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

61 lines
1.7 KiB
Objective-C

/*
* XADQuantumHandle.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
*/
#import "XADCABBlockHandle.h"
#import "LZSS.h"
typedef struct QuantumCoder
{
uint16_t CS_L,CS_H,CS_C;
CSInputBuffer *input;
} QuantumCoder;
typedef struct QuantumModelSymbol
{
uint16_t symbol;
uint16_t cumfreq;
} QuantumModelSymbol;
typedef struct QuantumModel
{
int numsymbols,shiftsleft;
QuantumModelSymbol symbols[65];
} QuantumModel;
@interface XADQuantumHandle:XADCABBlockHandle
{
LZSS lzss;
int numslots4,numslots5,numslots6;
QuantumCoder coder;
QuantumModel selectormodel;
QuantumModel literalmodel[4];
QuantumModel offsetmodel4,offsetmodel5,offsetmodel6;
QuantumModel lengthmodel6;
}
-(id)initWithBlockReader:(XADCABBlockReader *)blockreader windowBits:(int)windowbits;
-(void)resetCABBlockHandle;
-(int)produceCABBlockWithInputBuffer:(uint8_t *)buffer length:(int)length atOffset:(off_t)pos length:(int)uncomplength;
@end