On Thu, Mar 25, 2010 at 4:42 PM, Rolf Ernst <rolf.ernst at silverlightning.org>wrote: > On 3/25/2010 3:36 PM, Uoti Urpala wrote: > >> On Thu, 2010-03-25 at 10:13 -0400, TJ wrote: >> >> >>> When playing HD files encoded with h.264, video progressively goes out of >>> sync >>> with (lags behind) the audio. I tried it on 2 different computers. Here >>> are the >>> commands I used: >>> >>> >> >> >>> I am using MPlayer SVN-r29796-4.3.4. >>> >>> >> >> >>> I was thinking maybe this has something to do with the monitor refresh >>> rate >>> being 60Hz while the video is 59.94Hz. >>> >>> >> Yes this problem is most likely related to the frame rates. It's a >> limitation of the VDPAU driver (also shared by some other video outputs) >> in MPlayer svn. >> >> Try compiling a player from >> git://repo.or.cz/mplayer-build.git >> >> That has superior VDPAU support and should avoid this problem. >> (Depending on your linux distro there may be precompiled packages >> available in case you don't want to compile yourself.) >> >> > Is it drifting out of sync only during playback or also when you seek > forward. Say you start playback in the middle - is this also out of sync? If > this is the case I doubt it is related to the display driver but happens at > encoding time. > > > Rolf, If I seek, the sync goes back and starts drifting again. I know files record OK, as I copied it to Mac and played OK with VLC. -TJ