ffmpeg -i movie.mkv -vf "subtitles=sub.ass" -vcodec h264 -preset fast -b:v 1.5M -acodec aac -b:a 192k -s 1280x720 out.mp4
WebVTT字幕ファイルは
ffmpeg -i sub.vtt sub.ass
であらかじめ変換しておく
Created
November 16, 2020 13:18
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FFmpegで字幕を焼く
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