+ *
+ * jquery.verto.js - Main interface
+ *
+ */
+
+(function($) {
+ var sources = [];
+
+ var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
+ function() {
+ // If we have a cryptographically secure PRNG, use that
+ // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
+ var buf = new Uint16Array(8);
+ window.crypto.getRandomValues(buf);
+ var S4 = function(num) {
+ var ret = num.toString(16);
+ while (ret.length < 4) {
+ ret = "0" + ret;
+ }
+ return ret;
+ };
+ return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
+ }
+
+ :
+
+ function() {
+ // Otherwise, just use Math.random
+ // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
+ return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+ var r = Math.random() * 16 | 0,
+ v = c == 'x' ? r : (r & 0x3 | 0x8);
+ return v.toString(16);
+ });
+ };
+
+ /// MASTER OBJ
+ $.verto = function(options, callbacks) {
+ var verto = this;
+
+ $.verto.saved.push(verto);
+
+ verto.options = $.extend({
+ login: null,
+ passwd: null,
+ socketUrl: null,
+ tag: null,
+ localTag: null,
+ videoParams: {},
+ audioParams: {},
+ loginParams: {},
+ deviceParams: {onResCheck: null},
+ userVariables: {},
+ iceServers: false,
+ ringSleep: 6000,
+ sessid: null,
+ useStream: null
+ }, options);
+
+ if (verto.options.deviceParams.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
+ }
+
+ if (!verto.options.deviceParams.useMic) {
+ verto.options.deviceParams.useMic = "any";
+ }
+
+ if (!verto.options.deviceParams.useSpeak) {
+ verto.options.deviceParams.useSpeak = "any";
+ }
+
+ if (verto.options.sessid) {
+ verto.sessid = verto.options.sessid;
+ } else {
+ verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
+ localStorage.setItem("verto_session_uuid", verto.sessid);
+ }
+
+ verto.dialogs = {};
+ verto.callbacks = callbacks || {};
+ verto.eventSUBS = {};
+
+ verto.rpcClient = new $.JsonRpcClient({
+ login: verto.options.login,
+ passwd: verto.options.passwd,
+ socketUrl: verto.options.socketUrl,
+ wsFallbackURL: verto.options.wsFallbackURL,
+ turnServer: verto.options.turnServer,
+ loginParams: verto.options.loginParams,
+ userVariables: verto.options.userVariables,
+ sessid: verto.sessid,
+ onmessage: function(e) {
+ return verto.handleMessage(e.eventData);
+ },
+ onWSConnect: function(o) {
+ o.call('login', {});
+ },
+ onWSLogin: function(success) {
+ if (verto.callbacks.onWSLogin) {
+ verto.callbacks.onWSLogin(verto, success);
+ }
+ },
+ onWSClose: function(success) {
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, success);
+ }
+ verto.purge();
+ }
+ });
+
+ var tag = verto.options.tag;
+ if (typeof(tag) === "function") {
+ tag = tag();
+ }
+
+ if (verto.options.ringFile && verto.options.tag) {
+ verto.ringer = $("#" + tag);
+ }
+
+ verto.rpcClient.call('login', {});
+
+ };
+
+
+ $.verto.prototype.deviceParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.deviceParams[i] = obj[i];
+ }
+
+ if (obj.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
+ }
+ };
+
+ $.verto.prototype.videoParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.videoParams[i] = obj[i];
+ }
+ };
+
+ $.verto.prototype.iceServers = function(obj) {
+ var verto = this;
+ verto.options.iceServers = obj;
+ };
+
+ $.verto.prototype.loginData = function(params) {
+ var verto = this;
+ verto.options.login = params.login;
+ verto.options.passwd = params.passwd;
+ verto.rpcClient.loginData(params);
+ };
+
+ $.verto.prototype.logout = function(msg) {
+ var verto = this;
+ verto.rpcClient.closeSocket();
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, false);
+ }
+ verto.purge();
+ };
+
+ $.verto.prototype.login = function(msg) {
+ var verto = this;
+ verto.logout();
+ verto.rpcClient.call('login', {});
+ };
+
+ $.verto.prototype.message = function(msg) {
+ var verto = this;
+ var err = 0;
+
+ if (!msg.to) {
+ console.error("Missing To");
+ err++;
+ }
+
+ if (!msg.body) {
+ console.error("Missing Body");
+ err++;
+ }
+
+ if (err) {
+ return false;
+ }
+
+ verto.sendMethod("verto.info", {
+ msg: msg
+ });
+
+ return true;
+ };
+
+ $.verto.prototype.processReply = function(method, success, e) {
+ var verto = this;
+ var i;
+
+ //console.log("Response: " + method, success, e);
+
+ switch (method) {
+ case "verto.subscribe":
+ for (i in e.unauthorizedChannels) {
+ drop_bad(verto, e.unauthorizedChannels[i]);
+ }
+ for (i in e.subscribedChannels) {
+ mark_ready(verto, e.subscribedChannels[i]);
+ }
+
+ break;
+ case "verto.unsubscribe":
+ //console.error(e);
+ break;
+ }
+ };
+
+ $.verto.prototype.sendMethod = function(method, params) {
+ var verto = this;
+
+ verto.rpcClient.call(method, params,
+
+ function(e) {
+ /* Success */
+ verto.processReply(method, true, e);
+ },
+
+ function(e) {
+ /* Error */
+ verto.processReply(method, false, e);
+ });
+ };
+
+ function do_sub(verto, channel, obj) {
+
+ }
+
+ function drop_bad(verto, channel) {
+ console.error("drop unauthorized channel: " + channel);
+ delete verto.eventSUBS[channel];
+ }
+
+ function mark_ready(verto, channel) {
+ for (var j in verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel][j].ready = true;
+ console.log("subscribed to channel: " + channel);
+ if (verto.eventSUBS[channel][j].readyHandler) {
+ verto.eventSUBS[channel][j].readyHandler(verto, channel);
+ }
+ }
+ }
+
+ var SERNO = 1;
+
+ function do_subscribe(verto, channel, subChannels, sparams) {
+ var params = sparams || {};
+
+ var local = params.local;
+
+ var obj = {
+ eventChannel: channel,
+ userData: params.userData,
+ handler: params.handler,
+ ready: false,
+ readyHandler: params.readyHandler,
+ serno: SERNO++
+ };
+
+ var isnew = false;
+
+ if (!verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel] = [];
+ subChannels.push(channel);
+ isnew = true;
+ }
+
+ verto.eventSUBS[channel].push(obj);
+
+ if (local) {
+ obj.ready = true;
+ obj.local = true;
+ }
+
+ if (!isnew && verto.eventSUBS[channel][0].ready) {
+ obj.ready = true;
+ if (obj.readyHandler) {
+ obj.readyHandler(verto, channel);
+ }
+ }
+
+ return {
+ serno: obj.serno,
+ eventChannel: channel
+ };
+
+ }
+
+ $.verto.prototype.subscribe = function(channel, sparams) {
+ var verto = this;
+ var r = [];
+ var subChannels = [];
+ var params = sparams || {};
+
+ if (typeof(channel) === "string") {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ } else {
+ for (var i in channel) {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ }
+ }
+
+ if (subChannels.length) {
+ verto.sendMethod("verto.subscribe", {
+ eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
+ subParams: params.subParams
+ });
+ }
+
+ return r;
+ };
+
+ $.verto.prototype.unsubscribe = function(handle) {
+ var verto = this;
+ var i;
+
+ if (!handle) {
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ verto.unsubscribe(verto.eventSUBS[i]);
+ }
+ }
+ } else {
+ var unsubChannels = {};
+ var sendChannels = [];
+ var channel;
+
+ if (typeof(handle) == "string") {
+ delete verto.eventSUBS[handle];
+ unsubChannels[handle]++;
+ } else {
+ for (i in handle) {
+ if (typeof(handle[i]) == "string") {
+ channel = handle[i];
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ } else {
+ var repl = [];
+ channel = handle[i].eventChannel;
+
+ for (var j in verto.eventSUBS[channel]) {
+ if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
+ repl.push(verto.eventSUBS[channel][j]);
+ }
+ }
+
+ verto.eventSUBS[channel] = repl;
+
+ if (verto.eventSUBS[channel].length === 0) {
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ }
+ }
+ }
+ }
+
+ for (var u in unsubChannels) {
+ console.log("Sending Unsubscribe for: ", u);
+ sendChannels.push(u);
+ }
+
+ if (sendChannels.length) {
+ verto.sendMethod("verto.unsubscribe", {
+ eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
+ });
+ }
+ }
+ };
+
+ $.verto.prototype.broadcast = function(channel, params) {
+ var verto = this;
+ var msg = {
+ eventChannel: channel,
+ data: {}
+ };
+ for (var i in params) {
+ msg.data[i] = params[i];
+ }
+ verto.sendMethod("verto.broadcast", msg);
+ };
+
+ $.verto.prototype.purge = function(callID) {
+ var verto = this;
+ var x = 0;
+ var i;
+
+ for (i in verto.dialogs) {
+ if (!x) {
+ console.log("purging dialogs");
+ }
+ x++;
+ verto.dialogs[i].setState($.verto.enum.state.purge);
+ }
+
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ console.log("purging subscription: " + i);
+ delete verto.eventSUBS[i];
+ }
+ }
+ };
+
+ $.verto.prototype.hangup = function(callID) {
+ var verto = this;
+ if (callID) {
+ var dialog = verto.dialogs[callID];
+
+ if (dialog) {
+ dialog.hangup();
+ }
+ } else {
+ for (var i in verto.dialogs) {
+ verto.dialogs[i].hangup();
+ }
+ }
+ };
+
+ $.verto.prototype.newCall = function(args, callbacks) {
+ var verto = this;
+
+ if (!verto.rpcClient.socketReady()) {
+ console.error("Not Connected...");
+ return;
+ }
+
+ if (args["useCamera"]) {
+ verto.options.deviceParams["useCamera"] = args["useCamera"];
+ }
+
+ var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
+
+ if (callbacks) {
+ dialog.callbacks = callbacks;
+ }
+
+ dialog.invite();
+
+ return dialog;
+ };
+
+ $.verto.prototype.handleMessage = function(data) {
+ var verto = this;
+
+ if (!(data && data.method)) {
+ console.error("Invalid Data", data);
+ return;
+ }
+
+ if (data.params.callID) {
+ var dialog = verto.dialogs[data.params.callID];
+
+ if (data.method === "verto.attach" && dialog) {
+ delete dialog.verto.dialogs[dialog.callID];
+ dialog.rtc.stop();
+ dialog = null;
+ }
+
+ if (dialog) {
+
+ switch (data.method) {
+ case 'verto.bye':
+ dialog.hangup(data.params);
+ break;
+ case 'verto.answer':
+ dialog.handleAnswer(data.params);
+ break;
+ case 'verto.media':
+ dialog.handleMedia(data.params);
+ break;
+ case 'verto.display':
+ dialog.handleDisplay(data.params);
+ break;
+ case 'verto.info':
+ dialog.handleInfo(data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
+ break;
+ }
+ } else {
+
+ switch (data.method) {
+ case 'verto.attach':
+ data.params.attach = true;
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.useVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ dialog.setState($.verto.enum.state.recovering);
+
+ break;
+ case 'verto.invite':
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.wantVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
+ break;
+ }
+ }
+
+ return {
+ method: data.method
+ };
+ } else {
+ switch (data.method) {
+ case 'verto.punt':
+ verto.purge();
+ verto.logout();
+ break;
+ case 'verto.event':
+ var list = null;
+ var key = null;
+
+ if (data.params) {
+ key = data.params.eventChannel;
+ }
+
+ if (key) {
+ list = verto.eventSUBS[key];
+
+ if (!list) {
+ list = verto.eventSUBS[key.split(".")[0]];
+ }
+ }
+
+ if (!list && key && key === verto.sessid) {
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
+ }
+ } else if (!list && key && verto.dialogs[key]) {
+ verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
+ } else if (!list) {
+ if (!key) {
+ key = "UNDEFINED";
+ }
+ console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
+ } else {
+ for (var i in list) {
+ var sub = list[i];
+
+ if (!sub || !sub.ready) {
+ console.error("invalid EVENT for " + key + " IGNORED");
+ } else if (sub.handler) {
+ sub.handler(verto, data.params, sub.userData);
+ } else if (verto.callbacks.onEvent) {
+ verto.callbacks.onEvent(verto, data.params, sub.userData);
+ } else {
+ console.log("EVENT:", data.params);
+ }
+ }
+ }
+
+ break;
+
+ case "verto.info":
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
+ }
+ //console.error(data);
+ console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
+
+ break;
+
+ case 'verto.clientReady':
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
+ }
+ console.debug("CLIENT READY", data.params);
+ break;
+
+ default:
+ console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
+ break;
+ }
+ }
+ };
+
+ var del_array = function(array, name) {
+ var r = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] != name) {
+ r.push(array[i]);
+ }
+ }
+
+ return r;
+ };
+
+ var hashArray = function() {
+ var vha = this;
+
+ var hash = {};
+ var array = [];
+
+ vha.reorder = function(a) {
+ array = a;
+ var h = hash;
+ hash = {};
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ if (h[key]) {
+ hash[key] = h[key];
+ delete h[key];
+ }
+ }
+ h = undefined;
+ };
+
+ vha.clear = function() {
+ hash = undefined;
+ array = undefined;
+ hash = {};
+ array = [];
+ };
+
+ vha.add = function(name, val, insertAt) {
+ var redraw = false;
+
+ if (!hash[name]) {
+ if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
+ array.push(name);
+ } else {
+ var x = 0;
+ var n = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (x++==insertAt) {
+ n.push(name);
+ }
+ n.push(array[i]);
+ }
+
+ array = undefined;
+ array = n;
+ n = undefined;
+ redraw = true;
+ }
+ }
+
+ hash[name] = val;
+
+ return redraw;
+ };
+
+ vha.del = function(name) {
+ var r = false;
+
+ if (hash[name]) {
+ array = del_array(array, name);
+ delete hash[name];
+ r = true;
+ } else {
+ console.error("can't del nonexistant key " + name);
+ }
+
+ return r;
+ };
+
+ vha.get = function(name) {
+ return hash[name];
+ };
+
+ vha.order = function() {
+ return array;
+ };
+
+ vha.hash = function() {
+ return hash;
+ };
+
+ vha.indexOf = function(name) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] == name) {
+ return i;
+ }
+ }
+ };
+
+ vha.arrayLen = function() {
+ return array.length;
+ };
+
+ vha.asArray = function() {
+ var r = [];
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ r.push(hash[key]);
+ }
+
+ return r;
+ };
+
+ vha.each = function(cb) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ cb(array[i], hash[array[i]]);
+ }
+ };
+
+ vha.dump = function(html) {
+ var str = "";
+
+ vha.each(function(name, val) {
+ str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
+ "Stop " +
+ "Record " +
+ "Record Stop " +
+ (confMan.params.hasVid ? "PNG Snapshot " : "") +
+ "
";
+
+ jq.html(html);
+
+ $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
+ var val = $("#" + id + " option:selected").text();
+ if (val !== "none") {
+ confMan.modCommand("vid-layout", null, [val, canvas_id]);
+ }
+ };
+
+ if (confMan.params.hasVid) {
+ for (var j = 0; j < confMan.canvasCount; j++) {
+ var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
+ var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
+
+
+ var vlhtml = "Video Layout Canvas " + (j+1) +
+ "
";
+ jq.append(vlhtml);
+ }
+
+ $("#" + snapshot_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("vid-write-png", null, file);
+ }
+ });
+ }
+
+ $("#" + play_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("play", null, file);
+ }
+ });
+
+ $("#" + stop_id).click(function() {
+ confMan.modCommand("stop", null, "all");
+ });
+
+ $("#" + recording_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("recording", null, ["start", file]);
+ }
+ });
+
+ $("#" + rec_stop_id).click(function() {
+ confMan.modCommand("recording", null, ["stop", "all"]);
+ });
+
+ }
+
+ function genControls(jq, rowid) {
+ var x = parseInt(rowid);
+ var kick_id = "kick_" + x;
+ var canvas_in_next_id = "canvas_in_next_" + x;
+ var canvas_in_prev_id = "canvas_in_prev_" + x;
+ var canvas_out_next_id = "canvas_out_next_" + x;
+ var canvas_out_prev_id = "canvas_out_prev_" + x;
+
+ var canvas_in_set_id = "canvas_in_set_" + x;
+ var canvas_out_set_id = "canvas_out_set_" + x;
+
+ var layer_set_id = "layer_set_" + x;
+ var layer_next_id = "layer_next_" + x;
+ var layer_prev_id = "layer_prev_" + x;
+
+ var tmute_id = "tmute_" + x;
+ var tvmute_id = "tvmute_" + x;
+ var vbanner_id = "vbanner_" + x;
+ var tvpresenter_id = "tvpresenter_" + x;
+ var tvfloor_id = "tvfloor_" + x;
+ var box_id = "box_" + x;
+ var gainup_id = "gain_in_up" + x;
+ var gaindn_id = "gain_in_dn" + x;
+ var volup_id = "vol_in_up" + x;
+ var voldn_id = "vol_in_dn" + x;
+ var transfer_id = "transfer" + x;
+
+
+ var html = "";
+
+ html += "General Controls
Kick " +
+ "Mute " +
+ "Gain - " +
+ "Gain + " +
+ "Vol - " +
+ "Vol + " +
+ "Transfer ";
+
+ if (confMan.params.hasVid) {
+ html += "Video Controls VMute " +
+ "Presenter " +
+ "Vid Floor " +
+ "Banner ";
+
+ if (confMan.canvasCount > 1) {
+ html += "Canvas Controls Set Input Canvas " +
+ "Prev Input Canvas " +
+ "Next Input Canvas " +
+
+ "Set Watching Canvas " +
+ "Prev Watching Canvas " +
+ "Next Watching Canvas ";
+ }
+
+ html += "Set Layer " +
+ "Prev Layer " +
+ "Next Layer " +
+
+
+
+ "";
+ }
+
+ jq.html(html);
+
+
+ if (!jq.data("mouse")) {
+ $("#" + box_id).hide();
+ }
+
+ jq.mouseover(function(e) {
+ jq.data({"mouse": true});
+ $("#" + box_id).show();
+ });
+
+ jq.mouseout(function(e) {
+ jq.data({"mouse": false});
+ $("#" + box_id).hide();
+ });
+
+ $("#" + transfer_id).click(function() {
+ var xten = prompt("Enter Extension");
+ if (xten) {
+ confMan.modCommand("transfer", x, xten);
+ }
+ });
+
+ $("#" + kick_id).click(function() {
+ confMan.modCommand("kick", x);
+ });
+
+
+ $("#" + layer_set_id).click(function() {
+ var cid = prompt("Please enter layer ID", "");
+ if (cid) {
+ confMan.modCommand("vid-layer", x, cid);
+ }
+ });
+
+ $("#" + layer_next_id).click(function() {
+ confMan.modCommand("vid-layer", x, "next");
+ });
+ $("#" + layer_prev_id).click(function() {
+ confMan.modCommand("vid-layer", x, "prev");
+ });
+
+ $("#" + canvas_in_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_out_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-watching-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_in_next_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "next");
+ });
+ $("#" + canvas_in_prev_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "prev");
+ });
+
+
+ $("#" + canvas_out_next_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "next");
+ });
+ $("#" + canvas_out_prev_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "prev");
+ });
+
+ $("#" + tmute_id).click(function() {
+ confMan.modCommand("tmute", x);
+ });
+
+ if (confMan.params.hasVid) {
+ $("#" + tvmute_id).click(function() {
+ confMan.modCommand("tvmute", x);
+ });
+ $("#" + tvpresenter_id).click(function() {
+ confMan.modCommand("vid-res-id", x, "presenter");
+ });
+ $("#" + tvfloor_id).click(function() {
+ confMan.modCommand("vid-floor", x, "force");
+ });
+ $("#" + vbanner_id).click(function() {
+ var text = prompt("Please enter text", "");
+ if (text) {
+ confMan.modCommand("vid-banner", x, escape(text));
+ }
+ });
+ }
+
+ $("#" + gainup_id).click(function() {
+ confMan.modCommand("volume_in", x, "up");
+ });
+
+ $("#" + gaindn_id).click(function() {
+ confMan.modCommand("volume_in", x, "down");
+ });
+
+ $("#" + volup_id).click(function() {
+ confMan.modCommand("volume_out", x, "up");
+ });
+
+ $("#" + voldn_id).click(function() {
+ confMan.modCommand("volume_out", x, "down");
+ });
+
+ return html;
+ }
+
+ var atitle = "";
+ var awidth = 0;
+
+ //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
+
+ verto.subscribe(confMan.params.laData.infoChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.infoCallback) === "function") {
+ confMan.params.infoCallback(v,e);
+ }
+ }
+ });
+
+ verto.subscribe(confMan.params.laData.chatChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.chatCallback) === "function") {
+ confMan.params.chatCallback(v,e);
+ }
+ }
+ });
+
+ if (confMan.params.laData.role === "moderator") {
+ atitle = "Action";
+ awidth = 600;
+
+ if (confMan.params.mainModID) {
+ genMainMod($(confMan.params.mainModID));
+ $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
+ url.indexOf('?transport=udp') === -1;
+ });
+
+ delete server.url;
+ server.urls = isString ? urls[0] : urls;
+ return !!urls.length;
+ }
+ });
+}
+
+// Determines the intersection of local and remote capabilities.
