Re: GSD should not housekeep the thumbnails

On Mon, Sep 22, 2008 at 10:41:44PM -0400, Matthias Clasen wrote:
> 2008/9/22 Ted Gould <ted gould cx>:
> > On Mon, 2008-09-22 at 18:19 -0500, Federico Mena Quintero wrote:
> >> JPEG loading with libjpeg is currently really slow (the benchmark being
> >> Photoshop, which is really goddamn fast for JPEGs).
> >>
> >> We could totally use some liboil/profiling ninjas to work on libjpeg to
> >> make it faster.  Then, maybe thumbnailing on-the-fly wouldn't be
> >> painful.
> >
> > That sounds like a GREAT SoC/Senior Project/etc. assignment.
> > Verifiable, measurable, contained and useful!
> IIRC, David Schleef has some fast jpeg decoding routines lying around
> somewhere...

It's in swfdec.  It only supports baseline JPEG images (as I recall).
The most predominant feature not in baseline is progressive decoding;
these files are still pretty common.  It's quite a bit faster than
libjpeg.  It also has a saner API, IMO.


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