Convert irf files to avi or othr standard video format

I need to convert a bunch of irf files into a standard video format such as mp4 or avi.  Preferably a batch convert as I have about 50 files.

I have looked everywhere for software that will do this but all I find are websites that advertise that they have it but when you get to their site they are just a bunch of ads for other software.

Can anyone recommend a way to get this done?

Thanks!
hadhazi1Asked:
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☠ MASQ ☠Commented:
.irf is an Autodesk impression drwaing file extension.  Are you certain they're video clips.
Try opening them with GSpot to see if there's a recognisable video stream inside.

Otherwise look for an autodesk picture viewer.
hadhazi1Author Commented:
Actually, I took them off of a Digital Video Recorder used for recording security video.  This appears to be the file type they use.  When I backed the files up on a thumb drive they came with a player.  However, for the 3 GB of data there are about 30+ files.  It seems to put them in around 100mb chunks.  

So, I am looking for a way to batch convert them to a usable file type and then batch assemble them so that I can easily watch the security footage.

I did try to use the gspot play you recommended.  However, the following is what it said when I loaded one of the files.


"There is no application associated with the given file name extension"
☠ MASQ ☠Commented:
try renaming one to .avi and open with GSpot again
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hadhazi1Author Commented:
Hi

I just tried that.  

When it tried to play it then it gave this error msg

"Windows Media Player cannot play the file.  The player might not support the file type or might not support the codec that was used to compress the file."

☠ MASQ ☠Commented:
That seems to be a Windows Media Player error not a GSpot one - can you post a screenshot of the GSpot output?
hadhazi1Author Commented:
Hi

Here you go

I loaded the file and then went to the FILE menu and pressed PLAY

See attached screenshot Test Picture
☠ MASQ ☠Commented:
OK so it's not in an AVI container.  Does it play OK on the machine that you copied it from outside of the security cam software?
Next let's try MediaInfo - it works much the same way as GSpot but has some other codecs it can spot.
http://mediainfo.sourceforge.net/en/Support/Formats



It's looking as though this is a proprietary format that won't convert though so you might have to capture it as a screen scrape using something like CamStudio or Camtasia
Which means converting each file realtime separately :(
MereteCommented:
Hi, dont use WMP for avi, I'd suggest you try and play them in VLC since it's open source and free plays just about anything
after you renamed them that is
If that works you can either leave them as or just use VLC
VLC can capture / convert very handy tool
http://www.videohelp.com/tools/VLC_media_player

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