app.project.item(index).mainSource.highQualityFieldSeparation
app.project.item(index).proxySource.highQualityFieldSeparation
Description
When true, After Effects uses special algorithms to determine how to perform high-quality field separation.
It is an error to set this attribute if isStill is true, or if fieldSeparationType is FieldSeparationType.OFF.
Type
Boolean; read/write.