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https://w3c.github.io/media-capabilities/#dictdef-mediacapabilitiesinfo

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Properties

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supported

supported: boolean If the user agent supports the media represented by configuration, this is set to true. https://w3c.github.io/media-capabilities/#dom-mediacapabilitiesinfo-supported

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smooth

smooth: boolean If the user agent is able to decode/encode the media represented by configuration at the indicated framerate without dropping frames, this is set to true, otherwise false. https://w3c.github.io/media-capabilities/#dom-mediacapabilitiesinfo-smooth

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powerEfficient

powerEfficient: boolean If the user agent is able to decode/encode the media represented by configuration in a power efficient manner, powerEfficient is set to true, otherwise false. https://w3c.github.io/media-capabilities/#dom-mediacapabilitiesinfo-powerefficient
Last modified on July 22, 2026