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soundfont.h
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#ifndef SOUNDFONTCPP
#define SOUNDFONTCPP
#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <math.h>
#include <omp.h>
#define ontimeresample( val) (valtt = (unsigned long)val,valt = val-(double)valtt,valt*smpl[valtt + 1] - (valt - 1)*smpl[valtt])
inline double pow10(double b);
struct pgen;
struct igen;
struct _gen;
class parsetmpgen;
class sample;
struct inst;
struct preset;
struct sfont;
struct _gen {
long samplestartoffset = 0, sampleendoffset = 0, startloopoffset = 0, endloopoffset = 0, loopplayback = -1, rootkey = -1, tuningsemitones = INT_MIN, tuningcents = INT_MIN, tuningscale = INT_MIN, keyvolenvholdtmp = -1, keyvolenvdecaytmp = -1, volenvholdtmp = -1, volenvdecaytmp = -1, modenvholdtmp = -1, modenvdecaytmp = -1, keymodenvholdtmp = -1, fixedkey = -1, fixedvelocity = -1, exclusiveclass = -1, keymodenvdecaytmp = -1;
char keyrangehi = -1, keyrangelo = -1, velocityrangehi = -1, velocityrangelo = -1;
double attenuation = -1, filterfrequency = -1, filterresonance = 10e306, volenvdelay = -1, volenvattack = -1, volenvsustain = -1, volenvrelease = -1, modlfodelay = -1, modlfofreq = -1, modlfopitch = 0, modlfovolume = -1, modlfofilter = 0, modenvdelay = -1, modenvattack = -1, modenvsustain = -1, modenvrelease = -1, modenvpitch = 0, modenvfilter = 0, chorus = 10e306, reverb = 10e306, pan = 10e306, viblfodelay = -1, viblfofreq = -1, viblfopitch = 0;
};
class sample {
public:
char achSampleName[20];
long dwSampleRate = -1;
char byOriginalPitch = -1;//unused
short sfSampleType;//0:both 1:left 2:right
long dwStart = 0;
long dwEnd = 0;
long dwStartloop = 0;
long dwEndloop = 0;
char chPitchCorrection = 0;
double *smpl;
BOOL loaded = 0;
};
struct igen :public _gen {
int sampletmp = -1;
sample *smpl;
};
struct pgen :public _gen {
int insttmp = -1;
inst *inst;
};
struct inst {
char instname[20];
igen *igen;
unsigned short *igenptr;
int igencount;
};
struct preset {
int _bank,_preset,pgencount;
char presetname[20];
pgen* pgen;
unsigned short *pgenptr;
};
struct sfont {
preset* preset;
inst* inst;
sample *smpl;
unsigned short *presetptr, *instptr;
int presetcount, instcount, samplecount;
};
union fp{double d;int x[2];};
union genAmountType {
short wordval;
char byteval[2];
};
fp fastpow;
sfont soundfont;
FILE *sf;
unsigned int soundfontcppsiz, tmpsize;
int bfrsize,bfsd50,bf2, aptr, *sineval, getboth_righttmp, aptrc1, aptrc2, aptrc3, aptrrv, chkytmp;
char volumeptrcount[2048][2], volumeptr2[2048][128][2], volumeptr3[2048][2], volumeptr3mono[2048];
double
*poutbuffer[16],*pcoutbuffer[16]
,aptrp, getbotht, readtemp, getlefttmp,getrighttmp,
outbuffer[16];
long smplptr;
class parsetmpgen :public _gen {
public:
unsigned long valtt;
double valt;
long veld,releasereserved = 0, key, vel, lr, dwSampleRate = -1, enablefilter, noteon = 0, noteoff2 = 1, ly = 0, looplength2 = 1, midichennel;
double volenvhold = -1, volenvdecay = -1, modenvhold = -1, modenvdecay = -1, pitch = 1, volume = 1, outsamplerate, volenvattack2, volenvhold2, volenvdecay2, modenvattack2, modenvhold2, modenvdecay2, sustainvol, volenvsustaindvolenvdecayd20, volenvsustaindvolenvdecayd202, volenvsustaindvolenvdecayd202p, sustainmod, modenvsustaindmodenvdecayd20, modenvsustaindmodenvdecayd202, modenvsustaindmodenvdecayd202p, deltasecond, dsamplestartoffset, dsampleendoffset, dstartloopoffset, dendloopoffset, sustain2, outtmp, outtmpt, outtmp2, secondtmp, *smpl, centtmp, ptr, timeptr, modwh, portam, loadedvolume,lvatt,lvsus, attvol, w0, a0, a1, a2, b0, b1, b2, f0 = 0, fm1 = 0, fm2 = 0, setuplength, looplength = 0.;
char achSampleName[20], instname[20], lrlo = -1, lrhi = -1;
unsigned long reg = 0;
void reset() {
releasereserved = 0;
lrlo = -1;
lrhi = -1;
samplestartoffset = 0;
sampleendoffset = 0;
startloopoffset = 0;
endloopoffset = 0;
loopplayback = -1;//sampleModes 0:noloop 1:loop
keyrangehi = -1;
keyrangelo = -1;
velocityrangehi = -1;
velocityrangelo = -1;
