Doc #79809 [Com]: imagecreatefromwebp() does not support animated WebP

From: Date: Thu, 20 May 2021 07:04:48 +0000
Subject: Doc #79809 [Com]: imagecreatefromwebp() does not support animated WebP
References: 1  Groups: php.doc.bugs 
Request: Send a blank email to doc-bugs+get-18767@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=79809&edit=1

 ID:                 79809
 Comment by:         webok74417 at mxcdd dot com
 Reported by:        vincent dot enjalbert at gmail dot com
 Summary:            imagecreatefromwebp() does not support animated WebP
 Status:             Verified
 Type:               Documentation Problem
 Package:            GD related
 Operating System:   Ubuntu Xenial
 PHP Version:        7.4.7
 Block user comment: N
 Private report:     N

 New Comment:

Yes this is a bug. Tried uploading animated webp and get this
Symfony\Component\ErrorHandler\Error\FatalError gd-webp cannot allocate temporary buffer
 seems like its been like this since Dec 2019 atleast.
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Previous Comments:
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[2021-04-08 08:55:09] royaragon5946 at gmail dot com

Thanks for sharing such an amazing Blog.https://www.mycfavisit.website/

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[2020-07-08 16:13:35] vincent dot enjalbert at gmail dot com

Blocked on : https://github.com/libgd/libgd/issues/648

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[2020-07-08 14:19:27] cmb@php.net

Indeed, animated WebP (I think extended WebP in general) is not
(yet) supported.  You would need to demux the stream first.  This
has to be documented.

Besides the missing documentation, this is a libgd issue, so
please report upstream[1] (unless there is already a respective
issue).  Thanks.

[1] <https://github.com/libgd/libgd/issues>

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[2020-07-08 13:37:06] vincent dot enjalbert at gmail dot com

Description:
------------
The error "gd-webp cannot allocate temporary buffer " seems to occurs when using
"imagecreatefromwebp" on an *animated* webp image. 

For example this one : https://media1.giphy.com/media/Lm5hxmmI6ucOQGfjKj/200w.webp



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