diff options
Diffstat (limited to 'plugins/LinuxVST/src/Calibre/CalibreProc.cpp')
| -rwxr-xr-x | plugins/LinuxVST/src/Calibre/CalibreProc.cpp | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/Calibre/CalibreProc.cpp b/plugins/LinuxVST/src/Calibre/CalibreProc.cpp new file mode 100755 index 0000000..a7d6cd0 --- /dev/null +++ b/plugins/LinuxVST/src/Calibre/CalibreProc.cpp @@ -0,0 +1,370 @@ +/* ======================================== + * Calibre - Calibre.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Calibre_H +#include "Calibre.h" +#endif + +void Calibre::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double threshold = A; + double hardness; + double breakup = (1.0-(threshold/2.0))*3.14159265358979; + double bridgerectifier; + double sqdrive = (B*3.0); + if (sqdrive > 1.0) sqdrive *= sqdrive; + sqdrive = sqrt(sqdrive); + double indrive = C*3.0; + if (indrive > 1.0) indrive *= indrive; + indrive *= (1.0+(0.1935*sqdrive)); + //correct for gain loss of convolution + //calibrate this to match noise level with character at 1.0 + //you get for instance 0.819 and 1.0-0.819 is 0.181 + double randy; + double outlevel = D; + + if (threshold < 1) hardness = 1.0 / (1.0-threshold); + else hardness = 999999999999999999999.0; + //set up hardness to exactly fill gap between threshold and 0db + //if threshold is literally 1 then hardness is infinite, so we make it very big + + 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; + + inputSampleL *= indrive; + inputSampleR *= indrive; + //calibrated to match gain through convolution and -0.3 correction + + + if (sqdrive > 0.0){ + bL[33] = bL[32]; bL[32] = bL[31]; + bL[31] = bL[30]; bL[30] = bL[29]; bL[29] = bL[28]; bL[28] = bL[27]; bL[27] = bL[26]; bL[26] = bL[25]; bL[25] = bL[24]; bL[24] = bL[23]; + bL[23] = bL[22]; bL[22] = bL[21]; bL[21] = bL[20]; bL[20] = bL[19]; bL[19] = bL[18]; bL[18] = bL[17]; bL[17] = bL[16]; bL[16] = bL[15]; + bL[15] = bL[14]; bL[14] = bL[13]; bL[13] = bL[12]; bL[12] = bL[11]; bL[11] = bL[10]; bL[10] = bL[9]; bL[9] = bL[8]; bL[8] = bL[7]; + bL[7] = bL[6]; bL[6] = bL[5]; bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1]; bL[1] = bL[0]; bL[0] = inputSampleL * sqdrive; + + + inputSampleL -= (bL[1] * (0.23505923670562212 - (0.00028312859289245*fabs(bL[1])))); + inputSampleL += (bL[2] * (0.08188436704577637 - (0.00008817721351341*fabs(bL[2])))); + inputSampleL -= (bL[3] * (0.05075798481700617 - (0.00018817166632483*fabs(bL[3])))); + inputSampleL -= (bL[4] * (0.00455811821873093 + (0.00001922902995296*fabs(bL[4])))); + inputSampleL -= (bL[5] * (0.00027610521433660 - (0.00013252525469291*fabs(bL[5])))); + inputSampleL -= (bL[6] * (0.03529246280346626 - (0.00002772989223299*fabs(bL[6])))); + inputSampleL += (bL[7] * (0.01784111585586136 + (0.00010230276997291*fabs(bL[7])))); + inputSampleL -= (bL[8] * (0.04394950700298298 - (0.00005910607126944*fabs(bL[8])))); + inputSampleL += (bL[9] * (0.01990770780547606 + (0.00007640328340556*fabs(bL[9])))); + inputSampleL -= (bL[10] * (0.04073629569741782 - (0.00007712327117090*fabs(bL[10])))); + inputSampleL += (bL[11] * (0.01349648572795252 + (0.00005959130575917*fabs(bL[11])))); + inputSampleL -= (bL[12] * (0.03191590248003717 - (0.00008418000575151*fabs(bL[12])))); + inputSampleL += (bL[13] * (0.00348795527924766 + (0.00005489156318238*fabs(bL[13])))); + inputSampleL -= (bL[14] * (0.02198496281481767 - (0.00008471601187581*fabs(bL[14])))); + inputSampleL -= (bL[15] * (0.00504771152505089 - (0.00005525060587917*fabs(bL[15])))); + inputSampleL -= (bL[16] * (0.01391075698598491 - (0.00007929630732607*fabs(bL[16])))); + inputSampleL -= (bL[17] * (0.01142762504081717 - (0.00005967036737742*fabs(bL[17])))); + inputSampleL -= (bL[18] * (0.00893541815021255 - (0.00007535697758141*fabs(bL[18])))); + inputSampleL -= (bL[19] * (0.01459704973464936 - (0.00005969199602841*fabs(bL[19])))); + inputSampleL -= (bL[20] * (0.00694755135226282 - (0.00006930127097865*fabs(bL[20])))); + inputSampleL -= (bL[21] * (0.01516695630808575 - (0.00006365800069826*fabs(bL[21])))); + inputSampleL -= (bL[22] * (0.00705917318113651 - (0.00006497209096539*fabs(bL[22])))); + inputSampleL -= (bL[23] * (0.01420501209177591 - (0.00006555654576113*fabs(bL[23])))); + inputSampleL -= (bL[24] * (0.00815905656808701 - (0.00006105622534761*fabs(bL[24])))); + inputSampleL -= (bL[25] * (0.01274326525552961 - (0.00006542652857017*fabs(bL[25])))); + inputSampleL -= (bL[26] * (0.00937146927845488 - (0.00006051267868722*fabs(bL[26])))); + inputSampleL -= (bL[27] * (0.01146573981165209 - (0.00006381511607749*fabs(bL[27])))); + inputSampleL -= (bL[28] * (0.01021294359409007 - (0.00005930397856398*fabs(bL[28])))); + inputSampleL -= (bL[29] * (0.01065217095323532 - (0.00006371505438319*fabs(bL[29])))); + inputSampleL -= (bL[30] * (0.01058751196699751 - (0.00006042857480233*fabs(bL[30])))); + inputSampleL -= (bL[31] * (0.01026557827762401 - (0.00006007776163871*fabs(bL[31])))); + inputSampleL -= (bL[32] * (0.01060929183604604 - (0.00006114703012726*fabs(bL[32])))); + inputSampleL -= (bL[33] * (0.01014533525058528 - (0.00005963567932887*fabs(bL[33])))); + //we apply the first samples of the Neve impulse- dynamically adjusted. + + bR[33] = bR[32]; bR[32] = bR[31]; + bR[31] = bR[30]; bR[30] = bR[29]; bR[29] = bR[28]; bR[28] = bR[27]; bR[27] = bR[26]; bR[26] = bR[25]; bR[25] = bR[24]; bR[24] = bR[23]; + bR[23] = bR[22]; bR[22] = bR[21]; bR[21] = bR[20]; bR[20] = bR[19]; bR[19] = bR[18]; bR[18] = bR[17]; bR[17] = bR[16]; bR[16] = bR[15]; + bR[15] = bR[14]; bR[14] = bR[13]; bR[13] = bR[12]; bR[12] = bR[11]; bR[11] = bR[10]; bR[10] = bR[9]; bR[9] = bR[8]; bR[8] = bR[7]; + bR[7] = bR[6]; bR[6] = bR[5]; bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1]; bR[1] = bR[0]; bR[0] = inputSampleR * sqdrive; + + inputSampleR -= (bR[1] * (0.23505923670562212 - (0.00028312859289245*fabs(bR[1])))); + inputSampleR += (bR[2] * (0.08188436704577637 - (0.00008817721351341*fabs(bR[2])))); + inputSampleR -= (bR[3] * (0.05075798481700617 - (0.00018817166632483*fabs(bR[3])))); + inputSampleR -= (bR[4] * (0.00455811821873093 + (0.00001922902995296*fabs(bR[4])))); + inputSampleR -= (bR[5] * (0.00027610521433660 - (0.00013252525469291*fabs(bR[5])))); + inputSampleR -= (bR[6] * (0.03529246280346626 - (0.00002772989223299*fabs(bR[6])))); + inputSampleR += (bR[7] * (0.01784111585586136 + (0.00010230276997291*fabs(bR[7])))); + inputSampleR -= (bR[8] * (0.04394950700298298 - (0.00005910607126944*fabs(bR[8])))); + inputSampleR += (bR[9] * (0.01990770780547606 + (0.00007640328340556*fabs(bR[9])))); + inputSampleR -= (bR[10] * (0.04073629569741782 - (0.00007712327117090*fabs(bR[10])))); + inputSampleR += (bR[11] * (0.01349648572795252 + (0.00005959130575917*fabs(bR[11])))); + inputSampleR -= (bR[12] * (0.03191590248003717 - (0.00008418000575151*fabs(bR[12])))); + inputSampleR += (bR[13] * (0.00348795527924766 + (0.00005489156318238*fabs(bR[13])))); + inputSampleR -= (bR[14] * (0.02198496281481767 - (0.00008471601187581*fabs(bR[14])))); + inputSampleR -= (bR[15] * (0.00504771152505089 - (0.00005525060587917*fabs(bR[15])))); + inputSampleR -= (bR[16] * (0.01391075698598491 - (0.00007929630732607*fabs(bR[16])))); + inputSampleR -= (bR[17] * (0.01142762504081717 - (0.00005967036737742*fabs(bR[17])))); + inputSampleR -= (bR[18] * (0.00893541815021255 - (0.00007535697758141*fabs(bR[18])))); + inputSampleR -= (bR[19] * (0.01459704973464936 - (0.00005969199602841*fabs(bR[19])))); + inputSampleR -= (bR[20] * (0.00694755135226282 - (0.00006930127097865*fabs(bR[20])))); + inputSampleR -= (bR[21] * (0.01516695630808575 - (0.00006365800069826*fabs(bR[21])))); + inputSampleR -= (bR[22] * (0.00705917318113651 - (0.00006497209096539*fabs(bR[22])))); + inputSampleR -= (bR[23] * (0.01420501209177591 - (0.00006555654576113*fabs(bR[23])))); + inputSampleR -= (bR[24] * (0.00815905656808701 - (0.00006105622534761*fabs(bR[24])))); + inputSampleR -= (bR[25] * (0.01274326525552961 - (0.00006542652857017*fabs(bR[25])))); + inputSampleR -= (bR[26] * (0.00937146927845488 - (0.00006051267868722*fabs(bR[26])))); + inputSampleR -= (bR[27] * (0.01146573981165209 - (0.00006381511607749*fabs(bR[27])))); + inputSampleR -= (bR[28] * (0.01021294359409007 - (0.00005930397856398*fabs(bR[28])))); + inputSampleR -= (bR[29] * (0.01065217095323532 - (0.00006371505438319*fabs(bR[29])))); + inputSampleR -= (bR[30] * (0.01058751196699751 - (0.00006042857480233*fabs(bR[30])))); + inputSampleR -= (bR[31] * (0.01026557827762401 - (0.00006007776163871*fabs(bR[31])))); + inputSampleR -= (bR[32] * (0.01060929183604604 - (0.00006114703012726*fabs(bR[32])))); + inputSampleR -= (bR[33] * (0.01014533525058528 - (0.00005963567932887*fabs(bR[33])))); + //we apply the first samples of the impulse- dynamically adjusted. + } + + if (fabs(inputSampleL) > threshold) + { + bridgerectifier = (fabs(inputSampleL)-threshold)*hardness; + //skip flat area if any, scale to distortion limit + if (bridgerectifier > breakup) bridgerectifier = breakup; + //max value for sine function, 'breakup' modeling for trashed console tone + //more hardness = more solidness behind breakup modeling. more softness, more 'grunge' and sag + bridgerectifier = sin(bridgerectifier)/hardness; + //do the sine factor, scale back to proper amount + if (inputSampleL > 0) inputSampleL = bridgerectifier+threshold; + else inputSampleL = -(bridgerectifier+threshold); + } + //otherwise we leave it untouched by the overdrive stuff + if (fabs(inputSampleR) > threshold) + { + bridgerectifier = (fabs(inputSampleR)-threshold)*hardness; + //skip flat area if any, scale to distortion limit + if (bridgerectifier > breakup) bridgerectifier = breakup; + //max value for sine function, 'breakup' modeling for trashed console tone + //more hardness = more solidness behind breakup modeling. more softness, more 'grunge' and sag + bridgerectifier = sin(bridgerectifier)/hardness; + //do the sine factor, scale back to proper amount + if (inputSampleR > 0) inputSampleR = bridgerectifier+threshold; + else inputSampleR = -(bridgerectifier+threshold); + } + //otherwise we leave it untouched by the overdrive stuff + + + randy = ((rand()/(double)RAND_MAX)*0.042); + inputSampleL = ((inputSampleL*(1-randy))+(lastSampleL*randy)) * outlevel; + lastSampleL = inputSampleL; + + randy = ((rand()/(double)RAND_MAX)*0.042); + inputSampleR = ((inputSampleR*(1-randy))+(lastSampleR*randy)) * outlevel; + lastSampleR = inputSampleR; + + + //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 Calibre::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double threshold = A; + double hardness; + double breakup = (1.0-(threshold/2.0))*3.14159265358979; + double bridgerectifier; + double sqdrive = (B*3.0); + if (sqdrive > 1.0) sqdrive *= sqdrive; + sqdrive = sqrt(sqdrive); + double indrive = C*3.0; + if (indrive > 1.0) indrive *= indrive; + indrive *= (1.0+(0.1935*sqdrive)); + //correct for gain loss of convolution + //calibrate this to match noise level with character at 1.0 + //you get for instance 0.819 and 1.0-0.819 is 0.181 + double randy; + double outlevel = D; + + if (threshold < 1) hardness = 1.0 / (1.0-threshold); + else hardness = 999999999999999999999.0; + //set up hardness to exactly fill gap between threshold and 0db + //if threshold is literally 1 then hardness is infinite, so we make it very big + + 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; + + inputSampleL *= indrive; + inputSampleR *= indrive; + //calibrated to match gain through convolution and -0.3 correction + + + if (sqdrive > 0.0){ + bL[33] = bL[32]; bL[32] = bL[31]; + bL[31] = bL[30]; bL[30] = bL[29]; bL[29] = bL[28]; bL[28] = bL[27]; bL[27] = bL[26]; bL[26] = bL[25]; bL[25] = bL[24]; bL[24] = bL[23]; + bL[23] = bL[22]; bL[22] = bL[21]; bL[21] = bL[20]; bL[20] = bL[19]; bL[19] = bL[18]; bL[18] = bL[17]; bL[17] = bL[16]; bL[16] = bL[15]; + bL[15] = bL[14]; bL[14] = bL[13]; bL[13] = bL[12]; bL[12] = bL[11]; bL[11] = bL[10]; bL[10] = bL[9]; bL[9] = bL[8]; bL[8] = bL[7]; + bL[7] = bL[6]; bL[6] = bL[5]; bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1]; bL[1] = bL[0]; bL[0] = inputSampleL * sqdrive; + + + inputSampleL -= (bL[1] * (0.23505923670562212 - (0.00028312859289245*fabs(bL[1])))); + inputSampleL += (bL[2] * (0.08188436704577637 - (0.00008817721351341*fabs(bL[2])))); + inputSampleL -= (bL[3] * (0.05075798481700617 - (0.00018817166632483*fabs(bL[3])))); + inputSampleL -= (bL[4] * (0.00455811821873093 + (0.00001922902995296*fabs(bL[4])))); + inputSampleL -= (bL[5] * (0.00027610521433660 - (0.00013252525469291*fabs(bL[5])))); + inputSampleL -= (bL[6] * (0.03529246280346626 - (0.00002772989223299*fabs(bL[6])))); + inputSampleL += (bL[7] * (0.01784111585586136 + (0.00010230276997291*fabs(bL[7])))); + inputSampleL -= (bL[8] * (0.04394950700298298 - (0.00005910607126944*fabs(bL[8])))); + inputSampleL += (bL[9] * (0.01990770780547606 + (0.00007640328340556*fabs(bL[9])))); + inputSampleL -= (bL[10] * (0.04073629569741782 - (0.00007712327117090*fabs(bL[10])))); + inputSampleL += (bL[11] * (0.01349648572795252 + (0.00005959130575917*fabs(bL[11])))); + inputSampleL -= (bL[12] * (0.03191590248003717 - (0.00008418000575151*fabs(bL[12])))); + inputSampleL += (bL[13] * (0.00348795527924766 + (0.00005489156318238*fabs(bL[13])))); + inputSampleL -= (bL[14] * (0.02198496281481767 - (0.00008471601187581*fabs(bL[14])))); + inputSampleL -= (bL[15] * (0.00504771152505089 - (0.00005525060587917*fabs(bL[15])))); + inputSampleL -= (bL[16] * (0.01391075698598491 - (0.00007929630732607*fabs(bL[16])))); + inputSampleL -= (bL[17] * (0.01142762504081717 - (0.00005967036737742*fabs(bL[17])))); + inputSampleL -= (bL[18] * (0.00893541815021255 - (0.00007535697758141*fabs(bL[18])))); + inputSampleL -= (bL[19] * (0.01459704973464936 - (0.00005969199602841*fabs(bL[19])))); + inputSampleL -= (bL[20] * (0.00694755135226282 - (0.00006930127097865*fabs(bL[20])))); + inputSampleL -= (bL[21] * (0.01516695630808575 - (0.00006365800069826*fabs(bL[21])))); + inputSampleL -= (bL[22] * (0.00705917318113651 - (0.00006497209096539*fabs(bL[22])))); + inputSampleL -= (bL[23] * (0.01420501209177591 - (0.00006555654576113*fabs(bL[23])))); + inputSampleL -= (bL[24] * (0.00815905656808701 - (0.00006105622534761*fabs(bL[24])))); + inputSampleL -= (bL[25] * (0.01274326525552961 - (0.00006542652857017*fabs(bL[25])))); + inputSampleL -= (bL[26] * (0.00937146927845488 - (0.00006051267868722*fabs(bL[26])))); + inputSampleL -= (bL[27] * (0.01146573981165209 - (0.00006381511607749*fabs(bL[27])))); + inputSampleL -= (bL[28] * (0.01021294359409007 - (0.00005930397856398*fabs(bL[28])))); + inputSampleL -= (bL[29] * (0.01065217095323532 - (0.00006371505438319*fabs(bL[29])))); + inputSampleL -= (bL[30] * (0.01058751196699751 - (0.00006042857480233*fabs(bL[30])))); + inputSampleL -= (bL[31] * (0.01026557827762401 - (0.00006007776163871*fabs(bL[31])))); + inputSampleL -= (bL[32] * (0.01060929183604604 - (0.00006114703012726*fabs(bL[32])))); + inputSampleL -= (bL[33] * (0.01014533525058528 - (0.00005963567932887*fabs(bL[33])))); + //we apply the first samples of the Neve impulse- dynamically adjusted. + + bR[33] = bR[32]; bR[32] = bR[31]; + bR[31] = bR[30]; bR[30] = bR[29]; bR[29] = bR[28]; bR[28] = bR[27]; bR[27] = bR[26]; bR[26] = bR[25]; bR[25] = bR[24]; bR[24] = bR[23]; + bR[23] = bR[22]; bR[22] = bR[21]; bR[21] = bR[20]; bR[20] = bR[19]; bR[19] = bR[18]; bR[18] = bR[17]; bR[17] = bR[16]; bR[16] = bR[15]; + bR[15] = bR[14]; bR[14] = bR[13]; bR[13] = bR[12]; bR[12] = bR[11]; bR[11] = bR[10]; bR[10] = bR[9]; bR[9] = bR[8]; bR[8] = bR[7]; + bR[7] = bR[6]; bR[6] = bR[5]; bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1]; bR[1] = bR[0]; bR[0] = inputSampleR * sqdrive; + + inputSampleR -= (bR[1] * (0.23505923670562212 - (0.00028312859289245*fabs(bR[1])))); + inputSampleR += (bR[2] * (0.08188436704577637 - (0.00008817721351341*fabs(bR[2])))); + inputSampleR -= (bR[3] * (0.05075798481700617 - (0.00018817166632483*fabs(bR[3])))); + inputSampleR -= (bR[4] * (0.00455811821873093 + (0.00001922902995296*fabs(bR[4])))); + inputSampleR -= (bR[5] * (0.00027610521433660 - (0.00013252525469291*fabs(bR[5])))); + inputSampleR -= (bR[6] * (0.03529246280346626 - (0.00002772989223299*fabs(bR[6])))); + inputSampleR += (bR[7] * (0.01784111585586136 + (0.00010230276997291*fabs(bR[7])))); + inputSampleR -= (bR[8] * (0.04394950700298298 - (0.00005910607126944*fabs(bR[8])))); + inputSampleR += (bR[9] * (0.01990770780547606 + (0.00007640328340556*fabs(bR[9])))); + inputSampleR -= (bR[10] * (0.04073629569741782 - (0.00007712327117090*fabs(bR[10])))); + inputSampleR += (bR[11] * (0.01349648572795252 + (0.00005959130575917*fabs(bR[11])))); + inputSampleR -= (bR[12] * (0.03191590248003717 - (0.00008418000575151*fabs(bR[12])))); + inputSampleR += (bR[13] * (0.00348795527924766 + (0.00005489156318238*fabs(bR[13])))); + inputSampleR -= (bR[14] * (0.02198496281481767 - (0.00008471601187581*fabs(bR[14])))); + inputSampleR -= (bR[15] * (0.00504771152505089 - (0.00005525060587917*fabs(bR[15])))); + inputSampleR -= (bR[16] * (0.01391075698598491 - (0.00007929630732607*fabs(bR[16])))); + inputSampleR -= (bR[17] * (0.01142762504081717 - (0.00005967036737742*fabs(bR[17])))); + inputSampleR -= (bR[18] * (0.00893541815021255 - (0.00007535697758141*fabs(bR[18])))); + inputSampleR -= (bR[19] * (0.01459704973464936 - (0.00005969199602841*fabs(bR[19])))); + inputSampleR -= (bR[20] * (0.00694755135226282 - (0.00006930127097865*fabs(bR[20])))); + inputSampleR -= (bR[21] * (0.01516695630808575 - (0.00006365800069826*fabs(bR[21])))); + inputSampleR -= (bR[22] * (0.00705917318113651 - (0.00006497209096539*fabs(bR[22])))); + inputSampleR -= (bR[23] * (0.01420501209177591 - (0.00006555654576113*fabs(bR[23])))); + inputSampleR -= (bR[24] * (0.00815905656808701 - (0.00006105622534761*fabs(bR[24])))); + inputSampleR -= (bR[25] * (0.01274326525552961 - (0.00006542652857017*fabs(bR[25])))); + inputSampleR -= (bR[26] * (0.00937146927845488 - (0.00006051267868722*fabs(bR[26])))); + inputSampleR -= (bR[27] * (0.01146573981165209 - (0.00006381511607749*fabs(bR[27])))); + inputSampleR -= (bR[28] * (0.01021294359409007 - (0.00005930397856398*fabs(bR[28])))); + inputSampleR -= (bR[29] * (0.01065217095323532 - (0.00006371505438319*fabs(bR[29])))); + inputSampleR -= (bR[30] * (0.01058751196699751 - (0.00006042857480233*fabs(bR[30])))); + inputSampleR -= (bR[31] * (0.01026557827762401 - (0.00006007776163871*fabs(bR[31])))); + inputSampleR -= (bR[32] * (0.01060929183604604 - (0.00006114703012726*fabs(bR[32])))); + inputSampleR -= (bR[33] * (0.01014533525058528 - (0.00005963567932887*fabs(bR[33])))); + //we apply the first samples of the impulse- dynamically adjusted. + } + + if (fabs(inputSampleL) > threshold) + { + bridgerectifier = (fabs(inputSampleL)-threshold)*hardness; + //skip flat area if any, scale to distortion limit + if (bridgerectifier > breakup) bridgerectifier = breakup; + //max value for sine function, 'breakup' modeling for trashed console tone + //more hardness = more solidness behind breakup modeling. more softness, more 'grunge' and sag + bridgerectifier = sin(bridgerectifier)/hardness; + //do the sine factor, scale back to proper amount + if (inputSampleL > 0) inputSampleL = bridgerectifier+threshold; + else inputSampleL = -(bridgerectifier+threshold); + } + //otherwise we leave it untouched by the overdrive stuff + if (fabs(inputSampleR) > threshold) + { + bridgerectifier = (fabs(inputSampleR)-threshold)*hardness; + //skip flat area if any, scale to distortion limit + if (bridgerectifier > breakup) bridgerectifier = breakup; + //max value for sine function, 'breakup' modeling for trashed console tone + //more hardness = more solidness behind breakup modeling. more softness, more 'grunge' and sag + bridgerectifier = sin(bridgerectifier)/hardness; + //do the sine factor, scale back to proper amount + if (inputSampleR > 0) inputSampleR = bridgerectifier+threshold; + else inputSampleR = -(bridgerectifier+threshold); + } + //otherwise we leave it untouched by the overdrive stuff + + + randy = ((rand()/(double)RAND_MAX)*0.042); + inputSampleL = ((inputSampleL*(1-randy))+(lastSampleL*randy)) * outlevel; + lastSampleL = inputSampleL; + + randy = ((rand()/(double)RAND_MAX)*0.042); + inputSampleR = ((inputSampleR*(1-randy))+(lastSampleR*randy)) * outlevel; + lastSampleR = inputSampleR; + + + //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++; + } +} |