2024-01-31, 01:41 AM
Most streaming dongles/boxes don't support ASS subs. Converting to SRT is not a simple task with no way to automate, AFAIK. You have to use ffmpeg to extract the subs then import it into Subtitle Edit to convert from the image based format to plain text.
https://www.nikse.dk/subtitleedit
https://www.nikse.dk/subtitleedit