Hi.
I am one of the unlucky HDTV cable users who can't get valid information
from a standard QAM-256 scan from mythtv-setup. I have managed to
manually hand edit the information using mysql and get all my cable HDTV
channels working well with 18.1 but since it's a big pain in the
knickers to do each time, I am anxious for a quicker method. The new
channels.conf import method appears to be the answer to my problems on
the surface, but so far I have not been able to get it to work the way
the various posts I could find on the subject seem to make it out to
be. Most likely I am being incredibly dense on some small factoid, but
perhaps somebody could point out what that might be.
Step 1: From what I can tell, the format of the channels.conf file
should be "name, frequency, modulation, atsc channel"
Step 2: Using the latest dvb-apps form linuxtv.org cvs I run
"/usr/local/bin/dvbscan -v -v -a1 -A2
/usr/local/share/dvb/scan/atsc/us-Cable-Standard-center-frequencies-QAM256
> ~/.azap/channels.conf"
This results in a file with lines of the form:
[0001]:711000000:QAM_256:17:20:1
which, in this case, corresponds to my local CBS station.
Step 3. I edit the above output to be:
KUTVDT:711000000:QAM_256:1
which should correspond to the format that everyone seems to be using in
step 1.
Step 4. Run mythtv-setup, select channels, select scan for channels,
select scan type, import channels.conf after which I see the loaded
channels of the form:
KUTVDT(1) DVB-C
where DVB-C is my zap2it program listings.
Now this is where I start to get a little fuzzy. Is there anything left
for me to other than run mythfilldatabase? Or do I need to now do a
full scan? If I do a full dvb scan, myth setup still detects no
channels. If I just simply run mythbackend, it still won't tune. But
this doesn't surprise me since I don't think I'm getting all the
information into mysql. If I do "select
chanid,channum,freqid,mplexid,serviceid from channel;" the output shows:
+--------+---------+--------+---------+-----------+
| chanid | channum | freqid | mplexid | serviceid |
+--------+---------+--------+---------+-----------+
| 1000 | 1 | NULL | 1 | 1 |
| 1001 | 11 | NULL | 1 | 11 |
| 1002 | 12 | NULL | 1 | 12 |
| 1003 | 13 | NULL | 1 | 13 |
etc, etc...
So obviously I'm missing something. Why doesn't the channels.conf
import add the freqid information? It's there in the channels.conf.
Also why is the channum set to the serviceid? Should I include another
field in channels.conf with the name I want the channel to be? Is there
an extended format for channels.conf that allows you to add addition
information? Or am I still just stuck manually adding this information
to mysql?
I appreciate any thoughts and help.
Thanks,
Brian Merrill
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