[Bug 708501] New: osxvideosink: fix segfault releasing the element

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=708501
  GStreamer | gst-plugins-good | 1.x

           Summary: osxvideosink: fix segfault releasing the element
    Classification: Platform
           Product: GStreamer
           Version: 1.x
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: ylatuya at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=255449)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=255449)
osxvideosink: fix segfault releasing the sink

There is a race when the element is released. show_frame defers the rendering
to the main thread asynchronously and it might happen when the element has been
released.

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