Is There A Way To Reduce Latency Using GetUserMedia?

While trying to reduce the video latency for a WebRTC communication, I measured the delay between the video capture and the video display. To prevent measuring latency involved by

Solution 1:

In general this is something you can only fix in the browser itself.

The requestVideoFrameCallback API is gathering some numbers such as captureTime and renderTime. https://web.dev/requestvideoframecallback-rvfc/ has a pretty good description, https://webrtc.github.io/samples/src/content/peerconnection/per-frame-callback/ visualizes them.