Skip blocks in B-frames reuse motion vectors from next reference frame. So if referenced blocks is 16x8, 8x16 or 8x8 partitions, skip block will have them too.
Skip blocks in B-frames reuse motion vectors from next reference frame.
So if referenced blocks is 16x8, 8x16 or 8x8 partitions, skip block
will have them too.


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@12987 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg