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/*
Copyright (C) 2008 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 __STCORRDSP_H
#define __STCORRDSP_H
class Stcorrdsp
{
public:
Stcorrdsp (void);
~Stcorrdsp (void);
void process (float *pl, float *pr, int n);
float read (void);
static void init (int fsamp, float flp, float tcf);
private:
float _zl; // filter states
float _zr;
float _zlr;
float _zll;
float _zrr;
static float _w1; // lowpass filter coefficient
static float _w2; // correlation filter coeffient
};
#endif
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