Both can be treated like a tape and copied to a DVD or converted directly to MP4 files. There are some other issues at play, more so with the Mini DVDs than regular DVDs. The Mini DVD format is specific to the brand of camcorder it was originally recorded on if the disc was never finalized. Most of them were Sony or Panasonic, and we can generally recover un-finalized discs, but can be the trickiest format to work with.
Article source: https://www.allmediatransfers.com/transfer-tapes-to-dvd.php