80 lines
1.9 KiB
JavaScript
80 lines
1.9 KiB
JavaScript
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const videoview = document.getElementById("remoteview");
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const config = {
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iceServers: [{ urls: "stun:localhost" }]
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};
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const polite = true;
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const signaler = new SignalingChannel();
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const pc = new RTCPeerConnection(config);
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const constraints = { audio: false, video: true };
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pc.ontrack = ({ track, streams }) => {
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track.onunmute = () => {
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if (remoteview.srcObject) {
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return;
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}
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remoteview.srcObject = streams[0];
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};
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};
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let makingOffer = false;
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pc.onnegotionationneeded = async () => {
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try {
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makingOffer = true;
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await pc.setLocalDescription();
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signaler.send({ description: pc.localDescription });
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} catch (err) {
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console.error(err);
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} finally {
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makingOffer = false;
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}
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};
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pc.onicecandidate = ({ candidate }) => signaler.send({ candidate });
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pc.oniceconnectionstatechange = () => {
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if (pc.iceConnectionState === "failed") {
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pc.restartIce();
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}
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};
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let ignoreOffer = false;
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signaler.onmessage = async ({ data: { description, candidate } }) => {
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try {
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if (description) {
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const offerCollision =
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description.type === "offer" &&
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(makingOffer || pc.signalingState !== "stable");
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ignoreOffer = !polite && offerCollision;
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if (ignoreOffer) {
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return;
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}
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await pc.setRemoteDescription(description);
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if (description.type === "offer") {
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await pc.setLocalDescription();
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signaler.send({ description: pc.localDescription });
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}
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} else if (candidate) {
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try {
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await pc.addIceCandidate(candidate);
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} catch (err) {
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if (!ignoreOffer) {
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throw err;
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}
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}
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}
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} catch (err) {
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console.error(err);
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}
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};
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async function start_rtc_connection() {
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}
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