[Bug 780881] New: gstreamer-vaapi against intel-vaapi-driver 1.8.0: Multiple regressions

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=780881

            Bug ID: 780881
           Summary: gstreamer-vaapi against intel-vaapi-driver 1.8.0:
                    Multiple regressions
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: major
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: bsreerenj at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

The new intel-vaapi-release-1.8.0 is bringing multiple regressions. This bug is
to discuss what we can do from middleware perspective in order to not break the
backward compatibility for gstreamer-vaapi customers.

Here is the release mail of intel-vaapi-release: 
https://github.com/01org/intel-vaapi-driver/releases

As mentioned in the release mail this driver release is not supporting (not
failing gracefully to):

The new AVC encoder doesn't support MVC/SVC encoding
The new AVC encoder doesn't support ROI encoding
The new AVC encoder doesn't support multiple slice encoding

The new driver come up with lot of quality improvements for AVC encode in
SKL/BXT and KBL platfrom by introducing new media kernels. But unfortunately is
not backward compatible since it is not supporting the MVC encode and
multi-slice-encode which we support in gstreamer-vaapi.

We should provide some work-around or blacklisting specifically for this driver
release.

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