youtube-dl has --embed-subs and --convert-subs (currently supported: ass, lrc, srt, vtt)
The automatic thing is interesting, and i'll have to check how to use whisper, i have a ton of old DVD rips that either have no subtitles or opensubtitles that have severe timing issues that make them unusable with a dumb player (like roku).
The automatic thing is interesting, and i'll have to check how to use whisper, i have a ton of old DVD rips that either have no subtitles or opensubtitles that have severe timing issues that make them unusable with a dumb player (like roku).