https://i.sstatic.net/9n1IP.png
Frontend code:-
Frontend code goes here...Backend Code:
Backend code goes here...I encountered an error: Failed to create PeerConnection, exception: Failed to construct 'RTCSessionDescription': parameter 1 ('descriptionInitDict') is not an object.
I also received an error message: Uncaught (in promise) DOMException: Failed to set remote offer sdp: Called in wrong state: kHaveLocalOffer
This code snippet:
pc.createOffer().then(setDescription).catch(errorHandler);
function setDescription(description) {
console.log('Received description', description);
pc.setLocalDescription(description).then(function() {
console.log("Sending SDP");
socket.emit('signal', {'sdp': description});
}).catch(errorHandler);
}
Next, you need to handle the received SDP:
function gotMessageFromServer(signal) {
console.log('Received message from server', signal);
if(signal.sdp) {
console.log("Setting remote description: ", signal);
pc.setRemoteDescription(new RTCSessionDescription(signal.sdp)).then(function() {
// Only create answers in response to offers
if(signal.sdp.type === 'offer') {
console.log("Sending answer");
pc.createAnswer().then(setDescription).catch(errorHandler);
}
}).catch(errorHandler);
} else if(signal.ice) {
console.log('Received remote ICE candidate: ', signal);
pc.addIceCandidate(new RTCIceCandidate(signal.ice)).catch(errorHandler);
}
}
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