[Bug 763496] queue: Can release serialized (ALLOCATION) query before downstream returned it

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=763496

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

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--- Comment #7 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
Comment on attachment 323714
  --> https://bugzilla.gnome.org/attachment.cgi?id=323714
queue: Only unblock upstream waiting for the query once downstream is finished

commit 722ad087338520047241a319a506e464017bf0da
Author: Sebastian Dröge <sebastian at centricular.com>
Date:   Fri Mar 11 16:04:52 2016 +0200

    queue: Only unblock upstream waiting for the query once downstream is
finished

    ... when flushing and deactivating pads. Otherwise downstream might have a
    query that was already unreffed by upstream, causing crashes or other
    interesting effects.

    https://bugzilla.gnome.org/show_bug.cgi?id=763496

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