[mythtv-users] 4-digit channel change on a Comcast firewire STB (DCT-6200)

[lists.md301]

On Tue, Dec 27, 2011 at 12:13 PM, lists.md301 <lists.md301 at gmail.com> wrote:

> Since I only recently noticed that my local Comcast system added BBC
> America HD, I recently updated my myth system (0.23-fixes) to record this
> year's Doctor Who Christmas special on the 25th.  Comcast has chosen to add
> some of these new channels above 1000, so for me BBCAHD is 1225.  For
> whatever reason, I never tested things after updating my SchedulesDirect
> lineup, so I was surprised to see, when I checked, it was recording TLC
> (channel 225).  I wasn't terribly surprised to see that my version of myth
> doesn't handle 4 digit channel numbers correctly.  Nothing obviously broken
> from the backend log, just appears to be the communication to the STB.
>
> Now I remember reading something about 4-digit channel changes a while
> back, and I searched the gossamer list archive as well as a could (and also
> the trouble tickets), but I couldn't find anything definitive about this.
> I saw that there was a ticket about a Verizon QIP-6200, where part of the
> solution was using the external channel change route (which was modified to
> accomodate 4 digits).  I'm curious about the state of the art for what's
> current (24-fixes), as I'm in the process of upgrading so I can start using
> my HDHR-Prime.  This will make the STB channel mostly a non-issue, but I
> may still leave it hooked up for some live-tv sitautions, since it's
> co-located with the master front/backend.  (I'm assuming the communication
> to the Prime handles 4-digit channels, but haven't yet had chance to test
> that.)
>
> Are 4-digit channels no longer a problem, or should I look to patch my
> setup after I upgrade to 0.24?
>

Don't normally like to bump my own messages, and my procrastination on
follow-up has made it obviously too late for 0.25, but has anyone dealt
with the issue of 4-digit channel changes for HD HomeRun Prime tuning?  I
have upgraded to 0.24.2 since my last message, but it still doesn't work
for me.

Searching the mailing list archive, I've only found a couple of mentions
about it, but all related to Firewire channel changing:

http://www.gossamer-threads.com/lists/mythtv/dev/460218

I've perused the commit listings and tickets, but haven't seen anything
specific to Prime tuning.  I know the number of Prime users is small, but I
have a hard time believing there isn't at least one of other HDHR
Prime+Comcast customer who has 4-digit channels.  (Note that as far as I
know, I do not yet have SDV, so no tuning resolver is involved.)  It's
simply a matter of only the last 3 digits getting sent to the Prime, so I
end up (in the case of BBC America HD), on channel 225 instead of 1225.
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