/* ======================================== * Isolator3 - Isolator3.h * Copyright (c) airwindows, Airwindows uses the MIT license * ======================================== */ #ifndef __Isolator3_H #include "Isolator3.h" #endif void Isolator3::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) { float* in1 = inputs[0]; float* in2 = inputs[1]; float* out1 = outputs[0]; float* out2 = outputs[1]; VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); int spacing = floor(overallscale); //should give us working basic scaling, usually 2 or 4 if (spacing < 1) spacing = 1; if (spacing > 16) spacing = 16; double f = A; double q = B; double isoFreq = ((f*2.0)*(1.0-q))+(f*q); double hisoFreq = (((f*2.0)-1.0)*(1.0-q))+(f*q); if (isoFreq > 1.0) isoFreq = 1.0; if (hisoFreq < 0.0) hisoFreq = 0.0; biquadA[biq_freq] = pow(isoFreq,(2.0*sqrt(overallscale)))*0.4999; if (biquadA[biq_freq] < 0.00025) biquadA[biq_freq] = 0.00025; biquadG[biq_freq] = biquadF[biq_freq] = biquadE[biq_freq] = biquadD[biq_freq] = biquadC[biq_freq] = biquadB[biq_freq] = biquadA[biq_freq]; hiquadA[biq_freq] = pow(hisoFreq,(2.0*sqrt(overallscale)))*0.4999; if (hiquadA[biq_freq] < 0.00025) hiquadA[biq_freq] = 0.00025; hiquadG[biq_freq] = hiquadF[biq_freq] = hiquadE[biq_freq] = hiquadD[biq_freq] = hiquadC[biq_freq] = hiquadB[biq_freq] = hiquadA[biq_freq]; hiquadA[biq_reso] = biquadA[biq_reso] = 4.46570214; hiquadB[biq_reso] = biquadB[biq_reso] = 1.51387132; hiquadC[biq_reso] = biquadC[biq_reso] = 0.93979296; hiquadD[biq_reso] = biquadD[biq_reso] = 0.70710678; hiquadE[biq_reso] = biquadE[biq_reso] = 0.59051105; hiquadF[biq_reso] = biquadF[biq_reso] = 0.52972649; hiquadG[biq_reso] = biquadG[biq_reso] = 0.50316379; biquadA[biq_aA0] = biquadA[biq_aB0]; biquadA[biq_aA1] = biquadA[biq_aB1]; biquadA[biq_aA2] = biquadA[biq_aB2]; biquadA[biq_bA1] = biquadA[biq_bB1]; biquadA[biq_bA2] = biquadA[biq_bB2]; biquadB[biq_aA0] = biquadB[biq_aB0]; biquadB[biq_aA1] = biquadB[biq_aB1]; biquadB[biq_aA2] = biquadB[biq_aB2]; biquadB[biq_bA1] = biquadB[biq_bB1]; biquadB[biq_bA2] = biquadB[biq_bB2]; biquadC[biq_aA0] = biquadC[biq_aB0]; biquadC[biq_aA1] = biquadC[biq_aB1]; biquadC[biq_aA2] = biquadC[biq_aB2]; biquadC[biq_bA1] = biquadC[biq_bB1]; biquadC[biq_bA2] = biquadC[biq_bB2]; biquadD[biq_aA0] = biquadD[biq_aB0]; biquadD[biq_aA1] = biquadD[biq_aB1]; biquadD[biq_aA2] = biquadD[biq_aB2]; biquadD[biq_bA1] = biquadD[biq_bB1]; biquadD[biq_bA2] = biquadD[biq_bB2]; biquadE[biq_aA0] = biquadE[biq_aB0]; biquadE[biq_aA1] = biquadE[biq_aB1]; biquadE[biq_aA2] = biquadE[biq_aB2]; biquadE[biq_bA1] = biquadE[biq_bB1]; biquadE[biq_bA2] = biquadE[biq_bB2]; biquadF[biq_aA0] = biquadF[biq_aB0]; biquadF[biq_aA1] = biquadF[biq_aB1]; biquadF[biq_aA2] = biquadF[biq_aB2]; biquadF[biq_bA1] = biquadF[biq_bB1]; biquadF[biq_bA2] = biquadF[biq_bB2]; biquadG[biq_aA0] = biquadG[biq_aB0]; biquadG[biq_aA1] = biquadG[biq_aB1]; biquadG[biq_aA2] = biquadG[biq_aB2]; biquadG[biq_bA1] = biquadG[biq_bB1]; biquadG[biq_bA2] = biquadG[biq_bB2]; hiquadA[biq_aA0] = hiquadA[biq_aB0]; hiquadA[biq_aA1] = hiquadA[biq_aB1]; hiquadA[biq_aA2] = hiquadA[biq_aB2]; hiquadA[biq_bA1] = hiquadA[biq_bB1]; hiquadA[biq_bA2] = hiquadA[biq_bB2]; hiquadB[biq_aA0] = hiquadB[biq_aB0]; hiquadB[biq_aA1] = hiquadB[biq_aB1]; hiquadB[biq_aA2] = hiquadB[biq_aB2]; hiquadB[biq_bA1] = hiquadB[biq_bB1]; hiquadB[biq_bA2] = hiquadB[biq_bB2]; hiquadC[biq_aA0] = hiquadC[biq_aB0]; hiquadC[biq_aA1] = hiquadC[biq_aB1]; hiquadC[biq_aA2] = hiquadC[biq_aB2]; hiquadC[biq_bA1] = hiquadC[biq_bB1]; hiquadC[biq_bA2] = hiquadC[biq_bB2]; hiquadD[biq_aA0] = hiquadD[biq_aB0]; hiquadD[biq_aA1] = hiquadD[biq_aB1]; hiquadD[biq_aA2] = hiquadD[biq_aB2]; hiquadD[biq_bA1] = hiquadD[biq_bB1]; hiquadD[biq_bA2] = hiquadD[biq_bB2]; hiquadE[biq_aA0] = hiquadE[biq_aB0]; hiquadE[biq_aA1] = hiquadE[biq_aB1]; hiquadE[biq_aA2] = hiquadE[biq_aB2]; hiquadE[biq_bA1] = hiquadE[biq_bB1]; hiquadE[biq_bA2] = hiquadE[biq_bB2]; hiquadF[biq_aA0] = hiquadF[biq_aB0]; hiquadF[biq_aA1] = hiquadF[biq_aB1]; hiquadF[biq_aA2] = hiquadF[biq_aB2]; hiquadF[biq_bA1] = hiquadF[biq_bB1]; hiquadF[biq_bA2] = hiquadF[biq_bB2]; hiquadG[biq_aA0] = hiquadG[biq_aB0]; hiquadG[biq_aA1] = hiquadG[biq_aB1]; hiquadG[biq_aA2] = hiquadG[biq_aB2]; hiquadG[biq_bA1] = hiquadG[biq_bB1]; hiquadG[biq_bA2] = hiquadG[biq_bB2]; //previous run through the buffer is still in the filter, so we move it //to the A section and now it's the new starting point. double K = tan(M_PI * biquadA[biq_freq]); double norm = 1.0 / (1.0 + K / biquadA[biq_reso] + K * K); biquadA[biq_aB0] = K * K * norm; biquadA[biq_aB1] = 2.0 * biquadA[biq_aB0]; biquadA[biq_aB2] = biquadA[biq_aB0]; biquadA[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadA[biq_bB2] = (1.0 - K / biquadA[biq_reso] + K * K) * norm; K = tan(M_PI * biquadB[biq_freq]); norm = 1.0 / (1.0 + K / biquadB[biq_reso] + K * K); biquadB[biq_aB0] = K * K * norm; biquadB[biq_aB1] = 2.0 * biquadB[biq_aB0]; biquadB[biq_aB2] = biquadB[biq_aB0]; biquadB[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadB[biq_bB2] = (1.0 - K / biquadB[biq_reso] + K * K) * norm; K = tan(M_PI * biquadC[biq_freq]); norm = 1.0 / (1.0 + K / biquadC[biq_reso] + K * K); biquadC[biq_aB0] = K * K * norm; biquadC[biq_aB1] = 2.0 * biquadC[biq_aB0]; biquadC[biq_aB2] = biquadC[biq_aB0]; biquadC[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadC[biq_bB2] = (1.0 - K / biquadC[biq_reso] + K * K) * norm; K = tan(M_PI * biquadD[biq_freq]); norm = 1.0 / (1.0 + K / biquadD[biq_reso] + K * K); biquadD[biq_aB0] = K * K * norm; biquadD[biq_aB1] = 2.0 * biquadD[biq_aB0]; biquadD[biq_aB2] = biquadD[biq_aB0]; biquadD[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadD[biq_bB2] = (1.0 - K / biquadD[biq_reso] + K * K) * norm; K = tan(M_PI * biquadE[biq_freq]); norm = 1.0 / (1.0 + K / biquadE[biq_reso] + K * K); biquadE[biq_aB0] = K * K * norm; biquadE[biq_aB1] = 2.0 * biquadE[biq_aB0]; biquadE[biq_aB2] = biquadE[biq_aB0]; biquadE[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadE[biq_bB2] = (1.0 - K / biquadE[biq_reso] + K * K) * norm; K = tan(M_PI * biquadF[biq_freq]); norm = 1.0 / (1.0 + K / biquadF[biq_reso] + K * K); biquadF[biq_aB0] = K * K * norm; biquadF[biq_aB1] = 2.0 * biquadF[biq_aB0]; biquadF[biq_aB2] = biquadF[biq_aB0]; biquadF[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadF[biq_bB2] = (1.0 - K / biquadF[biq_reso] + K * K) * norm; K = tan(M_PI * biquadG[biq_freq]); norm = 1.0 / (1.0 + K / biquadG[biq_reso] + K * K); biquadG[biq_aB0] = K * K * norm; biquadG[biq_aB1] = 2.0 * biquadG[biq_aB0]; biquadG[biq_aB2] = biquadG[biq_aB0]; biquadG[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadG[biq_bB2] = (1.0 - K / biquadG[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadA[biq_freq]); norm = 1.0 / (1.0 + K / hiquadA[biq_reso] + K * K); hiquadA[biq_aB0] = K * K * norm; hiquadA[biq_aB1] = 2.0 * hiquadA[biq_aB0]; hiquadA[biq_aB2] = hiquadA[biq_aB0]; hiquadA[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadA[biq_bB2] = (1.0 - K / hiquadA[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadB[biq_freq]); norm = 1.0 / (1.0 + K / hiquadB[biq_reso] + K * K); hiquadB[biq_aB0] = K * K * norm; hiquadB[biq_aB1] = 2.0 * hiquadB[biq_aB0]; hiquadB[biq_aB2] = hiquadB[biq_aB0]; hiquadB[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadB[biq_bB2] = (1.0 - K / hiquadB[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadC[biq_freq]); norm = 1.0 / (1.0 + K / hiquadC[biq_reso] + K * K); hiquadC[biq_aB0] = K * K * norm; hiquadC[biq_aB1] = 2.0 * hiquadC[biq_aB0]; hiquadC[biq_aB2] = hiquadC[biq_aB0]; hiquadC[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadC[biq_bB2] = (1.0 - K / hiquadC[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadD[biq_freq]); norm = 1.0 / (1.0 + K / hiquadD[biq_reso] + K * K); hiquadD[biq_aB0] = K * K * norm; hiquadD[biq_aB1] = 2.0 * hiquadD[biq_aB0]; hiquadD[biq_aB2] = hiquadD[biq_aB0]; hiquadD[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadD[biq_bB2] = (1.0 - K / hiquadD[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadE[biq_freq]); norm = 1.0 / (1.0 + K / hiquadE[biq_reso] + K * K); hiquadE[biq_aB0] = K * K * norm; hiquadE[biq_aB1] = 2.0 * hiquadE[biq_aB0]; hiquadE[biq_aB2] = hiquadE[biq_aB0]; hiquadE[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadE[biq_bB2] = (1.0 - K / hiquadE[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadF[biq_freq]); norm = 1.0 / (1.0 + K / hiquadF[biq_reso] + K * K); hiquadF[biq_aB0] = K * K * norm; hiquadF[biq_aB1] = 2.0 * hiquadF[biq_aB0]; hiquadF[biq_aB2] = hiquadF[biq_aB0]; hiquadF[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadF[biq_bB2] = (1.0 - K / hiquadF[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadG[biq_freq]); norm = 1.0 / (1.0 + K / hiquadG[biq_reso] + K * K); hiquadG[biq_aB0] = K * K * norm; hiquadG[biq_aB1] = 2.0 * hiquadG[biq_aB0]; hiquadG[biq_aB2] = hiquadG[biq_aB0]; hiquadG[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadG[biq_bB2] = (1.0 - K / hiquadG[biq_reso] + K * K) * norm; while (--sampleFrames >= 0) { double inputSampleL = *in1; double inputSampleR = *in2; if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17; if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17; double drySampleL = inputSampleL; double drySampleR = inputSampleR; double temp = (double)sampleFrames/inFramesToProcess; hiquadA[biq_a0] = (hiquadA[biq_aA0]*temp)+(hiquadA[biq_aB0]*(1.0-temp)); hiquadA[biq_a1] = (hiquadA[biq_aA1]*temp)+(hiquadA[biq_aB1]*(1.0-temp)); hiquadA[biq_a2] = (hiquadA[biq_aA2]*temp)+(hiquadA[biq_aB2]*(1.0-temp)); hiquadA[biq_b1] = (hiquadA[biq_bA1]*temp)+(hiquadA[biq_bB1]*(1.0-temp)); hiquadA[biq_b2] = (hiquadA[biq_bA2]*temp)+(hiquadA[biq_bB2]*(1.0-temp)); hiquadB[biq_a0] = (hiquadB[biq_aA0]*temp)+(hiquadB[biq_aB0]*(1.0-temp)); hiquadB[biq_a1] = (hiquadB[biq_aA1]*temp)+(hiquadB[biq_aB1]*(1.0-temp)); hiquadB[biq_a2] = (hiquadB[biq_aA2]*temp)+(hiquadB[biq_aB2]*(1.0-temp)); hiquadB[biq_b1] = (hiquadB[biq_bA1]*temp)+(hiquadB[biq_bB1]*(1.0-temp)); hiquadB[biq_b2] = (hiquadB[biq_bA2]*temp)+(hiquadB[biq_bB2]*(1.0-temp)); hiquadC[biq_a0] = (hiquadC[biq_aA0]*temp)+(hiquadC[biq_aB0]*(1.0-temp)); hiquadC[biq_a1] = (hiquadC[biq_aA1]*temp)+(hiquadC[biq_aB1]*(1.0-temp)); hiquadC[biq_a2] = (hiquadC[biq_aA2]*temp)+(hiquadC[biq_aB2]*(1.0-temp)); hiquadC[biq_b1] = (hiquadC[biq_bA1]*temp)+(hiquadC[biq_bB1]*(1.0-temp)); hiquadC[biq_b2] = (hiquadC[biq_bA2]*temp)+(hiquadC[biq_bB2]*(1.0-temp)); hiquadD[biq_a0] = (hiquadD[biq_aA0]*temp)+(hiquadD[biq_aB0]*(1.0-temp)); hiquadD[biq_a1] = (hiquadD[biq_aA1]*temp)+(hiquadD[biq_aB1]*(1.0-temp)); hiquadD[biq_a2] = (hiquadD[biq_aA2]*temp)+(hiquadD[biq_aB2]*(1.0-temp)); hiquadD[biq_b1] = (hiquadD[biq_bA1]*temp)+(hiquadD[biq_bB1]*(1.0-temp)); hiquadD[biq_b2] = (hiquadD[biq_bA2]*temp)+(hiquadD[biq_bB2]*(1.0-temp)); hiquadE[biq_a0] = (hiquadE[biq_aA0]*temp)+(hiquadE[biq_aB0]*(1.0-temp)); hiquadE[biq_a1] = (hiquadE[biq_aA1]*temp)+(hiquadE[biq_aB1]*(1.0-temp)); hiquadE[biq_a2] = (hiquadE[biq_aA2]*temp)+(hiquadE[biq_aB2]*(1.0-temp)); hiquadE[biq_b1] = (hiquadE[biq_bA1]*temp)+(hiquadE[biq_bB1]*(1.0-temp)); hiquadE[biq_b2] = (hiquadE[biq_bA2]*temp)+(hiquadE[biq_bB2]*(1.0-temp)); hiquadF[biq_a0] = (hiquadF[biq_aA0]*temp)+(hiquadF[biq_aB0]*(1.0-temp)); hiquadF[biq_a1] = (hiquadF[biq_aA1]*temp)+(hiquadF[biq_aB1]*(1.0-temp)); hiquadF[biq_a2] = (hiquadF[biq_aA2]*temp)+(hiquadF[biq_aB2]*(1.0-temp)); hiquadF[biq_b1] = (hiquadF[biq_bA1]*temp)+(hiquadF[biq_bB1]*(1.0-temp)); hiquadF[biq_b2] = (hiquadF[biq_bA2]*temp)+(hiquadF[biq_bB2]*(1.0-temp)); hiquadG[biq_a0] = (hiquadG[biq_aA0]*temp)+(hiquadG[biq_aB0]*(1.0-temp)); hiquadG[biq_a1] = (hiquadG[biq_aA1]*temp)+(hiquadG[biq_aB1]*(1.0-temp)); hiquadG[biq_a2] = (hiquadG[biq_aA2]*temp)+(hiquadG[biq_aB2]*(1.0-temp)); hiquadG[biq_b1] = (hiquadG[biq_bA1]*temp)+(hiquadG[biq_bB1]*(1.0-temp)); hiquadG[biq_b2] = (hiquadG[biq_bA2]*temp)+(hiquadG[biq_bB2]*(1.0-temp)); //this is the interpolation code for the hiquad double outSample = (inputSampleL * hiquadA[biq_a0]) + hiquadA[biq_sL1]; hiquadA[biq_sL1] = (inputSampleL * hiquadA[biq_a1]) - (outSample * hiquadA[biq_b1]) + hiquadA[biq_sL2]; hiquadA[biq_sL2] = (inputSampleL * hiquadA[biq_a2]) - (outSample * hiquadA[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadA[biq_a0]) + hiquadA[biq_sR1]; hiquadA[biq_sR1] = (inputSampleR * hiquadA[biq_a1]) - (outSample * hiquadA[biq_b1]) + hiquadA[biq_sR2]; hiquadA[biq_sR2] = (inputSampleR * hiquadA[biq_a2]) - (outSample * hiquadA[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadB[biq_a0]) + hiquadB[biq_sL1]; hiquadB[biq_sL1] = (inputSampleL * hiquadB[biq_a1]) - (outSample * hiquadB[biq_b1]) + hiquadB[biq_sL2]; hiquadB[biq_sL2] = (inputSampleL * hiquadB[biq_a2]) - (outSample * hiquadB[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadB[biq_a0]) + hiquadB[biq_sR1]; hiquadB[biq_sR1] = (inputSampleR * hiquadB[biq_a1]) - (outSample * hiquadB[biq_b1]) + hiquadB[biq_sR2]; hiquadB[biq_sR2] = (inputSampleR * hiquadB[biq_a2]) - (outSample * hiquadB[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadC[biq_a0]) + hiquadC[biq_sL1]; hiquadC[biq_sL1] = (inputSampleL * hiquadC[biq_a1]) - (outSample * hiquadC[biq_b1]) + hiquadC[biq_sL2]; hiquadC[biq_sL2] = (inputSampleL * hiquadC[biq_a2]) - (outSample * hiquadC[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadC[biq_a0]) + hiquadC[biq_sR1]; hiquadC[biq_sR1] = (inputSampleR * hiquadC[biq_a1]) - (outSample * hiquadC[biq_b1]) + hiquadC[biq_sR2]; hiquadC[biq_sR2] = (inputSampleR * hiquadC[biq_a2]) - (outSample * hiquadC[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadD[biq_a0]) + hiquadD[biq_sL1]; hiquadD[biq_sL1] = (inputSampleL * hiquadD[biq_a1]) - (outSample * hiquadD[biq_b1]) + hiquadD[biq_sL2]; hiquadD[biq_sL2] = (inputSampleL * hiquadD[biq_a2]) - (outSample * hiquadD[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadD[biq_a0]) + hiquadD[biq_sR1]; hiquadD[biq_sR1] = (inputSampleR * hiquadD[biq_a1]) - (outSample * hiquadD[biq_b1]) + hiquadD[biq_sR2]; hiquadD[biq_sR2] = (inputSampleR * hiquadD[biq_a2]) - (outSample * hiquadD[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadE[biq_a0]) + hiquadE[biq_sL1]; hiquadE[biq_sL1] = (inputSampleL * hiquadE[biq_a1]) - (outSample * hiquadE[biq_b1]) + hiquadE[biq_sL2]; hiquadE[biq_sL2] = (inputSampleL * hiquadE[biq_a2]) - (outSample * hiquadE[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadE[biq_a0]) + hiquadE[biq_sR1]; hiquadE[biq_sR1] = (inputSampleR * hiquadE[biq_a1]) - (outSample * hiquadE[biq_b1]) + hiquadE[biq_sR2]; hiquadE[biq_sR2] = (inputSampleR * hiquadE[biq_a2]) - (outSample * hiquadE[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadF[biq_a0]) + hiquadF[biq_sL1]; hiquadF[biq_sL1] = (inputSampleL * hiquadF[biq_a1]) - (outSample * hiquadF[biq_b1]) + hiquadF[biq_sL2]; hiquadF[biq_sL2] = (inputSampleL * hiquadF[biq_a2]) - (outSample * hiquadF[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadF[biq_a0]) + hiquadF[biq_sR1]; hiquadF[biq_sR1] = (inputSampleR * hiquadF[biq_a1]) - (outSample * hiquadF[biq_b1]) + hiquadF[biq_sR2]; hiquadF[biq_sR2] = (inputSampleR * hiquadF[biq_a2]) - (outSample * hiquadF[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadG[biq_a0]) + hiquadG[biq_sL1]; hiquadG[biq_sL1] = (inputSampleL * hiquadG[biq_a1]) - (outSample * hiquadG[biq_b1]) + hiquadG[biq_sL2]; hiquadG[biq_sL2] = (inputSampleL * hiquadG[biq_a2]) - (outSample * hiquadG[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadG[biq_a0]) + hiquadG[biq_sR1]; hiquadG[biq_sR1] = (inputSampleR * hiquadG[biq_a1]) - (outSample * hiquadG[biq_b1]) + hiquadG[biq_sR2]; hiquadG[biq_sR2] = (inputSampleR * hiquadG[biq_a2]) - (outSample * hiquadG[biq_b2]); inputSampleR = outSample; inputSampleL = (drySampleL - inputSampleL); inputSampleR = (drySampleR - inputSampleR); biquadA[biq_a0] = (biquadA[biq_aA0]*temp)+(biquadA[biq_aB0]*(1.0-temp)); biquadA[biq_a1] = (biquadA[biq_aA1]*temp)+(biquadA[biq_aB1]*(1.0-temp)); biquadA[biq_a2] = (biquadA[biq_aA2]*temp)+(biquadA[biq_aB2]*(1.0-temp)); biquadA[biq_b1] = (biquadA[biq_bA1]*temp)+(biquadA[biq_bB1]*(1.0-temp)); biquadA[biq_b2] = (biquadA[biq_bA2]*temp)+(biquadA[biq_bB2]*(1.0-temp)); biquadB[biq_a0] = (biquadB[biq_aA0]*temp)+(biquadB[biq_aB0]*(1.0-temp)); biquadB[biq_a1] = (biquadB[biq_aA1]*temp)+(biquadB[biq_aB1]*(1.0-temp)); biquadB[biq_a2] = (biquadB[biq_aA2]*temp)+(biquadB[biq_aB2]*(1.0-temp)); biquadB[biq_b1] = (biquadB[biq_bA1]*temp)+(biquadB[biq_bB1]*(1.0-temp)); biquadB[biq_b2] = (biquadB[biq_bA2]*temp)+(biquadB[biq_bB2]*(1.0-temp)); biquadC[biq_a0] = (biquadC[biq_aA0]*temp)+(biquadC[biq_aB0]*(1.0-temp)); biquadC[biq_a1] = (biquadC[biq_aA1]*temp)+(biquadC[biq_aB1]*(1.0-temp)); biquadC[biq_a2] = (biquadC[biq_aA2]*temp)+(biquadC[biq_aB2]*(1.0-temp)); biquadC[biq_b1] = (biquadC[biq_bA1]*temp)+(biquadC[biq_bB1]*(1.0-temp)); biquadC[biq_b2] = (biquadC[biq_bA2]*temp)+(biquadC[biq_bB2]*(1.0-temp)); biquadD[biq_a0] = (biquadD[biq_aA0]*temp)+(biquadD[biq_aB0]*(1.0-temp)); biquadD[biq_a1] = (biquadD[biq_aA1]*temp)+(biquadD[biq_aB1]*(1.0-temp)); biquadD[biq_a2] = (biquadD[biq_aA2]*temp)+(biquadD[biq_aB2]*(1.0-temp)); biquadD[biq_b1] = (biquadD[biq_bA1]*temp)+(biquadD[biq_bB1]*(1.0-temp)); biquadD[biq_b2] = (biquadD[biq_bA2]*temp)+(biquadD[biq_bB2]*(1.0-temp)); biquadE[biq_a0] = (biquadE[biq_aA0]*temp)+(biquadE[biq_aB0]*(1.0-temp)); biquadE[biq_a1] = (biquadE[biq_aA1]*temp)+(biquadE[biq_aB1]*(1.0-temp)); biquadE[biq_a2] = (biquadE[biq_aA2]*temp)+(biquadE[biq_aB2]*(1.0-temp)); biquadE[biq_b1] = (biquadE[biq_bA1]*temp)+(biquadE[biq_bB1]*(1.0-temp)); biquadE[biq_b2] = (biquadE[biq_bA2]*temp)+(biquadE[biq_bB2]*(1.0-temp)); biquadF[biq_a0] = (biquadF[biq_aA0]*temp)+(biquadF[biq_aB0]*(1.0-temp)); biquadF[biq_a1] = (biquadF[biq_aA1]*temp)+(biquadF[biq_aB1]*(1.0-temp)); biquadF[biq_a2] = (biquadF[biq_aA2]*temp)+(biquadF[biq_aB2]*(1.0-temp)); biquadF[biq_b1] = (biquadF[biq_bA1]*temp)+(biquadF[biq_bB1]*(1.0-temp)); biquadF[biq_b2] = (biquadF[biq_bA2]*temp)+(biquadF[biq_bB2]*(1.0-temp)); biquadG[biq_a0] = (biquadG[biq_aA0]*temp)+(biquadG[biq_aB0]*(1.0-temp)); biquadG[biq_a1] = (biquadG[biq_aA1]*temp)+(biquadG[biq_aB1]*(1.0-temp)); biquadG[biq_a2] = (biquadG[biq_aA2]*temp)+(biquadG[biq_aB2]*(1.0-temp)); biquadG[biq_b1] = (biquadG[biq_bA1]*temp)+(biquadG[biq_bB1]*(1.0-temp)); biquadG[biq_b2] = (biquadG[biq_bA2]*temp)+(biquadG[biq_bB2]*(1.0-temp)); //this