This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The WebRTC API interface RTCTrackEvent's read-only streams property specifies an array of MediaStream objects, one for each of the streams that comprise the track being added to the RTCPeerConnection.
An Array of MediaStream objects, one for each stream that make up the new track.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
streams |
56 | 79 | 22 | 43 | 11 | 56 | 24 | 43 | 11 | 6.0 | 56 | 11 |
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https://developer.mozilla.org/en-US/docs/Web/API/RTCTrackEvent/streams