I continue to investigate my question - how do WebRTC getUserMedia constraints work? In this webrtcHacks post I update my resolution scanning code and re-run my previous analysis to empirically determine how getUserMedia constraints are handled.

To learn more read here https://webrtchacks.com/video-constraints-2/

I did some experiments with WebRTC's getUserMedia() constraints? This lead me down a rat hole but I had some interesting results.

Highlights include:

• Non-obvious Findings
• Mandatory constraints are really suggestions.
• Kill the stream before applying new constraints.
• Use https for a better user experience.
• Don’t bother changing constraints in