/*

TiMidity -- Experimental MIDI to WAVE converter

Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>

This program is free software; you can redistribute it and/or modify

it under the terms of the Perl Artistic License, available in COPYING.

filter.h : written by Vincent Pagel ( pagel@loria.fr )

implements fir antialiasing filter : should help when setting sample

rates as low as 8Khz.

*/

/* Order of the FIR filter = 20 should be enough ! */

#define ORDER 20

#define ORDER2 ORDER/2

#ifndef PI

#define PI 3.14159265

#endif

extern void antialiasing(Sample *sp, int32 output_rate);