[Bug 792403] compositor not producing buffers unless a buffer has been received despite start-time-selection=zero

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=792403

Florent Thiéry <florent.thiery at ubicast.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #7 from Florent Thiéry <florent.thiery at ubicast.eu> ---
The difference comes down to the added processing cost for videotestsrc vs
compositor (which is generating the background).

Apparently compositor isn't clever enough yet to skip drawing the background if
it's filled.

  /* TODO: If the frames to be composited completely obscure the background,
   * don't bother drawing the background at all. */

https://github.com/GStreamer/gst-plugins-bad/blob/master/gst/compositor/compositor.c#L1129

But that's probably neglectable and a very valid workaround, i guess we should
close this issue then.

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