as

Settings
Sign out
Notifications
Alexa
Amazonアプリストア
AWS
ドキュメント
Support
Contact Us
My Cases
開発
設計と開発
公開
リファレンス
サポート
メインコンテンツへスキップ
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
最終更新日 2026年8月25日