[mythtv-users] PCTV nanoStick T2 290e dvb-scan

PJR pjrobinson at metronet.co.uk
Wed Sep 14 22:51:00 UTC 2011


Good to hear it worked out.  You can find the transport data and which
is your 'local' transmitter from here <http://www.ukfree.tv/>.  Just put
in your postcode and you'll get most of the info you need.


On 14/09/11 14:09, Robert Logan wrote:
> Excellent hint there. I checked the tables in mythconverg and voila! A 
> 'select frequency from dtv_multiplex' showed a frequency I wasnt trying 
> and the associated settings I used for CrystalPalace produced the result 
> I was looking for:
>
> So in uk-CrystaPalace, I added:
> T 554000000 8MHz 2/3 AUTO QAM256 AUTO 1/32 AUTO
>
> Now a './scan  -a2 dvb-t/uk-CrystalPalace' produces:
> initial transponder 554000000 0 2 9 5 2 0 4
>  >>> tune to: 
> 554000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_256:TRANSMISSION_MODE_AUTO:GUARD_INTERVAL_1_32:HIERARCHY_AUTO
> 0x0000 0x4440: pmt_pid 0x0064 BBC -- BBC HD (running)
> 0x0000 0x44c4: pmt_pid 0x00c8 ITV -- ITV1 HD (running)
> 0x0000 0x4500: pmt_pid 0x012c CHANNEL FOUR -- Channel 4 HD (running)
> 0x0000 0x4484: pmt_pid 0x19c8 BBC -- BBC One HD (running)
> Network Name 'London.'
>
> ...
> with the normal dvb channels as well.
>
> Many thanks for the thoughts.
>
>
> On 09/14/2011 09:22 AM, PJR wrote:
>> It could be that mythtv uses a different set of transports to that used
>> by scan.  I've not tried the 290e yet with my production mythtv system
>> (the driver won't build on ubuntu 8.10). To get scan to work with the
>> 290e on my other non-myth system (ubuntu 10.04) I had to modify the
>> transport tables for my local transmitter. Do you know which transmitter
>> you are using and hence it's transport values, especially for the HD
>> channels?  It could be that scan and myth use the transport tables
>> supplied in a slightly different way.  I've been told that the signal
>> from the transmitters includes data on the full set of transports it is
>> broadcasting on.  I understand myth uses this data to modify the
>> transports it uses (I've seen this happen), in which case myth could
>> find the T2 transports even though not in its original transport
>> tables.  However it could be that scan only uses the transport values
>> supplied and hence if these do not include the T2 channels these will
>> not be found.
>>
>>
>>
>>
>> On 13/09/11 19:20, Robert Logan wrote:
>>> I have just got one of these for my myth box and was wondering why I
>>> cannot do a dvb scan using the dvb-apps 'scan' tool to pick up the hidef
>>> channels.
>>>
>>> Inside MythTV it finds the card and detects the HD channels on a scan ..
>>> what is myth doing that 'scan' isnt?
>>>
>>> Anyone have any experience of this? I downloaded the latest dvb-apps to
>>> check all was ok.
>>>
>>> Nb. Im running a 3.1.0rc5 kernel, mythtv 0.24fixes, modules install fine
>>> and the card tunes with 'scan' to get the SD channels ok, just not the
>>> HD channels.
>>>
>>> (dmesg output for the module is also fine).
>>> _______________________________________________
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>>> mythtv-users at mythtv.org
>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>
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