导入数据库表和音视频demo

media-server-demo-node/www/datachannels/js/datachannels.js

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+const url = "wss://"+window.location.hostname+":"+window.location.port;
+
+
+
+var sdp;
+var pc;
+	
+function connect() 
+{
+
+	//Create PC
+	pc = new RTCPeerConnection();
+	const dc = pc.createDataChannel("aaaaaaaaaaaaaaaa");
+	
+	var ws = new WebSocket(url,"datachannels");
+	
+	ws.onopen = async function() {
+		//Create new offer
+		const offer = await pc.createOffer();
+		//We have sdp
+		sdp = offer.sdp;
+		console.log("offer",sdp);
+		//Set it
+		await pc.setLocalDescription(offer);
+		//Create room
+		ws.send(JSON.stringify({
+			cmd		: "OFFER",
+			offer		: sdp
+		}));
+	};
+	
+	ws.onmessage = function(event){
+		//Get protocol message
+		const msg = JSON.parse(event.data);
+		const answer = msg.answer.replace("m=application 9 UDP/TLS/RTP/SAVPF","m=application 9 DTLS/SCTP 5000") + "a=sctpmap:5000 webrtc-datachannel 1024\r\n"
+		console.log("answer",answer);
+		pc.setRemoteDescription(new RTCSessionDescription({
+				type:'answer',
+				sdp: answer
+			}), function () {
+				console.log("JOINED");
+			}, function (err) {
+				console.error("Error joining",err);
+			}
+		);
+	};
+}
+
+connect();
+