When I open an avi file under Gnome Mplayer, there is an error report:

Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory

I then followed this blog to solve this problem, which suggests two ways.

The first way is to call mplayer in terminal:

mplayer -vo xv video.wmv

This works for me.

But I would like to try the second way, which is to write options in one of the configure files of Gnome Mplayer. I choose to write into ~/.mplayer/config, where I wrote:

-vo xv

But it does not work. So I was wondering if I make any mistake? What to write into the configure file?

Thanks and regards!