[mythtv] EITScanner caused playback issues

Jan Kleinig lueddich at gmx.de
Wed Jul 19 20:54:23 UTC 2006

It stumbles about every 4 minutes... :(

Daniel Kristjansson schrieb:
> On Wed, 2006-07-19 at 14:42 -0400, Tony Lill wrote:
>> Janne Grunau <janne-mythtv at grunau.be> writes:
>>> On Tuesday 18 July 2006 23:14, Jan Kleinig wrote:
>>>> I have some problems with the EIT-Scanner at the moment, depending
>>>> stumbling tv- or recording-playback when the EIT-scanner inserts his
>>>> data into the database. Would it help me building mythtv-eit-branch?
>>> Currently not. there are no changes in the eit branch. 
>>> Can you give us specifications of your backend/frontend computer.
>>> We should maybe decrease the Chunksize and increase the minimal 
>>> reschedule time for the realease.
>> I submitted a patch for ticket #1660 that creates an asynchronus
>> database insertion thread. I used it to solve a similar problem with
>> database inserts hosing recording from ivtv. If you're just inserting
>> stuff for use later, it should solve your problem too.
> There is an asynchronous DB insertion thread for EIT data,
> and buffering which takes care of the DB inserts in the DVB
> recorder (buffering is needed for ivtv too, since DB inserts
> aren't the only thing that can hose an ivtv recording).
> The problem is probably with the rescheduling of recordings
> which can eat up a lot of resources; there is no way to avoid
> the reschedule hit, it can only be made less frequent and risk
> not recording a program you want to watch.
> How often does the system stumble when EIT is running?
> -- Daniel
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