Strange behavior of Flash in Firefox

Hello

I am currently designind my portfolio online with Flash. It is intended to be a liquid design that fills the browser window. I was more or less happy coding with AS3 and Flash CS5 when I noticed something really odd, and that could become a big problem: Firefox can't read the animation correctly.

I would get this right: the animation loads, the user interface starts appearing (it is created dynamically from the main class in AS3), and then it justs... stop acting. No sound, no other UI element, nothing. First of all, I thought that I coded wrong something, but - drumrolls-it works OK by itself (that is, when I open the SWF file manually).

I knew then the NPSWF32.dll plugin, since it will not of course be used by Windows Explorer (which I suppose use the AX version). But I was denied, too. Opera, who uses it too (I double checked in Process exploring and making sure windows resource monitor) play the file correctly. So, to summarize:

  • File to run from windows Explorer: works
  • Whitin Flash executed file (CTRL + ENTER, etc.): works
  • File executed within IE (both inside and outside the HTML file) on localhost: works
  • File running in Opera 11 (both inside and outside the HTML file) on localhost: works
  • File running in Firefox (both inside and outside the HTML file) on localhost: FAILS.

I also suspected a problem with the acceleration hardware, but even when I disable it, the problem persists.

It is really annoying because 10 to 20% of inernet users use Firefox, a percentage that is even higher if we consider the technology savvy population, which is one of my key audiences. While I'll lose a lot of opportunities, if this does not work.

So, I asked myself:

  • Is this a problem, and if so, how can I remedy this?
  • If not, contact Adobe or Mozilla in a test case?

(System: Win 7 x 64 professional, 12 GB of RAM, ATI Radeon HD 5870 M, i7-720QM)

Thanks in advance for your answers,

(PS: If you need more information, please tell me)

Additive

I just tested it on another computer by accessing the local server from there. (Win 7 x 64 professional, core 2 duo T9600, nVidia GTX 260 M, 8 GB of RAM)

It works perfectly on all browsers (IE, FF, Opera).

So I will add to the possible causes: defective video driver ? (but then, why he always fails when I disable hardware acceleration?)

All browsers on both machines to use the most recent Flash player 10.2.152.

It is rare that there is a problem of cross-platform with animations like this. I think that most people would be deafult to pointing to your version of Flash, or recommend that you make sure to uninstall Flash for FF and reinstall. But I guess that you have thought about it already... You did good detective work, and I don't know myself what would be the cause.

It might help to share a link to the animation so that others can view them (of course, who opens what version of FF and the Flash view it with).

  • You can try another browser that uses the same plugin as FF - Google Chrome - to see what is happening (as another test).
  • Also, try to separate look a SWF in FF between the consultation in HTML and actually open the SWF with FF (just drag the SWF file in FF) so see if it shows different results.
  • You have problems to view other Flash content in FF when you browse various sites online?
  • Something that can be useful when the resolution of the problems of mystery is to ' he dumb down. Reduce the area problem to something much simpler - perhaps, to wherever the brakdown is, just you show an animation simple interpolation to see fi that appears.
  • If you are familiar with debugging SWF files in your browser, try this as well.

Tags: Adobe Animate

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