Re: Windows Media Player in Firefox Causing Reload

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On Mon, 4 Aug 2008 19:30:47 -0700 (PDT), pbd22 <dushkin@xxxxxxxxx>
wrote:

anybody out there?

Yes, but not at 3AM our time (when you posted, 19:30:47 -0700 PDT)

In any case this is a peer support group, which means user to user, so
you can only expect an answer "sometime soon" when somebody able to
answer it (a web developer, like me) turns up and happens to spot the
message.


the embed tag in firefox points to the dynamic ASX file that
has codebehind that logs the visit. then it renders the ASX
returns it with the response type:

Response.ContentType = "video/x-ms-asf"

WHen I go to this ASX with IE the log works as it should.

But, with FF the browser reloads at the beginning. I have
no clue whatsoever why this is happening.


Probably javascript page reload from one of the Postback actions -
without any clues on the complete page code sent to the client, i.e.
without a web address it's impossible to generalise of course.

..NET "postback" isn't really a background postback, it's a page reload
using POST or GET request, as opposed to a more AJAX styled background
HTTP POST which wouldn't require a page reload to recover updated page
content.

One thing worth knowing : When WMP sends a request for an ASX playlist
supplied as the <param name="URL" /> of an <object /> element (or the
FileName attribute an <embed /> element), it hands that off to the
browser to make the request.

When the browser determines the MIME type, it hands it back to the
plugin control, and the plugin then requests the media file and/or
playlist again.

So you may well see 2 log entries in your web server logs per request,
one from (apparently) the browser, and a second from media player
plugin.

You can check this behaviour in your browser using the Fiddler
debugging proxy configured for Firefox (set firefox to look for a
proxy on 127.0.0.1 port 8888)

Speaking of plugins, which do you have installed there - the old
(default) firefox NPAPI netscape style plugin, or the Port 25 Firefox
plugin from one of the MS "open source" teams ?

Indeed, which version of Firefox, media player, and operating system
do you have come to think of it ?

HTH
Cheers - Neil
------------------------------------------------
Digital Media MVP : 2004-2008
http://mvp.support.microsoft.com/mvpfaqs
.

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