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List:       opensuse-factory
Subject:    FYI: libmlt rebuild required, it seems
From:       Hans-Peter Jansen <hpj () urpla ! net>
Date:       2021-08-29 17:03:47
Message-ID: 5353123.BBFATXJLM1 () xrated
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Hi Dominique,

my son complained about kdenlive not working (crashing on start) with a 
traceback similar to:

Application: Kdenlive (kdenlive), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f9e5bc85980 (LWP \
24123))] [KCrash Handler]
#6  0x00007f9e5ffca9ad in Mlt::Properties::set(char const*, int) (this=0x0, \
name=0x55fb1e469059 "scrub_audio", value=0) at \
/usr/src/debug/libmlt-7.0.1-2.1.x86_64/src/mlt++/MltProperties.cpp:178 #7  \
0x000055fb1e103653 in GLWidget::setProducer(std::shared_ptr<Mlt::Producer> const&, \
bool, int) (this=0x55fb2237c6f0, producer=<optimized out>, isActive=<optimized out>, \
position=<optimized out>) at /usr/include/c++/11/bits/shared_ptr_base.h:1295 #8  \
0x000055fb1e3171db in Monitor::setProducer(std::shared_ptr<Mlt::Producer>, int) \
(pos=0, producer=std::shared_ptr<class Mlt::Producer> (use count 2, weak count 0) = \
{...}, this=0x55fb2237c160) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/monitor/monitor.cpp:2392 #9  \
ProjectManager::updateTimeline(int, int) [clone .constprop.0] \
(this=this@entry=0x55fb209ae8d0, pos=pos@entry=0, scrollPos=-1) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/project/projectmanager.cpp:982 #10 \
0x000055fb1e15d19f in ProjectManager::newFile(QString, bool) (this=0x55fb209ae8d0, \
profileName=..., showProjectSettings=<optimized out>) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/project/projectmanager.cpp:228 #11 \
0x000055fb1e15d6bf in ProjectManager::newFile(bool) (this=0x55fb209ae8d0, \
showProjectSettings=<optimized out>) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/project/projectmanager.cpp:139 #12 \
0x000055fb1df2880d in ProjectManager::slotLoadOnOpen() (this=0x55fb209ae8d0) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/project/projectmanager.cpp:109 #13 \
ProjectManager::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) \
(_o=0x55fb209ae8d0, _id=<optimized out>, _a=0x55fb235bd9f8, _c=<optimized out>) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/build/src/kdenliveLib_autogen/QV7S676PVK/moc_projectmanager.cpp:223
 #14 0x00007f9e5e65cf7e in QObject::event(QEvent*) (this=0x55fb209ae8d0, \
e=0x55fb235bd9b0) at kernel/qobject.cpp:1314 #15 0x00007f9e5f87ba7f in \
QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, \
receiver=0x55fb209ae8d0, e=0x55fb235bd9b0) at kernel/qapplication.cpp:3632 #16 \
0x00007f9e5e63098a in QCoreApplication::notifyInternal2(QObject*, QEvent*) \
(receiver=0x55fb209ae8d0, event=0x55fb235bd9b0) at kernel/qcoreapplication.cpp:1064 \
#17 0x00007f9e5e6339d7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, \
QThreadData*) (receiver=0x0, event_type=0, data=0x55fb200e50d0) at \
kernel/qcoreapplication.cpp:1821 #18 0x00007f9e5e6887e3 in \
postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=s@entry=0x55fb20263fd0) \
at kernel/qeventdispatcher_glib.cpp:277 #19 0x00007f9e5c67b80f in g_main_dispatch \
(context=0x7f9e54005000) at ../glib/gmain.c:3337 #20 g_main_context_dispatch \
(context=0x7f9e54005000) at ../glib/gmain.c:4055 #21 0x00007f9e5c67bb98 in \
g_main_context_iterate (context=context@entry=0x7f9e54005000, block=block@entry=1, \
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4131 #22 \
0x00007f9e5c67bc4f in g_main_context_iteration (context=0x7f9e54005000, may_block=1) \
at ../glib/gmain.c:4196 #23 0x00007f9e5e687e64 in \
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) \
(this=0x55fb20260350, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #24 \
0x00007f9e5e62f38b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) \
(this=this@entry=0x7ffee5f3d290, flags=..., flags@entry=...) at \
../../include/QtCore/../../src/corelib/global/qflags.h:69 #25 0x00007f9e5e637670 in \
QCoreApplication::exec() () at \
../../include/QtCore/../../src/corelib/global/qflags.h:121 #26 0x00007f9e5f11d19c in \
QGuiApplication::exec() () at kernel/qguiapplication.cpp:1867 #27 0x00007f9e5f87b9f5 \
in QApplication::exec() () at kernel/qapplication.cpp:2824 #28 0x000055fb1debf9eb in \
main(int, char**) (argc=<optimized out>, argv=0x7ffee5f3d638) at \
/usr/src/debug/kdenlive-21.08.0-1.1.x86_64/src/main.cpp:278 [Inferior 1 (process \
24123) detached]

Rebuilding libmlt fixed that for me.

You might want to trigger a libmlt on Factory.

Cheers,
Pete


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