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Re: Movies in safari - Loading problem



From: "Carlos Araya" <email@hidden>

Try saving the movie without hinting... You don't mention what version of
QUicktime you're using but after version 4 compressing the headers for
Internet Fast Start shouldn't be neccessary either .


Hinting is only good for streaming, not for progressive download

I am having trouble preparing a CD with QuickTime content embedded in web
pages.


It seems with my particular movie the QT plug-in in safari is trying to load
the whole movie straight away (rather than progressively). This is basically
consuming the whole machines resources until the movie is fully loaded. The
movie is quite large and as such it takes a very long time to load giving
the user the impression that the browser has hung.


The content unfortunately was prepared by someone else who is unavailable to
fix the problem. It is compressed using Sorenson video and IMA 4:1 audio and
I believe it is hinted as well (I have also re-exported the movie as a
hinted movie to confirm this).


I have seen other movies on the internet play perfectly in Safari which
leads me to believe that my movie is the problem...

The behaviour you mention is typical with local movies, and the problem can often be attributed to the browser. It is the browser which is frantically loading the whole movie into its cache, before passing it on to the QuickTime plugin. On the net this franticness doesn't occur, because movie download speed is limited by bandwidth and happens at a more leisurely pace.


To avoid the problem, you can tell the QuickTime plugin to load the movie directly, bypassing the browser. You still have to indicate some kind of movie for the browser to load in the EMBED or OBJECT tag's SRC parameter, but you should pass the URL of a tiny, dummy movie instead. It should be small to avoid download delays, but it must be something QuickTime can open. It won't actually be displayed though.

Next, you specify the movie you really want to display in the the QTSRC plugin parameter (this overrides the SRC). Additionally, include the QTSRCDONTUSEBROWSER parameter and set it to "true". This tells QuickTime to load the movie specified by QTSRC by using it's own, internal methods, and not use the browser for downloading.

For more information on these parameters, see:
<http://www.apple.com/quicktime/authoring/embed.html>

-- Thomas Fruin
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