wdsp/emnr.h
Uladzimir Karpenka 89c8a0e2b5 first commit
2026-06-01 15:58:45 +03:00

222 lines
4.0 KiB
C

/* emnr.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2015 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
*/
#ifndef _emnr_h
#define _emnr_h
typedef struct _emnr
{
int run;
int position;
int bsize;
double* in;
double* out;
int fsize;
int ovrlp;
int incr;
double* window;
int iasize;
double* inaccum;
double* forfftin;
double* forfftout;
int msize;
double* mask;
double* revfftin;
double* revfftout;
double** save;
int oasize;
double* outaccum;
double rate;
int wintype;
double ogain;
double gain;
int nsamps;
int iainidx;
int iaoutidx;
int init_oainidx;
int oainidx;
int oaoutidx;
int saveidx;
fftw_plan Rfor;
fftw_plan Rrev;
struct _g
{
int gain_method;
int npe_method;
int ae_run;
double msize;
double* mask;
double* y;
double* lambda_y;
double* lambda_d;
double* prev_mask;
double* prev_gamma;
double gf1p5;
double alpha;
double eps_floor;
double gamma_max;
double xi_min;
double q;
double gmax;
//
double* GG;
double* GGS;
FILE* fileb;
//
int dim_zeta;
double* zeta_hat;
int* zeta_true;
double z_gamma_min;
double z_gamma_max;
double z_xihat_min;
double z_xihat_max;
double zeta_thresh;
} g;
struct _npest
{
int incr;
double rate;
int msize;
double* lambda_y;
double* lambda_d;
double* p;
double* alphaOptHat;
double alphaC;
double alphaCsmooth;
double alphaCmin;
double* alphaHat;
double alphaMax;
double* sigma2N;
double alphaMin_max_value;
double snrq;
double betamax;
double* pbar;
double* p2bar;
double invQeqMax;
double av;
double* Qeq;
int U;
double Dtime;
int V;
int D;
double MofD;
double MofV;
double* bmin;
double* bmin_sub;
int* k_mod;
double* actmin;
double* actmin_sub;
int subwc;
int* lmin_flag;
double* pmin_u;
double invQbar_points[4];
double nsmax[4];
double** actminbuff;
int amb_idx;
} np;
struct _npests
{
int incr;
double rate;
int msize;
double* lambda_y;
double* lambda_d;
double alpha_pow;
double alpha_Pbar;
double epsH1;
double epsH1r;
double* sigma2N;
double* PH1y;
double* Pbar;
double* EN2y;
} nps;
struct _npestl
{
double rate;
int msize;
int incr;
double* Ysq;
double* P;
double* Pmin;
double* p;
double* D;
double* lambda_d;
double eta;
double gamma;
double beta;
double delta_LF;
double delta_MF;
double delta_0;
double delta_1;
double delta_2;
double alpha_d;
double alpha_p;
} npl;
struct _ae
{
int msize;
double* lambda_y;
double zetaThresh;
double psi;
double* nmask;
double t2;
} ae;
struct _post2
{
int run;
double nlevel;
double factor;
double taper;
double tc_decay;
double rate_decay;
double* w;
int noise_frames;
int noise_frame_index;
double* noise_frame;
double olddmag;
} post2;
}emnr, *EMNR;
extern EMNR create_emnr (int run, int position, int size, double* in, double* out, int fsize, int ovrlp,
int rate, int wintype, double gain, int gain_method, int npe_method, int ae_run);
extern void destroy_emnr (EMNR a);
extern void flush_emnr (EMNR a);
extern void xemnr (EMNR a, int pos);
extern void setBuffers_emnr (EMNR a, double* in, double* out);
extern void setSamplerate_emnr (EMNR a, int rate);
extern void setSize_emnr (EMNR a, int size);
#endif