595 lines
15 KiB
HTML
595 lines
15 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<!--
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Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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Use of this source code is governed by a BSD-style license
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that can be found in the LICENSE file in the root of the source
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tree. An additional intellectual property rights grant can be found
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in the file PATENTS. All contributing project authors may
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be found in the AUTHORS file in the root of the source tree.
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-->
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<html>
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<head>
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<title>WebRTC Test</title>
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<style type="text/css">
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body, input, button, select, table {
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font-family:"Lucida Grande", "Lucida Sans", Verdana, Arial, sans-serif;
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font-size: 13 px;
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}
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body, input:enable, button:enable, select:enable, table {
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color: rgb(51, 51, 51);
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}
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h1 {font-size: 40 px;}
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</style>
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<script type="text/javascript">
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// TODO: Catch more exceptions
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var server;
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var myId = -1;
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var myName;
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var remoteId = -1;
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var remoteName;
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var request = null;
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var hangingGet = null;
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var pc = null;
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var localStream = null;
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var disconnecting = false;
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var callState = 0; // 0 - Not started, 1 - Call ongoing
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// General
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function toggleExtraButtons() {
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document.getElementById("createPcBtn").hidden =
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!document.getElementById("createPcBtn").hidden;
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document.getElementById("test1Btn").hidden =
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!document.getElementById("test1Btn").hidden;
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}
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function trace(txt) {
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var elem = document.getElementById("debug");
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elem.innerHTML += txt + "<br>";
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}
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function trace_warning(txt) {
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var wtxt = "<b>" + txt + "</b>";
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trace(wtxt);
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}
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function trace_exception(e, txt) {
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var etxt = "<b>" + txt + "</b> (" + e.name + " / " + e.message + ")";
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trace(etxt);
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}
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function setCallState(state) {
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trace("Changing call state: " + callState + " -> " + state);
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callState = state;
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}
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function checkPeerConnection() {
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if (!pc) {
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trace_warning("No PeerConnection object exists");
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return 0;
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}
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return 1;
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}
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// Local stream generation
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function gotStream(s) {
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var url = webkitURL.createObjectURL(s);
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document.getElementById("localView").src = url;
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trace("User has granted access to local media. url = " + url);
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localStream = s;
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}
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function gotStreamFailed(error) {
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alert("Failed to get access to local media. Error code was " + error.code +
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".");
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trace_warning("Failed to get access to local media. Error code was " +
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error.code);
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}
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function getUserMedia() {
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try {
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navigator.webkitGetUserMedia("video,audio", gotStream, gotStreamFailed);
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trace("Requested access to local media");
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} catch (e) {
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trace_exception(e, "getUserMedia error");
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}
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}
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// Peer list and remote peer handling
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function peerExists(id) {
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try {
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var peerList = document.getElementById("peers");
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for (var i = 0; i < peerList.length; i++) {
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if (parseInt(peerList.options[i].value) == id)
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return true;
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}
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} catch (e) {
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trace_exception(e, "Error searching for peer");
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}
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return false;
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}
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function addPeer(id, pname) {
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var peerList = document.getElementById("peers");
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var option = document.createElement("option");
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option.text = pname;
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option.value = id;
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try {
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// For IE earlier than version 8
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peerList.add(option, x.options[null]);
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} catch (e) {
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peerList.add(option, null);
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}
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}
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function removePeer(id) {
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try {
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var peerList = document.getElementById("peers");
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for (var i = 0; i < peerList.length; i++) {
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if (parseInt(peerList.options[i].value) == id) {
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peerList.remove(i);
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break;
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}
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}
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} catch (e) {
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trace_exception(e, "Error removing peer");
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}
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}
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function clearPeerList() {
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var peerList = document.getElementById("peers");
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while (peerList.length > 0)
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peerList.remove(0);
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}
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function setSelectedPeer(id) {
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try {
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var peerList = document.getElementById("peers");
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for (var i = 0; i < peerList.length; i++) {
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if (parseInt(peerList.options[i].value) == id) {
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peerList.options[i].selected = true;
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return true;
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}
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}
