Was rather puzzled with this file as for why it wouldn't play in mythtv with VDPAU, yet some people reported that it played fine for them.
With a 9400 IGP (gigabyte GA-E7AUM-DS2H), 32 bits ubuntu
NVIDIA GPU GeForce 9400 (C79) at PCI:2:0:0 (GPU-0)
In mythtv, the video just shows a greyish screen. In mplayer it plays extremely slowly, unusable.
Yet, with a 8600GT, 256MB, 64 bits ubuntu
NVIDIA GPU GeForce 8600 GT (G84) at PCI:1:0:0 (GPU-0)
It plays perfectly in mythtv...
Driver bug ?