/*============================================================================= // // This software has been released under the terms of the GNU General Public // license. See http://www.gnu.org/copyleft/gpl.html for details. // // Copyright 2001 Anders Johansson ajh@atri.curtin.edu.au // //============================================================================= */ /* 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 extern void af_window_boxcar(int n, FLOAT_TYPE* w); extern void af_window_triang(int n, FLOAT_TYPE* w); extern void af_window_hanning(int n, FLOAT_TYPE* w); extern void af_window_hamming(int n, FLOAT_TYPE* w); extern void af_window_blackman(int n, FLOAT_TYPE* w); extern void af_window_flattop(int n, FLOAT_TYPE* w); extern void af_window_kaiser(int n, FLOAT_TYPE* w, FLOAT_TYPE b); #endif /* MPLAYER_WINDOW_H */