[mythtv-users] very serious A/V sync issues

[Matt Vollmar]

Marcel Janssen wrote:

>On Sunday 06 March 2005 22:57, Marcel Janssen wrote:
>  
>
>>On Sunday 06 March 2005 22:34, Marcel Janssen wrote:
>>    
>>
>>>Hi,
>>>
>>>When I record a program in mythtv it plays out of sync in mythtv (audio
>>>is up to 2 seconds ahead of video)
>>>mplayer plays the recorded files (the nuv files I recording with mythtv)
>>>perfectly in sync.
>>>This makes me believe that the recorded files are OK but mythtv playback
>>>is wrong here.
>>>
>>>Now, it could be a problem with mythtv in relation to my system (fully up
>>>to date FC3 with ATrpms), but since I have no problems with any other
>>>video related software (xine,mplayer,oggle,xawtv etc) I have no clue left
>>>what I could change on my system except mythtv to solve the issue.
>>>
>>>Which options affect A/V sync ?
>>>If it is a bug in mythtv (which I believe), how can I analyze the problem
>>>or submit data on this issue ?
>>>      
>>>
>>Forgot to tell that I use OSS drivers for my soundcard because there are no
>>alsa drivers available and I use SPDIF output.
>>    
>>
>
>Could it be that OSS support is broken ?
>Anyone having mythtv working well with OSS drivers ?
>
>regards,
>Marcel
>
>
>  
>
Sounds to me like the opengl_vsync issue.  You need to recompile Myth 
without opengl_vsync set.  I don't think anyone has found a different 
work-around.  I did this and everything was peachy.  It's worth a try, 
anyway.  Search for it on the list if you aren't sure what this means.

Matt