attenuation = 10e306;
rootkey = -1;
tuningsemitones = INT_MIN;
tuningcents = INT_MIN;
tuningscale = INT_MIN;
filterfrequency = -1;//hz
filterresonance = 10e306;//dB
volenvdelay = -1;
volenvattack = -1;
volenvholdtmp = -1;
volenvdecaytmp = -1;
volenvsustain = -1;
volenvrelease = -1;
keyvolenvholdtmp = -1;
keyvolenvdecaytmp = -1;
modlfodelay = -1;//sec
modlfofreq = -1;//Hz
modlfopitch = 0;//속도 변경
modlfovolume = -1;
modlfofilter = 0;
modenvdelay = -1;
modenvattack = -1;
modenvholdtmp = -1;
modenvdecaytmp = -1;
modenvsustain = -1; //0~1
modenvrelease = -1;
keymodenvholdtmp = -1;
keymodenvdecaytmp = -1;
modenvpitch = 0;
modenvfilter = 0;//x
viblfodelay = -1;
viblfofreq = -1;
viblfopitch = 0;
exclusiveclass = -1;//x
chorus = 10e306;//x
reverb = 10e306;//x
pan = 10e306;//x,stereo only
fixedkey = -1;
fixedvelocity = -1;
}
void loadpgen(pgen p, int pgenval) {
strcpy(instname, (p.inst)->instname);
reg = pgenval + 1;
if (p.keyrangehi != -1)keyrangehi = p.keyrangehi;
if (p.keyrangelo != -1)keyrangelo = p.keyrangelo;
if (p.velocityrangehi != -1)velocityrangehi = p.velocityrangehi;
if (p.velocityrangelo != -1)velocityrangelo = p.velocityrangelo;
if (p.attenuation != 10e306)attenuation = p.attenuation;
if (p.tuningsemitones != INT_MIN)tuningsemitones = p.tuningsemitones;
if (p.tuningcents != INT_MIN)tuningcents = p.tuningcents;
if (p.tuningscale != INT_MIN)tuningscale = p.tuningscale;
if (p.chorus != 10e306)chorus = p.chorus;
if (p.reverb != 10e306)reverb = p.reverb;
if (p.pan != 10e306)pan = p.pan;
}
void loadigen(igen p, int igenval) {
strcpy(achSampleName, ((p.smpl)->achSampleName));
reg |= ((unsigned long)igenval << 16);
if (p.samplestartoffset != 0) samplestartoffset += p.samplestartoffset;
if (p.sampleendoffset != 0)sampleendoffset += p.sampleendoffset;
if (p.startloopoffset != 0)startloopoffset += p.startloopoffset;
if (p.endloopoffset != 0)endloopoffset += p.endloopoffset;
if (p.loopplayback != -1)loopplayback = p.loopplayback;
if (p.keyrangehi != -1)keyrangehi = p.keyrangehi;
if (p.keyrangelo != -1)keyrangelo = p.keyrangelo;
if (p.velocityrangehi != -1)velocityrangehi = p.velocityrangehi;
if (p.velocityrangelo != -1)velocityrangelo = p.velocityrangelo;
if (p.attenuation != 10e306)attenuation = p.attenuation;
if (p.rootkey != -1)rootkey = p.rootkey;
if (p.tuningsemitones != INT_MIN)tuningsemitones = p.tuningsemitones;
if (p.tuningcents != INT_MIN)tuningcents = p.tuningcents;
if (p.tuningscale != INT_MIN)tuningscale = p.tuningscale;
if (p.filterfrequency != -1)filterfrequency = p.filterfrequency;
if (p.filterresonance != 10e306)filterresonance = p.filterresonance;
if (p.volenvdelay != -1)volenvdelay = p.volenvdelay;
if (p.volenvattack != -1)volenvattack = p.volenvattack;
if (p.volenvholdtmp != -1)volenvholdtmp = p.volenvholdtmp;
if (p.volenvdecaytmp != -1)volenvdecaytmp = p.volenvdecaytmp;
if (p.volenvsustain != -1)volenvsustain = p.volenvsustain;
if (p.volenvrelease != -1)volenvrelease = p.volenvrelease;
if (p.keyvolenvholdtmp != -1)keyvolenvholdtmp = p.keyvolenvholdtmp;
if (p.keyvolenvdecaytmp != -1)keyvolenvdecaytmp = p.keyvolenvdecaytmp;
if (p.modlfodelay != -1)modlfodelay = p.modlfodelay;
if (p.modlfofreq != -1)modlfofreq = p.modlfofreq;
if (p.modlfopitch != 0)modlfopitch = p.modlfopitch;
if (p.modlfovolume != -1)modlfovolume = p.modlfovolume;
if (p.modlfofilter != 0)modlfofilter = p.modlfofilter;
if (p.modenvdelay != -1)modenvdelay = p.modenvdelay;
if (p.modenvattack != -1)modenvattack = p.modenvattack;
if (p.modenvholdtmp != -1)modenvholdtmp = p.modenvholdtmp;
if (p.modenvdecaytmp != -1)modenvdecaytmp = p.modenvdecaytmp;
if (p.modenvsustain != -1)modenvsustain = p.modenvsustain;
if (p.modenvrelease != -1)modenvrelease = p.modenvrelease;
if (p.keymodenvholdtmp != -1)keymodenvholdtmp = p.keymodenvholdtmp;
if (p.keymodenvdecaytmp != -1)keymodenvdecaytmp = p.keymodenvdecaytmp;
if (p.modenvpitch != 0)modenvpitch = p.modenvpitch;
if (p.modenvfilter != 0)modenvfilter = p.modenvfilter;
if (p.viblfodelay != -1)viblfodelay = p.viblfodelay;
