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153 lines
3.6 KiB
C++
153 lines
3.6 KiB
C++
/* cfcomp.h
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2017, 2021 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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#ifndef wdsp_cfcomp_h
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#define wdsp_cfcomp_h
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#include "fftw3.h"
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#include "export.h"
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namespace WDSP {
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class TXA;
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class WDSP_API CFCOMP
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{
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public:
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int run;
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int position;
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int bsize;
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float* in;
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float* out;
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int fsize;
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int ovrlp;
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int incr;
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float* window;
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int iasize;
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float* inaccum;
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float* forfftin;
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float* forfftout;
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int msize;
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float* cmask;
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float* mask;
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int mask_ready;
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float* cfc_gain;
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float* revfftin;
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float* revfftout;
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float** save;
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int oasize;
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float* outaccum;
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float rate;
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int wintype;
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float pregain;
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float postgain;
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int nsamps;
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int iainidx;
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int iaoutidx;
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int init_oainidx;
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int oainidx;
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int oaoutidx;
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int saveidx;
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fftwf_plan Rfor;
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fftwf_plan Rrev;
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int comp_method;
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int nfreqs;
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float* F;
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float* G;
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float* E;
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float* fp;
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float* gp;
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float* ep;
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float* comp;
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float precomp;
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float precomplin;
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float* peq;
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int peq_run;
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float prepeq;
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float prepeqlin;
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float winfudge;
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float gain;
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float mtau;
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float mmult;
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// display stuff
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float dtau;
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float dmult;
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float* delta;
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float* delta_copy;
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float* cfc_gain_copy;
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static CFCOMP* create_cfcomp (
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int run,
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int position,
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int peq_run,
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int size,
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float* in,
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float* out,
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int fsize,
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int ovrlp,
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int rate,
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int wintype,
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int comp_method,
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int nfreqs,
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float precomp,
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float prepeq,
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float* F,
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float* G,
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float* E,
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float mtau,
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float dtau
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);
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static void destroy_cfcomp (CFCOMP *a);
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static void flush_cfcomp (CFCOMP *a);
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static void xcfcomp (CFCOMP *a, int pos);
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static void setBuffers_cfcomp (CFCOMP *a, float* in, float* out);
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static void setSamplerate_cfcomp (CFCOMP *a, int rate);
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static void setSize_cfcomp (CFCOMP *a, int size);
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// TXA Properties
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static void SetCFCOMPRun (TXA& txa, int run);
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static void SetCFCOMPPosition (TXA& txa, int pos);
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static void SetCFCOMPprofile (TXA& txa, int nfreqs, float* F, float* G, float *E);
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static void SetCFCOMPPrecomp (TXA& txa, float precomp);
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static void SetCFCOMPPeqRun (TXA& txa, int run);
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static void SetCFCOMPPrePeq (TXA& txa, float prepeq);
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static void GetCFCOMPDisplayCompression (TXA& txa, float* comp_values, int* ready);
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private:
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static void calc_cfcwindow (CFCOMP *a);
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static int fCOMPcompare (const void *a, const void *b);
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static void calc_comp (CFCOMP *a);
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static void calc_cfcomp(CFCOMP *a);
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static void decalc_cfcomp(CFCOMP *a);
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static void calc_mask (CFCOMP *a);
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};
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} // namespace WDSP
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#endif
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