HTML 5 will no longer specify Ogg Theora as its video codec,...
http://news.zdnet.com/2100-9595_22-318208.html
Ian Hickson wrote on Monday that he was reluctantly dropping the open standard due to opposition from Apple, and said the rival H.264 codec could also not be specified due to opposition from other browser vendors. This means HTML 5 will not specify a single codec for web development.
thx.. saftladen