SMDegrain settings for less detail loss

SMDegrain(tr=2, plane=4, RefineMotion=true, ContraSharp=true, lsb_in=false, lsb=true, lsb_out=true,
\         chroma=true, prefilter=1, pel=2, search=3, thSAD=300, thSADC=150, thSCD1=300)