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-rw-r--r--src/lib/lib7z/Ppmd8.h137
1 files changed, 0 insertions, 137 deletions
diff --git a/src/lib/lib7z/Ppmd8.h b/src/lib/lib7z/Ppmd8.h
deleted file mode 100644
index 5c3613fd8b9..00000000000
--- a/src/lib/lib7z/Ppmd8.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/* Ppmd8.h -- PPMdI codec
-2011-01-27 : Igor Pavlov : Public domain
-This code is based on:
- PPMd var.I (2002): Dmitry Shkarin : Public domain
- Carryless rangecoder (1999): Dmitry Subbotin : Public domain */
-
-#ifndef __PPMD8_H
-#define __PPMD8_H
-
-#include "Ppmd.h"
-
-EXTERN_C_BEGIN
-
-#define PPMD8_MIN_ORDER 2
-#define PPMD8_MAX_ORDER 16
-
-struct CPpmd8_Context_;
-
-typedef
- #ifdef PPMD_32BIT
- struct CPpmd8_Context_ *
- #else
- UInt32
- #endif
- CPpmd8_Context_Ref;
-
-#pragma pack(push, 1)
-
-typedef struct CPpmd8_Context_
-{
- Byte NumStats;
- Byte Flags;
- UInt16 SummFreq;
- CPpmd_State_Ref Stats;
- CPpmd8_Context_Ref Suffix;
-} CPpmd8_Context;
-
-#pragma pack(pop)
-
-#define Ppmd8Context_OneState(p) ((CPpmd_State *)&(p)->SummFreq)
-
-/* The BUG in Shkarin's code for FREEZE mode was fixed, but that fixed
- code is not compatible with original code for some files compressed
- in FREEZE mode. So we disable FREEZE mode support. */
-
-enum
-{
- PPMD8_RESTORE_METHOD_RESTART,
- PPMD8_RESTORE_METHOD_CUT_OFF
- #ifdef PPMD8_FREEZE_SUPPORT
- , PPMD8_RESTORE_METHOD_FREEZE
- #endif
-};
-
-typedef struct
-{
- CPpmd8_Context *MinContext, *MaxContext;
- CPpmd_State *FoundState;
- unsigned OrderFall, InitEsc, PrevSuccess, MaxOrder;
- Int32 RunLength, InitRL; /* must be 32-bit at least */
-
- UInt32 Size;
- UInt32 GlueCount;
- Byte *Base, *LoUnit, *HiUnit, *Text, *UnitsStart;
- UInt32 AlignOffset;
- unsigned RestoreMethod;
-
- /* Range Coder */
- UInt32 Range;
- UInt32 Code;
- UInt32 Low;
- union
- {
- IByteIn *In;
- IByteOut *Out;
- } Stream;
-
- Byte Indx2Units[PPMD_NUM_INDEXES];
- Byte Units2Indx[128];
- CPpmd_Void_Ref FreeList[PPMD_NUM_INDEXES];
- UInt32 Stamps[PPMD_NUM_INDEXES];
-
- Byte NS2BSIndx[256], NS2Indx[260];
- CPpmd_See DummySee, See[24][32];
- UInt16 BinSumm[25][64];
-} CPpmd8;
-
-void Ppmd8_Construct(CPpmd8 *p);
-Bool Ppmd8_Alloc(CPpmd8 *p, UInt32 size, ISzAlloc *alloc);
-void Ppmd8_Free(CPpmd8 *p, ISzAlloc *alloc);
-void Ppmd8_Init(CPpmd8 *p, unsigned maxOrder, unsigned restoreMethod);
-#define Ppmd8_WasAllocated(p) ((p)->Base != NULL)
-
-
-/* ---------- Internal Functions ---------- */
-
-extern const Byte PPMD8_kExpEscape[16];
-
-#ifdef PPMD_32BIT
- #define Ppmd8_GetPtr(p, ptr) (ptr)
- #define Ppmd8_GetContext(p, ptr) (ptr)
- #define Ppmd8_GetStats(p, ctx) ((ctx)->Stats)
-#else
- #define Ppmd8_GetPtr(p, offs) ((void *)((p)->Base + (offs)))
- #define Ppmd8_GetContext(p, offs) ((CPpmd8_Context *)Ppmd8_GetPtr((p), (offs)))
- #define Ppmd8_GetStats(p, ctx) ((CPpmd_State *)Ppmd8_GetPtr((p), ((ctx)->Stats)))
-#endif
-
-void Ppmd8_Update1(CPpmd8 *p);
-void Ppmd8_Update1_0(CPpmd8 *p);
-void Ppmd8_Update2(CPpmd8 *p);
-void Ppmd8_UpdateBin(CPpmd8 *p);
-
-#define Ppmd8_GetBinSumm(p) \
- &p->BinSumm[p->NS2Indx[Ppmd8Context_OneState(p->MinContext)->Freq - 1]][ \
- p->NS2BSIndx[Ppmd8_GetContext(p, p->MinContext->Suffix)->NumStats] + \
- p->PrevSuccess + p->MinContext->Flags + ((p->RunLength >> 26) & 0x20)]
-
-CPpmd_See *Ppmd8_MakeEscFreq(CPpmd8 *p, unsigned numMasked, UInt32 *scale);
-
-
-/* ---------- Decode ---------- */
-
-Bool Ppmd8_RangeDec_Init(CPpmd8 *p);
-#define Ppmd8_RangeDec_IsFinishedOK(p) ((p)->Code == 0)
-int Ppmd8_DecodeSymbol(CPpmd8 *p); /* returns: -1 as EndMarker, -2 as DataError */
-
-
-/* ---------- Encode ---------- */
-
-#define Ppmd8_RangeEnc_Init(p) { (p)->Low = 0; (p)->Range = 0xFFFFFFFF; }
-void Ppmd8_RangeEnc_FlushData(CPpmd8 *p);
-void Ppmd8_EncodeSymbol(CPpmd8 *p, int symbol); /* symbol = -1 means EndMarker */
-
-EXTERN_C_END
-
-#endif