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感谢您的访问。此页面目前仅提供英语版本。我们正在开发中文版本。谢谢您的理解。

MediaCapabilitiesInfo

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

Extended by

Properties

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


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


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


Last updated: Oct 02, 2025