Optimize ctx calculation in decode_cabac_mb_mvd(), code by dark shikari. The case for 16x16 blocks becomes 10 cpu cycles faster on pentium dual, i could not find a speed difference in the case of subblocks though.
Optimize ctx calculation in decode_cabac_mb_mvd(), code by dark shikari.
The case for 16x16 blocks becomes 10 cpu cycles faster on pentium dual,
i could not find a speed difference in the case of subblocks though.


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@16226 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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