if (p.viblfofreq != -1)viblfofreq = p.viblfofreq;
if (p.viblfopitch != 0)viblfopitch = p.viblfopitch;
if (p.exclusiveclass != -1)exclusiveclass = p.exclusiveclass;
if (p.chorus != 10e306)chorus = p.chorus;
if (p.reverb != 10e306)reverb = p.reverb;
if (p.pan != 10e306)pan = p.pan;
if (p.fixedkey != -1)fixedkey = p.fixedkey;
if (p.fixedvelocity != -1)fixedvelocity = p.fixedvelocity;
if ((p.smpl)->loaded == 0) {
(p.smpl)->loaded = 1;
int j = (p.smpl)->dwEnd - (p.smpl)->dwStart + 2;
(p.smpl)->smpl = new double[j];
short *smpltmp = new short[j];
fseek(sf, smplptr + 2 * (p.smpl)->dwStart, SEEK_SET);
fread(smpltmp, 2, j, sf);
for (int i = 0; i < j; i++) {
(p.smpl)->smpl[i] = (double)smpltmp[i];
}
delete[]smpltmp;
}
smpl = (p.smpl)->smpl;
//if ((p.smpl)->dwStart != 0) samplestartoffset += (p.smpl)->dwStart;
if ((p.smpl)->dwEnd != 0) sampleendoffset += ((p.smpl)->dwEnd) - ((p.smpl)->dwStart);
if ((p.smpl)->dwStartloop != 0) startloopoffset += ((p.smpl)->dwStartloop) - ((p.smpl)->dwStart);
if ((p.smpl)->dwEndloop != 0) endloopoffset += ((p.smpl)->dwEndloop) - ((p.smpl)->dwStart);
if (rootkey == -1) rootkey = (p.smpl)->byOriginalPitch;
dwSampleRate = (p.smpl)->dwSampleRate;
if ((p.smpl)->chPitchCorrection != 0) {
if (tuningcents == INT_MIN)tuningcents = 0;
tuningcents += (p.smpl)->chPitchCorrection;
}
if (pan == 10e306)pan = 0;
if (pan < -25.) { lrlo = 0; lrhi = 0; }
else if (pan >25.) { lrlo = 1; lrhi = 1; }
else { lrlo = 0; lrhi = 1; }
if (keyrangehi == -1)keyrangehi = 127;
if (keyrangelo == -1)keyrangelo = 0;
if (velocityrangehi == -1)velocityrangehi = 127;
if (velocityrangelo == -1)velocityrangelo = 0;
}
void loaddefault(int keyi, int veli, int lri, int outoutsamplerate2) {
outsamplerate = (double)outoutsamplerate2;
deltasecond = 1. / outsamplerate;
key = keyi; vel = veli; lr = lri;
if (loopplayback == -1)loopplayback = 0;
if (attenuation == 10e306)attenuation = 0;
if (rootkey == -1)rootkey = 60;
if (tuningsemitones == INT_MIN)tuningsemitones = 0;
if (tuningcents == INT_MIN)tuningcents = 0;
if (tuningscale == INT_MIN)tuningscale = 100;
if (filterresonance == 10e306)filterresonance = 0;
if (volenvdelay == -1)volenvdelay = 0.001;
if (volenvattack == -1)volenvattack = 0.001;
if (volenvholdtmp == -1)volenvholdtmp = -12000;
if (volenvdecaytmp == -1)volenvdecaytmp = -12000;
if (volenvrelease == -1)volenvrelease = 1;
if (volenvsustain == -1) volenvsustain = 0;
if (keyvolenvholdtmp == -1)keyvolenvholdtmp = 0;
if (keyvolenvdecaytmp == -1)keyvolenvdecaytmp = 0;
if (modlfodelay == -1)modlfodelay = 0.001;
if (modlfofreq == -1)modlfofreq = 8.176;
if (modlfovolume == -1)modlfovolume = 0;
if (modenvdelay == -1)modenvdelay = 0.001;
if (modenvattack == -1)modenvattack = 0.001;
if (modenvholdtmp == -1)modenvholdtmp = -12000;
if (modenvdecaytmp == -1)modenvdecaytmp = -12000;
if (modenvsustain == -1)modenvsustain = 1;
if (modenvrelease == -1)modenvrelease = 0.001;
if (keymodenvholdtmp == -1)keymodenvholdtmp = 0;
if (keymodenvdecaytmp == -1)keymodenvdecaytmp = 0;
if (viblfodelay == -1)viblfodelay = 0.001;
if (viblfofreq == -1)viblfofreq = 8.176;
if (exclusiveclass == -1)exclusiveclass = 0;
if (chorus == 10e306)chorus = 0;
if (reverb == 10e306)reverb = 0;
if (lrlo == -1) {
lrlo = 0; lrhi = 1;
}
attenuation += filterresonance;
//printf("%lf ", attenuation);
attvol = pow(2, -(attenuation - 15.) / 6.0205999132796239042747778944899);
dsamplestartoffset = (double)samplestartoffset;
dsampleendoffset = (double)sampleendoffset;
dstartloopoffset = (double)startloopoffset;
dendloopoffset = (double)endloopoffset;
modenvhold = pow(2., (double)(modenvholdtmp + (60 - key)*keymodenvholdtmp) / 1200.);
modenvdecay = pow(2., (double)(modenvdecaytmp + (60 - key)*keymodenvdecaytmp) / 1200.);
volenvhold = pow(2., (double)(volenvholdtmp + (60 - key)*keyvolenvholdtmp) / 1200.);
volenvdecay = pow(2., (double)(volenvdecaytmp + (60 - key)*keyvolenvdecaytmp) / 1200.);
pitch = (double)dwSampleRate / outsamplerate*pow(2., (
(double)tuningcents / 100.
