Bug #70045 [Opn]: imagewebp

From: Date: Sat, 11 Jul 2015 23:32:20 +0000
Subject: Bug #70045 [Opn]: imagewebp
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-194340@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=70045&edit=1

 ID:                 70045
 Updated by:         cmb@php.net
 Reported by:        stefan at devil dot se
 Summary:            imagewebp
 Status:             Open
 Type:               Bug
 Package:            GD related
 Operating System:   Ubuntu 14.04.2
 PHP Version:        5.5.27
 Block user comment: N
 Private report:     N

 New Comment:

Umm, I can reproduce the issue with the official Windows binary of
PHP 5.5.19, but not with PHP 5.5.20. As there doesn't seem to be
any relevant change in the bundled libgd between this two
versions, it might be a libvpx issue.


Previous Comments:
------------------------------------------------------------------------
[2015-07-11 16:57:27] stefan at devil dot se

Sorry about that. Theese are the images I tested with.

https://www.dropbox.com/s/v6bzyg39j4r28dg/images.tar.gz?dl=1

example.webp
example2.webp
nature.webp (working)
nature2.webp
nature3.webp
nature4.webp (working)
nature5.webp
nature6.webp (working)

------------------------------------------------------------------------
[2015-07-11 12:05:51] cmb@php.net

Related to bug #69611.

Stefan, please post a link to at least one of the failing images.

------------------------------------------------------------------------
[2015-07-11 08:10:33] stefan at devil dot se

Description:
------------
I have tested the code below with 8 random jpg images from Google and the images generated are
either working as expected or just plain white. All files work with webp command line.

PHP 5.5.9-1ubuntu4.11 (cli) (built: Jul  2 2015 15:23:08)

Array
(
    [GD Version] => 2.1.1-dev
    [FreeType Support] => 1
    [FreeType Linkage] => with freetype
    [T1Lib Support] => 
    [GIF Read Support] => 1
    [GIF Create Support] => 1
    [JPEG Support] => 1
    [PNG Support] => 1
    [WBMP Support] => 1
    [XPM Support] => 1
    [XBM Support] => 1
    [JIS-mapped Japanese Font Support] => 
)

Test script:
---------------
$path = dirname(__FILE__) .'/images/example.jpg';

$im = imagecreatefromjpeg($path);

$webp = imagewebp($im, dirname(__FILE__) .'/images/example.webp');
imagedestroy($im);

var_dump($webp);

Expected result:
----------------
A generated webp image file that displays correctly in Chrome 43.0.2357.132 (64-bit).

Actual result:
--------------
A generated webp image file that seems to have the correct size but is blank in Chrome 43.0.2357.132
(64-bit).


------------------------------------------------------------------------



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