/* ======================================== * ToTape6 - ToTape6.h * Copyright (c) 2016 airwindows, All rights reserved * ======================================== */ #ifndef __ToTape6_H #include "ToTape6.h" #endif void ToTape6::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) { float* in1 = inputs[0]; float* in2 = inputs[1]; float* out1 = outputs[0]; float* out2 = outputs[1]; double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); double inputgain = pow(10.0,((A-0.5)*24.0)/20.0); double SoftenControl = pow(B,2); double RollAmount = (1.0-(SoftenControl * 0.45))/overallscale; double HeadBumpControl = C * 0.25 * inputgain; double HeadBumpFreq = 0.12/overallscale; //[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 biquadAL[0] = biquadBL[0] = biquadAR[0] = biquadBR[0] = 0.007/overallscale; biquadAL[1] = biquadBL[1] = biquadAR[1] = biquadBR[1] = 0.0009; double K = tan(M_PI * biquadBR[0]); double norm = 1.0 / (1.0 + K / biquadBR[1] + K * K); biquadAL[2] = biquadBL[2] = biquadAR[2] = biquadBR[2] = K / biquadBR[1] * norm; biquadAL[4] = biquadBL[4] = biquadAR[4] = biquadBR[4] = -biquadBR[2]; biquadAL[5] = biquadBL[5] = biquadAR[5] = biquadBR[5] = 2.0 * (K * K - 1.0) * norm; biquadAL[6] = biquadBL[6] = biquadAR[6] = biquadBR[6] = (1.0 - K / biquadBR[1] + K * K) * norm; biquadCL[0] = biquadDL[0] = biquadCR[0] = biquadDR[0] = 0.032/overallscale; biquadCL[1] = biquadDL[1] = biquadCR[1] = biquadDR[1] = 0.0007; K = tan(M_PI * biquadDR[0]); norm = 1.0 / (1.0 + K / biquadDR[1] + K * K); biquadCL[2] = biquadDL[2] = biquadCR[2] = biquadDR[2] = K / biquadDR[1] * norm; biquadCL[4] = biquadDL[4] = biquadCR[4] = biquadDR[4] = -biquadDR[2]; biquadCL[5] = biquadDL[5] = biquadCR[5] = biquadDR[5] = 2.0 * (K * K - 1.0) * norm; biquadCL[6] = biquadDL[6] = biquadCR[6] = biquadDR[6] = (1.0 - K / biquadDR[1] + K * K) * norm; double depth = pow(D,2)*overallscale*70; double fluttertrim = (0.0024*pow(D,2))/overallscale; double outputgain = pow(10.0,((E-0.5)*24.0)/20.0); double refclip = 0.99; double softness = 0.618033988749894848204586; double wet = F; 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; double flutterrandy = fpd / (double)UINT32_MAX; //now we've got a random flutter, so we're messing with the pitch before tape effects go on if (gcount < 0 || gcount > 499) {gcount = 499;} dL[gcount] = inputSampleL; dR[gcount] = inputSampleR; int count = gcount; if (depth != 0.0) { long double offset = depth + (depth * pow(rateof,2) * sin(sweep)); count += (int)floor(offset); inputSampleL = (dL[count-((count > 499)?500:0)] * (1-(offset-floor(offset))) ); inputSampleR = (dR[count-((count > 499)?500:0)] * (1-(offset-floor(offset))) ); inputSampleL += (dL[count+1-((count+1 > 499)?500:0)] * (offset-floor(offset)) ); inputSampleR += (dR[count+1-((count+1 > 499)?500:0)] * (offset-floor(offset)) ); rateof = (rateof * (1.0-fluttertrim)) + (nextmax * fluttertrim); sweep += rateof * fluttertrim; if (sweep >= (M_PI*2.0)) { sweep -= M_PI; nextmax = 0.24 + (flutterrandy * 0.74); } //apply to input signal only when flutter is present, interpolate samples } gcount--; long double vibDrySampleL = inputSampleL; long double vibDrySampleR = inputSampleR; long double HighsSampleL = 0.0; long double HighsSampleR = 0.0; long