[gstreamer-bugs] [Bug 487568] New: Pipeline freezes when adding/removing GnlCompositions/GnlSources while PLAYING

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gnonlin | Ver: 0.10.14
           Summary: Pipeline freezes when adding/removing
                    GnlCompositions/GnlSources while PLAYING
           Product: GStreamer
           Version: 0.10.14
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: gnonlin
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: housirer at gmx.de
         QAContact: bilboed at bilboed.com
     GNOME version: 2.17/2.18
   GNOME milestone: Unspecified


Steps to reproduce:
Run the attached Python script bug.py. This repeatedly adds and removes three
compositions with a audio gnlsource in each to/from the pipeline while playing.

I apologize if the bug is in the script itself, I posted it to the gst mailing
list, but received hardly any feedback.


Stack trace:


Other information:
Script seems to freeze exclusively when attempting to "Remove Track".
Possible error messages (varies):
1. (bug.py:8849): GStreamer-WARNING **: loop detected in the graph !!
2. sys:1: Warning: g_node_find: assertion `root != NULL' failed
3. (no message, just stalls!)


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