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Uladzimir Karpenka
2026-06-01 15:58:45 +03:00
commit 89c8a0e2b5
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eq.h
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/* eq.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2013, 2016 Warren Pratt, NR0V
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The author can be reached by email at
warren@wpratt.com
*/
/********************************************************************************************************
* *
* Partitioned Overlap-Save Equalizer *
* *
********************************************************************************************************/
#ifndef _eqp_h
#define _eqp_h
#include "firmin.h"
typedef struct _eqp
{
int run;
int size;
int nc;
int mp;
double* in;
double* out;
int nfreqs;
double* F;
double* G;
int ctfmode;
int wintype;
double samplerate;
FIRCORE p;
} eqp, *EQP;
extern double* eq_impulse (int N, int nfreqs, double* F, double* G, double samplerate, double scale, int ctfmode, int wintype);
extern EQP create_eqp (int run, int size, int nc, int mp, double *in, double *out,
int nfreqs, double* F, double* G, int ctfmode, int wintype, int samplerate);
extern void destroy_eqp (EQP a);
extern void flush_eqp (EQP a);
extern void xeqp (EQP a);
extern void setBuffers_eqp (EQP a, double* in, double* out);
extern void setSamplerate_eqp (EQP a, int rate);
extern void setSize_eqp (EQP a, int size);
__declspec (dllexport) void SetRXAEQNC (int channel, int nc);
__declspec (dllexport) void SetRXAEQMP (int channel, int mp);
__declspec (dllexport) void SetTXAEQNC (int channel, int nc);
__declspec (dllexport) void SetTXAEQMP (int channel, int mp);
#endif
/********************************************************************************************************
* *
* Overlap-Save Equalizer *
* *
********************************************************************************************************/
#ifndef _eq_h
#define _eq_h
typedef struct _eq
{
int run;
int size;
double* in;
double* out;
int nfreqs;
double* F;
double* G;
double* infilt;
double* product;
double* mults;
double scale;
int ctfmode;
int wintype;
double samplerate;
fftw_plan CFor;
fftw_plan CRev;
}eq, *EQ;
extern double* eq_mults (int size, int nfreqs, double* F, double* G, double samplerate, double scale, int ctfmode, int wintype);
extern EQ create_eq (int run, int size, double *in, double *out, int nfreqs, double* F, double* G, int ctfmode, int wintype, int samplerate);
extern void destroy_eq (EQ a);
extern void flush_eq (EQ a);
extern void xeq (EQ a);
extern void setBuffers_eq (EQ a, double* in, double* out);
extern void setSamplerate_eq (EQ a, int rate);
extern void setSize_eq (EQ a, int size);
#endif