Fix encode persistence.
Fix encode persistence.

nulib/avalon,uvalib/avalon,avalonmediasystem/avalon,nulib/avalon,avalonmediasystem/avalon,avalonmediasystem/avalon,nulib/avalon,uvalib/avalon,avalonmediasystem/avalon,uvalib/avalon,uvalib/avalon,nulib/avalon