There were earlier systems in the 1980s that combined PCs (or equivalent machines) with Pioneer LaserDisc systems (which could be controlled via a serial port) - a somewhat well known one was the BBC Domesday Project:
https://en.wikipedia.org/wiki/BBC_Domesday_Project
An early glimpse of the future, somewhat.
Man what a mess of a project that was.
Outside professionals, not many people stored videos or audio on their PC in the early day, so all the multimedia type stuff, and to some extent including video games ... was all centered around the CD-ROM.
I used to gobble up all the super cheap "multimedia collection" type disks available at the time.
To some extent what made computers the multimedia place to be was the good old CD-ROM, well before the internet took it over.