[Bug 787697] New: gstreamer iOS-universal accessing UI elements on background threads.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=787697

            Bug ID: 787697
           Summary: gstreamer iOS-universal accessing UI elements on
                    background threads.
    Classification: Platform
           Product: GStreamer
           Version: 1.12.x
                OS: other
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-devtools
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: braden at tealdrones.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 359821
  --> https://bugzilla.gnome.org/attachment.cgi?id=359821&action=edit
Output from Xcode 9.0 GM

With Xcode 9.0 GM when a debugger is attached you warnings for accesses to UI
elements that don't take place on the main thread. The GStreamer iOS-Univeral
1.12.2 package is doing this very frequently. This results in frequent crashes
because reading/updating active UI elements when not on the main thread is
unsafe in iOS.

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