[mythtv-users] Need tuner trade-off information with Comcast service

[Michael Wisniewski]

About two weeks ago, I bit the bullet and bought a HDHR Prime box to use
with a cablecard on Comcast.  I was very leery about it because I would be
afraid it wouldn't work and I was stuck with the HDHR Prime box because of
some crazy encryption thing Comcast does.  Nobody I talked to at comcast
gave me a good feeling about it working well either, but I thought I would
take a chance.

I'm glad I did.  I am very happy with the HDHR box.  I know the Ceton has 3
more tuners than the HDHR one, and I want to say that Ceton works better on
Windows than Linux (don't know for sure though).  I run Mythbackend on
Ubuntu and then Kodi on an ION2 box for a frontend and it works great.
Granted, the Kodi EPG is hard to read and will be switching back to Myth's
front end soon....but it does work.

I would do a google search for the phone number to use to active the
cablecard.  Some people have horror stories, but when I called, the lady
asked if it was a Tivo or HDHomeRun Prime tuner.  Maybe I just got lucky...

Mike


On Thu, Mar 5, 2015 at 11:18 AM, Gary Buhrmaster <gary.buhrmaster at gmail.com>
wrote:

> On Thu, Mar 5, 2015 at 3:56 PM, John Moore (CompuCom Systems Inc)
> <v-johmo at microsoft.com> wrote:
> ....
> > My opinion, it was worth it.  Just besure to have a 1Gig switch.
>
> Depends on whether one gets the internal or external model.
>
> > It didn’t like 100M, even trying to use 1 tuner.  The moment I connected
> to 1gig
> > switch, a lot of my problems went away.
>
> Note that both the Ceton and the SiliconDust devices
> use UDP.  Packets of any type can get dropped if your
> network is "busy" (or "bursty"), but when a UDP packet
> from a video source gets dropped you may end up
> seeing "pixelation".  Some switches support QoS,
> but only the SiliconDust device sets a DSCP value,
> so for the Ceton, which does not(*), you want a switch
> that not only supports QoS, but setting QoS by port.
> That means more enterprise style equipment
> (sInce the SD product sets DSCP, the prosumer
> switches that simply support QoS (usually for VoIP)
> are probably adequate).
>
> Of course, if you use a dedicated point-to-point
> network (which also happens with the Ceton PCIe
> cards, it is a dedicated internal network) that problem
> (mostly) goes away, but many people use their
> shared/common network, and may experience video
> "glitches".
>
> Gary
>
> (*) I submitted an RFE to Ceton to request that
> they add DSCP, and maybe it will happen
> eventually (or, to be fair, maybe it already has in
> later firmware releases).  But as I do not actually
> own a Ceton network tuner (I have chosen
> SiliconDust as my vendor), I only know that
> problems could be seen under specific test
> conditions with network based OCUR devices
> without network QoS and heavy network traffic.
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