huffman.cpp File Reference

Go to the source code of this file.

Defines
#define	ZRL   240
#define	EOB   0
Functions
void	inithuffcode ()
void	genhuffsize (char *, short *, short *)
void	genhuffcode (short *, char *)
void	genehuf (short *, short *, short *, char *, char *, short)
void	gendectbls (short *, short *, short *, short *, short *)
void	decode (short *u, BitStream *ibs)
Variables
short	dcbits [16]
short	acbits [16]
char	dchuffval [12]
char	achuffval [162]
short	dcehufco [16]
short	dcehufsi [16]
short	dcmincode [16]
short	dcmaxcode [16]
short	dcvalptr [16]
short	acehufco [256]
short	acehufsi [256]
short	acmincode [16]
short	acmaxcode [16]
short	acvalptr [16]
unsigned short	mask []
short	code

---

Define Documentation

#define ZRL   240

Definition at line 18 of file huffman.cpp.

#define EOB   0

Definition at line 19 of file huffman.cpp.

---

Function Documentation

void inithuffcode

(

)

Definition at line 44 of file huffman.cpp.

void genhuffsize	(	char *	huffsize,
		short *	bits,
		short *	lastk
	)

Definition at line 68 of file huffman.cpp.

void genhuffcode	(	short *	huffcode,
		char *	huffsize
	)

Definition at line 85 of file huffman.cpp.

void genehuf	(	short *	ehufco,
		short *	ehufsi,
		short *	huffcode,
		char *	huffsize,
		char *	huffvalue,
		short	lastk
	)

Definition at line 105 of file huffman.cpp.

void gendectbls	(	short *	mincode,
		short *	maxcode,
		short *	valptr,
		short *	huffcode,
		short *	bits
	)

Definition at line 121 of file huffman.cpp.

void decode	(	short *	u,
		BitStream *	ibs
	)

Definition at line 149 of file huffman.cpp.

---

Variable Documentation

short dcbits[16]

Definition at line 28 of file huffman.cpp.

short acbits[16]

Definition at line 28 of file huffman.cpp.

char dchuffval[12]

Definition at line 29 of file huffman.cpp.

char achuffval[162]

Definition at line 29 of file huffman.cpp.

short dcehufco[16]

Definition at line 31 of file huffman.cpp.

short dcehufsi[16]

Definition at line 32 of file huffman.cpp.

short dcmincode[16]

Definition at line 33 of file huffman.cpp.

short dcmaxcode[16]

Definition at line 34 of file huffman.cpp.

short dcvalptr[16]

Definition at line 35 of file huffman.cpp.

short acehufco[256]

Definition at line 37 of file huffman.cpp.

short acehufsi[256]

Definition at line 38 of file huffman.cpp.

short acmincode[16]

Definition at line 39 of file huffman.cpp.

short acmaxcode[16]

Definition at line 40 of file huffman.cpp.

short acvalptr[16]

Definition at line 41 of file huffman.cpp.

void mask

Initial value:

 {0x0000,
                         0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080,
                         0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000, 0x8000
                        }

Definition at line 142 of file huffman.cpp.

short code

Definition at line 147 of file huffman.cpp.