[mythtv-users] Support for WinTV-DCR-2650?

[Robert McNamara]

On Thu, Jul 21, 2011 at 7:56 PM, James <virtue at rocketmonkeys.com> wrote:
> On Thu, Jul 21, 2011 at 2:54 PM, Robert McNamara
> <robert.mcnamara at gmail.com> wrote:
>> The DCR-2650 appears as a USB attached network device and will work
>> with the libhdhomerun/HDHomeRun tuner type included in MythTV.  No
>> further driver work is necessary.
>
> Thanks for the answer!  I'm curious about the techie details - does
> this appear like a NIC to the PC?  So using this is more like using a
> modem than a normal TV tuner chip?  I also imagine this means there
> are (more or less) standard commands, like the old modem "AT"
> commands.  Is that (basically, vaguely) right?

As I understand it, yes, it appears as a network device to the PC.
The same is true of the PCIe Ceton CableCard tuner.

> Does this actually use ethernet/ip layers like a normal network card
> would?  It's funny that the manufacturer's are going this route -
> maybe it has something to do with the cablecard certification?  (ie.
> not exposing too much of the inner workings in software, so the
> drivers have to be very thin).

Yes, it uses regular TCP/IP.  From the perspective of MythTV, at
least, there will be no difference between this and the HDHomeRun
prime aside from number of tuners.

Robert