mc_block          395 libavcodec/snow.c             mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy);
mc_block          418 libavcodec/snow.c     mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\