56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* dvdisaster: Additional error correction for optical media.
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* Copyright (C) 2004-2017 Carsten Gnoerlich.
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*
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* Email: carsten@dvdisaster.org -or- cgnoerlich@fsfe.org
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* Project homepage: http://www.dvdisaster.org
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*
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* This file is part of dvdisaster.
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*
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* dvdisaster is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dvdisaster is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dvdisaster.h"
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#if 0
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void Maintenance1(char *debug_arg)
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{
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printf("\nMaintenance stub called with arg: %s\n\n", debug_arg);
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exit(0);
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}
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#else
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void Maintenance1(char *debug_arg)
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{ GaloisTables *gt = CreateGaloisTables(RS_GENERATOR_POLY);
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ReedSolomonTables *rt = CreateReedSolomonTables(gt, RS_FIRST_ROOT, RS_PRIM_ELEM, 32);
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unsigned char data[2048], parity[32*2048];
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int i;
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memset(parity, 0, 32*2048);
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for(i=0; i<223; i++)
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{ int shift = (rt->shiftInit + i) % 32;
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memset(data, i, 2048);
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EncodeNextLayer(rt, data, parity, 2048, shift);
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}
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for(i=0; i<32; i++)
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printf("%02x ", parity[i]);
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printf("\n");
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}
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#endif
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