[mythtv-users] 0.19, XvMC, and Prebuffer pause

Steve Malenfant smalenfant at gmail.com
Thu Feb 23 03:50:48 UTC 2006

I'm having the same exact issue with about the same exact hardware...

I don't use live tv, and 0.18 worked really good for me (except the
non-annoying OSD problem).

Now with 0.19 with the same setting, even 720p is unwatchable. 
Prebuffer pause every 100ms, really hurts audio.  I opened a ticket
cause I couldn't find one about watching recorded programs.  Got
closed with saying "Users list question".

I've been on 0.19 for about 4-5 days, I don't want to lose my programs
because I'm going back...

Any help here on how to debug "pre-buffering" pause?  Ticket was 1361.

Wife is not happy...  She now wants to use the SD dish to watch TV,
after seeing HD I can't go back...

Steve M.

On 2/22/06, Dawning Sky <the.dawning.sky at gmail.com> wrote:
> Hi,
> I just upgraded to 0.19 through ATrpms and so far it's been running great.
> XvMC is much more stable.  I can now watch Live TV or recordings for hours
> without freezing.  But I still get a lot of "prebuffer pause" and either
> "video xxx frames ahead of audio" or "audio xxx frames ahead of video" in
> the frontend log.  Sometimes I don't even notice any problem by simply
> watching the playback, but sometimes the problem can be very noticable.  I'm
> wondering whether anyone else is having or had the similar problem and how
> to solve it.
> My machine is a P4 2.4GHz, 768MB RAM, FX5200 on AGP, running nVidia driver
> 7174 on FC3 2.6.12 kernel.  When watching HD contents, the frontend is using
> about 50% CPU and X using about 3%.
> Thanks,
> DS
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