[mythtv-users] Help getting KWorld/VStream XPert DVB-T to work

mike choy mike at acaciaclose.co.uk
Sat Dec 31 07:57:56 EST 2005


Joacim J wrote:
> On 12/30/05, mike choy <mike at acaciaclose.co.uk> wrote:
>   
>> Joacim J wrote:
>>     
>>> Hi,
>>>
>>> I hope you all had a very nice christmas.
>>>
>>> Have anybody a clue regarding my question below?
>>>
>>> Best Regards
>>> Joacim J
>>>
>>>
>>> On 12/27/05, Joacim J <jocke4news at gmail.com> wrote:
>>>
>>>       
>>>> Hi again,
>>>>
>>>> I never get udev to set the permissions correctly. Now I have the
>>>> following in /etc/rc.d/rc.local
>>>>
>>>> # START DVB-T card
>>>> /sbin/modprobe --remove cx88_blackbird
>>>> /sbin/modprobe cx88_dvb
>>>>
>>>> sleep 5
>>>> chmod o+rw /dev/dvb/adapter0/demux0
>>>> chmod o+rw /dev/dvb/adapter0/dvr0
>>>> chmod o+rw /dev/dvb/adapter0/net0
>>>> chmod o+rw /dev/dvb/adapter0/frontend0
>>>> ## END DVB-T
>>>>
>>>> It seems to work fine but I would have been more satisfied without that "hack".
>>>>
>>>> To the following issue... I have managed to scan the channels and
>>>> created a channels.config and have inserted the data in 'dvb_channel'
>>>> and 'dvb_pids' which I think is correct. I had to made it the hard way
>>>> since the mythtv scanning finds the channels but doesn't insert them
>>>> in the tables.
>>>>
>>>> When starting mythbackend I get this in the console:
>>>>
>>>> [root at HTPC ~]# mythbackend
>>>> 2005-12-27 23:21:37.524 New DB connection, total: 1
>>>> Starting up as the master server.
>>>> 2005-12-27 23:21:37.534 mythbackend: MythBackend started as master server
>>>> 2005-12-27 23:21:37.535 New DB connection, total: 2
>>>> 2005-12-27 23:21:37.538 DVB#0 DVB SI Table Parser Started
>>>> 2005-12-27 23:21:37.567 DVB#0 Using DVB card 0, with frontend Zarlink
>>>> MT352 DVB-T.
>>>> 2005-12-27 23:21:37.569 New DB connection, total: 3
>>>> 2005-12-27 23:21:37.570 DVB#0 ERROR - Could not find dvb tuning
>>>> parameters for transport 0
>>>> 2005-12-27 23:21:37.570 DVB#0 ERROR - Failed to get channel options
>>>> for channel 19.
>>>> 2005-12-27 23:21:37.575 New DB scheduler connection
>>>>
>>>> and when start "Watch TV" I get:
>>>>
>>>> 2005-12-27 23:22:30.982 Changing from None to WatchingLiveTV
>>>> 2005-12-27 23:22:31.023 DVB#0 Recorder: Card opened successfully
>>>> (using PS mode).
>>>> 2005-12-27 23:22:31.024 DVB#0 ERROR - No PIDS set, please correct your
>>>> channel setup.
>>>> 2005-12-27 23:22:32.043 DVB#0 WARNING - No data from card in 1 second.
>>>> 2005-12-27 23:22:33.047 DVB#0 WARNING - No data from card in 1 second.
>>>> 2005-12-27 23:22:34.051 DVB#0 WARNING - No data from card in 1 second.
>>>>
>>>> I have inserted the information as:
>>>> # SVT1:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:1019:1018:1010
>>>> INSERT INTO `dvb_channel` VALUES (19, 1010, NULL, NULL, NULL,
>>>> 626000000, 'a', NULL, '2/3', NULL, NULL, 'qam_64', '8', '1/2', '8',
>>>> '1/8', 'n', NULL);
>>>> INSERT INTO `dvb_pids`          VALUES (19, 1019, 'v', '');
>>>> INSERT INTO `dvb_pids`          VALUES (19, 1018, 'a', '');
>>>>
>>>> What can be wrong?
>>>>
>>>> PS. I can watch the channels using XINE and channel.conf. DS
>>>> --
>>>> Regards
>>>> Joacim
>>>>
>>>>
>>>>         
>>> --
>>> Regards
>>> Joacim
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>
>>>
>>>       
>> Joacim
>> what distro and kernel are you using, latest 2.6.13 kernels should have
>> full support for this card
>> I am using this under suse 10.0 and the system just picks it up.
>> Mythtv (0.18) just finds it and I can do a scan, but you need to put a
>> starting frequency into the the frequency table
>> the first time you scan.
>>
>> Mike C
>>     
>
> Hi,
> I am using Fedora Core 4 with kernel 2.6.14-1.1653_FC4 and MythTV
> 0.18.1.20050523-1. I have managed to get the card to work within Xine
> but not with MythTV as I said before. Maybe I have got the data in
> dvb_channels and dvb_pids wrong and would be greatful if somebody
> could take a quick look at the files below.
>
> Here is the output of scan:
> http://test.jarkeborn.se/channels.conf
>
> >From that file I created a SQL script that populates the tables
> 'dvb_channel' and 'dvb_pids'
> http://test.jarkeborn.se/populate_dvb_channel_and_dvb_pids.sql
>
> The export of the tables after population looks like:
> http://test.jarkeborn.se/dvb_channel.sql
> http://test.jarkeborn.se/dvb_pids.sql
>
> I would be very pleased if anyone could take a look at them. If I have
> made something strange I think it's quite easy for you experienced DVB
> people to see it.
>
> Have a Happy New Years Eve!!
> --
> Regards
> Joacim
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>   
Joacim
My point is that since mythtv 0.17 the DVB scanner has been integrated 
into the system
You dont need to manually load up channel data anymore.
Here is a good pictorial guide (you will need to adjust for DVB terrestrial)
http://www.digitalregime.com/mythdvb/setup/

Mike C





More information about the mythtv-users mailing list