[mythtv-users] How does mythtv determine tuning frequency?

[Jerry Rubinow]

On Sun, Jun 5, 2011 at 2:32 PM, Ginsu Squirrel <ginsu.squirrel at gmail.com>wrote:

>  On 06/05/2011 11:21 AM, Jerry Rubinow wrote:
>
> On Sat, Jun 4, 2011 at 10:51 AM, Jerry Rubinow <jerrymr at gmail.com> wrote:
>
>>  On Sat, Jun 4, 2011 at 10:38 AM, Michael T. Dean <
>> mtdean at thirdcontact.com> wrote:
>>
>>> On 06/04/2011 10:24 AM, Jerry Rubinow wrote:
>>>
>>> > I expect frequency reassignments by the provider are the only thing
>>> this
>>> > could be, since I haven't modified my system recently.
>>> >
>>> > Is it advisable to first clear the existing tables somehow?
>>> >   My  channelscan_dtv_multiplex has over 300 entries in it, and my
>>> > channelscan_channel table has over 2500.  I should mention my system
>>> just
>>> > has an HDHR and a HD-PVR.
>>>
>>>  MythTV will take care of that for you.  However, I tend to like to
>>> always start channel setup from a known location--completely clean
>>> setup.  So, for that, I do the video sources portion of
>>> http://www.gossamer-threads.com/lists/mythtv/users/264034#264034 .
>>>
>>
>>   Thanks Mike, that's what I needed to know.
>>
>>
>
>  It appears that doing a Deleta All Video Sources followed by a Delete All
> Capture Cards does not clear out the three channelscan (only two of which
> perhaps are still used anymore; I think the third, "channelscan", may be
> leftover in my DB from a long time ago) tables in the DB.  I will clear
> these manually before adding back the cards and sources.
>
>  -Jerry
>
> The channelscan tables are really just the history of what you have
> scanned.  They aren't used in tuning.  The real tables are 'channel' and
> 'dtv_multiplex'.
>

Just to clarify, you are using 'channelscan' to refer to 'channelscan' and
'channelscan_channels', but not to 'channelscan_dtv_multiplex', yes?

'channel' was cleared, but the three that begin with 'channelscan' were not.

-Jerry
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