[Bug 762547] New: The NV12 UV plane address does not match with 1920x1080 frames

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=762547

            Bug ID: 762547
           Summary: The NV12 UV plane address does not match with
                    1920x1080 frames
    Classification: Platform
           Product: GStreamer
           Version: 1.6.3
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: scheuermann at barco.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

I use a pipeline like

vaapidecode ! vaapipostproc ! appsink

The buffer I get from appsink with

buffer = gst_sample_get_buffer(_sample);
caps = gst_sample_get_caps(_sample);
gst_video_frame_map(&frame, &vinfo, buffer, GST_MAP_READ);

has a mismatch of the UV plane with the NV12 format.

I should be able to access the video planes via
frame.data[0] for the Y plane and
frame.data[1] for the UV plane.

But the UV plane does not start there, it starts later.
With lower resolutions like 1280x720 this doesn't happen. There the address is
correct.

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