Hi Scott, I did make a media-filter that self registered all of the formats supported by JAI. Although I never specifically tested it with JPEG 2000.
G On 21 March 2012 19:32, Scott Phillips <[email protected]> wrote: > DSpacers, > > Has anyone been able to make the media-filter process JPEG 2000 image files? > The current media-filter used by DSpace makes use of these libraries as part > of the Java Standard Edition. By default Java SE comes with support for the > basic image types: jpeg, gif, png, bit map, etc... However if you install > the Java Advanced Imaging Library (JAI) locally then the appropriate plugins > will be installed to support JPEG 2000 and TIFF. This shouldn't require any > code changes on the part of DSPace, but would require a system administrator > to locally install JAI. > > http://download.java.net/media/jai/builds/release/1_1_3/INSTALL.html > > However, I've been banging my head on this problem for a few days now and > I've never been able to get JAI to work. I've also not been able to find any > open source projects that process JPEG 2000 images using JAI. So, has anyone > been able to get this to work? > > > > As a follow up to that question, I've been looking at the open source > projects which do process JPEG 2000 images. The big one that I've found is > Djatoka, we're running it locally and it's a tomcat java web app that can > process the JPEG images. They are not using JAI but instead using Kakadu, > which is a commercial library written in C. They have embedded the binaries > for all the major OS Platforms within the webapp and then load the > appropriate libraries for the particular platform. Then with a java wrapper > they are able to make calls out to the pre-build binaries. Kakadu is > normally a commercial product, however they do offer "Non Commercial" and > "Public Service" licenses which might work for DSpace. > > Assuming that the JAI library does not actually work, If A&M we're to > develop a JPEG 2000 media filter that used the Kakadu would DSpace/Duraspace > be open to managing the public service or non commercial license? I am > assuming this would have to be a separate module that one could optionally > include as a maven dependency which would provide this media-filter because > the Kakadu license does restrict to "non commercial uses" and some people > use DSpace for commercially. > > Scott-- > > > > ------------------------------------------------------------------------------ > This SF email is sponsosred by: > Try Windows Azure free for 90 days Click Here > http://p.sf.net/sfu/sfd2d-msazure > _______________________________________________ > Dspace-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/dspace-devel > ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Dspace-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dspace-devel
