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I have no idea, I've got a couple of short dog clips, less than a minute each. (first one is dead, and I can't edit the link anymore)

Highly doubtful they care about the clip length, dtube is about as functional as a 2 legged dog dragging its ass around.

So many dead videos on dtube, most of mine work, only because I have an IPFS mirror setup.

Every dlive video has always worked every time I tried them.

Thanks for the info. I'll have to try it.