[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 #15 from Wim Taymans <wim.taymans at gmail.com> 2014-11-20 08:28:30 UTC ---
The decoder should probably first map in write-only then remap in read-only
when using as reference frames.

Otherwise if you give away a handle to the reference frame (in rw-mode), it's
possible that some downstream element can map again in write mode and modify
the data.

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