[sldev] Distribution of openjpeg

Tom 'spot' Callaway tcallawa at redhat.com
Wed Feb 7 11:09:27 PST 2007


On Wed, 2007-02-07 at 18:54 +0000, Peekay Semyorka wrote:
> > It is for this reason openjpeg is not DFSG compliant, because
> > it has encumbrance on the right to modify (into something not ISO
> > compliant).
> 
> OpenJPEG has no such limitation.  The library is distributed under a
> vanilla BSD-license.  So strictly speaking, OpenJPEG should be DFSG
> compliant.
> 
> Of course, it's possible to modify OpenJPEG until it infringes on a patent
> somewhere, but that is possible with any software.  We can each modify the
> SL-Viewer until it infringes on a number of patents; that does not make
> the SL-Viewer itself non-free.
> 
> OpenJPEG is a compliant Jpeg2000 implementation, having passed the P1C1 &
> J2F conformance tests (though strict compliance is not required by the
> patent declarations.)  It's still possible that the Part 1 standard itself
> is infringing on an unknown patent, but again that is a separate issue.

FWIW, this is also my opinion on the matter.

~spot



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