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#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
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