Red Hat Bugzilla – Bug 194554
-delay option on convert does not work properly
Last modified: 2008-04-27 13:03:56 EDT
Description of problem:
The option to set the delay between frames when creating an animated gif does
not work properly in the convert command.
For example, I have 3 gif images: test01.gif, test02.gif and test03.gif. If I
try to make a pair of animated gifs out of them as follows:
convert test??.gif -delay 200 -coalesce anim1.gif
convert test??.gif -delay 1000 -coalesce anim2.gif
The two results are identical and the time between frames is the default - i.e.
it appears that -delay has no effect.
I tried the same commands on a Redhat 9 machine running
ImageMagick-5.4.7-18.legacy and the operation worked correctly - the delay
between frames was slower and differed between images.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.Get a few .gif frames together
2.Try to combine them into an animated gif with different delays using the
-delay option to convert
3.View them in firefox
Delay unaffected by settings.
Delay should be according to setting.
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Short intro: I'm a new co-maintainer of ImageMagick and as such walking through
all open bugs.
I can still reproduce this bug with the current rawhide version of ImageMagick.
I'll send a notice about this upstream.
Here is upstreams reaction:
> he option to set the delay between frames when creating an animated gif does
> > not work properly
Command line order is important. The delay option is a setting, not an
convert -delay 200 test??.gif -coalesce anim1.gif
convert -delay 1000 test??.gif -coalesce anim2.gif
See http://www.imagemagick.org/Usage/basics/#why for a discussion on why the
ImageMagick command line style changed from ImageMagick 5 to ImageMagick 6.
And I can confirm that using the upstream provided invocation fixes this, closing.