[mythtv-users] uPNP AV Media Server directory incomplete or corrupted.

Derek Dongray derek at inverchapel.me.uk
Wed Nov 18 15:53:46 UTC 2009

OK. I took a look at the database (in my day job I spend more time looking
at databases than code) and found that the items in the listings that the
EVA700 had trouble with all had blank subtitles. For example, the Horizon
program had a blank subtitle and a description which started "How Long is a
Piece of String? Alan Davies takes a look at the question how long...".

By fixing the blank subtitles using MYSQL ..
     UPDATE recorded SET subtitle=substring(starttime,1,10) where
... (for example, I put in sensible subtitles where it was easy), all the
listings work OK.

I may take a look at the MythTv code and see if it's a fault in the listing
generation or if (as is more likely) it's just something the EVA700 doesn't


 Hi Greg
> Thanks for the information.
> I'd suspected that uPNP wasn't heavily used  and that most people simply
> connect a PC directly to the TV - my latest laptop even has an HDMI output!
> It looks like I'll have to take a look at the code and see how the listings
> for recordings are generated. It sounds as though there might be some
> inconsistency in my database which is confusing the uPNP code.
> Thanks again.
> Derek.
> 2009/11/18 Greg Estabrooks <greg at phaze.org>
>  > So, is there some way, similar to MediaTomb, to get MythTV to rescan
>> and
>> > regenerate the information it presents to uPNP clients to force it to
>> update
>> > things to agree with the other interface?
>>  The UPNP listings of recordings are generated on demand so when you make
>> the request the info is looked up from the database. It's only the mythvideo
>> content stuff that gets updated periodically rather than live.
>> > I've tried searching the web but haven't come up with much mention of
>> the
>> > uPNP server function at all, except that it exists and a ist of software
>> and
>> > hardware it works with (which includes the EVA700).
>>  It's a mostly unused function, mainly due to the fact that despite the
>> name "Universal" it's anything but :)  Every client is looking for something
>> different.
>> And of course it's relatively low usage by users makes it get a lot less
>> attention.
>> You could do a packet cature of the upnp traffic when loading the list in
>> your player and use that to verify if the recording was in the list that
>> way. At least that's where I would start with it.
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