/* 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