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List:       webkit-unassigned
Subject:    [Webkit-unassigned] [Bug 51780] New: video tag: crashes on random
From:       bugzilla-daemon () webkit ! org
Date:       2010-12-31 17:09:03
Message-ID: bug-51780-2851 () https ! bugs ! webkit ! org/
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https://bugs.webkit.org/show_bug.cgi?id=51780

           Summary: video tag: crashes on random seek and reload of video
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned@lists.webkit.org
        ReportedBy: zhukov.alex@gmail.com


Created an attachment (id=77723)
 --> (https://bugs.webkit.org/attachment.cgi?id=77723&action=review)
html+script to reproduce the bug

Overview:
WebKit (both nightly build r74228 and Safari 5.0.3) crashes when reloading and/or \
seeking within video.

Steps to Reproduce:
attached reloadvideo.html html+script reproduces the crash after five 1-5 minutes of \
reloading. 1. find long enough (large enough) video (the longer the duration the \
faster bug reproduces) (i test on apple IOS training videos (e.g. 1-09 Fundamentals \
of Cocoa Session from WWDC.m4v 336MB) 2. make sure your http server support \
Content-Range headers 3. make sure it takes notable time to download movie into the \
browser (i use uranged bandwidth limited http server \
http://code.google.com/p/uranged/) 4. open reloadvideo.html, you may want to edit it \
first to change video url to your video 4.1 click "Random Reload" 
4.2 click "Random Seek"
5. wait up to 5 minutes
6. crash

Actual Results:
After restarting crashed browser functionality does not restore completely. Seek to \
the middle of the movie is not supported.  User-Agent string changes from "Apple Mac \
OS X v10.6.5 CoreMedia v1.0.0.10H574" to "QuickTime/7.6.6 \
(qtver=7.6.6;cpu=IA32;os=Mac 10.6.5)"

Expected Results:
No crash
Full functionality restored after restarting the application.

Build Date & Platform: WebKit r74228 Mac OS X 10.6.5

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