https://bugs.kde.org/show_bug.cgi?id=470146
Bug ID: 470146
Summary: Crash while playing videos (play mode, F9)
Classification: Applications
Product: digikam
Version: 8.0.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: DImg-Plugins
Assignee: digikam-bugs-n...@kde.org
Reporter: k...@forum.titlis.org
Target Milestone: ---
SUMMARY
Play an album (shortcut "F9") containing images and videos. On some videos, DK
crashes. It is not always reproducible but if you load a video in "play" mode
(F9) multiple time, DK will crash after ~5 successful video display. Looks like
a race condition to me. Regression since DK 7.10. Crash is reproducible with
any kind of video formats. Relevant part of the call stack
#6 set_number (...) at libavutil/opt.c:612
#7 QtAV::AVDecoder::open (...) at
/usr/src/debug/digikam-8.0.0/core/libs/video/qtav/codec/AVDecoder.cpp:196
FULL CALLSTACK
Application: digiKam (digikam), signal: Segmentation fault
[KCrash Handler]
#4 0x00007fcd57275f72 in av_opt_next (obj=obj@entry=0x55c0311c6dc0,
last=last@entry=0x0) at libavutil/opt.c:52
#5 0x00007fcd572760bb in av_opt_find2 (obj=obj@entry=0x55c0311c6dc0,
name=0x7fcd5cd706d4 "refcounted_frames", unit=unit@entry=0x0,
opt_flags=opt_flags@entry=0, search_flags=0,
target_obj=target_obj@entry=0x7ffc15bc6390) at libavutil/opt.c:1806
#6 0x00007fcd5727b4e4 in set_number (obj=0x55c0311c6dc0, name=<optimized out>,
num=1, den=1, intnum=1, search_flags=<optimized out>) at libavutil/opt.c:612
#7 0x00007fcd5cb5a326 in QtAV::AVDecoder::open (this=0x55c031573990) at
/usr/src/debug/digikam-8.0.0/core/libs/video/qtav/codec/AVDecoder.cpp:196
#8 0x00007fcd5cb0fa2b in QtAV::AVPlayerCore::Private::setupAudioThread
(this=0x55c030cd8710, player=0x55c0313c3a80) at
/usr/src/debug/digikam-8.0.0/core/libs/video/qtav/ffmpeg/AVPlayerCore_p.cpp:629
#9 0x00007fcd5cafc727 in QtAV::AVPlayerCore::playInternal
(this=0x55c0313c3a80) at /usr/include/qt5/QtCore/qscopedpointer.h:116
#10 0x00007fcd5af251d3 in ?? () from /lib64/libQt5Core.so.5
#11 0x00007fcd5af251d3 in ?? () from /lib64/libQt5Core.so.5
#12 0x00007fcd5bc96a22 in QAbstractButton::toggled(bool) () from
/lib64/libQt5Widgets.so.5
#13 0x00007fcd5bc96ed1 in ?? () from /lib64/libQt5Widgets.so.5
#14 0x00007fcd5bc98185 in QAbstractButton::setChecked(bool) () from
/lib64/libQt5Widgets.so.5
#15 0x00007fcd388239a2 in DigikamGenericSlideShowPlugin::SlideToolBar::pause
(val=false, this=0x55c0312fac00) at
/usr/src/debug/digikam-8.0.0/core/dplugins/generic/view/slideshow/widgets/slidetoolbar.cpp:213
#16 DigikamGenericSlideShowPlugin::SlideToolBar::pause (val=false,
this=0x55c0312fac00) at
/usr/src/debug/digikam-8.0.0/core/dplugins/generic/view/slideshow/widgets/slidetoolbar.cpp:206
#17 DigikamGenericSlideShowPlugin::SlideOSD::pause (this=0x55c028cd1b10,
b=false) at
/usr/src/debug/digikam-8.0.0/core/dplugins/generic/view/slideshow/widgets/slideosd.cpp:373
#18 0x00007fcd3881a1a0 in
DigikamGenericSlideShowPlugin::SlideShowLoader::setCurrentView
(view=DigikamGenericSlideShowPlugin::SlideShowLoader::VideoView,
this=0x55c02a13efa0) at
/usr/src/debug/digikam-8.0.0/core/dplugins/generic/view/slideshow/common/slideshowloader.cpp:276
#19 DigikamGenericSlideShowPlugin::SlideShowLoader::slotVideoLoaded
(loaded=<optimized out>, this=0x55c02a13efa0) at
/usr/src/debug/digikam-8.0.0/core/dplugins/generic/view/slideshow/common/slideshowloader.cpp:475
#20 DigikamGenericSlideShowPlugin::SlideShowLoader::qt_static_metacall
(_o=0x55c02a13efa0, _id=<optimized out>, _a=<optimized out>, _c=<optimized
out>) at
/usr/src/debug/digikam-8.0.0/build/core/dplugins/generic/view/slideshow/Generic_SlideShow_Plugin_autogen/P66WHCG54J/moc_slideshowloader.cpp:146
#21 0x00007fcd5af251d3 in ?? () from /lib64/libQt5Core.so.5
#22 0x00007fcd5cacb5af in Digikam::SlideVideo::signalVideoLoaded
(this=<optimized out>, _t1=<optimized out>) at
/usr/src/debug/digikam-8.0.0/build/core/libs/video/core_videotools_obj_autogen/NNZHHPJXVP/moc_slidevideo.cpp:238
#23 0x00007fcd5af18c50 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#24 0x00007fcd5bba51ae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#25 0x00007fcd5aeec978 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#26 0x00007fcd5aeeff71 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#27 0x00007fcd5af46713 in ?? () from /lib64/libQt5Core.so.5
#28 0x00007fcd4db168d8 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#29 0x00007fcd4db16ce8 in ?? () from /lib64/libglib-2.0.so.0
#30 0x00007fcd4db16d7c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#31 0x00007fcd5af45f26 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#32 0x00007fcd5aeeb40b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#33 0x00007fcd5aef38a0 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#34 0x000055c025313a34 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/digikam-8.0.0/core/app/main/main.cpp:463
[Inferior 1 (process 15676) detached]
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