.yuv is an image or video file.
1 use this command "sudo apt-get install mplayer" to install mplayer
2 read this article: http://blog.csdn.net/seven407/article/details/6406195
3 if you get this error message: "Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory"
use this command to play your file: " mplayer -vo x11 -demuxer rawvideo -rawvideo w=320:h=240:format=yuy2 qvga.yuv -loop 0 "
some useful links:
http://vsingleton.blogspot.sg/2010/02/failed-to-open-vdpau-backend.html