+static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
+ pixel *dst = (pixel*)_dst;\
+ pixel *src = (pixel*)_src;\
+ const int A=(8-x)*(8-y);\
+ const int B=( x)*(8-y);\
+ const int C=(8-x)*( y);\
+ const int D=( x)*( y);\
+ int i;\
+ stride >>= sizeof(pixel)-1;\
+ \
+ av_assert2(x<8 && y<8 && x>=0 && y>=0);\
+\
+ if(D){\
+ for(i=0; i<h; i++){\
+ OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
+ dst+= stride;\
+ src+= stride;\
+ }\
+ }else{\
+ const int E= B+C;\
+ const int step= C ? stride : 1;\
+ for(i=0; i<h; i++){\
+ OP(dst[0], (A*src[0] + E*src[step+0]));\
+ dst+= stride;\
+ src+= stride;\
+ }\
+ }\
+}\