@RedDeerCity
I have tried mlvconverter. Unfortunately, in my case if I added a folder with a lot of MLV's, after converting anything between ~5-15 MLV's it would spew out blank folders. In that post you say "update exiftool too", why is that? That is the only step I have not done, is that causing blank folders?
I know you digg Prores, so that seems like a good method for you, but I don't work with intermediates from start. I just want Cinema/DNG's from the get-go and I want it to be straight forward, in batches, no fiddling around and no Vertical Stripes.
And MLVconverter is heavy on the drives, I travel constantly, so I work with a laptop more or less all the time and therefore a lot of my conversions are done on external drives. With MLVConverter I could barely touch anything on the drive while it was running.
I suggest you try this script for its ease and efficiency, it does exactly what its supposed to; batch processes anything you throw at it.