Video filter Smart swap fields

From Avidemux2

-= Avidemux = Video encoders = Audio encoders = Video filters = Audio filters = Tutorials = Glossary =-

---

It is also common that the capture card/software swaps fields back and forth several times. This filter tries to detect if the fields are swapped, and if so swaps them back.

It is usually better to use this one, rather than the Swap fields filter.

---

-= Avidemux = Video encoders = Audio encoders = Video filters = Audio filters = Tutorials = Glossary =-