[mythtv-users] USB dvb-s(2) devices and multirec

Herman Gerritsen lfsmailing at gmail.com
Fri Jul 30 05:34:33 UTC 2010


> If a DVB tuner can pass the received transport stream to a consuming
> application, multirec can be used. If the DVB tuner PID-filters the
> stream to pass only a single program, multirec cannot be used as the
> application will only see a single program stream.
>
> PCI tuners have sufficient bandwidth to pass the whole transport
> stream, whereas early USB 1.1 tuners did not and PID-filtered the
> transport stream. USB 2.0 (and later) DVB tuners have sufficient
> bandwidth to pass the whole stream - whether they do or not is down to
> how each device was designed and implemented. All of the PCI DVB-T/S
> tuners I've tried at home (admittedly a small sample) have supported
> multirec. I don't have any DVB-S2 to test.

Reading you reasoning above it seems logical that most (or even all)
usb2.0 dvb tuners should work with multirec since they are
(so called) budget systems (I think).



More information about the mythtv-users mailing list