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

Properties

contentType

contentType: string
The contentType member represents the MIME type of the video track. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-contenttype

width

width: number
The width represents the visible horizontal encoded pixels in the encoded video frames. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-width

height

height: number
The height represents the visible vertical encoded pixels in the encoded video frames. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-height

bitrate

bitrate: number
The bitrate member represents the average bitrate of the video track given in units of bits per second. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-bitrate

framerate

framerate: number
The framerate member represents the framerate of the video track. The framerate is the number of frames used in one second (frames per second). It is represented as a double. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-framerate

hasAlphaChannel

hasAlphaChannel: boolean
The hasAlphaChannel member represents whether the video track contains alpha channel information. If true, the encoded video stream can produce per-pixel alpha channel information when decoded. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-hasalphachannel

hdrMetadataType?

optional hdrMetadataType: HdrMetadataType
If present, the hdrMetadataType member represents that the video track includes the specified HDR metadata type. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-hdrmetadatatype

colorGamut?

optional colorGamut: ColorGamut
If present, the colorGamut member represents that the video track is delivered in the specified color gamut, which describes a set of colors in which the content is intended to be displayed https://w3c.github.io/media-capabilities/#dom-videoconfiguration-colorgamut

transferFunction?

optional transferFunction: TransferFunction
If present, the transferFunction member represents that the video track requires the specified transfer function to be understood by the UA. Transfer function describes the electro-optical algorithm supported by the rendering capabilities of a user agent, independent of the display, to map the source colors in the decoded media into the colors to be displayed https://w3c.github.io/media-capabilities/#dom-videoconfiguration-transferfunction

scalabilityMode?

optional scalabilityMode: string
If present, the scalabilityMode member represents the scalability mode. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-scalabilitymode

spatialScalability?

optional spatialScalability: boolean
If present, the spatialScalability member represents the ability to do spatial prediction, that is, using frames of a resolution different than the current resolution as dependencies. https://w3c.github.io/media-capabilities/#dom-videoconfiguration-spatialscalability
Last modified on August 25, 2026