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ffmpeg_notes [2019-09-22 17:08]
nik [concat]
ffmpeg_notes [2020-05-07 11:35] (current)
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====