jj2000.j2k.codestream.reader.PktInfo Maven / Gradle / Ivy
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JPEG2000 support for Java Advanced Imaging Image I/O Tools API core.
This module is licensed under the [JJ2000 license](LICENSE.txt) and
is therefore NOT compatible with the GPL 3 license. It should be
compatible with the LGPL 2.1 license.
/*
* $RCSfile: PktInfo.java,v $
* $Revision: 1.1 $
* $Date: 2005/02/11 05:02:02 $
* $State: Exp $
*
* Class: PktInfo
*
* Description: Object containing packet informations.
*
*
*
* COPYRIGHT:
*
* This software module was originally developed by Raphaël Grosbois and
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
* Centre France S.A) in the course of development of the JPEG2000
* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
* software module is an implementation of a part of the JPEG 2000
* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
* Systems AB and Canon Research Centre France S.A (collectively JJ2000
* Partners) agree not to assert against ISO/IEC and users of the JPEG
* 2000 Standard (Users) any of their rights under the copyright, not
* including other intellectual property rights, for this software module
* with respect to the usage by ISO/IEC and Users of this software module
* or modifications thereof for use in hardware or software products
* claiming conformance to the JPEG 2000 Standard. Those intending to use
* this software module in hardware or software products are advised that
* their use may infringe existing patents. The original developers of
* this software module, JJ2000 Partners and ISO/IEC assume no liability
* for use of this software module or modifications thereof. No license
* or right to this software module is granted for non JPEG 2000 Standard
* conforming products. JJ2000 Partners have full right to use this
* software module for his/her own purpose, assign or donate this
* software module to any third party and to inhibit third parties from
* using this software module for non JPEG 2000 Standard conforming
* products. This copyright notice must be included in all copies or
* derivative works of this software module.
*
* Copyright (c) 1999/2000 JJ2000 Partners.
* */
package jj2000.j2k.codestream.reader;
/**
* This class defines an object used to countain informations about a packet
* to which the current code-block belongs.
*
* @see CBlkInfo
* */
public class PktInfo{
/** Index of the packet */
public int packetIdx;
/** The layer associated with the current code-block in this packet. */
public int layerIdx;
/** The code-block offset in the codestream (for this packet) */
public int cbOff = 0;
/** The length of the code-block in this packet (in bytes) */
public int cbLength;
/**
* 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
* */
public int segLengths[];
/**
* 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.
* */
public int numTruncPnts;
/**
* Classe's constructor.
*
* @param lyIdx The layer index for the code-block in this packet
*
* @param pckIdx The packet index
* */
public PktInfo(int lyIdx, int pckIdx){
layerIdx = lyIdx;
packetIdx = pckIdx;
}
/**
* Object information in a string.
*
* @return Object information
* */
public String toString(){
return "packet "+packetIdx+" (lay:"+layerIdx+", off:"+cbOff+", len:"+
cbLength+", numTruncPnts:"+numTruncPnts+")\n";
}
}