[mythtv-users] report QAM changes? (Comcast Digital Switchover)

Peter Watkins peterw at tux.org
Tue Jan 25 16:00:20 UTC 2011


On Mon, Jan 24, 2011 at 08:53:02PM -0500, Tom Bongiorno wrote:

> The HDHomeRun is an unencrypted clear-QAM tuner and will always get
> you the major networks in HD.  The only problem is that Comcast could
> change the channel frequencies from time to time and force you to
> rescan.

Does anyone have a tool to check for that?

I'd want code like:

- ensure nothing is scheduled for the HDHomeRun for the next N minutes
- have the HDHomeRun scan (using hdhomerun_config?)
- examine the database to see what QAM MythTV expects from that tuner
- if any of the tuning info has changed
  - update the database 
  - if a channel that's "visible" has changed
    - send an email alert

Set this to run daily at some time when nobody is likely to
be awake and wanting to watch Live TV.

If what's in the database doesn't quite match what the scan
finds, then this script would need to keep its own map of
database<->scan info. The first time it runs, it would only
build that table. Subsequent runs would reference it.

-Peter



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