earlzero.github.com/client2.html at master · earlzero/earlzero.github.com · GitHub

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<html>

<head>
<title>Test</title>
</head>

<body>
<videoautoplay></video>

<script>

// const from = 1;
// const to = 2;

constfrom=2;
constto=1;


constremoteView=document.querySelector('video');

classSignalingChannel{
constructor(url){
this.url=url;
this.socket=newWebSocket(url);
}

send(data){
varsocket=this.socket;

socket.send(JSON.stringify(data))
// socket.addEventListener('open', function (msg) {
// console.log("sending")
// socket.send(msg);
// });
}

addListener(handler){
this.socket.addEventListener('message',handler);
}
};


constsignaling=newSignalingChannel(`ws://192.168.1.205:8080/?from=${from}&to=${to}`);
constconstraints={audio: false,video: true};
constconfiguration={iceServers: [{urls: 'stun:stun.iptel.org'}]};
constpc=newRTCPeerConnection(configuration);

pc.onicecandidate=({ candidate })=>{
console.log(`ice candidate ${JSON.stringify(candidate)}`)
letmsg={"id": to,"body": JSON.stringify({"type": "candidate","body": candidate})}
signaling.send(msg)
};


pc.onnegotiationneeded=async()=>{
console.log('Negotiation is needed')
try{
awaitpc.setLocalDescription(awaitpc.createOffer());
// send the offer to the other peer
letmsg={"id": to,"body": JSON.stringify({"type": "desc","body": pc.localDescription})}
signaling.send(msg);
// signaling.send({ desc: pc.localDescription });
}catch(err){
console.error(err);
}
};

pc.ontrack=(event)=>{
// don't set srcObject again if it is already set.
if(remoteView.srcObject)return;
remoteView.srcObject=event.streams[0];
console.log("New track received")
};


asyncfunctionstart(){
try{
// get local stream, show it in self-view and add it to be sent
conststream=
awaitnavigator.mediaDevices.getUserMedia(constraints);
stream.getTracks().forEach((track)=>
pc.addTrack(track,stream));
// selfView.srcObject = stream;
}catch(err){
console.error(err);
}
}


constlistener=async(data)=>{
try{
console.log(`Signaling message received ${JSON.stringify(data)}`)
if(data.body!=null){
varobj=JSON.parse(data.body)
if(obj.type=="desc"){
desc=obj;
// if we get an offer, we need to reply with an answer
if(desc.type==='offer'){
awaitpc.setRemoteDescription(desc);
conststream=
awaitnavigator.mediaDevices.getUserMedia(constraints);
stream.getTracks().forEach((track)=>
pc.addTrack(track,stream));
awaitpc.setLocalDescription(awaitpc.createAnswer());


letmsg={"id": to,"body": JSON.stringify({"type": "desc","body": pc.localDescription})}
signaling.send(msg);
}elseif(desc.type==='answer'){
awaitpc.setRemoteDescription(desc);
}else{
console.log('Unsupported SDP type.');
}
}elseif(obj.type=="candidate"){
awaitpc.addIceCandidate(obj);
}
}
}catch(err){
console.error(err);
}
};

signaling.addListener(data=>{
console.log("adding listener again")
listener(data).then(res=>{
console.log("Finished")
});
});

start().then(result=>console.log("started"));

</script>
</body>

</html>