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Null(clip clip, string copy)
Null is a debugging command.
values for copy are:
- "makewritable"
- "memcopy"
- "bitblt"
any other value will return clip unchanged.
BW says:
I think it checks to see if data is copied properly. I looked at the source but since i'm not familiar with the AviSynth code i don't know what exactly they are doing. Don't use this command.