[Bug 764344] New: Fail to play HEVC 10bit decode in wayland weston

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=764344

            Bug ID: 764344
           Summary: Fail to play HEVC 10bit decode in wayland weston
    Classification: Platform
           Product: GStreamer
           Version: 1.8.0
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: siew.hoon.lim at intel.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

Submit this bugzilla to check on HEVC(H265) 10bit decode Gstreamer-vaapi
capable to support on wayland weston or not. The wayland spec and drm_fourcc.h,
wayland weston didn't support for 10 bit surface. But it  should be able to
render out if using vpp to scale down 10 bit surface to 8 bit surface.

It will hit to va_GetSurfaceBufferWL function in intel-va driver that didn't
support for obj_surface->fourcc = VA_FOURCC_P10 (because the wayland weston
didn't support 10 bit surface). 

I'm not sure yet how this should be work yet. But it should be similar concept
on how it handle for X11. 

Gst command:
gst-launch-1.0 filesrc location=/home/test/video_h265.mp4 ! qtdemux !
vaapidecode ! vaapisink

gst-launch-1.0 filesrc location=/home/test/video_h265.mp4 ! qtdemux !
vaapidecode ! vaapipostproc format=i420 width=1920 height=1080 ! vaapisink

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