What type of compression do wmv files use?

Caporegime
Joined
12 Mar 2004
Posts
29,948
Location
England
Is it a normal codec like mpeg4, or microsofts own custom one?

Also I was just thinking about drm protection, If I created a wmv drm protected file, couldnt someone just make a copy of it, by running the video through tv out to a standalone dvd-recorder or tv card in their pc or using a program to record whats on screen?
 
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