Merge commit '7c71ada4'

* commit '7c71ada4':
  aacenc: Fix a rounding bug in aacpsy channel bitrate computation
  yadif: correct strides in filter_edges_16bit
  yadif: restore speed of the C filtering code

Conflicts:
	libavfilter/x86/vf_yadif_init.c

No change as these commits where already in FFmpeg
Merged-by: Michael Niedermayer <michaelni@gmx.at>