On Sat, Oct 2, 2010 at 1:34 PM, Paul F. Johnson <paul@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > >> "You shall not create images with arithmetic coding" is like saying "You >> shall not create images of the flying sphagetti monster." It's not up to >> Fedora to make this choice for me. > > It is though - you have chosen to use Fedora therefore have to live with > the decisions the Fedora legal people (I'm assuming they said no to > arithmetic coding) have said goes. The relevant patent expired last year. I believe the SUN OMS team had researched this extensively as they were using the JPEG arithmetic coder in their aggressively researched royalty free video codec design. If someone doing legal research on this needs more information, you can contact me offlist and I can connect you with people who have researched this topic and may be willing to provide some useful pointers. 2010/10/2 BjÃrn Persson <bjorn@xxxxxxxxxxxxxxxxxxxx>: > It's well known around the Internet that to achieve compatibility you should > be conservative in what you send and liberal in what you accept. Applied to > JPEG: Use only Huffman coding when encoding â except maybe if you know that all > recipients can handle arithmetic coding â but support both encodings when > decoding. Absolutely. This is an excellent argument and I think is sufficient to justify the inclusion alone. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
