ffmpeg -i ipx468engsub.ipx # Confirm decoding support If supported, embed English subtitles ( subtitle.srt ):
ffmpeg -i ipx468engsub.ipx -ss 00:00:00 -t 01:57:33 -c:a copy extracted.mp4 If the output format isn't needed as MP4, specify another container (e.g., MKV, AVI): ipx468engsub convert015733 min top
ffmpeg -i input.mp4 -vf "subtitles=subtitle.srt" -c:a copy output.mp4 ffmpeg -i ipx468engsub