Difference between revisions of "Template:KnownIssue AnimatedBackground"

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Revision as of 00:09, 15 January 2020

Support/Suggested Use Guidance (FAQ).

(this is a community-curated set of best practices / FAQ on the feature's support and solutions/workarounds.)

​​​​​ What should I look for to know if the link will work? or I have a URL, why isn't it working!?

examples of bad Media URLs (they won't work, and why they won't work -- so you can avoid them in your testing)

  • 127.0.0.1/Users/GM/My_Documents/Roll20_Animated_Backgrounds/Supercool.mp4
    That is a local file (that address is a loopback to whatever machine you are on) and nobody else will be able to see it.

  • That link either requires authentication, or issues a redirect - if pass-through authentication is required the Roll20 client will not pass that, and redirections are most often changes in HTML. The player doesn't know what to do with it.
     
  • https://www.youtube.com/watch?v=aRaynveO0MQ 
    That's a youtube URL - like above, there is a website side actions that the link asks the browser to take to redirect or initiate some other elements, and the Roll20 client will not be able to act on that so those links WILL fail. 
     
  • https://media.giphy.com/media/bcKmIWkUMCjVm/giphy.gif​​​​
    That's an animated .gif (see the ending bit of text? that says .gif -- the player doesn't use and cannot play animated gifs, if your file doesn't work, and ends in .gif, that's why.
     
  • https://i.imgur.com/zvATqgs.gifv
    That's the new animated .gif format .gifv.  (and in case you're wondering, renaming a file to .webm or mp4 won't make the file's "type" change - the file is written in a specific language/structure.  The player reads that language, and if its not in that language - it just doesn't work. 
     

One/Some/All of my players cannot see the animation, but I can!

Troubleshooting
Tier 1
Check to see if the player(s) are using the supported environment, have the most current version of R20ES installed correctly, and that it is enabled.

Solution

Check to see if the extension is running, or they are on supported environment.
If it is not, install or enable the extension/plugin. 
See the installation guide.

Tier 2
Most likely the URL you have chosen isn't a public address, and so your browser is playing it because it is authorized already to see that file, while your players are not.

Solution Steps:
Move the file (see Where can I host my Animated Backgrounds ...) to a place everyone has access to.
 
Give everyone access to that location.
The best way to see if its a public file is to open a new browser (Chrome if you are using Firefox, Firefox if you are using Chrome - and install R20ES to work in Incognito or Private viewing mode. then log into Roll20 and see if that browser can see the animation.
You can also test this by putting or choosing ANOTHER animation from that site and setting it as a landing page for the players, before play, make sure they can see the animation clearly - then you can proceed with confidence. Otherwise, you will need to have a backup map as whomever cannot see the test animation on the landing page, very likely cannot see the other image.