Maybe you can try valgrind check. below is first 7 lines of my check result.
2 bytes in 2 blocks are possibly lost in loss record 144 of 62,856
in QmlVlcConfig::createLibvlcInstance() in lib/QmlVlc/QmlVlcConfig.cpp:51
1: calloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: var_Inherit in /usr/lib/libvlccore.so.7.0.0
3: var_Create in /usr/lib/libvlccore.so.7.0.0
4: libvlc_InternalInit in /usr/lib/libvlccore.so.7.0.0
5: libvlc_new in /usr/lib/libvlc.so.5.4.0
6: QmlVlcConfig::createLibvlcInstance() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcConfig.cpp:51" >lib/QmlVlc/QmlVlcConfig.cpp:51</a>
7: QmlVlcPlayer::QmlVlcPlayer(QObject*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayer.cpp:9" >lib/QmlVlc/QmlVlcPlayer.cpp:9</a>
8: QQmlPrivate::QQmlElement<QmlVlcPlayer>::QQmlElement() in <a href="file:///usr/include/qt5/QtQml/qqmlprivate.h:85" >/usr/include/qt5/QtQml/qqmlprivate.h:85</a>
9: void QQmlPrivate::createInto<QmlVlcPlayer>(void*) in /home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/linuxktv
10: QQmlVME::run(QList<QQmlError>*, QQmlVME::Interrupt const&, void* const**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
11: QQmlVME::execute(QList<QQmlError>*, QQmlVME::Interrupt const&) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
12: QQmlComponentPrivate::beginCreate(QQmlContextData*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
13: QQmlComponent::beginCreate(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: QQmlComponent::create(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: QQuickView::continueExecute() in /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
17: QtQuick2ApplicationViewer::setMainQmlFile(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/qtquick2applicationviewer/qtquick2applicationviewer.cpp:71" >qtquick2applicationviewer/qtquick2applicationviewer.cpp:71</a>
18: main in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/main.cpp:303" >main.cpp:303</a>
2 bytes in 2 blocks are possibly lost in loss record 145 of 62,856
in QmlVlcConfig::createLibvlcInstance() in lib/QmlVlc/QmlVlcConfig.cpp:51
1: calloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: var_Inherit in /usr/lib/libvlccore.so.7.0.0
3: var_Create in /usr/lib/libvlccore.so.7.0.0
4: libvlc_InternalInit in /usr/lib/libvlccore.so.7.0.0
5: libvlc_new in /usr/lib/libvlc.so.5.4.0
6: QmlVlcConfig::createLibvlcInstance() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcConfig.cpp:51" >lib/QmlVlc/QmlVlcConfig.cpp:51</a>
7: QmlVlcPlayer::QmlVlcPlayer(QObject*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayer.cpp:9" >lib/QmlVlc/QmlVlcPlayer.cpp:9</a>
8: QQmlPrivate::QQmlElement<QmlVlcPlayer>::QQmlElement() in <a href="file:///usr/include/qt5/QtQml/qqmlprivate.h:85" >/usr/include/qt5/QtQml/qqmlprivate.h:85</a>
9: void QQmlPrivate::createInto<QmlVlcPlayer>(void*) in /home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/linuxktv
10: QQmlVME::run(QList<QQmlError>*, QQmlVME::Interrupt const&, void* const**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
11: QQmlVME::execute(QList<QQmlError>*, QQmlVME::Interrupt const&) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
12: QQmlComponentPrivate::beginCreate(QQmlContextData*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
13: QQmlComponent::beginCreate(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: QQmlComponent::create(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: QQuickView::continueExecute() in /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
17: QtQuick2ApplicationViewer::setMainQmlFile(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/qtquick2applicationviewer/qtquick2applicationviewer.cpp:71" >qtquick2applicationviewer/qtquick2applicationviewer.cpp:71</a>
18: main in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/main.cpp:303" >main.cpp:303</a>
2 bytes in 2 blocks are possibly lost in loss record 146 of 62,856
in QmlVlcConfig::createLibvlcInstance() in lib/QmlVlc/QmlVlcConfig.cpp:51
1: calloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: var_Inherit in /usr/lib/libvlccore.so.7.0.0
3: var_Create in /usr/lib/libvlccore.so.7.0.0
4: libvlc_InternalInit in /usr/lib/libvlccore.so.7.0.0
5: libvlc_new in /usr/lib/libvlc.so.5.4.0
6: QmlVlcConfig::createLibvlcInstance() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcConfig.cpp:51" >lib/QmlVlc/QmlVlcConfig.cpp:51</a>
7: QmlVlcPlayer::QmlVlcPlayer(QObject*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayer.cpp:9" >lib/QmlVlc/QmlVlcPlayer.cpp:9</a>
8: QQmlPrivate::QQmlElement<QmlVlcPlayer>::QQmlElement() in <a href="file:///usr/include/qt5/QtQml/qqmlprivate.h:85" >/usr/include/qt5/QtQml/qqmlprivate.h:85</a>
9: void QQmlPrivate::createInto<QmlVlcPlayer>(void*) in /home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/linuxktv
