Alexander Strange 2b9969a945 H264: Fix out of bounds reads in SSSE3 MC
Reading above src[-2] isn't safe, so move loads and palignr ahead
3 pixels to load starting at the first pixel actually used.

Fixes issue941.

Originally committed as revision 18999 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-30 22:19:14 +00:00
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