53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
#include "common.h"
|
|
#define kNumRepDistances 4
|
|
#define kNumStates 12
|
|
extern const byte kLiteralNextStates[kNumStates];
|
|
extern const byte kMatchNextStates[kNumStates];
|
|
extern const byte kRepNextStates[kNumStates];
|
|
extern const byte kShortRepNextStates[kNumStates];
|
|
|
|
typedef byte CState;
|
|
#define CState_Init(a) a=0
|
|
#define CState_UpdateChar(a) a=kLiteralNextStates[a]
|
|
#define CState_UpdateMatch(a) a=kMatchNextStates[a]
|
|
#define CState_UpdateRep(a) a=kRepNextStates[a]
|
|
#define CState_UpdateShortRep(a) a=kShortRepNextStates[a]
|
|
#define CState_IsCharState(a) (a<7)
|
|
|
|
#define kNumPosSlotBits 6
|
|
#define kDicLogSizeMin 0
|
|
#define kDicLogSizeMax 32
|
|
#define kDistTableSizeMax (kDicLogSizeMax*2)
|
|
#define kNumLenToPosStates 4
|
|
|
|
#define GetLenToPosState(len) ((len<kNumLenToPosStates+2)?len-2:kNumLenToPosStates-1)
|
|
|
|
#define kNumPosStatesBitsMax 4
|
|
#define kNumPosStatesMax (1<<kNumPosStatesBitsMax)
|
|
|
|
#define kNumPosStatesBitsEncodingMax 4
|
|
#define kNumPosStatesEncodingMax (1 << kNumPosStatesBitsEncodingMax)
|
|
|
|
#define kNumLowBits 3
|
|
#define kNumMidBits 3
|
|
#define kNumHighBits 8
|
|
#define kNumLowSymbols (1<<kNumLowBits)
|
|
#define kNumMidSymbols (1<<kNumMidBits)
|
|
#define kNumSymbolsTotal (kNumLowSymbols + kNumMidSymbols + (1<<kNumHighBits))
|
|
|
|
#define kMatchMinLen 2
|
|
#define kMatchMaxLen (kMatchMinLen + kNumSymbolsTotal - 1)
|
|
|
|
#define kNumAlignBits 4
|
|
#define kAlignTableSize (1<<kNumAlignBits)
|
|
#define kAlignMask (kAlignTableSize-1)
|
|
|
|
#define kStartPosModelIndex 4
|
|
#define kEndPosModelIndex 14
|
|
#define kNumPosModels (kEndPosModelIndex-kStartPosModelIndex)
|
|
|
|
#define kNumFullDistances (1<<(kEndPosModelIndex/2))
|
|
#define kNumLitPosStatesBitsEncodingMax 4
|
|
#define kNumLitContextBitsMax 8
|
|
#define kNumMoveBits 5
|