The Media Session API's MediaImage dictionary describes the images associated with the media resource MediaMetadata . Its contents can be displayed by the user agent in appropriate contexts, like player interface to show the current playing video or audio track.


The URL from which user agent can fetch the image's data.
Specifies the resource in multiple sizes so that user agent does not have to scale a single image.
MIME type hint for the user agant. Note that it is just a hint so that user agent may ignore images of types it does not support; user agent still may use mime type sniffing after downloading the image to determine its type.


规范 状态 Comment
Media Session Standard
The definition of 'MediaImage' in that specification.
草案 初始定义。


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  1. 媒体会话 API
  2. MediaImage
  3. Related pages for Media Session API
    1. MediaMetadata
    2. MediaSession