Not going to work. According to Anystream, the requirements are
System Configuration
Windows Server 2003 with Service Pack 1, Windows XP
Recommended:
Dual Intel® Pentium® III, Dual Intel® Pentium® III Xeon?,
Dual Intel® Pentium® 4, Dual Intel® Pentium® 4 Xeon?,
933 MHz or higher with 512 MB RAM
100 Mbps Ethernet or 1 Gbps Copper/Fiber interface
Disk drives capable of supporting 80 Mbps sustained write speed
So unless you can convince them to write a version for Mac, you're out of luck.
Compressor does do lots of what this seems to do, though.