+function getCommonCapabilities(localCapabilities, remoteCapabilities) {
+ var commonCapabilities = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: []
+ };
+
+ var findCodecByPayloadType = function(pt, codecs) {
+ pt = parseInt(pt, 10);
+ for (var i = 0; i < codecs.length; i++) {
+ if (codecs[i].payloadType === pt ||
+ codecs[i].preferredPayloadType === pt) {
+ return codecs[i];
+ }
+ }
+ };
+
+ var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
+ var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
+ var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
+ return lCodec && rCodec &&
+ lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
+ };
+
+ localCapabilities.codecs.forEach(function(lCodec) {
+ for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
+ var rCodec = remoteCapabilities.codecs[i];
+ if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
+ lCodec.clockRate === rCodec.clockRate) {
+ if (lCodec.name.toLowerCase() === 'rtx' &&
+ lCodec.parameters && rCodec.parameters.apt) {
+ // for RTX we need to find the local rtx that has a apt
+ // which points to the same local codec as the remote one.
+ if (!rtxCapabilityMatches(lCodec, rCodec,
+ localCapabilities.codecs, remoteCapabilities.codecs)) {
+ continue;
+ }
+ }
+ rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
+ // number of channels is the highest common number of channels
+ rCodec.numChannels = Math.min(lCodec.numChannels,
+ rCodec.numChannels);
+ // push rCodec so we reply with offerer payload type
+ commonCapabilities.codecs.push(rCodec);
+
+ // determine common feedback mechanisms
+ rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
+ for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
+ if (lCodec.rtcpFeedback[j].type === fb.type &&
+ lCodec.rtcpFeedback[j].parameter === fb.parameter) {
+ return true;
+ }
+ }
+ return false;
+ });
+ // FIXME: also need to determine .parameters
+ // see https://github.com/openpeer/ortc/issues/569
+ break;
+ }
+ }
+ });
+
+ localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
+ for (var i = 0; i < remoteCapabilities.headerExtensions.length;
+ i++) {
+ var rHeaderExtension = remoteCapabilities.headerExtensions[i];
+ if (lHeaderExtension.uri === rHeaderExtension.uri) {
+ commonCapabilities.headerExtensions.push(rHeaderExtension);
+ break;
+ }
+ }
+ });
+
+ // FIXME: fecMechanisms
+ return commonCapabilities;
+}
+
+// is action=setLocalDescription with type allowed in signalingState
+function isActionAllowedInSignalingState(action, type, signalingState) {
+ return {
+ offer: {
+ setLocalDescription: ['stable', 'have-local-offer'],
+ setRemoteDescription: ['stable', 'have-remote-offer']
+ },
+ answer: {
+ setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
+ setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
+ }
+ }[type][action].indexOf(signalingState) !== -1;
+}
+
+function maybeAddCandidate(iceTransport, candidate) {
+ // Edge's internal representation adds some fields therefore
+ // not all fieldѕ are taken into account.
+ var alreadyAdded = iceTransport.getRemoteCandidates()
+ .find(function(remoteCandidate) {
+ return candidate.foundation === remoteCandidate.foundation &&
+ candidate.ip === remoteCandidate.ip &&
+ candidate.port === remoteCandidate.port &&
+ candidate.priority === remoteCandidate.priority &&
+ candidate.protocol === remoteCandidate.protocol &&
+ candidate.type === remoteCandidate.type;
+ });
+ if (!alreadyAdded) {
+ iceTransport.addRemoteCandidate(candidate);
+ }
+ return !alreadyAdded;
+}
+
+
+// https://w3c.github.io/mediacapture-main/#mediastream
+// Helper function to add the track to the stream and
+// dispatch the event ourselves.
+function addTrackToStreamAndFireEvent(track, stream) {
+ stream.addTrack(track);
+ var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function removeTrackFromStreamAndFireEvent(track, stream) {
+ stream.removeTrack(track);
+ var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function fireAddTrack(pc, track, receiver, streams) {
+ var trackEvent = new Event('track');
+ trackEvent.track = track;
+ trackEvent.receiver = receiver;
+ trackEvent.transceiver = {receiver: receiver};
+ trackEvent.streams = streams;
+ window.setTimeout(function() {
+ pc._dispatchEvent('track', trackEvent);
+ });
+}
+
+function makeError(name, description) {
+ var e = new Error(description);
+ e.name = name;
+ return e;
+}
+
+module.exports = function(window, edgeVersion) {
+ var RTCPeerConnection = function(config) {
+ var pc = this;
+
+ var _eventTarget = document.createDocumentFragment();
+ ['addEventListener', 'removeEventListener', 'dispatchEvent']
+ .forEach(function(method) {
+ pc[method] = _eventTarget[method].bind(_eventTarget);
+ });
+
+ this.canTrickleIceCandidates = null;
+
+ this.needNegotiation = false;
+
+ this.localStreams = [];
+ this.remoteStreams = [];
+
+ this.localDescription = null;
+ this.remoteDescription = null;
+
+ this.signalingState = 'stable';
+ this.iceConnectionState = 'new';
+ this.iceGatheringState = 'new';
+
+ config = JSON.parse(JSON.stringify(config || {}));
+
+ this.usingBundle = config.bundlePolicy === 'max-bundle';
+ if (config.rtcpMuxPolicy === 'negotiate') {
+ throw(makeError('NotSupportedError',
+ 'rtcpMuxPolicy \'negotiate\' is not supported'));
+ } else if (!config.rtcpMuxPolicy) {
+ config.rtcpMuxPolicy = 'require';
+ }
+
+ switch (config.iceTransportPolicy) {
+ case 'all':
+ case 'relay':
+ break;
+ default:
+ config.iceTransportPolicy = 'all';
+ break;
+ }
+
+ switch (config.bundlePolicy) {
+ case 'balanced':
+ case 'max-compat':
+ case 'max-bundle':
+ break;
+ default:
+ config.bundlePolicy = 'balanced';
+ break;
+ }
+
+ config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
+
+ this._iceGatherers = [];
+ if (config.iceCandidatePoolSize) {
+ for (var i = config.iceCandidatePoolSize; i > 0; i--) {
+ this._iceGatherers = new window.RTCIceGatherer({
+ iceServers: config.iceServers,
+ gatherPolicy: config.iceTransportPolicy
+ });
+ }
+ } else {
+ config.iceCandidatePoolSize = 0;
+ }
+
+ this._config = config;
+
+ // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
+ // everything that is needed to describe a SDP m-line.
+ this.transceivers = [];
+
+ this._sdpSessionId = SDPUtils.generateSessionId();
+ this._sdpSessionVersion = 0;
+
+ this._dtlsRole = undefined; // role for a=setup to use in answers.
+
+ this._isClosed = false;
+ };
+
+ // set up event handlers on prototype
+ RTCPeerConnection.prototype.onicecandidate = null;
+ RTCPeerConnection.prototype.onaddstream = null;
+ RTCPeerConnection.prototype.ontrack = null;
+ RTCPeerConnection.prototype.onremovestream = null;
+ RTCPeerConnection.prototype.onsignalingstatechange = null;
+ RTCPeerConnection.prototype.oniceconnectionstatechange = null;
+ RTCPeerConnection.prototype.onicegatheringstatechange = null;
+ RTCPeerConnection.prototype.onnegotiationneeded = null;
+ RTCPeerConnection.prototype.ondatachannel = null;
+
+ RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
+ if (this._isClosed) {
+ return;
+ }
+ this.dispatchEvent(event);
+ if (typeof this['on' + name] === 'function') {
+ this['on' + name](event);
+ }
+ };
+
+ RTCPeerConnection.prototype._emitGatheringStateChange = function() {
+ var event = new Event('icegatheringstatechange');
+ this._dispatchEvent('icegatheringstatechange', event);
+ };
+
+ RTCPeerConnection.prototype.getConfiguration = function() {
+ return this._config;
+ };
+
+ RTCPeerConnection.prototype.getLocalStreams = function() {
+ return this.localStreams;
+ };
+
+ RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this.remoteStreams;
+ };
+
+ // internal helper to create a transceiver object.
+ // (whih is not yet the same as the WebRTC 1.0 transceiver)
+ RTCPeerConnection.prototype._createTransceiver = function(kind) {
+ var hasBundleTransport = this.transceivers.length > 0;
+ var transceiver = {
+ track: null,
+ iceGatherer: null,
+ iceTransport: null,
+ dtlsTransport: null,
+ localCapabilities: null,
+ remoteCapabilities: null,
+ rtpSender: null,
+ rtpReceiver: null,
+ kind: kind,
+ mid: null,
+ sendEncodingParameters: null,
+ recvEncodingParameters: null,
+ stream: null,
+ associatedRemoteMediaStreams: [],
+ wantReceive: true
+ };
+ if (this.usingBundle && hasBundleTransport) {
+ transceiver.iceTransport = this.transceivers[0].iceTransport;
+ transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
+ } else {
+ var transports = this._createIceAndDtlsTransports();
+ transceiver.iceTransport = transports.iceTransport;
+ transceiver.dtlsTransport = transports.dtlsTransport;
+ }
+ this.transceivers.push(transceiver);
+ return transceiver;
+ };
+
+ RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var alreadyExists = this.transceivers.find(function(s) {
+ return s.track === track;
+ });
+
+ if (alreadyExists) {
+ throw makeError('InvalidAccessError', 'Track already exists.');
+ }
+
+ if (this.signalingState === 'closed') {
+ throw makeError('InvalidStateError',
+ 'Attempted to call addTrack on a closed peerconnection.');
+ }
+
+ var transceiver;
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (!this.transceivers[i].track &&
+ this.transceivers[i].kind === track.kind) {
+ transceiver = this.transceivers[i];
+ }
+ }
+ if (!transceiver) {
+ transceiver = this._createTransceiver(track.kind);
+ }
+
+ this._maybeFireNegotiationNeeded();
+
+ if (this.localStreams.indexOf(stream) === -1) {
+ this.localStreams.push(stream);
+ }
+
+ transceiver.track = track;
+ transceiver.stream = stream;
+ transceiver.rtpSender = new window.RTCRtpSender(track,
+ transceiver.dtlsTransport);
+ return transceiver.rtpSender;
+ };
+
+ RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ if (edgeVersion >= 15025) {
+ stream.getTracks().forEach(function(track) {
+ pc.addTrack(track, stream);
+ });
+ } else {
+ // Clone is necessary for local demos mostly, attaching directly
+ // to two different senders does not work (build 10547).
+ // Fixed in 15025 (or earlier)
+ var clonedStream = stream.clone();
+ stream.getTracks().forEach(function(track, idx) {
+ var clonedTrack = clonedStream.getTracks()[idx];
+ track.addEventListener('enabled', function(event) {
+ clonedTrack.enabled = event.enabled;
+ });
+ });
+ clonedStream.getTracks().forEach(function(track) {
+ pc.addTrack(track, clonedStream);
+ });
+ }
+ };
+
+ RTCPeerConnection.prototype.removeTrack = function(sender) {
+ if (!(sender instanceof window.RTCRtpSender)) {
+ throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.');
+ }
+
+ var transceiver = this.transceivers.find(function(t) {
+ return t.rtpSender === sender;
+ });
+
+ if (!transceiver) {
+ throw makeError('InvalidAccessError',
+ 'Sender was not created by this connection.');
+ }
+ var stream = transceiver.stream;
+
+ transceiver.rtpSender.stop();
+ transceiver.rtpSender = null;
+ transceiver.track = null;
+ transceiver.stream = null;
+
+ // remove the stream from the set of local streams
+ var localStreams = this.transceivers.map(function(t) {
+ return t.stream;
+ });
+ if (localStreams.indexOf(stream) === -1 &&
+ this.localStreams.indexOf(stream) > -1) {
+ this.localStreams.splice(this.localStreams.indexOf(stream), 1);
+ }
+
+ this._maybeFireNegotiationNeeded();
+ };
+
+ RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ var sender = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+
+ RTCPeerConnection.prototype.getSenders = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpSender;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpSender;
+ });
+ };
+
+ RTCPeerConnection.prototype.getReceivers = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpReceiver;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpReceiver;
+ });
+ };
+
+
+ RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
+ usingBundle) {
+ var pc = this;
+ if (usingBundle && sdpMLineIndex > 0) {
+ return this.transceivers[0].iceGatherer;
+ } else if (this._iceGatherers.length) {
+ return this._iceGatherers.shift();
+ }
+ var iceGatherer = new window.RTCIceGatherer({
+ iceServers: this._config.iceServers,
+ gatherPolicy: this._config.iceTransportPolicy
+ });
+ Object.defineProperty(iceGatherer, 'state',
+ {value: 'new', writable: true}
+ );
+
+ this.transceivers[sdpMLineIndex].candidates = [];
+ this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
+ var end = !event.candidate || Object.keys(event.candidate).length === 0;
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ iceGatherer.state = end ? 'completed' : 'gathering';
+ if (pc.transceivers[sdpMLineIndex].candidates !== null) {
+ pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
+ }
+ };
+ iceGatherer.addEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ return iceGatherer;
+ };
+
+ // start gathering from an RTCIceGatherer.
+ RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
+ var pc = this;
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer.onlocalcandidate) {
+ return;
+ }
+ var candidates = this.transceivers[sdpMLineIndex].candidates;
+ this.transceivers[sdpMLineIndex].candidates = null;
+ iceGatherer.removeEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ iceGatherer.onlocalcandidate = function(evt) {
+ if (pc.usingBundle && sdpMLineIndex > 0) {
+ // if we know that we use bundle we can drop candidates with
+ // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
+ // confused since we dispose the extra ice gatherer.
+ return;
+ }
+ var event = new Event('icecandidate');
+ event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
+
+ var cand = evt.candidate;
+ // Edge emits an empty object for RTCIceCandidateComplete‥
+ var end = !cand || Object.keys(cand).length === 0;
+ if (end) {
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
+ iceGatherer.state = 'completed';
+ }
+ } else {
+ if (iceGatherer.state === 'new') {
+ iceGatherer.state = 'gathering';
+ }
+ // RTCIceCandidate doesn't have a component, needs to be added
+ cand.component = 1;
+ event.candidate.candidate = SDPUtils.writeCandidate(cand);
+ }
+
+ // update local description.
+ var sections = SDPUtils.splitSections(pc.localDescription.sdp);
+ if (!end) {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=' + event.candidate.candidate + '\r\n';
+ } else {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=end-of-candidates\r\n';
+ }
+ pc.localDescription.sdp = sections.join('');
+ var complete = pc.transceivers.every(function(transceiver) {
+ return transceiver.iceGatherer &&
+ transceiver.iceGatherer.state === 'completed';
+ });
+
+ if (pc.iceGatheringState !== 'gathering') {
+ pc.iceGatheringState = 'gathering';
+ pc._emitGatheringStateChange();
+ }
+
+ // Emit candidate. Also emit null candidate when all gatherers are
+ // complete.
+ if (!end) {
+ pc._dispatchEvent('icecandidate', event);
+ }
+ if (complete) {
+ pc._dispatchEvent('icecandidate', new Event('icecandidate'));
+ pc.iceGatheringState = 'complete';
+ pc._emitGatheringStateChange();
+ }
+ };
+
+ // emit already gathered candidates.
+ window.setTimeout(function() {
+ candidates.forEach(function(candidate) {
+ var e = new Event('RTCIceGatherEvent');
+ e.candidate = candidate;
+ iceGatherer.onlocalcandidate(e);
+ });
+ }, 0);
+ };
+
+ // Create ICE transport and DTLS transport.
+ RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
+ var pc = this;
+ var iceTransport = new window.RTCIceTransport(null);
+ iceTransport.onicestatechange = function() {
+ pc._updateConnectionState();
+ };
+
+ var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
+ dtlsTransport.ondtlsstatechange = function() {
+ pc._updateConnectionState();
+ };
+ dtlsTransport.onerror = function() {
+ // onerror does not set state to failed by itpc.
+ Object.defineProperty(dtlsTransport, 'state',
+ {value: 'failed', writable: true});
+ pc._updateConnectionState();
+ };
+
+ return {
+ iceTransport: iceTransport,
+ dtlsTransport: dtlsTransport
+ };
+ };
+
+ // Destroy ICE gatherer, ICE transport and DTLS transport.
+ // Without triggering the callbacks.
+ RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
+ sdpMLineIndex) {
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer) {
+ delete iceGatherer.onlocalcandidate;
+ delete this.transceivers[sdpMLineIndex].iceGatherer;
+ }
+ var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
+ if (iceTransport) {
+ delete iceTransport.onicestatechange;
+ delete this.transceivers[sdpMLineIndex].iceTransport;
+ }
+ var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
+ if (dtlsTransport) {
+ delete dtlsTransport.ondtlsstatechange;
+ delete dtlsTransport.onerror;
+ delete this.transceivers[sdpMLineIndex].dtlsTransport;
+ }
+ };
+
+ // Start the RTP Sender and Receiver for a transceiver.
+ RTCPeerConnection.prototype._transceive = function(transceiver,
+ send, recv) {
+ var params = getCommonCapabilities(transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+ if (send && transceiver.rtpSender) {
+ params.encodings = transceiver.sendEncodingParameters;
+ params.rtcp = {
+ cname: SDPUtils.localCName,
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.recvEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpSender.send(params);
+ }
+ if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
+ // remove RTX field in Edge 14942
+ if (transceiver.kind === 'video'
+ && transceiver.recvEncodingParameters
+ && edgeVersion < 15019) {
+ transceiver.recvEncodingParameters.forEach(function(p) {
+ delete p.rtx;
+ });
+ }
+ if (transceiver.recvEncodingParameters.length) {
+ params.encodings = transceiver.recvEncodingParameters;
+ }
+ params.rtcp = {
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.rtcpParameters.cname) {
+ params.rtcp.cname = transceiver.rtcpParameters.cname;
+ }
+ if (transceiver.sendEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpReceiver.receive(params);
+ }
+ };
+
+ RTCPeerConnection.prototype.setLocalDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setLocalDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set local ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var sections;
+ var sessionpart;
+ if (description.type === 'offer') {
+ // VERY limited support for SDP munging. Limited to:
+ // * changing the order of codecs
+ sections = SDPUtils.splitSections(description.sdp);
+ sessionpart = sections.shift();
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var caps = SDPUtils.parseRtpParameters(mediaSection);
+ pc.transceivers[sdpMLineIndex].localCapabilities = caps;
+ });
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ });
+ } else if (description.type === 'answer') {
+ sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
+ sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var transceiver = pc.transceivers[sdpMLineIndex];
+ var iceGatherer = transceiver.iceGatherer;
+ var iceTransport = transceiver.iceTransport;
+ var dtlsTransport = transceiver.dtlsTransport;
+ var localCapabilities = transceiver.localCapabilities;
+ var remoteCapabilities = transceiver.remoteCapabilities;
+
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+
+ if (!rejected && !transceiver.isDatachannel) {
+ var remoteIceParameters = SDPUtils.getIceParameters(
+ mediaSection, sessionpart);
+ var remoteDtlsParameters = SDPUtils.getDtlsParameters(
+ mediaSection, sessionpart);
+ if (isIceLite) {
+ remoteDtlsParameters.role = 'server';
+ }
+
+ if (!pc.usingBundle || sdpMLineIndex === 0) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ isIceLite ? 'controlling' : 'controlled');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var params = getCommonCapabilities(localCapabilities,
+ remoteCapabilities);
+
+ // Start the RTCRtpSender. The RTCRtpReceiver for this
+ // transceiver has already been started in setRemoteDescription.