double NonHighsSampleL = 0.0; long double NonHighsSampleR = 0.0; long double tempSample; if (flip) { iirMidRollerAL = (iirMidRollerAL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); iirMidRollerAR = (iirMidRollerAR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); HighsSampleL = inputSampleL - iirMidRollerAL; HighsSampleR = inputSampleR - iirMidRollerAR; NonHighsSampleL = iirMidRollerAL; NonHighsSampleR = iirMidRollerAR; iirHeadBumpAL += (inputSampleL * 0.05); iirHeadBumpAR += (inputSampleR * 0.05); iirHeadBumpAL -= (iirHeadBumpAL * iirHeadBumpAL * iirHeadBumpAL * HeadBumpFreq); iirHeadBumpAR -= (iirHeadBumpAR * iirHeadBumpAR * iirHeadBumpAR * HeadBumpFreq); iirHeadBumpAL = sin(iirHeadBumpAL); iirHeadBumpAR = sin(iirHeadBumpAR); tempSample = (iirHeadBumpAL * biquadAL[2]) + biquadAL[7]; biquadAL[7] = (iirHeadBumpAL * biquadAL[3]) - (tempSample * biquadAL[5]) + biquadAL[8]; biquadAL[8] = (iirHeadBumpAL * biquadAL[4]) - (tempSample * biquadAL[6]); iirHeadBumpAL = tempSample; //interleaved biquad if (iirHeadBumpAL > 1.0) iirHeadBumpAL = 1.0; if (iirHeadBumpAL < -1.0) iirHeadBumpAL = -1.0; iirHeadBumpAL = asin(iirHeadBumpAL); tempSample = (iirHeadBumpAR * biquadAR[2]) + biquadAR[7]; biquadAR[7] = (iirHeadBumpAR * biquadAR[3]) - (tempSample * biquadAR[5]) + biquadAR[8]; biquadAR[8] = (iirHeadBumpAR * biquadAR[4]) - (tempSample * biquadAR[6]); iirHeadBumpAR = tempSample; //interleaved biquad if (iirHeadBumpAR > 1.0) iirHeadBumpAR = 1.0; if (iirHeadBumpAR < -1.0) iirHeadBumpAR = -1.0; iirHeadBumpAR = asin(iirHeadBumpAR); inputSampleL = sin(inputSampleL); tempSample = (inputSampleL * biquadCL[2]) + biquadCL[7]; biquadCL[7] = (inputSampleL * biquadCL[3]) - (tempSample * biquadCL[5]) + biquadCL[8]; biquadCL[8] = (inputSampleL * biquadCL[4]) - (tempSample * biquadCL[6]); inputSampleL = tempSample; //interleaved biquad if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; inputSampleL = asin(inputSampleL); inputSampleR = sin(inputSampleR); tempSample = (inputSampleR * biquadCR[2]) + biquadCR[7]; biquadCR[7] = (inputSampleR * biquadCR[3]) - (tempSample * biquadCR[5]) + biquadCR[8]; biquadCR[8] = (inputSampleR * biquadCR[4]) - (tempSample * biquadCR[6]); inputSampleR = tempSample; //interleaved biquad if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; inputSampleR = asin(inputSampleR); } else { iirMidRollerBL = (iirMidRollerBL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); iirMidRollerBR = (iirMidRollerBR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); HighsSampleL = inputSampleL - iirMidRollerBL; HighsSampleR = inputSampleR - iirMidRollerBR; NonHighsSampleL = iirMidRollerBL; NonHighsSampleR = iirMidRollerBR; iirHeadBumpBL += (inputSampleL * 0.05); iirHeadBumpBR += (inputSampleR * 0.05); iirHeadBumpBL -= (iirHeadBumpBL * iirHeadBumpBL * iirHeadBumpBL * HeadBumpFreq); iirHeadBumpBR -= (iirHeadBumpBR * iirHeadBumpBR * iirHeadBumpBR * HeadBumpFreq); iirHeadBumpBL = sin(iirHeadBumpBL); iirHeadBumpBR = sin(iirHeadBumpBR); tempSample = (iirHeadBumpBL * biquadBL[2]) + biquadBL[7]; biquadBL[7] = (iirHeadBumpBL * biquadBL[3]) - (tempSample * biquadBL[5]) + biquadBL[8]; biquadBL[8] = (iirHeadBumpBL * biquadBL[4]) - (tempSample * biquadBL[6]); iirHeadBumpBL = tempSample; //interleaved