2013-03-04 19:57:09 +01:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<title>PeerConnection Audio Only Demo 1</title>
|
|
|
|
|
<!-- Load the polyfill to switch-hit between Chrome and Firefox -->
|
2013-03-05 03:04:07 +01:00
|
|
|
<script src="../../base/adapter.js"></script>
|
2013-03-04 19:57:09 +01:00
|
|
|
<style>
|
|
|
|
|
button {
|
|
|
|
|
font: 18px sans-serif;
|
|
|
|
|
padding: 8px;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<h2>Local-Audio</h2>
|
|
|
|
|
<audio id="audio1" autoplay="autoplay" controls="controls" muted="true"></audio>
|
|
|
|
|
<h2>Remote-Audio</h2>
|
|
|
|
|
<audio id="audio2" autoplay="autoplay" controls="controls"></audio>
|
|
|
|
|
<br><br>
|
|
|
|
|
<button id="btn1" onclick="call()">Call</button>
|
|
|
|
|
<button id="btn2" onclick="hangup()">Hang Up</button>
|
|
|
|
|
<br><br>
|
|
|
|
|
<script>
|
|
|
|
|
btn1.disabled = false;
|
|
|
|
|
btn2.disabled = true;
|
|
|
|
|
var pc1,pc2;
|
|
|
|
|
var localstream;
|
|
|
|
|
var sdpConstraints = {'mandatory': {
|
|
|
|
|
'OfferToReceiveAudio':true,
|
|
|
|
|
'OfferToReceiveVideo':false }};
|
|
|
|
|
|
|
|
|
|
function gotStream(stream){
|
|
|
|
|
trace("Received local stream");
|
|
|
|
|
// Call the polyfill wrapper to attach the media stream to this element.
|
|
|
|
|
localstream = stream;
|
|
|
|
|
audioTracks = localstream.getAudioTracks();
|
|
|
|
|
if (audioTracks.length > 0)
|
|
|
|
|
trace('Using Audio device: ' + audioTracks[0].label);
|
|
|
|
|
pc1.addStream(localstream);
|
|
|
|
|
trace("Adding Local Stream to peer connection");
|
|
|
|
|
|
|
|
|
|
pc1.createOffer(gotDescription1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function call() {
|
|
|
|
|
btn1.disabled = true;
|
|
|
|
|
btn2.disabled = false;
|
|
|
|
|
trace("Starting call");
|
|
|
|
|
var servers = null;
|
|
|
|
|
var pc_constraints = {"optional": []};
|
|
|
|
|
pc1 = new RTCPeerConnection(servers,pc_constraints);
|
|
|
|
|
trace("Created local peer connection object pc1");
|
|
|
|
|
pc1.onicecandidate = iceCallback1;
|
|
|
|
|
pc2 = new RTCPeerConnection(servers,pc_constraints);
|
|
|
|
|
trace("Created remote peer connection object pc2");
|
|
|
|
|
pc2.onicecandidate = iceCallback2;
|
|
|
|
|
pc2.onaddstream = gotRemoteStream;
|
|
|
|
|
trace("Requesting local stream");
|
|
|
|
|
// Call into getUserMedia via the polyfill (adapter.js).
|
|
|
|
|
getUserMedia({audio:true, video:false},
|
|
|
|
|
gotStream, function() {});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function gotDescription1(desc){
|
|
|
|
|
pc1.setLocalDescription(desc);
|
|
|
|
|
trace("Offer from pc1 \n" + desc.sdp);
|
|
|
|
|
pc2.setRemoteDescription(desc);
|
|
|
|
|
// 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.
|
|
|
|
|
pc2.createAnswer(gotDescription2, null, sdpConstraints);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function gotDescription2(desc){
|
|
|
|
|
pc2.setLocalDescription(desc);
|
|
|
|
|
trace("Answer from pc2 \n" + desc.sdp);
|
|
|
|
|
pc1.setRemoteDescription(desc);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function hangup() {
|
|
|
|
|
trace("Ending call");
|
|
|
|
|
pc1.close();
|
|
|
|
|
pc2.close();
|
|
|
|
|
pc1 = null;
|
|
|
|
|
pc2 = null;
|
|
|
|
|
btn2.disabled = true;
|
|
|
|
|
btn1.disabled = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function gotRemoteStream(e){
|
|
|
|
|
audio2.src = webkitURL.createObjectURL(e.stream);
|
|
|
|
|
trace("Received remote stream");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function iceCallback1(event){
|
|
|
|
|
if (event.candidate) {
|
|
|
|
|
pc2.addIceCandidate(new RTCIceCandidate(event.candidate));
|
|
|
|
|
trace("Local ICE candidate: \n" + event.candidate.candidate);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function iceCallback2(event){
|
|
|
|
|
if (event.candidate) {
|
|
|
|
|
pc1.addIceCandidate(new RTCIceCandidate(event.candidate));
|
|
|
|
|
trace("Remote ICE candidate: \n " + event.candidate.candidate);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
