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https://github.com/libretro/beetle-psx-libretro.git
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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#ifndef _L_EC_H
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#define _L_EC_H
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#include <stdint.h>
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#include "galois.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define N_P_VECTORS 86 /* 43 16bit p vectors */
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#define P_VECTOR_SIZE 26 /* using RS(26,24) ECC */
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#define N_Q_VECTORS 52 /* 26 16bit q vectors */
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#define Q_VECTOR_SIZE 45 /* using RS(45,43) ECC */
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#define P_PADDING 229 /* padding values for */
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#define Q_PADDING 210 /* shortened RS code */
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int PToByteIndex(int, int);
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int QToByteIndex(int, int);
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void ByteIndexToP(int, int*, int*);
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void ByteIndexToQ(int, int*, int*);
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void GetPVector(unsigned char*, unsigned char*, int);
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void SetPVector(unsigned char*, unsigned char*, int);
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void FillPVector(unsigned char*, unsigned char, int);
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void AndPVector(unsigned char*, unsigned char, int);
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void OrPVector(unsigned char*, unsigned char, int);
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void GetQVector(unsigned char*, unsigned char*, int);
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void SetQVector(unsigned char*, unsigned char*, int);
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void FillQVector(unsigned char*, unsigned char, int);
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void AndQVector(unsigned char*, unsigned char, int);
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void OrQVector(unsigned char*, unsigned char, int);
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int DecodePQ(ReedSolomonTables*, unsigned char*, int, int*, int);
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int CountC2Errors(unsigned char*);
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#ifdef __cplusplus
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}
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#endif
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#endif
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