[mythtv-users] Seek Table Question

Brian Walter blwalter at gmail.com
Thu Jun 7 19:00:09 UTC 2007

Michael T. Dean wrote:
> On 06/07/2007 02:41 PM, Brian Walter wrote:
>> Bryan Mayland wrote:
>>> I know that the mpeg2recorder 
>>> (used for PVR-150/500/250/350 capture) flushes the "position map" to the 
>>> database every 30 keyframes, and every 5 for the 30.
>> Thanks!  just out of curiosity, *approx* how often do key frames come 
>> along?  Give this information, I'm noticing that little *burps* seem to 
>> happen in some recordings at regular intervals - usually between 10-13 
>> seconds.  The corruption is in the file - not playback, so I'm looking 
>> form something that happens on a fairly regular basis.
> Generally every 12 or 15 frames (i.e. about every 1/2 second), although
> it can be different.  So 30 keyframes happen in about how many seconds?  :)
> Sounds like you need to fix up your MySQL server (i.e. make sure it's
> not on the drive being used to store the recordings and perform any
> desired "optimizations" as described in posts on the list).
> Mike
The sql server is not on the same system, and I run optimizedb every night.

I'm thinking more along the lines of network issues.

But thanks for the info.  I'll have to keep digging then.

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