irk writes: > From: "Andrew de Quincey" <adq_dvb@xxxxxxxxxxxxx> > > >> I wonder if it would be possible to simple have some form of > >> retransmission > >> at the application level... I'll have a look at en50221. > > Hmm, I've had a look. Unfortunately, even though the CAM control protocol > > is > > massively overdesigned for what is needed, it doesn't seem to provide any > > support for error detection or retransmission of corrupt messages!! :( > > > So again the question posed before: How the set-top folks do this that there > are no > visible problems? I had similar problems with a Nokia receiver and Irdeto CAMs a few years ago. One worked fine and the other had artifacts like you described. So, the "set-top folks" don't always manage it to work with all CAMs either. Ralph
