I am looking for SystemC IP cores for some video/SoC applications
(like MPEG4, mp3 decoder, etc.).

 Is it possible to get such SystemC cores for free from somewhere?

thanks

-srini

I'd look on either systemc.org or opencores.org  - systemc is only
really starting, and if you get one done, maybe drop it up there too.  
Opencores is a group that's been around a while, and some of the other
people may have knowledge of this stuff.

Andrew