Details
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Bug
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Resolution: Done
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P2: Important
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5.13.2
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None
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Windows
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4d251f072c6f97b4cf4618103e4e857e499c5ed7 (qt/qtmultimedia/5.13)
Description
When closing a window with an active Video QML element which uses a gst-pipeline, the application will crash with the following stack trace:
1 g_signal_new gobject_2_0_0 0x7ffe82874a45 2 g_signal_new gobject_2_0_0 0x7ffe8285cb8a 3 QGstreamerPlayerSession::showPrerollFrames qgstreamerplayersession.cpp 1877 0x7ffe815918c6 4 QGstreamerPlayerControl::updateSessionState qgstreamerplayercontrol.cpp 436 0x7ffe815a0b28 5 QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,QtPrivate::List<enum QMediaPlayer::State>,void,void (__cdecl QGstreamerPlayerControl:: *)(enum QMediaPlayer::State)>::call qobjectdefs_impl.h 152 0x7ffe815a3dca 6 QtPrivate::FunctionPointer<void (__cdecl QGstreamerPlayerControl:: *)(enum QMediaPlayer::State)>::call<QtPrivate::List<enum QMediaPlayer::State>,void> qobjectdefs_impl.h 186 0x7ffe815a1cf7 7 QtPrivate::QSlotObject<void (__cdecl QGstreamerPlayerControl:: *)(enum QMediaPlayer::State),QtPrivate::List<enum QMediaPlayer::State>,void>::impl qobjectdefs_impl.h 415 0x7ffe815a480e 8 QtPrivate::QSlotObjectBase::call qobjectdefs_impl.h 394 0x7ffe42bc61f2 9 QMetaObject::activate qobject.cpp 3795 0x7ffe42c0c248 10 QMetaObject::activate qobject.cpp 3661 0x7ffe42c0bb68 11 QGstreamerPlayerSession::stateChanged moc_qgstreamerplayersession_p.cpp 461 0x7ffe815b3a82 12 QGstreamerPlayerSession::stop qgstreamerplayersession.cpp 1057 0x7ffe815915ea 13 QGstreamerPlayerSession::~QGstreamerPlayerSession qgstreamerplayersession.cpp 226 0x7ffe8158e9a2 14 qt_plugin_instance gstmediaplayerd 0x7ffe83e14968 15 QObjectPrivate::deleteChildren qobject.cpp 2019 0x7ffe42c14289 16 QObject::~QObject qobject.cpp 1032 0x7ffe42c0dda8 17 QMediaService::~QMediaService qmediaservice.cpp 113 0x7ffe826851a1 18 qt_plugin_instance gstmediaplayerd 0x7ffe83e13d53 19 qt_plugin_instance gstmediaplayerd 0x7ffe83e14917 20 qt_plugin_instance gstmediaplayerd 0x7ffe83e1a459 21 QPluginServiceProvider::releaseService qmediaserviceprovider.cpp 450 0x7ffe8268c2ae 22 QMediaPlayer::~QMediaPlayer qmediaplayer.cpp 665 0x7ffe827021d5 23 QMediaPlayer::`scalar deleting destructor' declarative_multimediad 0x7ffe84496b68 24 QDeclarativeAudio::~QDeclarativeAudio qdeclarativeaudio.cpp 129 0x7ffe84492156 25 QQmlPrivate::QQmlElement<QDeclarativeAudio>::~QQmlElement<QDeclarativeAudio> qqmlprivate.h 108 0x7ffe8448858d 26 QQmlPrivate::QQmlElement<QDeclarativeAudio>::`scalar deleting destructor' declarative_multimediad 0x7ffe844890a7 27 QObjectPrivate::deleteChildren qobject.cpp 2019 0x7ffe42c14289 28 QObject::~QObject qobject.cpp 1032 0x7ffe42c0dda8 29 QQuickItem::~QQuickItem qquickitem.cpp 2444 0x7ffe41ef79d5 30 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement<QQuickItem> qqmlprivate.h 108 0x7ffe41fadc2d 31 QQmlPrivate::QQmlElement<QQuickItem>::`scalar deleting destructor' Qt5Quickd 0x7ffe41fb19d7 32 QObjectPrivate::deleteChildren qobject.cpp 2019 0x7ffe42c14289 33 QObject::~QObject qobject.cpp 1032 0x7ffe42c0dda8 34 QWindow::~QWindow qwindow.cpp 227 0x7ffe0ff13ba2 35 QQuickWindow::~QQuickWindow qquickwindow.cpp 1377 0x7ffe41f3c74d 36 QQuickWindowQmlImpl::~QQuickWindowQmlImpl Qt5Quickd 0x7ffe420ca365 37 QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement<QQuickWindowQmlImpl> qqmlprivate.h 108 0x7ffe420ca25d 38 QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::`scalar deleting destructor' Qt5Quickd 0x7ffe420caad7 39 qDeleteAll<QList<QObject *>::const_iterator> qalgorithms.h 320 0x7ffe438c38b7 40 qDeleteAll<QList<QObject *>> qalgorithms.h 329 0x7ffe438c37c0 41 QQmlApplicationEnginePrivate::cleanUp qqmlapplicationengine.cpp 66 0x7ffe438c20ea 42 QQmlApplicationEngine::~QQmlApplicationEngine qqmlapplicationengine.cpp 251 0x7ffe438c192b 43 main main.cpp 20 0x7ff729732975 44 WinMain qtmain_win.cpp 97 0x7ff729736845 45 invoke_main exe_common.inl 107 0x7ff729734bad 46 __scrt_common_main_seh exe_common.inl 288 0x7ff729734a9e 47 __scrt_common_main exe_common.inl 331 0x7ff72973495e 48 WinMainCRTStartup exe_winmain.cpp 17 0x7ff729734c39 49 BaseThreadInitThunk KERNEL32 0x7ffe9a4b7bd4 50 RtlUserThreadStart ntdll 0x7ffe9b6aced1
See attached sample project which doesn't exhibit this behavior when running with 5.13.1. My guess is that this is caused by the changes committed for https://bugreports.qt.io/browse/QTBUG-78079