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Firefox 4 sneak peek flaunts Google open video codec

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Moz/FF

Mozilla has turned out a Firefox 4 prototype that includes Google's newly open sourced WebM video format, while Opera has rolled the format into a developer build of its own.

Last month, Google open sourced the VP8 video codec that it nabbed as part of its $124.6 million acquisition of video compression outfit On2 Technologies, and this was paired with the open source Ogg Vorbis audio codec to create a larger royalty-free media format known as WebM.

On Monday, Mozilla released a fifth developer preview based on its Gecko 1.9.3 rendering engine, which will eventually morph into Firefox 4, due for official launch in November. A beta should arrive later this month. The latest developer preview — detailed here — adds not only WebM but also hardware acceleration on Windows and Mac for HTML5 videos viewed in full-screen mode.

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Also: Mozilla releases Firefox 3.7 Alpha 5 developer preview

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