Bug 137648 - Re-enable progressive JPEG image subsampling in WebCore
Summary: Re-enable progressive JPEG image subsampling in WebCore
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: 528+ (Nightly build)
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: David Kilzer (:ddkilzer)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2014-10-12 08:40 PDT by David Kilzer (:ddkilzer)
Modified: 2014-10-16 13:54 PDT (History)
6 users (show)

See Also:

Attachments
Patch v1 (4.39 KB, patch)
2014-10-12 09:24 PDT, David Kilzer (:ddkilzer) 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description David Kilzer (:ddkilzer) 2014-10-12 08:40:01 PDT 
Re-enable progressive image subsampling in WebCore
Comment 1 David Kilzer (:ddkilzer) 2014-10-12 08:41:37 PDT 
<rdar://problem/5293410>
Comment 2 David Kilzer (:ddkilzer) 2014-10-12 08:46:28 PDT 
(In reply to comment #0)
> Re-enable progressive image subsampling in WebCore

This was turned off long ago (before iPhone OS 1.0 shipped) because enabling it caused hangs in WebCore.  The blocking bug was fixed in ImageIO in iOS 8.0, so we're now able to re-enable subsampling of progressive JPEG images.
Comment 3 David Kilzer (:ddkilzer) 2014-10-12 09:24:04 PDT 
Created attachment 239705 [details]
Patch v1
Comment 4 David Kilzer (:ddkilzer) 2014-10-16 10:15:30 PDT 
Add CQ+ flag.
Comment 5 David Kilzer (:ddkilzer) 2014-10-16 13:54:15 PDT 
Comment on attachment 239705 [details]
Patch v1

Needs more investigation due to failing layout test.