我是webRTC的新手，我为视频聊天编写了代码，由于我不想使用scaledrone，因此可以成功执行视频聊天。我想使用纯JavasCript。我该怎么办请帮助我
html和css
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<style>
body {
display: flex;
height: 100vh;
margin: 0;
align-items: center;
justify-content: center;
padding: 0 50px;
font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}
video {
max-width: calc(50% - 100px);
margin: 0 50px;
box-sizing: border-box;
border-radius: 2px;
padding: 0;
box-shadow: rgba(156, 172, 172, 0.2) 0px 2px 2px, rgba(156, 172, 172, 0.2) 0px 4px 4px, rgba(156, 172, 172, 0.2) 0px 8px 8px, rgba(156, 172, 172, 0.2) 0px 16px 16px, rgba(156, 172, 172, 0.2) 0px 32px 32px, rgba(156, 172, 172, 0.2) 0px 64px 64px;
}
.copy {
position: fixed;
top: 10px;
left: 50%;
transform: translateX(-50%);
font-size: 16px;
color: rgba(0, 0, 0, 0.5);
}
</style>
</head>
<body>
<div class="copy">Send your URL to a friend to start a video call</div>
<video id="localVideo" autoplay muted></video>
<video id="remoteVideo" autoplay></video>
</body>
</html>
scaledrone脚本
<script type='text/javascript' src='https://cdn.scaledrone.com/scaledrone.min.js'></script>
主要js
<script>
// Generate random room name if needed
if (!location.hash) {
location.hash = Math.floor(Math.random() * 0xFFFFFF).toString(16);
}
const roomHash = location.hash.substring(1);
// TODO: Replace with your own channel ID
const drone = new ScaleDrone('yiS12Ts5RdNhebyM');
// Room name needs to be prefixed with 'observable-'
const roomName = 'observable-' + roomHash;
const configuration = {
iceServers: [{
urls: 'stun:stun.l.google.com:19302'
}]
};
let room;
let pc;
function onSuccess() {};
function onError(error) {
console.error(error);
};
drone.on('open', error => {
if (error) {
return console.error(error);
}
room = drone.subscribe(roomName);
room.on('open', error => {
if (error) {
onError(error);
}
});
// We're connected to the room and received an array of 'members'
// connected to the room (including us). Signaling server is ready.
room.on('members', members => {
console.log('MEMBERS', members);
// If we are the second user to connect to the room we will be creating the offer
const isOfferer = members.length === 2;
startWebRTC(isOfferer);
});
});
// Send signaling data via Scaledrone
function sendMessage(message) {
drone.publish({
room: roomName,
message
});
}
function startWebRTC(isOfferer) {
pc = new RTCPeerConnection(configuration);
// 'onicecandidate' notifies us whenever an ICE agent needs to deliver a
// message to the other peer through the signaling server
pc.onicecandidate = event => {
if (event.candidate) {
sendMessage({'candidate': event.candidate});
}
};
// If user is offerer let the 'negotiationneeded' event create the offer
if (isOfferer) {
pc.onnegotiationneeded = () => {
pc.createOffer().then(localDescCreated).catch(onError);
}
}
// When a remote stream arrives display it in the #remoteVideo element
pc.ontrack = event => {
const stream = event.streams[0];
if (!remoteVideo.srcObject || remoteVideo.srcObject.id !== stream.id) {
remoteVideo.srcObject = stream;
}
};
navigator.mediaDevices.getUserMedia({
audio: true,
video: true,
}).then(stream => {
// Display your local video in #localVideo element
localVideo.srcObject = stream;
// Add your stream to be sent to the conneting peer
stream.getTracks().forEach(track => pc.addTrack(track, stream));
}, onError);
// Listen to signaling data from Scaledrone
room.on('data', (message, client) => {
// Message was sent by us
if (client.id === drone.clientId) {
return;
}
if (message.sdp) {
// This is called after receiving an offer or answer from another peer
pc.setRemoteDescription(new RTCSessionDescription(message.sdp), () => {
// When receiving an offer lets answer it
if (pc.remoteDescription.type === 'offer') {
pc.createAnswer().then(localDescCreated).catch(onError);
}
}, onError);
} else if (message.candidate) {
// Add the new ICE candidate to our connections remote description
pc.addIceCandidate(
new RTCIceCandidate(message.candidate), onSuccess, onError
);
}
});
}
function localDescCreated(desc) {
pc.setLocalDescription(
desc,
() => sendMessage({'sdp': pc.localDescription}),
onError
);
}
</script>
[请帮助我，如何在不使用scaledrone的情况下使用纯js设置p2p连接。请帮帮我。在此先感谢
这里查看Google的代码实验室。
https://codelabs.developers.google.com/codelabs/webrtc-web/#0