+ pc._transceive(transceiver,
+ params.codecs.length > 0,
+ false);
+ }
+ });
+ }
+
+ this.localDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-local-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.setRemoteDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setRemoteDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set remote ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var streams = {};
+ this.remoteStreams.forEach(function(stream) {
+ streams[stream.id] = stream;
+ });
+ var receiverList = [];
+ var sections = SDPUtils.splitSections(description.sdp);
+ var sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ var usingBundle = SDPUtils.matchPrefix(sessionpart,
+ 'a=group:BUNDLE ').length > 0;
+ this.usingBundle = usingBundle;
+ var iceOptions = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-options:')[0];
+ if (iceOptions) {
+ this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
+ .indexOf('trickle') >= 0;
+ } else {
+ this.canTrickleIceCandidates = false;
+ }
+
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var kind = SDPUtils.getKind(mediaSection);
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+ var protocol = lines[0].substr(2).split(' ')[2];
+
+ var direction = SDPUtils.getDirection(mediaSection, sessionpart);
+ var remoteMsid = SDPUtils.parseMsid(mediaSection);
+
+ var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
+
+ // Reject datachannels which are not implemented yet.
+ if (kind === 'application' && protocol === 'DTLS/SCTP') {
+ pc.transceivers[sdpMLineIndex] = {
+ mid: mid,
+ isDatachannel: true
+ };
+ return;
+ }
+
+ var transceiver;
+ var iceGatherer;
+ var iceTransport;
+ var dtlsTransport;
+ var rtpReceiver;
+ var sendEncodingParameters;
+ var recvEncodingParameters;
+ var localCapabilities;
+
+ var track;
+ // FIXME: ensure the mediaSection has rtcp-mux set.
+ var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
+ var remoteIceParameters;
+ var remoteDtlsParameters;
+ if (!rejected) {
+ remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters.role = 'client';
+ }
+ recvEncodingParameters =
+ SDPUtils.parseRtpEncodingParameters(mediaSection);
+
+ var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
+
+ var isComplete = SDPUtils.matchPrefix(mediaSection,
+ 'a=end-of-candidates', sessionpart).length > 0;
+ var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
+ .map(function(cand) {
+ return SDPUtils.parseCandidate(cand);
+ })
+ .filter(function(cand) {
+ return cand.component === 1;
+ });
+
+ // Check if we can use BUNDLE and dispose transports.
+ if ((description.type === 'offer' || description.type === 'answer') &&
+ !rejected && usingBundle && sdpMLineIndex > 0 &&
+ pc.transceivers[sdpMLineIndex]) {
+ pc._disposeIceAndDtlsTransports(sdpMLineIndex);
+ pc.transceivers[sdpMLineIndex].iceGatherer =
+ pc.transceivers[0].iceGatherer;
+ pc.transceivers[sdpMLineIndex].iceTransport =
+ pc.transceivers[0].iceTransport;
+ pc.transceivers[sdpMLineIndex].dtlsTransport =
+ pc.transceivers[0].dtlsTransport;
+ if (pc.transceivers[sdpMLineIndex].rtpSender) {
+ pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
+ pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ }
+ if (description.type === 'offer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex] ||
+ pc._createTransceiver(kind);
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ usingBundle);
+ }
+
+ if (cands.length && transceiver.iceTransport.state === 'new') {
+ if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
+ transceiver.iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
+
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+
+ sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 2) * 1001
+ }];
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ var isNewTrack = false;
+ if (direction === 'sendrecv' || direction === 'sendonly') {
+ isNewTrack = !transceiver.rtpReceiver;
+ rtpReceiver = transceiver.rtpReceiver ||
+ new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
+
+ if (isNewTrack) {
+ var stream;
+ track = rtpReceiver.track;
+ // FIXME: does not work with Plan B.
+ if (remoteMsid && remoteMsid.stream === '-') {
+ // no-op. a stream id of '-' means: no associated stream.
+ } else if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ Object.defineProperty(streams[remoteMsid.stream], 'id', {
+ get: function() {
+ return remoteMsid.stream;
+ }
+ });
+ }
+ Object.defineProperty(track, 'id', {
+ get: function() {
+ return remoteMsid.track;
+ }
+ });
+ stream = streams[remoteMsid.stream];
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ stream = streams.default;
+ }
+ if (stream) {
+ addTrackToStreamAndFireEvent(track, stream);
+ transceiver.associatedRemoteMediaStreams.push(stream);
+ }
+ receiverList.push([track, rtpReceiver, stream]);
+ }
+ } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
+ transceiver.associatedRemoteMediaStreams.forEach(function(s) {
+ var nativeTrack = s.getTracks().find(function(t) {
+ return t.id === transceiver.rtpReceiver.track.id;
+ });
+ if (nativeTrack) {
+ removeTrackFromStreamAndFireEvent(nativeTrack, s);
+ }
+ });
+ transceiver.associatedRemoteMediaStreams = [];
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.remoteCapabilities = remoteCapabilities;
+ transceiver.rtpReceiver = rtpReceiver;
+ transceiver.rtcpParameters = rtcpParameters;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ transceiver.recvEncodingParameters = recvEncodingParameters;
+
+ // Start the RTCRtpReceiver now. The RTPSender is started in
+ // setLocalDescription.
+ pc._transceive(pc.transceivers[sdpMLineIndex],
+ false,
+ isNewTrack);
+ } else if (description.type === 'answer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex];
+ iceGatherer = transceiver.iceGatherer;
+ iceTransport = transceiver.iceTransport;
+ dtlsTransport = transceiver.dtlsTransport;
+ rtpReceiver = transceiver.rtpReceiver;
+ sendEncodingParameters = transceiver.sendEncodingParameters;
+ localCapabilities = transceiver.localCapabilities;
+
+ pc.transceivers[sdpMLineIndex].recvEncodingParameters =
+ recvEncodingParameters;
+ pc.transceivers[sdpMLineIndex].remoteCapabilities =
+ remoteCapabilities;
+ pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
+
+ if (cands.length && iceTransport.state === 'new') {
+ if ((isIceLite || isComplete) &&
+ (!usingBundle || sdpMLineIndex === 0)) {
+ iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ if (!usingBundle || sdpMLineIndex === 0) {
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ 'controlling');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ pc._transceive(transceiver,
+ direction === 'sendrecv' || direction === 'recvonly',
+ direction === 'sendrecv' || direction === 'sendonly');
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ if (rtpReceiver &&
+ (direction === 'sendrecv' || direction === 'sendonly')) {
+ track = rtpReceiver.track;
+ if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
+ receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams.default);
+ receiverList.push([track, rtpReceiver, streams.default]);
+ }
+ } else {
+ // FIXME: actually the receiver should be created later.
+ delete transceiver.rtpReceiver;
+ }
+ }
+ });
+
+ if (this._dtlsRole === undefined) {
+ this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
+ }
+
+ this.remoteDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-remote-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+ Object.keys(streams).forEach(function(sid) {
+ var stream = streams[sid];
+ if (stream.getTracks().length) {
+ if (pc.remoteStreams.indexOf(stream) === -1) {
+ pc.remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ window.setTimeout(function() {
+ pc._dispatchEvent('addstream', event);
+ });
+ }
+
+ receiverList.forEach(function(item) {
+ var track = item[0];
+ var receiver = item[1];
+ if (stream.id !== item[2].id) {
+ return;
+ }
+ fireAddTrack(pc, track, receiver, [stream]);
+ });
+ }
+ });
+ receiverList.forEach(function(item) {
+ if (item[2]) {
+ return;
+ }
+ fireAddTrack(pc, item[0], item[1], []);
+ });
+
+ // check whether addIceCandidate({}) was called within four seconds after
+ // setRemoteDescription.
+ window.setTimeout(function() {
+ if (!(pc && pc.transceivers)) {
+ return;
+ }
+ pc.transceivers.forEach(function(transceiver) {
+ if (transceiver.iceTransport &&
+ transceiver.iceTransport.state === 'new' &&
+ transceiver.iceTransport.getRemoteCandidates().length > 0) {
+ console.warn('Timeout for addRemoteCandidate. Consider sending ' +
+ 'an end-of-candidates notification');
+ transceiver.iceTransport.addRemoteCandidate({});
+ }
+ });
+ }, 4000);
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.close = function() {
+ this.transceivers.forEach(function(transceiver) {
+ /* not yet
+ if (transceiver.iceGatherer) {
+ transceiver.iceGatherer.close();
+ }
+ */
+ if (transceiver.iceTransport) {
+ transceiver.iceTransport.stop();
+ }
+ if (transceiver.dtlsTransport) {
+ transceiver.dtlsTransport.stop();
+ }
+ if (transceiver.rtpSender) {
+ transceiver.rtpSender.stop();
+ }
+ if (transceiver.rtpReceiver) {
+ transceiver.rtpReceiver.stop();
+ }
+ });
+ // FIXME: clean up tracks, local streams, remote streams, etc
+ this._isClosed = true;
+ this._updateSignalingState('closed');
+ };
+
+ // Update the signaling state.
+ RTCPeerConnection.prototype._updateSignalingState = function(newState) {
+ this.signalingState = newState;
+ var event = new Event('signalingstatechange');
+ this._dispatchEvent('signalingstatechange', event);
+ };
+
+ // Determine whether to fire the negotiationneeded event.
+ RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
+ var pc = this;
+ if (this.signalingState !== 'stable' || this.needNegotiation === true) {
+ return;
+ }
+ this.needNegotiation = true;
+ window.setTimeout(function() {
+ if (pc.needNegotiation === false) {
+ return;
+ }
+ pc.needNegotiation = false;
+ var event = new Event('negotiationneeded');
+ pc._dispatchEvent('negotiationneeded', event);
+ }, 0);
+ };
+
+ // Update the connection state.
+ RTCPeerConnection.prototype._updateConnectionState = function() {
+ var newState;
+ var states = {
+ 'new': 0,
+ closed: 0,
+ connecting: 0,
+ checking: 0,
+ connected: 0,
+ completed: 0,
+ disconnected: 0,
+ failed: 0
+ };
+ this.transceivers.forEach(function(transceiver) {
+ states[transceiver.iceTransport.state]++;
+ states[transceiver.dtlsTransport.state]++;
+ });
+ // ICETransport.completed and connected are the same for this purpose.
+ states.connected += states.completed;
+
+ newState = 'new';
+ if (states.failed > 0) {
+ newState = 'failed';
+ } else if (states.connecting > 0 || states.checking > 0) {
+ newState = 'connecting';
+ } else if (states.disconnected > 0) {
+ newState = 'disconnected';
+ } else if (states.new > 0) {
+ newState = 'new';
+ } else if (states.connected > 0 || states.completed > 0) {
+ newState = 'connected';
+ }
+
+ if (newState !== this.iceConnectionState) {
+ this.iceConnectionState = newState;
+ var event = new Event('iceconnectionstatechange');
+ this._dispatchEvent('iceconnectionstatechange', event);
+ }
+ };
+
+ RTCPeerConnection.prototype.createOffer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createOffer after close'));
+ }
+
+ var numAudioTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'audio';
+ }).length;
+ var numVideoTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'video';
+ }).length;
+
+ // Determine number of audio and video tracks we need to send/recv.
+ var offerOptions = arguments[0];
+ if (offerOptions) {
+ // Reject Chrome legacy constraints.
+ if (offerOptions.mandatory || offerOptions.optional) {
+ throw new TypeError(
+ 'Legacy mandatory/optional constraints not supported.');
+ }
+ if (offerOptions.offerToReceiveAudio !== undefined) {
+ if (offerOptions.offerToReceiveAudio === true) {
+ numAudioTracks = 1;
+ } else if (offerOptions.offerToReceiveAudio === false) {
+ numAudioTracks = 0;
+ } else {
+ numAudioTracks = offerOptions.offerToReceiveAudio;
+ }
+ }
+ if (offerOptions.offerToReceiveVideo !== undefined) {
+ if (offerOptions.offerToReceiveVideo === true) {
+ numVideoTracks = 1;
+ } else if (offerOptions.offerToReceiveVideo === false) {
+ numVideoTracks = 0;
+ } else {
+ numVideoTracks = offerOptions.offerToReceiveVideo;
+ }
+ }
+ }
+
+ this.transceivers.forEach(function(transceiver) {
+ if (transceiver.kind === 'audio') {
+ numAudioTracks--;
+ if (numAudioTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ } else if (transceiver.kind === 'video') {
+ numVideoTracks--;
+ if (numVideoTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ }
+ });
+
+ // Create M-lines for recvonly streams.
+ while (numAudioTracks > 0 || numVideoTracks > 0) {
+ if (numAudioTracks > 0) {
+ this._createTransceiver('audio');
+ numAudioTracks--;
+ }
+ if (numVideoTracks > 0) {
+ this._createTransceiver('video');
+ numVideoTracks--;
+ }
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ // For each track, create an ice gatherer, ice transport,
+ // dtls transport, potentially rtpsender and rtpreceiver.
+ var track = transceiver.track;
+ var kind = transceiver.kind;
+ var mid = SDPUtils.generateIdentifier();
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ pc.usingBundle);
+ }
+
+ var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+ localCapabilities.codecs.forEach(function(codec) {
+ // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
+ // by adding level-asymmetry-allowed=1
+ if (codec.name === 'H264' &&
+ codec.parameters['level-asymmetry-allowed'] === undefined) {
+ codec.parameters['level-asymmetry-allowed'] = '1';
+ }
+ });
+
+ // generate an ssrc now, to be used later in rtpSender.send
+ var sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 1) * 1001
+ }];
+ if (track) {
+ // add RTX
+ if (edgeVersion >= 15019 && kind === 'video' &&
+ !sendEncodingParameters[0].rtx) {
+ sendEncodingParameters[0].rtx = {
+ ssrc: sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+
+ if (transceiver.wantReceive) {
+ transceiver.rtpReceiver = new window.RTCRtpReceiver(
+ transceiver.dtlsTransport, kind);
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ });
+
+ // always offer BUNDLE and dispose on return if not supported.
+ if (this._config.bundlePolicy !== 'max-compat') {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ sdp += 'a=ice-options:trickle\r\n';
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
+ 'offer', transceiver.stream, pc._dtlsRole);
+ sdp += 'a=rtcp-rsize\r\n';
+
+ if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
+ (sdpMLineIndex === 0 || !pc.usingBundle)) {
+ transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
+ cand.component = 1;
+ sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
+ });
+
+ if (transceiver.iceGatherer.state === 'completed') {
+ sdp += 'a=end-of-candidates\r\n';
+ }
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'offer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.createAnswer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createAnswer after close'));
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ if (this.usingBundle) {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ var mediaSectionsInOffer = SDPUtils.splitSections(
+ this.remoteDescription.sdp).length - 1;
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
+ return;
+ }
+ if (transceiver.isDatachannel) {
+ sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
+ 'c=IN IP4 0.0.0.0\r\n' +
+ 'a=mid:' + transceiver.mid + '\r\n';
+ return;
+ }
+
+ // FIXME: look at direction.
+ if (transceiver.stream) {
+ var localTrack;
+ if (transceiver.kind === 'audio') {
+ localTrack = transceiver.stream.getAudioTracks()[0];
+ } else if (transceiver.kind === 'video') {
+ localTrack = transceiver.stream.getVideoTracks()[0];
+ }
+ if (localTrack) {
+ // add RTX
+ if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
+ !transceiver.sendEncodingParameters[0].rtx) {
+ transceiver.sendEncodingParameters[0].rtx = {
+ ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var commonCapabilities = getCommonCapabilities(
+ transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+
+ var hasRtx = commonCapabilities.codecs.filter(function(c) {
+ return c.name.toLowerCase() === 'rtx';
+ }).length;
+ if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
+ delete transceiver.sendEncodingParameters[0].rtx;
+ }
+
+ sdp += writeMediaSection(transceiver, commonCapabilities,
+ 'answer', transceiver.stream, pc._dtlsRole);
+ if (transceiver.rtcpParameters &&
+ transceiver.rtcpParameters.reducedSize) {
+ sdp += 'a=rtcp-rsize\r\n';
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'answer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
+ var sections;
+ if (!candidate || candidate.candidate === '') {
+ for (var j = 0; j < this.transceivers.length; j++) {
+ if (this.transceivers[j].isDatachannel) {
+ continue;
+ }
+ this.transceivers[j].iceTransport.addRemoteCandidate({});
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[j + 1] += 'a=end-of-candidates\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ if (this.usingBundle) {
+ break;
+ }
+ }
+ } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
+ throw new TypeError('sdpMLineIndex or sdpMid required');
+ } else if (!this.remoteDescription) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not add ICE candidate without a remote description'));
+ } else {
+ var sdpMLineIndex = candidate.sdpMLineIndex;
+ if (candidate.sdpMid) {
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (this.transceivers[i].mid === candidate.sdpMid) {
+ sdpMLineIndex = i;
+ break;
+ }
+ }
+ }
+ var transceiver = this.transceivers[sdpMLineIndex];
+ if (transceiver) {
+ if (transceiver.isDatachannel) {
+ return Promise.resolve();
+ }
+ var cand = Object.keys(candidate.candidate).length > 0 ?
+ SDPUtils.parseCandidate(candidate.candidate) : {};
+ // Ignore Chrome's invalid candidates since Edge does not like them.
+ if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
+ return Promise.resolve();
+ }
+ // Ignore RTCP candidates, we assume RTCP-MUX.
+ if (cand.component && cand.component !== 1) {
+ return Promise.resolve();
+ }
+ // when using bundle, avoid adding candidates to the wrong
+ // ice transport. And avoid adding candidates added in the SDP.
+ if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
+ transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
+ if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+
+ // update the remoteDescription.
+ var candidateString = candidate.candidate.trim();
+ if (candidateString.indexOf('a=') === 0) {
+ candidateString = candidateString.substr(2);
+ }
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[sdpMLineIndex + 1] += 'a=' +
+ (cand.type ? candidateString : 'end-of-candidates')
+ + '\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ } else {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.getStats = function() {
+ var promises = [];
+ this.transceivers.forEach(function(transceiver) {
+ ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
+ 'dtlsTransport'].forEach(function(method) {
+ if (transceiver[method]) {
+ promises.push(transceiver[method].getStats());
+ }
+ });
+ });
+ var fixStatsType = function(stat) {
+ return {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[stat.type] || stat.type;
+ };
+ return new Promise(function(resolve) {
+ // shim getStats with maplike support
+ var results = new Map();
+ Promise.all(promises).then(function(res) {
+ res.forEach(function(result) {
+ Object.keys(result).forEach(function(id) {
+ result[id].type = fixStatsType(result[id]);
+ results.set(id, result[id]);
+ });
+ });
+ resolve(results);
+ });
+ });
+ };
+
+ // legacy callback shims. Should be moved to adapter.js some days.
+ var methods = ['createOffer', 'createAnswer'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[0] === 'function' ||
+ typeof args[1] === 'function') { // legacy
+ return nativeMethod.apply(this, [arguments[2]])
+ .then(function(description) {
+ if (typeof args[0] === 'function') {
+ args[0].apply(null, [description]);
+ }
+ }, function(error) {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function' ||
+ typeof args[2] === 'function') { // legacy
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ }, function(error) {
+ if (typeof args[2] === 'function') {
+ args[2].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // getStats is special. It doesn't have a spec legacy method yet we support
+ // getStats(something, cb) without error callbacks.
+ ['getStats'].forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function') {
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ return RTCPeerConnection;
+};
+
+},{"sdp":2}],2:[function(require,module,exports){
+ /* eslint-env node */
+'use strict';
+
+// SDP helpers.
+var SDPUtils = {};
+
+// Generate an alphanumeric identifier for cname or mids.
+// TODO: use UUIDs instead? https://gist.github.com/jed/982883
+SDPUtils.generateIdentifier = function() {
+ return Math.random().toString(36).substr(2, 10);
+};
+
+// The RTCP CNAME used by all peerconnections from the same JS.
+SDPUtils.localCName = SDPUtils.generateIdentifier();
+
+// Splits SDP into lines, dealing with both CRLF and LF.
+SDPUtils.splitLines = function(blob) {
+ return blob.trim().split('\n').map(function(line) {
+ return line.trim();
+ });
+};
+// Splits SDP into sessionpart and mediasections. Ensures CRLF.
+SDPUtils.splitSections = function(blob) {
+ var parts = blob.split('\nm=');
+ return parts.map(function(part, index) {
+ return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
+ });
+};
+
+// Returns lines that start with a certain prefix.