+ (double)tuningsemitones
+ (double)(((fixedkey != -1) ? fixedkey : key) - rootkey)*(double)tuningscale / 100.
) / 12.
);
volume = 1.
*pow(10, -(double)0. / 20.)
*(0.5 - (lr ? (-pan) : (pan)) / 100.)
;
if (loopplayback == 0) {
setuplength =
dsampleendoffset - dsamplestartoffset + 1.;
looplength = 1.;
dstartloopoffset = dsampleendoffset - 1;
dendloopoffset = dsampleendoffset;
}
else {
setuplength = dstartloopoffset - dsamplestartoffset + 1.;
looplength = dendloopoffset - dstartloopoffset + 1.;
dsampleendoffset = dendloopoffset;
}
enablefilter = (filterfrequency != -1.);
filterresonance = pow(10., filterresonance / 20.);
volenvattack2 = volenvdelay + volenvattack;
volenvhold2 = volenvdelay + volenvattack + volenvhold;
volenvdecay2 = volenvdelay + volenvattack + volenvhold + volenvdecay;
modenvattack2 = modenvdelay + modenvattack;
modenvhold2 = modenvdelay + modenvattack + modenvhold;
modenvdecay2 = modenvdelay + modenvattack + modenvhold + modenvdecay;
sustainvol = pow(10, -volenvsustain / 20.);
volenvsustaindvolenvdecayd20 = volenvsustain / volenvdecay / -20.;
volenvsustaindvolenvdecayd202 = -7. / volenvrelease;
if (modenvsustain < 0.00001)modenvsustain = 0.00001;
sustainmod = modenvsustain;
modenvsustain = 20 * log10(modenvsustain);
modenvsustaindmodenvdecayd20 = modenvsustain / modenvdecay / 20.;
modenvsustaindmodenvdecayd202 = (modenvsustain - 100) / modenvrelease / 20.;
modenvsustaindmodenvdecayd202p = modenvsustain / 20.;
if (enablefilter) {
w0 = 6.283185307179586476925286766559*filterfrequency;
a0 = 4 * outsamplerate*outsamplerate + (2 * w0*outsamplerate) / (filterresonance)+w0*w0;
a1 = (-8 * outsamplerate*outsamplerate + 2 * w0*w0) / a0;
a2 = (4 * outsamplerate*outsamplerate - 2 * w0* outsamplerate / (filterresonance)+w0*w0) / a0;
b0 = (w0*w0) / a0;
b1 = 2 * b0;
b2 = b0;
}
modlfofreq *= 6.283185307179586476925286766559;
viblfofreq *= 6.283185307179586476925286766559;
looplength2 = (looplength == 0);
//modenvpitcht = (modenvpitch != 0);
if (looplength >= 2)looplength--;
}
void loaddefault10() {
if (key == 72) volenvrelease = 3.;
else if (key == 80 || key == 86) volenvrelease = 0.5;
else volenvrelease = 2.;
volenvsustaindvolenvdecayd202 = -7. / volenvrelease;
ly = 1;
}
inline void setup(int midichennel) {
this->midichennel = midichennel;
}
inline void set(double volumei,int vd) {
veld = vd;
sustain2 = 0.;
releasereserved = 0;
loadedvolume = volumei*volume*attvol;
lvatt = loadedvolume / volenvattack;
lvsus = loadedvolume *sustainvol;
ptr = dsamplestartoffset;
timeptr = 0;
noteon = 1;
noteoff2 = 0;
}
inline double readval1() {
if (noteoff2)return 0.;
if (looplength2)return 0.;
if (ly)
if (timeptr > volenvdecay2&¬eon) {
secondtmp = timeptr;
noteon = 0;
}
timeptr += deltasecond;
outtmp = pitch*pitcherr[key][midichennel];
if (enablefilter) { outtmpt = filterfrequency; }
if (modenvpitch != 0. || modenvfilter != 0.) {
if (noteon) {
if (timeptr < modenvdelay) centtmp = 0.;
else if (timeptr < modenvattack2) centtmp = (timeptr - modenvdelay) / modenvattack;
else if (timeptr < modenvhold2)centtmp = 1.;
else if (timeptr < modenvdecay2) centtmp = pow(10, modenvsustaindmodenvdecayd20*(timeptr - modenvhold2));
else centtmp = sustainmod;
}
else {
centtmp = sustainmod*pow(10, modenvsustaindmodenvdecayd202*(timeptr - secondtmp));
}
outtmp *= pow(2, modenvpitch*centtmp);
if (enablefilter)outtmpt *= pow(2, modenvfilter*centtmp);
}
if (modlfopitch != 0. || modlfofilter != 0.) {
if (timeptr > modlfodelay) {
outtmp2 = sin(modlfofreq*(timeptr - modlfodelay));
outtmp *= pow(2., modlfopitch*outtmp2);
