3[4]) - (tempSample * biquadR3[6]);
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double R3Sample = tempSample; //note: 9 and 10 store the R channel
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tempSample = (isoSampleL * biquadL7[2]) + biquadL7[7];
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biquadL7[7] = (-tempSample * biquadL7[5]) + biquadL7[8];
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biquadL7[8] = (isoSampleL * biquadL7[4]) - (tempSample * biquadL7[6]);
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double L7Sample = tempSample*3.0; //like mono AU, 7 and 8 store L channel
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tempSample = (isoSampleR * biquadR7[2]) + biquadR7[9];
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biquadR7[9] = (-tempSample * biquadR7[5]) + biquadR7[10];
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biquadR7[10] = (isoSampleR * biquadR7[4]) - (tempSample * biquadR7[6]);
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double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel
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double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS);
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double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS);
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//done with making filters, now we apply them
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mid = inputSampleL + inputSampleR;
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side = inputSampleL - inputSampleR;
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//re-assign mid and side.Between these sections, you can do mid/side processing
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mid *= gainM;
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side *= gainS;
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//we crank things up more than a bit, or cut them in line with how the hardware box works
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if (side > 1.57079633) side = 1.57079633;
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if (side < -1.57079633) side = -1.57079633;
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side = sin(side);
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side *= gainS;
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inputSampleL = ((mid+side)/2.0)+processingL;
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inputSampleR = ((mid-side)/2.0)+processingR;
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//unassign mid and side
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if (level < 1.0) {
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inputSampleL *= level;
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inputSampleR *= level;
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}
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if (inputSampleL > 1.0) inputSampleL = 1.0;
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if (inputSampleL < -1.0) inputSampleL = -1.0;
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if (inputSampleR > 1.0) inputSampleR = 1.0;
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if (inputSampleR < -1.0) inputSampleR = -1.0;
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//without this, you can get a NaN condition where it spits out DC offset at full blast!
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inputSampleL = asin(inputSampleL);
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inputSampleR = asin(inputSampleR);
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//amplitude aspect
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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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//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 Srsly2::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 sampleRate = getSampleRate();
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if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range
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double tempSample;
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biquadM2[0] = 2000 / sampleRate; //up
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biquadM7[0] = 7000 / sampleRate; //down
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biquadM10[0] = 10000 / sampleRate; //down
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biquadL3[0] = 3000 / sampleRate; //up
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biquadL7[0] = 7000 / sampleRate; //way up
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biquadR3[0] = 3000 / sampleRate; //up
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biquadR7[0] = 7000 / sampleRate; //way up
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biquadS3[0] = 3000 / sampleRate; //up
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biquadS5[0] = 5000 / sampleRate; //way down
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double focusM = 15.0-(A*10.0);
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double focusS = 21.0-(B*15.0);
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double Q = D+0.25; //add Q control: from half to double intensity
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double gainM = A*2.0;
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double gainS = B*2.0;
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if (gainS > 1.0) gainM /= gainS;
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if (gainM > 1.0) gainM = 1.0;
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biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader
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biquadM7[1] = focusM*Q; //Q
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biquadM10[1] = focusM*Q; //Q
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biquadS3[1] = focusM*Q; //Q
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biquadS5[1] = focusM*Q; //Q
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biquadL3[1] = focusS*Q; //Q
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biquadL7[1] = focusS*Q; //Q
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biquadR3[1] = focusS*Q; //Q
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biquadR7[1] = focusS*Q; //Q
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double K = tan(M_PI * biquadM2[0]);
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double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K);
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biquadM2[2] = K / biquadM2[1] * norm;
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biquadM2[4] = -biquadM2[2];
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biquadM2[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm;
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K = tan(M_PI * biquadM7[0]);
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norm = 1.0 / (1.0 + K / biquadM7[1] + K * K);
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biquadM7[2] = K / biquadM7[1] * norm;
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biquadM7[4] = -biquadM7[2];
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biquadM7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm;
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K = tan(M_PI * biquadM10[0]);
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norm = 1.0 / (1.0 + K / biquadM10[1] + K * K);
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biquadM10[2] = K / biquadM10[1] * norm;
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biquadM10[4] = -biquadM10[2];
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biquadM10[5] = 2.0 * (K * K - 1.0) * norm;
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biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm;
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K = tan(M_PI * biquadL3[0]);
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norm = 1.0 / (1.0 + K / biquadL3[1] + K * K);
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biquadL3[2] = K / biquadL3[1] * norm;
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biquadL3[4] = -biquadL3[2];
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biquadL3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm;
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K = tan(M_PI * biquadL7[0]);
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norm = 1.0 / (1.0 + K / biquadL7[1] + K * K);
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biquadL7[2] = K / biquadL7[1] * norm;
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biquadL7[4] = -biquadL7[2];
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biquadL7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm;
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K = tan(M_PI * biquadR3[0]);
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norm = 1.0 / (1.0 + K / biquadR3[1] + K * K);
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biquadR3[2] = K / biquadR3[1] * norm;
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biquadR3[4] = -biquadR3[2];
