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アクセスいただきありがとうございます。こちらのページは現在英語のみのご用意となっております。順次日本語化を進めてまいりますので、ご理解のほどよろしくお願いいたします。

MediaCapabilitiesInfo

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

Properties

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


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


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 updated: Jul 22, 2026