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| Internet media type | video/VP8 |
|---|---|
| Developed by | On2 Technologies, Google |
| Initial release | September 13, 2008 |
| Type of format | Video coding format |
| Contained by | WebM, Matroska |
| Extended from | VP7 |
| Extended to | VP9 |
| Standard | RFC 6386 |
| Open format? | Yes (specification under CC-by)[1] |
| Free format? | See § History |
VP8 is an open and royalty-free video compression format released by On2 Technologies in 2008.
Initially released as a proprietary successor to On2's previous VP7 format, VP8 was released as an open and royalty-free format in May 2010 after Google acquired On2 Technologies. Google provided an irrevocable patent promise on its patents for implementing the VP8 format, and released a specification of the format under the Creative Commons Attribution 3.0 license.[1] That same year, Google also released libvpx, the reference implementation of VP8, under the revised BSD license.[2]
Opera, Firefox, Chrome, Pale Moon, and Chromium support playing VP8 video in HTML video tag.[3] Internet Explorer officially supports VP8 if the user has the DirectShow filter installed.[4][5] According to Google, VP8 is mainly used in connection with WebRTC and as a format for short looped animations, as a replacement for the Graphics Interchange Format (GIF).[6]
VP8 can be multiplexed into the Matroska-based container format WebM along with Vorbis and Opus audio. The image format WebP is based on VP8's intra-frame coding. VP8's direct successor, VP9, and the royalty-free AV1 codec from the Alliance for Open Media are based on VP8.[7]
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