[mythtv] Has anyone tested channel scanning in a us-cable Clear QAM environment?

Klaas de Waal klaas.de.waal at gmail.com
Fri Feb 7 18:55:35 UTC 2020


On Fri, 7 Feb 2020 at 08:00, faginbagin <mythtv at hbuus.com> wrote:

> I ask because I can't get mythtv-setup to find any channels. I first
> tried a scan before running mythfilldatabase as mentioned in this email
> thread on mythtv-users:
> http://lists.mythtv.org/pipermail/mythtv-users/2020-January/402291.html
>
> I just tried another channel scan after running mythfilldatabase.
> mythfilldatabase added lots of channels and listings to the database,
> but the channel data looked incomplete. So I did a full channel scan,
> which said it was scanning for ATSC channels, not QAM, and found no
> channels. I can't find any channel scan settings that distinguish
> between ATSC and QAM.
>
> Not surprisingly, the channel data still looks wrong. For example, all
> of the channel records have a NULL mplexid and the dtv_multiplex table
> is empty. Has tuning a clear qam channel changed so much that channel
> records don't need to point to valid dtv_multiplex records any more?
>
> FWIW, both "General -> Locale Settings -> Channel frequency table" and
> "Video Sources -> MyVideoSource -> Channel frequency table" are set to
> us-cable and the listings grabber is "Multinational (Schedules Direct
> JSON web services w..." and the listings data looks correct.
>
>
> It is interesting to know which version of MythTV you are running. There
are lots of changes in the latest master / v31 compared with previous
versions.
You might have missed the Scan Type/ Full Scan settings, see the end of
this thread:
https://forum.mythtv.org/viewtopic.php?f=36&t=3567
Also described here:
https://www.mythtv.org/wiki/Channel_Scanning#Scan_Type_2
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