Top Description Fields Constructors Methods
org.brotli.dec

pack-priv final Class HuffmanTreeGroup

extends Object
Class Inheritance
Contains a collection of huffman trees with the same alphabet size.

Field Summary

Modifier and TypeField and Description
private int
alphabetSize

The maximal alphabet size in this group.

pack-priv int[]
codes

Storage for Huffman lookup tables.

pack-priv int[]
trees

Offsets of distinct lookup tables in codes storage.

Constructor Summary

AccessConstructor and Description
pack-priv
HuffmanTreeGroup()

Method Summary

Modifier and TypeMethod and Description
pack-priv static void
decode(HuffmanTreeGroup
target POJO
group, BitReader
data source
br)

Decodes Huffman trees from input stream and constructs lookup tables.

pack-priv static void
init(HuffmanTreeGroup
POJO to be initialised
group, int
the maximal alphabet size in this group
alphabetSize, int
number of Huffman codes
n)

Initializes the Huffman tree group.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

alphabetSizeback to summary
private int alphabetSize

The maximal alphabet size in this group.

codesback to summary
pack-priv int[] codes

Storage for Huffman lookup tables.

treesback to summary
pack-priv int[] trees

Offsets of distinct lookup tables in codes storage.

Constructor Detail

HuffmanTreeGroupback to summary
pack-priv HuffmanTreeGroup()

Method Detail

decodeback to summary
pack-priv static void decode(HuffmanTreeGroup group, BitReader br)

Decodes Huffman trees from input stream and constructs lookup tables.

Parameters
group:HuffmanTreeGroup

target POJO

br:BitReader

data source

initback to summary
pack-priv static void init(HuffmanTreeGroup group, int alphabetSize, int n)

Initializes the Huffman tree group.

Parameters
group:HuffmanTreeGroup

POJO to be initialised

alphabetSize:int

the maximal alphabet size in this group

n:int

number of Huffman codes