2013-03-04 19:57:09 +01:00
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<title>PeerConnection DTMF 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;
|
|
|
|
|
}
|
|
|
|
|
#left { position: absolute; left: 20; top: 0; width: 50%; }
|
|
|
|
|
#right { position: absolute; right: 0; top: 0; width: 50%; }
|
|
|
|
|
</style>
|
|
|
|
|
</head>
|
|
|
|
|
<body onload="onload()">
|
|
|
|
|
<div id="left">
|
|
|
|
|
<audio id="audio1" autoplay="autoplay" muted="true"></audio>
|
|
|
|
|
<h3>Send Dtmf Tones</h3>
|
|
|
|
|
<div id="dialingPad"></div>
|
|
|
|
|
<br><br>
|
|
|
|
|
duration:
|
2013-03-07 22:59:23 +01:00
|
|
|
<input type="text" id="dtmf-tones-duration" size="10" value="500"/>
|
2013-03-04 19:57:09 +01:00
|
|
|
<br><br>
|
|
|
|
|
tone-gap:
|
|
|
|
|
<input type="text" id="dtmf-tones-gap" size="10" value="50"/>
|
|
|
|
|
<br><br>
|
|
|
|
|
tones:
|
2013-03-07 22:59:23 +01:00
|
|
|
<input type="text" id="dtmf-tones" size="10"
|
|
|
|
|
value="1199##9,6633221,9966332,9966332,1199##9,6633221"/>
|
2013-03-04 19:57:09 +01:00
|
|
|
<button id="sendTones"
|
|
|
|
|
onclick="sendTone(document.getElementById('dtmf-tones').value)">Send tones
|
|
|
|
|
</button>
|
|
|
|
|
<br><br>
|
|
|
|
|
<button id="callBtn" onclick="call()">Call</button>
|
|
|
|
|
<button id="hangBtn" onclick="hangup()">Hang Up</button>
|
|
|
|
|
<br><br>
|
|
|
|
|
</div>
|
|
|
|
|
<div id="right">
|
|
|
|
|
<audio id="audio2" autoplay="autoplay"></audio>
|
|
|
|
|
<h3>Sent Tones</h3>
|
|
|
|
|
<textarea id="dtmfTonesSent" rows="12" cols="40" disabled="true">
|
|
|
|
|
</textarea><br>
|
|
|
|
|
</div>
|
|
|
|
|
<script>
|
|
|
|
|
callBtn.disabled = false;
|
|
|
|
|
hangBtn.disabled = true;
|
|
|
|
|
sendTones.disabled = true;
|
|
|
|
|
var pc1 = null,pc2 = null;
|
|
|
|
|
var localstream = null;
|
|
|
|
|
var dtmfSender = null;
|
|
|
|
|
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() {
|
|
|
|
|
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() {});
|
|
|
|
|
|
|
|
|
|
callBtn.disabled = true;
|
|
|
|
|
hangBtn.disabled = false;
|
|
|
|
|
sendTones.disabled = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
localstream = null;
|
|
|
|
|
dtmfSender = null;
|
|
|
|
|
callBtn.disabled = false;
|
|
|
|
|
hangBtn.disabled = true;
|
|
|
|
|
sendTones.disabled = true;
|
|
|
|
|
document.getElementById("dtmfTonesSent").value = "Dtmf de-activated\n";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function gotRemoteStream(e){
|
|
|
|
|
audio2.src = webkitURL.createObjectURL(e.stream);
|
|
|
|
|
trace("Received remote stream");
|
|
|
|
|
enableDtmfSender();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function enableDtmfSender(){
|
|
|
|
|
document.getElementById("dtmfTonesSent").value = "Dtmf activated\n";
|
|
|
|
|
if (localstream != null) {
|
|
|
|
|
var local_audio_track = localstream.getAudioTracks()[0];
|
|
|
|
|
dtmfSender = pc1.createDTMFSender(local_audio_track);
|
|
|
|
|
trace("Created DTMF Sender\n");
|
|
|
|
|
dtmfSender.ontonechange = dtmfOnToneChange;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
trace("No Local Stream to create DTMF Sender\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function dtmfOnToneChange(tone){
|
|
|
|
|
if (tone) {
|
|
|
|
|
trace("Sent Dtmf tone: \t" + tone.tone);
|
|
|
|
|
document.getElementById("dtmfTonesSent").value += tone.tone + '\t';
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function sendTone(tones){
|
|
|
|
|
if (dtmfSender) {
|
|
|
|
|
duration = document.getElementById("dtmf-tones-duration").value;
|
|
|
|
|
gap = document.getElementById("dtmf-tones-gap").value;
|
|
|
|
|
dtmfSender.insertDTMF(tones, duration, gap);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function createDialingPad() {
|
|
|
|
|
var tones = '1234567890*#ABCD';
|
|
|
|
|
var dialingPad = document.getElementById('dialingPad');
|
|
|
|
|
for (var i = 0; i < tones.length; ++i) {
|
|
|
|
|
var tone = tones.charAt(i);
|
|
|
|
|
dialingPad.innerHTML += '<button id="' +
|
|
|
|
|
tone + '" onclick="sendTone(\'' + tone +
|
|
|
|
|
'\')" style="height:40px; width: 30px">' + tone + '</button>';
|
|
|
|
|
if ((i + 1) % 4 == 0) {
|
|
|
|
|
dialingPad.innerHTML += '<br>';
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function onload() {
|
|
|
|
|
createDialingPad();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
