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Microsoft Offers H.264 Plug-in For Google Chrome
Apparently Firefox was just the beginning: Pigskin-Referee writes "Microsoft has released a Windows Media Player HTML5 Extension for Chrome so as to enable H.264-encoded video on HTML5 by using built-in capabilities available on Windows 7. As you may recall, less than two months ago, Microsoft released the HTML5 Extension for Windows Media Player Firefox Plug-in with the same goal in mind. Even though Firefox and Chrome are big competitors to Microsoft's own Internet Explorer, the software giant has decided Windows 7 users should be able to play back H.264 video even if they aren't using IE9. Here's the current state of HTML5 video: Microsoft and Apple are betting on H.264, while Firefox, Chrome, and Opera are rooting for WebM. Google was actually in favor of both H.264 and WebM up until earlier this month, when the search giant decided to drop H.264 support completely, even though the former is widely used and the latter is not. The company also announced that it would release WebM plugins for Internet Explorer 9 and Safari. Although IE9 supports H.264, excluding all other codecs, Microsoft is making an exception for WebM, as long as the user installs the corresponding codec, and is helping Google ensure the plug-in works properly."
Something strange has been going on at Redmond, WA lately. And I like it. It seems like a reversal of roles for Google to be reducing end-user choice and Microsoft to be making up for it.
It looks like it's just a NSAPI plugin, with a content script that converts video tags to object tags for all mp4, wmv, mp4v, and m4v files, and uses Windows Media Player to handle them. It's a bit of a misnomer to say it's HTML5; basically it converts the HTML5 back to HTML4.
The best part is that it looks like the plugin can be invoked manually through an object tag, no video tag required. Now all three browsers (IE, Firefox w/a Microsoft addon, Chrome) can have WMP invoked at will, unsandboxed (Plugins aren't sandboxed by Chrome since most wouldn't work correctly, the one exception being a modified Flash). Great.