[mythtv-users] HDTV and Myth Chan Scan

[Kevin Kuphal]

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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>
>
> 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