10: QQmlVME::run(QList<QQmlError>*, QQmlVME::Interrupt const&, void* const**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
11: QQmlVME::execute(QList<QQmlError>*, QQmlVME::Interrupt const&) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
12: QQmlComponentPrivate::beginCreate(QQmlContextData*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
13: QQmlComponent::beginCreate(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: QQmlComponent::create(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: QQuickView::continueExecute() in /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
17: QtQuick2ApplicationViewer::setMainQmlFile(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/qtquick2applicationviewer/qtquick2applicationviewer.cpp:71" >qtquick2applicationviewer/qtquick2applicationviewer.cpp:71</a>
18: main in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/main.cpp:303" >main.cpp:303</a>
2 bytes in 2 blocks are possibly lost in loss record 147 of 62,856
in vlc::basic_player::open(libvlc_instance_t*) in lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61
1: calloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: var_Inherit in /usr/lib/libvlccore.so.7.0.0
3: var_Create in /usr/lib/libvlccore.so.7.0.0
4: libvlc_media_player_new in /usr/lib/libvlc.so.5.4.0
5: vlc::basic_player::open(libvlc_instance_t*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61" >lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61</a>
6: vlc::player::open(libvlc_instance_t*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:66" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:66</a>
7: QmlVlcPlayer::QmlVlcPlayer(QObject*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayer.cpp:11" >lib/QmlVlc/QmlVlcPlayer.cpp:11</a>
8: QQmlPrivate::QQmlElement<QmlVlcPlayer>::QQmlElement() in <a href="file:///usr/include/qt5/QtQml/qqmlprivate.h:85" >/usr/include/qt5/QtQml/qqmlprivate.h:85</a>
9: void QQmlPrivate::createInto<QmlVlcPlayer>(void*) in /home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/linuxktv
10: QQmlVME::run(QList<QQmlError>*, QQmlVME::Interrupt const&, void* const**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
11: QQmlVME::execute(QList<QQmlError>*, QQmlVME::Interrupt const&) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
12: QQmlComponentPrivate::beginCreate(QQmlContextData*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
13: QQmlComponent::beginCreate(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: QQmlComponent::create(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: QQuickView::continueExecute() in /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
17: QtQuick2ApplicationViewer::setMainQmlFile(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/qtquick2applicationviewer/qtquick2applicationviewer.cpp:71" >qtquick2applicationviewer/qtquick2applicationviewer.cpp:71</a>
18: main in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/main.cpp:303" >main.cpp:303</a>
8 bytes in 1 blocks are possibly lost in loss record 3,921 of 62,856
in vlc::basic_player::play() in lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79
1: malloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: realloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
3: var_AddCallback in /usr/lib/libvlccore.so.7.0.0
4: libvlc_media_player_play in /usr/lib/libvlc.so.5.4.0
5: vlc::basic_player::play() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79" >lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79</a>
6: vlc::player::internalPlay(int) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:198" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:198</a>
7: vlc::player::play(unsigned int) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:225" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:225</a>
8: QmlVlcPlayerProxy::play(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayerProxy.cpp:150" >lib/QmlVlc/QmlVlcPlayerProxy.cpp:150</a>
9: SongsQueue::play2play() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/songsqueue.h:524" >songsqueue.h:524</a>
10: SongsQueue::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:291" >/home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:291</a>
11: SongsQueue::qt_metacall(QMetaObject::Call, int, void**) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:419" >/home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:419</a>
12: QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
13: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
17: 0x14b74984
18: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
19: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
20: QQmlBoundSignalExpression::evaluate(void**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
