[Bug 669827] New: [pitivi] [ges] Inserting at the end of the timeline sometimes deadlocks

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=669827
  GStreamer | don't know | 0.10.35

           Summary: [pitivi] [ges] Inserting at the end of the timeline
                    sometimes deadlocks
    Classification: Platform
           Product: GStreamer
           Version: 0.10.35
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: don't know
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: nekohayo at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=207287)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=207287)
gdb output

With the GES version of pitivi, it is possible to cause a deadlock when
inserting at the end of the timeline repeatedly (it sometimes happens,
sometimes not).

1. Load the project from bug #669826 (or simply create a new project and import
a clip)
2. Select the clip in the pitivi media library
3. Press the Insert button on the keyboard until a deadlock occurs and the UI
becomes unresponsive.

The following is what the user sees in the terminal:
application.py:257: Warning: value "-1" of type `gint64' is invalid or out of
range for property `duration' of type `gint64'
(pitivi:5608): GStreamer-CRITICAL **: gst_segment_set_seek: assertion `start <=
stop' failed

Attached is a gdb trace.

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