if (enablefilter)outtmpt *= pow(2., modlfofilter*outtmp2);
}
}
if (viblfopitch != 0.) {
if (timeptr > viblfodelay) {
outtmp *= pow(2., viblfopitch*sin(viblfofreq*(timeptr - viblfodelay)));
}
}
if (enablefilter && (modenvfilter != 0. || modlfofilter != 0.)) {
w0 = 6.283185307179586476925286766559*outtmpt;
a0 = 4 * outsamplerate*outsamplerate + (2 * w0*outsamplerate) / (filterresonance)+w0*w0;
a1 = (-8 * outsamplerate*outsamplerate + 2 * w0*w0) / a0;
a2 = (4 * outsamplerate*outsamplerate - 2 * w0* outsamplerate / (filterresonance)+w0*w0) / a0;
b0 = (w0*w0) / a0;
b1 = 2 * b0;
b2 = b0;
}
ptr += outtmp;
while (ptr >= dendloopoffset)ptr -= looplength;
if (noteon) {
if (timeptr < volenvdelay) {
if (enablefilter) {
outtmp = 0.;
}
else return 0.;
}
else if (timeptr < volenvattack2) outtmp = loadedvolume*(timeptr - volenvdelay) / volenvattack;
else if (timeptr < volenvhold2)outtmp = loadedvolume;
else if (timeptr < volenvdecay2) outtmp = loadedvolume*pow10(volenvsustaindvolenvdecayd20*(timeptr - volenvhold2));
else outtmp = loadedvolume*sustainvol;
}
else {
outtmp = loadedvolume* pow10(volenvsustaindvolenvdecayd202p + volenvsustaindvolenvdecayd202*(timeptr - secondtmp));
if (outtmp < 0.00001) noteoff2 = 1;
}
if (modlfovolume != 0.) {
if (timeptr > modlfodelay) {
outtmp2 = sin(modlfofreq*(timeptr - modlfodelay));
outtmp2 = modlfovolume*(outtmp2 > 0. ? 0. : outtmp2);
outtmp *= pow10(outtmp2 / 20.);
}
}
outtmp *= chvol[midichennel];
if (enablefilter)return outtmp*
(fm2 = fm1, fm1 = f0, f0 = ontimeresample(ptr) - a1*fm1 - a2*fm2, b0*f0 + b1*fm1 + b2*fm2);
else
return outtmp*ontimeresample(ptr);
}
fp fastpow;
inline double pow10(double b) {
fastpow.d = 10.;
fastpow.x[1] = (int)(b * (fastpow.x[1] - 1072632447) + 1072632447);
fastpow.x[0] = 0;
return fastpow.d;
}
inline double readval() {
if (reg);
else return 0.;
if (noteoff2)return 0.;
if (looplength2)return 0.;
if (ly) {
if (noteon&&timeptr > volenvattack2 + 0.1) {
secondtmp = timeptr;
noteon = 0;
}
}
timeptr += deltasecond;
//0.924450 1.000000 91 0 92
outtmp = pitch*pitcherr[key][midichennel];
//printf("%lf ", outtmp);
//printf("%lf %lf %d %d %d %d\n", pitch, pitcherr[key][midichennel],tuningcents, key, midichennel,rootkey);
if (enablefilter) { outtmpt = filterfrequency; }
if (modenvpitch != 0. || modenvfilter != 0.) {
if (noteon) {
if (timeptr < modenvdelay) centtmp = 0.;
else if (timeptr < modenvattack2) centtmp = (timeptr - modenvdelay) / modenvattack;
else if (timeptr < modenvhold2)centtmp = 1.;
else if (timeptr < modenvdecay2) centtmp = pow(10, modenvsustaindmodenvdecayd20*(timeptr - modenvhold2));
else centtmp = sustainmod;
}
else {
centtmp = sustainmod*pow(10, modenvsustaindmodenvdecayd202*(timeptr - secondtmp));
}
outtmp *= pow(2, modenvpitch*centtmp);
if (enablefilter)outtmpt *= pow(2, modenvfilter*centtmp);
}
if (modlfopitch != 0. || modlfofilter != 0.) {
if (timeptr > modlfodelay) {
outtmp2 = sin(modlfofreq*(timeptr - modlfodelay));
outtmp *= pow(2., modlfopitch*outtmp2);
if (enablefilter)outtmpt *= pow(2., modlfofilter*outtmp2);
}
}
if (viblfopitch != 0.) {
if (timeptr > viblfodelay) {
outtmp *= pow(2., viblfopitch*sin(viblfofreq*(timeptr - viblfodelay)));
}
}
if (modulationwheel[midichennel]) {
// system("pause");
outtmp *= pow(2., rmodulationwheel[midichennel] * 0.24*sin(25.132741228718345907701147066236*(timeptr)));
}
if (enablefilter && (modenvfilter != 0. || modlfofilter != 0.)) {
w0 = 6.283185307179586476925286766559*outtmpt;
a0 = 4 * outsamplerate*outsamplerate + (2 * w0*outsamplerate) / (filterresonance)+w0*w0;
