Simon Willison’s Weblog

3 items tagged “codecs”


Video for Everybody! Reminiscent of the early days of Web Standards, Kroc Camen has created a fiendishly clever chunk of HTML which can play a video on any browser, starting with HTML5 video then falling back on Flash and eventually just an HTML message telling the user where they can download the file. No JavaScript to be seen, but conditional comments abound. Requires you to encode as both Ogg and H.264, but Kroc includes details instructions for doing that using Handbrake. # 2nd July 2009, 7:33 pm

Codecs for <audio> and <video>. HTML 5 will not be requiring support for specific audio and video codecs—Ian Hickson explains why, in great detail. Short version: Apple won’t implement Theora due to lack of hardware support and an “uncertain patent landscape”, while open source browsers (Chromium and Mozilla) can’t support H.264 due to the cost of the licenses. # 2nd July 2009, 10:16 am


The Dark Side Of The Moon (via) Robert O’Callahan believes that Moonlight is a strategic mistake, because it gives credibility to Microsoft’s entry to a new market which they will use to “keep the competition on a treadmill”; Moonlight can also never be entirely free due to the need for a proprietary codec (VC-1) available only as a binary blob. # 4th January 2008, 12:41 pm