SUMMARY Using the transition effects Wipe and Dissolve on a title clip with one having typwriter (through I tried without as well) created the Error Message "Redering crashed" STEPS TO REPRODUCE 1. Create Title Clip (eventually with typewriter anymation) 2. Add transition (Wipe and/or Dissolve) to V1 incl. Audio 3. try to export MP4 e.g. Video OBSERVED RESULT ``` Rendering of <file>.mp4 crashed mlt_repository_init: failed to dlopen /usr/lib/mlt-7/libmltsdl.so (/usr/lib/mlt-7/libmltsdl.so: undefined symbol: XGetWindowAttributes) [mp3 @ 0x55641649dd00] Estimating duration from bitrate, this may be inaccurate [mp3 @ 0x5564164a5280] Estimating duration from bitrate, this may be inaccurate (process:69548): Gtk-WARNING **: 08:09:15.821: Locale not supported by C library. Using the fallback 'C' locale. [consumer avformat] Could not open '<file>.mp4' ``` EXPECTED RESULT Clean video rendering should start and finish SOFTWARE/OS VERSIONS running Linux Manjaro Arch, tried with 21.08.1, 21.08.2 and unstable 21.11 AppImage MLT 7 → I had MLT6 installed for other software but even removed this, checked also the settings of Environment etc. → nothing helped until I nailed it down to the title clips. Even tried different Export formats and compiled from Git Repository myself etc. Using: MLT version 7.0.0 FFmpeg libraries KDE Frameworks 5.86.0 Qt 5.15.2 (kompiliert gegen 5.15.2) Das xcb Fenstersystem ADDITIONAL INFORMATION It almost killed my project so I had very little time to reproduce, but I hope this already helps tracking the bug down. (sorry for this short issue report, in a rush, could not find a similar other bug report)
Thank you for reporting. Some type writer issues are fixed in MLT. Please try with the daily build. https://binary-factory.kde.org/job/Kdenlive_Nightly_Appimage_Build/lastSuccessfulBuild/artifact/
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!