ardour/libs/ardour/ardour/mtdm.h

75 lines
1.7 KiB
C++

/*
* Copyright (C) 2003-2012 Fons Adriaensen <fons@kokkinizita.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2013 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.
*/
#ifndef __libardour_mtdm_h__
#define __libardour_mtdm_h__
#include <stddef.h>
#include "ardour/libardour_visibility.h"
class LIBARDOUR_API MTDM
{
public:
MTDM (int fsamp);
int process (size_t len, float* inp, float* out);
int resolve (void);
int inv (void) const { return _inv; }
double del (void) const { return _del; }
double err (void) const { return _err; }
void invert (void)
{
_inv ^= 1;
}
float get_peak ()
{
const float rv = _peak;
_peak = 0;
return rv;
}
private:
class Freq
{
public:
int p;
int f;
float xa;
float ya;
float x1;
float y1;
float x2;
float y2;
};
double _del;
double _err;
float _wlp;
int _cnt;
int _inv;
Freq _freq[13];
float _peak;
};
#endif /* __libardour_mtdm_h__ */