broken support for chroma-subsampled images

[Coudray, Nicolas]

Hello,

  We are having error messages when trying to read some svs files (jpeg2000 compressed):

openslide.lowlevel.OpenSlideError: Cannot read this file because your OS vendor ships a modified version of OpenJPEG with broken support for chroma-subsampled images.  OpenJPEG error: Error decoding tile. Component 1 contains only 32768 blocks while component 0 has 65536 blocks

We tried to download openslide from the 3.4.1 source and also via the distribution packages.
We tried to upgrade to openjpeg 2.1.1 as suggested on some forums, but it hasn't solved the problem.

Our system is
    CentOS Linux release 7.3.1611 (Core)

It would be great if you could suggest how this issue could be solved.

Thanks,
Best,
Nicolas


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