is the interpolation code for the biquad outSample = (inputSampleL * biquadA[biq_a0]) + biquadA[biq_sL1]; biquadA[biq_sL1] = (inputSampleL * biquadA[biq_a1]) - (outSample * biquadA[biq_b1]) + biquadA[biq_sL2]; biquadA[biq_sL2] = (inputSampleL * biquadA[biq_a2]) - (outSample * biquadA[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadA[biq_a0]) + biquadA[biq_sR1]; biquadA[biq_sR1] = (inputSampleR * biquadA[biq_a1]) - (outSample * biquadA[biq_b1]) + biquadA[biq_sR2]; biquadA[biq_sR2] = (inputSampleR * biquadA[biq_a2]) - (outSample * biquadA[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadB[biq_a0]) + biquadB[biq_sL1]; biquadB[biq_sL1] = (inputSampleL * biquadB[biq_a1]) - (outSample * biquadB[biq_b1]) + biquadB[biq_sL2]; biquadB[biq_sL2] = (inputSampleL * biquadB[biq_a2]) - (outSample * biquadB[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadB[biq_a0]) + biquadB[biq_sR1]; biquadB[biq_sR1] = (inputSampleR * biquadB[biq_a1]) - (outSample * biquadB[biq_b1]) + biquadB[biq_sR2]; biquadB[biq_sR2] = (inputSampleR * biquadB[biq_a2]) - (outSample * biquadB[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadC[biq_a0]) + biquadC[biq_sL1]; biquadC[biq_sL1] = (inputSampleL * biquadC[biq_a1]) - (outSample * biquadC[biq_b1]) + biquadC[biq_sL2]; biquadC[biq_sL2] = (inputSampleL * biquadC[biq_a2]) - (outSample * biquadC[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadC[biq_a0]) + biquadC[biq_sR1]; biquadC[biq_sR1] = (inputSampleR * biquadC[biq_a1]) - (outSample * biquadC[biq_b1]) + biquadC[biq_sR2]; biquadC[biq_sR2] = (inputSampleR * biquadC[biq_a2]) - (outSample * biquadC[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadD[biq_a0]) + biquadD[biq_sL1]; biquadD[biq_sL1] = (inputSampleL * biquadD[biq_a1]) - (outSample * biquadD[biq_b1]) + biquadD[biq_sL2]; biquadD[biq_sL2] = (inputSampleL * biquadD[biq_a2]) - (outSample * biquadD[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadD[biq_a0]) + biquadD[biq_sR1]; biquadD[biq_sR1] = (inputSampleR * biquadD[biq_a1]) - (outSample * biquadD[biq_b1]) + biquadD[biq_sR2]; biquadD[biq_sR2] = (inputSampleR * biquadD[biq_a2]) - (outSample * biquadD[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadE[biq_a0]) + biquadE[biq_sL1]; biquadE[biq_sL1] = (inputSampleL * biquadE[biq_a1]) - (outSample * biquadE[biq_b1]) + biquadE[biq_sL2]; biquadE[biq_sL2] = (inputSampleL * biquadE[biq_a2]) - (outSample * biquadE[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadE[biq_a0]) + biquadE[biq_sR1]; biquadE[biq_sR1] = (inputSampleR * biquadE[biq_a1]) - (outSample * biquadE[biq_b1]) + biquadE[biq_sR2]; biquadE[biq_sR2] = (inputSampleR * biquadE[biq_a2]) - (outSample * biquadE[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadF[biq_a0]) + biquadF[biq_sL1]; biquadF[biq_sL1] = (inputSampleL * biquadF[biq_a1]) - (outSample * biquadF[biq_b1]) + biquadF[biq_sL2]; biquadF[biq_sL2] = (inputSampleL * biquadF[biq_a2]) - (outSample * biquadF[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadF[biq_a0]) + biquadF[biq_sR1]; biquadF[biq_sR1] = (inputSampleR * biquadF[biq_a1]) - (outSample * biquadF[biq_b1]) + biquadF[biq_sR2]; biquadF[biq_sR2] = (inputSampleR * biquadF[biq_a2]) - (outSample * biquadF[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadG[biq_a0]) + biquadG[biq_sL1]; biquadG[biq_sL1] = (inputSampleL * biquadG[biq_a1]) - (outSample * biquadG[biq_b1]) + biquadG[biq_sL2]; biquadG[biq_sL2] = (inputSampleL * biquadG[biq_a2]) - (outSample * biquadG[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadG[biq_a0]) + biquadG[biq_sR1]; biquadG[biq_sR1] = (inputSampleR * biquadG[biq_a1]) - (outSample * biquadG[biq_b1]) + biquadG[biq_sR2]; biquadG[biq_sR2] = (inputSampleR * biquadG[biq_a2]) - (outSample * biquadG[biq_b2]); inputSampleR = outSample; //begin ClipOnly2 stereo as a little, compressed chunk that can be dropped into code if (inputSampleL > 4.0) inputSampleL = 4.0; if (inputSampleL < -4.0) inputSampleL = -4.0; if (wasPosClipL == true) { //current will be over if (inputSampleL0.9549925859) {wasPosClipL=true;inputSampleL=0.7058208+(lastSampleL*0.2609148);} if (wasNegClipL == true) { //current will be -over if (inputSampleL > lastSampleL) lastSampleL=-0.7058208+(inputSampleL*0.2609148); else lastSampleL=-0.2491717+(lastSampleL*0.7390851); } wasNegClipL = false; if (inputSampleL<-0.9549925859) {wasNegClipL=true;inputSampleL=-0.7058208+(lastSampleL*0.2609148);} intermediateL[spacing] = inputSampleL; inputSampleL = lastSampleL; //Latency is however many samples equals one 44.1k sample for (int x = spacing; x > 0; x--) intermediateL[x-1] = intermediateL[x]; lastSampleL = intermediateL[0]; //run a little buffer to handle this if (inputSampleR > 4.0) inputSampleR = 4.0; if (inputSampleR < -4.0) inputSampleR = -4.0; if (wasPosClipR == true) { //current will be over if (inputSampleR0.9549925859) {wasPosClipR=true;inputSampleR=0.7058208+(lastSampleR*0.2609148);} if (wasNegClipR == true) { //current will be -over if (inputSampleR > lastSampleR) lastSampleR=-0.7058208+(inputSampleR*0.2609148); else lastSampleR=-0.2491717+(lastSampleR*0.7390851); } wasNegClipR = false; if (inputSampleR<-0.9549925859) {wasNegClipR=true;inputSampleR=-0.7058208+(lastSampleR*0.2609148);} intermediateR[spacing] = inputSampleR; inputSampleR = lastSampleR; //Latency is however many samples equals one 44.1k sample for (int x = spacing; x > 0; x--) intermediateR[x-1] = intermediateR[x]; lastSampleR = intermediateR[0]; //run a little buffer to handle this //end ClipOnly2 stereo as a little, compressed chunk that can be dropped into code //begin 32 bit stereo floating point dither int