166 lines
5.8 KiB
HTML
166 lines
5.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>Super Simple WebRTC – Manual Signaling</title>
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<style>
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body { font-family: sans-serif; margin: 20px; }
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textarea { width: 100%; height: 90px; font-family: monospace; }
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button { margin: 6px 0; padding: 8px 16px; }
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video { max-width: 320px; border: 1px solid #444; margin: 8px; background: #000; }
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</style>
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</head>
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<body>
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<h2>WebRTC 1:1 test (copy-paste signaling)</h2>
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<div>
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<button id="btnCreateOffer">1. Create Offer (Peer A)</button>
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<button id="btnSetRemoteOffer">2. Paste offer → Set remote description</button><br>
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<textarea id="offerSdp" placeholder="Offer SDP will appear here (Peer A) or paste offer here (Peer B)"></textarea>
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</div>
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<div style="margin-top: 24px;">
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<button id="btnCreateAnswer">3. Create Answer (Peer B)</button>
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<button id="btnSetRemoteAnswer">4. Paste answer → Set remote description</button><br>
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<textarea id="answerSdp" placeholder="Answer SDP will appear here (Peer B) or paste answer here (Peer A)"></textarea>
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</div>
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<div style="margin-top: 20px;">
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<button id="btnAddIce">Add ICE candidate manually (if needed)</button><br>
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<textarea id="iceInput" placeholder="Paste remote ICE candidate here"></textarea>
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<div id="iceLog"></div>
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</div>
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<div style="margin-top: 20px;">
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<video id="localVideo" autoplay playsinline muted></video>
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<video id="remoteVideo" autoplay playsinline></video>
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</div>
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<pre id="status">Status: ready</pre>
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<script>
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// ────────────────────────────────────────────────
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const $ = s => document.querySelector(s);
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const status = $('pre#status');
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const offerArea = $('#offerSdp');
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const answerArea = $('#answerSdp');
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const iceInput = $('#iceInput');
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const iceLog = $('#iceLog');
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let pc = null;
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let localStream = null;
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// ────────────────────────────────────────────────
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async function initPeerConnection() {
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if (pc) pc.close();
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pc = new RTCPeerConnection({
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iceServers: [
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{ urls: "stun:stun.l.google.com:19302" },
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{ urls: "stun:stun.stunprotocol.org" }
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]
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});
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pc.onicecandidate = e => {
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if (e.candidate) {
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console.log("New ICE candidate:", e.candidate);
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iceLog.innerHTML += "<div style='color:#c33'>→ " + e.candidate.candidate + "</div>";
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}
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};
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pc.oniceconnectionstatechange = () => {
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status.textContent = "ICE state: " + pc.iceConnectionState;
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};
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pc.ontrack = e => {
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console.log("ontrack", e);
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const remoteVideo = $('#remoteVideo');
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remoteVideo.srcObject = e.streams[0];
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status.textContent = "ICE state: " + pc.iceConnectionState + " (receiving media!)";
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};
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// Add local stream if we have camera/mic
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if (localStream) {
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localStream.getTracks().forEach(track => {
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pc.addTrack(track, localStream);
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});
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}
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}
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// ────────────────────────────────────────────────
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async function startLocalCamera() {
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try {
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localStream = await navigator.mediaDevices.getUserMedia({
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video: true,
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audio: false // change to true if you want audio too
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});
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$('#localVideo').srcObject = localStream;
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} catch (err) {
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console.error("Camera access failed", err);
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status.textContent = "Camera access failed: " + err.message;
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}
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}
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// ────────────────────────────────────────────────
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$('#btnCreateOffer').onclick = async () => {
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await initPeerConnection();
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await startLocalCamera();
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const offer = await pc.createOffer();
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await pc.setLocalDescription(offer);
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offerArea.value = JSON.stringify(pc.localDescription, null, 2);
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status.textContent = "Offer created – copy and send to peer B";
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};
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// ────────────────────────────────────────────────
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$('#btnCreateAnswer').onclick = async () => {
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await initPeerConnection();
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await startLocalCamera();
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const offer = JSON.parse(offerArea.value);
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await pc.setRemoteDescription(offer);
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const answer = await pc.createAnswer();
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await pc.setLocalDescription(answer);
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answerArea.value = JSON.stringify(pc.localDescription, null, 2);
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status.textContent = "Answer created – copy and send to peer A";
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};
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// ────────────────────────────────────────────────
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$('#btnSetRemoteOffer').onclick = async () => {
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if (!pc) await initPeerConnection();
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const remote = JSON.parse(offerArea.value);
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await pc.setRemoteDescription(remote);
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status.textContent = "Remote offer set";
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};
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// ────────────────────────────────────────────────
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$('#btnSetRemoteAnswer').onclick = async () => {
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const remote = JSON.parse(answerArea.value);
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await pc.setRemoteDescription(remote);
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status.textContent = "Remote answer set – waiting for ICE/media";
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};
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// ────────────────────────────────────────────────
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$('#btnAddIce').onclick = async () => {
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if (!iceInput.value.trim()) return;
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try {
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const candidate = new RTCIceCandidate(JSON.parse(iceInput.value));
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await pc.addIceCandidate(candidate);
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iceLog.innerHTML += "<div style='color:#3a3'>← added ICE candidate</div>";
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iceInput.value = "";
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} catch (err) {
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console.error("Bad ICE candidate", err);
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}
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};
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// Optional: auto-start camera when page loads
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// startLocalCamera();
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</script>
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</body>
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</html> |