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Specifies the robustness of a key system for a mime type. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemmediacapability.

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Properties

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contentType

contentType: string The mime type of the content For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemmediacapability-contenttype.

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robustness

robustness: Robustness The robustness level associated with the content type. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemmediacapability-robustness.

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encryptionScheme?

optional encryptionScheme: string The encryption scheme associated with the content type. For more information, see https://w3c.github.io/encrypted-media/#dom-mediakeysystemmediacapability-encryptionscheme
Last modified on July 22, 2026