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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5098 | clevermous | 1 | #ifndef _LZMA_ENCODER_H |
| 2 | #define _LZMA_ENCODER_H |
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| 3 | |||
| 4 | #include "lzma.h" |
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| 5 | #include "RangeCoderBitTree.h" |
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| 6 | |||
| 7 | typedef struct |
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| 8 | { |
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| 9 | CState State; |
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| 10 | bool Prev1IsChar; |
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| 11 | bool Prev2; |
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| 12 | unsigned PosPrev2; |
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| 13 | unsigned BackPrev2; |
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| 14 | unsigned Price; |
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| 15 | unsigned PosPrev; |
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| 16 | unsigned BackPrev; |
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| 17 | unsigned Backs[kNumRepDistances]; |
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| 18 | } COptimal; |
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| 19 | #define COptimal_MakeAsChar(a) (a)->BackPrev=(unsigned)-1,(a)->Prev1IsChar=false |
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| 20 | #define COptimal_MakeAsShortRep(a) (a)->BackPrev=0,(a)->Prev1IsChar=false |
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| 21 | #define COptimal_IsShortRep(a) ((a)->BackPrev==0) |
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| 22 | |||
| 23 | #define kIfinityPrice 0xFFFFFFF |
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| 24 | #define kNumOpts (1<<12) |
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| 25 | |||
| 26 | typedef CMyBitEncoder CLiteralEncoder2[0x300]; |
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| 27 | typedef struct |
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| 28 | { |
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| 29 | CLiteralEncoder2* _coders; |
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| 30 | int _numPrevBits; |
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| 31 | int _numPosBits; |
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| 32 | unsigned _posMask; |
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| 33 | } CLiteralEncoder; |
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| 34 | |||
| 35 | typedef struct |
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| 36 | { |
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| 37 | CMyBitEncoder _choice; |
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| 38 | CMyBitEncoder _choice2; |
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| 39 | NRangeCoder_CBitTreeEncoder _lowCoder[kNumPosStatesEncodingMax]; |
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| 40 | NRangeCoder_CBitTreeEncoder _midCoder[kNumPosStatesEncodingMax]; |
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| 41 | NRangeCoder_CBitTreeEncoder _highCoder; |
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| 42 | } NLength_CEncoder; |
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| 43 | |||
| 44 | typedef struct |
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| 45 | { |
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| 46 | NLength_CEncoder base; |
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| 47 | unsigned _prices[kNumSymbolsTotal][kNumPosStatesEncodingMax]; |
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| 48 | unsigned _tableSize; |
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| 49 | unsigned _counters[kNumPosStatesEncodingMax]; |
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| 50 | } NLength_CPriceTableEncoder; |
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| 51 | #define CPriceTableEncoder_Init(a,b) NLength_CEncoder_Init(&a.base,b) |
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| 52 | |||
| 53 | #endif |