easy
I have just connected my saorview box via the DVD player and all it took was an additional scart lead. Neither the TV not the DVD player are particularly new - both are around 10 years old. The daisy-chaining goes as follows: antenna cable into saorview box, scart lead from saoirview box to DVD player, then another scart from DVD to TV. Both TV and DVDs work fine (I don't do any recording, mind you). My DVD player has two scart sockets (IN and OUT presumably). If it didn't, I would have to get a scart splitter - in fact at every shop I asked about this they told me I would need a splitter, but it turned out I didn't.
I also rang the saorview helpline, which was totally useless. All they could say was "uuuuhh...don't know....we can't help you/don't deal with any questions relating to your equipment."