Files
dvdisaster/maintenance.c
2010-11-06 20:36:40 -02:00

55 lines
1.6 KiB
C

/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2010 Carsten Gnoerlich.
* Project home page: http://www.dvdisaster.com
* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA,
* or direct your browser at http://www.gnu.org.
*/
#include "dvdisaster.h"
#if 0
void Maintenance1(char *debug_arg)
{
printf("\nMaintenance stub called with arg: %s\n\n", debug_arg);
exit(0);
}
#else
void Maintenance1(char *debug_arg)
{ GaloisTables *gt = CreateGaloisTables(RS_GENERATOR_POLY);
ReedSolomonTables *rt = CreateReedSolomonTables(gt, RS_FIRST_ROOT, RS_PRIM_ELEM, 32);
unsigned char data[2048], parity[32*2048];
int i;
memset(parity, 0, 32*2048);
for(i=0; i<223; i++)
{ int shift = (rt->shiftInit + i) % 32;
memset(data, i, 2048);
EncodeNextLayer(rt, data, parity, 2048, shift);
}
for(i=0; i<32; i++)
printf("%02x ", parity[i]);
printf("\n");
}
#endif