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/*
Copyright (C) 2006-2009 Fons Adriaensen <fons@kokkinizita.net>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __DECODER_H
#define __DECODER_H
#include <inttypes.h>
#include "global.h"
#include "xover2.h"
#include "nffilt.h"
#include "adconf.h"
class Channel
{
public:
Channel (void) : _dline (0) {}
~Channel (void) { delete[] _dline; }
float _c0lf;
float _c0hf;
float _c1lf [3];
float _c1hf [3];
float _c2lf [5];
float _c2hf [5];
float _c3lf [2];
float _c3hf [2];
NF_filt1 _nffilt1;
NF_filt2 _nffilt2;
NF_filt3 _nffilt3;
int _delay;
float *_dline;
float _gcorr;
float _gain0;
};
class Decoder
{
public:
Decoder (void);
~Decoder (void);
enum { FRAG_SIZE = 256 };
enum { COMP_NFEIP = 1, COMP_NFEOP = 2, COMP_LEVEL = 4, COMP_DELAY = 8 };
enum { TEST_OFF, TEST_INT, TEST_EXT };
void init (int frate);
void reset (void);
void set_config (AD_conf *C);
void set_matrix (AD_conf *C);
void set_gain (float gain) { _gain = gain; }
void set_solo (uint32_t solo) { _solo = solo; }
void set_mute (uint32_t mute) { _mute = mute; }
void set_test (int test) { _inp1 = test; }
void process (int n, float *ip[], float *op[], float *ts, float *lm);
private:
void matr1band (int n, Channel *C);
void matr2band (int n, Channel *C);
void make_test (void);
float _frate;
int _nsig1; // number of inputs of order 1
int _nsig2; // number of inputs of order 2
int _nsig3; // number of inputs of order 3
int _nchan; // number of outputs, 4..MAXOP
int _nband; // number of frequency bands, 1 or 2
int _dsize; // size of delay lines in samples
int _tsize; // size of test signal in samples
int _comp; // compensation options
int _inp0; // current input
int _inp1; // next input
uint32_t _solo; // solo mask
uint32_t _mute; // mute mask
float _gain; // volume
int _idel; // delay write index
int _itst; // test read index
NF_filt1 _nffilt1 [3];
NF_filt2 _nffilt2 [5];
NF_filt3 _nffilt3 [2];
Xover2 _xover [9];
float _scale [9];
float _ip0lf [FRAG_SIZE];
float _ip0hf [FRAG_SIZE];
float _ip1lf [3][FRAG_SIZE];
float _ip1hf [3][FRAG_SIZE];
float _ip2lf [5][FRAG_SIZE];
float _ip2hf [5][FRAG_SIZE];
float _ip3lf [2][FRAG_SIZE];
float _ip3hf [2][FRAG_SIZE];
Channel _chan [MAXOP];
float _sig0 [FRAG_SIZE];
float _sig1 [FRAG_SIZE];
float _sig2 [FRAG_SIZE];
float _sig3 [FRAG_SIZE];
float *_test;
static const float _g_norm [11];
static const float _g_sn3d [11];
static const float _g_fuma [11];
};
#endif
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