| 0,0 → 1,53 |
|---|
| #ifndef _LZMA_ENCODER_H |
| #define _LZMA_ENCODER_H |
| |
| #include "lzma.h" |
| #include "RangeCoderBitTree.h" |
| |
| typedef struct |
| { |
| CState State; |
| bool Prev1IsChar; |
| bool Prev2; |
| unsigned PosPrev2; |
| unsigned BackPrev2; |
| unsigned Price; |
| unsigned PosPrev; |
| unsigned BackPrev; |
| unsigned Backs[kNumRepDistances]; |
| } COptimal; |
| #define COptimal_MakeAsChar(a) (a)->BackPrev=(unsigned)-1,(a)->Prev1IsChar=false |
| #define COptimal_MakeAsShortRep(a) (a)->BackPrev=0,(a)->Prev1IsChar=false |
| #define COptimal_IsShortRep(a) ((a)->BackPrev==0) |
| |
| #define kIfinityPrice 0xFFFFFFF |
| #define kNumOpts (1<<12) |
| |
| typedef CMyBitEncoder CLiteralEncoder2[0x300]; |
| typedef struct |
| { |
| CLiteralEncoder2* _coders; |
| int _numPrevBits; |
| int _numPosBits; |
| unsigned _posMask; |
| } CLiteralEncoder; |
| |
| typedef struct |
| { |
| CMyBitEncoder _choice; |
| CMyBitEncoder _choice2; |
| NRangeCoder_CBitTreeEncoder _lowCoder[kNumPosStatesEncodingMax]; |
| NRangeCoder_CBitTreeEncoder _midCoder[kNumPosStatesEncodingMax]; |
| NRangeCoder_CBitTreeEncoder _highCoder; |
| } NLength_CEncoder; |
| |
| typedef struct |
| { |
| NLength_CEncoder base; |
| unsigned _prices[kNumSymbolsTotal][kNumPosStatesEncodingMax]; |
| unsigned _tableSize; |
| unsigned _counters[kNumPosStatesEncodingMax]; |
| } NLength_CPriceTableEncoder; |
| #define CPriceTableEncoder_Init(a,b) NLength_CEncoder_Init(&a.base,b) |
| |
| #endif |