One of the most common video overlay formats. For an explanation of these pixel formats, see: http://www.webartz.com/fourcc/indexyuv.htm For information on the relationship between color spaces, see: http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html Packed mode: U0+Y0+V0+Y1 (1 plane)