[mythtvnz] Tuning mythtv in Dunedin
Brendan Dacre
bjdacre at gmail.com
Tue Mar 9 09:01:38 GMT 2010
Stephen,
Thanks very much, this is just what I needed. I inserted many of the other
channels from your channel table directly into my channel table and ran
setup (but maybe mythfilldatabase might have done it) and Robert's your
uncle, I can play the channels...
Now my channel table looks this;
+--------+---------+--------+----------+------------------+------------------+--------------------------+---------+-----------+
| chanid | channum | freqid | sourceid | callsign | name
| xmltvid | mplexid | serviceid |
+--------+---------+--------+----------+------------------+------------------+--------------------------+---------+-----------+
| 1001 | 1 | 43 | 1 | TV ONE | TV ONE
| | 1 | 1200 |
| 1002 | 2 | 43 | 1 | TV2 | TV2
| | 1 | 1201 |
| 1003 | 3 | 45 | 1 | TV3 | TV3
| | 4 | 1300 |
| 1004 | 4 | 45 | 1 | C4 | C4
| c4.freeviewnz.tv | 4 | 1301 |
| 1005 | 5 | 53 | 1 | Maori Television | Maori Television
| maori-tv.freeviewnz.tv | 5 | 1400 |
| 1006 | 6 | 43 | 1 | TVNZ 6 | TVNZ 6
| tvnz6.freeviewnz.tv | 1 | 1202 |
| 1007 | 7 | 43 | 1 | TVNZ 7 | TVNZ 7
| tvnz7.freeviewnz.tv | 1 | 1203 |
| 1008 | 8 | 45 | 1 | TV3 PLUS1 | TV3 PLUS1
| tv3-plus1.freeviewnz.tv | 4 | 1302 |
| 1010 | 10 | 53 | 1 | PRIME | PRIME
| prime.freeviewnz.tv | 5 | 1404 |
| 1022 | 22 | 53 | 1 | Parliament TV | Parliament TV
| parliament.freeviewnz.tv | 5 | 1401 |
| 1028 | 28 | 53 | 1 | ChineseTV | ChineseTV
| ctv8.freeviewnz.tv | 5 | 1403 |
| 1100 | 100 | 53 | 1 | Freeview | HD | Freeview | HD
| | 5 | 1406 |
+--------+---------+--------+----------+------------------+------------------+--------------------------+---------+-----------+
Of course, I get no channel information, unlike the auto-tuned channels, and
I still don't know why scanning failed.
There are other problems, but I should probably start new threads for them
after I have had a go at working them out myself...
Thanks again.
Brendan
On 9 March 2010 15:47, Stephen Worthington <stephen_agent at jsw.gen.nz> wrote:
> On Tue, 9 Mar 2010 15:11:54 +1300, you wrote:
>
> >Stephen,
> >
> >Hmmm... This is the result of the query;
> >
> >+---------+----------+-------------+-----------+-----------+
> >| mplexid | sourceid | transportid | networkid | frequency |
> >+---------+----------+-------------+-----------+-----------+
> >| 1 | 1 | 28 | 8746 | 650000000 |
> >| 5 | 1 | 33 | 8746 | 730000000 |
> >| 4 | 1 | 29 | 8746 | 666000000 |
> >+---------+----------+-------------+-----------+-----------+
> >
> >It seems I have all 3.
> >
> >Actually I have been hacking in the interim and have created a
> nz-MtCargill
> >file in /usr/share/dvb/dvb-t/ from the Waiatarua one (which was the only
> NZ
> >file there) using values I found on the net. Since then I have got
> channel
> >100, the HD demo channel.
> >
> >When I do a channel scan, I get 3 distinct groups of channel locks; one
> at
> >ch 43 (4 probable channels but only TV1 and TV2 appear), one at ch 45 (3
> >probable channels but only TV3 appears) and one at ch 53 (11 probable
> >channels but only the HD demo channel appears).
> >
> >I also adjusted the timeouts for playback channel locking in the card
> setup
> >section (doubled from 1 sec to 2) and the tuning lock (increased from 2
> secs
> >to 5 secs). This improved the reliability of at least the channel
> >scanning...
> >
> >Apparently, some people have a channels.txt file which I have failed to
> find
> >on my system. I have seen examples, but none that I would guess would
> work
> >in Dunedin, even if I knew where to put it or how to import it...
> >
> >Thanks for your help so far.
> >
> >Brendan
>
> OK, that looks valid. I am guessing that you have tried tuning more
> than once, which might be why the mplexid values are not 1, 2 and 3.
