[Bug 688251] xvimagesink: don't leave the ref to the pool in case of re-negotiation

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=688251
  GStreamer | gst-plugins-base | git

--- Comment #3 from sreerenj <bsreerenj at gmail.com> 2012-11-21 14:11:01 UTC ---
(In reply to comment #1)
> This is not correct. The sink only keeps a ref to its pool when it gets a caps
> event and when it actually negotiates to the format.
> 
> In the allocation query, the sink proposes a bufferpool. If the requested
> format is the same as the currently negotiated format, it can propose that
> pool, otherwise it needs to make a new one.

so you meant the the sink doesn't need to keep the ref to the pool, even though
it is a new pool created in propose_allocation ? Then the sink is keeping ref
to a pool(created in set_caps) which is not using by the upstream
elements,,right?

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