+SDPUtils.matchPrefix = function(blob, prefix) {
+ return SDPUtils.splitLines(blob).filter(function(line) {
+ return line.indexOf(prefix) === 0;
+ });
+};
+
+// Parses an ICE candidate line. Sample input:
+// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
+// rport 55996"
+SDPUtils.parseCandidate = function(line) {
+ var parts;
+ // Parse both variants.
+ if (line.indexOf('a=candidate:') === 0) {
+ parts = line.substring(12).split(' ');
+ } else {
+ parts = line.substring(10).split(' ');
+ }
+
+ var candidate = {
+ foundation: parts[0],
+ component: parseInt(parts[1], 10),
+ protocol: parts[2].toLowerCase(),
+ priority: parseInt(parts[3], 10),
+ ip: parts[4],
+ port: parseInt(parts[5], 10),
+ // skip parts[6] == 'typ'
+ type: parts[7]
+ };
+
+ for (var i = 8; i < parts.length; i += 2) {
+ switch (parts[i]) {
+ case 'raddr':
+ candidate.relatedAddress = parts[i + 1];
+ break;
+ case 'rport':
+ candidate.relatedPort = parseInt(parts[i + 1], 10);
+ break;
+ case 'tcptype':
+ candidate.tcpType = parts[i + 1];
+ break;
+ case 'ufrag':
+ candidate.ufrag = parts[i + 1]; // for backward compability.
+ candidate.usernameFragment = parts[i + 1];
+ break;
+ default: // extension handling, in particular ufrag
+ candidate[parts[i]] = parts[i + 1];
+ break;
+ }
+ }
+ return candidate;
+};
+
+// Translates a candidate object into SDP candidate attribute.
+SDPUtils.writeCandidate = function(candidate) {
+ var sdp = [];
+ sdp.push(candidate.foundation);
+ sdp.push(candidate.component);
+ sdp.push(candidate.protocol.toUpperCase());
+ sdp.push(candidate.priority);
+ sdp.push(candidate.ip);
+ sdp.push(candidate.port);
+
+ var type = candidate.type;
+ sdp.push('typ');
+ sdp.push(type);
+ if (type !== 'host' && candidate.relatedAddress &&
+ candidate.relatedPort) {
+ sdp.push('raddr');
+ sdp.push(candidate.relatedAddress); // was: relAddr
+ sdp.push('rport');
+ sdp.push(candidate.relatedPort); // was: relPort
+ }
+ if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
+ sdp.push('tcptype');
+ sdp.push(candidate.tcpType);
+ }
+ if (candidate.ufrag) {
+ sdp.push('ufrag');
+ sdp.push(candidate.ufrag);
+ }
+ return 'candidate:' + sdp.join(' ');
+};
+
+// Parses an ice-options line, returns an array of option tags.
+// a=ice-options:foo bar
+SDPUtils.parseIceOptions = function(line) {
+ return line.substr(14).split(' ');
+}
+
+// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
+// a=rtpmap:111 opus/48000/2
+SDPUtils.parseRtpMap = function(line) {
+ var parts = line.substr(9).split(' ');
+ var parsed = {
+ payloadType: parseInt(parts.shift(), 10) // was: id
+ };
+
+ parts = parts[0].split('/');
+
+ parsed.name = parts[0];
+ parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
+ // was: channels
+ parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
+ return parsed;
+};
+
+// Generate an a=rtpmap line from RTCRtpCodecCapability or
+// RTCRtpCodecParameters.
+SDPUtils.writeRtpMap = function(codec) {
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
+ (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
+};
+
+// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
+// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
+// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
+SDPUtils.parseExtmap = function(line) {
+ var parts = line.substr(9).split(' ');
+ return {
+ id: parseInt(parts[0], 10),
+ direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
+ uri: parts[1]
+ };
+};
+
+// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
+// RTCRtpHeaderExtension.
+SDPUtils.writeExtmap = function(headerExtension) {
+ return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
+ (headerExtension.direction && headerExtension.direction !== 'sendrecv'
+ ? '/' + headerExtension.direction
+ : '') +
+ ' ' + headerExtension.uri + '\r\n';
+};
+
+// Parses an ftmp line, returns dictionary. Sample input:
+// a=fmtp:96 vbr=on;cng=on
+// Also deals with vbr=on; cng=on
+SDPUtils.parseFmtp = function(line) {
+ var parsed = {};
+ var kv;
+ var parts = line.substr(line.indexOf(' ') + 1).split(';');
+ for (var j = 0; j < parts.length; j++) {
+ kv = parts[j].trim().split('=');
+ parsed[kv[0].trim()] = kv[1];
+ }
+ return parsed;
+};
+
+// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeFmtp = function(codec) {
+ var line = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.parameters && Object.keys(codec.parameters).length) {
+ var params = [];
+ Object.keys(codec.parameters).forEach(function(param) {
+ params.push(param + '=' + codec.parameters[param]);
+ });
+ line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
+ }
+ return line;
+};
+
+// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
+// a=rtcp-fb:98 nack rpsi
+SDPUtils.parseRtcpFb = function(line) {
+ var parts = line.substr(line.indexOf(' ') + 1).split(' ');
+ return {
+ type: parts.shift(),
+ parameter: parts.join(' ')
+ };
+};
+// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeRtcpFb = function(codec) {
+ var lines = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
+ // FIXME: special handling for trr-int?
+ codec.rtcpFeedback.forEach(function(fb) {
+ lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
+ (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
+ '\r\n';
+ });
+ }
+ return lines;
+};
+
+// Parses an RFC 5576 ssrc media attribute. Sample input:
+// a=ssrc:3735928559 cname:something
+SDPUtils.parseSsrcMedia = function(line) {
+ var sp = line.indexOf(' ');
+ var parts = {
+ ssrc: parseInt(line.substr(7, sp - 7), 10)
+ };
+ var colon = line.indexOf(':', sp);
+ if (colon > -1) {
+ parts.attribute = line.substr(sp + 1, colon - sp - 1);
+ parts.value = line.substr(colon + 1);
+ } else {
+ parts.attribute = line.substr(sp + 1);
+ }
+ return parts;
+};
+
+// Extracts the MID (RFC 5888) from a media section.
+// returns the MID or undefined if no mid line was found.
+SDPUtils.getMid = function(mediaSection) {
+ var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
+ if (mid) {
+ return mid.substr(6);
+ }
+}
+
+SDPUtils.parseFingerprint = function(line) {
+ var parts = line.substr(14).split(' ');
+ return {
+ algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
+ value: parts[1]
+ };
+};
+
+// Extracts DTLS parameters from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the fingerprint line as input. See also getIceParameters.
+SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
+ 'a=fingerprint:');
+ // Note: a=setup line is ignored since we use the 'auto' role.
+ // Note2: 'algorithm' is not case sensitive except in Edge.
+ return {
+ role: 'auto',
+ fingerprints: lines.map(SDPUtils.parseFingerprint)
+ };
+};
+
+// Serializes DTLS parameters to SDP.
+SDPUtils.writeDtlsParameters = function(params, setupType) {
+ var sdp = 'a=setup:' + setupType + '\r\n';
+ params.fingerprints.forEach(function(fp) {
+ sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
+ });
+ return sdp;
+};
+// Parses ICE information from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the ice-ufrag and ice-pwd lines as input.
+SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ // Search in session part, too.
+ lines = lines.concat(SDPUtils.splitLines(sessionpart));
+ var iceParameters = {
+ usernameFragment: lines.filter(function(line) {
+ return line.indexOf('a=ice-ufrag:') === 0;
+ })[0].substr(12),
+ password: lines.filter(function(line) {
+ return line.indexOf('a=ice-pwd:') === 0;
+ })[0].substr(10)
+ };
+ return iceParameters;
+};
+
+// Serializes ICE parameters to SDP.
+SDPUtils.writeIceParameters = function(params) {
+ return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
+ 'a=ice-pwd:' + params.password + '\r\n';
+};
+
+// Parses the SDP media section and returns RTCRtpParameters.
+SDPUtils.parseRtpParameters = function(mediaSection) {
+ var description = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: [],
+ rtcp: []
+ };
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
+ var pt = mline[i];
+ var rtpmapline = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtpmap:' + pt + ' ')[0];
+ if (rtpmapline) {
+ var codec = SDPUtils.parseRtpMap(rtpmapline);
+ var fmtps = SDPUtils.matchPrefix(
+ mediaSection, 'a=fmtp:' + pt + ' ');
+ // Only the first a=fmtp: is considered.
+ codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
+ codec.rtcpFeedback = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtcp-fb:' + pt + ' ')
+ .map(SDPUtils.parseRtcpFb);
+ description.codecs.push(codec);
+ // parse FEC mechanisms from rtpmap lines.
+ switch (codec.name.toUpperCase()) {
+ case 'RED':
+ case 'ULPFEC':
+ description.fecMechanisms.push(codec.name.toUpperCase());
+ break;
+ default: // only RED and ULPFEC are recognized as FEC mechanisms.
+ break;
+ }
+ }
+ }
+ SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
+ description.headerExtensions.push(SDPUtils.parseExtmap(line));
+ });
+ // FIXME: parse rtcp.
+ return description;
+};
+
+// Generates parts of the SDP media section describing the capabilities /
+// parameters.
+SDPUtils.writeRtpDescription = function(kind, caps) {
+ var sdp = '';
+
+ // Build the mline.
+ sdp += 'm=' + kind + ' ';
+ sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
+ sdp += ' UDP/TLS/RTP/SAVPF ';
+ sdp += caps.codecs.map(function(codec) {
+ if (codec.preferredPayloadType !== undefined) {
+ return codec.preferredPayloadType;
+ }
+ return codec.payloadType;
+ }).join(' ') + '\r\n';
+
+ sdp += 'c=IN IP4 0.0.0.0\r\n';
+ sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
+
+ // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
+ caps.codecs.forEach(function(codec) {
+ sdp += SDPUtils.writeRtpMap(codec);
+ sdp += SDPUtils.writeFmtp(codec);
+ sdp += SDPUtils.writeRtcpFb(codec);
+ });
+ var maxptime = 0;
+ caps.codecs.forEach(function(codec) {
+ if (codec.maxptime > maxptime) {
+ maxptime = codec.maxptime;
+ }
+ });
+ if (maxptime > 0) {
+ sdp += 'a=maxptime:' + maxptime + '\r\n';
+ }
+ sdp += 'a=rtcp-mux\r\n';
+
+ caps.headerExtensions.forEach(function(extension) {
+ sdp += SDPUtils.writeExtmap(extension);
+ });
+ // FIXME: write fecMechanisms.
+ return sdp;
+};
+
+// Parses the SDP media section and returns an array of
+// RTCRtpEncodingParameters.
+SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
+ var encodingParameters = [];
+ var description = SDPUtils.parseRtpParameters(mediaSection);
+ var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
+ var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
+
+ // filter a=ssrc:... cname:, ignore PlanB-msid
+ var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'cname';
+ });
+ var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
+ var secondarySsrc;
+
+ var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
+ .map(function(line) {
+ var parts = line.split(' ');
+ parts.shift();
+ return parts.map(function(part) {
+ return parseInt(part, 10);
+ });
+ });
+ if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
+ secondarySsrc = flows[0][1];
+ }
+
+ description.codecs.forEach(function(codec) {
+ if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
+ var encParam = {
+ ssrc: primarySsrc,
+ codecPayloadType: parseInt(codec.parameters.apt, 10),
+ rtx: {
+ ssrc: secondarySsrc
+ }
+ };
+ encodingParameters.push(encParam);
+ if (hasRed) {
+ encParam = JSON.parse(JSON.stringify(encParam));
+ encParam.fec = {
+ ssrc: secondarySsrc,
+ mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
+ };
+ encodingParameters.push(encParam);
+ }
+ }
+ });
+ if (encodingParameters.length === 0 && primarySsrc) {
+ encodingParameters.push({
+ ssrc: primarySsrc
+ });
+ }
+
+ // we support both b=AS and b=TIAS but interpret AS as TIAS.
+ var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
+ if (bandwidth.length) {
+ if (bandwidth[0].indexOf('b=TIAS:') === 0) {
+ bandwidth = parseInt(bandwidth[0].substr(7), 10);
+ } else if (bandwidth[0].indexOf('b=AS:') === 0) {
+ // use formula from JSEP to convert b=AS to TIAS value.
+ bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
+ - (50 * 40 * 8);
+ } else {
+ bandwidth = undefined;
+ }
+ encodingParameters.forEach(function(params) {
+ params.maxBitrate = bandwidth;
+ });
+ }
+ return encodingParameters;
+};
+
+// parses http://draft.ortc.org/#rtcrtcpparameters*
+SDPUtils.parseRtcpParameters = function(mediaSection) {
+ var rtcpParameters = {};
+
+ var cname;
+ // Gets the first SSRC. Note that with RTX there might be multiple
+ // SSRCs.
+ var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(obj) {
+ return obj.attribute === 'cname';
+ })[0];
+ if (remoteSsrc) {
+ rtcpParameters.cname = remoteSsrc.value;
+ rtcpParameters.ssrc = remoteSsrc.ssrc;
+ }
+
+ // Edge uses the compound attribute instead of reducedSize
+ // compound is !reducedSize
+ var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
+ rtcpParameters.reducedSize = rsize.length > 0;
+ rtcpParameters.compound = rsize.length === 0;
+
+ // parses the rtcp-mux attrÑ–bute.
+ // Note that Edge does not support unmuxed RTCP.
+ var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
+ rtcpParameters.mux = mux.length > 0;
+
+ return rtcpParameters;
+};
+
+// parses either a=msid: or a=ssrc:... msid lines and returns
+// the id of the MediaStream and MediaStreamTrack.
+SDPUtils.parseMsid = function(mediaSection) {
+ var parts;
+ var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
+ if (spec.length === 1) {
+ parts = spec[0].substr(7).split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+ var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'msid';
+ });
+ if (planB.length > 0) {
+ parts = planB[0].value.split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+};
+
+// Generate a session ID for SDP.
+// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
+// recommends using a cryptographically random +ve 64-bit value
+// but right now this should be acceptable and within the right range
+SDPUtils.generateSessionId = function() {
+ return Math.random().toString().substr(2, 21);
+};
+
+// Write boilder plate for start of SDP
+// sessId argument is optional - if not supplied it will
+// be generated randomly
+// sessVersion is optional and defaults to 2
+SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
+ var sessionId;
+ var version = sessVer !== undefined ? sessVer : 2;
+ if (sessId) {
+ sessionId = sessId;
+ } else {
+ sessionId = SDPUtils.generateSessionId();
+ }
+ // FIXME: sess-id should be an NTP timestamp.
+ return 'v=0\r\n' +
+ 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
+ 's=-\r\n' +
+ 't=0 0\r\n';
+};
+
+SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
+ var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
+
+ // Map ICE parameters (ufrag, pwd) to SDP.
+ sdp += SDPUtils.writeIceParameters(
+ transceiver.iceGatherer.getLocalParameters());
+
+ // Map DTLS parameters to SDP.
+ sdp += SDPUtils.writeDtlsParameters(
+ transceiver.dtlsTransport.getLocalParameters(),
+ type === 'offer' ? 'actpass' : 'active');
+
+ sdp += 'a=mid:' + transceiver.mid + '\r\n';
+
+ if (transceiver.direction) {
+ sdp += 'a=' + transceiver.direction + '\r\n';
+ } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
+ sdp += 'a=sendrecv\r\n';
+ } else if (transceiver.rtpSender) {
+ sdp += 'a=sendonly\r\n';
+ } else if (transceiver.rtpReceiver) {
+ sdp += 'a=recvonly\r\n';
+ } else {
+ sdp += 'a=inactive\r\n';
+ }
+
+ if (transceiver.rtpSender) {
+ // spec.
+ var msid = 'msid:' + stream.id + ' ' +
+ transceiver.rtpSender.track.id + '\r\n';
+ sdp += 'a=' + msid;
+
+ // for Chrome.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' ' + msid;
+ if (transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' ' + msid;
+ sdp += 'a=ssrc-group:FID ' +
+ transceiver.sendEncodingParameters[0].ssrc + ' ' +
+ transceiver.sendEncodingParameters[0].rtx.ssrc +
+ '\r\n';
+ }
+ }
+ // FIXME: this should be written by writeRtpDescription.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ }
+ return sdp;
+};
+
+// Gets the direction from the mediaSection or the sessionpart.
+SDPUtils.getDirection = function(mediaSection, sessionpart) {
+ // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
+ var lines = SDPUtils.splitLines(mediaSection);
+ for (var i = 0; i < lines.length; i++) {
+ switch (lines[i]) {
+ case 'a=sendrecv':
+ case 'a=sendonly':
+ case 'a=recvonly':
+ case 'a=inactive':
+ return lines[i].substr(2);
+ default:
+ // FIXME: What should happen here?
+ }
+ }
+ if (sessionpart) {
+ return SDPUtils.getDirection(sessionpart);
+ }
+ return 'sendrecv';
+};
+
+SDPUtils.getKind = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return mline[0].substr(2);
+};
+
+SDPUtils.isRejected = function(mediaSection) {
+ return mediaSection.split(' ', 2)[1] === '0';
+};
+
+SDPUtils.parseMLine = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return {
+ kind: mline[0].substr(2),
+ port: parseInt(mline[1], 10),
+ protocol: mline[2],
+ fmt: mline.slice(3).join(' ')
+ };
+};
+
+// Expose public methods.
+if (typeof module === 'object') {
+ module.exports = SDPUtils;
+}
+
+},{}],3:[function(require,module,exports){
+(function (global){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var adapterFactory = require('./adapter_factory.js');
+module.exports = adapterFactory({window: global.window});
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./adapter_factory.js":4}],4:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var utils = require('./utils');
+// Shimming starts here.
+module.exports = function(dependencies, opts) {
+ var window = dependencies && dependencies.window;
+
+ var options = {
+ shimChrome: true,
+ shimFirefox: true,
+ shimEdge: true,
+ shimSafari: true,
+ };
+
+ for (var key in opts) {
+ if (hasOwnProperty.call(opts, key)) {
+ options[key] = opts[key];
+ }
+ }
+
+ // Utils.
+ var logging = utils.log;
+ var browserDetails = utils.detectBrowser(window);
+
+ // Uncomment the line below if you want logging to occur, including logging
+ // for the switch statement below. Can also be turned on in the browser via
+ // adapter.disableLog(false), but then logging from the switch statement below
+ // will not appear.
+ // require('./utils').disableLog(false);
+
+ // Browser shims.
+ var chromeShim = require('./chrome/chrome_shim') || null;
+ var edgeShim = require('./edge/edge_shim') || null;
+ var firefoxShim = require('./firefox/firefox_shim') || null;
+ var safariShim = require('./safari/safari_shim') || null;
+ var commonShim = require('./common_shim') || null;
+
+ // Export to the adapter global object visible in the browser.
+ var adapter = {
+ browserDetails: browserDetails,
+ commonShim: commonShim,
+ extractVersion: utils.extractVersion,
+ disableLog: utils.disableLog,
+ disableWarnings: utils.disableWarnings
+ };
+
+ // Shim browser if found.
+ switch (browserDetails.browser) {
+ case 'chrome':
+ if (!chromeShim || !chromeShim.shimPeerConnection ||
+ !options.shimChrome) {
+ logging('Chrome shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming chrome.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = chromeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ chromeShim.shimGetUserMedia(window);
+ chromeShim.shimMediaStream(window);
+ chromeShim.shimSourceObject(window);
+ chromeShim.shimPeerConnection(window);
+ chromeShim.shimOnTrack(window);
+ chromeShim.shimAddTrackRemoveTrack(window);
+ chromeShim.shimGetSendersWithDtmf(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'firefox':
+ if (!firefoxShim || !firefoxShim.shimPeerConnection ||
+ !options.shimFirefox) {
+ logging('Firefox shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming firefox.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = firefoxShim;
+ commonShim.shimCreateObjectURL(window);
+
+ firefoxShim.shimGetUserMedia(window);
+ firefoxShim.shimSourceObject(window);
+ firefoxShim.shimPeerConnection(window);
+ firefoxShim.shimOnTrack(window);
+ firefoxShim.shimRemoveStream(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'edge':
+ if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
+ logging('MS edge shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming edge.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = edgeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ edgeShim.shimGetUserMedia(window);
+ edgeShim.shimPeerConnection(window);
+ edgeShim.shimReplaceTrack(window);
+
+ // the edge shim implements the full RTCIceCandidate object.
