[Digikam-devel] [digikam] [Bug 326525] Severe memory leak during maintainance scan for rebuild thumbnails

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=326525

--- Comment #18 from Gilles Caulier <caulier.gilles at gmail.com> ---
No. parallelization of libPGF is to decode/encode image through OpenMP.

In Maintenance tool, parallelization is performed to process more than one
items at the same time. It use ThreadWaver API from KDELibs. It's completly
different...

In all case PGF must run in on thread. parallelization do not work and crash
digiKam. I'm sure i tested it in-deep, without to found where is the problem to
PGF code. This is why libPGF is in digiKam with this option forced to disabled.

But, go back to this problem. Here digiKam do not crash imediatly, until memory
is full due to memory leak. I'm sure that problem detected in libpgf by
Coverity Scan tool is the source.

As i'm not PGF algorithm developer, i cannot fix it easily. This must be done
by PGF team.
If PGF team do not respond, i need to found an alternative, as WebP codec for
ex. Look like PGF project sound like in stand-by since a long moment. In
opensource, it's really problematic...

Gilles Caulier

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