a1 = (-8 * outsamplerate*outsamplerate + 2 * w0*w0) / a0;
a2 = (4 * outsamplerate*outsamplerate - 2 * w0* outsamplerate / (filterresonance)+w0*w0) / a0;
b0 = (w0*w0) / a0;
b1 = 2 * b0;
b2 = b0;
}
//printf("%lf\n", outtmp);
ptr += outtmp;
// ptr += 1.;
//printf("%lf %lf %lf\n", ptr, dendloopoffset, looplength);
while (ptr > dendloopoffset) {
ptr -= looplength;
if (!(ptr >= -DBL_MAX) || ptr>DBL_MAX || ptr<-DBL_MAX) return 0.;
}
//return 100000*ontimeresample(ptr);
if (noteon) {
//printf("%lf %lf %lf %lf %lf %lf\n", dsamplestartoffset, dsampleendoffset, dstartloopoffset, dendloopoffset,looplength,ptr);
//system("pause");
if (timeptr < volenvdelay) {
if (enablefilter) {
outtmp = 0., sustain2 = outtmp;
}
else return 0.;
}
else if (timeptr < volenvattack2) outtmp = lvatt*chvol[midichennel] * (timeptr - volenvdelay) , sustain2 = outtmp;
else {
//printf("%lf\n",timeptr);
//Sleep(3);
if (timeptr < volenvhold2)outtmp = loadedvolume*chvol[midichennel], sustain2 = outtmp;
else if (timeptr < volenvdecay2)outtmp = loadedvolume*chvol[midichennel] * pow10(volenvsustaindvolenvdecayd20*(timeptr - volenvhold2)), sustain2 = outtmp;
else outtmp = lvsus*chvol[midichennel], sustain2 = outtmp;
if (releasereserved) {
//printf("/"); system("pause");
releasereserved = 0;
secondtmp = timeptr;
noteon = 0;
if (timeptr < 1 || veld<24) sustain2 = 0;
}
}
if (releasereserved&&midichennel != 9) {
//printf("/"); system("pause");
releasereserved = 0;
secondtmp = timeptr;
noteon = 0; if (timeptr < 1 || veld<24) sustain2 = 0;
}
}
else {
//system("pause");
outtmp = sustain2* pow10(volenvsustaindvolenvdecayd202*(timeptr - secondtmp));
if (outtmp < 0.00001)
noteoff2 = 1;
}
if (modlfovolume != 0.) {
if (timeptr > modlfodelay) {
outtmp2 = sin(modlfofreq*(timeptr - modlfodelay));
outtmp2 = modlfovolume*(outtmp2 > 0. ? 0. : outtmp2);
outtmp *= pow10(outtmp2 / 20.);
}
}
//if (ly) outtmp = loadedvolume;
//printf("%lf %lf\n", sustain2, outtmp);
//Sleep(10);
if (enablefilter)return outtmp*
(fm2 = fm1, fm1 = f0, f0 = ontimeresample(ptr) - a1*fm1 - a2*fm2, b0*f0 + b1*fm1 + b2*fm2);
else
return outtmp*ontimeresample(ptr);
}
inline void release() {
releasereserved = 1;
}
};
parsetmpgen parsetmp[2048][128][2];
inline double fastPow(double a, double b) {
fastpow.d = a;
fastpow.x[1] = (int)(b * (fastpow.x[1] - 1072632447) + 1072632447);
fastpow.x[0] = 0;
return fastpow.d;
}
inline double pow10(double b) {
fastpow.d = 10.;
fastpow.x[1] = (int)(b * (fastpow.x[1] - 1072632447) + 1072632447);
fastpow.x[0] = 0;
return fastpow.d;
}
void resample(short* in, short* out, long long insize, long long inrate, long long outrate) {
long long o = insize *outrate / inrate - 1, j = 0, t = ((insize - 2) << 16) / (o - 1);
for (long long i = 0; ++i < o; j += t) {
out[i] = ((j & 65535)*in[(j >> 16) + 1] + (65536 - (j & 0xffff))*in[(j >> 16)]) >> 16;
}
}
void shiftpitch2(double pitch, long size, long fftsize, long overlap, double srate, double *in, double *out) {
double *gi = (double*)malloc(344072 * 8), *go = gi + 8192 * 4, *gf = gi + 16384 * 4, *gl = gi + 32768 * 4,
*gs = gi + 34817 * 4, *gu = gi + 36866 * 4, *ga = gi + 53250 * 4,
*gn = gi + 61442 * 4, *gy = gi + 69634 * 4, *gm = gi + 77826 * 4,
wr, wi, arg, *p1, *p2, tp, tr, ti, ur, ui, *p1r, *p1i, *p2r, *p2i;
memset(gi, 0, 344072 * 8);
double ma, ph, t1, wd, rl, ig, fb, ex;
long gr = 0, i1, k1, qpd, i3, il, ss, f2, i2, bt, j2, le, le2, k2;
f2 = fftsize / 2;
ss = fftsize / overlap;
fb = srate / (double)fftsize;
ex = 6.28318530717958647692*(double)ss / (double)fftsize;
il = fftsize - ss;
