[Bug 687899] New: queue event handling broken with unlinked queue and sticky events

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=687899
  GStreamer | gstreamer (core) | git

           Summary: queue event handling broken with unlinked queue and
                    sticky events
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: alessandro.d at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=228438)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=228438)
patch and test case

Segment seeking seems to be broken in 1.0 when you use decodebin with a file
having audio and video but only audio or video are linked.

Seems to be a bug in queue, which returns FALSE in gst_queue_sink_event for
sticky events while as far as I understand it, it should fail at the next
gst_pad_push so that upstream can see that the queue is NOT_LINKED and
aggregate properly.

Test case and proposed fix attached.

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