expon; frexpf((float)inputSampleL, &expon); fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5; inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); frexpf((float)inputSampleR, &expon); fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5; inputSampleR += ((double(fpdR)-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 Isolator3::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) { double* in1 = inputs[0]; double* in2 = inputs[1]; double* out1 = outputs[0]; double* out2 = outputs[1]; VstInt32 inFramesToProcess = sampleFrames; //vst doesn't give us this as a separate variable so we'll make it double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); int spacing = floor(overallscale); //should give us working basic scaling, usually 2 or 4 if (spacing < 1) spacing = 1; if (spacing > 16) spacing = 16; double f = A; double q = B; double isoFreq = ((f*2.0)*(1.0-q))+(f*q); double hisoFreq = (((f*2.0)-1.0)*(1.0-q))+(f*q); if (isoFreq > 1.0) isoFreq = 1.0; if (hisoFreq < 0.0) hisoFreq = 0.0; biquadA[biq_freq] = pow(isoFreq,(2.0*sqrt(overallscale)))*0.4999; if (biquadA[biq_freq] < 0.00025) biquadA[biq_freq] = 0.00025; biquadG[biq_freq] = biquadF[biq_freq] = biquadE[biq_freq] = biquadD[biq_freq] = biquadC[biq_freq] = biquadB[biq_freq] = biquadA[biq_freq]; hiquadA[biq_freq] = pow(hisoFreq,(2.0*sqrt(overallscale)))*0.4999; if (hiquadA[biq_freq] < 0.00025) hiquadA[biq_freq] = 0.00025; hiquadG[biq_freq] = hiquadF[biq_freq] = hiquadE[biq_freq] = hiquadD[biq_freq] = hiquadC[biq_freq] = hiquadB[biq_freq] = hiquadA[biq_freq]; hiquadA[biq_reso] = biquadA[biq_reso] = 4.46570214; hiquadB[biq_reso] = biquadB[biq_reso] = 1.51387132; hiquadC[biq_reso] = biquadC[biq_reso] = 0.93979296; hiquadD[biq_reso] = biquadD[biq_reso] = 0.70710678; hiquadE[biq_reso] = biquadE[biq_reso] = 0.59051105; hiquadF[biq_reso] = biquadF[biq_reso] = 0.52972649; hiquadG[biq_reso] = biquadG[biq_reso] = 0.50316379; biquadA[biq_aA0] = biquadA[biq_aB0]; biquadA[biq_aA1] = biquadA[biq_aB1]; biquadA[biq_aA2] = biquadA[biq_aB2]; biquadA[biq_bA1] = biquadA[biq_bB1]; biquadA[biq_bA2] = biquadA[biq_bB2]; biquadB[biq_aA0] = biquadB[biq_aB0]; biquadB[biq_aA1] = biquadB[biq_aB1]; biquadB[biq_aA2] = biquadB[biq_aB2]; biquadB[biq_bA1] = biquadB[biq_bB1]; biquadB[biq_bA2] = biquadB[biq_bB2]; biquadC[biq_aA0] = biquadC[biq_aB0]; biquadC[biq_aA1] = biquadC[biq_aB1]; biquadC[biq_aA2] = biquadC[biq_aB2]; biquadC[biq_bA1] = biquadC[biq_bB1]; biquadC[biq_bA2] = biquadC[biq_bB2]; biquadD[biq_aA0] = biquadD[biq_aB0]; biquadD[biq_aA1] = biquadD[biq_aB1]; biquadD[biq_aA2] = biquadD[biq_aB2]; biquadD[biq_bA1] = biquadD[biq_bB1]; biquadD[biq_bA2] = biquadD[biq_bB2]; biquadE[biq_aA0] = biquadE[biq_aB0]; biquadE[biq_aA1] = biquadE[biq_aB1]; biquadE[biq_aA2] = biquadE[biq_aB2]; biquadE[biq_bA1] = biquadE[biq_bB1]; biquadE[biq_bA2] = biquadE[biq_bB2]; biquadF[biq_aA0] = biquadF[biq_aB0]; biquadF[biq_aA1] = biquadF[biq_aB1]; biquadF[biq_aA2] = biquadF[biq_aB2]; biquadF[biq_bA1] = biquadF[biq_bB1]; biquadF[biq_bA2] = biquadF[biq_bB2]; biquadG[biq_aA0] = biquadG[biq_aB0]; biquadG[biq_aA1] = biquadG[biq_aB1]; biquadG[biq_aA2] = biquadG[biq_aB2]; biquadG[biq_bA1] = biquadG[biq_bB1]; biquadG[biq_bA2] = biquadG[biq_bB2]; hiquadA[biq_aA0] = hiquadA[biq_aB0]; hiquadA[biq_aA1] = hiquadA[biq_aB1]; hiquadA[biq_aA2] = hiquadA[biq_aB2]; hiquadA[biq_bA1] = hiquadA[biq_bB1]; hiquadA[biq_bA2] = hiquadA[biq_bB2]; hiquadB[biq_aA0] = hiquadB[biq_aB0]; hiquadB[biq_aA1] = hiquadB[biq_aB1]; hiquadB[biq_aA2] = hiquadB[biq_aB2]; hiquadB[biq_bA1] = hiquadB[biq_bB1]; hiquadB[biq_bA2] = hiquadB[biq_bB2]; hiquadC[biq_aA0] = hiquadC[biq_aB0]; hiquadC[biq_aA1] = hiquadC[biq_aB1]; hiquadC[biq_aA2] = hiquadC[biq_aB2]; hiquadC[biq_bA1] = hiquadC[biq_bB1]; hiquadC[biq_bA2] = hiquadC[biq_bB2]; hiquadD[biq_aA0] = hiquadD[biq_aB0]; hiquadD[biq_aA1] = hiquadD[biq_aB1]; hiquadD[biq_aA2] = hiquadD[biq_aB2]; hiquadD[biq_bA1] = hiquadD[biq_bB1]; hiquadD[biq_bA2] = hiquadD[biq_bB2]; hiquadE[biq_aA0] = hiquadE[biq_aB0]; hiquadE[biq_aA1] = hiquadE[biq_aB1]; hiquadE[biq_aA2] = hiquadE[biq_aB2]; hiquadE[biq_bA1] = hiquadE[biq_bB1]; hiquadE[biq_bA2] = hiquadE[biq_bB2]; hiquadF[biq_aA0] = hiquadF[biq_aB0]; hiquadF[biq_aA1] = hiquadF[biq_aB1]; hiquadF[biq_aA2] = hiquadF[biq_aB2]; hiquadF[biq_bA1] = hiquadF[biq_bB1]; hiquadF[biq_bA2] = hiquadF[biq_bB2]; hiquadG[biq_aA0] = hiquadG[biq_aB0]; hiquadG[biq_aA1] = hiquadG[biq_aB1]; hiquadG[biq_aA2] = hiquadG[biq_aB2]; hiquadG[biq_bA1] = hiquadG[biq_bB1]; hiquadG[biq_bA2] = hiquadG[biq_bB2]; //previous run through the buffer is still in the filter, so we move it //to the A section and now it's the new starting point. double K = tan(M_PI * biquadA[biq_freq]); double norm = 1.0 / (1.0 + K / biquadA[biq_reso] + K * K); biquadA[biq_aB0] = K * K * norm; biquadA[biq_aB1] = 2.0 * biquadA[biq_aB0]; biquadA[biq_aB2] = biquadA[biq_aB0]; biquadA[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadA[biq_bB2] = (1.0 - K / biquadA[biq_reso] + K * K) * norm; K = tan(M_PI * biquadB[biq_freq]); norm = 1.0 / (1.0 + K / biquadB[biq_reso] + K * K); biquadB[biq_aB0] = K * K * norm; biquadB[biq_aB1] = 2.0 * biquadB[biq_aB0]; biquadB[biq_aB2] = biquadB[biq_aB0]; biquadB[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadB[biq_bB2] = (1.0 - K / biquadB[biq_reso] + K * K) * norm; K = tan(M_PI * biquadC[biq_freq]); norm = 1.0 / (1.0 + K / biquadC[biq_reso] + K * K); biquadC[biq_aB0] = K * K * norm; biquadC[biq_aB1] = 2.0 * biquadC[biq_aB0]; biquadC[biq_aB2] = biquadC[biq_aB0]; biquadC[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadC[biq_bB2] = (1.0 - K / biquadC[biq_reso] + K * K) * norm; K = tan(M_PI * biquadD[biq_freq]); norm = 1.0 / (1.0 + K / biquadD[biq_reso] + K * K); biquadD[biq_aB0] = K * K * norm; biquadD[biq_aB1] = 2.0 * biquadD[biq_aB0]; biquadD[biq_aB2] = biquadD[biq_aB0]; biquadD[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadD[biq_bB2] = (1.0 - K / biquadD[biq_reso] + K * K) * norm; K = tan(M_PI * biquadE[biq_freq]); norm = 1.0 / (1.0 + K / biquadE[biq_reso] + K * K); biquadE[biq_aB0] = K * K * norm; biquadE[biq_aB1] = 2.0 * biquadE[biq_aB0]; biquadE[biq_aB2] = biquadE[biq_aB0]; biquadE[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadE[biq_bB2] = (1.0 - K / biquadE[biq_reso] + K * K) * norm; K = tan(M_PI * biquadF[biq_freq]); norm = 1.0 / (1.0 + K / biquadF[biq_reso] + K * K); biquadF[biq_aB0] = K * K * norm; biquadF[biq_aB1] = 2.0 * biquadF[biq_aB0]; biquadF[biq_aB2] = biquadF[biq_aB0]; biquadF[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadF[biq_bB2] = (1.0 - K / biquadF[biq_reso] + K * K) * norm; K = tan(M_PI * biquadG[biq_freq]); norm = 1.0 / (1.0 + K / biquadG[biq_reso] + K * K); biquadG[biq_aB0] = K * K * norm; biquadG[biq_aB1] = 2.0 * biquadG[biq_aB0]; biquadG[biq_aB2] = biquadG[biq_aB0]; biquadG[biq_bB1] = 2.0 * (K * K - 1.0) * norm; biquadG[biq_bB2] = (1.0 - K / biquadG[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadA[biq_freq]); norm = 1.0 / (1.0 + K / hiquadA[biq_reso] + K * K); hiquadA[biq_aB0] = K * K * norm; hiquadA[biq_aB1] = 2.0 * hiquadA[biq_aB0]; hiquadA[biq_aB2] = hiquadA[biq_aB0]; hiquadA[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadA[biq_bB2] = (1.0 - K / hiquadA[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadB[biq_freq]); norm = 1.0 / (1.0 + K / hiquadB[biq_reso] + K * K); hiquadB[biq_aB0] = K * K * norm; hiquadB[biq_aB1] = 2.0 * hiquadB[biq_aB0]; hiquadB[biq_aB2] = hiquadB[biq_aB0]; hiquadB[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadB[biq_bB2] = (1.0 - K / hiquadB[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadC[biq_freq]); norm = 1.0 / (1.0 + K / hiquadC[biq_reso] + K * K); hiquadC[biq_aB0] = K * K * norm; hiquadC[biq_aB1] = 2.0 * hiquadC[biq_aB0]; hiquadC[biq_aB2] = hiquadC[biq_aB0]; hiquadC[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadC[biq_bB2] = (1.0 - K / hiquadC[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadD[biq_freq]); norm = 1.0 / (1.0 + K / hiquadD[biq_reso] + K * K); hiquadD[biq_aB0] = K * K * norm; hiquadD[biq_aB1] = 2.0 * hiquadD[biq_aB0]; hiquadD[biq_aB2] = hiquadD[biq_aB0]; hiquadD[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadD[biq_bB2] = (1.0 - K / hiquadD[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadE[biq_freq]); norm = 1.0 / (1.0 + K / hiquadE[biq_reso] + K * K); hiquadE[biq_aB0] = K * K * norm; hiquadE[biq_aB1] = 2.0 * hiquadE[biq_aB0]; hiquadE[biq_aB2] = hiquadE[biq_aB0]; hiquadE[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadE[biq_bB2] = (1.0 - K / hiquadE[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadF[biq_freq]); norm = 1.0 / (1.0 + K / hiquadF[biq_reso] + K * K); hiquadF[biq_aB0] = K * K * norm; hiquadF[biq_aB1] = 2.0 * hiquadF[biq_aB0]; hiquadF[biq_aB2] = hiquadF[biq_aB0]; hiquadF[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadF[biq_bB2] = (1.0 - K / hiquadF[biq_reso] + K * K) * norm; K = tan(M_PI * hiquadG[biq_freq]); norm = 1.0 / (1.0 + K / hiquadG[biq_reso] + K * K); hiquadG[biq_aB0] = K * K * norm; hiquadG[biq_aB1] = 2.0 * hiquadG[biq_aB0]; hiquadG[biq_aB2] = hiquadG[biq_aB0]; hiquadG[biq_bB1] = 2.0 * (K * K - 1.0) * norm; hiquadG[biq_bB2] = (1.0 - K / hiquadG[biq_reso] + K * K) * norm; while (--sampleFrames >= 0) { double inputSampleL = *in1; double inputSampleR = *in2; if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17; if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17; double drySampleL = inputSampleL; double drySampleR = inputSampleR; double temp = (double)sampleFrames/inFramesToProcess; hiquadA[biq_a0] = (hiquadA[biq_aA0]*temp)+(hiquadA[biq_aB0]*(1.0-temp)); hiquadA[biq_a1] = (hiquadA[biq_aA1]*temp)+(hiquadA[biq_aB1]*(1.0-temp)); hiquadA[biq_a2] = (hiquadA[biq_aA2]*temp)+(hiquadA[biq_aB2]*(1.0-temp)); hiquadA[biq_b1] = (hiquadA[biq_bA1]*temp)+(hiquadA[biq_bB1]*(1.0-temp)); hiquadA[biq_b2] = (hiquadA[biq_bA2]*temp)+(hiquadA[biq_bB2]*(1.0-temp)); hiquadB[biq_a0] = (hiquadB[biq_aA0]*temp)+(hiquadB[biq_aB0]*(1.0-temp)); hiquadB[biq_a1] = (hiquadB[biq_aA1]*temp)+(hiquadB[biq_aB1]*(1.0-temp)); hiquadB[biq_a2] = (hiquadB[biq_aA2]*temp)+(hiquadB[biq_aB2]*(1.0-temp)); hiquadB[biq_b1] = (hiquadB[biq_bA1]*temp)+(hiquadB[biq_bB1]*(1.0-temp)); hiquadB[biq_b2] = (hiquadB[biq_bA2]*temp)+(hiquadB[biq_bB2]*(1.0-temp)); hiquadC[biq_a0] = (hiquadC[biq_aA0]*temp)+(hiquadC[biq_aB0]*(1.0-temp)); hiquadC[biq_a1] = (hiquadC[biq_aA1]*temp)+(hiquadC[biq_aB1]*(1.0-temp)); hiquadC[biq_a2] = (hiquadC[biq_aA2]*temp)+(hiquadC[biq_aB2]*(1.0-temp)); hiquadC[biq_b1] = (hiquadC[biq_bA1]*temp)+(hiquadC[biq_bB1]*(1.0-temp)); hiquadC[biq_b2] = (hiquadC[biq_bA2]*temp)+(hiquadC[biq_bB2]*(1.0-temp)); hiquadD[biq_a0] = (hiquadD[biq_aA0]*temp)+(hiquadD[biq_aB0]*(1.0-temp)); hiquadD[biq_a1] = (hiquadD[biq_aA1]*temp)+(hiquadD[biq_aB1]*(1.0-temp)); hiquadD[biq_a2] = (hiquadD[biq_aA2]*temp)+(hiquadD[biq_aB2]*(1.0-temp)); hiquadD[biq_b1] = (hiquadD[biq_bA1]*temp)+(hiquadD[biq_bB1]*(1.0-temp)); hiquadD[biq_b2] = (hiquadD[biq_bA2]*temp)+(hiquadD[biq_bB2]*(1.0-temp)); hiquadE[biq_a0] = (hiquadE[biq_aA0]*temp)+(hiquadE[biq_aB0]*(1.0-temp)); hiquadE[biq_a1] = (hiquadE[biq_aA1]*temp)+(hiquadE[biq_aB1]*(1.0-temp)); hiquadE[biq_a2] = (hiquadE[biq_aA2]*temp)+(hiquadE[biq_aB2]*(1.0-temp)); hiquadE[biq_b1] = (hiquadE[biq_bA1]*temp)+(hiquadE[biq_bB1]*(1.0-temp)); hiquadE[biq_b2] = (hiquadE[biq_bA2]*temp)+(hiquadE[biq_bB2]*(1.0-temp)); hiquadF[biq_a0] = (hiquadF[biq_aA0]*temp)+(hiquadF[biq_aB0]*(1.0-temp)); hiquadF[biq_a1] = (hiquadF[biq_aA1]*temp)+(hiquadF[biq_aB1]*(1.0-temp)); hiquadF[biq_a2] = (hiquadF[biq_aA2]*temp)+(hiquadF[biq_aB2]*(1.0-temp)); hiquadF[biq_b1] = (hiquadF[biq_bA1]*temp)+(hiquadF[biq_bB1]*(1.0-temp)); hiquadF[biq_b2] = (hiquadF[biq_bA2]*temp)+(hiquadF[biq_bB2]*(1.0-temp)); hiquadG[biq_a0] = (hiquadG[biq_aA0]*temp)+(hiquadG[biq_aB0]*(1.0-temp)); hiquadG[biq_a1] = (hiquadG[biq_aA1]*temp)+(hiquadG[biq_aB1]*(1.0-temp)); hiquadG[biq_a2] = (hiquadG[biq_aA2]*temp)+(hiquadG[biq_aB2]*(1.0-temp)); hiquadG[biq_b1] = (hiquadG[biq_bA1]*temp)+(hiquadG[biq_bB1]*(1.0-temp)); hiquadG[biq_b2] = (hiquadG[biq_bA2]*temp)+(hiquadG[biq_bB2]*(1.0-temp)); //this is the interpolation code for the hiquad double outSample = (inputSampleL * hiquadA[biq_a0]) + hiquadA[biq_sL1]; hiquadA[biq_sL1] = (inputSampleL * hiquadA[biq_a1]) - (outSample * hiquadA[biq_b1]) + hiquadA[biq_sL2]; hiquadA[biq_sL2] = (inputSampleL * hiquadA[biq_a2]) - (outSample * hiquadA[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadA[biq_a0]) + hiquadA[biq_sR1]; hiquadA[biq_sR1] = (inputSampleR * hiquadA[biq_a1]) - (outSample * hiquadA[biq_b1]) + hiquadA[biq_sR2]; hiquadA[biq_sR2] = (inputSampleR * hiquadA[biq_a2]) - (outSample * hiquadA[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadB[biq_a0]) + hiquadB[biq_sL1]; hiquadB[biq_sL1] = (inputSampleL * hiquadB[biq_a1]) - (outSample * hiquadB[biq_b1]) + hiquadB[biq_sL2]; hiquadB[biq_sL2] = (inputSampleL * hiquadB[biq_a2]) - (outSample * hiquadB[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadB[biq_a0]) + hiquadB[biq_sR1]; hiquadB[biq_sR1] = (inputSampleR * hiquadB[biq_a1]) - (outSample * hiquadB[biq_b1]) + hiquadB[biq_sR2]; hiquadB[biq_sR2] = (inputSampleR * hiquadB[biq_a2]) - (outSample * hiquadB[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadC[biq_a0]) + hiquadC[biq_sL1]; hiquadC[biq_sL1] = (inputSampleL * hiquadC[biq_a1]) - (outSample * hiquadC[biq_b1]) + hiquadC[biq_sL2]; hiquadC[biq_sL2] = (inputSampleL * hiquadC[biq_a2]) - (outSample * hiquadC[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadC[biq_a0]) + hiquadC[biq_sR1]; hiquadC[biq_sR1] = (inputSampleR * hiquadC[biq_a1]) - (outSample * hiquadC[biq_b1]) + hiquadC[biq_sR2]; hiquadC[biq_sR2] = (inputSampleR * hiquadC[biq_a2]) - (outSample * hiquadC[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadD[biq_a0]) + hiquadD[biq_sL1]; hiquadD[biq_sL1] = (inputSampleL * hiquadD[biq_a1]) - (outSample * hiquadD[biq_b1]) + hiquadD[biq_sL2]; hiquadD[biq_sL2] = (inputSampleL * hiquadD[biq_a2]) - (outSample * hiquadD[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadD[biq_a0]) + hiquadD[biq_sR1]; hiquadD[biq_sR1] = (inputSampleR * hiquadD[biq_a1]) - (outSample * hiquadD[biq_b1]) + hiquadD[biq_sR2]; hiquadD[biq_sR2] = (inputSampleR * hiquadD[biq_a2]) - (outSample * hiquadD[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadE[biq_a0]) + hiquadE[biq_sL1]; hiquadE[biq_sL1] = (inputSampleL * hiquadE[biq_a1]) - (outSample * hiquadE[biq_b1]) + hiquadE[biq_sL2]; hiquadE[biq_sL2] = (inputSampleL * hiquadE[biq_a2]) - (outSample * hiquadE[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadE[biq_a0]) + hiquadE[biq_sR1]; hiquadE[biq_sR1] = (inputSampleR * hiquadE[biq_a1]) - (outSample * hiquadE[biq_b1]) + hiquadE[biq_sR2]; hiquadE[biq_sR2] = (inputSampleR * hiquadE[biq_a2]) - (outSample * hiquadE[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadF[biq_a0]) + hiquadF[biq_sL1]; hiquadF[biq_sL1] = (inputSampleL * hiquadF[biq_a1]) - (outSample * hiquadF[biq_b1]) + hiquadF[biq_sL2]; hiquadF[biq_sL2] = (inputSampleL * hiquadF[biq_a2]) - (outSample * hiquadF[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadF[biq_a0]) + hiquadF[biq_sR1]; hiquadF[biq_sR1] = (inputSampleR * hiquadF[biq_a1]) - (outSample * hiquadF[biq_b1]) + hiquadF[biq_sR2]; hiquadF[biq_sR2] = (inputSampleR * hiquadF[biq_a2]) - (outSample * hiquadF[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * hiquadG[biq_a0]) + hiquadG[biq_sL1]; hiquadG[biq_sL1] = (inputSampleL * hiquadG[biq_a1]) - (outSample * hiquadG[biq_b1]) + hiquadG[biq_sL2]; hiquadG[biq_sL2] = (inputSampleL * hiquadG[biq_a2]) - (outSample * hiquadG[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * hiquadG[biq_a0]) + hiquadG[biq_sR1]; hiquadG[biq_sR1] = (inputSampleR * hiquadG[biq_a1]) - (outSample * hiquadG[biq_b1]) + hiquadG[biq_sR2]; hiquadG[biq_sR2] = (inputSampleR * hiquadG[biq_a2]) - (outSample * hiquadG[biq_b2]); inputSampleR = outSample; inputSampleL = (drySampleL - inputSampleL); inputSampleR = (drySampleR - inputSampleR); biquadA[biq_a0] = (biquadA[biq_aA0]*temp)+(biquadA[biq_aB0]*(1.0-temp)); biquadA[biq_a1] = (biquadA[biq_aA1]*temp)+(biquadA[biq_aB1]*(1.0-temp)); biquadA[biq_a2] = (biquadA[biq_aA2]*temp)+(biquadA[biq_aB2]*(1.0-temp)); biquadA[biq_b1] = (biquadA[biq_bA1]*temp)+(biquadA[biq_bB1]*(1.0-temp)); biquadA[biq_b2] = (biquadA[biq_bA2]*temp)+(biquadA[biq_bB2]*(1.0-temp)); biquadB[biq_a0] = (biquadB[biq_aA0]*temp)+(biquadB[biq_aB0]*(1.0-temp)); biquadB[biq_a1] = (biquadB[biq_aA1]*temp)+(biquadB[biq_aB1]*(1.0-temp)); biquadB[biq_a2] = (biquadB[biq_aA2]*temp)+(biquadB[biq_aB2]*(1.0-temp)); biquadB[biq_b1] = (biquadB[biq_bA1]*temp)+(biquadB[biq_bB1]*(1.0-temp)); biquadB[biq_b2] = (biquadB[biq_bA2]*temp)+(biquadB[biq_bB2]*(1.0-temp)); biquadC[biq_a0] = (biquadC[biq_aA0]*temp)+(biquadC[biq_aB0]*(1.0-temp)); biquadC[biq_a1] = (biquadC[biq_aA1]*temp)+(biquadC[biq_aB1]*(1.0-temp)); biquadC[biq_a2] = (biquadC[biq_aA2]*temp)+(biquadC[biq_aB2]*(1.0-temp)); biquadC[biq_b1] = (biquadC[biq_bA1]*temp)+(biquadC[biq_bB1]*(1.0-temp)); biquadC[biq_b2] = (biquadC[biq_bA2]*temp)+(biquadC[biq_bB2]*(1.0-temp)); biquadD[biq_a0] = (biquadD[biq_aA0]*temp)+(biquadD[biq_aB0]*(1.0-temp)); biquadD[biq_a1] = (biquadD[biq_aA1]*temp)+(biquadD[biq_aB1]*(1.0-temp)); biquadD[biq_a2] = (biquadD[biq_aA2]*temp)+(biquadD[biq_aB2]*(1.0-temp)); biquadD[biq_b1] = (biquadD[biq_bA1]*temp)+(biquadD[biq_bB1]*(1.0-temp)); biquadD[biq_b2] = (biquadD[biq_bA2]*temp)+(biquadD[biq_bB2]*(1.0-temp)); biquadE[biq_a0] = (biquadE[biq_aA0]*temp)+(biquadE[biq_aB0]*(1.0-temp)); biquadE[biq_a1] = (biquadE[biq_aA1]*temp)+(biquadE[biq_aB1]*(1.0-temp)); biquadE[biq_a2] = (biquadE[biq_aA2]*temp)+(biquadE[biq_aB2]*(1.0-temp)); biquadE[biq_b1] = (biquadE[biq_bA1]*temp)+(biquadE[biq_bB1]*(1.0-temp)); biquadE[biq_b2] = (biquadE[biq_bA2]*temp)+(biquadE[biq_bB2]*(1.0-temp)); biquadF[biq_a0] = (biquadF[biq_aA0]*temp)+(biquadF[biq_aB0]*(1.0-temp)); biquadF[biq_a1] = (biquadF[biq_aA1]*temp)+(biquadF[biq_aB1]*(1.0-temp)); biquadF[biq_a2] = (biquadF[biq_aA2]*temp)+(biquadF[biq_aB2]*(1.0-temp)); biquadF[biq_b1] = (biquadF[biq_bA1]*temp)+(biquadF[biq_bB1]*(1.0-temp)); biquadF[biq_b2] = (biquadF[biq_bA2]*temp)+(biquadF[biq_bB2]*(1.0-temp)); biquadG[biq_a0] = (biquadG[biq_aA0]*temp)+(biquadG[biq_aB0]*(1.0-temp)); biquadG[biq_a1] = (biquadG[biq_aA1]*temp)+(biquadG[biq_aB1]*(1.0-temp)); biquadG[biq_a2] = (biquadG[biq_aA2]*temp)+(biquadG[biq_aB2]*(1.0-temp)); biquadG[biq_b1] = (biquadG[biq_bA1]*temp)+(biquadG[biq_bB1]*(1.0-temp)); biquadG[biq_b2] = (biquadG[biq_bA2]*temp)+(biquadG[biq_bB2]*(1.0-temp)); //this