If you're working on a project that involves:
(example for converting a video file while keeping subtitles): cawd764engsub convert025654 min work
If the subtitle is out of sync and you want it to align starting at , you need to delay or advance all timestamps. If you're working on a project that involves:
ffmpeg -i cawd764.mkv -ss 00:25:54 -t 00:03:00 -c:v libx264 -preset slower -crf 18 -c:a flac -c:s mov_text output_hq.mp4 cawd764engsub convert025654 min work