+
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'safari':
+ if (!safariShim || !options.shimSafari) {
+ logging('Safari shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming safari.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = safariShim;
+ commonShim.shimCreateObjectURL(window);
+
+ safariShim.shimRTCIceServerUrls(window);
+ safariShim.shimCallbacksAPI(window);
+ safariShim.shimLocalStreamsAPI(window);
+ safariShim.shimRemoteStreamsAPI(window);
+ safariShim.shimTrackEventTransceiver(window);
+ safariShim.shimGetUserMedia(window);
+ safariShim.shimCreateOfferLegacy(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ default:
+ logging('Unsupported browser!');
+ break;
+ }
+
+ return adapter;
+};
+
+},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
+
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimMediaStream: function(window) {
+ window.MediaStream = window.MediaStream || window.webkitMediaStream;
+ },
+
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ }
+ });
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ if (!pc._ontrackpoly) {
+ pc._ontrackpoly = function(e) {
+ // onaddstream does not fire when a track is added to an existing
+ // stream. But stream.onaddtrack is implemented so we use that.
+ e.stream.addEventListener('addtrack', function(te) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === te.track.id;
+ });
+ } else {
+ receiver = {track: te.track};
+ }
+
+ var event = new Event('track');
+ event.track = te.track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ e.stream.getTracks().forEach(function(track) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === track.id;
+ });
+ } else {
+ receiver = {track: track};
+ }
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ };
+ pc.addEventListener('addstream', pc._ontrackpoly);
+ }
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ } else if (!('RTCRtpTransceiver' in window)) {
+ utils.wrapPeerConnectionEvent(window, 'track', function(e) {
+ if (!e.transceiver) {
+ e.transceiver = {receiver: e.receiver};
+ }
+ return e;
+ });
+ }
+ },
+
+ shimGetSendersWithDtmf: function(window) {
+ // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ !('getSenders' in window.RTCPeerConnection.prototype) &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype) {
+ var shimSenderWithDtmf = function(pc, track) {
+ return {
+ track: track,
+ get dtmf() {
+ if (this._dtmf === undefined) {
+ if (track.kind === 'audio') {
+ this._dtmf = pc.createDTMFSender(track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ },
+ _pc: pc
+ };
+ };
+
+ // augment addTrack when getSenders is not available.
+ if (!window.RTCPeerConnection.prototype.getSenders) {
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ this._senders = this._senders || [];
+ return this._senders.slice(); // return a copy of the internal state.
+ };
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ var sender = origAddTrack.apply(pc, arguments);
+ if (!sender) {
+ sender = shimSenderWithDtmf(pc, track);
+ pc._senders.push(sender);
+ }
+ return sender;
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ origRemoveTrack.apply(pc, arguments);
+ var idx = pc._senders.indexOf(sender);
+ if (idx !== -1) {
+ pc._senders.splice(idx, 1);
+ }
+ };
+ }
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origAddStream.apply(pc, [stream]);
+ stream.getTracks().forEach(function(track) {
+ pc._senders.push(shimSenderWithDtmf(pc, track));
+ });
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origRemoveStream.apply(pc, [stream]);
+
+ stream.getTracks().forEach(function(track) {
+ var sender = pc._senders.find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
+ }
+ });
+ };
+ } else if (typeof window === 'object' && window.RTCPeerConnection &&
+ 'getSenders' in window.RTCPeerConnection.prototype &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype &&
+ window.RTCRtpSender &&
+ !('dtmf' in window.RTCRtpSender.prototype)) {
+ var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ var pc = this;
+ var senders = origGetSenders.apply(pc, []);
+ senders.forEach(function(sender) {
+ sender._pc = pc;
+ });
+ return senders;
+ };
+
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = this._pc.createDTMFSender(this.track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ var URL = window && window.URL;
+
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this._srcObject;
+ },
+ set: function(stream) {
+ var self = this;
+ // Use _srcObject as a private property for this shim
+ this._srcObject = stream;
+ if (this.src) {
+ URL.revokeObjectURL(this.src);
+ }
+
+ if (!stream) {
+ this.src = '';
+ return undefined;
+ }
+ this.src = URL.createObjectURL(stream);
+ // We need to recreate the blob url when a track is added or
+ // removed. Doing it manually since we want to avoid a recursion.
+ stream.addEventListener('addtrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ stream.addEventListener('removetrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ }
+ });
+ }
+ }
+ },
+
+ shimAddTrackRemoveTrackWithNative: function(window) {
+ // shim addTrack/removeTrack with native variants in order to make
+ // the interactions with legacy getLocalStreams behave as in other browsers.
+ // Keeps a mapping stream.id => [stream, rtpsenders...]
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
+ return pc._shimmedLocalStreams[streamId][0];
+ });
+ };
+
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (!stream) {
+ return origAddTrack.apply(this, arguments);
+ }
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ var sender = origAddTrack.apply(this, arguments);
+ if (!this._shimmedLocalStreams[stream.id]) {
+ this._shimmedLocalStreams[stream.id] = [stream, sender];
+ } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
+ this._shimmedLocalStreams[stream.id].push(sender);
+ }
+ return sender;
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ var existingSenders = pc.getSenders();
+ origAddStream.apply(this, arguments);
+ var newSenders = pc.getSenders().filter(function(newSender) {
+ return existingSenders.indexOf(newSender) === -1;
+ });
+ this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ delete this._shimmedLocalStreams[stream.id];
+ return origRemoveStream.apply(this, arguments);
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ if (sender) {
+ Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
+ var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
+ if (idx !== -1) {
+ pc._shimmedLocalStreams[streamId].splice(idx, 1);
+ }
+ if (pc._shimmedLocalStreams[streamId].length === 1) {
+ delete pc._shimmedLocalStreams[streamId];
+ }
+ });
+ }
+ return origRemoveTrack.apply(this, arguments);
+ };
+ },
+
+ shimAddTrackRemoveTrack: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ // shim addTrack and removeTrack.
+ if (window.RTCPeerConnection.prototype.addTrack &&
+ browserDetails.version >= 65) {
+ return this.shimAddTrackRemoveTrackWithNative(window);
+ }
+
+ // also shim pc.getLocalStreams when addTrack is shimmed
+ // to return the original streams.
+ var origGetLocalStreams = window.RTCPeerConnection.prototype
+ .getLocalStreams;
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ var nativeStreams = origGetLocalStreams.apply(this);
+ pc._reverseStreams = pc._reverseStreams || {};
+ return nativeStreams.map(function(stream) {
+ return pc._reverseStreams[stream.id];
+ });
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ // Add identity mapping for consistency with addTrack.
+ // Unless this is being used with a stream from addTrack.
+ if (!pc._reverseStreams[stream.id]) {
+ var newStream = new window.MediaStream(stream.getTracks());
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ stream = newStream;
+ }
+ origAddStream.apply(pc, [stream]);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
+ delete pc._reverseStreams[(pc._streams[stream.id] ?
+ pc._streams[stream.id].id : stream.id)];
+ delete pc._streams[stream.id];
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ var streams = [].slice.call(arguments, 1);
+ if (streams.length !== 1 ||
+ !streams[0].getTracks().find(function(t) {
+ return t === track;
+ })) {
+ // this is not fully correct but all we can manage without
+ // [[associated MediaStreams]] internal slot.
+ throw new DOMException(
+ 'The adapter.js addTrack polyfill only supports a single ' +
+ ' stream which is associated with the specified track.',
+ 'NotSupportedError');
+ }
+
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+ var oldStream = pc._streams[stream.id];
+ if (oldStream) {
+ // this is using odd Chrome behaviour, use with caution:
+ // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
+ // Note: we rely on the high-level addTrack/dtmf shim to
+ // create the sender with a dtmf sender.
+ oldStream.addTrack(track);
+
+ // Trigger ONN async.
+ Promise.resolve().then(function() {
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ });
+ } else {
+ var newStream = new window.MediaStream([track]);
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ pc.addStream(newStream);
+ }
+ return pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ };
+
+ // replace the internal stream id with the external one and
+ // vice versa.
+ function replaceInternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
+ externalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ function replaceExternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
+ internalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ var args = arguments;
+ var isLegacyCall = arguments.length &&
+ typeof arguments[0] === 'function';
+ if (isLegacyCall) {
+ return nativeMethod.apply(pc, [
+ function(description) {
+ var desc = replaceInternalStreamId(pc, description);
+ args[0].apply(null, [desc]);
+ },
+ function(err) {
+ if (args[1]) {
+ args[1].apply(null, err);
+ }
+ }, arguments[2]
+ ]);
+ }
+ return nativeMethod.apply(pc, arguments)
+ .then(function(description) {
+ return replaceInternalStreamId(pc, description);
+ });
+ };
+ });
+
+ var origSetLocalDescription =
+ window.RTCPeerConnection.prototype.setLocalDescription;
+ window.RTCPeerConnection.prototype.setLocalDescription = function() {
+ var pc = this;
+ if (!arguments.length || !arguments[0].type) {
+ return origSetLocalDescription.apply(pc, arguments);
+ }
+ arguments[0] = replaceExternalStreamId(pc, arguments[0]);
+ return origSetLocalDescription.apply(pc, arguments);
+ };
+
+ // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
+
+ var origLocalDescription = Object.getOwnPropertyDescriptor(
+ window.RTCPeerConnection.prototype, 'localDescription');
+ Object.defineProperty(window.RTCPeerConnection.prototype,
+ 'localDescription', {
+ get: function() {
+ var pc = this;
+ var description = origLocalDescription.get.apply(this);
+ if (description.type === '') {
+ return description;
+ }
+ return replaceInternalStreamId(pc, description);
+ }
+ });
+
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ // We can not yet check for sender instanceof RTCRtpSender
+ // since we shim RTPSender. So we check if sender._pc is set.
+ if (!sender._pc) {
+ throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.', 'TypeError');
+ }
+ var isLocal = sender._pc === pc;
+ if (!isLocal) {
+ throw new DOMException('Sender was not created by this connection.',
+ 'InvalidAccessError');
+ }
+
+ // Search for the native stream the senders track belongs to.
+ pc._streams = pc._streams || {};
+ var stream;
+ Object.keys(pc._streams).forEach(function(streamid) {
+ var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
+ return sender.track === track;
+ });
+ if (hasTrack) {
+ stream = pc._streams[streamid];
+ }
+ });
+
+ if (stream) {
+ if (stream.getTracks().length === 1) {
+ // if this is the last track of the stream, remove the stream. This
+ // takes care of any shimmed _senders.
+ pc.removeStream(pc._reverseStreams[stream.id]);
+ } else {
+ // relying on the same odd chrome behaviour as above.
+ stream.removeTrack(sender.track);
+ }
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ }
+ };
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ // Translate iceTransportPolicy to iceTransports,
+ // see https://code.google.com/p/webrtc/issues/detail?id=4869
+ // this was fixed in M56 along with unprefixing RTCPeerConnection.
+ logging('PeerConnection');
+ if (pcConfig && pcConfig.iceTransportPolicy) {
+ pcConfig.iceTransports = pcConfig.iceTransportPolicy;
+ }
+
+ return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.webkitRTCPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if (window.webkitRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.webkitRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+ } else {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ var origGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(selector,
+ successCallback, errorCallback) {
+ var pc = this;
+ var args = arguments;
+
+ // If selector is a function then we are in the old style stats so just
+ // pass back the original getStats format to avoid breaking old users.
+ if (arguments.length > 0 && typeof selector === 'function') {
+ return origGetStats.apply(this, arguments);
+ }
+
+ // When spec-style getStats is supported, return those when called with
+ // either no arguments or the selector argument is null.
+ if (origGetStats.length === 0 && (arguments.length === 0 ||
+ typeof arguments[0] !== 'function')) {
+ return origGetStats.apply(this, []);
+ }
+
+ var fixChromeStats_ = function(response) {
+ var standardReport = {};
+ var reports = response.result();
+ reports.forEach(function(report) {
+ var standardStats = {
+ id: report.id,
+ timestamp: report.timestamp,
+ type: {
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[report.type] || report.type
+ };
+ report.names().forEach(function(name) {
+ standardStats[name] = report.stat(name);
+ });
+ standardReport[standardStats.id] = standardStats;
+ });
+
+ return standardReport;
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ return new Map(Object.keys(stats).map(function(key) {
+ return [key, stats[key]];
+ }));
+ };
+
+ if (arguments.length >= 2) {
+ var successCallbackWrapper_ = function(response) {
+ args[1](makeMapStats(fixChromeStats_(response)));
+ };
+
+ return origGetStats.apply(this, [successCallbackWrapper_,
+ arguments[0]]);
+ }
+
+ // promise-support
+ return new Promise(function(resolve, reject) {
+ origGetStats.apply(pc, [
+ function(response) {
+ resolve(makeMapStats(fixChromeStats_(response)));
+ }, reject]);
+ }).then(successCallback, errorCallback);
+ };
+
+ // add promise support -- natively available in Chrome 51
+ if (browserDetails.version < 51) {
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ var pc = this;
+ var promise = new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [args[0], resolve, reject]);
+ });
+ if (args.length < 2) {
+ return promise;
+ }
+ return promise.then(function() {
+ args[1].apply(null, []);
+ },
+ function(err) {
+ if (args.length >= 3) {
+ args[2].apply(null, [err]);
+ }
+ });
+ };
+ });
+ }
+
+ // promise support for createOffer and createAnswer. Available (without
+ // bugs) since M52: crbug/619289
+ if (browserDetails.version < 52) {
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ if (arguments.length < 1 || (arguments.length === 1 &&
+ typeof arguments[0] === 'object')) {
+ var opts = arguments.length === 1 ? arguments[0] : undefined;
+ return new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [resolve, reject, opts]);
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+ }
+
+ // shim implicit creation of RTCSessionDescription/RTCIceCandidate
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+ }
+};
+
+},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+
+ var constraintsToChrome_ = function(c) {
+ if (typeof c !== 'object' || c.mandatory || c.optional) {
+ return c;
+ }
+ var cc = {};
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
+ if (r.exact !== undefined && typeof r.exact === 'number') {
+ r.min = r.max = r.exact;
+ }
+ var oldname_ = function(prefix, name) {
+ if (prefix) {
+ return prefix + name.charAt(0).toUpperCase() + name.slice(1);
+ }
+ return (name === 'deviceId') ? 'sourceId' : name;
+ };
+ if (r.ideal !== undefined) {
+ cc.optional = cc.optional || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[oldname_('min', key)] = r.ideal;
+ cc.optional.push(oc);
+ oc = {};
+ oc[oldname_('max', key)] = r.ideal;
+ cc.optional.push(oc);
+ } else {
+ oc[oldname_('', key)] = r.ideal;
+ cc.optional.push(oc);
+ }
+ }
+ if (r.exact !== undefined && typeof r.exact !== 'number') {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_('', key)] = r.exact;
+ } else {
+ ['min', 'max'].forEach(function(mix) {
+ if (r[mix] !== undefined) {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_(mix, key)] = r[mix];
+ }
+ });
+ }
+ });
+ if (c.advanced) {
+ cc.optional = (cc.optional || []).concat(c.advanced);
+ }
+ return cc;
+ };
+
+ var shimConstraints_ = function(constraints, func) {
+ if (browserDetails.version >= 61) {
+ return func(constraints);
+ }
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (constraints && typeof constraints.audio === 'object') {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
+ remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
+ constraints.audio = constraintsToChrome_(constraints.audio);
+ }
+ if (constraints && typeof constraints.video === 'object') {
+ // Shim facingMode for mobile & surface pro.
+ var face = constraints.video.facingMode;
+ face = face && ((typeof face === 'object') ? face : {ideal: face});
+ var getSupportedFacingModeLies = browserDetails.version < 66;
+
+ if ((face && (face.exact === 'user' || face.exact === 'environment' ||
+ face.ideal === 'user' || face.ideal === 'environment')) &&
+ !(navigator.mediaDevices.getSupportedConstraints &&
+ navigator.mediaDevices.getSupportedConstraints().facingMode &&
+ !getSupportedFacingModeLies)) {
+ delete constraints.video.facingMode;
+ var matches;
+ if (face.exact === 'environment' || face.ideal === 'environment') {
+ matches = ['back', 'rear'];
+ } else if (face.exact === 'user' || face.ideal === 'user') {
+ matches = ['front'];
+ }
+ if (matches) {
+ // Look for matches in label, or use last cam for back (typical).
+ return navigator.mediaDevices.enumerateDevices()
+ .then(function(devices) {
+ devices = devices.filter(function(d) {
+ return d.kind === 'videoinput';
+ });
+ var dev = devices.find(function(d) {
+ return matches.some(function(match) {
+ return d.label.toLowerCase().indexOf(match) !== -1;
+ });
+ });
+ if (!dev && devices.length && matches.indexOf('back') !== -1) {
+ dev = devices[devices.length - 1]; // more likely the back cam
+ }
+ if (dev) {
+ constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
+ {ideal: dev.deviceId};
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ });
+ }
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ }
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ };
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ PermissionDeniedError: 'NotAllowedError',
+ InvalidStateError: 'NotReadableError',
+ DevicesNotFoundError: 'NotFoundError',
+ ConstraintNotSatisfiedError: 'OverconstrainedError',
+ TrackStartError: 'NotReadableError',
+ MediaDeviceFailedDueToShutdown: 'NotReadableError',
+ MediaDeviceKillSwitchOn: 'NotReadableError'
+ }[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraintName,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ shimConstraints_(constraints, function(c) {
+ navigator.webkitGetUserMedia(c, onSuccess, function(e) {
+ if (onError) {
+ onError(shimError_(e));
+ }
+ });
+ });
+ };
+
+ navigator.getUserMedia = getUserMedia_;
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ navigator.getUserMedia(constraints, resolve, reject);
+ });
+ };
+
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {
+ getUserMedia: getUserMediaPromise_,
+ enumerateDevices: function() {
+ return new Promise(function(resolve) {
+ var kinds = {audio: 'audioinput', video: 'videoinput'};
+ return window.MediaStreamTrack.getSources(function(devices) {
+ resolve(devices.map(function(device) {
+ return {label: device.label,
+ kind: kinds[device.kind],
+ deviceId: device.id,
+ groupId: ''};
+ }));
+ });
+ });
+ },
+ getSupportedConstraints: function() {
+ return {
+ deviceId: true, echoCancellation: true, facingMode: true,
+ frameRate: true, height: true, width: true
+ };
+ }
+ };
+ }
+
+ // A shim for getUserMedia method on the mediaDevices object.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (!navigator.mediaDevices.getUserMedia) {
+ navigator.mediaDevices.getUserMedia = function(constraints) {
+ return getUserMediaPromise_(constraints);
+ };
+ } else {
+ // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
+ // function which returns a Promise, it does not accept spec-style
+ // constraints.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(cs) {
+ return shimConstraints_(cs, function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('', 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ });
+ };
+ }
+
+ // Dummy devicechange event methods.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
+ navigator.mediaDevices.addEventListener = function() {
+ logging('Dummy mediaDevices.addEventListener called.');
+ };
+ }
+ if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
+ navigator.mediaDevices.removeEventListener = function() {
+ logging('Dummy mediaDevices.removeEventListener called.');
+ };
+ }
+};
+
+},{"../utils.js":13}],7:[function(require,module,exports){
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var SDPUtils = require('sdp');
+var utils = require('./utils');
+
+module.exports = {
+ shimRTCIceCandidate: function(window) {
+ // foundation is arbitrarily chosen as an indicator for full support for
+ // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
+ if (window.RTCIceCandidate && 'foundation' in
+ window.RTCIceCandidate.prototype) {
+ return;
+ }
+
+ var NativeRTCIceCandidate = window.RTCIceCandidate;
+ window.RTCIceCandidate = function(args) {
+ // Remove the a= which shouldn't be part of the candidate string.
+ if (typeof args === 'object' && args.candidate &&
+ args.candidate.indexOf('a=') === 0) {
+ args = JSON.parse(JSON.stringify(args));
+ args.candidate = args.candidate.substr(2);
+ }
+
+ // Augment the native candidate with the parsed fields.
+ var nativeCandidate = new NativeRTCIceCandidate(args);
+ var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
+ var augmentedCandidate = Object.assign(nativeCandidate,
+ parsedCandidate);
+
+ // Add a serializer that does not serialize the extra attributes.
+ augmentedCandidate.toJSON = function() {
+ return {
+ candidate: augmentedCandidate.candidate,
+ sdpMid: augmentedCandidate.sdpMid,
+ sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
+ usernameFragment: augmentedCandidate.usernameFragment,
+ };
+ };
+ return augmentedCandidate;
+ };
+
+ // Hook up the augmented candidate in onicecandidate and
+ // addEventListener('icecandidate', ...)
+ utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
+ if (e.candidate) {
+ Object.defineProperty(e, 'candidate', {
+ value: new window.RTCIceCandidate(e.candidate),
+ writable: 'false'
+ });
+ }
+ return e;
+ });
+ },
+
+ // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
+
+ shimCreateObjectURL: function(window) {
+ var URL = window && window.URL;
+
+ if (!(typeof window === 'object' && window.HTMLMediaElement &&
+ 'srcObject' in window.HTMLMediaElement.prototype &&
+ URL.createObjectURL && URL.revokeObjectURL)) {
+ // Only shim CreateObjectURL using srcObject if srcObject exists.
+ return undefined;
+ }
+
+ var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
+ var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
+ var streams = new Map(), newId = 0;
+
+ URL.createObjectURL = function(stream) {
+ if ('getTracks' in stream) {
+ var url = 'polyblob:' + (++newId);
+ streams.set(url, stream);
+ utils.deprecated('URL.createObjectURL(stream)',
+ 'elem.srcObject = stream');
+ return url;
+ }
+ return nativeCreateObjectURL(stream);
+ };
+ URL.revokeObjectURL = function(url) {
+ nativeRevokeObjectURL(url);
+ streams.delete(url);
+ };
+
+ var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
+ 'src');
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
+ get: function() {
+ return dsc.get.apply(this);
+ },
+ set: function(url) {
+ this.srcObject = streams.get(url) || null;
+ return dsc.set.apply(this, [url]);
+ }
+ });
+
+ var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
+ window.HTMLMediaElement.prototype.setAttribute = function() {
+ if (arguments.length === 2 &&
+ ('' + arguments[0]).toLowerCase() === 'src') {
+ this.srcObject = streams.get(arguments[1]) || null;
+ }
+ return nativeSetAttribute.apply(this, arguments);
+ };
+ },
+
+ shimMaxMessageSize: function(window) {
+ if (window.RTCSctpTransport || !window.RTCPeerConnection) {
+ return;
+ }
+ var browserDetails = utils.detectBrowser(window);
+
+ if (!('sctp' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
+ get: function() {
+ return typeof this._sctp === 'undefined' ? null : this._sctp;
+ }
+ });
+ }
+
+ var sctpInDescription = function(description) {
+ var sections = SDPUtils.splitSections(description.sdp);
+ sections.shift();
+ return sections.some(function(mediaSection) {
+ var mLine = SDPUtils.parseMLine(mediaSection);
+ return mLine && mLine.kind === 'application'
+ && mLine.protocol.indexOf('SCTP') !== -1;
+ });
+ };
+
+ var getRemoteFirefoxVersion = function(description) {
+ // TODO: Is there a better solution for detecting Firefox?
+ var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
+ if (match === null || match.length < 2) {
+ return -1;
+ }
+ var version = parseInt(match[1], 10);
+ // Test for NaN (yes, this is ugly)
+ return version !== version ? -1 : version;
+ };
+
+ var getCanSendMaxMessageSize = function(remoteIsFirefox) {
+ // Every implementation we know can send at least 64 KiB.
+ // Note: Although Chrome is technically able to send up to 256 KiB, the
+ // data does not reach the other peer reliably.
+ // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
+ var canSendMaxMessageSize = 65536;
+ if (browserDetails.browser === 'firefox') {
+ if (browserDetails.version < 57) {
+ if (remoteIsFirefox === -1) {
+ // FF < 57 will send in 16 KiB chunks using the deprecated PPID
+ // fragmentation.
+ canSendMaxMessageSize = 16384;
+ } else {
+ // However, other FF (and RAWRTC) can reassemble PPID-fragmented
+ // messages. Thus, supporting ~2 GiB when sending.
+ canSendMaxMessageSize = 2147483637;
+ }
+ } else {
+ // Currently, all FF >= 57 will reset the remote maximum message size
+ // to the default value when a data channel is created at a later
+ // stage. :(
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+ canSendMaxMessageSize =
+ browserDetails.version === 57 ? 65535 : 65536;
+ }
+ }
+ return canSendMaxMessageSize;
+ };
+
+ var getMaxMessageSize = function(description, remoteIsFirefox) {
+ // Note: 65536 bytes is the default value from the SDP spec. Also,
+ // every implementation we know supports receiving 65536 bytes.
+ var maxMessageSize = 65536;
+
+ // FF 57 has a slightly incorrect default remote max message size, so
+ // we need to adjust it here to avoid a failure when sending.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
+ if (browserDetails.browser === 'firefox'
+ && browserDetails.version === 57) {
+ maxMessageSize = 65535;
+ }
+
+ var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
+ if (match.length > 0) {
+ maxMessageSize = parseInt(match[0].substr(19), 10);
+ } else if (browserDetails.browser === 'firefox' &&
+ remoteIsFirefox !== -1) {
+ // If the maximum message size is not present in the remote SDP and
+ // both local and remote are Firefox, the remote peer can receive
+ // ~2 GiB.
+ maxMessageSize = 2147483637;
+ }
+ return maxMessageSize;
+ };
+
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ pc._sctp = null;
+
+ if (sctpInDescription(arguments[0])) {
+ // Check if the remote is FF.
+ var isFirefox = getRemoteFirefoxVersion(arguments[0]);
+
+ // Get the maximum message size the local peer is capable of sending
+ var canSendMMS = getCanSendMaxMessageSize(isFirefox);
+
+ // Get the maximum message size of the remote peer.
+ var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
+
+ // Determine final maximum message size
+ var maxMessageSize;
+ if (canSendMMS === 0 && remoteMMS === 0) {
+ maxMessageSize = Number.POSITIVE_INFINITY;
+ } else if (canSendMMS === 0 || remoteMMS === 0) {
+ maxMessageSize = Math.max(canSendMMS, remoteMMS);
+ } else {
+ maxMessageSize = Math.min(canSendMMS, remoteMMS);
+ }
+
+ // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
+ // attribute.
+ var sctp = {};
+ Object.defineProperty(sctp, 'maxMessageSize', {
+ get: function() {
+ return maxMessageSize;
+ }
+ });
+ pc._sctp = sctp;
+ }
+
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ },
+
+ shimSendThrowTypeError: function(window) {
+ // Note: Although Firefox >= 57 has a native implementation, the maximum
+ // message size can be reset for all data channels at a later stage.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+
+ var origCreateDataChannel =
+ window.RTCPeerConnection.prototype.createDataChannel;
+ window.RTCPeerConnection.prototype.createDataChannel = function() {
+ var pc = this;
+ var dataChannel = origCreateDataChannel.apply(pc, arguments);
+ var origDataChannelSend = dataChannel.send;
+
+ // Patch 'send' method
+ dataChannel.send = function() {
+ var dc = this;
+ var data = arguments[0];
+ var length = data.length || data.size || data.byteLength;
+ if (length > pc.sctp.maxMessageSize) {
+ throw new DOMException('Message too large (can send a maximum of ' +
+ pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
+ }
+ return origDataChannelSend.apply(dc, arguments);
+ };
+
+ return dataChannel;
+ };
+ }
+};
+
+},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var shimRTCPeerConnection = require('rtcpeerconnection-shim');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (window.RTCIceGatherer) {
+ // ORTC defines an RTCIceCandidate object but no constructor.
+ // Not implemented in Edge.
+ if (!window.RTCIceCandidate) {
+ window.RTCIceCandidate = function(args) {
+ return args;
+ };
+ }
+ // ORTC does not have a session description object but
+ // other browsers (i.e. Chrome) that will support both PC and ORTC
+ // in the future might have this defined already.
+ if (!window.RTCSessionDescription) {
+ window.RTCSessionDescription = function(args) {
+ return args;
+ };
+ }
+ // this adds an additional event listener to MediaStrackTrack that signals
+ // when a tracks enabled property was changed. Workaround for a bug in
+ // addStream, see below. No longer required in 15025+
+ if (browserDetails.version < 15025) {
+ var origMSTEnabled = Object.getOwnPropertyDescriptor(
+ window.MediaStreamTrack.prototype, 'enabled');
+ Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
+ set: function(value) {
+ origMSTEnabled.set.call(this, value);
+ var ev = new Event('enabled');
+ ev.enabled = value;
+ this.dispatchEvent(ev);
+ }
+ });
+ }
+ }
+
+ // ORTC defines the DTMF sender a bit different.
+ // https://github.com/w3c/ortc/issues/714
+ if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = new window.RTCDtmfSender(this);
+ } else if (this.track.kind === 'video') {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+
+ window.RTCPeerConnection =
+ shimRTCPeerConnection(window, browserDetails.version);
+ },
+ shimReplaceTrack: function(window) {
+ // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
+ if (window.RTCRtpSender &&
+ !('replaceTrack' in window.RTCRtpSender.prototype)) {
+ window.RTCRtpSender.prototype.replaceTrack =
+ window.RTCRtpSender.prototype.setTrack;
+ }
+ }
+};
+
+},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+// Expose public methods.
+module.exports = function(window) {
+ var navigator = window && window.navigator;
+
+ var shimError_ = function(e) {
+ return {
+ name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name;
+ }
+ };
+ };
+
+ // getUserMedia error shim.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).catch(function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+};
+
+},{}],10:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ this.removeEventListener('addstream', this._ontrackpoly);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ this.addEventListener('addstream', this._ontrackpoly = function(e) {
+ e.stream.getTracks().forEach(function(track) {
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = {track: track};
+ event.transceiver = {receiver: event.receiver};
+ event.streams = [e.stream];
+ this.dispatchEvent(event);
+ }.bind(this));
+ }.bind(this));
+ }
+ });
+ }
+ if (typeof window === 'object' && window.RTCTrackEvent &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ !('transceiver' in window.RTCTrackEvent.prototype)) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this.mozSrcObject;
+ },
+ set: function(stream) {
+ this.mozSrcObject = stream;
+ }
+ });
+ }
+ }
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (typeof window !== 'object' || !(window.RTCPeerConnection ||
+ window.mozRTCPeerConnection)) {
+ return; // probably media.peerconnection.enabled=false in about:config
+ }
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (browserDetails.version < 38) {
+ // .urls is not supported in FF < 38.
+ // create RTCIceServers with a single url.
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (server.hasOwnProperty('urls')) {
+ for (var j = 0; j < server.urls.length; j++) {
+ var newServer = {
+ url: server.urls[j]
+ };
+ if (server.urls[j].indexOf('turn') === 0) {
+ newServer.username = server.username;
+ newServer.credential = server.credential;
+ }
+ newIceServers.push(newServer);
+ }
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ }
+ return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.mozRTCPeerConnection.prototype;
+
+ // wrap static methods. Currently just generateCertificate.
+ if (window.mozRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.mozRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ window.RTCSessionDescription = window.mozRTCSessionDescription;
+ window.RTCIceCandidate = window.mozRTCIceCandidate;
+ }
+
+ // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ var map = new Map();
+ Object.keys(stats).forEach(function(key) {
+ map.set(key, stats[key]);
+ map[key] = stats[key];
+ });
+ return map;
+ };
+
+ var modernStatsTypes = {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ };
+
+ var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(
+ selector,
+ onSucc,
+ onErr
+ ) {
+ return nativeGetStats.apply(this, [selector || null])
+ .then(function(stats) {
+ if (browserDetails.version < 48) {
+ stats = makeMapStats(stats);
+ }
+ if (browserDetails.version < 53 && !onSucc) {
+ // Shim only promise getStats with spec-hyphens in type names
+ // Leave callback version alone; misc old uses of forEach before Map
+ try {
+ stats.forEach(function(stat) {
+ stat.type = modernStatsTypes[stat.type] || stat.type;
+ });
+ } catch (e) {
+ if (e.name !== 'TypeError') {
+ throw e;
+ }
+ // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
+ stats.forEach(function(stat, i) {
+ stats.set(i, Object.assign({}, stat, {
+ type: modernStatsTypes[stat.type] || stat.type
+ }));
+ });
+ }
+ }
+ return stats;
+ })
+ .then(onSucc, onErr);
+ };
+ },
+
+ shimRemoveStream: function(window) {
+ if (!window.RTCPeerConnection ||
+ 'removeStream' in window.RTCPeerConnection.prototype) {
+ return;
+ }
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ utils.deprecated('removeStream', 'removeTrack');
+ this.getSenders().forEach(function(sender) {
+ if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+};
+
+},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+ var MediaStreamTrack = window && window.MediaStreamTrack;
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ InternalError: 'NotReadableError',
+ NotSupportedError: 'TypeError',
+ PermissionDeniedError: 'NotAllowedError',
+ SecurityError: 'NotAllowedError'
+ }[e.name] || e.name,
+ message: {
+ 'The operation is insecure.': 'The request is not allowed by the ' +
+ 'user agent or the platform in the current context.'
+ }[e.message] || e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ // getUserMedia constraints shim.
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ var constraintsToFF37_ = function(c) {
+ if (typeof c !== 'object' || c.require) {
+ return c;
+ }
+ var require = [];
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = c[key] = (typeof c[key] === 'object') ?
+ c[key] : {ideal: c[key]};
+ if (r.min !== undefined ||
+ r.max !== undefined || r.exact !== undefined) {
+ require.push(key);
+ }
+ if (r.exact !== undefined) {
+ if (typeof r.exact === 'number') {
+ r. min = r.max = r.exact;
+ } else {
+ c[key] = r.exact;
+ }
+ delete r.exact;
+ }
+ if (r.ideal !== undefined) {
+ c.advanced = c.advanced || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[key] = {min: r.ideal, max: r.ideal};
+ } else {
+ oc[key] = r.ideal;
+ }
+ c.advanced.push(oc);
+ delete r.ideal;
+ if (!Object.keys(r).length) {
+ delete c[key];
+ }
+ }
+ });
+ if (require.length) {
+ c.require = require;
+ }
+ return c;
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (browserDetails.version < 38) {
+ logging('spec: ' + JSON.stringify(constraints));
+ if (constraints.audio) {
+ constraints.audio = constraintsToFF37_(constraints.audio);
+ }
+ if (constraints.video) {
+ constraints.video = constraintsToFF37_(constraints.video);
+ }
+ logging('ff37: ' + JSON.stringify(constraints));
+ }
+ return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
+ onError(shimError_(e));
+ });
+ };
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ getUserMedia_(constraints, resolve, reject);
+ });
+ };
+
+ // Shim for mediaDevices on older versions.
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
+ addEventListener: function() { },
+ removeEventListener: function() { }
+ };
+ }
+ navigator.mediaDevices.enumerateDevices =
+ navigator.mediaDevices.enumerateDevices || function() {
+ return new Promise(function(resolve) {
+ var infos = [
+ {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
+ {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
+ ];
+ resolve(infos);
+ });
+ };
+
+ if (browserDetails.version < 41) {
+ // Work around http://bugzil.la/1169665
+ var orgEnumerateDevices =
+ navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
+ navigator.mediaDevices.enumerateDevices = function() {
+ return orgEnumerateDevices().then(undefined, function(e) {
+ if (e.name === 'NotFoundError') {
+ return [];
+ }
+ throw e;
+ });
+ };
+ }
+ if (browserDetails.version < 49) {
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ // Work around https://bugzil.la/802326
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('The object can not be found here.',
+ 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+ }
+ if (!(browserDetails.version > 55 &&
+ 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+
+ var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ if (typeof c === 'object' && typeof c.audio === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
+ remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeGetUserMedia(c);
+ };
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
+ var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
+ MediaStreamTrack.prototype.getSettings = function() {
+ var obj = nativeGetSettings.apply(this, arguments);
+ remap(obj, 'mozAutoGainControl', 'autoGainControl');
+ remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
+ return obj;
+ };
+ }
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
+ var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
+ MediaStreamTrack.prototype.applyConstraints = function(c) {
+ if (this.kind === 'audio' && typeof c === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c, 'autoGainControl', 'mozAutoGainControl');
+ remap(c, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeApplyConstraints.apply(this, [c]);
+ };
+ }
+ }
+ navigator.getUserMedia = function(constraints, onSuccess, onError) {
+ if (browserDetails.version < 44) {
+ return getUserMedia_(constraints, onSuccess, onError);
+ }
+ // Replace Firefox 44+'s deprecation warning with unprefixed version.
+ utils.deprecated('navigator.getUserMedia',
+ 'navigator.mediaDevices.getUserMedia');
+ navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
+ };
+};
+
+},{"../utils":13}],12:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+'use strict';
+var utils = require('../utils');
+
+module.exports = {
+ shimLocalStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ return this._localStreams;
+ };
+ }
+ if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getStreamById = function(id) {
+ var result = null;
+ if (this._localStreams) {
+ this._localStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ if (this._remoteStreams) {
+ this._remoteStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ return result;
+ };
+ }
+ if (!('addStream' in window.RTCPeerConnection.prototype)) {
+ var _addTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ _addTrack.call(pc, track, stream);
+ });
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (stream) {
+ if (!this._localStreams) {
+ this._localStreams = [stream];
+ } else if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ }
+ return _addTrack.call(this, track, stream);
+ };
+ }
+ if (!('removeStream' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ var index = this._localStreams.indexOf(stream);
+ if (index === -1) {
+ return;
+ }
+ this._localStreams.splice(index, 1);
+ var pc = this;
+ var tracks = stream.getTracks();
+ this.getSenders().forEach(function(sender) {
+ if (tracks.indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+ },
+ shimRemoteStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this._remoteStreams ? this._remoteStreams : [];
+ };
+ }
+ if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
+ get: function() {
+ return this._onaddstream;
+ },
+ set: function(f) {
+ var pc = this;
+ if (this._onaddstream) {
+ this.removeEventListener('addstream', this._onaddstream);
+ this.removeEventListener('track', this._onaddstreampoly);
+ }
+ this.addEventListener('addstream', this._onaddstream = f);
+ this.addEventListener('track', this._onaddstreampoly = function(e) {
+ e.streams.forEach(function(stream) {
+ if (!pc._remoteStreams) {
+ pc._remoteStreams = [];
+ }
+ if (pc._remoteStreams.indexOf(stream) >= 0) {
+ return;
+ }
+ pc._remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ pc.dispatchEvent(event);
+ });
+ });
+ }
+ });
+ }
+ },
+ shimCallbacksAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ var prototype = window.RTCPeerConnection.prototype;
+ var createOffer = prototype.createOffer;
+ var createAnswer = prototype.createAnswer;
+ var setLocalDescription = prototype.setLocalDescription;
+ var setRemoteDescription = prototype.setRemoteDescription;
+ var addIceCandidate = prototype.addIceCandidate;
+
+ prototype.createOffer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createOffer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ prototype.createAnswer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createAnswer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ var withCallback = function(description, successCallback, failureCallback) {
+ var promise = setLocalDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setLocalDescription = withCallback;
+
+ withCallback = function(description, successCallback, failureCallback) {
+ var promise = setRemoteDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setRemoteDescription = withCallback;
+
+ withCallback = function(candidate, successCallback, failureCallback) {
+ var promise = addIceCandidate.apply(this, [candidate]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.addIceCandidate = withCallback;
+ },
+ shimGetUserMedia: function(window) {
+ var navigator = window && window.navigator;
+
+ if (!navigator.getUserMedia) {
+ if (navigator.webkitGetUserMedia) {
+ navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
+ } else if (navigator.mediaDevices &&
+ navigator.mediaDevices.getUserMedia) {
+ navigator.getUserMedia = function(constraints, cb, errcb) {
+ navigator.mediaDevices.getUserMedia(constraints)
+ .then(cb, errcb);
+ }.bind(navigator);
+ }
+ }
+ },
+ shimRTCIceServerUrls: function(window) {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ delete server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if ('generateCertificate' in window.RTCPeerConnection) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+ },
+ shimTrackEventTransceiver: function(window) {
+ // Add event.transceiver member over deprecated event.receiver
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
+ // defined for some reason even when window.RTCTransceiver is not.