biquad if (iirHeadBumpBL > 1.0) iirHeadBumpBL = 1.0; if (iirHeadBumpBL < -1.0) iirHeadBumpBL = -1.0; iirHeadBumpBL = asin(iirHeadBumpBL); tempSample = (iirHeadBumpBR * biquadBR[2]) + biquadBR[7]; biquadBR[7] = (iirHeadBumpBR * biquadBR[3]) - (tempSample * biquadBR[5]) + biquadBR[8]; biquadBR[8] = (iirHeadBumpBR * biquadBR[4]) - (tempSample * biquadBR[6]); iirHeadBumpBR = tempSample; //interleaved biquad if (iirHeadBumpBR > 1.0) iirHeadBumpBR = 1.0; if (iirHeadBumpBR < -1.0) iirHeadBumpBR = -1.0; iirHeadBumpBR = asin(iirHeadBumpBR); inputSampleL = sin(inputSampleL); tempSample = (inputSampleL * biquadDL[2]) + biquadDL[7]; biquadDL[7] = (inputSampleL * biquadDL[3]) - (tempSample * biquadDL[5]) + biquadDL[8]; biquadDL[8] = (inputSampleL * biquadDL[4]) - (tempSample * biquadDL[6]); inputSampleL = tempSample; //interleaved biquad if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; inputSampleL = asin(inputSampleL); inputSampleR = sin(inputSampleR); tempSample = (inputSampleR * biquadDR[2]) + biquadDR[7]; biquadDR[7] = (inputSampleR * biquadDR[3]) - (tempSample * biquadDR[5]) + biquadDR[8]; biquadDR[8] = (inputSampleR * biquadDR[4]) - (tempSample * biquadDR[6]); inputSampleR = tempSample; //interleaved biquad if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; inputSampleR = asin(inputSampleR); } flip = !flip; long double groundSampleL = vibDrySampleL - inputSampleL; //set up UnBox on fluttered audio long double groundSampleR = vibDrySampleR - inputSampleR; //set up UnBox on fluttered audio if (inputgain != 1.0) { inputSampleL *= inputgain; inputSampleR *= inputgain; } long double applySoften = fabs(HighsSampleL)*1.57079633; if (applySoften > 1.57079633) applySoften = 1.57079633; applySoften = 1-cos(applySoften); if (HighsSampleL > 0) inputSampleL -= applySoften; if (HighsSampleL < 0) inputSampleL += applySoften; //apply Soften depending on polarity applySoften = fabs(HighsSampleR)*1.57079633; if (applySoften > 1.57079633) applySoften = 1.57079633; applySoften = 1-cos(applySoften); if (HighsSampleR > 0) inputSampleR -= applySoften; if (HighsSampleR < 0) inputSampleR += applySoften; //apply Soften depending on polarity if (fabs(inputSampleL) < 0.0025) { iirHeadBumpAL *= 0.99; iirHeadBumpBL *= 0.99; } //restrain resonant quality of head bump algorithm inputSampleL += ((iirHeadBumpAL + iirHeadBumpBL) * HeadBumpControl); //apply Fatten. if (fabs(inputSampleR) < 0.0025) { iirHeadBumpAR *= 0.99; iirHeadBumpBR *= 0.99; } //restrain resonant quality of head bump algorithm inputSampleR += ((iirHeadBumpAR + iirHeadBumpBR) * HeadBumpControl); //apply Fatten. if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; long double mojo; mojo = pow(fabs(inputSampleL),0.25); if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo); //mojo is the one that flattens WAAAAY out very softly before wavefolding if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; mojo = pow(fabs(inputSampleR),0.25); if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo); //mojo is the one that flattens WAAAAY out very softly before wavefolding inputSampleL += groundSampleL; //apply UnBox processing inputSampleR += groundSampleR; //apply UnBox processing if (outputgain != 1.0) { inputSampleL *= outputgain; inputSampleR *= outputgain; } if (lastSampleL >= refclip) { if (inputSampleL < refclip) lastSampleL = ((refclip*softness) + (inputSampleL * (1.0-softness))); else lastSampleL = refclip; } if (lastSampleL <= -refclip) { if (inputSampleL > -refclip) lastSampleL = ((-refclip*softness) + (inputSampleL * (1.0-softness))); else lastSampleL = -refclip; } if (inputSampleL > refclip) { if (lastSampleL < refclip) inputSampleL = ((refclip*softness) + (lastSampleL * (1.0-softness))); else inputSampleL = refclip; } if (inputSampleL < -refclip) { if (lastSampleL > -refclip) inputSampleL = ((-refclip*softness) + (lastSampleL * (1.0-softness))); else inputSampleL = -refclip; } lastSampleL = inputSampleL; //end ADClip L if (lastSampleR >= refclip) { if (inputSampleR < refclip) lastSampleR = ((refclip*softness) + (inputSampleR * (1.0-softness))); else lastSampleR = refclip; } if (lastSampleR <= -refclip) { if (inputSampleR > -refclip) lastSampleR = ((-refclip*softness) + (inputSampleR * (1.0-softness))); else lastSampleR = -refclip; } if (inputSampleR > refclip) { if (lastSampleR < refclip) inputSampleR = ((refclip*softness) + (lastSampleR * (1.0-softness))); else inputSampleR = refclip; } if (inputSampleR < -refclip) { if (lastSampleR > -refclip) inputSampleR = ((-refclip*softness) + (lastSampleR * (1.0-softness))); else inputSampleR = -refclip; } lastSampleR = inputSampleR; //end ADClip R if (inputSampleL > refclip) inputSampleL = refclip; if (inputSampleL < -refclip) inputSampleL = -refclip; //final iron bar if (inputSampleR > refclip) inputSampleR = refclip; if (inputSampleR < -refclip) inputSampleR = -refclip; //final iron bar 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 ToTape6::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) { double* in1 = inputs[0]; double* in2 = inputs[1]; double* out1 = outputs[0]; double* out2 = outputs[1]; double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); double inputgain = pow(10.0,((A-0.5)*24.0)/20.0); double SoftenControl = pow(B,2); double RollAmount = (1.0-(SoftenControl * 0.45))/overallscale; double HeadBumpControl = C * 0.25 * inputgain; double HeadBumpFreq = 0.12/overallscale; //[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 biquadAL[0] = biquadBL[0] = biquadAR[0] = biquadBR[0] = 0.007/overallscale; biquadAL[1] = biquadBL[1] = biquadAR[1] = biquadBR[1] = 0.0009; double K = tan(M_PI * biquadBR[0]); double norm = 1.0 / (1.0 + K / biquadBR[1] + K * K); biquadAL[2] = biquadBL[2] = biquadAR[2] = biquadBR[2] = K / biquadBR[1] * norm; biquadAL[4] = biquadBL[4] = biquadAR[4] = biquadBR[4] = -biquadBR[2]; biquadAL[5] = biquadBL[5] = biquadAR[5] = biquadBR[5] = 2.0 * (K * K - 1.0) * norm; biquadAL[6] = biquadBL[6] = biquadAR[6] = biquadBR[6] = (1.0 - K / biquadBR[1] + K * K) * norm; biquadCL[0] = biquadDL[0] = biquadCR[0] = biquadDR[0] = 0.032/overallscale; biquadCL[1] = biquadDL[1] = biquadCR[1] = biquadDR[1] = 0.0007; K = tan(M_PI * biquadDR[0]); norm = 1.0 / (1.0 + K / biquadDR[1] + K * K); biquadCL[2] = biquadDL[2] = biquadCR[2] = biquadDR[2] = K / biquadDR[1] * norm; biquadCL[4] = biquadDL[4] = biquadCR[4] = biquadDR[4] = -biquadDR[2]; biquadCL[5] = biquadDL[5] = biquadCR[5] = biquadDR[5] = 2.0 * (K * K - 