[FFmpeg-soc] Support for JPEG 2000 image files

Kostya kostya.shishkov at gmail.com
Mon Dec 14 07:05:23 CET 2009


On Mon, Dec 14, 2009 at 03:52:37AM +0100, Michael Niedermayer wrote:
> On Sun, Dec 13, 2009 at 10:31:55PM +0100, Peter B. wrote:
> > Wow! Thank you very much for that detailed insight description.
> > 
> > >From what I've researched today on the web, JPEG-LS would be great for
> > our archive project: It's faster, smaller and still an open standard.
> > 
> > If it's so easy to add support for it, we could think about funding
> > JPEG-LS integration into apps/tools we'd need for this archiving
> > project. Of course, that's only reasonable with FOSS - and impossible
> > with proprietary apps (which we try to avoid using at all, since vendor
> > lock-in seems to be standard in "professional" video handling gear).
> > 
> > Licensing and Implementation of JPEG-LS libs/tools is yet unclear (and
> > as it seems, also for Debian packagers [4]):
> > Did the FFmpeg team implement the JPEG-LS codec themselves or use an
> > existing implementation? I'm asking, because the only available
> > implementations I've found so far that look a bit reliable (and still
> > maintained) are Loco-I by HP [1], CharLS [2] and the UBC implementation
> > (which seems to be no longer accessible [3])
> 
> its our implementation AFAIK, but ask kostya if you want to be sure

Welll, I borrowed some ideas from UBC implementation (it was the only
one available at that time and I could verify our codec against it).

[...]


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