[mythtv-users] Multiplex IDs?

Douglas Peale Douglas_Peale at comcast.net
Sun Sep 19 03:07:24 UTC 2010


On 09/18/2010 07:41 PM, Bob Sully wrote:
> 
> Bob Sully wrote:

> 
> Based on Ken's tip, I used this:
> 
> http://www.silicondust.com/hdhomerun/lineup_web/US:93xxx#lineup_yyyyyyy
> 
> and also
> 
> http://www.mythtv.org/wiki/Adding_Digital_Cable_Channels_%28For_ATSC/QAM_Tuner_Cards_--_USA/Canada%29_Rev_1
> 
> to scan and then look at available clear QAM-256 channels.
> 
> A whole bunch of channels have been moved around, now on different
> frequencies (and multiplexes).  I've changed the frequency IDs in the
> channel table, and the service IDs are correct, but I still can't get a
> lock.  I assume that the multiplex IDs have changed.  How do I figure out
> the multiplex IDs from the data I have?
> 
> I have the scan.log and scan.conf files from the results of the second
> page, but they don't really clue me in:
> 
> scan.log:
> [00ac]:171000000:QAM_256:2112:2113:172
> [00a5]:171000000:QAM_256:2176:2177:165
> [00ab]:171000000:QAM_256:0:2241:171
> [00a2]:171000000:QAM_256:2304:2305:162
> [00a1]:171000000:QAM_256:2368:2369:161
> [00a3]:171000000:QAM_256:2432:2433:163
> [00a6]:171000000:QAM_256:0:2625:166
> [00a7]:171000000:QAM_256:0:2689:167
> [00a4]:171000000:QAM_256:2560:2561:164
> <snip>
> 
> scan.conf:
> C022-172:171000000:QAM_256:2112:2113:172
> C022-165:171000000:QAM_256:2176:2177:165
> C022-171:171000000:QAM_256:0:2241:171
> C022-162:171000000:QAM_256:2304:2305:162
> C022-161:171000000:QAM_256:2368:2369:161
> C022-163:171000000:QAM_256:2432:2433:163
> C022-166:171000000:QAM_256:0:2625:166
> C022-167:171000000:QAM_256:0:2689:167
> C022-164:171000000:QAM_256:2560:2561:164
> C022-168:171000000:QAM_256:0:2497:168
> C022-170:171000000:QAM_256:0:1985:170
> C022-169:171000000:QAM_256:0:2049:169
> 
> I know that SOME of the multiplex IDs haven't changed, because many of the
> channels are still viewable; however, about half of the clear QAM channels
> have changed their freqIDs.
> 
> Once I have the correct multiplex IDs for the changed channels I can
> manually tweak them in the database (using webmin), I hope, and be all
> good...?  Channel table?  Multiplex tables?   Aaaargh!
> 
> 

At this point, the easiest thing to do would be to rescan your channels. If there aren't too many, you could just rescan the
frequency IDs that changed.


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