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 "vids:IV32 decompressor" ?

Sorry for the newbie question, but...

I recently downloaded an AVI.  I can view it on a Win95 system at work,
but my Windows3.1 system at home can't play it.  Mplayer gives the
error "Can't find vids:IV32 decompressor" or something close to that.

I think I've already installed VfW on my PC.  Is there some other
chunk I need to install to be able to see this?


 Mon, 09 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

This is the new, real cool codec from Intel. You will need to download
the codec and install on your machine. I am not positive that it is
available for 16 bit windows, or that the 32 bit version works on 16 bit
windows. Check the info at Intel. One other hint: if you have a graphics
card with 2MB or less that doesn't support DCI, put the graphics on low
priority and let your processor do the decompression. This is the beauty
of this codec. Smooth video does not rely on your graphics card.

Barbara A. Severance

 Mon, 09 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

Thanks, Barbara!  For general interest, I found an "ivi16.exe"
on that is
intended for use on 16-bit Windows.


 Mon, 09 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?


  You need to upgrade your Video for Windows drivers.  Go to to the Indeo section and download ivi16.exe.  That should
take care of your problem.


 Tue, 10 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

In article <>,

Actually, IV32 isn't the new Intel Video Inteactive--that's IV41.  
IV32 is trusty old Indeo 3.2.  If you've already downloaded the
IVI stuff, you probably got Indeo 3.2 along with it.  If you get
the Video for Windows Runtime from Intel, you'll get the 16-bit
Indeo 3.2 update.

That's a dangerous misassumption, especially if you're making
video that will be played back by the average consumer.  Smooth
video doesn't rely on your graphics card--if you have a fairly
fast graphics card, and a fairly hot machine.  With Indeo 4.1,
it's true--the bottleneck isn't usually the video card:  it's the
processor; anything less than a Pentium will be disappointing.  
However, with Indeo 3.2, a more CPU-friendly codec, you'll find
that CPU time isn't a problem.  Take a Pentium 200 with MMX
extensions and put it in a machine with an old SpeedStar SVGA or
ATI Mach8--you're guaranteed to see a difference.

Tim Lesher
Video Systems Developer
Cardinal Technologies / Asymetrix Corporation        /

 Sat, 14 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

The thing is that I see things that I want to down load and I do because it
is multimedia but the trouble I have is that I cant run them does anyone
know how to?

 Sun, 15 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

What are you trying to do?

 Sun, 15 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

Get the Intel Indio Interactive codec from the intel site and install it
as part of AVI (I even think theres a complete Video 4 Windows with the

 Sun, 15 Nov 1998 03:00:00 GMT   
 "vids:IV32 decompressor" ?

Yup, I misquoted myself. Must of been one of those 3 a.m. replys. ;)

The statement was meant in reference to Indeo Interactive. I have found
that I can produce high quality video for people who have a fast
Pentium, but an average graphics card. It takes a really good card to
push even 320 x 240 at 30fps. The IVI codec seem to handle it very well,
but yes it does take the Pentium, and that is noted on the Intel sight.
Unfortunately many consumers/clients don't understand that having a
Pentium with a 1MB graphics card is not going to allow them full motion,
half screen video. IVI allows me to tune the video to the target
machine without wondering if their graphics card can handle the data

Barbara A. Severance

 Wed, 18 Nov 1998 03:00:00 GMT   
   [ 9 post ] 

Similar Threads

1.What is "vids:IV32 decompressor"?

In article <3fjuqt$>, wrote:
> I tried to play an avi file (which I downloaded from the Net) using
> the Media Player, and I got the error message "Video unavailable.  Can't
> find 'vids:IV32' decompressor."  What is 'vids:IV32' and where can I
> get it?  Thanks in advance for any information.

> --
> Greg


IV32 is the four-cc code for Indeo(TM) video R3.2. Using this code, VfW
knows which codec to call to decode and play an AVI file.

If you have Indeo video installed, then there should be a line in your
system.ini as follows: VIDC.IV32=ir32.dll, in the Drivers section. If
already have this line, then the file maybe corrupted.

If you do not have this line, then you need to install the Indeo video
drivers for VfW. You can find the drivers at the following site:

After downloading this self-extracting archive, expand it into a temporary
directory. Then, run the setup.exe from that directory.


Garry Weil                  
Indeo(TM) Technology Support          
(800) 628-8686, 1-3-1 menu prompts

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