+ !window.RTCTransceiver) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimCreateOfferLegacy: function(window) {
+ var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
+ window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
+ var pc = this;
+ if (offerOptions) {
+ var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'audio';
+ });
+ if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
+ if (audioTransceiver.direction === 'sendrecv') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('sendonly');
+ } else {
+ audioTransceiver.direction = 'sendonly';
+ }
+ } else if (audioTransceiver.direction === 'recvonly') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('inactive');
+ } else {
+ audioTransceiver.direction = 'inactive';
+ }
+ }
+ } else if (offerOptions.offerToReceiveAudio === true &&
+ !audioTransceiver) {
+ pc.addTransceiver('audio');
+ }
+
+ var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'video';
+ });
+ if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
+ if (videoTransceiver.direction === 'sendrecv') {
+ videoTransceiver.setDirection('sendonly');
+ } else if (videoTransceiver.direction === 'recvonly') {
+ videoTransceiver.setDirection('inactive');
+ }
+ } else if (offerOptions.offerToReceiveVideo === true &&
+ !videoTransceiver) {
+ pc.addTransceiver('video');
+ }
+ }
+ return origCreateOffer.apply(pc, arguments);
+ };
+ }
+};
+
+},{"../utils":13}],13:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var logDisabled_ = true;
+var deprecationWarnings_ = true;
+
+/**
+ * Extract browser version out of the provided user agent string.
+ *
+ * @param {!string} uastring userAgent string.
+ * @param {!string} expr Regular expression used as match criteria.
+ * @param {!number} pos position in the version string to be returned.
+ * @return {!number} browser version.
+ */
+function extractVersion(uastring, expr, pos) {
+ var match = uastring.match(expr);
+ return match && match.length >= pos && parseInt(match[pos], 10);
+}
+
+// Wraps the peerconnection event eventNameToWrap in a function
+// which returns the modified event object.
+function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
+ if (!window.RTCPeerConnection) {
+ return;
+ }
+ var proto = window.RTCPeerConnection.prototype;
+ var nativeAddEventListener = proto.addEventListener;
+ proto.addEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap) {
+ return nativeAddEventListener.apply(this, arguments);
+ }
+ var wrappedCallback = function(e) {
+ cb(wrapper(e));
+ };
+ this._eventMap = this._eventMap || {};
+ this._eventMap[cb] = wrappedCallback;
+ return nativeAddEventListener.apply(this, [nativeEventName,
+ wrappedCallback]);
+ };
+
+ var nativeRemoveEventListener = proto.removeEventListener;
+ proto.removeEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap || !this._eventMap
+ || !this._eventMap[cb]) {
+ return nativeRemoveEventListener.apply(this, arguments);
+ }
+ var unwrappedCb = this._eventMap[cb];
+ delete this._eventMap[cb];
+ return nativeRemoveEventListener.apply(this, [nativeEventName,
+ unwrappedCb]);
+ };
+
+ Object.defineProperty(proto, 'on' + eventNameToWrap, {
+ get: function() {
+ return this['_on' + eventNameToWrap];
+ },
+ set: function(cb) {
+ if (this['_on' + eventNameToWrap]) {
+ this.removeEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap]);
+ delete this['_on' + eventNameToWrap];
+ }
+ if (cb) {
+ this.addEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap] = cb);
+ }
+ }
+ });
+}
+
+// Utility methods.
+module.exports = {
+ extractVersion: extractVersion,
+ wrapPeerConnectionEvent: wrapPeerConnectionEvent,
+ disableLog: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ logDisabled_ = bool;
+ return (bool) ? 'adapter.js logging disabled' :
+ 'adapter.js logging enabled';
+ },
+
+ /**
+ * Disable or enable deprecation warnings
+ * @param {!boolean} bool set to true to disable warnings.
+ */
+ disableWarnings: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ deprecationWarnings_ = !bool;
+ return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
+ },
+
+ log: function() {
+ if (typeof window === 'object') {
+ if (logDisabled_) {
+ return;
+ }
+ if (typeof console !== 'undefined' && typeof console.log === 'function') {
+ console.log.apply(console, arguments);
+ }
+ }
+ },
+
+ /**
+ * Shows a deprecation warning suggesting the modern and spec-compatible API.
+ */
+ deprecated: function(oldMethod, newMethod) {
+ if (!deprecationWarnings_) {
+ return;
+ }
+ console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
+ ' instead.');
+ },
+
+ /**
+ * Browser detector.
+ *
+ * @return {object} result containing browser and version
+ * properties.
+ */
+ detectBrowser: function(window) {
+ var navigator = window && window.navigator;
+
+ // Returned result object.
+ var result = {};
+ result.browser = null;
+ result.version = null;
+
+ // Fail early if it's not a browser
+ if (typeof window === 'undefined' || !window.navigator) {
+ result.browser = 'Not a browser.';
+ return result;
+ }
+
+ if (navigator.mozGetUserMedia) { // Firefox.
+ result.browser = 'firefox';
+ result.version = extractVersion(navigator.userAgent,
+ /Firefox\/(\d+)\./, 1);
+ } else if (navigator.webkitGetUserMedia) {
+ // Chrome, Chromium, Webview, Opera.
+ // Version matches Chrome/WebRTC version.
+ result.browser = 'chrome';
+ result.version = extractVersion(navigator.userAgent,
+ /Chrom(e|ium)\/(\d+)\./, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
+ result.browser = 'edge';
+ result.version = extractVersion(navigator.userAgent,
+ /Edge\/(\d+).(\d+)$/, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
+ result.browser = 'safari';
+ result.version = extractVersion(navigator.userAgent,
+ /AppleWebKit\/(\d+)\./, 1);
+ } else { // Default fallthrough: not supported.
+ result.browser = 'Not a supported browser.';
+ return result;
+ }
+
+ return result;
+ }
+};
+
+},{}]},{},[3])(3)
+});
\ No newline at end of file
diff --git a/html5/verto/video_demo-live_canvas/js/verto-min.js b/html5/verto/video_demo-live_canvas/js/verto-min.js
index 78f8bc450e..2ac8e89e7e 100644
--- a/html5/verto/video_demo-live_canvas/js/verto-min.js
+++ b/html5/verto/video_demo-live_canvas/js/verto-min.js
@@ -1,630 +1,9508 @@
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.FSRTC.js - WebRTC Glue code
+ *
+ */
-(function($){function findLine(sdpLines,prefix,substr){return findLineInRange(sdpLines,0,-1,prefix,substr);}
-function findLineInRange(sdpLines,startLine,endLine,prefix,substr){var realEndLine=(endLine!=-1)?endLine:sdpLines.length;for(var i=startLine;i=0;if(iOS){self.options.useVideo.setAttribute("playsinline",true);self.options.useVideo.setAttribute("controls",true);}}
-var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.remoteStream=stream;}
-function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
-$.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP({type:"answer",sdp:sdp},onSuccess,onError);};$.FSRTC.prototype.stopPeer=function(){if(self.peer){console.log("stopping peer");self.peer.stop();}}
-$.FSRTC.prototype.stop=function(){var self=this;if(self.options.useVideo){self.options.useVideo.style.display='none';self.options.useVideo['src']='';}
-if(self.localStream){if(typeof self.localStream.stop=='function'){self.localStream.stop();}else{if(self.localStream.active){var tracks=self.localStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}
-self.localStream=null;}
-if(self.options.localVideo){self.options.localVideo.style.display='none';self.options.localVideo['src']='';}
-if(self.options.localVideoStream){if(typeof self.options.localVideoStream.stop=='function'){self.options.localVideoStream.stop();}else{if(self.options.localVideoStream.active){var tracks=self.options.localVideoStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}}
-if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.getMute=function(){var self=this;return self.audioEnabled;}
-$.FSRTC.prototype.setMute=function(what){var self=this;var audioTracks=self.localStream.getAudioTracks();for(var i=0,len=audioTracks.length;i=w&&$.FSRTC.validRes[i][1]>=h){w=$.FSRTC.validRes[i][0];h=$.FSRTC.validRes[i][1];}}
-return[w,h];}
-var resList=[[160,120],[320,180],[320,240],[640,360],[640,480],[1280,720],[1920,1080]];var resI=0;var ttl=0;var checkRes=function(cam,func){if(resI>=resList.length){var res={'validRes':$.FSRTC.validRes,'bestResSupported':$.FSRTC.bestResSupported()};localStorage.setItem("res_"+cam,$.toJSON(res));if(func)return func(res);return;}
-var video={}
-if(cam){video.deviceId={exact:cam};}
-w=resList[resI][0];h=resList[resI][1];resI++;video={width:{exact:w},height:{exact:h}};getUserMedia({constraints:{audio:ttl++==0,video:video},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info(w+"x"+h+" supported.");$.FSRTC.validRes.push([w,h]);checkRes(cam,func);},onerror:function(e){console.warn(w+"x"+h+" not supported.");checkRes(cam,func);}});}
-$.FSRTC.getValidRes=function(cam,func){var used=[];var cached=localStorage.getItem("res_"+cam);if(cached){var cache=$.parseJSON(cached);if(cache){$.FSRTC.validRes=cache.validRes;console.log("CACHED RES FOR CAM "+cam,cache);}else{console.error("INVALID CACHE");}
-return func?func(cache):null;}
-$.FSRTC.validRes=[];resI=0;checkRes(cam,func);}
-$.FSRTC.checkPerms=function(runtime,check_audio,check_video){getUserMedia({constraints:{audio:check_audio,video:check_video,},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info("media perm init complete");if(runtime){setTimeout(runtime,100,true);}},onerror:function(e){if(check_video&&check_audio){console.error("error, retesting with audio params only");return $.FSRTC.checkPerms(runtime,check_audio,false);}
-console.error("media perm init error");if(runtime){runtime(false)}}});}})(jQuery);(function($){$.JsonRpcClient=function(options){var self=this;this.options=$.extend({ajaxUrl:null,socketUrl:null,onmessage:null,login:null,passwd:null,sessid:null,loginParams:null,userVariables:null,getSocket:function(onmessage_cb){return self._getSocket(onmessage_cb);}},options);self.ws_cnt=0;this.wsOnMessage=function(event){self._wsOnMessage(event);};};$.JsonRpcClient.prototype._ws_socket=null;$.JsonRpcClient.prototype._ws_callbacks={};$.JsonRpcClient.prototype._current_id=1;$.JsonRpcClient.prototype.speedTest=function(bytes,cb){var socket=this.options.getSocket(this.wsOnMessage);if(socket!==null){this.speedCB=cb;this.speedBytes=bytes;socket.send("#SPU "+bytes);var loops=bytes/1024;var rem=bytes%1024;var i;var data=new Array(1024).join(".");for(i=0;i1){return false;}
-return true;};$.JsonRpcClient.prototype.closeSocket=function(){var self=this;if(self.socketReady()){self._ws_socket.onclose=function(w){console.log("Closing Socket");};self._ws_socket.close();}};$.JsonRpcClient.prototype.loginData=function(params){var self=this;self.options.login=params.login;self.options.passwd=params.passwd;self.options.loginParams=params.loginParams;self.options.userVariables=params.userVariables;};$.JsonRpcClient.prototype.connectSocket=function(onmessage_cb){var self=this;if(self.to){clearTimeout(self.to);}
-if(!self.socketReady()){self.authing=false;if(self._ws_socket){delete self._ws_socket;}
-self._ws_socket=new WebSocket(self.options.socketUrl);if(self._ws_socket){self._ws_socket.onmessage=onmessage_cb;self._ws_socket.onclose=function(w){if(!self.ws_sleep){self.ws_sleep=1000;}
-if(self.options.onWSClose){self.options.onWSClose(self);}
-console.error("Websocket Lost "+self.ws_cnt+" sleep: "+self.ws_sleep+"msec");self.to=setTimeout(function(){console.log("Attempting Reconnection....");self.connectSocket(onmessage_cb);},self.ws_sleep);self.ws_cnt++;if(self.ws_sleep<3000&&(self.ws_cnt%10)===0){self.ws_sleep+=1000;}};self._ws_socket.onopen=function(){if(self.to){clearTimeout(self.to);}
-self.ws_sleep=1000;self.ws_cnt=0;if(self.options.onWSConnect){self.options.onWSConnect(self);}
-var req;while((req=$.JsonRpcClient.q.pop())){self._ws_socket.send(req);}};}}
-return self._ws_socket?true:false;};$.JsonRpcClient.prototype.stopRetrying=function(){if(self.to)
-clearTimeout(self.to);}
-$.JsonRpcClient.prototype._getSocket=function(onmessage_cb){if(this.options.socketUrl===null||!("WebSocket"in window))return null;this.connectSocket(onmessage_cb);return this._ws_socket;};$.JsonRpcClient.q=[];$.JsonRpcClient.prototype._wsCall=function(socket,request,success_cb,error_cb){var request_json=$.toJSON(request);if(socket.readyState<1){self=this;$.JsonRpcClient.q.push(request_json);}else{socket.send(request_json);}
-if('id'in request&&typeof success_cb!=='undefined'){this._ws_callbacks[request.id]={request:request_json,request_obj:request,success_cb:success_cb,error_cb:error_cb};}};$.JsonRpcClient.prototype._wsOnMessage=function(event){var response;if(event.data[0]=="#"&&event.data[1]=="S"&&event.data[2]=="P"){if(event.data[3]=="U"){this.up_dur=parseInt(event.data.substring(4));}else if(this.speedCB&&event.data[3]=="D"){this.down_dur=parseInt(event.data.substring(4));var up_kps=(((this.speedBytes*8)/(this.up_dur/1000))/1024).toFixed(0);var down_kps=(((this.speedBytes*8)/(this.down_dur/1000))/1024).toFixed(0);console.info("Speed Test: Up: "+up_kps+" Down: "+down_kps);this.speedCB(event,{upDur:this.up_dur,downDur:this.down_dur,upKPS:up_kps,downKPS:down_kps});this.speedCB=null;}
-return;}
-try{response=$.parseJSON(event.data);if(typeof response==='object'&&'jsonrpc'in response&&response.jsonrpc==='2.0'){if('result'in response&&this._ws_callbacks[response.id]){var success_cb=this._ws_callbacks[response.id].success_cb;delete this._ws_callbacks[response.id];success_cb(response.result,this);return;}else if('error'in response&&this._ws_callbacks[response.id]){var error_cb=this._ws_callbacks[response.id].error_cb;var orig_req=this._ws_callbacks[response.id].request;if(!self.authing&&response.error.code==-32000&&self.options.login&&self.options.passwd){self.authing=true;this.call("login",{login:self.options.login,passwd:self.options.passwd,loginParams:self.options.loginParams,userVariables:self.options.userVariables},this._ws_callbacks[response.id].request_obj.method=="login"?function(e){self.authing=false;console.log("logged in");delete self._ws_callbacks[response.id];if(self.options.onWSLogin){self.options.onWSLogin(true,self);}}:function(e){self.authing=false;console.log("logged in, resending request id: "+response.id);var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send(orig_req);}
-if(self.options.onWSLogin){self.options.onWSLogin(true,self);}},function(e){console.log("error logging in, request id:",response.id);delete self._ws_callbacks[response.id];error_cb(response.error,this);if(self.options.onWSLogin){self.options.onWSLogin(false,self);}});return;}
-delete this._ws_callbacks[response.id];error_cb(response.error,this);return;}}}catch(err){console.log("ERROR: "+err);return;}
-if(typeof this.options.onmessage==='function'){event.eventData=response;if(!event.eventData){event.eventData={};}
-var reply=this.options.onmessage(event);if(reply&&typeof reply==="object"&&event.eventData.id){var msg={jsonrpc:"2.0",id:event.eventData.id,result:reply};var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send($.toJSON(msg));}}}};$.JsonRpcClient._batchObject=function(jsonrpcclient,all_done_cb,error_cb){this._requests=[];this.jsonrpcclient=jsonrpcclient;this.all_done_cb=all_done_cb;this.error_cb=typeof error_cb==='function'?error_cb:function(){};};$.JsonRpcClient._batchObject.prototype.call=function(method,params,success_cb,error_cb){if(!params){params={};}
-if(this.options.sessid){params.sessid=this.options.sessid;}
-if(!success_cb){success_cb=function(e){console.log("Success: ",e);};}
-if(!error_cb){error_cb=function(e){console.log("Error: ",e);};}
-this._requests.push({request:{jsonrpc:'2.0',method:method,params:params,id:this.jsonrpcclient._current_id++},success_cb:success_cb,error_cb:error_cb});};$.JsonRpcClient._batchObject.prototype.notify=function(method,params){if(this.options.sessid){params.sessid=this.options.sessid;}
-this._requests.push({request:{jsonrpc:'2.0',method:method,params:params}});};$.JsonRpcClient._batchObject.prototype._execute=function(){var self=this;if(this._requests.length===0)return;var batch_request=[];var handlers={};var i=0;var call;var success_cb;var error_cb;var socket=self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);if(socket!==null){for(i=0;i0){data.params.useVideo=true;}
-if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
-dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);dialog.setState($.verto.enum.state.recovering);break;case'verto.invite':if(data.params.sdp&&data.params.sdp.indexOf("m=video")>0){data.params.wantVideo=true;}
-if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
-dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);break;default:console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");break;}}
-return{method:data.method};}else{switch(data.method){case'verto.punt':verto.purge();verto.logout();break;case'verto.event':var list=null;var key=null;if(data.params){key=data.params.eventChannel;}
-if(key){list=verto.eventSUBS[key];if(!list){list=verto.eventSUBS[key.split(".")[0]];}}
-if(!list&&key&&key===verto.sessid){if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.pvtEvent,data.params);}}else if(!list&&key&&verto.dialogs[key]){verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent,data.params);}else if(!list){if(!key){key="UNDEFINED";}
-console.error("UNSUBBED or invalid EVENT "+key+" IGNORED");}else{for(var i in list){var sub=list[i];if(!sub||!sub.ready){console.error("invalid EVENT for "+key+" IGNORED");}else if(sub.handler){sub.handler(verto,data.params,sub.userData);}else if(verto.callbacks.onEvent){verto.callbacks.onEvent(verto,data.params,sub.userData);}else{console.log("EVENT:",data.params);}}}
-break;case"verto.info":if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.info,data.params.msg);}
-console.debug("MESSAGE from: "+data.params.msg.from,data.params.msg.body);break;case'verto.clientReady':verto.callbacks.onMessage(verto,null,$.verto.enum.message.clientReady,data.params);console.debug("CLIENT READY",data.params);break;default:console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED",data.method);break;}}};var del_array=function(array,name){var r=[];var len=array.length;for(var i=0;i=array.length){array.push(name);}else{var x=0;var n=[];var len=array.length;for(var i=0;i":"\n");});return str;};};$.verto.liveArray=function(verto,context,name,config){var la=this;var lastSerno=0;var binding=null;var user_obj=config.userObj;var local=false;hashArray.call(la);la._add=la.add;la._del=la.del;la._reorder=la.reorder;la._clear=la.clear;la.context=context;la.name=name;la.user_obj=user_obj;la.verto=verto;la.broadcast=function(channel,obj){verto.broadcast(channel,obj);};la.errs=0;la.clear=function(){la._clear();lastSerno=0;if(la.onChange){la.onChange(la,{action:"clear"});}};la.checkSerno=function(serno){if(serno<0){return true;}
-if(lastSerno>0&&serno!=(lastSerno+1)){if(la.onErr){la.onErr(la,{lastSerno:lastSerno,serno:serno});}
-la.errs++;console.debug(la.errs);if(la.errs<3){la.bootstrap(la.user_obj);}
-return false;}else{lastSerno=serno;return true;}};la.reorder=function(serno,a){if(la.checkSerno(serno)){la._reorder(a);if(la.onChange){la.onChange(la,{serno:serno,action:"reorder"});}}};la.init=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){if(la.onChange){la.onChange(la,{serno:serno,action:"init",index:index,key:key,data:val});}}};la.bootObj=function(serno,val){if(la.checkSerno(serno)){for(var i in val){la._add(val[i][0],val[i][1]);}
-if(la.onChange){la.onChange(la,{serno:serno,action:"bootObj",data:val,redraw:true});}}};la.add=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){var redraw=la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"add",index:index,key:key,data:val,redraw:redraw});}}};la.modify=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"modify",key:key,data:val,index:index});}}};la.del=function(serno,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){if(index===null||index<0||index===undefined){index=la.indexOf(key);}
-var ok=la._del(key);if(ok&&la.onChange){la.onChange(la,{serno:serno,action:"del",key:key,index:index});}}};var eventHandler=function(v,e,la){var packet=e.data;if(packet.name!=la.name){return;}
-switch(packet.action){case"init":la.init(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"bootObj":la.bootObj(packet.wireSerno,packet.data);break;case"add":la.add(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"modify":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.modify(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);}
-break;case"del":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.del(packet.wireSerno,packet.hashKey,packet.arrIndex);}
-break;case"clear":la.clear();break;case"reorder":la.reorder(packet.wireSerno,packet.order);break;default:if(la.checkSerno(packet.wireSerno)){if(la.onChange){la.onChange(la,{serno:packet.wireSerno,action:packet.action,data:packet.data});}}
-break;}};if(la.context){binding=la.verto.subscribe(la.context,{handler:eventHandler,userData:la,subParams:config.subParams});}
