SUMMARY STEPS TO REPRODUCE 1. Enable preview rendering in a project. 2. Select a video clip within a preview zone. 3. Add an effect. OBSERVED RESULT "Preview rendering failed, check your parameters. Show details" error appears at bottom left of window. Clicking "Show details" link opens a dialog window which shows: Current Frame: 1, percentage: 4 [mov @ 0x7fdc940008c0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead. Current Frame: 2, percentage: 8 Current Frame: 3, percentage: 12 Current Frame: 4, percentage: 16 Current Frame: 5, percentage: 20 Current Frame: 6, percentage: 24 Current Frame: 7, percentage: 28 Current Frame: 8, percentage: 32 Current Frame: 9, percentage: 36 Current Frame: 10, percentage: 40 Current Frame: 11, percentage: 44 Current Frame: 12, percentage: 48 Current Frame: 13, percentage: 52 Current Frame: 14, percentage: 56 Current Frame: 15, percentage: 60 Current Frame: 16, percentage: 64 Current Frame: 17, percentage: 68 Current Frame: 18, percentage: 72 Current Frame: 19, percentage: 76 Current Frame: 20, percentage: 80 Current Frame: 21, percentage: 84 Current Frame: 22, percentage: 88 EXPECTED RESULT Applying an effect doesn't result in any error, or at least gives an error which makes some kind of sense. SOFTWARE VERSIONS kdenlive version: 18.04.3 KDE Plasma version: 5.12.5 Qt version: 5.9.4
It happens when adding or editing transitions too.
Same or similat issue in 18.08.2 under Windows. create https://phabricator.kde.org/T9991
Git commit 8dc39aad74c97bd6cc3548c0fb8a22f8e61c7b9b by Jean-Baptiste Mardelle. Committed on 02/12/2018 at 10:55. Pushed by mardelle into branch 'refactoring_timeline'. Make sure compositions invalidate timeline preview M +5 -1 src/core.cpp M +3 -3 src/timeline2/model/compositionmodel.cpp M +1 -1 src/timeline2/model/timelinefunctions.cpp M +11 -11 src/timeline2/model/timelinemodel.cpp M +2 -2 src/timeline2/model/timelinemodel.hpp M +22 -12 src/timeline2/model/trackmodel.cpp M +5 -5 src/timeline2/model/trackmodel.hpp M +4 -4 src/timeline2/view/timelinecontroller.cpp M +1 -1 src/timeline2/view/timelinecontroller.h https://commits.kde.org/kdenlive/8dc39aad74c97bd6cc3548c0fb8a22f8e61c7b9b
Your bug has been solved. If it still appears in the latest version, please feel free to re-open it and update the affected version number.