21: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
22: QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
23: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
24: QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
25: QMetaCallEvent::placeMetaCall(QObject*) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
8 bytes in 1 blocks are possibly lost in loss record 3,922 of 62,856
in vlc::basic_player::play() in lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79
1: malloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: realloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
3: var_AddCallback in /usr/lib/libvlccore.so.7.0.0
4: libvlc_media_player_play in /usr/lib/libvlc.so.5.4.0
5: vlc::basic_player::play() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79" >lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:79</a>
6: vlc::player::internalPlay(int) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:198" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:198</a>
7: vlc::player::play(unsigned int) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:225" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:225</a>
8: QmlVlcPlayerProxy::play(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayerProxy.cpp:150" >lib/QmlVlc/QmlVlcPlayerProxy.cpp:150</a>
9: SongsQueue::play2play() in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/songsqueue.h:524" >songsqueue.h:524</a>
10: SongsQueue::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:291" >/home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:291</a>
11: SongsQueue::qt_metacall(QMetaObject::Call, int, void**) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:419" >/home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/moc_songsqueue.cpp:419</a>
12: QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
13: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
17: 0x14b74984
18: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
19: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
20: QQmlBoundSignalExpression::evaluate(void**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
21: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
22: QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
23: /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
24: QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
25: QMetaCallEvent::placeMetaCall(QObject*) in /usr/lib/i386-linux-gnu/libQt5Core.so.5.2.1
10 bytes in 2 blocks are possibly lost in loss record 4,210 of 62,856
in vlc::basic_player::open(libvlc_instance_t*) in lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61
1: malloc in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so
2: strdup in /build/buildd/eglibc-2.19/string/strdup.c:42
3: var_Create in /usr/lib/libvlccore.so.7.0.0
4: libvlc_media_player_new in /usr/lib/libvlc.so.5.4.0
5: vlc::basic_player::open(libvlc_instance_t*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61" >lib/QmlVlc/libvlc_wrapper/vlc_basic_player.cpp:61</a>
6: vlc::player::open(libvlc_instance_t*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:66" >lib/QmlVlc/libvlc_wrapper/vlc_player.cpp:66</a>
7: QmlVlcPlayer::QmlVlcPlayer(QObject*) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/lib/QmlVlc/QmlVlcPlayer.cpp:11" >lib/QmlVlc/QmlVlcPlayer.cpp:11</a>
8: QQmlPrivate::QQmlElement<QmlVlcPlayer>::QQmlElement() in <a href="file:///usr/include/qt5/QtQml/qqmlprivate.h:85" >/usr/include/qt5/QtQml/qqmlprivate.h:85</a>
9: void QQmlPrivate::createInto<QmlVlcPlayer>(void*) in /home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/linuxktv
10: QQmlVME::run(QList<QQmlError>*, QQmlVME::Interrupt const&, void* const**) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
11: QQmlVME::execute(QList<QQmlError>*, QQmlVME::Interrupt const&) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
12: QQmlComponentPrivate::beginCreate(QQmlContextData*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
13: QQmlComponent::beginCreate(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
14: QQmlComponent::create(QQmlContext*) in /usr/lib/i386-linux-gnu/libQt5Qml.so.5.2.1
15: QQuickView::continueExecute() in /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
16: /usr/lib/i386-linux-gnu/libQt5Quick.so.5.2.1
17: QtQuick2ApplicationViewer::setMainQmlFile(QString const&) in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/qtquick2applicationviewer/qtquick2applicationviewer.cpp:71" >qtquick2applicationviewer/qtquick2applicationviewer.cpp:71</a>
18: main in <a href="file:///home/linuxktv/projects/versoins/LinuxKTV/build-linuxktv-Desktop-Debug/../linuxktv/main.cpp:303" >main.cpp:303</a>
Maybe you can try valgrind check. below is first 7 lines of my check result.