52 lines
1.2 KiB
C++
Executable File
52 lines
1.2 KiB
C++
Executable File
#ifndef APE_UNBITARRAY_H
|
|
#define APE_UNBITARRAY_H
|
|
|
|
#include "UnBitArrayBase.h"
|
|
|
|
class IAPEDecompress;
|
|
|
|
struct RANGE_CODER_STRUCT_DECOMPRESS
|
|
{
|
|
unsigned int low; // low end of interval
|
|
unsigned int range; // length of interval
|
|
unsigned int buffer; // buffer for input/output
|
|
};
|
|
|
|
class CUnBitArray : public CUnBitArrayBase
|
|
{
|
|
public:
|
|
|
|
// construction/destruction
|
|
CUnBitArray(CIO * pIO, int nVersion);
|
|
~CUnBitArray();
|
|
|
|
unsigned int DecodeValue(DECODE_VALUE_METHOD DecodeMethod, int nParam1 = 0, int nParam2 = 0);
|
|
|
|
void GenerateArray(int * pOutputArray, int nElements, int nBytesRequired = -1);
|
|
|
|
int DecodeValueRange(UNBIT_ARRAY_STATE & BitArrayState);
|
|
|
|
void FlushState(UNBIT_ARRAY_STATE & BitArrayState);
|
|
void FlushBitArray();
|
|
void Finalize();
|
|
|
|
private:
|
|
|
|
void GenerateArrayRange(int * pOutputArray, int nElements);
|
|
|
|
// data
|
|
int m_nFlushCounter;
|
|
int m_nFinalizeCounter;
|
|
|
|
RANGE_CODER_STRUCT_DECOMPRESS m_RangeCoderInfo;
|
|
|
|
uint32 m_nRefillBitThreshold;
|
|
|
|
// functions
|
|
inline int RangeDecodeFast(int nShift);
|
|
inline int RangeDecodeFastWithUpdate(int nShift);
|
|
inline unsigned char GetC();
|
|
};
|
|
|
|
#endif // #ifndef APE_UNBITARRAY_H
|