[mythtv-users] playbacks are skipping, PVR-350

[sschaefer1 at woh.rr.com]

I managed to clear off the drive. It turned out to be that when the drive fills up the it is not able to write the recorded stream fast enough, so the result is dropped frames. Sorry for the posting... I should have tested this out beforehand.

----- Original Message -----
From: Steven Schaefer <sschaefer1 at woh.rr.com>
Date: Friday, January 14, 2005 10:39 pm
Subject: [mythtv-users] playbacks are skipping, PVR-350

> For the past couple weeks my playbacks (Hauppauge PVR-350) have 
> been skipping.
> This started to occur soon after I upgraded from ivtv-0.1.9 to 
> ivtv-0.2.0-rc3a
> However, even when I revert back to the ivtv-0.1.9 the condition 
> still 
> exists, even for recordings made with the ivtv-0.1.9
> 
> I'm using MythTV-0.16
> I don't have the time to be pulling the card out and sticking back 
> in 
> windows to see if the problem persists, but is this a possible 
> hardware 
> failure?
> 
> Another thought I had was, that my hard drive ( a Wester Digital 
> 160 GB IDE 
> ) is typically 80% full, could I need to defrag the drive? I've 
> made sure 
> that DMA is enabled in Linux for the partition.
> 
> I should mention that skipping occurs at regular intervals ~30 
> seconds, and 
> skips roughly 1-2 seconds of video each time.
> 
> Correct me if I'm wrong, if the system were having trouble writing 
> the 
> recording stream fast enough to the hard drive, would MythTV 
> intentionally 
> skip frames to accomodate the slow system response?  I guess 
> thinking about 
> it, the system would simply sample the next frame to be compressed 
> when the 
> system returns... no the card has a hardware encoder so the system 
> would 
> have to accept the full data stream?
> 
> 
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