gr = il;
for (i1 = 0; i1 < size; i1++) {
gi[gr] = in[i1];
out[i1] = go[gr - il];
gr++;
if (gr >= fftsize) {
gr = il; for (k1 = 0; k1 < fftsize; k1++) {
wd = -.5*cos(6.28318530717958647692*(double)k1 / (double)fftsize) + 0.5;
gf[2 * k1] = gi[k1] * wd;
gf[2 * k1 + 1] = 0.;
}
for (i2 = 2; i2 < 2 * fftsize - 2; i2 += 2) {
for (bt = 2, j2 = 0; bt < 2 * fftsize; bt <<= 1) {
if (i2 & bt) j2++;
j2 <<= 1;
}
if (i2 < j2)
{
p1 = gf + i2; p2 = gf + j2;
tp = *p1; *(p1++) = *p2; *(p2++) = tp;
tp = *p1; *p1 = *p2; *p2 = tp;
}
}
for (k2 = 0, le = 2; k2 < (long)(log(fftsize) / 0.693147180559945309417 + 0.5); k2++) {
le <<= 1;
le2 = le >> 1;
ur = 1.0;
ui = 0.0;
arg = 3.14159265358979323846 / (le2 >> 1);
wr = cos(arg);
wi = -sin(arg);
for (j2 = 0; j2 < le2; j2 += 2) {
p1r = gf + j2;
p1i = p1r + 1;
p2r = p1r + le2;
p2i = p2r + 1;
for (i2 = j2; i2 < 2 * fftsize; i2 += le) {
tr = *p2r * ur - *p2i * ui;
ti = *p2r * ui + *p2i * ur;
*p2r = *p1r - tr;
*p2i = *p1i - ti;
*p1r += tr;
*p1i += ti;
p1r += le;
p1i += le; p2r += le; p2i += le;
}
tr = ur*wr - ui*wi;
ui = ur*wi + ui*wr;
ur = tr;
}
}
for (k1 = 0; k1 <= f2; k1++) {
rl = gf[2 * k1];
ig = gf[2 * k1 + 1];
ma = 2.*sqrt(rl*rl + ig*ig);
ph = (ig == 0.) ? 0. : ((rl == 0.) ? ((ig > 0.) ? 3.14159265358979323846 / 2 : -3.14159265358979323846 / 2) : atan2(ig, rl));
t1 = ph - gl[k1];
gl[k1] = ph;
t1 -= (double)k1*ex;
qpd = t1 / 3.14159265358979323846;
(qpd >= 0) ? (qpd += qpd & 1) : (qpd -= qpd & 1);
t1 -= 3.14159265358979323846*(double)qpd;
t1 = overlap*t1 / (6.28318530717958647692);
t1 = (double)k1*fb + t1*fb; gn[k1] = ma; ga[k1] = t1;
}
memset(gm, 0, fftsize * 4 * 4);
memset(gy, 0, fftsize * 8 * 4);
for (k1 = 0; k1 <= f2; k1++) {
i3 = (long)((double)k1*pitch);
if (i3 <= f2) {
gm[i3] += gn[k1];
gy[i3] = (long)((double)ga[k1] * pitch);
}
}
for (k1 = 0; k1 <= f2; k1++) {
ma = gm[k1]; t1 = gy[k1];
t1 -= (double)k1*fb; t1 /= fb;
t1 = 6.28318530717958647692*t1 / overlap;
t1 += (double)k1*ex;
gs[k1] += t1; ph = gs[k1];
gf[2 * k1] = ma*cos(ph);
gf[2 * k1 + 1] = ma*sin(ph);
}
for (k1 = fftsize + 2; k1 < 2 * fftsize; k1++) gf[k1] = 0.;
for (i2 = 2; i2 < 2 * fftsize - 2; i2 += 2) {
for (bt = 2, j2 = 0; bt < 2 * fftsize; bt <<= 1) {
if (i2 & bt) j2++;
j2 <<= 1;
}
if (i2 < j2) {
p1 = gf + i2; p2 = gf + j2; tp = *p1; *(p1++) = *p2; *(p2++) = tp; tp = *p1; *p1 = *p2;
*p2 = tp;
}
}
for (k2 = 0, le = 2; k2 < (long)(log(fftsize) / 0.693147180559945309417 + 0.5); k2++) {
le <<= 1;
le2 = le >> 1;
ur = 1.0;
ui = 0.0;
arg = 3.14159265358979323846 / (le2 >> 1);
wr = cos(arg);
wi = sin(arg);
for (j2 = 0; j2 < le2; j2 += 2) {
p1r = gf + j2;
p1i = p1r + 1;
p2r = p1r + le2;
p2i = p2r + 1;
for (i2 = j2; i2 < 2 * fftsize; i2 += le) {
tr = *p2r * ur - *p2i * ui;
ti = *p2r * ui + *p2i * ur;
*p2r = *p1r - tr;
*p2i = *p1i - ti;
*p1r += tr;
*p1i += ti;
p1r += le;
p1i += le;
p2r += le;
p2i += le;
}
tr = ur*wr - ui*wi;
ui = ur*wi + ui*wr;
ur = tr;
}
}
for (k1 = 0; k1 < fftsize; k1++) {
wd = -.5*cos(6.28318530717958647692*(double)k1 / (double)fftsize) + 0.5;
gu[k1] += 2.*wd*gf[2 * k1] / (f2*overlap);
}
for (k1 = 0; k1 < ss; k1++) go[k1] = gu[k1];
memmove(gu, gu + ss, fftsize * 4 * 4);
for (k1 = 0; k1 < il; k1++) gi[k1] = gi[k1 + ss];
}
}
}
inline void setnote(int chennel, int key, int vel, double volume) {
chkytmp = ((chennel << 7) | key);
volumeptr3mono[chkytmp] = volumeptr2[chkytmp][vel][0];
parsetmp[chkytmp][volumeptr3mono[chkytmp]][0].set(volume, vel);
}
inline void releasenote(int chennel, int key) {
chkytmp = ((chennel << 7) | key);
parsetmp[chkytmp][volumeptr3mono[chkytmp]][0].release();
