[Overdrive80]

Originally Posted by Myrsloik

Why oh WHY are you putting so many lines into making your functions not work the same way as basically every other vapoursynth function ever?

And a small hint if you still want to make things more difficult:
planes = []
if y:
planes.insert(0)
...
if planes.count() == 0:
error terror!

Hi, are you referring to some like this, arent you?:

    planes=[]	
    # Select planes
    if y:
        planes.append(0)
    if u:
        planes.append(1)
    if v:
        planes.append(2)
    if len(planes)==0:
        raise ValueError("Really? There are not any plane selected.")