* mans/dnxhd:
  dnxhddec: cache luma/chroma_weight*qscale tables for last qscale
  dnxhddec: merge ac_{index,run}_flags
  dnxhddec: store 2*level+1 in ac_level tables
  dnxhddec: rearrange decode_dct_block loop
Merged-by: Michael Niedermayer <michaelni@gmx.at>