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Diffstat (limited to 'attic/muse_qt4_evolution/synti/zynaddsubfx/Misc/Util.C')
-rw-r--r-- | attic/muse_qt4_evolution/synti/zynaddsubfx/Misc/Util.C | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/attic/muse_qt4_evolution/synti/zynaddsubfx/Misc/Util.C b/attic/muse_qt4_evolution/synti/zynaddsubfx/Misc/Util.C deleted file mode 100644 index 74619731..00000000 --- a/attic/muse_qt4_evolution/synti/zynaddsubfx/Misc/Util.C +++ /dev/null @@ -1,112 +0,0 @@ -/* - ZynAddSubFX - a software synthesizer - - Util.C - Miscellaneous functions - Copyright (C) 2002-2005 Nasca Octavian Paul - Author: Nasca Octavian Paul - - This program is free software; you can redistribute it and/or modify - it under the terms of version 2 of the GNU General Public License - as published by the Free Software Foundation. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License (version 2) for more details. - - You should have received a copy of the GNU General Public License (version 2) - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -*/ - -#include "Util.h" -#include <math.h> -#include <stdio.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> - -int SAMPLE_RATE=44100; -int SOUND_BUFFER_SIZE=256; -int OSCIL_SIZE=512; - -Config config; -REALTYPE *denormalkillbuf; - - -/* - * Transform the velocity according the scaling parameter (velocity sensing) - */ -REALTYPE VelF(REALTYPE velocity,unsigned char scaling){ - REALTYPE x; - x=pow(VELOCITY_MAX_SCALE,(64.0-scaling)/64.0); - if ((scaling==127)||(velocity>0.99)) return(1.0); - else return(pow(velocity,x)); -}; - -/* - * Get the detune in cents - */ -REALTYPE getdetune(unsigned char type,unsigned short int coarsedetune,unsigned short int finedetune){ - REALTYPE det=0.0,octdet=0.0,cdet=0.0,findet=0.0; - //Get Octave - int octave=coarsedetune/1024; - if (octave>=8) octave-=16; - octdet=octave*1200.0; - - //Coarse and fine detune - int cdetune=coarsedetune%1024; - if (cdetune>512) cdetune-=1024; - - int fdetune=finedetune-8192; - - switch (type){ -// case 1: is used for the default (see below) - case 2: cdet=fabs(cdetune*10.0); - findet=fabs(fdetune/8192.0)*10.0; - break; - case 3: cdet=fabs(cdetune*100); - findet=pow(10,fabs(fdetune/8192.0)*3.0)/10.0-0.1; - break; - case 4: cdet=fabs(cdetune*701.95500087);//perfect fifth - findet=(pow(2,fabs(fdetune/8192.0)*12.0)-1.0)/4095*1200; - break; - //case ...: need to update N_DETUNE_TYPES, if you'll add more - default:cdet=fabs(cdetune*50.0); - findet=fabs(fdetune/8192.0)*35.0;//almost like "Paul's Sound Designer 2" - break; - }; - if (finedetune<8192) findet=-findet; - if (cdetune<0) cdet=-cdet; - - det=octdet+cdet+findet; - return(det); -}; - - -bool fileexists(char *filename){ - struct stat tmp; - int result=stat(filename,&tmp); - if (result>=0) return(true); - - return(false); -}; - -void newFFTFREQS(FFTFREQS *f,int size){ - f->c=new REALTYPE[size]; - f->s=new REALTYPE[size]; - for (int i=0;i<size;i++){ - f->c[i]=0.0;f->s[i]=0.0; - }; -}; -void deleteFFTFREQS(FFTFREQS *f){ - delete[] f->c; - delete[] f->s; - f->c=f->s=NULL; -}; - |