[Bug 670321] playbin2 hangs and crashes in notify_source_cb() when controlled by rhythmbox

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=670321
  GStreamer | gst-plugins-base | 0.10.x

Sebastian Dröge <slomo> changed:

           What    |Removed                     |Added
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                 CC|                            |slomo at circular-chaos.org

--- Comment #22 from Sebastian Dröge <slomo at circular-chaos.org> 2012-05-22 12:35:32 UTC ---
(In reply to comment #19)
> gstplaybin2.c:activate_group will add a uridecodebin to playbin, but if its
> state change fails, we exit the function with group->active set to FALSE and
> the uridecodebin still in the pipeline.  All of the paths that call
> deactivate_group check that group->active is TRUE first, so the uridecodebin
> doesn't get removed.  With that uridecodebin still in the pipeline, attempts at
> starting playback fail because it won't change to PAUSED.
> 
> Is this something I'm supposed to deal with?  If so, how?

No, this looks like a bug in playbin. Thanks for analyzing. Do you want to
provide a patch? playbin should probably remove the uridecodebin immediately if
something goes wrong before it sets group->active=TRUE.

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