[mythtv-users] HDHR Prime - Comcast: channel change error

[Robert Kulagowski]

On Wed, Dec 14, 2011 at 11:05 AM, Gary Buhrmaster
<gary.buhrmaster at gmail.com> wrote:
> On Wed, Dec 14, 2011 at 08:32, Brad Fuller <bradallenfuller at gmail.com> wrote:
> ....
>> I wouldn't think that I'd have to change anything if virtual channels
>> are working, would I?
>
> For the Prime (and any CableCard tuner) the virtual tuned
> channel is converted "automagically" to the real physical
> channel frequency/program id to receive the program
> based on the mapping sent from the headend
>
> So, no, you should not have to change anything as long
> as your CableCard is getting the updates from the headend
> correctly(*).
>
> You might want to use the command line utilities to
> change the vchannel to 17 (or 717), and examine the
> status (and vstatus) from the Prime to insure that it is
> tuning to the correct channel.  From memory (which
> means likely wrong, check the actual docs), that
> would be something like:
>   hdhomerun_config <device> set /tuner0/vchannel 17
>   hdhomerun_config <device> get /tuner0/vstatus
>   hdhomerun_config <device> get /tuner0/status
>   hdhomerun_config <device> get /tuner0/program
>   hdhomerun_config <device> get /tuner0/streaminfo
> and the status/program info should match the frequency
> and program that your clear QAM tuners use for KCSM.
> If not, your CableCard mapping is wrong.

You can also use the program that I wrote, detailed here:

http://www.gossamer-threads.com/lists/mythtv/dev/496993

if you want an automated way to get everything.