Couldn't you just use VLC media player? I'f i'm understanding correctly, you are playing the DVD on your computer, but you have the TV as the screen that the DVD plays on, yes?
VLC is freeware and i know for a fact that you can load .srt files and use them.
Hi, My name's Eves; I'm from Maryland, USA. I am a beginner learning ASL.
Not planning on being an interpreter, I just want to be able to talk to more people.