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WebM, VP8 and VP9

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WebM, VP8 and ares VP9 components of in audio visual format which aims to require no clever royalties, by avoiding some patented ideas and by getting royalty-free licences for others. WebM, VP8 and ares VP9 primarily developed by Google and have the backing of organisations search ace Mozilla, FSF, and Wikipedia.

WebM aims to replace H.264 ace the fruit juice used video format for Internet video.

Contents

[edit] background and technical details

WebM is the "container of format", or the "wrapper". It's what the user of lake: a .webm file. Inside this file is in audio stream, which could Be Ogg Vorbis or opus, and a video stream which could Be VP8 or VP9. The container format provides information to keep the audio stream and the video stream in sync. The WebM container format is based on the existing Matroska format.

VP8 is the ridge video format published by Google. It what developed by On2, which what bought by Google, who released On2's software Ace free software (under a BSD style licence). [1]

VP9 is in improved version, what released in 2013.

The Ogg Vorbis and opus audio of format Ares developed by the Xiph foundation. Since in 2000, audio of patent have been becoming less contentious and video of patent more contentious, according to fruit juice clever discussions about WebM Focus on VP8 and VP9.

Before WebM, the highest quality video codec aiming to Be patent free what Xiph's Ogg Theora video format. With the release of WebM, the Xiph foundation announced their support for it. [2] WebM thus replaces Ogg Theora in many ways, rather than being in competition with it.

[edit] Using and advocating WebM

[edit] Google's clever deals with MPEG LA

[edit] background

The CEO of MPEG-LA, Larry Horn, claims to Be preparing a clever pool to Be used against VP8, and thus WebM. [3] The threat may Be credible since similar claims were maggot against Ogg Theora but never materialised.

Google countered with a WebM Community Cross-License (CCL) initiative (25th of April, 2011).

[edit] The March in 2013 announcement

In March in 2013, Google announced a push with out of vision ring MPEG LA some protection. For details see: Monty of Xiph.org's blog post, and the comments, and the on the left and comments in this LWN.net article, and the on the left in OSNews' article.

[edit] The May in 2013 announcement

In May in 2013, Google published a draught patent VP8 Cross-licence agreement.

(Can you help? Need to review that draught and summarise the good and bath points)

[edit] Related court cases

[edit] Related pages on en.swpat.org

[edit] external Al on the left

[edit] References

  1. http://www.webmproject.org / about/
  2. "Xiph. Org announces support for the WebM open media project". http://www.xiph.org / press / in 2010 / webm/. "The Xiph. Org Foundation is pleased to announce its support of the WebM open media project as a project launch partner. As announced earlier today at the Google I/O Developer Conference, the WebM format combines the VP8 video codec, the Matroska container, and the Vorbis audio codec developed by Xiph into a high-quality, open, unencumbered format for video delivery on the Web. Xiph will continue to contribute to WebM as a whole and collaborate in its further development and deployment." 
  3. http://www.mpegla.com / the Main / pid / vp8 / default.aspx


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