mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 07:42:17 +00:00
0cdf4524e7
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3483 b3059339-0415-0410-9bf9-f77b7e298cf2
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/**************************************************************************
|
|
* Parks-McClellan algorithm for FIR filter design (C version)
|
|
*-------------------------------------------------
|
|
* Copyright (c) 1995,1998 Jake Janovetz (janovetz@uiuc.edu)
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*************************************************************************/
|
|
#ifndef __REMEZ_H__
|
|
#define __REMEZ_H__
|
|
|
|
#define BANDPASS 1
|
|
#define DIFFERENTIATOR 2
|
|
#define HILBERT 3
|
|
|
|
#define NEGATIVE 0
|
|
#define POSITIVE 1
|
|
|
|
#define Pi 3.1415926535897932
|
|
#define Pi2 6.2831853071795865
|
|
|
|
#define GRIDDENSITY 16
|
|
#define MAXITERATIONS 40
|
|
|
|
/* Function prototype for remez() - the only function that should need be
|
|
* called from external code
|
|
*/
|
|
void remez(double h[], int numtaps,
|
|
int numband, double bands[], double des[], double weight[],
|
|
int type);
|
|
|
|
#endif /* __REMEZ_H__ */
|
|
|