Merge commit 'b2b4afe8115fe3c8b005d663610e5af06f110165'

* commit 'b2b4afe8115fe3c8b005d663610e5af06f110165':
  hwaccel: fix dxva2 & vaapi loop filter parameters

See: 0ad8f73f137dad1f3d0f818e22bdb2949186e9ec
Merged-by: Michael Niedermayer <michaelni@gmx.at>