diff options
Diffstat (limited to '3rdparty/openpgm-svn-r1085/pgm/include/impl/reed_solomon.h')
-rw-r--r-- | 3rdparty/openpgm-svn-r1085/pgm/include/impl/reed_solomon.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/include/impl/reed_solomon.h b/3rdparty/openpgm-svn-r1085/pgm/include/impl/reed_solomon.h new file mode 100644 index 0000000..98f6734 --- /dev/null +++ b/3rdparty/openpgm-svn-r1085/pgm/include/impl/reed_solomon.h @@ -0,0 +1,51 @@ +/* + * Reed-Solomon forward error correction based on Vandermonde matrices + * + * Copyright (c) 2006-2008 Miru Limited. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if !defined (__PGM_IMPL_FRAMEWORK_H_INSIDE__) && !defined (PGM_COMPILATION) +# error "Only <framework.h> can be included directly." +#endif + +#ifndef __PGM_IMPL_REED_SOLOMON_H__ +#define __PGM_IMPL_REED_SOLOMON_H__ + +typedef struct pgm_rs_t pgm_rs_t; + +#include <pgm/types.h> +#include <impl/galois.h> + +PGM_BEGIN_DECLS + +struct pgm_rs_t { + uint8_t n, k; /* RS(n, k) */ + pgm_gf8_t* GM; + pgm_gf8_t* RM; +}; + +#define PGM_RS_DEFAULT_N 255 + +PGM_GNUC_INTERNAL void pgm_rs_create (pgm_rs_t*, const uint8_t, const uint8_t); +PGM_GNUC_INTERNAL void pgm_rs_destroy (pgm_rs_t*); +PGM_GNUC_INTERNAL void pgm_rs_encode (pgm_rs_t*restrict, const pgm_gf8_t**restrict, const uint8_t, pgm_gf8_t*restrict, const uint16_t); +PGM_GNUC_INTERNAL void pgm_rs_decode_parity_inline (pgm_rs_t*restrict, pgm_gf8_t**restrict, const uint8_t*restrict, const uint16_t); +PGM_GNUC_INTERNAL void pgm_rs_decode_parity_appended (pgm_rs_t*restrict, pgm_gf8_t**restrict, const uint8_t*restrict, const uint16_t); + +PGM_END_DECLS + +#endif /* __PGM_IMPL_REED_SOLOMON_H__ */ |