[Bug 736072] v4l2: set min_latency for output device according to required minimum number of buffers

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=736072
  GStreamer | gst-plugins-good | git

--- Comment #5 from Aurélien Zanelli <aurelien.zanelli at parrot.com> 2014-09-05 07:52:50 UTC ---
(In reply to comment #2)
> Review of attachment 285402 [details]:
> 
> This patch seems outdated, have you look at master/1.4 ?
Yes, I wrote it ahead of the master branch.

It is likely intended for a an output device used by v4l2sink rather than a
v4l2 filter/decoder, so we wont't trigger the decide_allocation method but only
the propose_allocation. So I think your patch proposal in the v4l2sink case.

> Although I agree with that this need to be added, the CID is different for the
> OUTPUT. That same object can't have both, but it means basically the same in
> both case, so we should rename it to simply, min_buffers.
I agree with that.

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