Subtitle Questions

I'm facing a problem, i need to change the subtitles track source dynamically from javascript. the current behaviour is that no

I'm trying to access the subtitle settings, so i can change them. but i'm not managing to find a way to access these settings.

I'm trying to use opensubtitles-api node.js wrapper of

The nsregularexpression in ios couldn't parse the whole hindi srt file using the regex expression below:

I have a multi-line text with time in mm:ss format with the subtitle line from the video. i want to convert the mm:ss format to ass format, i.e.

How i must publish a video subtitled in two languages (or n)? all in one publication (one url) all text coming with this publication