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} catch (e) {
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trace_exception(e, "Error setting selected peer");
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}
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return false;
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}
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function getPeerName(id) {
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try {
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var peerList = document.getElementById("peers");
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for (var i = 0; i < peerList.length; i++) {
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if (parseInt(peerList.options[i].value) == id) {
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return peerList.options[i].text;
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}
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}
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} catch (e) {
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trace_exception(e, "Error finding peer name");
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return;
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}
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return;
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}
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function storeRemoteInfo() {
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try {
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var peerList = document.getElementById("peers");
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if (peerList.selectedIndex < 0) {
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alert("Please select a peer.");
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return false;
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} else
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remoteId = parseInt(peerList.options[peerList.selectedIndex].value);
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remoteName = peerList.options[peerList.selectedIndex].text;
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} catch (e) {
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trace_exception(e, "Error storing remote peer info");
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return false;
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}
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return true;
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}
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// Call control
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function createPeerConnection() {
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if (pc) {
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trace_warning("PeerConnection object already exists");
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}
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trace("Creating PeerConnection object");
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try {
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pc = new webkitPeerConnection("STUN stun.l.google.com:19302",
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onSignalingMessage);
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pc.onaddstream = onAddStream;
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pc.onremovestream = onRemoveStream;
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} catch (e) {
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trace_exception(e, "Create PeerConnection error");
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}
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}
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function doCall() {
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if (!storeRemoteInfo())
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return;
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document.getElementById("call").disabled = true;
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document.getElementById("peers").disabled = true;
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createPeerConnection();
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trace("Adding stream");
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pc.addStream(localStream);
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document.getElementById("hangup").disabled = false;
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setCallState(1);
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}
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function hangUp() {
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document.getElementById("hangup").disabled = true;
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trace("Sending BYE to " + remoteName + " (ID " + remoteId + ")");
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sendToPeer(remoteId, "BYE");
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closeCall();
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}
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function closeCall() {
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trace("Stopping showing remote stream");
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document.getElementById("remoteView").src = "dummy";
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if (pc) {
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trace("Stopping call [pc.close()]");
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pc.close();
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pc = null;
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} else
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trace("No pc object to close");
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remoteId = -1;
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document.getElementById("call").disabled = false;
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document.getElementById("peers").disabled = false;
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setCallState(0);
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}
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// PeerConnection callbacks
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function onAddStream(e) {
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var stream = e.stream;
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var url = webkitURL.createObjectURL(stream);
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document.getElementById("remoteView").src = url;
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trace("Started showing remote stream. url = " + url);
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}
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function onRemoveStream(e) {
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// Currently if we get this callback, call has ended.
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document.getElementById("remoteView").src = "";
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trace("Stopped showing remote stream");
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}
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function onSignalingMessage(msg) {
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trace("Sending message to " + remoteName + " (ID " + remoteId + "):\n" + msg);
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sendToPeer(remoteId, msg);
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}
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// TODO: Add callbacks onconnecting, onopen and onstatechange.
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// Server interaction
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function handleServerNotification(data) {
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trace("Server notification: " + data);
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var parsed = data.split(",");
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if (parseInt(parsed[2]) == 1) { // New peer
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var peerId = parseInt(parsed[1]);
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if (!peerExists(peerId)) {
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var peerList = document.getElementById("peers");
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if (peerList.length == 1 && peerList.options[0].value == -1)
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clearPeerList();
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addPeer(peerId, parsed[0]);
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document.getElementById("peers").disabled = false;
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document.getElementById("call").disabled = false;
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}
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} else if (parseInt(parsed[2]) == 0) { // Removed peer
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removePeer(parseInt(parsed[1]));
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if (document.getElementById("peers").length == 0) {
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document.getElementById("peers").disabled = true;
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addPeer(-1, "No other peer connected");
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}
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}
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}
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function handlePeerMessage(peer_id, msg) {
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var peerName = getPeerName(peer_id);
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if (peerName == undefined) {
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trace_warning("Received message from unknown peer (ID " + peer_id +
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"), ignoring message:");
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trace(msg);
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return;
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}
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trace("Received message from " + peerName + " (ID " + peer_id + "):\n" + msg);
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// Assuming we receive the message from the peer we want to communicate with.
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// TODO: Only accept messages from peer we communicate with with if call is
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// ongoing.
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if (msg.search("BYE") == 0) {
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// Other side has hung up.
