[Bug 707361] video: Add support for 64x32 tiled NV12 color format

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=707361
  GStreamer | gst-plugins-base | git

--- Comment #47 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-01-02 23:56:09 UTC ---
I tried this version today, but so far it fails for me when trying to map the
third plane (which does not really exist).

default video-frame.c:137:gst_video_frame_map_id: failed to map video frame
plane 2

Running:
gst-launch-1.0 videotestsrc ! video/x-raw,width=1280,height=720,format=NV12T !
v4l2sink device=/dev/video12

The difference is that the buffers are mmap() allocated, and there is multiple
memories. I need to dig more, but it's odd to me to map a plane that does not
exist, though I'm guessing to get the metadata to be copied, we need to declare
that third plane. To be continued ...

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