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kdenlive won't start

After an update, my QT themes got all messed up. I use kvantum and qt5ct to theme my QT applications and now whenever I want to launch kdenlive I get this error.

Code: [Select]
Could not detect package type, probably default? App dir is "/usr/bin"
mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltsox.so
  (libsox.so.3: cannot open shared object file: No such file or directory)
mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltsdl.so
  (libSDL-1.2.so.0: 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/libmltmovit.so
  (libmovit.so.8: cannot open shared object file: No such file or directory)
profilePath from appDir/../share:  "/usr/share/mlt-7/profiles"
meltPath from KdenliveSetting::meltPath:  ""
meltPath from profilePath/../../../bin:  "/usr/bin/melt-7"
plugin not available: "region"
Empty metadata for  "telecide"
plugin not available: "avfilter.acompressor"
plugin not available: "avfilter.aecho"
plugin not available: "avfilter.agate"
plugin not available: "avfilter.atadenoise"
plugin not available: "ladspa"
plugin not available: "ladspa.9354877"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "movit.blur"
plugin not available: "movit.sharpen"
plugin not available: "movit.diffusion"
plugin not available: "movit.flip"
plugin not available: "movit.glow"
plugin not available: "movit.lift_gamma_gain"
plugin not available: "movit.mirror"
plugin not available: "movit.opacity"
plugin not available: "movit.rect"
plugin not available: "movit.saturation"
plugin not available: "movit.unsharp_mask"
plugin not available: "movit.vignette"
plugin not available: "movit.white_balance"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "sox"
plugin not available: "timewarp"
plugin not available: ""
=== /// CANNOT ACCESS SPEECH DICTIONARIES FOLDER
qrc:/qml/kdenliveclipmonitor.qml: module "kvantum" is not installed
zsh: segmentation fault  kdenlive

When I downgraded kdenlive to
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kdenlive 23.08.5-1
I was able to launch kdenlive. When I upgrade back to the latest version
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kdenlive 24.02.0-2
I get the error posted above.

Some information that may or may not be useful:
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qt5ct 1.8-1
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kvantum 1.0.10-3

 

Re: kdenlive won't start

Reply #1
Hello karson777,

It looks like you might be missing some packages, in this case mlt-7 packages.  Are you using the flatpak, appimage, or repository package for kdenlive?  Do you have installed the referenced packages for your respective flatpak, appimage, or source package?

From the kdenlive installation documentation

Quote
Kdenlive says a MLT module is missing. What do I do?

An MLT dependency is missing and it is required to install it.

and from the main installation page

Quote
Kdenlive on Linux

Kdenlive can be installed on non-KDE Desktops without any issues.

Packages: Minimum Ubuntu 22.04 for PPA. AppImage, Snap or Flatpak have no such minimal requirements.

I would try the following:
(note that you should verify the checksums and signatures before installing anything that doesn't come from repo)
--reinstall dependencies if using source package (or)
--download  the appimage, attempt to run (or)
--install flatpak (or)

and please report back