Would it be difficult or worthwhile to allow some non-gifs such as jpg or png as input and convert them to gif first?
So:
gifsicle --delay=10 --loop *.jpg > anim.gif
hugovk
All 7 comments
Worthwhile sure; difficult yes; patches are welcome.
kohler
on 18 Feb 2014
According to this page, you can use ImageMagick to convert images and pipe them straight into gifsicle:
convert Img*.png GIF:- | gifsicle --delay=50 --loop --optimize=2 \
--colors=256 --multifile - > out.gif
CyberShadow
on 22 Sep 2014
What I usually do is convert -delay 3 *.png gif:- | gifsicle -O3 [..etc..] > output.gif.
iirelu
on 22 Sep 2014
Do these ImageMagick based solutions actually produce good quality results? Converting to individual gif frames and then assembling them sounds like it would cause a significant quality loss; doesn't it?
cpitclaudel
on 5 Jul 2016
Converting to individual gif frames and then assembling them sounds like it would cause a significant quality loss; doesn't it?
That's correct. Each frame would be dithered individually, which removes a lot of information a tool such as gifsicle could use for optimizing successive frames. High-quality GIFs from true color sources is probably outside gifsicle's scope.
CyberShadow
on 5 Jul 2016
I see; thanks for the clarification!
cpitclaudel
on 5 Jul 2016
A pity this was closed early as it's a useful suggestion and as mentioned above pre-converting to GIF frames using ImageMagick appears to have its own drawbacks. Assumed gifsicle actually had this feature given all the frame selection options until I found this issue, as was needing to achieve optimized frame to GIF conversion.
chocmake
on 2 May 2018
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Most helpful comment
A pity this was closed early as it's a useful suggestion and as mentioned above pre-converting to GIF frames using ImageMagick appears to have its own drawbacks. Assumed gifsicle actually had this feature given all the frame selection options until I found this issue, as was needing to achieve optimized frame to GIF conversion.