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/*
* Copyright (C) 2001 Anders Johansson ajh@atri.curtin.edu.au
*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Calculates a number of window functions. The following window
functions are currently implemented: Boxcar, Triang, Hanning,
Hamming, Blackman, Flattop and Kaiser. In the function call n is
the number of filter taps and w the buffer in which the filter
coefficients will be stored.
*/
#if !defined MPLAYER_DSP_H
# error Never use window.h directly; include dsp.h instead.
#endif
#ifndef MPLAYER_WINDOW_H
#define MPLAYER_WINDOW_H
void af_window_boxcar(int n, FLOAT_TYPE* w);
void af_window_triang(int n, FLOAT_TYPE* w);
void af_window_hanning(int n, FLOAT_TYPE* w);
void af_window_hamming(int n, FLOAT_TYPE* w);
void af_window_blackman(int n, FLOAT_TYPE* w);
void af_window_flattop(int n, FLOAT_TYPE* w);
void af_window_kaiser(int n, FLOAT_TYPE* w, FLOAT_TYPE b);
#endif /* MPLAYER_WINDOW_H */
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