https://bugs.kde.org/show_bug.cgi?id=510109

            Bug ID: 510109
           Summary: Kile kioworker thumbnail process takes up 2 GB of RAM
                    when mlt is installed
    Classification: Applications
           Product: kile
      Version First 2.9.94
       Reported In:
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

SUMMARY
When I open kile, a kioworker process is spawned (/usr/lib/kf6/kioworker
/usr/lib/qt6/plugins/kf6/kio/thumbnail.so thumbnail 
local:/run/user/1000/kileospGML.7.kioworker.socket), and it takes up around 2
GB of RAM.
Also, I get the following output on the terminal:
mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltmovit.so
  (libmovit.so.8: cannot open shared object file: No such file or directory)
mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltrtaudio.so
  (librtaudio.so.7: cannot open shared object file: No such file or directory)
mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltsox.so
  (libsox_ng.so.3: cannot open shared object file: No such file or directory)
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x564d6e9a7940] moov atom not found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x564d6e9a7940] moov atom not found

Now, if I uninstall mlt (a kdenlive dependency), the kioworker process only
takes up around 50 MB. I can reproduce it even after clearing the kile cache
and config files.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.4.90
KDE Frameworks Version: 6.18.0
Qt Version: 6.10.0
Kernel Version: 6.16.9-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i7-7500U CPU @ 2.70GHz
Memory: 9 GB of RAM (8.2 GB usable)
Graphics Processor: Mesa Intel® HD Graphics 620

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