Le lundi 25 janvier 2016 17:18:18, Aaron Boxer a écrit :
> Hello,
>
> I have made improvements to OpenJPEG speed and memory usage,
> and I am releasing the code under the Affero GPL license.
Aaron,
You're of course the ultimate voice for licensing choices of your code but
given that you've
Hello,
I have made improvements to OpenJPEG speed and memory usage,
and I am releasing the code under the Affero GPL license.
Would QGIS users be interested in these patches? These are significant
improvements to existing OpenJPEG master.
Thanks,
Aaron
Hi Aaron,
As far as I know QGIS does not directly link to openjpeg. It may be
indirectly linked via Qt or some other library.
What exactly are your improvements?
Can they be provided upstream, so everything which depends on openjpeg
can profit from them?
Why do you think that QGIS in particular
Hi Matthias,
Thanks - I suppose QGIS reads J2K files via GDAL ?
My improvements are :
- much faster tile decode (use multiple cores)
- much lower memory usage for decode
- fast sub-tile decode for large single-tile images
Eventually, I would like to enable viewing of files larger than 4 GB,