SQ               3981 libavcodec/dsputil.c             score+= SQ(s[x  ] - s[x  +stride]) + SQ(s[x+1] - s[x+1+stride])                                 \
SQ               3982 libavcodec/dsputil.c                    +SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]);                                \
SQ               3998 libavcodec/dsputil.c             score+= SQ(s1[x  ] - s2[x ] - s1[x  +stride] + s2[x +stride]);