[mythtv-users] Jumpy playback with PVR-250?

[Scott Pouliot]

I'll try the extra audio buffering once I find it  ;-)

As far as the pauses...they happen as little as 10 seconds into watching
LIVE TV...with no recording going on in the background.  I haven't changed
anything on this box in like a week and it's been running great.  All of a
sudden I played a recording I taped a few days back and it started freaking
out on me.

Actually, the only change I made was installing a new HD...and changing the
Myth setup to use that drive.  Let me ask this...could using an ext2
filesystem on this new drive be the culprit?  If so...I can easily format it
and re-do the filesystem in ext3.  This drive is faster than the boot drive
though....by almost double according to hdparm.  (35MB/Sec vs 56MB/sec) 

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Andrew Dodd
Sent: Friday, January 16, 2004 1:51 PM
To: Discussion about mythtv
Subject: RE: [mythtv-users] Jumpy playback with PVR-250?

Quoting Scott Pouliot <spouliot at scpsoftware.net>:

> Using the stock drivers for X here.  Since my card doesn't have TV-Out 
> built in.  Should I give the nVidia ones a try anyway?  I'm running a 
> GeForce 2 MX400 I believe....
The binary drivers have lots of additional support beyond TV-Out
capabilities:

XvMC is only in the binary drivers  I believe the GF2s have (at least) MC
capability (but not IDCT, as I mentioned before that's only in the 4MX and
FX
series)
Plain Xv may only be in the binary drivers (Although with your insanely low
CPU
numbers it sounds like the stock drivers have Xv)
3D support is kind of irrelevant for MythTV
The binaries are usually faster in all regards

Also, turn on "extra audio buffering" - oddly this actually helped with some
of
my video pauses.

Do the pauses only happen when you are currently recording, or do they
happen
when there is no recording being done too?  (Once the Live TV buffer gets
large
enough, it's possible that seeking between the recording write position to
the
playback read position repeatedly could bring HD transfer rates below what
is
needed.)

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