JPEG_HuffmanTable Struct Reference

#include <jpeg.h>

Data Fields
const unsigned char *	huffval
int	maxcode [16]
const unsigned char *	valptr [16]
unsigned char	look_nbits [256]
unsigned char	look_sym [256]

Detailed Description

A huffman table.

Field Documentation

huffval

const unsigned char* JPEG_HuffmanTable::huffval

Pointer to values in the table (256 entries).

maxcode

int JPEG_HuffmanTable::maxcode[16]

The maximum code for each length - 1.

valptr

const unsigned char* JPEG_HuffmanTable::valptr[16]

Items are subtracted by mincode and then indexed into huffval.

look_nbits

unsigned char JPEG_HuffmanTable::look_nbits[256]

The lookahead buffer lengths.

look_sym

unsigned char JPEG_HuffmanTable::look_sym[256]

The lookahead buffer values.