is the interpolation code for the biquad outSample = (inputSampleL * biquadA[biq_a0]) + biquadA[biq_sL1]; biquadA[biq_sL1] = (inputSampleL * biquadA[biq_a1]) - (outSample * biquadA[biq_b1]) + biquadA[biq_sL2]; biquadA[biq_sL2] = (inputSampleL * biquadA[biq_a2]) - (outSample * biquadA[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadA[biq_a0]) + biquadA[biq_sR1]; biquadA[biq_sR1] = (inputSampleR * biquadA[biq_a1]) - (outSample * biquadA[biq_b1]) + biquadA[biq_sR2]; biquadA[biq_sR2] = (inputSampleR * biquadA[biq_a2]) - (outSample * biquadA[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadB[biq_a0]) + biquadB[biq_sL1]; biquadB[biq_sL1] = (inputSampleL * biquadB[biq_a1]) - (outSample * biquadB[biq_b1]) + biquadB[biq_sL2]; biquadB[biq_sL2] = (inputSampleL * biquadB[biq_a2]) - (outSample * biquadB[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadB[biq_a0]) + biquadB[biq_sR1]; biquadB[biq_sR1] = (inputSampleR * biquadB[biq_a1]) - (outSample * biquadB[biq_b1]) + biquadB[biq_sR2]; biquadB[biq_sR2] = (inputSampleR * biquadB[biq_a2]) - (outSample * biquadB[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadC[biq_a0]) + biquadC[biq_sL1]; biquadC[biq_sL1] = (inputSampleL * biquadC[biq_a1]) - (outSample * biquadC[biq_b1]) + biquadC[biq_sL2]; biquadC[biq_sL2] = (inputSampleL * biquadC[biq_a2]) - (outSample * biquadC[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadC[biq_a0]) + biquadC[biq_sR1]; biquadC[biq_sR1] = (inputSampleR * biquadC[biq_a1]) - (outSample * biquadC[biq_b1]) + biquadC[biq_sR2]; biquadC[biq_sR2] = (inputSampleR * biquadC[biq_a2]) - (outSample * biquadC[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadD[biq_a0]) + biquadD[biq_sL1]; biquadD[biq_sL1] = (inputSampleL * biquadD[biq_a1]) - (outSample * biquadD[biq_b1]) + biquadD[biq_sL2]; biquadD[biq_sL2] = (inputSampleL * biquadD[biq_a2]) - (outSample * biquadD[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadD[biq_a0]) + biquadD[biq_sR1]; biquadD[biq_sR1] = (inputSampleR * biquadD[biq_a1]) - (outSample * biquadD[biq_b1]) + biquadD[biq_sR2]; biquadD[biq_sR2] = (inputSampleR * biquadD[biq_a2]) - (outSample * biquadD[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadE[biq_a0]) + biquadE[biq_sL1]; biquadE[biq_sL1] = (inputSampleL * biquadE[biq_a1]) - (outSample * biquadE[biq_b1]) + biquadE[biq_sL2]; biquadE[biq_sL2] = (inputSampleL * biquadE[biq_a2]) - (outSample * biquadE[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadE[biq_a0]) + biquadE[biq_sR1]; biquadE[biq_sR1] = (inputSampleR * biquadE[biq_a1]) - (outSample * biquadE[biq_b1]) + biquadE[biq_sR2]; biquadE[biq_sR2] = (inputSampleR * biquadE[biq_a2]) - (outSample * biquadE[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadF[biq_a0]) + biquadF[biq_sL1]; biquadF[biq_sL1] = (inputSampleL * biquadF[biq_a1]) - (outSample * biquadF[biq_b1]) + biquadF[biq_sL2]; biquadF[biq_sL2] = (inputSampleL * biquadF[biq_a2]) - (outSample * biquadF[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadF[biq_a0]) + biquadF[biq_sR1]; biquadF[biq_sR1] = (inputSampleR * biquadF[biq_a1]) - (outSample * biquadF[biq_b1]) + biquadF[biq_sR2]; biquadF[biq_sR2] = (inputSampleR * biquadF[biq_a2]) - (outSample * biquadF[biq_b2]); inputSampleR = outSample; outSample = (inputSampleL * biquadG[biq_a0]) + biquadG[biq_sL1]; biquadG[biq_sL1] = (inputSampleL * biquadG[biq_a1]) - (outSample * biquadG[biq_b1]) + biquadG[biq_sL2]; biquadG[biq_sL2] = (inputSampleL * biquadG[biq_a2]) - (outSample * biquadG[biq_b2]); inputSampleL = outSample; outSample = (inputSampleR * biquadG[biq_a0]) + biquadG[biq_sR1]; biquadG[biq_sR1] = (inputSampleR * biquadG[biq_a1]) - (outSample * biquadG[biq_b1]) + biquadG[biq_sR2]; biquadG[biq_sR2] = (inputSampleR * biquadG[biq_a2]) - (outSample * biquadG[biq_b2]); inputSampleR = outSample; //begin ClipOnly2 stereo as a little, compressed chunk that can be dropped into code if (inputSampleL > 4.0) inputSampleL = 4.0; if (inputSampleL < -4.0) inputSampleL = -4.0; if (wasPosClipL == true) { //current will be over if (inputSampleL0.9549925859) {wasPosClipL=true;inputSampleL=0.7058208+(lastSampleL*0.2609148);} if (wasNegClipL == true) { //current will be -over if (inputSampleL > lastSampleL) lastSampleL=-0.7058208+(inputSampleL*0.2609148); else lastSampleL=-0.2491717+(lastSampleL*0.7390851); } wasNegClipL = false; if (inputSampleL<-0.9549925859) {wasNegClipL=true;inputSampleL=-0.7058208+(lastSampleL*0.2609148);} intermediateL[spacing] = inputSampleL; inputSampleL = lastSampleL; //Latency is however many samples equals one 44.1k sample for (int x = spacing; x > 0; x--) intermediateL[x-1] = intermediateL[x]; lastSampleL = intermediateL[0]; //run a little buffer to handle this if (inputSampleR > 4.0) inputSampleR = 4.0; if (inputSampleR < -4.0) inputSampleR = -4.0; if (wasPosClipR == true) { //current will be over if (inputSampleR0.9549925859) {wasPosClipR=true;inputSampleR=0.7058208+(lastSampleR*0.2609148);} if (wasNegClipR == true) { //current will be -over if (inputSampleR > lastSampleR) lastSampleR=-0.7058208+(inputSampleR*0.2609148); else lastSampleR=-0.2491717+(lastSampleR*0.7390851); } wasNegClipR = false; if (inputSampleR<-0.9549925859) {wasNegClipR=true;inputSampleR=-0.7058208+(lastSampleR*0.2609148);} intermediateR[spacing] = inputSampleR; inputSampleR = lastSampleR; //Latency is however many samples equals one 44.1k sample for (int x = spacing; x > 0; x--) intermediateR[x-1] = intermediateR[x]; lastSampleR = intermediateR[0]; //run a little buffer to handle this //end ClipOnly2 stereo as a little, compressed chunk that can be dropped into code //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++; } }