Function sub_pixel_me

fn sub_pixel_me<T: Pixel>(
    fi: &FrameInvariants<T>,
    po: PlaneOffset,
    org_region: &PlaneRegion<'_, T>,
    p_ref: &Plane<T>,
    lambda: u32,
    pmv: [MotionVector; 2],
    mvx_min: isize,
    mvx_max: isize,
    mvy_min: isize,
    mvy_max: isize,
    w: usize,
    h: usize,
    use_satd: bool,
    best: &mut MotionSearchResult,
    ref_frame: RefType,
)