[Bug 663701] videomixer: deadlock in stream lock

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=663701
  GStreamer | gst-editing-services | unspecified

Sebastian Dröge <slomo> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |slomo at circular-chaos.org
          Component|gst-plugins-good            |gst-editing-services
           Severity|blocker                     |critical

--- Comment #1 from Sebastian Dröge <slomo at circular-chaos.org> 2011-11-24 08:32:49 UTC ---
This doesn't look like a regression and as such is no blocker.

The problem here really seems to be that the flush-start event is not properly
forwarded, which results in the videomixer2 collected function not being
unlocked. This then causes a deadlock because the collectpads2 streamlock is
never released. The flush-start event should be forwarded by gnlcomposition and
this looks like a bug in gnonlin or ges because it does block the gnloperation
pad but never unblocks it, which causes the flush-start event to be never
forwarded further downstream.

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