[Bug 719791] New: [v4l2sink] enable zero-copy path between mfcdec and v4l2sink io-mode=mmap

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=719791
  GStreamer | gst-plugins-good | git

           Summary: [v4l2sink] enable zero-copy path between mfcdec and
                    v4l2sink io-mode=mmap
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: julien.isorce at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Currently there is a copy. Video alignment needs also to be handle.

It also require to have the fix of mfcdec here:
https://bugzilla.gnome.org/show_bug.cgi?id=719789

Patch follows.

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