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1
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1answer
23 views

Creating a GIF animation from PNG files while constraining GIF size

Is there a way, perhaps with ffmpeg or convert, to constrain the size of a GIF created by stitching PNG files? This answer (Creating a GIF animation from PNG files) does not address this, and ...
1
vote
2answers
102 views

Loop MP4 From Converted Animated Gif

How do I convert animated gifs to mp4s that loop? This command successfully converts the gifs to mp4s, but the loop doesn't appear to work: for i in *.gif; do ffmpeg -f gif -i "$i" -loop 0 "0output$...
0
votes
2answers
572 views

What viewers can play gif animated images?

I don't seem to have on a Fluxbox Manjaro an image viewer that can play the animated gif files. I think that gwenview can, and I have it on my KDE system, but on a Fluxbox system I would like to ...
10
votes
3answers
751 views

Find all animated gif files in a directory and its subdirectories

let's say that i've done a find for .gif files and got a bunch of files back. I now want to test them to see if they are animated gifs. Can i do this via the command line? I have uploaded a couple ...
0
votes
1answer
763 views

Why convert .GIF to .MP4 file using by ffmpeg on Mac OSX got .MPEG4?

ffmpeg -i original.gif -r 10 outfile.mp4 According to command above, I've got outfile.mp4 but when clicked to see the information of file, i see it's actually a .MPEG4 file and the icon of file is ...
1
vote
1answer
293 views

Convert Multiple Videos to Multiple GIFs

What command will convert multiple video files to multiple GIFs? I use the following command to convert 1 video to GIF: ffmpeg -i input.flv -vf scale=320:-1 output.gif I assume I'll need a bash ...
2
votes
0answers
464 views

Convert images and animated gifs to video

I use the following FFMpeg command to convert images to video. for file in %N; do ffmpeg -framerate 15 -pattern_type glob -i '*.jpg' -vf "scale=min(1920/iw\,1920/ih)*iw:min(1920/iw\,1920/ih)*ih,pad=...
35
votes
3answers
13k views

GIF screencasting; the UNIX way

To take a static screenshot of a selected part of my screen, I often use scrot with -s shot.png. This is great for adding illustrations to StackExchange posts. I even found this script to ...
3
votes
2answers
1k views

Remove nth frames of a gif (remove a frame every n frames)

I've recorded a .gif of the screen with ffmpeg. I've used gifsicle and imagemagick to compress it a bit, but it's still to big. My intent is making it small by removing, say, a frame every 2 frames, ...
10
votes
6answers
10k views

shell command to get pixel size of an image

Is there a shell command that returns the pixel size of an image? I'm trying to produce an animated gif starting from different gifs with different sizes using convert (e.g. convert -delay 50 1.gif 2....
0
votes
2answers
105 views

creating gif animations

I read some where it was possible to create a gif by adding frames to it in a browser. Does that mean on the server you can add frames to it by using cat? Are there other file types that are so ...