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itu468detect.h

// ----------------------------------------------------------------------- 
//
//  Copyright (C) 2010 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 __ITU468DETECT_H
#define __ITU468DETECT_H


00026 class Itu468detect
{
public:

    Itu468detect (void) {}
    ~Itu468detect (void) {}

    int   init (int fsamp);
    void  reset (void);
    void  process (int n, const float *inp);
    float value (void) { return 1.1453f * _z2; }

private:

    float _a1, _b1;
    float _a2, _b2;
    float _z1, _z2;
};


#endif



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