[mythtv-users] Seek Table Question
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).
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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