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This commit is contained in:
Igor Pavlov
2018-12-30 14:01:47 +00:00
committed by Kornel
parent 18dc2b4161
commit 5b2a99c548
113 changed files with 1805 additions and 932 deletions
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6
C/Ppmd8.h
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@@ -1,5 +1,5 @@
/* Ppmd8.h -- PPMdI codec
2017-04-03 : Igor Pavlov : Public domain
2018-07-04 : Igor Pavlov : Public domain
This code is based on:
PPMd var.I (2002): Dmitry Shkarin : Public domain
Carryless rangecoder (1999): Dmitry Subbotin : Public domain */
@@ -86,7 +86,7 @@ typedef struct
} CPpmd8;
void Ppmd8_Construct(CPpmd8 *p);
Bool Ppmd8_Alloc(CPpmd8 *p, UInt32 size, ISzAllocPtr alloc);
BoolInt Ppmd8_Alloc(CPpmd8 *p, UInt32 size, ISzAllocPtr alloc);
void Ppmd8_Free(CPpmd8 *p, ISzAllocPtr alloc);
void Ppmd8_Init(CPpmd8 *p, unsigned maxOrder, unsigned restoreMethod);
#define Ppmd8_WasAllocated(p) ((p)->Base != NULL)
@@ -121,7 +121,7 @@ CPpmd_See *Ppmd8_MakeEscFreq(CPpmd8 *p, unsigned numMasked, UInt32 *scale);
/* ---------- Decode ---------- */
Bool Ppmd8_RangeDec_Init(CPpmd8 *p);
BoolInt 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 */