Re: [Qgis-user] OpenJPEG

2016-01-25 Thread Even Rouault
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

[Qgis-user] OpenJPEG

2016-01-25 Thread Aaron Boxer
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

Re: [Qgis-user] OpenJPEG

2016-01-25 Thread Matthias Kuhn
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

Re: [Qgis-user] OpenJPEG

2016-01-25 Thread Aaron Boxer
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,