mirror of https://github.com/bsnes-emu/bsnes.git
83 lines
2.8 KiB
C++
Executable File
83 lines
2.8 KiB
C++
Executable File
/*
|
|
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
|
|
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License version 2.1 as published by the Free Software Foundation.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __LZARITHMETIC_DECODER_H
|
|
#define __LZARITHMETIC_DECODER_H
|
|
|
|
#include "winout.h"
|
|
#include "lzma.h"
|
|
#include "lencoder.h"
|
|
#include "litcoder.h"
|
|
|
|
namespace NCompress {
|
|
namespace NLZMA {
|
|
|
|
typedef CMyBitDecoder<kNumMoveBitsForMainChoice> CMyBitDecoder2;
|
|
|
|
class CDecoder
|
|
{
|
|
NStream::NWindow::COut m_OutWindowStream;
|
|
CMyRangeDecoder m_RangeDecoder;
|
|
|
|
CMyBitDecoder2 m_MainChoiceDecoders[kNumStates][NLength::kNumPosStatesMax];
|
|
CMyBitDecoder2 m_MatchChoiceDecoders[kNumStates];
|
|
CMyBitDecoder2 m_MatchRepChoiceDecoders[kNumStates];
|
|
CMyBitDecoder2 m_MatchRep1ChoiceDecoders[kNumStates];
|
|
CMyBitDecoder2 m_MatchRep2ChoiceDecoders[kNumStates];
|
|
CMyBitDecoder2 m_MatchRepShortChoiceDecoders[kNumStates][NLength::kNumPosStatesMax];
|
|
|
|
CBitTreeDecoder<kNumMoveBitsForPosSlotCoder, kNumPosSlotBits> m_PosSlotDecoder[kNumLenToPosStates];
|
|
|
|
CReverseBitTreeDecoder2<kNumMoveBitsForPosCoders> m_PosDecoders[kNumPosModels];
|
|
CReverseBitTreeDecoder<kNumMoveBitsForAlignCoders, kNumAlignBits> m_PosAlignDecoder;
|
|
// CBitTreeDecoder2<kNumMoveBitsForPosCoders> m_PosDecoders[kNumPosModels];
|
|
// CBitTreeDecoder<kNumMoveBitsForAlignCoders, kNumAlignBits> m_PosAlignDecoder;
|
|
|
|
NLength::CDecoder m_LenDecoder;
|
|
NLength::CDecoder m_RepMatchLenDecoder;
|
|
|
|
NLiteral::CDecoder m_LiteralDecoder;
|
|
|
|
UINT32 m_DictionarySize;
|
|
|
|
UINT32 m_PosStateMask;
|
|
|
|
HRESULT Create();
|
|
|
|
HRESULT Init(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream);
|
|
|
|
HRESULT Flush() { return m_OutWindowStream.Flush(); }
|
|
|
|
HRESULT CodeReal(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream, const UINT64 *anInSize, const UINT64 *anOutSize);
|
|
|
|
public:
|
|
|
|
CDecoder();
|
|
|
|
HRESULT Code(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream, const UINT64 *anInSize, const UINT64 *anOutSize);
|
|
HRESULT ReadCoderProperties(ISequentialInStream *anInStream);
|
|
|
|
HRESULT SetDictionarySize(UINT32 aDictionarySize);
|
|
HRESULT SetLiteralProperties(UINT32 aLiteralPosStateBits, UINT32 aLiteralContextBits);
|
|
HRESULT SetPosBitsProperties(UINT32 aNumPosStateBits);
|
|
};
|
|
|
|
}}
|
|
|
|
#endif
|