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- #define MIN_RANGE 0x4001
- #define MAX_RANGE 0xFFFF
-
- struct coder_state
-
- {
- unsigned low;
- unsigned range;
- int uflow;
- int bits;
- int fpos;
- };
-
-
- void InitCoder (void);
- void CloseCoder (void);
- void EncodeArith (unsigned, unsigned, unsigned);
- void StartDecode (void);
- int DecodeArith (unsigned);
- void UpdateDecoder (unsigned, unsigned, unsigned);
- void SaveCoderState (struct coder_state *);
- void RestoreCoderState (struct coder_state *);
- int CodeLength (struct coder_state *);
- int ResetOutputPointer (int);
-
-