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

