[gdal-dev] New JP2Grok Driver for JPEG 2000

[Even Rouault]

Aaron,

did you bench timings using GDAL API & utilities (typically with 
gdal_translate) ? The ones indicated in the PR use the utilities that 
come which each library, but the integration within a GDAL driver might 
have some influence on the timings.

What about single threaded usage ?

Even

Le 03/05/2021 à 16:59, Aaron Boxer a écrit :
> Hi Folks,
>
> I would like to draw people's attention once again to the pending JPEG 
> 2000 driver PR
> https://github.com/OSGeo/gdal/pull/3449 
> <https://github.com/OSGeo/gdal/pull/3449>
> which was opened 3 months ago.  Since I last posted, the driver now 
> has an autotest script courtesy of Frank Warmerdam, and all tests are 
> passing.
>
> In a nutshell, performance is 2-5 times faster than the only other 
> viable open source driver, from OpenJPEG, in several common geospatial 
> work flows. And performance rises by around 2X if the new HTJ2K 
> entropy coder is used. The AGPL license will not work for everyone, 
> which is why the driver is disabled by default.
>
> We've already discussed this at length in the previous thread and in 
> the PR, but if you would like to see this new driver merged, please 
> head over to the PR and give it a thumbs up. Or, if you don't want 
> this driver merged, please share your feedback on the PR.
>
> Kind Regards,
> Aaron
>
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