Bill Yi | 4e213d5 | 2015-06-23 13:53:11 -0700 | [diff] [blame] | 1 | /* Initialize a RS codec |
| 2 | * |
| 3 | * Copyright 2002 Phil Karn, KA9Q |
| 4 | * May be used under the terms of the GNU Lesser General Public License (LGPL) |
| 5 | */ |
| 6 | #include <stdlib.h> |
| 7 | #include "fec.h" |
| 8 | |
| 9 | #if !defined(NULL) |
| 10 | #define NULL ((void *)0) |
| 11 | #endif |
| 12 | |
| 13 | #include "rs-common.h" |
| 14 | |
| 15 | void free_rs(void *p){ |
| 16 | struct rs *rs = (struct rs *)p; |
| 17 | |
| 18 | free(rs->alpha_to); |
| 19 | free(rs->index_of); |
| 20 | free(rs->genpoly); |
| 21 | free(rs); |
| 22 | } |
| 23 | |
| 24 | /* Initialize a Reed-Solomon codec |
| 25 | * symsize = symbol size, bits |
| 26 | * gfpoly = Field generator polynomial coefficients |
| 27 | * fcr = first root of RS code generator polynomial, index form |
| 28 | * prim = primitive element to generate polynomial roots |
| 29 | * nroots = RS code generator polynomial degree (number of roots) |
| 30 | * pad = padding bytes at front of shortened block |
| 31 | */ |
| 32 | void *init_rs_common(int symsize,int gfpoly,int fcr,int prim, |
| 33 | int nroots,int pad){ |
| 34 | struct rs *rs; |
| 35 | |
| 36 | #include "init_rs.h" |
| 37 | |
| 38 | return rs; |
| 39 | } |