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biquadR3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm;
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K = tan(M_PI * biquadR7[0]);
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norm = 1.0 / (1.0 + K / biquadR7[1] + K * K);
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biquadR7[2] = K / biquadR7[1] * norm;
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biquadR7[4] = -biquadR7[2];
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biquadR7[5] = 2.0 * (K * K - 1.0) * norm;
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biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm;
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K = tan(M_PI * biquadS3[0]);
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norm = 1.0 / (1.0 + K / biquadS3[1] + K * K);
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biquadS3[2] = K / biquadS3[1] * norm;
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biquadS3[4] = -biquadS3[2];
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biquadS3[5] = 2.0 * (K * K - 1.0) * norm;
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biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm;
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K = tan(M_PI * biquadS5[0]);
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norm = 1.0 / (1.0 + K / biquadS5[1] + K * K);
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biquadS5[2] = K / biquadS5[1] * norm;
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biquadS5[4] = -biquadS5[2];
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biquadS5[5] = 2.0 * (K * K - 1.0) * norm;
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biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm;
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double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff
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double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff
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double level = C; //output pad
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double wet = E; //dry/wet
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//biquad contains these values:
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//[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist
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//[1] is resonance, 0.7071 is Butterworth. Also can't be zero
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//[2] is a0 but you need distinct ones for additional biquad instances so it's here
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//[3] is a1 but you need distinct ones for additional biquad instances so it's here
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//[4] is a2 but you need distinct ones for additional biquad instances so it's here
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//[5] is b1 but you need distinct ones for additional biquad instances so it's here
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//[6] is b2 but you need distinct ones for additional biquad instances so it's here
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//[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample)
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//[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that)
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//[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample)
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//[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that)
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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 = sin(inputSampleL);
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inputSampleR = sin(inputSampleR);
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//encode Console5: good cleanness
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double mid = inputSampleL + inputSampleR;
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double rawmid = mid * 0.5; //we'll use this to isolate L&R a little
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double side = inputSampleL - inputSampleR;
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double boostside = side * depthS;
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//assign mid and side.Between these sections, you can do mid/side processing
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tempSample = (mid * biquadM2[2]) + biquadM2[7];
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biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8];
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biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]);
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double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel
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tempSample = (mid * biquadM7[2]) + biquadM7[7];
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biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8];
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biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]);
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double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
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tempSample = (mid * biquadM10[2]) + biquadM10[7];
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biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8];
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biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]);
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double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel
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//mid
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|
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tempSample = (side * biquadS3[2]) + biquadS3[7];
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biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8];
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biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]);
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double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel
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|
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tempSample = (side * biquadS5[2]) + biquadS5[7];
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biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8];
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biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]);
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double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel
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|
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mid = (M2Sample + M7Sample + M10Sample)*depthM;
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|
side = (S3Sample + S5Sample + boostside)*depthS;
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|
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|
double msOutSampleL = (mid+side)/2.0;
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|
double msOutSampleR = (mid-side)/2.0;
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|
//unassign mid and side
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|
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|
double isoSampleL = inputSampleL-rawmid;
|
|
double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little
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|
|
|
tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7];
|
|
biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8];
|
|
biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]);
|
|
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]);
|
|
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]);
|
|
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]);
|
|
double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel
|
|
|
|
double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS);
|
|
double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS);
|
|
//done with making filters, now we apply them
|
|
|
|
mid = inputSampleL + inputSampleR;
|
|
side = inputSampleL - inputSampleR;
|
|
//re-assign mid and side.Between these sections, you can do mid/side processing
|
|
|
|
mid *= gainM;
|
|
side *= gainS;
|
|
//we crank things up more than a bit, or cut them in line with how the hardware box works
|
|
if (side > 1.57079633) side = 1.57079633;
|
|
if (side < -1.57079633) side = -1.57079633;
|
|
side = sin(side);
|
|
side *= gainS;
|
|
|
|
|
|
inputSampleL = ((mid+side)/2.0)+processingL;
|
|
inputSampleR = ((mid-side)/2.0)+processingR;
|
|
//unassign mid and side
|
|
|
|
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);
|
|
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
|
|
//inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62));
|
|
//frexp((double)inputSampleR, &expon);
|
|
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
|
|
//inputSampleR += ((double(fpdR)-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++;
|
|
}
|
|
}
|