我不知道我的应用程序出了什么问题,一切似乎都应该可以正常工作,但事实并非如此。我想做一个像应用程序这样简单的面对面。我正在使用一个简单的设置来提供index.html文件,并设置了websockets。客户端连接到socket.io中的一个房间,然后尝试通过RTCPeerConnnection连接。接收者从调用者那里获取了媒体流对象,但是当我将其添加到视频元素.srcObject属性中时,它就无法正常工作,它将无限加载而不会出错。
index.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<video autoplay id="me"></video>
<video controls autoplay id="partner"></video>
</body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.3.0/socket.io.js"></script>
<script>
const initiator = (location.hash === "#initiator")? true: false;
const socket = io("http://127.0.0.1:8000");
if(!initiator){
peer = new RTCPeerConnection();
peer.onaddstream = stream=>{
let video = document.getElementById("partner");
video.srcObject = stream.stream;
console.log(stream)
}
socket.emit("createRoom", "room");
socket.on("roomCreated", ()=>{
console.log("room made");
});
socket.on("startVideoRequest", remote=>{
peer.setRemoteDescription(remote)
.then(()=>{
return peer.createAnswer()
})
.then(sdp=>{
peer.setLocalDescription(sdp)
})
.then(()=>{
socket.emit("acceptVideoRequest", {id: "room", sdp: peer.localDescription});
})
.catch(err=>{
console.log(err);
})
});
}else {
socket.emit("joinRoom", "room");
const peer = new RTCPeerConnection({
initiator,
});
navigator.mediaDevices.getUserMedia({video: true, audio: true}).then(stream=>{
peer.addStream(stream);
peer.createOffer()
.then(sdp=>{
peer.setLocalDescription(sdp)
})
.then(()=>{
socket.emit("startVideo", {id: "room", sdp: peer.localDescription});
})
.catch(err=>{
console.log(err);
})
})
socket.on("videoRequestAccepted", data=>{
peer.setRemoteDescription(data);
});
}
</script>
</html>
index.js(服务器):
const express = require("express");
const http = require("http");
const socketIO = require("socket.io");
const port = process.env.PORT || 8000;
const app = express();
app.get("/", (req, res)=>{
res.sendFile(`${__dirname}/index.html`)
});
const server = http.createServer(app);
const io = socketIO(server);
let rooms = [];
io.on("connection", (socket)=>{
console.log(rooms)
socket.emit("getRooms", rooms);
socket.on("disconnect", ()=>{
console.log("disconnected")
rooms = [];
})
socket.on("createRoom", (id)=>{
socket.join(id);
rooms.push(id);
socket.emit('roomCreated');
});
socket.on("joinRoom", (id)=>{
socket.join(id);
io.to(id).emit('roomJoined');
});
socket.on("startVideo", ({id, sdp})=>{
io.to(id).emit('startVideoRequest', sdp)
});
socket.on("acceptVideoRequest", ({id, sdp})=>{
io.to(id).emit('videoRequestAccepted', sdp);
})
});
server.listen(port, ()=>console.log("running"));
答案 0 :(得分:0)
您可能会因为无法自动播放音频而感到困惑。
要使其工作,我要做两件事:
请参见https://github.com/pipe/two/blob/master/index.html#L73 例如代码和 https://webrtchacks.com/autoplay-restrictions-and-webrtc/ 进行讨论。
答案 1 :(得分:0)
我在您的代码中看不到与应冰者有关的事情...
// event triggered upon candidate
peer.onicecandidate = (e) => {
// send the candidate to the remote peer
if (e.candidate) {
socket.emit('candidate', e.candidate);
}
}
// receiving a candidate from other peer ...
socket.on("candidate", (candidate) => {
peer.addIceCandidate(new RTCIceCandidate(candidate);
};