Video calls
This commit is contained in:
aforge
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import React from 'react';
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export default class RtcPanel extends React.PureComponent {
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constructor(props) {
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super(props);
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this.state = {
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isChannelReady: false,
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isInitiator: false,
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isStarted: false,
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localStream: undefined,
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pc: undefined,
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remoteStream: undefined,
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previousOnTele: undefined
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};
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this.localStreamConstraints = {
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audio: true,
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video: true
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};
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this.pcConfig = {
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iceServers: [
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{ urls: [ "stun:bn-turn1.xirsys.com" ] },
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{
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username: "0kYXFmQL9xojOrUy4VFemlTnNPVFZpp7jfPjpB3AjxahuRe4QWrCs6Ll1vDc7TTjAAAAAGAG2whXZWJUdXRzUGx1cw==",
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credential: "285ff060-5a58-11eb-b269-0242ac140004",
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urls: [
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"turn:bn-turn1.xirsys.com:80?transport=udp",
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"turn:bn-turn1.xirsys.com:3478?transport=udp",
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"turn:bn-turn1.xirsys.com:80?transport=tcp",
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"turn:bn-turn1.xirsys.com:3478?transport=tcp",
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"turns:bn-turn1.xirsys.com:443?transport=tcp",
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"turns:bn-turn1.xirsys.com:5349?transport=tcp"
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]
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}
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]};
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this.localRef = React.createRef();
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this.remoteRef = React.createRef();
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this.onTele = this.onTele.bind(this);
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this.launchStream = this.launchStream.bind(this);
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this.createPeerConnection = this.createPeerConnection.bind(this);
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this.handleNegotiationNeededEvent = this.handleNegotiationNeededEvent.bind(this);
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this.handleICECandidateEvent = this.handleICECandidateEvent.bind(this);
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this.handleNewICECandidateMsg = this.handleNewICECandidateMsg.bind(this);
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this.handleICEConnectionStateChangeEvent = this.handleICEConnectionStateChangeEvent.bind(this);
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this.handleSignalingStateChangeEvent = this.handleSignalingStateChangeEvent.bind(this);
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this.handleICEGatheringStateChangeEvent = this.handleICEGatheringStateChangeEvent.bind(this);
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this.handleTrackEvent = this.handleTrackEvent.bind(this);
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this.handleVideoOfferMsg = this.handleVideoOfferMsg.bind(this);
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this.handleVideoAnswerMsg = this.handleVideoAnswerMsg.bind(this);
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this.handleNewICECandidateMsg = this.handleNewICECandidateMsg.bind(this);
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this.reportError = this.reportError.bind(this);
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this.handleGetUserMediaError = this.handleGetUserMediaError.bind(this);
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this.stop = this.stop.bind(this);
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this.stopTracks = this.stopTracks.bind(this);
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this.handleCloseClick = this.handleCloseClick.bind(this);
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this.handleToggleCameraClick = this.handleToggleCameraClick.bind(this);
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this.handleToggleMicClick = this.handleToggleMicClick.bind(this);
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this.toggleMedia = this.toggleMedia.bind(this);
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this.handleRemoteHangup = this.handleRemoteHangup.bind(this);
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this.handleVideoCallAccepted = this.handleVideoCallAccepted.bind(this);
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}
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handleVideoCallAccepted(tele) {
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const pc = this.createPeerConnection();
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const stream = this.state.localStream;
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stream.getTracks().forEach(track => pc.addTrack(track, stream));
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console.log('RtcPanel: tele msg', tele);
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}
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onTele(tele) {
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console.log('tele --> ', tele);
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switch (tele.what) {
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//case 'invite'
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case 'accept':
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// Call accepted.
