2012 Mac pro on High Sierra 10.13.6 doesn't play DVDs anymore. Can this be remedied by updating driver?

So my macbook is getting on but still functioning well for everyday purposes. However the other day I took out a stack of arty DVDs from the local library and not one of them is recognized by mac, which honestly has probably not tried playing a DVD for years. I read somewhere this might be down to iDVD not working on High Sierra. Either way, has anyone else experienced this and knows of something I could do to view DVDs again without splashing out on a new machine? Software or driver etc, ideas welcome