How do I know if a GIF is animated?

Question

I have this Rails app with a folder to load images - but how can I check if an image is an animated GIF using RMagick?

+3

ruby ruby-on-rails ffmpeg animated-gif rmagick

Mark boulder 01 dec. 14 at 22:49

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1 answer

Anthony · Accepted Answer · 2014-12-02T02:22:03+0000

You can count scenes

associated with the image. The Rmagick

means to do something like this:

image = Magick::ImageList.new(image_file)

if image.scene == 0
  #this is not an animated gif
else
  #this is an animated gif
end