[mythtv-users] DVB channel confusion

[Dave]

On 5/25/05, Andrew Gallatin <gallatin at cs.duke.edu> wrote:
> 
> At least for US users, channel numbering for DVB boards is pretty
> confusing.  I was hoping for some info on what the current
> "best practice" is for setting up DVB channels.
> 
> When you do a channel scan, mythtv picks up a channel number from the
> DVB broadcast.  For example, in my area, fox HDTV is "501".  However,
> the datadirect number for fox is "50_1".
> 
> What I did when I set my box up 3 months ago was to first do a channel
> scan, and then run mythfilldatabse.  This resulted in duplicate
> entries for every channel.  One with data-direct, and one with DVB
> numbering.  I then went into mysql and manually copied the xmltvid from
> the "datadirect" channel to the "dvb" channel, and deleted the
> datadirect channels.    I also deleted channels picked up in the
> scan with marginal reception, since tuning to a marginal DVD channel
> is a landmine.
> 
> This setup seemed to work well for quite a while, and I was very
> happy.  But, after a while, my channel information started to get
> corrupt.  I'd see channels with garbage names in the program guide.
> Finally, my recordings were done on the wrong channel.  I'd setup a
> recording on channel "X", and then it would actually record channel "y"
> 
> So, I just wiped my channel/tuner information and re-scanned and
> re-filled the database last weekend.  Now my recordings seem to be
> working again.
> 
> However, is there anything I should do differently to keep the
> creeping-crud from coming back into my database?  I assume these
> bogus channels were somehow confusing myth, and bumping its own
> channel numbers around (meaning the channel numbers that appear
> in the .nuv filenames).
> 
> Thanks,
> 
> Drew
> 
> 
> 
> 
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> 
> 
> 

Hmmm, interesting problem.
I setup myth with dvb channels a few weeks ago using the exact method
you described.
Haven't seen any corruption yet, but it hasn't been very long....

Dave