Merge commit 'e05e5920a4e1f1f15cc8a7c843159d519f6ec18e'

* commit 'e05e5920a4e1f1f15cc8a7c843159d519f6ec18e':
  qsv: Error out if getting session handle failed in avfilter

Merged-by: James Almer <jamrial@gmail.com>

diff --cc libavfilter/qsvvpp.c
Simple merge

diff --cc libavfilter/vf_deinterlace_qsv.c
Simple merge

diff --cc libavfilter/vf_scale_qsv.c
Simple merge