Differences
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ffmpeg_notes [2019-09-22 17:08] nik [concat] |
ffmpeg_notes [2020-05-07 11:35] (current) nik |
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| Line 144: | Line 144: | ||
| ''ffmpeg -i clip.mov -i clip2.mov -filter_complex vstack merged.mov'' | ''ffmpeg -i clip.mov -i clip2.mov -filter_complex vstack merged.mov'' | ||
| + | ====extract audio from mp4==== | ||
| + | |||
| + | ''ffmpeg -i input.mp4 -b:a 320K -vn output-audio.mp3'' | ||
| ====avoid audio/video reencode==== | ====avoid audio/video reencode==== | ||