HTML 5 standard won’t have an official video codec
According to Ian Hickson, editor of that standard on behalf of the Worldwide Web Consortium (W3C),
The HTML 5 standard won’t include requirements for browsers to support particular audio or video standards
Hickson’s comments were posted on the Web Hypertext Application Technology Working Group mailing list. He attributes the decision to a lack of consensus among browser makers.
Previously there had been talk of making either MPEG-4 AVC or OGG Theora the officially supported video codec for use with the

