XADMaster/PPMd/VariantH.h
2018-03-21 14:24:50 +02:00

51 lines
1.6 KiB
C

/*
* VariantH.h
*
* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef __PPMD_VARIANT_H_H__
#define __PPMD_VARIANT_H_H__
#include "Context.h"
#include "SubAllocatorVariantH.h"
// PPMd Variant H. Used by RAR and 7-Zip.
typedef struct PPMdModelVariantH
{
PPMdCoreModel core;
PPMdSubAllocatorVariantH *alloc;
PPMdContext *MinContext,*MaxContext;
int MaxOrder,HiBitsFlag;
bool SevenZip;
SEE2Context SEE2Cont[25][16],DummySEE2Cont;
uint8_t NS2BSIndx[256],HB2Flag[256],NS2Indx[256];
uint16_t BinSumm[128][64]; // binary SEE-contexts
} PPMdModelVariantH;
void StartPPMdModelVariantH(PPMdModelVariantH *self,
PPMdReadFunction *readfunc,void *inputcontext,
PPMdSubAllocatorVariantH *alloc,int maxorder,bool sevenzip);
void RestartPPMdVariantHRangeCoder(PPMdModelVariantH *self,
PPMdReadFunction *readfunc,void *inputcontext,
bool sevenzip);
int NextPPMdVariantHByte(PPMdModelVariantH *self);
#endif