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Wim Taymans authored
Make the gst_bin_remove_func more like the add_func. Check if the element we try to remove from the bin has the bin as the parent and set the parent flag to NULL immediately, this allows us to avoid concurrent remove operations without using the UNPARENTING element flag. After we unparented the element from the bin, we update the bin state and remove the element from the list. Finally we unlink all the pads. This avoids a race condition where the element could still claim to have the bin as the parent while the bin didn't have a pointer to the element anymore. Fixes https://bugzilla.gnome.org/show_bug.cgi?id=647759
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