gif2webp fails on certain GIF files

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Run gif2webp on the attached GIF

What is the expected output? What do you see instead?
Expected - 
Animated WebP file

Actual - 
GIFLib Error 0:
GIF-LIB error: Image EOF detected, before image complete.

What version of the product are you using? On what operating system?
Ubuntu 14.04
WebP Encoder version: 0.4.0
WebP Mux version: 0.2.0
giflib version: 4.1.6-11

Please provide any additional information below.

Original issue reported on code.google.com by tal.lev...@gmail.com on 9 Jun 2014 at 5:20

Attachments:

• z5otjcyqxcykwixscumo.gif

[GoogleCodeExporter]

reproduced.
ffmpeg GIF decoder also reports an error.

Considering it's an error reported by the libgif itself, there's not much we 
can do: the file
is somehow incorrect or corrupt (although the decoding frame look somewhat 
correct).
Having an exception (e.g: ignoring the error) would open the door to more 
severe decoding errors
on other corrupt files.

Original comment by pascal.m...@gmail.com on 10 Jun 2014 at 7:09

[GoogleCodeExporter]

Note giflib-5.0.5/5.1.0 read this file successfully.
As said, this is a giflib issue though, so closing it here.

Original comment by jz...@google.com on 23 Jul 2014 at 12:56

• Changed state: WontFix