telephony.h

00001 /*
00002  * SpanDSP - a series of DSP components for telephony
00003  *
00004  * telephony.h - some very basic telephony definitions
00005  *
00006  * Written by Steve Underwood <steveu@coppice.org>
00007  *
00008  * Copyright (C) 2003 Steve Underwood
00009  *
00010  * All rights reserved.
00011  *
00012  * This program is free software; you can redistribute it and/or modify
00013  * it under the terms of the GNU General Public License as published by
00014  * the Free Software Foundation; either version 2 of the License, or
00015  * (at your option) any later version.
00016  *
00017  * This program is distributed in the hope that it will be useful,
00018  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00019  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020  * GNU General Public License for more details.
00021  *
00022  * You should have received a copy of the GNU General Public License
00023  * along with this program; if not, write to the Free Software
00024  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00025  *
00026  * $Id: telephony.h,v 1.3 2005/11/17 17:10:45 steveu Exp $
00027  */
00028 
00029 #if !defined(_TELEPHONY_H_)
00030 #define _TELEPHONY_H_
00031 
00032 #define SAMPLE_RATE     8000
00033 
00034 #if !defined(FALSE)
00035 #define FALSE 0
00036 #endif
00037 #if !defined(TRUE)
00038 #define TRUE (!FALSE)
00039 #endif
00040 
00041 #if defined(__cplusplus)
00042 /* C++ doesn't seem to have sane rounding functions/macros yet */
00043 #define lrintf(x) ((long int) (x))
00044 #endif
00045 
00046 #endif
00047 /*- End of file ------------------------------------------------------------*/

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