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 Readme for:  Library » Misc » openjpeg_lib.lha


Description: JPEG 2000 codec library
Download: openjpeg_lib.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 92kb
Version: 52.5
Date: 20 Dec 09
Author: Fredrik Wikstrom
Submitter: Fredrik Wikstrom
Email: fredrik/a500 org
Homepage: http://a500.org
Category: library/misc
Replaces: library/misc/openjpeglibrary.lha
License: BSD
Distribute: yes
Min OS Version: 4.0
FileID: 5218
Comments: 2
Snapshots: 0
Videos: 0
Downloads:  (Current version)

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Copy openjpeg.library to LIBS:

Installation (SDK):

Copy include/#? all to SDK:Local/common/include/


Based around Stephan Matzke's port of OpenJPEG 1.3.


The OpenJPEG library is an open-source JPEG 2000 codec written in C language. It
has been developed in order to promote the use of JPEG 2000, the new still-image
compression standard from the Joint Photographic Experts Group (JPEG).

Compatibility notes (for Developers):

The extended fields (jpwl) of the opj_cparameters_t and opj_dparameters_t
structures are only available when using the v2 main interface. Also you will
need to compile your code using "-DUSE_JPWL".

Developers writing programs for the v2 interface should use these functions
for allocating and freeing these structures:
 - opj_create_cparameters
 - opj_create_dparameters
 - opj_destroy_cparameters
 - opj_destroy_dparameters

Version 1 of the main interface is backwards compatible and will continue to
work as before except that there is now JPWL format support in the code.


52.5 (20-Dec-2009)
 - Recompiled using the latest SDK

52.4 (16-Aug-2008)
 - Added JPWL support (again)
 - Added v2 interface functions to inline4 include file

52.3 (15-Aug-2008)
 - Updated to use libopenjpeg 1.3 (faster and uses less memory)
 - No JPWL support :-(

52.2 (30-Jul-2008)
 - Compiled libopenjpeg and openjpeg.library with USE_JPWL

52.1 (26-Jul-2008)
 - First released version

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