This function calculate block motion vectors (with integer pel accuracy), using hierarchical block matching algorithm.

％An example of main function calling this function is "MEMBA", which can be entered on the command window.

％The function also use the function "EBMA" for motion estimation of every macroblock-This function calculate block motion vectors (with integer pel accuracy), using hierarchical block matching algorithm. An example of main function calling this function is　MEMBA , which can be entered on the command window. The function also use the function　 EBMA　for motion estimation of every macroblock