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This commit is contained in:
Igor Pavlov
2005-05-30 00:00:00 +00:00
committed by Kornel Lesiński
parent 8c1b5c7b7e
commit 3c510ba80b
926 changed files with 40559 additions and 23519 deletions
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108
7zip/Compress/Deflate/DeflateEncoder.h
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@@ -1,7 +1,5 @@
// DeflateEncoder.h
#pragma once
#ifndef __DEFLATE_ENCODER_H
#define __DEFLATE_ENCODER_H
@@ -9,7 +7,7 @@
#include "../../ICoder.h"
#include "../../Common/LSBFEncoder.h"
#include "../LZ/BinTree/BinTree3Z.h"
#include "../LZ/IMatchFinder.h"
#include "../Huffman/HuffmanEncoder.h"
#include "DeflateConst.h"
@@ -20,22 +18,22 @@ namespace NEncoder {
struct CCodeValue
{
BYTE Flag;
Byte Flag;
union
{
BYTE Imm;
BYTE Len;
Byte Imm;
Byte Len;
};
UINT16 Pos;
UInt16 Pos;
};
class COnePosMatches
{
public:
UINT16 *MatchDistances;
UINT16 LongestMatchLength;
UINT16 LongestMatchDistance;
void Init(UINT16 *matchDistances)
UInt16 *MatchDistances;
UInt16 LongestMatchLength;
UInt16 LongestMatchDistance;
void Init(UInt16 *matchDistances)
{
MatchDistances = matchDistances;
};
@@ -43,21 +41,20 @@ public:
struct COptimal
{
UINT32 Price;
UINT16 PosPrev;
UINT16 BackPrev;
UInt32 Price;
UInt16 PosPrev;
UInt16 BackPrev;
};
const int kNumOpts = 0x1000;
class CCoder
{
UINT32 m_FinderPos;
UInt32 m_FinderPos;
COptimal m_Optimum[kNumOpts];
// CComPtr<IInWindowStreamMatch> m_MatchFinder;
NBT3Z::CInTree m_MatchFinder;
CMyComPtr<IMatchFinder> m_MatchFinder;
NStream::NLSBF::CEncoder m_OutStream;
NStream::NLSBF::CReverseEncoder m_ReverseOutStream;
@@ -66,93 +63,88 @@ class CCoder
NCompression::NHuffman::CEncoder m_DistCoder;
NCompression::NHuffman::CEncoder m_LevelCoder;
BYTE m_LastLevels[kMaxTableSize64];
Byte m_LastLevels[kMaxTableSize64];
UINT32 m_ValueIndex;
UInt32 m_ValueIndex;
CCodeValue *m_Values;
UINT32 m_OptimumEndIndex;
UINT32 m_OptimumCurrentIndex;
UINT32 m_AdditionalOffset;
UInt32 m_OptimumEndIndex;
UInt32 m_OptimumCurrentIndex;
UInt32 m_AdditionalOffset;
UINT32 m_LongestMatchLength;
UINT32 m_LongestMatchDistance;
UINT16 *m_MatchDistances;
UInt32 m_LongestMatchLength;
UInt32 m_LongestMatchDistance;
UInt16 *m_MatchDistances;
UINT32 m_NumFastBytes;
UINT32 m_MatchLengthEdge;
UInt32 m_NumFastBytes;
UInt32 m_MatchLengthEdge;
BYTE m_LiteralPrices[256];
Byte m_LiteralPrices[256];
BYTE m_LenPrices[kNumLenCombinations32];
BYTE m_PosPrices[kDistTableSize64];
Byte m_LenPrices[kNumLenCombinations32];
Byte m_PosPrices[kDistTableSize64];
UINT32 m_CurrentBlockUncompressedSize;
UInt32 m_CurrentBlockUncompressedSize;
COnePosMatches *m_OnePosMatchesArray;
UINT16 *m_OnePosMatchesMemory;
UInt16 *m_OnePosMatchesMemory;
UINT64 m_BlockStartPostion;
UInt64 m_BlockStartPostion;
int m_NumPasses;
bool m_Created;
bool _deflate64Mode;
UINT32 m_NumLenCombinations;
UINT32 m_MatchMaxLen;
const BYTE *m_LenStart;
const BYTE *m_LenDirectBits;
UInt32 m_NumLenCombinations;
UInt32 m_MatchMaxLen;
const Byte *m_LenStart;
const Byte *m_LenDirectBits;
HRESULT Create();
void Free();
void GetBacks(UINT32 aPos);
void GetBacks(UInt32 aPos);
void ReadGoodBacks();
void MovePos(UINT32 num);
UINT32 Backward(UINT32 &backRes, UINT32 cur);
UINT32 GetOptimal(UINT32 &backRes);
void MovePos(UInt32 num);
UInt32 Backward(UInt32 &backRes, UInt32 cur);
UInt32 GetOptimal(UInt32 &backRes);
void InitStructures();
void CodeLevelTable(BYTE *newLevels, int numLevels, bool codeMode);
void CodeLevelTable(Byte *newLevels, int numLevels, bool codeMode);
int WriteTables(bool writeMode, bool finalBlock);
void CopyBackBlockOp(UINT32 distance, UINT32 length);
void CopyBackBlockOp(UInt32 distance, UInt32 length);
void WriteBlockData(bool writeMode, bool finalBlock);
/*
void CCoder::ReleaseStreams()
{
m_MatchFinder.ReleaseStream();
// m_MatchFinder.ReleaseStream();
m_OutStream.ReleaseStream();
}
class CCoderReleaser
{
CCoder *m_Coder;
public:
CCoderReleaser(CCoder *aCoder): m_Coder(aCoder) {}
~CCoderReleaser()
{
m_Coder->ReleaseStreams();
}
CCoderReleaser(CCoder *coder): m_Coder(coder) {}
~CCoderReleaser() { m_Coder->ReleaseStreams(); }
};
friend class CCoderReleaser;
*/
public:
CCoder(bool deflate64Mode = false);
~CCoder();
HRESULT CodeReal(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UINT64 *inSize, const UINT64 *outSize,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
HRESULT BaseCode(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UINT64 *inSize, const UINT64 *outSize,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
// ICompressSetCoderProperties
HRESULT BaseSetEncoderProperties2(const PROPID *propIDs,
const PROPVARIANT *properties, UINT32 numProperties);
const PROPVARIANT *properties, UInt32 numProperties);
};
///////////////////////////////////////////////////////////////
@@ -167,11 +159,11 @@ public:
MY_UNKNOWN_IMP1(ICompressSetCoderProperties)
CCOMCoder(): CCoder(false) {};
STDMETHOD(Code)(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UINT64 *inSize, const UINT64 *outSize,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
// ICompressSetCoderProperties
STDMETHOD(SetCoderProperties)(const PROPID *propIDs,
const PROPVARIANT *properties, UINT32 numProperties);
const PROPVARIANT *properties, UInt32 numProperties);
};
class CCOMCoder64 :
@@ -184,11 +176,11 @@ public:
MY_UNKNOWN_IMP1(ICompressSetCoderProperties)
CCOMCoder64(): CCoder(true) {};
STDMETHOD(Code)(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UINT64 *inSize, const UINT64 *outSize,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
// ICompressSetCoderProperties
STDMETHOD(SetCoderProperties)(const PROPID *propIDs,
const PROPVARIANT *properties, UINT32 numProperties);
const PROPVARIANT *properties, UInt32 numProperties);
};