https://bugs.kde.org/show_bug.cgi?id=422430
Bug ID: 422430
Summary: Kdenlive hangs after changing title clips that exist
in the timeline
Product: kdenlive
Version: 20.04.1
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: User Interface
Assignee: j...@kdenlive.org
Reporter: riska...@youknowwhat.com
Target Milestone: ---
Created attachment 129031
--> https://bugs.kde.org/attachment.cgi?id=129031&action=edit
output from 'gdb kdenlive run'
SUMMARY
If I try to edit a title clip that's already been placed in the timeline
kdenlive hangs. This happens regardless of threading/GPU rendering settings.
Doesn't matter what I configure in kdenlive, actually (I tried changing all
sorts of settings to see if I could isolate the problem).
STEPS TO REPRODUCE
1. Add a video and some title clips to the timeline.
2. Edit one of those title clips.
OBSERVED RESULT
It hangs forever until I kill it.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux 5.4.0 (Kubuntu 20.04)
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
ADDITIONAL INFORMATION
Installed kdenlive from ppa:kdenlive/kdenlive-stable.
Here's the text on the console right before it happened (the gdb output is
attached):
[New Thread 0x7fff037fe700 (LWP 510654)]
[Thread 0x7fff03fff700 (LWP 510653) exited]
[Thread 0x7fff56e69700 (LWP 510605) exited]
[Thread 0x7ffefffff700 (LWP 510652) exited]
[Thread 0x7fff3cff1700 (LWP 510651) exited]
[New Thread 0x7fff3cff1700 (LWP 510657)]
MUTEX LOCK!!!!!!!!!!!! setmodel
MUTEX UNLOCK!!!!!!!!!!!! setmodel
MUTEX LOCK!!!!!!!!!!!! loadEffects COUNT: 0
QFSFileEngine::open: No file name specified
[Thread 0x7fff56668700 (LWP 510606) exited]
// SETTING CLIP PROPERTIES: QMap(("force_reload", "2")("xmldata",
"<kdenlivetitle duration=\"300\" LC_NUMERIC=\"en_US.UTF-8\" width=\"1920\"
height=\"1080\" out=\"299\">\n <item type=\"QGraphicsTextItem\"
z-index=\"0\">\n <position x=\"34\" y=\"586\">\n
<transform>1,0,0,0,1,0,0,0,1</transform>\n </position>\n <content
line-spacing=\"0\" shadow=\"1;#64000000;3;10;10\" font-underline=\"0\"
box-height=\"360\" font-outline-color=\"0,0,0,255\" font=\"MineCrafter 3\"
letter-spacing=\"0\" font-pixel-size=\"74\" font-italic=\"0\" alignment=\"1\"
font-weight=\"50\" font-outline=\"3\" box-width=\"1195.56\"
font-color=\"0,143,209,255\">Reading back\nLast Statement\nfrom memory
buffer...</content>\n </item>\n <startviewport rect=\"0,0,1920,1080\"/>\n
<endviewport rect=\"0,0,1920,1080\"/>\n <background
color=\"0,0,0,0\"/>\n</kdenlivetitle>\n"))
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 3939, resource
id: 36466677, major code: 40 (TranslateCoords), minor code: 0
################### JOB finished: 56
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