lib/include/arith-code.h File Reference

Symbol coding. More...

Go to the source code of this file.

Data Structures
struct	arith_code_symbol_t
	A symbol can be an int or a pair of counts on a scale. Here is the structure for the latter. More...
Defines
#define	ARITH_CODE_MAXIMUM_SCALE   16383
	Max allowed frequency count.
#define	ARITH_CODE_ESCAPE   256
	Escape symbol.
#define	ARITH_CODE_DONE   -1
	Output stream empty symbol.
#define	ARITH_CODE_FLUSH   -2
	Symbol to flush the model.
Functions
void	arith_code_encode (char *in_buf, uint8_t in_len, char *out_buf, uint8_t out_len)
	Encode a symbol.
void	arith_code_decode (char *in_buf, uint8_t in_len, char *out_buf, uint8_t out_len)
	Decode a symbol.

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Detailed Description

largely based on: http://dogma.net/markn/articles/arith/

Definition in file arith-code.h.

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Function Documentation

void arith_code_decode (  char *  in_buf, uint8_t  in_len, char *  out_buf, uint8_t  out_len )

Parameters: in_buf  Input buffer in_len  Input length out_buf  Output buffer out_len  Output length

void arith_code_encode (  char *  in_buf, uint8_t  in_len, char *  out_buf, uint8_t  out_len )

Parameters: in_buf  Input buffer in_len  Input length out_buf  Output buffer out_len  Output length

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