[mythtv-users] Major Audio Sync Issues
fatgerman at ntlworld.com
Wed Nov 18 20:13:32 UTC 2009
On Wednesday 18 Nov 2009 02:08:05 Paulin wrote:
> I'm been banging my head against the wall on this issue for a couple of days
> now. I've search the thread and google for anything I can find on Audio Out
> Of Sync and I've tried a ton things. No luck with any of it.
> I upgrade last week to Mythbuntu 9.10 (myth 0.22). I'm using VDPAU.
> Before upgrading I didn't really have this issue.
> When I say upgraded I basically wiped the disk and started fresh.
> Anyway now the Myth Recordings that are occurring seem fine. However when
> playing back the audio and video become out of sync. I've noticed that the
> video will attempt to slow down to let the audio catch up but it never stays
> there. They get out of sync and evenytually get really bad (few seconds).
> I've tried changing the player to VLC, I also tried the suggestion on (
> and put oss on the mplayer command string. I also setup XvMC per the wiki
> page. Didn't change anything.
> My first question is, how do I enable extended logging on myth frontend
> using mythfrontend.real. I remember something about adding the parameter
> 'playback' but not sure how to do that with mythfrontend.real.
> Second why is my audio/video so out of sync? How do I track down the problem
> and fix it.
Have you tried enabling the setting 'Use Video As Timebase', somewhere amongst the reams of setup screens, TV playback I think? I did this for a similar problem, also with VDPAU, and it solved it.
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