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alifa98/desktop-timelapse.md

Last active May 10, 2020 12:28
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TimeLapse
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desktop-timelapse.md

Make Time lapse from desktop

command to take 3600 screenshots wit 3s delay. (3 hours)

Save screens in pwd of terminal

for i in {1..3600}; do scrot -d 3 '%Y-%m-%d-%H:%M:%S.png' ; done

convert screenshots to video file

This command convert images in pwd/directory/ to full resolution video (FPS = 30):

ffmpeg -f image2 -pattern_type glob -i 'directory/*.png' -r 30 -c:v libx264 -pix_fmt yuv420p out.mp4

For scale the video in output (keep aspect ratio so that height is adjusted to fit) use this (width=480px):

ffmpeg -f image2 -pattern_type glob -i 'directory/*.png' -r 30 -vf scale=480:-2,setsar=1:1 -c:v libx264 -pix_fmt yuv420p out.mp4
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