Amazon Developer

Console

as

Settings
Sign out
Notifications
Alexa
亚马逊应用商店
AWS
文档
Support
Contact Us
My Cases

Console

as

新手入门
设计和开发
应用发布
参考
支持
跳转到主要内容
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
最后修改于 2026年8月25日