111 lines
3.0 KiB
HTML
111 lines
3.0 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>PeerConnection Audio Only Demo 1</title>
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<!-- Load the polyfill to switch-hit between Chrome and Firefox -->
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<script src="/js/adapter.js"></script>
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<style>
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button {
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font: 18px sans-serif;
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padding: 8px;
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}
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</style>
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</head>
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<body>
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<h2>Local-Audio</h2>
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<audio id="audio1" autoplay="autoplay" controls="controls" muted="true"></audio>
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<h2>Remote-Audio</h2>
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<audio id="audio2" autoplay="autoplay" controls="controls"></audio>
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<br><br>
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<button id="btn1" onclick="call()">Call</button>
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<button id="btn2" onclick="hangup()">Hang Up</button>
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<br><br>
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<script>
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btn1.disabled = false;
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btn2.disabled = true;
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var pc1,pc2;
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var localstream;
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var sdpConstraints = {'mandatory': {
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'OfferToReceiveAudio':true,
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'OfferToReceiveVideo':false }};
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function gotStream(stream){
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trace("Received local stream");
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// Call the polyfill wrapper to attach the media stream to this element.
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localstream = stream;
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audioTracks = localstream.getAudioTracks();
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if (audioTracks.length > 0)
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trace('Using Audio device: ' + audioTracks[0].label);
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pc1.addStream(localstream);
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trace("Adding Local Stream to peer connection");
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pc1.createOffer(gotDescription1);
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}
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function call() {
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btn1.disabled = true;
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btn2.disabled = false;
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trace("Starting call");
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var servers = null;
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var pc_constraints = {"optional": []};
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pc1 = new RTCPeerConnection(servers,pc_constraints);
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trace("Created local peer connection object pc1");
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pc1.onicecandidate = iceCallback1;
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pc2 = new RTCPeerConnection(servers,pc_constraints);
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trace("Created remote peer connection object pc2");
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pc2.onicecandidate = iceCallback2;
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pc2.onaddstream = gotRemoteStream;
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trace("Requesting local stream");
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// Call into getUserMedia via the polyfill (adapter.js).
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getUserMedia({audio:true, video:false},
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gotStream, function() {});
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}
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function gotDescription1(desc){
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pc1.setLocalDescription(desc);
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trace("Offer from pc1 \n" + desc.sdp);
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pc2.setRemoteDescription(desc);
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// Since the "remote" side has no media stream we need
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// to pass in the right constraints in order for it to
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// accept the incoming offer of audio.
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pc2.createAnswer(gotDescription2, null, sdpConstraints);
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}
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function gotDescription2(desc){
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pc2.setLocalDescription(desc);
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trace("Answer from pc2 \n" + desc.sdp);
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pc1.setRemoteDescription(desc);
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}
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function hangup() {
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trace("Ending call");
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pc1.close();
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pc2.close();
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pc1 = null;
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pc2 = null;
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btn2.disabled = true;
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btn1.disabled = false;
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}
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function gotRemoteStream(e){
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audio2.src = webkitURL.createObjectURL(e.stream);
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trace("Received remote stream");
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}
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function iceCallback1(event){
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if (event.candidate) {
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pc2.addIceCandidate(new RTCIceCandidate(event.candidate));
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trace("Local ICE candidate: \n" + event.candidate.candidate);
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}
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}
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function iceCallback2(event){
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if (event.candidate) {
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pc1.addIceCandidate(new RTCIceCandidate(event.candidate));
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trace("Remote ICE candidate: \n " + event.candidate.candidate);
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}
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}
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</script>
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</body>
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</html>
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