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this.handleVideoCallAccepted(tele);
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break;
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case 'offer':
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this.handleVideoOfferMsg(tele);
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break;
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case 'answer':
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this.handleVideoAnswerMsg(tele);
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break;
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case 'ice-candidate':
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this.handleNewICECandidateMsg(tele);
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break;
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case 'hang-up':
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this.handleRemoteHangup(tele);
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break;
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}
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}
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componentDidUpdate(props) {
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const topic = this.props.topic;
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if (this.onTele != topic.onTele) {
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this.previousOnTele = topic.onTele;
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topic.onTele = this.onTele;
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}
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}
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componentDidMount() {
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if ((this.props.callState == 1 || this.props.callState == 3) && this.localRef.current) {
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this.launchStream();
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}
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}
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componentWillUnmount() {
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this.props.topic.onTele = this.previousOnTele;
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}
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launchStream() {
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if (this.state.localStream) {
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console.log("You can't start a call because you already have one open!");
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} else {
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navigator.mediaDevices.getUserMedia(this.localStreamConstraints)
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.then(stream => {
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console.log('Adding local stream.', this.localRef.current);
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this.setState({localStream: stream});
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this.localRef.current.srcObject = stream;
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// Send call invitation (or accept call).
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this.props.onInvite(this.props.topic.name, this.props.seq, this.props.callState);
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})
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.catch(this.handleGetUserMediaError);
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}
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}
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createPeerConnection() {
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var pc = new RTCPeerConnection(this.pcConfig);
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pc.onicecandidate = this.handleICECandidateEvent;
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pc.oniceconnectionstatechange = this.handleICEConnectionStateChangeEvent;
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pc.onicegatheringstatechange = this.handleICEGatheringStateChangeEvent;
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pc.onsignalingstatechange = this.handleSignalingStateChangeEvent;
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pc.onnegotiationneeded = this.handleNegotiationNeededEvent;
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pc.ontrack = this.handleTrackEvent;
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this.setState({pc: pc});
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console.log('Created RTCPeerConnnection');
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return pc;
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}
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handleVideoAnswerMsg(tele) {
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console.log("*** Call recipient has accepted our call");
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// Configure the remote description, which is the SDP payload
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// in our "video-answer" message.
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var desc = new RTCSessionDescription(tele.payload);
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this.state.pc.setRemoteDescription(desc).catch(this.reportError);
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}
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reportError(errMessage) {
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console.log(`Error ${errMessage.name}: ${errMessage.message}`);
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}
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handleNegotiationNeededEvent() {
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this.state.pc.createOffer().then(offer => {
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return this.state.pc.setLocalDescription(offer);
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})
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.then(() => {
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this.props.onSendOffer(this.props.topic.name, this.props.seq, this.state.pc.localDescription.toJSON());
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})
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.catch(reportError);
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}
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handleICECandidateEvent(event) {
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if (event.candidate) {
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this.props.onIceCandidate(this.props.topic.name, this.props.seq, event.candidate.toJSON());
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}
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}
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handleNewICECandidateMsg(tele) {
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var candidate = new RTCIceCandidate(tele.payload);
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this.state.pc.addIceCandidate(candidate)
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.catch(reportError);
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}
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handleICEConnectionStateChangeEvent(event) {
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switch (this.state.pc.iceConnectionState) {
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case "closed":
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case "failed":
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this.handleCloseClick();
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break;
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}
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}
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handleSignalingStateChangeEvent(event) {
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switch (this.state.pc.signalingState) {
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case "closed":
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this.handleCloseClick();
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break;
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}
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}
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handleICEGatheringStateChangeEvent(event) {
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// Our sample just logs information to console here,
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// but you can do whatever you need.
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}
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handleTrackEvent(event) {
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this.remoteRef.current.srcObject = event.streams[0];
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}
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handleGetUserMediaError(e) {
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console.log('-->', e);
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switch(e.name) {
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case "NotFoundError":
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console.log("Unable to open your call because no camera and/or microphone" +
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"were found.");
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break;
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case "SecurityError":
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case "PermissionDeniedError":
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// Do nothing; this is the same as the user canceling the call.
