add DICOM (aka supp 145) support #142 Build Problem

Mathieu Malaterre mathieu.malaterre at
Fri Sep 11 03:13:42 EDT 2015

On Thu, Sep 10, 2015 at 10:50 PM, Benjamin Gilbert <bgilbert at> wrote:
> On 09/10/2015 03:10 AM, Mathieu Malaterre wrote:
>> On Thu, Sep 10, 2015 at 7:06 AM, Benjamin Gilbert <bgilbert at> wrote:
>>> I've seen
>>> <>; are there other
>>> problems with OpenJPEG?
>> Long story short, this should not be an issue for OpenSlide, since you
>> pretty much require direct file access, so fread should be pretty
>> cheap (ideally would need an fseek instead).
> Ah, I misunderstood your use of "streaming" in that bug.  I thought #376
> covered the material actually covered by #94.
>> Again this is OT here, but even if #94 gets fixed other part of code
>> will need to be updated. Right now OpenJPEG requires enormous amount
>> of memory if you request the bottom-right pixel, which makes OpenSlide
>> pretty much useless for JPEG2000/WSI.
> Do you think this will be fixed within a small number of years?

Honestly, I do not believe so. #94 is just the tip of the iceberg, I
know however that Antonin has been working very hard to find we'll see.

As explained in my other mail, with a little bit of luck
Aperio/Ventana do not make use of precincts, but instead use tiles.

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