JMA Support.

zsnes/src/jma/lzmadec.h

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+/*
+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 as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+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