[mythtv-users] Problem with tuning DVB-T

[Malcolm Smith]

Hi Simon,

thanks for that... nope not the adaptors, just checked it. Also the only 
change I made was to do
cvs update && make && make install

Will try another cvs update

-malc-

Simon at the Threshold wrote:

> Hi Malcom,
>
> Could this be a privledges/permissions problem with the /dev/dvb 
> adaptors for the user your running as.
>
> As a confidence check as the user your using run
>
>     ./dvbstream -c 1 -ps 640 641 -o | mplayer -nocache -
>
> If this works then the problem is with mythtv if it doesn't then 
> perhaps your config/install isn't right.
>
> Other than that a lot of DVB fixes went in last night so I dare say 
> its a little bleeding edge... <WInce>
>
> Simon
>
> Malcolm Smith wrote:
>
>> The setup worked with CVS from about 24 Dec. I recently updated the 
>> CVS and recompiled (last night 5pm UK time). Now the DVB won't tune.
>>
>> It also completely crashes mythbackend... surely the behaviour for 
>> the driver should be to terminate gracefully to allow other 
>> recordings to proceed?
>>
>> Anybody any ideas?
>>
>> -malc-
>>
>> 2004-01-22 09:23:44 Started recording "Class TV: Numbertime" on 
>> channel: 1015 on
>> cardid: 1, sourceid 1
>> 2004-01-22 09:23:44 DVB#0 WARNING - Unsupported inversion option 
>> 'auto', falling
>> back to 'off'
>> 2004-01-22 09:23:44 DVB#0 WARNING - Unsupported bandwidth parameter.
>> 2004-01-22 09:23:44 DVB#0 ERROR - Setting Frontend failed.
>>          (22) Invalid argument
>> 2004-01-22 09:23:44 DVB#0 ERROR - Tuning for channel #6 failed.
>> 2004-01-22 09:23:44 Changing from None to RecordingOnly
>> 2004-01-22 09:23:45 DVB#0 Recorder: Card opened successfully.
>> 2004-01-22 09:23:45 DVB#0 ERROR - Failed to set filter for pid 0.
>>          (16) Device or resource busy
>>
>> - Myth crashes at this point.
>>
>>
>> mysql> select * from dvb_channel where chanid=1015;
>> +--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+ 
>>
>> | chanid | serviceid | networkid | providerid | transportid | 
>> frequency | inversion | symbolrate | fec  | polarity | satid | 
>> modulation | bandwidth | hp_code_rate | lp_code_rate | 
>> transmission_mode | guard_interval | hierarchy | fec_inner | 
>> pids_video | pids_audio | pids_teletext | pids_subtitles | pids_pcr | 
>> pids_other | cryptid | pmtcache |
>> +--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+ 
>>
>> |   1015 |      NULL |      NULL |       NULL |        NULL | 
>> 842166670 | 0         |    6900000 | 2/3  | V        |  NULL | 
>> qam_64     | 8         | 2/3          | 1/2          | 
>> 2                 | 1/32           | n         | auto      | 
>> 620        | 621        | 4671          | NULL           | NULL     | 
>> NULL       |    NULL | NULL     |
>> +--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+ 
>>
>> 1 row in set (0.00 sec)
>>
>> mysql> select * from dvb_pids where chanid=1015;
>> +--------+-----+------+------+
>> | chanid | pid | type | lang |
>> +--------+-----+------+------+
>> |   1015 | 620 | v    |      |
>> |   1015 | 621 | a    |      |
>> +--------+-----+------+------+
>> 2 rows in set (0.00 sec)
>>
>>
>>
>>
>> Line from Channels.conf
>>
>> CBBC 
>> Channel:754166670:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRAN 
>>
>> SMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:620:621:4671
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>>
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>
>
>
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