[Bug 733616] v4l2object: get current bufferpool min and max in propose_allocation()

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=733616
  GStreamer | gst-plugins-good | git

--- Comment #7 from Aurélien Zanelli <aurelien.zanelli at parrot.com> 2014-07-25 13:23:05 UTC ---
(In reply to comment #6)
> Review of attachment 281494 [details]:
> 
> No, that isn't right. Propose allocation shall return it's minimum, regardless
> if a pool was configured or not. 
It makes sense.

> The only thing missing here is code that
> read the CID MIN_BUFFERS_FOR_INPUT, and upgrade the minimum from that
> (basically min = MAX(MIN_BUFFERS_FOR_INPUT, GST_V4L2_MIN_BUFFERS).
I could implement this part if you want


> See BaseSrc code of an example of how to re-negotiate a buffer pool 

Thanks for the reference.

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