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break;
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default:
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console.log("Error opening your camera and/or microphone: " + e.message);
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break;
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}
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// Make sure we shut down our end of the RTCPeerConnection so we're
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// ready to try again.
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this.handleCloseClick();
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}
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handleVideoOfferMsg(tele) {
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var localStream = null;
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const pc = this.createPeerConnection();
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var desc = new RTCSessionDescription(tele.payload);
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pc.setRemoteDescription(desc).then(() => {
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return navigator.mediaDevices.getUserMedia(this.localStreamConstraints);
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})
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.then(stream => {
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localStream = stream;
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this.localRef.current.srcObject = stream;
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this.setState({localStream: stream});
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localStream.getTracks().forEach(track => pc.addTrack(track, localStream));
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})
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.then(() => {
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return pc.createAnswer();
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})
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.then(answer => {
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return pc.setLocalDescription(answer);
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})
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.then(() => {
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this.props.onSendAnswer(this.props.topic.name, this.props.seq, pc.localDescription.toJSON());
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})
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.catch(this.handleGetUserMediaError);
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}
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handleRemoteHangup() {
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this.handleCloseClick();
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}
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stopTracks(el) {
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//let lr = this.localRef.current;
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if (el == null) { return; }
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let stream = el.srcObject;
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if (stream == null) { return; }
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let tracks = stream.getTracks();
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if (tracks != null) {
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tracks.forEach(function(track) {
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track.stop();
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});
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}
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el.srcObject = null;
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}
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stop() {
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this.stopTracks(this.localRef.current);
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this.stopTracks(this.remoteRef.current);
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if (this.state.pc != null) {
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this.state.pc.ontrack = null;
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this.state.pc.onremovetrack = null;
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this.state.pc.onremovestream = null;
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this.state.pc.onicecandidate = null;
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this.state.pc.oniceconnectionstatechange = null;
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this.state.pc.onsignalingstatechange = null;
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this.state.pc.onicegatheringstatechange = null;
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this.state.pc.onnegotiationneeded = null;
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this.state.pc.close();
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}
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this.setState({isStarted: false, isChannelReady: false, isInitiator: false, pc: null});
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}
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handleCloseClick() {
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this.stop();
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this.props.onHangup(this.props.topic.name, this.props.seq);
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this.props.onClose();
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}
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toggleMedia(kind) {
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const video = this.localRef.current;
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// A video's MediaStream object is available through its srcObject attribute
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const mediaStream = video.srcObject;
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// Through the MediaStream, you can get the MediaStreamTracks with getTracks():
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const tracks = mediaStream.getTracks();
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// Or stop all like so:
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tracks.forEach(track => {
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if (track.kind == kind) {
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track.stop();
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}
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});
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}
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handleToggleCameraClick() {
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this.toggleMedia('video');
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}
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handleToggleMicClick() {
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this.toggleMedia('audio');
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}
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render() {
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if (!this.props.topic) {
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return null;
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}
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return (
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<div className="h-100" id="video_display">
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<div id ="video_container" className="align-items-center" style={{marginTop: "10%"}}>
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<div className="local_div" id="div1">
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<video id="localVideo" className="" ref={this.localRef} autoPlay muted playsInline></video>
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</div>
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<div className="remote_div" id="div2">
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<video id="remoteVideo" className="" ref={this.remoteRef} autoPlay playsInline></video>
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</div>
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</div>
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<div id="close" style={{padding: "20px", textAlign: "center"}}>
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<button onClick={this.handleCloseClick} style={{borderRadius: "10px", backgroundColor: "red"}}>
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<i className="material-icons">call_end</i>
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</button>
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<button onClick={this.handleToggleCameraClick} style={{borderRadius: "10px", backgroundColor: "gray"}}><i className="material-icons">video_camera_front</i></button>
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<button onClick={this.handleToggleMicClick} style={{borderRadius: "10px", backgroundColor: "gray"}}><i className="material-icons">mic</i></button>
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</div>
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<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
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</div>
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);
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}
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};
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