[kopete-bugs] [Bug 161536] Kopete configuration crashes if webcam in use by another application

[Drew Fisher]

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http://bugs.kde.org/show_bug.cgi?id=161536         
drew.m.fisher gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|general                     |Audio/Video Plugin
      everconfirmed|0                           |1
            Summary|Kopete first time           |Kopete configuration crashes
                   |configuration crashes if    |if webcam in use by another
                   |webcam is in use            |application



------- Additional Comments From drew.m.fisher gmail com  2008-07-08 10:14 -------
Confirmed in SVN 829111.  Crash occurs any time another app has opened the webcam and kopete tries to open it too, not just when configuring kopete.  I let kdetv lock the camera, then opened the kopete settings dialog, producing this crash.  Backtrace follows.

Application: Kopete (kopete), signal SIGABRT
[Thread debugging using libthread_db enabled]
[New Thread 0xb5594b40 (LWP 3596)]
[New Thread 0xb0a17b90 (LWP 3611)]
[New Thread 0xb2435b90 (LWP 3607)]
[KCrash handler]
#6  0xb7f71410 in __kernel_vsyscall ()
#7  0xb5a0c085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb5a0da01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb7d371d8 in qt_message_output (msgType=QtFatalMsg, 
    buf=0xbfa65e00 "ASSERT failure in QVector<T>::operator[]: \"index out of range\", file /home/kdedev/qt-copy/include/QtCore/../../src/corelib/tools/qvector.h, line 331") at global/qglobal.cpp:2058
#10 0xb7d3725d in qFatal (
    msg=0xb7eb4e48 "ASSERT failure in %s: \"%s\", file %s, line %d")
    at global/qglobal.cpp:2260
#11 0xb7d372b4 in qt_assert_x (where=0xb01f203d "QVector<T>::operator[]", 
    what=0xb01f202a "index out of range", 
    file=0xb01f1fe4 "/home/kdedev/qt-copy/include/QtCore/../../src/corelib/tools/qvector.h", line=331) at global/qglobal.cpp:1836
#12 0xb01e61cb in QVector<unsigned char>::operator[] (this=0x888ed64, i=0)
    at /home/kdedev/qt-copy/include/QtCore/../../src/corelib/tools/qvector.h:331
#13 0xb01dba51 in Kopete::AV::VideoDevice::getImage (this=0x888eaa8, 
    qimage=0x8877f20)
    at /home/kdedev/kde/src/KDE/kdenetwork/kopete/libkopete/avdevice/videodevice.cpp:1226
#14 0xb01ed438 in Kopete::AV::VideoDevicePool::getImage (this=0x887f078, 
    qimage=0x8877f20)
    at /home/kdedev/kde/src/KDE/kdenetwork/kopete/libkopete/avdevice/videodevicepool.cpp:435
#15 0xb01fc580 in AVDeviceConfig::slotUpdateImage (this=0x8877f00)
    at /home/kdedev/kde/src/KDE/kdenetwork/kopete/kopete/config/avdevice/avdeviceconfig.cpp:235
#16 0xb01fc195 in AVDeviceConfig::qt_metacall (this=0x8877f00, 
    _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbfa6812c)
    at /home/kdedev/kde/build/KDE/kdenetwork/kopete/kopete/config/avdevice/moc_avdeviceconfig.cpp:107
#17 0xb7e69051 in QMetaObject::activate (sender=0x8877f38, 
    from_signal_index=4, to_signal_index=4, argv=0x0)
    at kernel/qobject.cpp:3010
#18 0xb7e695db in QMetaObject::activate (sender=0x8877f38, m=0xb7f6bac4, 
    local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3080
#19 0xb7eb37bd in QTimer::timeout (this=0x8877f38)
    at .moc/debug-shared/moc_qtimer.cpp:126
#20 0xb7e744a2 in QTimer::timerEvent (this=0x8877f38, e=0xbfa68664)
    at kernel/qtimer.cpp:263
#21 0xb7e66c4e in QObject::event (this=0x8877f38, e=0xbfa68664)
    at kernel/qobject.cpp:1105
#22 0xb5e0ff55 in QApplicationPrivate::notify_helper (this=0x80ca9b8, 
    receiver=0x8877f38, e=0xbfa68664) at kernel/qapplication.cpp:3772
#23 0xb5e1023b in QApplication::notify (this=0xbfa688f0, receiver=0x8877f38, 
    e=0xbfa68664) at kernel/qapplication.cpp:3366
#24 0xb785348d in KApplication::notify (this=0xbfa688f0, receiver=0x8877f38, 
    event=0xbfa68664)
    at /home/kdedev/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#25 0xb7e5124d in QCoreApplication::notifyInternal (this=0xbfa688f0, 
    receiver=0x8877f38, event=0xbfa68664) at kernel/qcoreapplication.cpp:587
#26 0xb7e557dd in QCoreApplication::sendEvent (receiver=0x8877f38, 
    event=0xbfa68664)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#27 0xb7e89f01 in QTimerInfoList::activateTimers (this=0x80ce1d4)
    at kernel/qeventdispatcher_unix.cpp:563
#28 0xb7e87614 in timerSourceDispatch (source=0x80ce1a0)
    at kernel/qeventdispatcher_glib.cpp:166
#29 0xb5958bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0xb595be5e in ?? () from /usr/lib/libglib-2.0.so.0
#31 0xb595c3ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0xb7e8678c in QEventDispatcherGlib::processEvents (this=0x80d0bf8, 
    flags= 0xbfa687d4) at kernel/qeventdispatcher_glib.cpp:325
#33 0xb5ecbdb0 in QGuiEventDispatcherGlib::processEvents (this=0x80d0bf8, 
    flags= 0xbfa68804) at kernel/qguieventdispatcher_glib.cpp:204
#34 0xb7e4daca in QEventLoop::processEvents (this=0xbfa6888c, 
    flags= 0xbfa68844) at kernel/qeventloop.cpp:149
#35 0xb7e4dd09 in QEventLoop::exec (this=0xbfa6888c, flags= 0xbfa68894)
    at kernel/qeventloop.cpp:200
#36 0xb7e51b84 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845
#37 0xb5e0fc6e in QApplication::exec () at kernel/qapplication.cpp:3304
#38 0x0808cbd9 in main (argc=1, argv=0xbfa68cd4)
    at /home/kdedev/kde/src/KDE/kdenetwork/kopete/kopete/main.cpp:102
#0  0xb7f71410 in __kernel_vsyscall ()