Merge commit '2708c8e8'

* commit '2708c8e8':
  hwcontext_vaapi: Set message callbacks on internally-created devices
  vaapi: Always free parameter buffers after vaEndPicture() with libva2
  vaapi: Remove H.264 baseline profile
  configure: Add config option for libva2 (VAAPI 1)
  vaapi: Disable deprecation warnings around use of struct vaapi_context

This commit is a noop, see
375cf55f
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f3602875Merged-by: James Almer <jamrial@gmail.com>