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

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=704083
  GStreamer | don't know | git

--- Comment #7 from Sebastian Dröge (slomo) <slomo at circular-chaos.org> 2013-07-17 10:18:23 UTC ---
(In reply to comment #5)
> Yes, the idea is to notify the GstMemory implementation that we are going to
> write over the mapped buffer, and we don't care about the existing contents.
> So, the flag probably could be named GST_MAP_REWRITE or something more
> meaningful you may find. Though, GST_MAP_WRITE_FIRST looks good too. :)

Ok, so let's get that part done? :) Patches anybody?

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