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8198c5f15e
and add standard license header where missing. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28264 b3059339-0415-0410-9bf9-f77b7e298cf2
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*
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* Copyright (C) 2001 Anders Johansson ajh@atri.curtin.edu.au
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Calculates a number of window functions. The following window
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functions are currently implemented: Boxcar, Triang, Hanning,
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Hamming, Blackman, Flattop and Kaiser. In the function call n is
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the number of filter taps and w the buffer in which the filter
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coefficients will be stored.
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*/
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#if !defined MPLAYER_DSP_H
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# error Never use window.h directly; include dsp.h instead.
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#endif
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#ifndef MPLAYER_WINDOW_H
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#define MPLAYER_WINDOW_H
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void af_window_boxcar(int n, FLOAT_TYPE* w);
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void af_window_triang(int n, FLOAT_TYPE* w);
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void af_window_hanning(int n, FLOAT_TYPE* w);
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void af_window_hamming(int n, FLOAT_TYPE* w);
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void af_window_blackman(int n, FLOAT_TYPE* w);
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void af_window_flattop(int n, FLOAT_TYPE* w);
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void af_window_kaiser(int n, FLOAT_TYPE* w, FLOAT_TYPE b);
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#endif /* MPLAYER_WINDOW_H */
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