[MPlayer-users] 1 duplicate frames every 308 seconds :-\

[Rich Felker]

On Thu, Jun 30, 2005 at 08:23:43PM +0200, Alain Barthélemy wrote:
> Here is my script:
> 
> mencoder -tv driver=v4l:width=720:height=576 -ovc lavc -lavcopts
> vcodec=mpeg4:vbitrate=2200:vratetol=32000:mbd=2:psnr:aspect=4/3 -oac
> mp3lame -lameopts cbr:br=128:mode=0 -vf
> crop=672:528:24:24,pp=lb,scale=576:432,hqdn3d=3:2:5 -sws 1 -noodml tv://
> -o temp1.avi -endpos 6600
> 
> I just installed MPlayer-1.0pre7 and I have now:
> 1 duplicate frame(s) every (exactly!) 308 seconds
> 
> I did not have that with MPlayer-1.0pre6a with the same script.
> 
> What can now happen every 308 seconds?

Because your soundcard's clock sucks and is off such that the error
accumulates to a whole frame every 308 seconds...

Rich