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ffmpeg_notes [2019-07-10 14:30] – created nik | ffmpeg_notes [2020-05-07 11:35] – nik | ||
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'' | '' | ||
+ | ====video -> image sequence==== | ||
+ | |||
+ | ...timelapsed (1 frame every 4 seconds) | ||
+ | |||
+ | '' | ||
+ | |||
+ | ==== concat ==== | ||
+ | |||
+ | a list of files (e.g. named files.txt)\\ | ||
+ | '' | ||
+ | '' | ||
+ | |||
+ | then...\\ | ||
+ | '' | ||
+ | |||
+ | also -> https:// | ||
====ffmpeg filters | ====ffmpeg filters | ||
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'' | '' | ||
+ | ====extract audio from mp4==== | ||
+ | |||
+ | '' | ||
====avoid audio/video reencode==== | ====avoid audio/video reencode==== |