128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* 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
|