depansafe

function depansafe( clip c, float "dxmax", float "dymax", float "error", clip "prefilter", bool "info", string "log" ) {
    dxmax = default(dxmax, 1.5)
    dymax = default(dymax, 1.5)
    error = default(error, 4.0)
    prefilter = default(prefilter,c.removegrain(4,4))

    c
    DepanStabilize(data=MDepan(prefilter.MSuper.MAnalyse(isb=false),log=log,error=error),
        \dxmax=dxmax,dymax=dymax,zoommax=1,rotmax=0,info=info)

    cropx = ceil(dxmax)*2
    cropy = ceil(dymax)*2
    ratiox = "YPlaneMax("+string(ceil(99-dxmax/cropx*100))+")"
    ratioy = "YPlaneMax("+string(ceil(99-dymax/cropy*100))+")"

    crop(width-cropx,0,0,0).conditionalfilter(
        \crop(0,0,cropx,0).conditionalfilter(
            \crop(0,height-cropy,0,0).conditionalfilter(
                \crop(0,0,0,cropy).conditionalfilter(
                    \last,c,ratioy,">","0"),
                \c,ratioy,">","0"),
            \c,ratiox,">","0"),
        \c,ratiox,">","0")
}