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document.getElementById("hangup").disabled = true;
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closeCall()
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} else {
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if (!pc) {
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// Other side is calling us, startup
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if (!setSelectedPeer(peer_id)) {
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trace_warning("Recevied message from unknown peer, ignoring");
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return;
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}
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if (!storeRemoteInfo())
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return;
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document.getElementById("call").disabled = true;
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document.getElementById("peers").disabled = true;
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createPeerConnection();
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try {
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pc.processSignalingMessage(msg);
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} catch (e) {
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trace_exception(e, "Process signaling message error");
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}
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trace("Adding stream");
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pc.addStream(localStream);
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document.getElementById("hangup").disabled = false;
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} else {
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try {
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pc.processSignalingMessage(msg);
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} catch (e) {
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trace_exception(e, "Process signaling message error");
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}
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}
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}
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}
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function getIntHeader(r, name) {
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var val = r.getResponseHeader(name);
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trace("header value: " + val);
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return val != null && val.length ? parseInt(val) : -1;
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}
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function hangingGetCallback() {
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try {
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if (hangingGet.readyState != 4 || disconnecting)
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return;
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if (hangingGet.status != 200) {
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trace_warning("server error, status: " + hangingGet.status + ", text: " +
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hangingGet.statusText);
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disconnect();
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} else {
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var peer_id = getIntHeader(hangingGet, "Pragma");
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if (peer_id == myId) {
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handleServerNotification(hangingGet.responseText);
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} else {
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handlePeerMessage(peer_id, hangingGet.responseText);
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}
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}
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if (hangingGet) {
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hangingGet.abort();
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hangingGet = null;
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}
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if (myId != -1)
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window.setTimeout(startHangingGet, 0);
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} catch (e) {
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trace_exception(e, "Hanging get error");
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}
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}
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function onHangingGetTimeout() {
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trace("hanging get timeout. issuing again");
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hangingGet.abort();
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hangingGet = null;
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if (myId != -1)
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window.setTimeout(startHangingGet, 0);
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}
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function startHangingGet() {
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try {
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hangingGet = new XMLHttpRequest();
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hangingGet.onreadystatechange = hangingGetCallback;
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hangingGet.ontimeout = onHangingGetTimeout;
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hangingGet.open("GET", server + "/wait?peer_id=" + myId, true);
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hangingGet.send();
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} catch (e) {
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trace_exception(e, "Start hanging get error");
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}
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}
|
||
|
|
|
||
|
|
function sendToPeer(peer_id, data) {
|
||
|
|
if (myId == -1) {
|
||
|
|
alert("Not connected.");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (peer_id == myId) {
|
||
|
|
alert("Can't send a message to oneself.");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var r = new XMLHttpRequest();
|
||
|
|
r.open("POST", server + "/message?peer_id=" + myId + "&to=" + peer_id, false);
|
||
|
|
r.setRequestHeader("Content-Type", "text/plain");
|
||
|
|
r.send(data);
|
||
|
|
r = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
function signInCallback() {
|
||
|
|
try {
|
||
|
|
if (request.readyState == 4) {
|
||
|
|
if (request.status == 200) {
|
||
|
|
var peers = request.responseText.split("\n");
|
||
|
|
myId = parseInt(peers[0].split(",")[1]);
|
||
|
|
trace("My id: " + myId);
|
||
|
|
clearPeerList();
|
||
|
|
var added = 0;
|
||
|
|
for (var i = 1; i < peers.length; ++i) {
|
||
|
|
if (peers[i].length > 0) {
|
||
|
|
trace("Peer " + i + ": " + peers[i]);
|
||
|
|
var parsed = peers[i].split(",");
|
||
|
|
addPeer(parseInt(parsed[1]), parsed[0]);
|
||
|
|
++added;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (added == 0)
|
||
|
|
addPeer(-1, "No other peer connected");
|
||
|
|
else {
|
||
|
|
document.getElementById("peers").disabled = false;
|
||
|
|
document.getElementById("call").disabled = false;
|
||
|
|
}
|
||
|
|
startHangingGet();
|
||
|
|
request = null;
|
||
|
|
document.getElementById("connect").disabled = true;
|
||
|
|
document.getElementById("disconnect").disabled = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
trace_exception(e, "Sign in error");
|
||
|
|
document.getElementById("connect").disabled = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function signIn() {
|
||
|
|
try {
|
||
|
|
request = new XMLHttpRequest();
|
||
|
|
request.onreadystatechange = signInCallback;
|
||
|
|
request.open("GET", server + "/sign_in?" + myName, true);
|
||
|
|
request.send();
|
||
|
|
} catch (e) {
|
||
|
|
trace_exception(e, "Start sign in error");
|
||
|
|
document.getElementById("connect").disabled = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function connect() {
|
||
|
|
myName = document.getElementById("local").value.toLowerCase();
|
||
|
|
server = document.getElementById("server").value.toLowerCase();
|
||
|
|
if (myName.length == 0) {
|
||
|
|
alert("I need a name please.");
|
||
|
|
document.getElementById("local").focus();
|
||
|
|
} else {
|
||
|
|
// TODO: Disable connect button here, but we need a timeout and check if we
|
||
|
|
// have connected, if so enable it again.
