[mythtv-users] hours to edit channels?

Fa fayoeu at gmail.com
Sun Jul 10 07:19:53 UTC 2011

I think I got a sequence that seems to work fast.

Here it is:
0. In the mythtvsetup channel editor, clear your channels this reduces your
work in case duplicates are detected.
1. Scan for your channels.  I scanned for qam64,qam256,vsb8.  However, most
of the channels I care about came in on qam256.  I am using comcast cable.
2.  Here is where I like the mythweb channel editor to use mass editing.
 First pass: If you are lucky and got the chanid,callsign filled out, you
can jump to the schedules direct xml tables to get the xmlid.  You can
quickly go quickly through most of the channels to fill out the XMLIDs.
 Have the mythweb channel editor and the schedules direct open on the same
screen makes it easy to tab/switch between the two for fast editing.
3.  2nd pass, some only have the channum filled out.  I used the
silicondust.com channel lineup to crossref the channel say qam256 to channel
61-5645, they had a stationid, use that to search your schedule direct
lineup to fill in all the other channels.
4.  Last pass would be to fill in the channels by viewing them in the
mythtvfrontend to see what is actually on.  Use 'E' to bring up the minimal
chan info editor and tag it so you can remember it next, then when you are
done, go back to the mythweb chan editor and fill in the xmlid there, so you
can batch edit.

On Mon, Apr 11, 2011 at 4:00 PM, Fa <fayoeu at gmail.com> wrote:

> I am going through this pain right now with my hdhomerun box.  I got some
> more channels and now I have to rescan.
> There are a few pain points:
> 1.  scanning isn't predictable.  I find some scans are missing channels
> that I need and had in a prior scan.
> 2.  Having to match the channel to the XMLTV is slow since it takes a few
> secs to tune, with over 80 channels, it will take a few hours.
> 3.  Why is the channel editor outside of the myth frontend?  I wish you
> could tune and change it right in the frontend guide.
> 4.  That delete button which deletes all channels on the channel editor
> page is just a nightmare, I clicked on it and had to restore my db and lost
> hours of work.
> I dread every time I need to rescan.
> On Mon, Feb 7, 2011 at 11:05 PM, Douglas Peale <Douglas_Peale at comcast.net>wrote:
>> On 02/07/2011 09:21 PM, Josh Rosenberg wrote:
>> > All,
>> >
>> > Thanks to Douglas Peale for helping me with my previous problem.  My
>> > HDHR was indeed trying to tune channels on old frequencies after my
>> > cable provider changed the frequencies for everything.
>> >
>> > Now things "work", but it seems like I'm doing something wrong still,
>> > and I was hoping someone could fill me in on what I'm missing.
>> > Whenever I have to rescan channels, it takes me 2 hours or more to get
>> > things back to normal.  After waiting out the scan process and adding
>> > in all the conflicting channels, I tend to undergo the following
>> > procedure:
>> >
>> > 1.  Tune to the next low-numbered channel (e.g. 3_1)
>> > 2.  Try to figure out which real channel it is based on network logos
>> > and the like, sometimes cheating by using a non-Myth cable box (e.g.
>> > WCAU, the local CBS station)
>> > 3.  Look up on schedules direct's website to see what the channel
>> > number is supposed to be (e.g. 232)
>> > 4.  Edit the channel to give it the number 232, a sensible callsign
>> > (e.g. "CBS/WCAU"), and a sensible name (e.g. "CBS 3").
>> > 5.  Go back to step 1 and repeat for all my channels
>> >
>> > This takes forever.  Sometimes it takes me days to properly identify
>> > some of the subtler channels.  And I have to do this over again every
>> > time I have to re-scan for channels.  I must be missing something,
>> > right?
>> >
>> > I tried the procedure at http://www.mythtv.org/wiki/Scte65scan , but I
>> > found it mostly unhelpful.  It found scrambled cable channels and SD
>> > versions of network channels -- exactly what I don't want.  I mainly
>> > watch HD versions of network channels, but also enjoy the few
>> > unscrambled cable channels I get.
>> >
>> > Please advise, and thanks in advance!
>> >
>> > Josh Rosenberg
>> Unless you can convince your cable company to publish a proper list of
>> channel mappings (unlikely), you are not missing
>> anything, that is what you will have to do.
>> Usually, my cable company only changes a couple of channels at a time, so
>> I only have to rescan the channels that changed. You
>> can use "HDHomeRun Config" to see if the channels have changed by
>> recording which channels are where and checking from time to
>> time. You may be able to automate this check as well, though on demand
>> channels will make grep difficult, and you won't know
>> where channels have moved to, only that they have moved.
>> Scte65scan can generate a list of callsigns to frequencyID to cable
>> company channel numbers, but it is only good for limited
>> basic SD channels, and includes a bunch of encrypted extended basic SD
>> channels. It does save some time trying to figure out
>> what the channels are.
>> Also SiliconDust.com has local channel mappings that may help, though they
>> are not always accurate.
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