Problem loading AVI with vision

I started building a gait analysis program, and got stuck with the following. Whenever I load AVI files into labview (using IMAQ AVI READ FRAME) it displays about a dozen frames, then I get Error 1074395975: IMAQ Vision: DirectX has timed out reading or writing the AVI file. When closing an AVI file, try adding an additional delay. When reading an AVI file, try reducing CPU and disk load. This happens even with the READ AVI EXAMPLE program that came with the vision package. Since LV is the only application, running on a i7, I am pretty sure this is no load problem. I tried changing the avi compressor, and the resolution, without success. Any ideas?
Attachments:
example.avi ‏2386 KB

These are the CPU and Disk loads while running the AVI (until it crashes, that's about a second of movie play).
I'll try the activeX example, and see where it gets.
Thanks.
Attachments:
cpu_load.png ‏267 KB
disk_load.png ‏233 KB

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excube wrote in message news:<50650000000800000028B00000-1068850981000@exchange.ni.com>...
> I would like to test some vision processing software I wrote by
> reading an AVI file rather than a live stream. I found the "AVI
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> what i need, but I cannot get it to read my avi files. When I run the
> example read VI, it says "An exception occured with the external code
> called by a call library node". Doing further testing, I found one AVI
> on my computer that would work, all others crash the VI. Another odd
> behavior is that the "avi init read" subvi will return the wrong frame
> rate for some AVIs. I have tried both compressed and uncompressed AVIs
> all in RGB format. I have also tried different frame rates and
> encoding options for my AVI file with no luck. I am just a student, so
> buying software is not an option for me.
>
> Has anyone had problems reading AVIs
with this? Are there AVI encoding
> options that will make this VI work?

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