[Bug 704083] Improve GstBuffer/GstVideoFrame mappings for HW surfaces

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=704083
  GStreamer | gstreamer (core) | git

--- Comment #17 from Gwenole Beauchesne <gb.devel at gmail.com> 2014-11-20 09:17:21 UTC ---
On the HW codec element side, I was thinking about an additional mechanism of
caching/locality info. i.e. keep current video frame in VA image as long as
possible, then commit back to VA surface only when needed. However, this incurs
additional tracking to think about, which I am not too sure about yet.

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