ApplyInterlacedFilter
From Avisynth wiki
This applies any filter to an interlaced source. The filter can be used for both spatial filters, like Blur and temporal filters like TemporalSoften.
function ApplyInterlacedFilter(clip v1, string filter) { v2 = separatefields(v1) selecteven(v2) even = Eval(filter) selectodd(v2) odd = Eval(filter) interleave(even,odd) return weave() }
Example of usage
AviSource("file.avi") ApplyInterlacedFilter(last, "blur(1.5)")