EE Times carries this announcement of a new PC video encoder chip from WIS Technologies. The chip is designed to do the heavy lifting that is real trouble for a host CPU, by taking care of things like DCTs and motion estimation. It relies on that same host CPU to do format conversion and other more mundane tasks. The chip currently supports video formats that include DiVX, H.261, H.263, MPEG-2, and more

http://www.eet.com/semi/news/OEG20020626S0029