[Bug 657493] New: Using TagList results in segmentation faults

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=657493
  GStreamer | gst-sharp | git

           Summary: Using TagList results in segmentation faults
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-sharp
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: age at hobba.nl
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=194910)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=194910)
Example application

Hi,

Most actions performed on a TagList retrieved from PlayBin2.GetVideoTags()
result in segmentation faults, crashing the application. Results have become
"worse" since the 0.9.2 release, compared to latest HEAD.

Attached you'll find an example application. For testing I'm using a m4v/h.264
video file.

Where line 49 (TagList.IsEmpty) did not raise an error in 0.9.2, it now gives
me "GStreamer-CRITICAL **: gst_tag_list_is_empty: assertion `GST_IS_TAG_LIST
(list)' failed"

Where line 50 (TagList.Size) did not raise an error in 0.9.2, it now gives me a
segmentation fault.

In both 0.9.2 and HEAD a segmentation fault occurs at the foreach loop in line
51, not even getting to 52.

Let me know if you need any more information.

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