[mythtv-users] HDTV and Myth Chan Scan

[Michael Haan]

On 2/17/06, Kevin Kuphal <kuphal at dls.net> wrote:
>
> Michael Haan wrote:
> > On 2/17/06, *R. G. Newbury* <newbury at mandamus.org
> > <mailto:newbury at mandamus.org>> wrote:
> >
> >     Michael Haan wrote:
> >     > Ok, so starting mythbackend gives me:
> >     >
> >     > 2006-02-16 20:33:30.363 Connected to database 'mythconverg' at
> host:
> >     > localhost
> >     > 2006-02-16 20:33:30.529 DVB#0 Using DVB card 0, with frontend
> 'Oren
> >     > OR51132 VSB/QAM Frontend'.
> >     > 2006-02-16 20:33:30.530 DVB#0 ERROR - Could not find dvb tuning
> >     > parameters for mplex 32767
> >     > 2006-02-16 20:33:30.531 DVB#0 ERROR - Failed to get channel
> options
> >     > for channel 213.
> >     > 2006-02-16 20:33:30.533 New DB scheduler connection
> >     >
> >     > Not suprisingly:
> >     >
> >     > mysql> select * from dtv_multiplex;
> >     >
> >
> +---------+----------+-------------+-----------+-----------+-----------+------------+------+----------+------------+-----------+--------------+-------------------+----------------+---------+---------------+-----------+--------------+------------+----------------+---------------------+
> >
> >     >
> >     > | mplexid | sourceid | transportid | networkid | frequency |
> >     inversion
> >     > | symbolrate | fec  | polarity | modulation | bandwidth |
> >     lp_code_rate
> >     > | transmission_mode | guard_interval | visible | constellation |
> >     > hierarchy | hp_code_rate | sistandard | serviceversion |
> >     > updatetimestamp     |
> >     >
> >
> +---------+----------+-------------+-----------+-----------+-----------+------------+------+----------+------------+-----------+--------------+-------------------+----------------+---------+---------------+-----------+--------------+------------+----------------+---------------------+
> >
> >     >
> >     > |       1 |        2 |           0 |         1 | 627000000 | NULL
> >     > |       NULL | NULL | NULL     | qam_256    | NULL      | NULL
> >     > | NULL              | NULL           |       0 | NULL          |
> >     > NULL      | NULL         | atsc       |             33 |
> 2006-02-16
> >     > 19:27:07 |
> >     > |       2 |        2 |          46 |         1 | 651000000 | NULL
> >     > |       NULL | NULL | NULL     | qam_256    | NULL      | NULL
> >     > | NULL              | NULL           |       0 | NULL          |
> >     > NULL      | NULL         | atsc       |             33 |
> 2006-02-16
> >     > 19:27:13 |
> >     > |       3 |        2 |          62 |         1 | 687000000 | NULL
> >     > |       NULL | NULL | NULL     | qam_256    | NULL      | NULL
> >     > | NULL              | NULL           |       0 | NULL          |
> >     > NULL      | NULL         | atsc       |             33 |
> 2006-02-16
> >     > 19:27:19 |
> >     > |       4 |        2 |          56 |         1 | 717000000 | NULL
> >     > |       NULL | NULL | NULL     | qam_256    | NULL      | NULL
> >     > | NULL              | NULL           |       0 | NULL          |
> >     > NULL      | NULL         | atsc       |             33 |
> 2006-02-16
> >     > 19:27:23 |
> >     >
> >
> +---------+----------+-------------+-----------+-----------+-----------+------------+------+----------+------------+-----------+--------------+-------------------+----------------+---------+---------------+-----------+--------------+------------+----------------+---------------------+
> >
> >     >
> >     > 4 rows in set (0.00 sec)
> >     >
> >     > there is no mlpexid = 32767.  Why is that, and what is the
> >     recommended
> >     > fix - just update tables or.... something less manual?
> >     Take a look at the channel table. There must be an mplexid entry for
> >     channel 213 (as well as a serviceid). You will need to do:
> >
> >     update channnel set mplexid = 'x', serviceid='y' where
> channum='213';
> >
> >
> >     Geoff
> >
> >     --
> >            R. Geoffrey Newbury
> >          Barrister and Solicitor
> >     Suite 106, 150 Lakeshore Road West
> >         Mississauga, Ontario, L5H 3R2
> >
> >       905-271-9600  Fax 905-271-1638
> >            newbury at mandamus.org <mailto:newbury at mandamus.org>
> >
> >     _______________________________________________
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> >     mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
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> >     <http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users>
> >
> >
> > Yeah, I'm just curious why the scan didn't do that.  From the table
> > above, how do I know which mplexid to set?  And where do I find the
> > service ids?
> Have you read this?
>
>
> http://www.mythtv.org/wiki/index.php/Adding_QAM_Channels_For_HDTV_Tuner_Cards
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>

I have not read that specific document, but I have gone through this process
twice before and can certainly go through it again (I've saved-off my
previous channels.conf and mythconverg db).  But I was intrigued by the
possibility of having myth perform this configuration for me, especially as
it seems to have found more channels than I did.  If the answer is that the
myth scan doesn't do everything for you, then ok.  But if it's supposed to,
and didn't, then I'm trying to figure out why.
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