Keying Mac for CG using Datavideo SE-800

[Anonymous]

Is there a way to key a Mac over the output of the Datavideo SE-800? I was wondering if you could take the FireWire 800 signal out of the switcher, into a Mac then through something like BoinxTV software to key CG/graphics on the Mac and combine that out of the Mac to air/record. Is that possible? What type(s) of interface coming out of the Mac would be able to transport the combined signal?

[Author]

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