1.0) * norm; biquadCL[6] = biquadDL[6] = biquadCR[6] = biquadDR[6] = (1.0 - K / biquadDR[1] + K * K) * norm; double depth = pow(D,2)*overallscale*70; double fluttertrim = (0.0024*pow(D,2))/overallscale; double outputgain = pow(10.0,((E-0.5)*24.0)/20.0); double refclip = 0.99; double softness = 0.618033988749894848204586; double wet = F; 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; double flutterrandy = fpd / (double)UINT32_MAX; //now we've got a random flutter, so we're messing with the pitch before tape effects go on if (gcount < 0 || gcount > 499) {gcount = 499;} dL[gcount] = inputSampleL; dR[gcount] = inputSampleR; int count = gcount; if (depth != 0.0) { long double offset = depth + (depth * pow(rateof,2) * sin(sweep)); count += (int)floor(offset); inputSampleL = (dL[count-((count > 499)?500:0)] * (1-(offset-floor(offset))) ); inputSampleR = (dR[count-((count > 499)?500:0)] * (1-(offset-floor(offset))) ); inputSampleL += (dL[count+1-((count+1 > 499)?500:0)] * (offset-floor(offset)) ); inputSampleR += (dR[count+1-((count+1 > 499)?500:0)] * (offset-floor(offset)) ); rateof = (rateof * (1.0-fluttertrim)) + (nextmax * fluttertrim); sweep += rateof * fluttertrim; if (sweep >= (M_PI*2.0)) { sweep -= M_PI; nextmax = 0.24 + (flutterrandy * 0.74); } //apply to input signal only when flutter is present, interpolate samples } gcount--; long double vibDrySampleL = inputSampleL; long double vibDrySampleR = inputSampleR; long double HighsSampleL = 0.0; long double HighsSampleR = 0.0; long double NonHighsSampleL = 0.0; long double NonHighsSampleR = 0.0; long double tempSample; if (flip) { iirMidRollerAL = (iirMidRollerAL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); iirMidRollerAR = (iirMidRollerAR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); HighsSampleL = inputSampleL - iirMidRollerAL; HighsSampleR = inputSampleR - iirMidRollerAR; NonHighsSampleL = iirMidRollerAL; NonHighsSampleR = iirMidRollerAR; iirHeadBumpAL += (inputSampleL * 0.05); iirHeadBumpAR += (inputSampleR * 0.05); iirHeadBumpAL -= (iirHeadBumpAL * iirHeadBumpAL * iirHeadBumpAL * HeadBumpFreq); iirHeadBumpAR -= (iirHeadBumpAR * iirHeadBumpAR * iirHeadBumpAR * HeadBumpFreq); iirHeadBumpAL = sin(iirHeadBumpAL); iirHeadBumpAR = sin(iirHeadBumpAR); tempSample = (iirHeadBumpAL * biquadAL[2]) + biquadAL[7]; biquadAL[7] = (iirHeadBumpAL * biquadAL[3]) - (tempSample * biquadAL[5]) + biquadAL[8]; biquadAL[8] = (iirHeadBumpAL * biquadAL[4]) - (tempSample * biquadAL[6]); iirHeadBumpAL = tempSample; //interleaved biquad if (iirHeadBumpAL > 1.0) iirHeadBumpAL = 1.0; if (iirHeadBumpAL < -1.0) iirHeadBumpAL = -1.0; iirHeadBumpAL = asin(iirHeadBumpAL); tempSample = (iirHeadBumpAR * biquadAR[2]) + biquadAR[7]; biquadAR[7] = (iirHeadBumpAR * biquadAR[3]) - (tempSample * biquadAR[5]) + biquadAR[8]; biquadAR[8] = (iirHeadBumpAR * biquadAR[4]) - (tempSample * biquadAR[6]); iirHeadBumpAR = tempSample; //interleaved biquad if (iirHeadBumpAR > 1.0) iirHeadBumpAR = 1.0; if (iirHeadBumpAR < -1.0) iirHeadBumpAR = -1.0; iirHeadBumpAR = asin(iirHeadBumpAR); inputSampleL = sin(inputSampleL); tempSample = (inputSampleL * biquadCL[2]) + biquadCL[7]; biquadCL[7] = (inputSampleL * biquadCL[3]) - (tempSample * biquadCL[5]) + biquadCL[8]; biquadCL[8] = (inputSampleL * biquadCL[4]) - (tempSample * biquadCL[6]); inputSampleL = tempSample; //interleaved biquad if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; inputSampleL = asin(inputSampleL); inputSampleR = sin(inputSampleR); tempSample = (inputSampleR * biquadCR[2]) + biquadCR[7]; biquadCR[7] = (inputSampleR * biquadCR[3]) - (tempSample * biquadCR[5]) + biquadCR[8]; biquadCR[8] = (inputSampleR * biquadCR[4]) - (tempSample * biquadCR[6]); inputSampleR = tempSample; //interleaved biquad if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; inputSampleR = asin(inputSampleR); } else { iirMidRollerBL = (iirMidRollerBL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); iirMidRollerBR = (iirMidRollerBR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); HighsSampleL = inputSampleL - iirMidRollerBL; HighsSampleR = inputSampleR - iirMidRollerBR; NonHighsSampleL = iirMidRollerBL; NonHighsSampleR = iirMidRollerBR; iirHeadBumpBL += (inputSampleL * 0.05); iirHeadBumpBR += (inputSampleR * 0.05); iirHeadBumpBL -= (iirHeadBumpBL * iirHeadBumpBL * iirHeadBumpBL * HeadBumpFreq); iirHeadBumpBR -= (iirHeadBumpBR * iirHeadBumpBR * iirHeadBumpBR * HeadBumpFreq); iirHeadBumpBL = sin(iirHeadBumpBL); iirHeadBumpBR = sin(iirHeadBumpBR); tempSample = (iirHeadBumpBL * biquadBL[2]) + biquadBL[7]; biquadBL[7] = (iirHeadBumpBL * biquadBL[3]) - (tempSample * biquadBL[5]) + biquadBL[8]; biquadBL[8] = (iirHeadBumpBL * biquadBL[4]) - (tempSample * biquadBL[6]); iirHeadBumpBL = tempSample; //interleaved biquad if (iirHeadBumpBL > 1.0) iirHeadBumpBL = 1.0; if (iirHeadBumpBL < -1.0) iirHeadBumpBL = -1.0; iirHeadBumpBL = asin(iirHeadBumpBL); tempSample = (iirHeadBumpBR * biquadBR[2]) + biquadBR[7]; biquadBR[7] = (iirHeadBumpBR * biquadBR[3]) - (tempSample * biquadBR[5]) + biquadBR[8]; biquadBR[8] = (iirHeadBumpBR * biquadBR[4]) - (tempSample * biquadBR[6]); iirHeadBumpBR = tempSample; //interleaved biquad if (iirHeadBumpBR > 1.0) iirHeadBumpBR = 1.0; if (iirHeadBumpBR < -1.0) iirHeadBumpBR = -1.0; iirHeadBumpBR = asin(iirHeadBumpBR); inputSampleL = sin(inputSampleL); tempSample = (inputSampleL * biquadDL[2]) + biquadDL[7]; biquadDL[7] = (inputSampleL * biquadDL[3]) - (tempSample * biquadDL[5]) + biquadDL[8]; biquadDL[8] = (inputSampleL * biquadDL[4]) - (tempSample * biquadDL[6]); inputSampleL = tempSample; //interleaved biquad if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; inputSampleL = asin(inputSampleL); inputSampleR = sin(inputSampleR); tempSample = (inputSampleR * biquadDR[2]) + biquadDR[7]; biquadDR[7] = (inputSampleR * biquadDR[3]) - (tempSample * biquadDR[5]) + biquadDR[8]; biquadDR[8] = (inputSampleR * biquadDR[4]) - (tempSample * biquadDR[6]); inputSampleR = tempSample; //interleaved biquad if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; inputSampleR = asin(inputSampleR); } flip = !flip; long double groundSampleL = vibDrySampleL - inputSampleL; //set up UnBox on fluttered audio long double groundSampleR = vibDrySampleR - inputSampleR; //set up UnBox on fluttered audio if (inputgain != 1.0) { inputSampleL *= inputgain; inputSampleR *= inputgain; } long double applySoften = fabs(HighsSampleL)*1.57079633; if (applySoften > 1.57079633) applySoften = 1.57079633; applySoften = 1-cos(applySoften); if (HighsSampleL > 0) inputSampleL -= applySoften; if (HighsSampleL < 0) inputSampleL += applySoften; //apply Soften depending on polarity applySoften = fabs(HighsSampleR)*1.57079633; if (applySoften > 1.57079633) applySoften = 1.57079633; applySoften = 1-cos(applySoften); if (HighsSampleR > 0) inputSampleR -= applySoften; if (HighsSampleR < 0) inputSampleR += applySoften; //apply Soften depending on polarity if (fabs(inputSampleL) < 0.0025) { iirHeadBumpAL *= 0.99; iirHeadBumpBL *= 0.99; } //restrain resonant quality of head bump algorithm inputSampleL += ((iirHeadBumpAL + iirHeadBumpBL) * HeadBumpControl); //apply Fatten. if (fabs(inputSampleR) < 0.0025) { iirHeadBumpAR *= 0.99; iirHeadBumpBR *= 0.99; } //restrain resonant quality of head bump algorithm inputSampleR += ((iirHeadBumpAR + iirHeadBumpBR) * HeadBumpControl); //apply Fatten. if (inputSampleL > 1.0) inputSampleL = 1.0; if (inputSampleL < -1.0) inputSampleL = -1.0; long double mojo; mojo = pow(fabs(inputSampleL),0.25); if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo); //mojo is the one that flattens WAAAAY out very softly before wavefolding if (inputSampleR > 1.0) inputSampleR = 1.0; if (inputSampleR < -1.0) inputSampleR = -1.0; mojo = pow(fabs(inputSampleR),0.25); if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo); //mojo is the one that flattens WAAAAY out very softly before wavefolding inputSampleL += groundSampleL; //apply UnBox processing inputSampleR += groundSampleR; //apply UnBox processing if (outputgain != 1.0) { inputSampleL *= outputgain; inputSampleR *= outputgain; } if (lastSampleL >= refclip) { if (inputSampleL < refclip) lastSampleL = ((refclip*softness) + (inputSampleL * (1.0-softness))); else lastSampleL = refclip; } if (lastSampleL <= -refclip) { if (inputSampleL > -refclip) lastSampleL = ((-refclip*softness) + (inputSampleL * (1.0-softness))); else lastSampleL = -refclip; } if (inputSampleL > refclip) { if (lastSampleL < refclip) inputSampleL = ((refclip*softness) + (lastSampleL * (1.0-softness))); else inputSampleL = refclip; } if (inputSampleL < -refclip) { if (lastSampleL > -refclip) inputSampleL = ((-refclip*softness) + (lastSampleL * (1.0-softness))); else inputSampleL = -refclip; } lastSampleL = inputSampleL; //end ADClip L if (lastSampleR >= refclip) { if (inputSampleR < refclip) lastSampleR = ((refclip*softness) + (inputSampleR * (1.0-softness))); else lastSampleR = refclip; } if (lastSampleR <= -refclip) { if (inputSampleR > -refclip) lastSampleR = ((-refclip*softness) + (inputSampleR * (1.0-softness))); else lastSampleR = -refclip; } if (inputSampleR > refclip) { if (lastSampleR < refclip) inputSampleR = ((refclip*softness) + (lastSampleR * (1.0-softness))); else inputSampleR = refclip; } if (inputSampleR < -refclip) { if (lastSampleR > -refclip) inputSampleR = ((-refclip*softness) + (lastSampleR * (1.0-softness))); else inputSampleR = -refclip; } lastSampleR = inputSampleR; //end ADClip R if (inputSampleL > refclip) inputSampleL = refclip; if (inputSampleL < -refclip) inputSampleL = -refclip; //final iron bar if (inputSampleR > refclip) inputSampleR = refclip; if (inputSampleR < -refclip) inputSampleR = -refclip; //final iron bar 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++; } }