问题描述
我是 WEBRTC 的新手，我尝试实现简单的对等连接
<!DOCTYPE html>
<html>
<head>
<Meta charset="utf-8">
<Meta name="description" content="WebRTC code samples">
<Meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1,maximum-scale=1">
</head>
<body>
<div id="container">
<video id="localVideo" playsinline autoplay muted></video>
<video id="remoteVideo" playsinline autoplay></video>
<div class="Box">
<button id="startButton">Start</button>
<button id="callButton">Call</button>
<button id="hangupButton">Hang Up</button>
</div>
</div>
<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script type="text/javascript">
'use strict';
const startButton = document.getElementById('startButton');
const callButton = document.getElementById('callButton');
const hangupButton = document.getElementById('hangupButton');
callButton.disabled = true;
hangupButton.disabled = true;
startButton.addEventListener('click',start);
callButton.addEventListener('click',call);
hangupButton.addEventListener('click',hangup);
let startTime;
const localVideo = document.getElementById('localVideo');
const remoteVideo = document.getElementById('remoteVideo');
localVideo.addEventListener('loadedMetadata',function() {
console.log(`Local video videoWidth: ${this.videoWidth}px,videoHeight: ${this.videoHeight}px`);
});
remoteVideo.addEventListener('loadedMetadata',function() {
console.log(`Remote video videoWidth: ${this.videoWidth}px,videoHeight: ${this.videoHeight}px`);
});
remoteVideo.addEventListener('resize',() => {
console.log(`Remote video size changed to ${remoteVideo.videoWidth}x${remoteVideo.videoHeight}`);
// We'll use the first onsize callback as an indication that video has started
// playing out.
if (startTime) {
const elapsedtime = window.performance.Now() - startTime;
console.log('Setup time: ' + elapsedtime.toFixed(3) + 'ms');
startTime = null;
}
});
let localStream;
let pc1;
let pc2;
const offerOptions = {
offerToReceiveAudio: 1,offerToReceiveVideo: 1
};
function getName(pc) {
return (pc === pc1) ? 'pc1' : 'pc2';
}
function getotherPc(pc) {
return (pc === pc1) ? pc2 : pc1;
}
async function start() {
console.log('Requesting local stream');
startButton.disabled = true;
try {
const stream = await navigator.mediaDevices.getUserMedia({audio: true,video: true});
console.log('Received local stream');
localVideo.srcObject = stream;
localStream = stream;
callButton.disabled = false;
} catch (e) {
alert(`getUserMedia() error: ${e.name}`);
}
}
function getSelectedSdpSemantics() {
const sdpSemanticsSelect = document.querySelector('#sdpSemantics');
const option = sdpSemanticsSelect.options[sdpSemanticsSelect.selectedindex];
return option.value === '' ? {} : {sdpSemantics: option.value};
}
async function call() {
callButton.disabled = true;
hangupButton.disabled = false;
console.log('Starting call');
startTime = window.performance.Now();
const videoTracks = localStream.getVideoTracks();
const audioTracks = localStream.getAudioTracks();
if (videoTracks.length > 0) {
console.log(`Using video device: ${videoTracks[0].label}`);
}
if (audioTracks.length > 0) {
console.log(`Using audio device: ${audioTracks[0].label}`);
}
const configuration = getSelectedSdpSemantics();
console.log('RTCPeerConnection configuration:',configuration);
pc1 = new RTCPeerConnection(configuration);
console.log('Created local peer connection object pc1');
pc1.addEventListener('icecandidate',e => onIceCandidate(pc1,e));
pc2 = new RTCPeerConnection(configuration);
console.log('Created remote peer connection object pc2');
pc2.addEventListener('icecandidate',e => onIceCandidate(pc2,e));
pc1.addEventListener('iceconnectionstatechange',e => onIceStateChange(pc1,e));
pc2.addEventListener('iceconnectionstatechange',e => onIceStateChange(pc2,e));
pc2.addEventListener('track',gotRemoteStream);
localStream.getTracks().forEach(track => pc1.addTrack(track,localStream));
console.log('Added local stream to pc1');
try {
console.log('pc1 createOffer start');
const offer = await pc1.createOffer(offerOptions);
await onCreateOfferSuccess(offer);
} catch (e) {
onCreateSessionDescriptionError(e);
}
}
function onCreateSessionDescriptionError(error) {
console.log(`Failed to create session description: ${error.toString()}`);
}
async function onCreateOfferSuccess(desc) {
console.log(`Offer from pc1\n${desc.sdp}`);
console.log('pc1 setLocalDescription start');
try {
await pc1.setLocalDescription(desc);
onSetLocalSuccess(pc1);
} catch (e) {
onSetSessionDescriptionError();
}
console.log('pc2 setRemoteDescription start');
try {
await pc2.setRemoteDescription(desc);
onSetRemoteSuccess(pc2);
} catch (e) {
onSetSessionDescriptionError();
}
console.log('pc2 createAnswer start');
// Since the 'remote' side has no media stream we need
// to pass in the right constraints in order for it to
// accept the incoming offer of audio and video.
try {
const answer = await pc2.createAnswer();
await onCreateAnswerSuccess(answer);
} catch (e) {
onCreateSessionDescriptionError(e);
}
}
function onSetLocalSuccess(pc) {
console.log(`${getName(pc)} setLocalDescription complete`);
}
function onSetRemoteSuccess(pc) {
console.log(`${getName(pc)} setRemoteDescription complete`);
}
function onSetSessionDescriptionError(error) {
console.log(`Failed to set session description: ${error.toString()}`);
}
function gotRemoteStream(e) {
if (remoteVideo.srcObject !== e.streams[0]) {
remoteVideo.srcObject = e.streams[0];
console.log('pc2 received remote stream');
}
}
async function onCreateAnswerSuccess(desc) {
console.log(`Answer from pc2:\n${desc.sdp}`);
console.log('pc2 setLocalDescription start');
try {
await pc2.setLocalDescription(desc);
onSetLocalSuccess(pc2);
} catch (e) {
onSetSessionDescriptionError(e);
}
console.log('pc1 setRemoteDescription start');
try {
await pc1.setRemoteDescription(desc);
onSetRemoteSuccess(pc1);
} catch (e) {
onSetSessionDescriptionError(e);
}
}
async function onIceCandidate(pc,event) {
try {
await (getotherPc(pc).addIceCandidate(event.candidate));
onAddIceCandidateSuccess(pc);
} catch (e) {
onAddIceCandidateError(pc,e);
}
console.log(`${getName(pc)} ICE candidate:\n${event.candidate ? event.candidate.candidate : '(null)'}`);
}
function onAddIceCandidateSuccess(pc) {
console.log(`${getName(pc)} addIceCandidate success`);
}
function onAddIceCandidateError(pc,error) {
console.log(`${getName(pc)} Failed to add ICE Candidate: ${error.toString()}`);
}
function onIceStateChange(pc,event) {
if (pc) {
console.log(`${getName(pc)} ICE state: ${pc.iceConnectionState}`);
console.log('ICE state change event: ',event);
}
}
function hangup() {
console.log('Ending call');
pc1.close();
pc2.close();
pc1 = null;
pc2 = null;
hangupButton.disabled = true;
callButton.disabled = false;
}
</script>
</body>
</html>
我如何建立一个 id 基础连接，
EG：创建房间，其他人可以通过id加入房间，
任何人都可以帮助我解决这个问题，或者可以给我一个链接，让我可以在 PHP
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@）