> Your mplexid values seem to be:
> 1 = TVNZ multiplex
> 4 = CanWest multiplex
> 5 = Kordia multiplex
>
> Here is an SQL query to see what your channel table looks like:
>
> select
> chanid,channum,freqid,sourceid,callsign,name,xmltvid,mplexid,serviceid
> from channel order by chanid;
>
> (Again, all one line). Here is the result of that query on my channel
> table, except I have deleted all my Sky channels to just leave the
> DVB-T ones:
>
>
> +--------+---------+--------+----------+-------------------+-----------------------+---------------------------------+---------+-----------+
> | chanid | channum | freqid | sourceid | callsign | name
> | xmltvid | mplexid | serviceid |
>
> +--------+---------+--------+----------+-------------------+-----------------------+---------------------------------+---------+-----------+
> | 1001 | 1 | 48 | 1 | TV ONE | TV ONE
> | tv1.freeviewnz.tv | 1 | 1200 |
> | 1002 | 2 | 48 | 1 | TV2 | TV2
> | tv2.freeviewnz.tv | 1 | 1201 |
> | 1003 | 3 | 50 | 1 | TV3 | TV3
> | tv3.freeviewnz.tv | 2 | 1300 |
> | 1004 | 4 | 50 | 1 | C4 | C4
> | c4.freeviewnz.tv | 2 | 1301 |
> | 1005 | 5 | 59 | 1 | Maori Television | Maori
> Television | maori-tv.freeviewnz.tv | 3 | 1400 |
> | 1006 | 6 | 48 | 1 | TVNZ 6 | TVNZ 6
> | tvnz6.freeviewnz.tv | 1 | 1202 |
> | 1007 | 7 | 48 | 1 | TVNZ 7 | TVNZ 7
> | tvnz7.freeviewnz.tv | 1 | 1203 |
> | 1008 | 8 | 50 | 1 | TV3 PLUS1 | TV3 PLUS1
> | tv3-plus1.freeviewnz.tv | 2 | 1302 |
> | 1010 | 10 | 59 | 1 | PRIME | PRIME
> | prime.freeviewnz.tv | 3 | 1404 |
> | 1022 | 22 | 59 | 1 | Parliament TV | Parliament TV
> | parliament.freeviewnz.tv | 3 | 1401 |
> | 1028 | 28 | 59 | 1 | ChineseTV | ChineseTV
> | ctv8.freeviewnz.tv | 3 | 1403 |
> | 1050 | 50 | 59 | 1 | Radio NZ National | Radio NZ
> National | rnz-national.freeviewnz.tv | 3 | 2000 |
> | 1051 | 51 | 59 | 1 | Radio NZ Concert | Radio NZ
> Concert | rnz-concert.freeviewnz.tv | 3 | 2001 |
> | 1071 | 71 | 59 | 1 | BaseFM | BaseFM
> | base-fm.freeviewnz.tv | 3 | 2002 |
> | 1100 | 100 | 59 | 1 | Freeview | HD | Freeview | HD
> | | 3 | 1406 |
> | 1242 | 242 | 59 | 1 | Test Channel | Test Channel
> | | 3 | 1402 |
> | 1245 | 245 | 59 | 1 | Reserved 6KSD | Reserved 6KSD
> | | 3 | 1405 |
> | 1700 | 700 | 48 | 1 | Zinwell SSU | Zinwell SSU
> | | 1 | 1250 |
>
> In this table, the mplexid tells MythTV which of the multiplexes in
> the dvb_multiplex table to use. The serviceid tells it which of the
> data streams on that multiplex is the channel that is wanted. The
> freqid is the channel number of the multiplex. Frequencies and
> channel numbers are directly convertible one to the other, so the
> freqid value should match the frequency value in the corresponding
> dvb_multiplex table row. The channum is the channel number that you
> use on your remote to select that channel. The chanid is an internal
> identifier used to look up tables in the database. It is also what
> appears on the front of the filenames for each recording. I manually
> adjusted my channel table to make sure that the chanid and channum
> values matched - I have them as 1000 + chanid for the DVB-T channels
> and 2000 + chanid for the Sky channels.
>
> You might like to take a look at this thread in our archives:
>
> http://www.gossamer-threads.com/lists/mythtv/mythtvnz/417104#417104
>
> to see a bit more about how everything works.
>
> Once you post your channel table data, it should be possible for me to
> make a script similar to the channum.sh one in that thread to create a
> valid DVB-T only channel table for you.
>
> It would be nice to know what is going wrong with your tuning process
> though. It should have found all the channels on the multiplexes.
> Once it has a multiplex tuned, there is no reason I can see for it to
> only find a few of the channels on that multiplex.
>
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