ffmpeg -i dune.prophecy.s01e04.mkv -vf subtitles=subs.srt -c:a copy output_with_subs.mkv ⚠️ Only process files you have legally obtained. This information is for educational and fair-use personal backup purposes. Unauthorized distribution of copyrighted material like Dune: Prophecy is illegal in most jurisdictions.

ffmpeg -i dune.prophecy.s01e04.mkv -vn -acodec copy audio_s01e04.aac

ffmpeg -i dune.prophecy.s01e04.mkv -c copy dune.prophecy.s01e04.mp4