[mythtv-users] Mapping OTA channels to HDHomerun tuners

[Mike Perkins]

On 21/02/13 18:16, Michael T. Dean wrote:
> On 02/21/2013 11:55 AM, Yann Lehmann wrote:
>> Am 21.02.2013 14:25, schrieb Michael T. Dean:
>>
>>> those same OTA channels--you'd need 2 Video Sources.  And in some
>>> cases--such as the one just described--2 different Video Sources /can/
>>> share a single listings source:  a single lineup on Schedules Direct.
>>
>> Is sharing a listings source only possible with Schedules Direct, or is it
>> also possible with an xmltv-grabber ?
>
> Multiple Video Sources can specify the same XMLTV grabber/configuration,
> however, MythTV does nothing to "cache" the results for XMLTV*, so it may,
> effectively, just hit the site twice (unless the grabber, itself, or some other
> XMLTV thing does the caching).  If that's the case for your grabber, the best
> approach is to configure an external script that does the caching for you.
>
> Someone who knows XMLTV better than I may be able to give you more information.
> As a matter of fact, I wouldn't be surprised if there's some "standard" XMLTV
> caching script or capability.
>
> Mike
>
> *TTBOMK, MythTV only caches Schedules Direct listings data so that it can be
> reused by multiple Video Sources without fetching, again, and does not do the
> same for XMLTV data.  However, we would be happy to have a patch to enable XMLTV
> data caching (as a matter of fact, if I get my way--and switch MythTV to use
> XMLTV for Schedules Direct users, too--we'll need it so we don't "lose"
> capability).
>
As far as I am aware, in the UK at least, xmltv *does* cache data as part of the 
process. What it caches and how I don't know but there is a cache directory you 
need to specify when you set up an xmltv source, which ends up full of hashed files.

-- 

Mike Perkins