I created OGV videos with the gtk-recordmydesktop screencasting program, trying to tackle this problem here with bruteforce over X. I can view the videos with VLC.

Now, the task is to find some ways to convert OGV videos into GIF animations so I can display them on SE. How can I do that?


take a look at this: https://askubuntu.com/questions/107726/how-to-create-animated-gif-images-of-a-screencast/107735#107735

..... After the Desktop Recorder has saved the recording into an OGV video, MPlayer will be used to capture JPEG screenshots, saving them into the 'output' directory.

On a terminal:

mplayer -ao null <video file name> -vo jpeg:outdir=output

Use ImageMagick to convert the screenshots into an animated gifs.

convert output/* output.gif

you can optimize the screenshots this way:

convert output.gif -fuzz 10% -layers Optimize optimised.gif
  • 1
    For a large number of images, I had to add -limit map 1 to convert (got a "Killed" otherwise). – Ax3l Sep 8 '14 at 15:12
  • With a 30 second ogv video, the convert command took all my cpu and was going for over 10 minutes before i stopped it. adding -limit map 1 to the command did not fix it. – max pleaner Oct 21 '15 at 21:19
  • 1
    Try this for converting ffmpeg -i output/00000%03d.jpg output.gif unix.stackexchange.com/questions/24014/… – Dawid Drozd Jul 13 '16 at 16:07
  • It bears mention that direct convert output/* -fuzz 10% -layers Optimize optimised.gif is possible as well, and noticeably faster than the two-command path. Also, mplayer readily creates png screenshots as well, which may be preferred for captures of websites or GUIs. – Raphael Oct 4 '17 at 10:09

Simple script with good quality




#Generate palette for better quality
ffmpeg -i $inputFile -vf fps=$FPS,scale=$WIDTH:-1:flags=lanczos,palettegen tmp_palette.png

#Generate gif using palette
ffmpeg -i $inputFile -i tmp_palette.png -loop 0 -filter_complex "fps=$FPS,scale=$WIDTH:-1:flags=lanczos[x];[x][1:v]paletteuse" output.gif

rm tmp_palette.png

Code from: https://superuser.com/a/556031/295664

Without palette: (231 KB)

enter image description here

With palette:(573 KB)

enter image description here


This one-liner is working for me:

ffmpeg -i video.ogv video.gif
  • 2
    Is this essentially different from the existing answers that use ffmpeg? How? – ilkkachu Dec 8 '17 at 15:12
  • 1
    @ilkkachu I was looking for a very quick, simple and easy-to-remember solution. The other answers are much more complicated and not so easy to understand at first glance (probably resulting in higher quality results, though). – luator Dec 8 '17 at 22:53

echo '# Determine input WxH and FPS' 
eval "$(ffmpeg -i "$ifile" 2>&1 |sed -nr 's/.*Stream.*Video.* ([0-9]+x[0-9]+),.*[^[0-9.]([0-9.]+).*tbr,.*/WxH=\1;FPS=\2/p')"

echo '# Output multiple images from the input video'
ffmpeg -i "$ifile" -r $FPS -s $WxH -f image2 -vframes 100 -y ~/test-%03d.jpg 2>/dev/null

echo '# use ImageMagic "convert" to generate the animated .gif' 
convert -delay 20 ~/test-[0-9][0-9][0-9].jpg  ~/test.gif 

echo '# remove temp image files'    
rm -f  ~/test-[0-9][0-9][0-9].jpg

echo 'Done!'
  • 1
    Suggest converting to PNG, not JPEG, larger but reduces re-compression artifacts. – ideasman42 Mar 30 '14 at 6:50

protected by Community Nov 22 '18 at 6:49

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