Kdelive

• Subtitles: https://www.youtube.com/watch?v=nVseXbfIltc

Burn subtitles

• https://www.reddit.com/r/kdenlive/comments/p261io/hardcodingburning_subtitles_into_video/
• https://www.reddit.com/r/kdenlive/comments/pkk4ub/how_do_people_subtitle/
• https://www.youtube.com/watch?v=BMPo_KV-Kt8&t=159s