int *mx_ptr, int *my_ptr,
int P[10][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],
int *mx_ptr, int *my_ptr,
int P[10][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2],