[Bug 796626] New: [Feature requirement] PRIME Buffer Sharing (Buffer Import/Export).

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796626

            Bug ID: 796626
           Summary: [Feature requirement] PRIME Buffer Sharing (Buffer
                    Import/Export).
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: fei.w.wang at intel.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

This is an Intel feature requirement.

The video driver's vaCreateSurfaces2 driver entrypoint shall accept a
VASurfaceAttribMemoryType attribute value of
VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_PRIME. This attribute will instruct the
driver to use the buffer whose Prime file descriptor is stored in the
VASurfaceAttribExternalBufferDescriptor as the backing buffer for the new
VASurface.

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