|
||
|
|
signIn();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function disconnect() {
|
||
|
|
if (callState == 1)
|
||
|
|
hangUp();
|
||
|
|
|
||
|
|
disconnecting = true;
|
||
|
|
|
||
|
|
if (request) {
|
||
|
|
request.abort();
|
||
|
|
request = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hangingGet) {
|
||
|
|
hangingGet.abort();
|
||
|
|
hangingGet = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (myId != -1) {
|
||
|
|
request = new XMLHttpRequest();
|
||
|
|
request.open("GET", server + "/sign_out?peer_id=" + myId, false);
|
||
|
|
request.send();
|
||
|
|
request = null;
|
||
|
|
myId = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
clearPeerList();
|
||
|
|
addPeer(-1, "Not connected");
|
||
|
|
document.getElementById("connect").disabled = false;
|
||
|
|
document.getElementById("disconnect").disabled = true;
|
||
|
|
document.getElementById("peers").disabled = true;
|
||
|
|
document.getElementById("call").disabled = true;
|
||
|
|
|
||
|
|
disconnecting = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Window event handling
|
||
|
|
|
||
|
|
window.onload = getUserMedia;
|
||
|
|
window.onbeforeunload = disconnect;
|
||
|
|
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body>
|
||
|
|
<h1>WebRTC</h1>
|
||
|
|
You must have a WebRTC capable browser in order to make calls using this test
|
||
|
|
page.<br>
|
||
|
|
|
||
|
|
<table border="0">
|
||
|
|
<tr>
|
||
|
|
<td>Local Preview</td>
|
||
|
|
<td>Remote Video</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>
|
||
|
|
<video width="320" height="240" id="localView" autoplay="autoplay"></video>
|
||
|
|
</td>
|
||
|
|
<td>
|
||
|
|
<video width="640" height="480" id="remoteView" autoplay="autoplay"></video>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<table border="0">
|
||
|
|
<tr>
|
||
|
|
<td valign="top">
|
||
|
|
<table border="0" cellpaddning="0" cellspacing="0">
|
||
|
|
<tr>
|
||
|
|
<td>Server:</td>
|
||
|
|
<td>
|
||
|
|
<input type="text" id="server" size="30" value="http://localhost:8888"/>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>Name:</td><td><input type="text" id="local" size="30" value="name"/></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</td>
|
||
|
|
<td valign="top">
|
||
|
|
<button id="connect" onclick="connect();">Connect</button><br>
|
||
|
|
<button id="disconnect" onclick="disconnect();" disabled="true">Disconnect
|
||
|
|
</button>
|
||
|
|
</td>
|
||
|
|
<td> </td>
|
||
|
|
<td valign="top">
|
||
|
|
Connected peers:<br>
|
||
|
|
<select id="peers" size="5" disabled="true">
|
||
|
|
<option value="-1">Not connected</option>
|
||
|
|
</select>
|
||
|
|
</td>
|
||
|
|
<td valign="top">
|
||
|
|
<!--input type="text" id="peer_id" size="3" value="1"/><br-->
|
||
|
|
<button id="call" onclick="doCall();" disabled="true">Call</button><br>
|
||
|
|
<button id="hangup" onclick="hangUp();" disabled="true">Hang up</button><br>
|
||
|
|
</td>
|
||
|
|
<td> </td>
|
||
|
|
<td valign="top">
|
||
|
|
<button onclick="toggleExtraButtons();">Toggle extra buttons (debug)</button>
|
||
|
|
<br>
|
||
|
|
<button id="createPcBtn" onclick="createPeerConnection();" hidden="true">
|
||
|
|
Create peer connection</button>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<button onclick="document.getElementById('debug').innerHTML='';">Clear log
|
||
|
|
</button>
|
||
|
|
<pre id="debug"></pre>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|
||
|
|
|