}
inline void setnotestereo(int chennel,int key,int vel, double volume ) {
chkytmp = ((chennel << 7) | key);
volumeptr3[chkytmp][0] = volumeptr2[chkytmp][vel][0];
volumeptr3[chkytmp][1] = volumeptr2[chkytmp][vel][1];
parsetmp[chkytmp][volumeptr3[chkytmp][0]][0].set(volume, vel);
parsetmp[chkytmp][volumeptr3[chkytmp][1]][1].set(volume, vel);
}
inline void releasenotestereo(int chennel, int key) {
chkytmp = ((chennel << 7) | key);
parsetmp[chkytmp][volumeptr3[chkytmp][0]][0].release();
parsetmp[chkytmp][volumeptr3[chkytmp][1]][1].release();
}
inline int resetarray() {
aptr = 0;
bfrsize = playrate;
bf2 = bfrsize / 10;
bfsd50 = bfrsize / 2200;
for (int i = 0; i < 16; i++) {
poutbuffer[i] = new double[bfrsize];
pcoutbuffer[i]= new double[bfrsize];
}
sineval = new int[bfrsize];
for(int j=0;j<16;j++)
for (int i = 0; i < bfrsize; i++) {
poutbuffer[j][i] = 0;
pcoutbuffer[j][i] = 0;
sineval[i] =
(
((int)((double)bfsd50*(1. + sin(4 * 3.1415 * (double)i / (double)bfrsize))))
);
}
return 0;
}
inline int getleft2() {
getlefttmp = 0;
#pragma omp parallel for reduction(+:getlefttmp)
for (int i = 0; i < 512; i++) {
getlefttmp +=
parsetmp[i][volumeptr3mono[i]][0].readval() +
parsetmp[i + 0x0200][volumeptr3mono[i + 0x0200]][0].readval() +
parsetmp[i + 0x0400][volumeptr3mono[i + 0x0400]][0].readval() +
parsetmp[i + 0x0600][volumeptr3mono[i + 0x0600]][0].readval();
}
if (getlefttmp > 2147483647.)return INT_MAX;
else if (getlefttmp <-2147483648.)return INT_MIN;
else return (int)getlefttmp;
}
//unsigned long long zt = 0;
double outbuffer_u[2048];
inline int getleft() {
//zt++;
//if (zt == 321064) system("pause");
aptr++;
if (aptr == bfrsize) aptr = 0;
for (int i = 0; i < 16; i++)
poutbuffer[i][aptr] = 0;
getlefttmp = 0;
#pragma omp parallel
{
double outbuffer_t[16] = { 0. };
#pragma omp for
for (int t = 0; t < 2048; t++)
outbuffer_t[t >> 7] += parsetmp[t][volumeptr3mono[t]][0].readval();
#pragma omp critical
{
for (int t = 0; t < 16; t++)
poutbuffer[t][aptr] += outbuffer_t[t];
}
}
aptrc1 = aptr - sineval[aptr];
if (aptrc1 <0)aptrc1 += bfrsize;
for (int i = 0; i<16; i++)
pcoutbuffer[i][aptr] = poutbuffer[i][aptr] + dchorus[i] * (poutbuffer[i][aptrc1]);
aptrrv = aptr -bf2;
if(aptrrv <0) aptrrv += bfrsize;
for(int i=0;i<16;i++)
getlefttmp += pcoutbuffer[i][aptr] + dreverb[i] * pcoutbuffer[i][aptrrv];
if (getlefttmp > 2147483647.)return INT_MAX;
else if (getlefttmp <-2147483648.)return INT_MIN;
else return (int)getlefttmp;
}
inline int getboth() {
getlefttmp = 0;
getrighttmp = 0;
#pragma omp parallel for reduction(+:getlefttmp,getrighttmp),private(getbotht)
for (int i = 0; i < 2048; i++) {
if (parsetmp[i][volumeptr3[i][1]][1].lrlo) {
getrighttmp += parsetmp[i][volumeptr3[i][1]][1].readval();
getlefttmp += parsetmp[i][volumeptr3[i][0]][0].readval();
}
else {
getbotht= parsetmp[i][volumeptr3[i][0]][0].readval();
getrighttmp += getbotht;
getlefttmp += getbotht;
}
}
if (getrighttmp > INT_MAX)getboth_righttmp= INT_MAX;
else if (getrighttmp <INT_MIN)getboth_righttmp= INT_MIN;
else getboth_righttmp=(int)getrighttmp;
if (getlefttmp > INT_MAX)return INT_MAX;
else if (getlefttmp <-INT_MIN)return INT_MIN;
else return (int)getlefttmp;
}
void readsf(char *sfname) {
sf = fopen(sfname, "rb");
fseek(sf, 0x10, SEEK_CUR);
fread(&soundfontcppsiz, 4, 1, sf);
fseek(sf, soundfontcppsiz, SEEK_CUR);
//sfbk 건너뜀
fseek(sf, 0x04, SEEK_CUR); //LIST
unsigned int sdtasiz;
fread(&sdtasiz, 4, 1, sf);
sdtasiz += ftell(sf);//""LISTPÙ..pdtaphdr
char sdta[5];
fseek(sf, 4, SEEK_CUR);
fread(sdta, 1, 4, sf);
sdta[4] = 0;