This feature is not Baseline because it does not work in some of the most widely-used browsers.
The totalSquaredInterFrameDelay property of the RTCInboundRtpStreamStats dictionary indicates the sum of the square of each inter-frame delay between consecutively rendered frames. It is recorded after each frame is rendered.
The inter-frame delay variance be calculated from totalInterFrameDelay, totalSquaredInterFrameDelay, and framesRendered, according to the formula: (totalSquaredInterFrameDelay - totalInterFrameDelay^2/ framesRendered)/framesRendered.
Note: The property is undefined for audio streams.
A positive number.
| Specification |
|---|
| Identifiers for WebRTC's Statistics API> # dom-rtcinboundrtpstreamstats-totalsquaredinterframedelay> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
totalSquaredInterFrameDelay |
79 | 79 | 106 | 66 | No | 79 | 106 | 57 | No | 12.0 | 79 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/RTCInboundRtpStreamStats/totalSquaredInterFrameDelay