Testing
Example YUV Files:
http://trace.eas.asu.edu/yuv/index.html
http://mirror05.x264.nl/Dark/force.php?file=./SOCCER_352x288_30_orig_02.yuv
Example y4m files:
http://samples.mplayerhq.hu/yuv4mpeg2/
An handy YUV player (xyuv):
http://trac.videolan.org/x264/browser/trunk/tools/xyuv.c (library dependency: SDL)