[Bug 796625] vaapipostproc: Bob deinterlace doesn't work for raw file.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796625

Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |NEW

--- Comment #16 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
Ok, I've run the test in another form:

Software:
gst-launch-1.0 filesrc location=1920x1080.nv12 ! rawvideoparse format=nv12
width=1920 height=1080 interlaced=1 ! deinterlace method=6 ! multifilesink
location="test-%d.nv12"

VPP:
gst-launch-1.0 filesrc location=1920x1080.nv12 ! rawvideoparse format=nv12
width=1920 height=1080 interlaced=1 ! vaapipostproc format=nv12 width=1920
height=1080 deinterlace-mode=1 deinterlace-method=bob ! multifilesink
location="test-vpp-%d.nv12"

The software deinterlacer produces 3 images (not sure what is the logic for
the). When I view these image, in the snow, I can see that the lines got scale,
as the snow is presenting a slightly vertical direction. And indeed,
vaapipostproc leaves the frames untouched, not scaled as BoB method is supposed
to be.

To view the files:
gst-launch-1.0 filesrc location=test-2.nv12 ! rawvideoparse format=nv12
width=1920 height=1080 ! imagefreeze ! videoconvert ! gtksink

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