A caption file is a completely separate file from a video file. Caption files can be made in a wide variety of formats, and you can upload a caption file to accompany a video in order to create closed ...

Arrgh.I have some Xvid .AVIs with .srt (text-based) subtitle files. I need to recode them to DVD-video in order to watch them on my (non-MPEG4-compliant) DVD player. I can SubMux the .srt and .avi ...