1105136 - Certain animated gif skips frames

Status: RESOLVED FIXED

(Core :: Graphics: ImageLib, defect)

Description

[Alice0775 White]

Reported in mozillaZine forum http://forums.mozillazine.org/viewtopic.php?f=23&t=2891537

The problem does not happen in IE and Chrome.

Steps To Reproduce:
1. Open animated gif in http://gassend.net/spaceelevator/breaks/index.html
   (ex. http://gassend.net/spaceelevator/breaks/break0.gif
        http://gassend.net/spaceelevator/breaks/break50.gif )

Actual Results:
Certain animated gif skips frames

Expected Results:
Not skip frames
         

Regression window(m-i)
Good:
http://hg.mozilla.org/integration/mozilla-inbound/rev/f1be240664e8
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0 ID:20131209192836
Bad:
http://hg.mozilla.org/integration/mozilla-inbound/rev/712628797f21
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0 ID:20131209203144
Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=f1be240664e8&tochange=712628797f21

Regressed by:
263980931d1b	Ali Akhtarzada — Bug 890743 - Display 0-delay, single loop GIFs instantly. r=seth Do not artificially create a frame delay for GIF files that do not loop and have an inter-frame delay of 0. Move timeout calculation to FrameBlender and only access raw timeout of imgFrame from within FrameBlender.

Comment 2

[Seth Fowler [:seth] [:s2h]]

Fixed in bug 1126330.