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zh4n7wm/ffmpeg-command-lines.md

Last active June 16, 2020 07:52
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ffmpeg tips
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ffmpeg-command-lines.md

extract audio from swf file, then save as mp3 file

$ ffmpeg -i input.swf -acodec copy output.mp3
$ for x in $(ls *.swf); do output=$(echo $x | sed 's/.swf/.mp3/'); ffmpeg -i $x -acodec copy ~/Downloads/nce-flash-01/$output; done

download m3u8 to mp4

$ ffmpeg -i https://media001.geekbang.org/13d6aa3bd2fd4f01a6ebc04771b88f0e/03d3c1eeedcc4854b9b5b5c1a88b8921-a37f6999637db379b3b9c31b62edfdc9-hd.m3u8 -c copy guoyu.mp4
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