jj2000.j2k.codestream.reader

Class PktInfo

java.lang.Object

jj2000.j2k.codestream.reader.PktInfo

public class PktInfo
extends Object

This class defines an object used to countain informations about a packet to which the current code-block belongs.

See Also:

CBlkInfo

Field Summary

Fields

Modifier and Type	Field and Description
int	cbLength The length of the code-block in this packet (in bytes)
int	cbOff The code-block offset in the codestream (for this packet)
int	layerIdx The layer associated with the current code-block in this packet.
int	numTruncPnts The number of truncation points that appear in this packet, and all previous packets, for this code-block.
int	packetIdx Index of the packet
int[]	segLengths The length of each terminated segment in the packet.

Constructor Summary

Constructors

Constructor and Description
PktInfo(int lyIdx, int pckIdx) Classe's constructor.

Method Summary

Modifier and Type	Method and Description
String	toString() Object information in a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

packetIdx

public int packetIdx

Index of the packet

layerIdx

public int layerIdx

The layer associated with the current code-block in this packet.

cbOff

public int cbOff

The code-block offset in the codestream (for this packet)

cbLength

public int cbLength

The length of the code-block in this packet (in bytes)

segLengths

public int[] segLengths

The length of each terminated segment in the packet. The total is the same as 'cbLength'. It can be null if there is only one terminated segment, in which case 'cbLength' holds the legth of that segment

numTruncPnts

public int numTruncPnts

The number of truncation points that appear in this packet, and all previous packets, for this code-block. This is the number of passes that can be decoded with the information in this packet and all previous ones.

Constructor Detail

PktInfo

public PktInfo(int lyIdx,
               int pckIdx)

Classe's constructor.

Parameters:

lyIdx - The layer index for the code-block in this packet

pckIdx - The packet index

Method Detail

toString

public String toString()

Object information in a string.

Overrides:

toString in class Object

Returns:

Object information