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/*
ZynAddSubFX - a software synthesizer
Resonance.h - Resonance
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 RESONANCE_H
#define RESONANCE_H
#define N_RES_POINTS 256
struct zyn_resonance
{
bool enabled; // whether resonance is enabled
unsigned char points[N_RES_POINTS]; // how many points define the resonance function
unsigned char maxdB; // how many dB the signal may be amplified
unsigned char centerfreq; // the center frequency of the res. func.
unsigned char octavesfreq; // and the number of octaves
unsigned char protectthefundamental; // the fundamental (1-st harmonic) is not damped, even it resonance function is low
float center; // center frequency(relative)
float bw; // bandwidth(relative)
};
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* Adjust editor indent */
#endif
void
zyn_resonance_init(
struct zyn_resonance * resonance_ptr);
void
zyn_resonance_apply(
struct zyn_resonance * resonance_ptr,
int n,
struct zyn_fft_freqs * fftdata_ptr,
float freq);
#if 0
{ /* Adjust editor indent */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#if 0
void setpoint(int n,unsigned char p);
void smooth();
void interpolatepeaks(int type);
void randomize(int type);
REALTYPE getfreqpos(REALTYPE freq);
REALTYPE getfreqx(REALTYPE x);
REALTYPE getfreqresponse(REALTYPE freq);
REALTYPE getcenterfreq();
REALTYPE getoctavesfreq();
void set_center(float center);
void set_badnwidth(float bandwidth);
#endif
#endif
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