From b0546e5e7f7044019892543c6c82029db8d564a7 Mon Sep 17 00:00:00 2001 From: Robert Jonsson Date: Thu, 15 Sep 2011 12:14:55 +0000 Subject: moved attic to a branch of it's own --- .../synti/zynaddsubfx/DSP/SVFilter.h | 67 ---------------------- 1 file changed, 67 deletions(-) delete mode 100644 attic/muse_qt4_evolution/synti/zynaddsubfx/DSP/SVFilter.h (limited to 'attic/muse_qt4_evolution/synti/zynaddsubfx/DSP/SVFilter.h') diff --git a/attic/muse_qt4_evolution/synti/zynaddsubfx/DSP/SVFilter.h b/attic/muse_qt4_evolution/synti/zynaddsubfx/DSP/SVFilter.h deleted file mode 100644 index 3117e2c9..00000000 --- a/attic/muse_qt4_evolution/synti/zynaddsubfx/DSP/SVFilter.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - ZynAddSubFX - a software synthesizer - - SV Filter.h - Several state-variable filters - 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 - -*/ - -#ifndef SV_FILTER_H -#define SV_FILTER_H - -#include "../globals.h" -#include "Filter_.h" -class SVFilter:public Filter_{ - public: - SVFilter(unsigned char Ftype,REALTYPE Ffreq, REALTYPE Fq,unsigned char Fstages); - ~SVFilter(); - void filterout(REALTYPE *smp); - void setfreq(REALTYPE frequency); - void setfreq_and_q(REALTYPE frequency,REALTYPE q_); - void setq(REALTYPE q_); - - void settype(int type_); - void setgain(REALTYPE dBgain); - void setstages(int stages_); - void cleanup(); - - private: - struct fstage{ - REALTYPE low,high,band,notch; - } st[MAX_FILTER_STAGES+1]; - - struct parameters{ - REALTYPE f,q,q_sqrt; - }par,ipar; - - - void singlefilterout(REALTYPE *smp,fstage &x,parameters &par); - void computefiltercoefs(); - int type;//The type of the filter (LPF1,HPF1,LPF2,HPF2...) - int stages;//how many times the filter is applied (0->1,1->2,etc.) - REALTYPE freq;//Frequency given in Hz - REALTYPE q; //Q factor (resonance or Q factor) - REALTYPE gain;//the gain of the filter (if are shelf/peak) filters - - int abovenq;//this is 1 if the frequency is above the nyquist - int oldabovenq; - int needsinterpolation,firsttime; -}; - - -#endif - -- cgit v1.2.3