mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-10 04:07:12 -06:00
Update to 7-Zip 17.00 Beta
This commit is contained in:
26
C/Ppmd7.h
26
C/Ppmd7.h
@@ -1,5 +1,5 @@
|
||||
/* Ppmd7.h -- PPMdH compression codec
|
||||
2016-05-21 : Igor Pavlov : Public domain
|
||||
2017-04-03 : Igor Pavlov : Public domain
|
||||
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
|
||||
|
||||
/* This code supports virtual RangeDecoder and includes the implementation
|
||||
@@ -60,8 +60,8 @@ typedef struct
|
||||
} CPpmd7;
|
||||
|
||||
void Ppmd7_Construct(CPpmd7 *p);
|
||||
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAlloc *alloc);
|
||||
void Ppmd7_Free(CPpmd7 *p, ISzAlloc *alloc);
|
||||
Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAllocPtr alloc);
|
||||
void Ppmd7_Free(CPpmd7 *p, ISzAllocPtr alloc);
|
||||
void Ppmd7_Init(CPpmd7 *p, unsigned maxOrder);
|
||||
#define Ppmd7_WasAllocated(p) ((p)->Base != NULL)
|
||||
|
||||
@@ -86,8 +86,8 @@ void Ppmd7_Update2(CPpmd7 *p);
|
||||
void Ppmd7_UpdateBin(CPpmd7 *p);
|
||||
|
||||
#define Ppmd7_GetBinSumm(p) \
|
||||
&p->BinSumm[(unsigned)Ppmd7Context_OneState(p->MinContext)->Freq - 1][p->PrevSuccess + \
|
||||
p->NS2BSIndx[Ppmd7_GetContext(p, p->MinContext->Suffix)->NumStats - 1] + \
|
||||
&p->BinSumm[(size_t)(unsigned)Ppmd7Context_OneState(p->MinContext)->Freq - 1][p->PrevSuccess + \
|
||||
p->NS2BSIndx[(size_t)Ppmd7_GetContext(p, p->MinContext->Suffix)->NumStats - 1] + \
|
||||
(p->HiBitsFlag = p->HB2Flag[p->FoundState->Symbol]) + \
|
||||
2 * p->HB2Flag[(unsigned)Ppmd7Context_OneState(p->MinContext)->Symbol] + \
|
||||
((p->RunLength >> 26) & 0x20)]
|
||||
@@ -97,16 +97,18 @@ CPpmd_See *Ppmd7_MakeEscFreq(CPpmd7 *p, unsigned numMasked, UInt32 *scale);
|
||||
|
||||
/* ---------- Decode ---------- */
|
||||
|
||||
typedef struct
|
||||
typedef struct IPpmd7_RangeDec IPpmd7_RangeDec;
|
||||
|
||||
struct IPpmd7_RangeDec
|
||||
{
|
||||
UInt32 (*GetThreshold)(void *p, UInt32 total);
|
||||
void (*Decode)(void *p, UInt32 start, UInt32 size);
|
||||
UInt32 (*DecodeBit)(void *p, UInt32 size0);
|
||||
} IPpmd7_RangeDec;
|
||||
UInt32 (*GetThreshold)(const IPpmd7_RangeDec *p, UInt32 total);
|
||||
void (*Decode)(const IPpmd7_RangeDec *p, UInt32 start, UInt32 size);
|
||||
UInt32 (*DecodeBit)(const IPpmd7_RangeDec *p, UInt32 size0);
|
||||
};
|
||||
|
||||
typedef struct
|
||||
{
|
||||
IPpmd7_RangeDec p;
|
||||
IPpmd7_RangeDec vt;
|
||||
UInt32 Range;
|
||||
UInt32 Code;
|
||||
IByteIn *Stream;
|
||||
@@ -116,7 +118,7 @@ void Ppmd7z_RangeDec_CreateVTable(CPpmd7z_RangeDec *p);
|
||||
Bool Ppmd7z_RangeDec_Init(CPpmd7z_RangeDec *p);
|
||||
#define Ppmd7z_RangeDec_IsFinishedOK(p) ((p)->Code == 0)
|
||||
|
||||
int Ppmd7_DecodeSymbol(CPpmd7 *p, IPpmd7_RangeDec *rc);
|
||||
int Ppmd7_DecodeSymbol(CPpmd7 *p, const IPpmd7_RangeDec *rc);
|
||||
|
||||
|
||||
/* ---------- Encode ---------- */
|
||||
|
||||
Reference in New Issue
Block a user