* commit 'ebfe622b':
  mpegvideo: drop support for real (non-emulated) edges

Conflicts:
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo_motion.c
	libavcodec/wmv2.c

If this is slower on a major platform then it should be investigated
and potentially reverted.

See: 8fc52a5e
See: 3969b4b8Merged-by: Michael Niedermayer <michaelni@gmx.at>