1069024 - some kind of Gif not showing

Status: RESOLVED DUPLICATE of bug 1294490

(Firefox :: Untriaged, defect)

Description

[EL HAFI Mohammed]

Attachment: special gif.gif

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0
Build ID: 20140716183446

Steps to reproduce:

Hi!
My Names is EL HAFI Mohammed
and I'm From Morocco
-------
there is an actual gif type that firefox doesn't show but chrome do !


Actual results:

when I open the gif in chrome gif will be affiched but in firefox will not

an exemple special gif file is in the attachment

Comment 1

[YF (Yang)]

It has an extension gif, but its data is actually RIFF (WebP), which currently is not supported by Firefox.

dupe to bug 856375?


You can use the http://www.checkfiletype.com/ to detect recognize it.

Comment 2

[Matthias Versen [:Matti]]

to confirm YF comment : the file has a magic number "RIFFF WEBPVP8X" in the first bytes