test suite: Fail test if para_server could not be started.
[paraslash.git] / fec.h
1 /** \file fec.h Exported symbols from fec.c. */
2
3 /*
4 * 980614
5 * (C) 1997-98 Luigi Rizzo (luigi@iet.unipi.it)
6 *
7 * Portions derived from code by Phil Karn (karn@ka9q.ampr.org),
8 * Robert Morelos-Zaragoza (robert@spectra.eng.hawaii.edu) and Hari
9 * Thirumoorthy (harit@spectra.eng.hawaii.edu), Aug 1995
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials
20 * provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
27 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
29 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
31 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33 * OF SUCH DAMAGE.
34 */
35
36 /** Each FEC slice contains a FEC header of this size. */
37 #define FEC_HEADER_SIZE 32
38 /** The FEC header starts with this magic value. */
39 #define FEC_MAGIC 0xFECC0DEC
40
41 struct fec_parms;
42
43 int fec_new(int k, int n, struct fec_parms **parms);
44 void fec_free(struct fec_parms *p);
45 void fec_encode(struct fec_parms *parms, const unsigned char * const *src,
46 unsigned char *dst, int idx, int sz);
47 int fec_decode(struct fec_parms *parms, unsigned char **data, int *idx,
48 int sz);