Video Lan Codec (VLC) conflict (buffer visible through PNGs)




13 years ago
10 years ago


(Reporter: standsongrace, Unassigned)


1.8 Branch
Windows XP

Firefox Tracking Flags

(Not tracked)





13 years ago
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv: Gecko/20060426 Firefox/
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv: Gecko/20060426 Firefox/

VLC interferes with the display of PNGs in Firefox under Windows XP. Obviously VLC and Firefox are sharing some screen buffer...

Reproducible: Always

Steps to Reproduce:
1. Open a PNG such as that at
2. Play (or pause) a movie in VLC ( Make sure the Output module is set as "Default" (you may need to restart VLC if it isn't).
Actual Results:  
Video is visible through parts of the PNG (I'm guessing they're the totally black parts).

Expected Results:  
Black stays black no matter what other applications are running, and whether they are buggy.

Comment 1

13 years ago
Verified this reproduces with VLC and not WMP.  Video only shows through in one particular color of the picture.  Not sure whether this is a bug in Firefox, XP, or VLC.
Ever confirmed: true
Component: General → General
Product: Firefox → Core
QA Contact: general → general
Version: unspecified → 1.8 Branch

Comment 2

10 years ago
Just found the same bug with a .gif( in Firefox 3.0.4 and VLC 0.9.7 on a Windows XP SP3.

I'm wondering why this bug is so patient
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