[Webkit-unassigned] [Bug 53250] [chromium] JPEG corruption

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53250





--- Comment #1 from Hironori Bono <hbono at chromium.org>  2011-01-27 21:10:08 PST ---
(In reply to comment #0)
> 1. Load http://cdn.techi.com/wp-content/uploads/2011/01/Google-Censorship-Graphic-01.jpg in Chrome 10.0.642.2 or above and notice the JPEG is corrupt.
> 2. Load http://cdn.techi.com/wp-content/uploads/2011/01/Google-Censorship-Graphic-01.jpg in Chrome 8.0.552.237 or below (or any other browser) and notice it displays properly.
> 
> http://trac.webkit.org/changeset/73736 seems like a likely candidate.

In brief, libjpeg-turbo is not enabled on Chromium or Chrome by default because it causes a build break on Mac. (We can use it only when we explicitly set the 'use_libjpeg_turbo' value to 1 in '~/.gyp/include.gypi'.)

By the way, to test the attached JPEG image with our continuous builds, r65032 (WebKit r71308) (*2) can show it without problems but r65179 (WebKit r71368) (*2) cannot. So, I assume a change from WebKit r71308 to WebKit r71368 caused this issue.

(*1) <http://build.chromium.org/f/chromium/continuous/mac/2010-11-03/65032/chrome-mac.zip>
(*2) <http://build.chromium.org/f/chromium/continuous/mac/2010-11-04/65179/chrome-mac.zip>

Regards,

Hironori Bono

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