Created
June 24, 2022 10:59
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WHPP example
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<!DOCTYPE html> | |
<html> | |
<head> | |
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@exampledev/[email protected]/new.min.css"> | |
</head> | |
<body> | |
<video autoplay muted playsinline controls></video> | |
<script type="text/javascript"> | |
const url = "https://<whpp-url>"; | |
window.addEventListener("DOMContentLoaded", async () => { | |
let waitingForCandidates = true; | |
const peer = new RTCPeerConnection({ | |
iceServers: [{ urls: "stun:stun.l.google.com:19302" }] | |
}); | |
peer.onicegatheringstatechange = async () => { | |
if (peer.iceGatheringState === "complete") { | |
await iceGatheringComplete(); | |
} | |
}; | |
const video = document.querySelector("video"); | |
peer.ontrack = (ev) => { | |
if (ev.streams && ev.streams[0]) { | |
video.srcObject = ev.streams[0]; | |
} | |
}; | |
const response = await fetch(url, { | |
method: "POST", | |
headers: { "Content-Type": "application/whpp+json" }, | |
body: JSON.stringify({}) | |
}); | |
const whppOffer = await response.json(); | |
const viewerResourceUrl = response.headers.get("location"); | |
await peer.setRemoteDescription({ type: "offer", sdp: whppOffer.offer }); | |
const answer = peer.createAnswer(); | |
peer.setLocalDescription(answer); | |
async function iceGatheringComplete() { | |
waitingForCandidates = false; | |
clearTimeout(iceGatheringTimeout); | |
const response = await fetch(viewerResourceUrl, { | |
method: "PUT", | |
headers: { "Content-Type": "application/whpp+json" }, | |
body: JSON.stringify({ answer: peer.localDescription.sdp }) | |
}); | |
if (!response.ok) { | |
console.error(response.statusText); | |
} | |
} | |
const iceGatheringTimeout = setTimeout(async () => { | |
await iceGatheringComplete(); | |
}, 5000); | |
}); | |
</script> | |
</body> | |
</html> |
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