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- /*
- ZynAddSubFX - a software synthesizer
-
- EffectLFO.h - Stereo LFO used by some effects
- 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 or later) 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 EFFECT_LFO_H
- #define EFFECT_LFO_H
-
- /**LFO for some of the Effect objects
- * \todo see if this should inherit LFO*/
- class EffectLFO
- {
- public:
- EffectLFO(float srate_f, float bufsize_f);
- ~EffectLFO();
- void effectlfoout(float *outl, float *outr);
- void updateparams(void);
- unsigned char Pfreq;
- unsigned char Prandomness;
- unsigned char PLFOtype;
- unsigned char Pstereo; // 64 is centered
- private:
- float getlfoshape(float x);
-
- float xl, xr;
- float incx;
- float ampl1, ampl2, ampr1, ampr2; //necessary for "randomness"
- float lfointensity;
- float lfornd;
- char lfotype;
-
- // current setup
- float samplerate_f;
- float buffersize_f;
- };
-
- #endif
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