Add/Embed Subtitles (with Opaque Box) Permanently to a Video file

I have recently been assigned a project which required subtitles, trans-coding and then embedding to a video file. The video file given to me had already subtitles (hard copied) in another language and the only way to hide them (as much possible) and display other subtitles was to use the opaque box. The opaque box is the black box that surrounds the subtitles. In web design/CSS programming imagine that is a <div> with black background and a padding option. Continue reading