Encrypted Media Extensions
W3C specification for web browsers to play DRM content / From Wikipedia, the free encyclopedia
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Encrypted Media Extensions (EME) is a W3C specification for providing a communication channel between web browsers and the Content Decryption Module (CDM) software which implements digital rights management (DRM).[2] This allows the use of HTML5 video to play back DRM-wrapped content such as streaming video services without the use of heavy third-party media plugins like Adobe Flash or Microsoft Silverlight (both discontinued). The use of a third-party key management system may be required, depending on whether the publisher chooses to scramble the keys.
Encrypted Media Extensions | |
Abbreviation | EME, encrypted-media |
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Native name | Encrypted Media Extensions |
Status | W3C Recommendation |
Year started | 2013 (2013) |
First published | May 10, 2013 (2013-05-10)[1] |
Latest version | 2017-09-18 September 18, 2017; 6 years ago (2017-09-18)[2] |
Preview version | Editor's Draft March 20, 2021; 3 years ago (2021-03-20)[3] |
Organization | [2][3] |
Committee |
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Editors | |
Base standards | |
Domain | Digital rights management |
Website |
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EME is based on the HTML5 Media Source Extensions (MSE) specification,[4] which enables adaptive bitrate streaming in HTML5 using e.g. MPEG-DASH with MPEG-CENC protected content.[5][6]
EME has been highly controversial because it places a necessarily proprietary, closed decryption component which requires per-browser licensing fees into what might otherwise be an entirely open and free software ecosystem.[7][8] On July 6, 2017, W3C publicly announced its intention to publish an EME web standard,[9] and did so on September 18.[2] On the same day, the Electronic Frontier Foundation, who joined in 2014 to participate in the decision making,[10] published an open letter resigning from W3C.[11]