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Pamblam/instructions.md

Created July 12, 2019 14:51
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Making High-Quality screencast animated gifs (Gnome Linux)
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instructions.md

Making High-Quality screencast animated gifs

  1. Use any screen recorder to record the screen. Gnome has a built-in recorder that is started and stopped with ctrl+shift+alt+r.
  2. Use kdenlive's edgecrop and speed effects to crop and adjust speed as required. render as mp4.
  3. Convert MP4 to several images:
sudo ffmpeg -i save_project.mp4  -r 20 'frames/frame-%03d.jpg'
  1. Use gimp to determine coordinates of required crop
# format: (cropped width)x(cropped height)+(crop x)+(crop y)
sudo mogrify -crop 1048x1080+438+0 frames/*.jpg
  1. Convert cropped images to animated gif
sudo convert -limit memory 2MB -delay 5 -loop 0 frames/*.jpg save_project.gif
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