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5910188a5e
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26382 b3059339-0415-0410-9bf9-f77b7e298cf2
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*=============================================================================
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//
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// This software has been released under the terms of the GNU General Public
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// license. See http://www.gnu.org/copyleft/gpl.html for details.
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//
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// Copyright 2001 Anders Johansson ajh@atri.curtin.edu.au
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//
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//=============================================================================
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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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extern void af_window_boxcar(int n, FLOAT_TYPE* w);
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extern void af_window_triang(int n, FLOAT_TYPE* w);
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extern void af_window_hanning(int n, FLOAT_TYPE* w);
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extern void af_window_hamming(int n, FLOAT_TYPE* w);
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extern void af_window_blackman(int n, FLOAT_TYPE* w);
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extern void af_window_flattop(int n, FLOAT_TYPE* w);
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extern void af_window_kaiser(int n, FLOAT_TYPE* w, FLOAT_TYPE b);
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#endif /* MPLAYER_WINDOW_H */
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