[Bug 780620] h264 encoding: artifacts in encoded stream

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=780620

--- Comment #1 from sreerenj <bsreerenj at gmail.com> ---
Created attachment 348843
  --> https://bugzilla.gnome.org/attachment.cgi?id=348843&action=edit
encoder: h264: Fix B frame encoding artifacts

encoder: h264: Fix B frame encoding artifacts

The current implementation is only updating the poc values in
Slice parameter Buffers. But we are not fillig the
picture order count and referece flags in VAPictureH264
while poupating VA Picture/Slice structures.The latest intel-vaapi-driver
is directly accessing the above fields from VAPicutreH264
provided as RefPicLists which resulted some wrong maths in driver
and caused prediction errors.

https://bugzilla.gnome.org/show_bug.cgi?id=780620

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