Note: This feature is available in Dedicated Web Workers.
The primaries read-only property of the VideoColorSpace interface returns the color gamut of the video.
A string containing one of the following values:
"bt709"Color primaries used by BT.709 and sRGB.
"bt470bg"Color primaries used by BT.601 PAL.
"smpte170m"Color primaries used by BT.601 NTSC.
"bt2020"Color primaries used by BT.2020 and BT.2100.
In the following example, colorSpace is a VideoColorSpace object returned from VideoFrame. The value of primaries is printed to the console.
let colorSpace = VideoFrame.colorSpace;
console.log(colorSpace.primaries);