[Bug 740222] New: libav: Video decoder maps buffer READ/WRITE instead of just WRITE

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=740222
  GStreamer | gst-libav | 1.4.4

           Summary: libav: Video decoder maps buffer READ/WRITE instead of
                    just WRITE
    Classification: Platform
           Product: GStreamer
           Version: 1.4.4
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-libav
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: nicolas.dufresne at collabora.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


While looking into adding features in glbufferpool to allow liav direct
rendering to work, I notice that avviddec was actually mapping buffers
in READ/WRITE. When memory a GL textures, this would cause a download
to occur.

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