[gdal-dev] OpenJPEG: The Slumbering Giant Awakens

[Aaron Boxer]

Hi Folks,

Thanks to everyone who showed their support for my pull request!
It looks like these changes will be going into the next release of the
library,
which should be happening soon.

Following Even's suggestion, I tried it out on a Sentinel2 data set.

Good news:

1) 14 tiles per second decoded with my 4 year old i7, in batch mode
2) In single file mode, for single tile decode, peak memory usage is
    now at 18 MB, vs ~500 MB for current release.

Future releases will bring:

1) more perf and memory improvements
2) fast sub-tile decoding
3) breaking the 4GB file limit


Will keep y'all posted.


Cheers,
Aaron
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