[Bug 738069] waylandsink: avoid render twice the same buffer

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=738069
  GStreamer | gst-plugins-bad | 1.4.3

--- Comment #2 from Benjamin Gaignard <benjamin.gaignard at gmail.com> 2014-10-07 15:30:57 UTC ---
Putting that in BaseSink or VideoSink worry me... maybe some sinks could
need/accept to receive the same buffer twice ? I think that could have unwanted
side effects.

In this case is really needed to not send the same buffer twice to the Wayland
compositor.

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