Originally Posted by davidwong
with "-mc 2" here, video is overall at normal speed.
but look at the clock at the top right corner in the video, it is not even speed,
some time faster some time slower.
I'm sorry, I did not look at the clock at first.
This is definitely neither an issue with MPlayer nor VDPAU, but the way the stream (the clock shown) was originally transmitted.
Please try mplayer -nosound and press "." for frame-by-frame stepping, you will see that "17:18:22" is shown for >40 frames, "17:18:23" only for 5 frames (pressing "." twice for two fields = one frame)..