-la.destroy=function(){la._clear();la.verto.unsubscribe(binding);};la.sendCommand=function(cmd,obj){var self=la;self.broadcast(self.context,{liveArray:{command:cmd,context:self.context,name:self.name,obj:obj}});};la.bootstrap=function(obj){var self=la;la.sendCommand("bootstrap",obj);};la.changepage=function(obj){var self=la;self.clear();self.broadcast(self.context,{liveArray:{command:"changepage",context:la.context,name:la.name,obj:obj}});};la.heartbeat=function(obj){var self=la;var callback=function(){self.heartbeat.call(self,obj);};self.broadcast(self.context,{liveArray:{command:"heartbeat",context:self.context,name:self.name,obj:obj}});self.hb_pid=setTimeout(callback,30000);};la.bootstrap(la.user_obj);};$.verto.liveTable=function(verto,context,name,jq,config){var dt;var la=new $.verto.liveArray(verto,context,name,{subParams:config.subParams});var lt=this;lt.liveArray=la;lt.dataTable=dt;lt.verto=verto;lt.destroy=function(){if(dt){dt.fnDestroy();}
-if(la){la.destroy();}
-dt=null;la=null;};la.onErr=function(obj,args){console.error("Error: ",obj,args);};function genRow(data){if(typeof(data[4])==="string"&&data[4].indexOf("{")>-1){var tmp=$.parseJSON(data[4]);data[4]=tmp.oldStatus;data[5]=null;}
-return data;}
-function genArray(obj){var data=obj.asArray();for(var i in data){data[i]=genRow(data[i]);}
-return data;}
-la.onChange=function(obj,args){var index=0;var iserr=0;if(!dt){if(!config.aoColumns){if(args.action!="init"){return;}
-config.aoColumns=[];for(var i in args.data){config.aoColumns.push({"sTitle":args.data[i]});}}
-dt=jq.dataTable(config);}
-if(dt&&(args.action=="del"||args.action=="modify")){index=args.index;if(index===undefined&&args.key){index=la.indexOf(args.key);}
-if(index===undefined){console.error("INVALID PACKET Missing INDEX\n",args);return;}}
-if(config.onChange){config.onChange(obj,args);}
-try{switch(args.action){case"bootObj":if(!args.data){console.error("missing data");return;}
-dt.fnClearTable();dt.fnAddData(genArray(obj));dt.fnAdjustColumnSizing();break;case"add":if(!args.data){console.error("missing data");return;}
-if(args.redraw>-1){dt.fnClearTable();dt.fnAddData(genArray(obj));}else{dt.fnAddData(genRow(args.data));}
-dt.fnAdjustColumnSizing();break;case"modify":if(!args.data){return;}
-dt.fnUpdate(genRow(args.data),index);dt.fnAdjustColumnSizing();break;case"del":dt.fnDeleteRow(index);dt.fnAdjustColumnSizing();break;case"clear":dt.fnClearTable();break;case"reorder":dt.fnClearTable();dt.fnAddData(genArray(obj));break;case"hide":jq.hide();break;case"show":jq.show();break;}}catch(err){console.error("ERROR: "+err);iserr++;}
-if(iserr){obj.errs++;if(obj.errs<3){obj.bootstrap(obj.user_obj);}}else{obj.errs=0;}};la.onChange(la,{action:"init"});};var CONFMAN_SERNO=1;$.verto.conf=function(verto,params){var conf=this;conf.params=$.extend({dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);conf.verto=verto;conf.serno=CONFMAN_SERNO++;createMainModeratorMethods();verto.subscribe(conf.params.laData.modChannel,{handler:function(v,e){if(conf.params.onBroadcast){conf.params.onBroadcast(verto,conf,e.data);}}});verto.subscribe(conf.params.laData.infoChannel,{handler:function(v,e){if(typeof(conf.params.infoCallback)==="function"){conf.params.infoCallback(v,e);}}});verto.subscribe(conf.params.laData.chatChannel,{handler:function(v,e){if(typeof(conf.params.chatCallback)==="function"){conf.params.chatCallback(v,e);}}});};$.verto.conf.prototype.modCommand=function(cmd,id,value){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.modChannel,"data":{"application":"conf-control","command":cmd,"id":id,"value":value}});};$.verto.conf.prototype.destroy=function(){var conf=this;conf.destroyed=true;conf.params.onBroadcast(conf.verto,conf,'destroy');if(conf.params.laData.modChannel){conf.verto.unsubscribe(conf.params.laData.modChannel);}
-if(conf.params.laData.chatChannel){conf.verto.unsubscribe(conf.params.laData.chatChannel);}
-if(conf.params.laData.infoChannel){conf.verto.unsubscribe(conf.params.laData.infoChannel);}};function createMainModeratorMethods(){$.verto.conf.prototype.listVideoLayouts=function(){this.modCommand("list-videoLayouts",null,null);};$.verto.conf.prototype.play=function(file){this.modCommand("play",null,file);};$.verto.conf.prototype.stop=function(){this.modCommand("stop",null,"all");};$.verto.conf.prototype.deaf=function(memberID){this.modCommand("deaf",parseInt(memberID));};$.verto.conf.prototype.undeaf=function(memberID){this.modCommand("undeaf",parseInt(memberID));};$.verto.conf.prototype.record=function(file){this.modCommand("recording",null,["start",file]);};$.verto.conf.prototype.stopRecord=function(){this.modCommand("recording",null,["stop","all"]);};$.verto.conf.prototype.snapshot=function(file){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-write-png",null,file);};$.verto.conf.prototype.setVideoLayout=function(layout,canvasID){if(!this.params.hasVid){throw'Conference has no video';}
-if(canvasID){this.modCommand("vid-layout",null,[layout,canvasID]);}else{this.modCommand("vid-layout",null,layout);}};$.verto.conf.prototype.kick=function(memberID){this.modCommand("kick",parseInt(memberID));};$.verto.conf.prototype.muteMic=function(memberID){this.modCommand("tmute",parseInt(memberID));};$.verto.conf.prototype.muteVideo=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("tvmute",parseInt(memberID));};$.verto.conf.prototype.presenter=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-res-id",parseInt(memberID),"presenter");};$.verto.conf.prototype.videoFloor=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-floor",parseInt(memberID),"force");};$.verto.conf.prototype.banner=function(memberID,text){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-banner",parseInt(memberID),escape(text));};$.verto.conf.prototype.volumeDown=function(memberID){this.modCommand("volume_out",parseInt(memberID),"down");};$.verto.conf.prototype.volumeUp=function(memberID){this.modCommand("volume_out",parseInt(memberID),"up");};$.verto.conf.prototype.gainDown=function(memberID){this.modCommand("volume_in",parseInt(memberID),"down");};$.verto.conf.prototype.gainUp=function(memberID){this.modCommand("volume_in",parseInt(memberID),"up");};$.verto.conf.prototype.transfer=function(memberID,exten){this.modCommand("transfer",parseInt(memberID),exten);};$.verto.conf.prototype.sendChat=function(message,type){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.chatChannel,"data":{"action":"send","message":message,"type":type}});};}
-$.verto.modfuncs={};$.verto.confMan=function(verto,params){var confMan=this;confMan.params=$.extend({tableID:null,statusID:null,mainModID:null,dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);confMan.verto=verto;confMan.serno=CONFMAN_SERNO++;confMan.canvasCount=confMan.params.laData.canvasCount;function genMainMod(jq){var play_id="play_"+confMan.serno;var stop_id="stop_"+confMan.serno;var recording_id="recording_"+confMan.serno;var snapshot_id="snapshot_"+confMan.serno;var rec_stop_id="recording_stop"+confMan.serno;var div_id="confman_"+confMan.serno;var html="Play "+"Stop "+"Record "+"Record Stop "+
-(confMan.params.hasVid?"PNG Snapshot ":"")+"
";jq.html(html);$.verto.modfuncs.change_video_layout=function(id,canvas_id){var val=$("#"+id+" option:selected").text();if(val!=="none"){confMan.modCommand("vid-layout",null,[val,canvas_id]);}};if(confMan.params.hasVid){for(var j=0;jVideo Layout Canvas "+(j+1)+" ";html+="General Controls
Kick "+"Mute "+"Gain - "+"Gain + "+"Vol - "+"Vol + "+"Transfer ";if(confMan.params.hasVid){html+="Video Controls VMute "+"Presenter "+"Vid Floor "+"Banner ";if(confMan.canvasCount>1){html+="Canvas Controls Set Input Canvas "+"Prev Input Canvas "+"Next Input Canvas "+"Set Watching Canvas "+"Prev Watching Canvas "+"Next Watching Canvas ";}
-html+="Set Layer "+"Prev Layer "+"Next Layer "+"";}
-jq.html(html);if(!jq.data("mouse")){$("#"+box_id).hide();}
-jq.mouseover(function(e){jq.data({"mouse":true});$("#"+box_id).show();});jq.mouseout(function(e){jq.data({"mouse":false});$("#"+box_id).hide();});$("#"+transfer_id).click(function(){var xten=prompt("Enter Extension");if(xten){confMan.modCommand("transfer",x,xten);}});$("#"+kick_id).click(function(){confMan.modCommand("kick",x);});$("#"+layer_set_id).click(function(){var cid=prompt("Please enter layer ID","");if(cid){confMan.modCommand("vid-layer",x,cid);}});$("#"+layer_next_id).click(function(){confMan.modCommand("vid-layer",x,"next");});$("#"+layer_prev_id).click(function(){confMan.modCommand("vid-layer",x,"prev");});$("#"+canvas_in_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-canvas",x,cid);}});$("#"+canvas_out_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-watching-canvas",x,cid);}});$("#"+canvas_in_next_id).click(function(){confMan.modCommand("vid-canvas",x,"next");});$("#"+canvas_in_prev_id).click(function(){confMan.modCommand("vid-canvas",x,"prev");});$("#"+canvas_out_next_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"next");});$("#"+canvas_out_prev_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"prev");});$("#"+tmute_id).click(function(){confMan.modCommand("tmute",x);});if(confMan.params.hasVid){$("#"+tvmute_id).click(function(){confMan.modCommand("tvmute",x);});$("#"+tvpresenter_id).click(function(){confMan.modCommand("vid-res-id",x,"presenter");});$("#"+tvfloor_id).click(function(){confMan.modCommand("vid-floor",x,"force");});$("#"+vbanner_id).click(function(){var text=prompt("Please enter text","");if(text){confMan.modCommand("vid-banner",x,escape(text));}});}
-$("#"+gainup_id).click(function(){confMan.modCommand("volume_in",x,"up");});$("#"+gaindn_id).click(function(){confMan.modCommand("volume_in",x,"down");});$("#"+volup_id).click(function(){confMan.modCommand("volume_out",x,"up");});$("#"+voldn_id).click(function(){confMan.modCommand("volume_out",x,"down");});return html;}
-var atitle="";var awidth=0;verto.subscribe(confMan.params.laData.infoChannel,{handler:function(v,e){if(typeof(confMan.params.infoCallback)==="function"){confMan.params.infoCallback(v,e);}}});verto.subscribe(confMan.params.laData.chatChannel,{handler:function(v,e){if(typeof(confMan.params.chatCallback)==="function"){confMan.params.chatCallback(v,e);}}});if(confMan.params.laData.role==="moderator"){atitle="Action";awidth=600;if(confMan.params.mainModID){genMainMod($(confMan.params.mainModID));$(confMan.params.displayID).html("Moderator Controls Readyb)?1:-1));});for(var i in options){$(vlselect_id).append(new Option(options[i],options[i]));x++;}}
-if(x){$(vlselect_id).selectmenu('refresh',true);}else{$(vlayout_id).hide();}}}else{if(!confMan.destroyed&&confMan.params.displayID){$(confMan.params.displayID).html(e.data.response+"=14393&&url.indexOf('?transport=udp')===-1;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}
-function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i0;i--){this._iceGatherers=new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy});}}else{config.iceCandidatePoolSize=0;}
-this._config=config;this.transceivers=[];this._sdpSessionId=SDPUtils.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=undefined;this._isClosed=false;};RTCPeerConnection.prototype.onicecandidate=null;RTCPeerConnection.prototype.onaddstream=null;RTCPeerConnection.prototype.ontrack=null;RTCPeerConnection.prototype.onremovestream=null;RTCPeerConnection.prototype.onsignalingstatechange=null;RTCPeerConnection.prototype.oniceconnectionstatechange=null;RTCPeerConnection.prototype.onicegatheringstatechange=null;RTCPeerConnection.prototype.onnegotiationneeded=null;RTCPeerConnection.prototype.ondatachannel=null;RTCPeerConnection.prototype._dispatchEvent=function(name,event){if(this._isClosed){return;}
-this.dispatchEvent(event);if(typeof this['on'+name]==='function'){this['on'+name](event);}};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this._dispatchEvent('icegatheringstatechange',event);};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams;};RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams;};RTCPeerConnection.prototype._createTransceiver=function(kind){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
-this.transceivers.push(transceiver);return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){var alreadyExists=this.transceivers.find(function(s){return s.track===track;});if(alreadyExists){throw makeError('InvalidAccessError','Track already exists.');}
-if(this.signalingState==='closed'){throw makeError('InvalidStateError','Attempted to call addTrack on a closed peerconnection.');}
-var transceiver;for(var i=0;i=15025){stream.getTracks().forEach(function(track){pc.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){pc.addTrack(track,clonedStream);});}};RTCPeerConnection.prototype.removeTrack=function(sender){if(!(sender instanceof window.RTCRtpSender)){throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.');}
-var transceiver=this.transceivers.find(function(t){return t.rtpSender===sender;});if(!transceiver){throw makeError('InvalidAccessError','Sender was not created by this connection.');}
-var stream=transceiver.stream;transceiver.rtpSender.stop();transceiver.rtpSender=null;transceiver.track=null;transceiver.stream=null;var localStreams=this.transceivers.map(function(t){return t.stream;});if(localStreams.indexOf(stream)===-1&&this.localStreams.indexOf(stream)>-1){this.localStreams.splice(this.localStreams.indexOf(stream),1);}
-this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach(function(track){var sender=pc.getSenders().find(function(s){return s.track===track;});if(sender){pc.removeTrack(sender);}});};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0){return this.transceivers[0].iceGatherer;}else if(this._iceGatherers.length){return this._iceGatherers.shift();}
-var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(iceGatherer,'state',{value:'new',writable:true});this.transceivers[sdpMLineIndex].candidates=[];this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;iceGatherer.state=end?'completed':'gathering';if(pc.transceivers[sdpMLineIndex].candidates!==null){pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);}};iceGatherer.addEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);return iceGatherer;};RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this;var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer.onlocalcandidate){return;}
-var candidates=this.transceivers[sdpMLineIndex].candidates;this.transceivers[sdpMLineIndex].candidates=null;iceGatherer.removeEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);iceGatherer.onlocalcandidate=function(evt){if(pc.usingBundle&&sdpMLineIndex>0){return;}
-var event=new Event('icecandidate');event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state==='new'||iceGatherer.state==='gathering'){iceGatherer.state='completed';}}else{if(iceGatherer.state==='new'){iceGatherer.state='gathering';}
-cand.component=1;event.candidate.candidate=SDPUtils.writeCandidate(cand);}
-var sections=SDPUtils.splitSections(pc.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex+1]+='a=end-of-candidates\r\n';}
-pc.localDescription.sdp=sections.join('');var complete=pc.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});if(pc.iceGatheringState!=='gathering'){pc.iceGatheringState='gathering';pc._emitGatheringStateChange();}
-if(!end){pc._dispatchEvent('icecandidate',event);}
-if(complete){pc._dispatchEvent('icecandidate',new Event('icecandidate'));pc.iceGatheringState='complete';pc._emitGatheringStateChange();}};window.setTimeout(function(){candidates.forEach(function(candidate){var e=new Event('RTCIceGatherEvent');e.candidate=candidate;iceGatherer.onlocalcandidate(e);});},0);};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});pc._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
-var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
-var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlsstatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
-transceiver.rtpSender.send(params);}
-if(recv&&transceiver.rtpReceiver&¶ms.codecs.length>0){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
-if(transceiver.recvEncodingParameters.length){params.encodings=transceiver.recvEncodingParameters;}
-params.rtcp={compound:transceiver.rtcpParameters.compound};if(transceiver.rtcpParameters.cname){params.rtcp.cname=transceiver.rtcpParameters.cname;}
-if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
-transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var pc=this;if(!isActionAllowedInSignalingState('setLocalDescription',description.type,this.signalingState)||this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set local '+description.type+' in state '+pc.signalingState));}
-var sections;var sessionpart;if(description.type==='offer'){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps;});this.transceivers.forEach(function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex);});}else if(description.type==='answer'){sections=SDPUtils.splitSections(pc.remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role='server';}
-if(!pc.usingBundle||sdpMLineIndex===0){pc._gather(transceiver.mid,sdpMLineIndex);if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?'controlling':'controlled');}
-if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
-var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,false);}});}
-this.localDescription={type:description.type,sdp:description.sdp};switch(description.type){case'offer':this._updateSignalingState('have-local-offer');break;case'answer':this._updateSignalingState('stable');break;default:throw new TypeError('unsupported type "'+description.type+'"');}
-return Promise.resolve();};RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,this.signalingState)||this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set remote '+description.type+' in state '+pc.signalingState));}
-var streams={};this.remoteStreams.forEach(function(stream){streams[stream.id]=stream;});var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;this.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){this.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{this.canTrickleIceCandidates=false;}
-sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(kind==='application'&&protocol==='DTLS/SCTP'){pc.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return;}
-var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
-recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]){pc._disposeIceAndDtlsTransports(sdpMLineIndex);pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer;pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport;pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport;if(pc.transceivers[sdpMLineIndex].rtpSender){pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);}
-if(pc.transceivers[sdpMLineIndex].rtpReceiver){pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);}}
-if(description.type==='offer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle);}
-if(cands.length&&transceiver.iceTransport.state==='new'){if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
-localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
-sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+2)*1001}];var isNewTrack=false;if(direction==='sendrecv'||direction==='sendonly'){isNewTrack=!transceiver.rtpReceiver;rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);if(isNewTrack){var stream;track=rtpReceiver.track;if(remoteMsid&&remoteMsid.stream==='-'){}else if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
-Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});stream=streams[remoteMsid.stream];}else{if(!streams.default){streams.default=new window.MediaStream();}
-stream=streams.default;}
-if(stream){addTrackToStreamAndFireEvent(track,stream);transceiver.associatedRemoteMediaStreams.push(stream);}
-receiverList.push([track,rtpReceiver,stream]);}}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track){transceiver.associatedRemoteMediaStreams.forEach(function(s){var nativeTrack=s.getTracks().find(function(t){return t.id===transceiver.rtpReceiver.track.id;});if(nativeTrack){removeTrackFromStreamAndFireEvent(nativeTrack,s);}});transceiver.associatedRemoteMediaStreams=[];}
-transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;pc._transceive(pc.transceivers[sdpMLineIndex],false,isNewTrack);}else if(description.type==='answer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if(cands.length&&iceTransport.state==='new'){if((isIceLite||isComplete)&&(!usingBundle||sdpMLineIndex===0)){iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
-if(!usingBundle||sdpMLineIndex===0){if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,'controlling');}
-if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
-pc._transceive(transceiver,direction==='sendrecv'||direction==='recvonly',direction==='sendrecv'||direction==='sendonly');if(rtpReceiver&&(direction==='sendrecv'||direction==='sendonly')){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
-addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
-addTrackToStreamAndFireEvent(track,streams.default);receiverList.push([track,rtpReceiver,streams.default]);}}else{delete transceiver.rtpReceiver;}}});if(this._dtlsRole===undefined){this._dtlsRole=description.type==='offer'?'active':'passive';}
-this.remoteDescription={type:description.type,sdp:description.sdp};switch(description.type){case'offer':this._updateSignalingState('have-remote-offer');break;case'answer':this._updateSignalingState('stable');break;default:throw new TypeError('unsupported type "'+description.type+'"');}
-Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){if(pc.remoteStreams.indexOf(stream)===-1){pc.remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;window.setTimeout(function(){pc._dispatchEvent('addstream',event);});}
-receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return;}
-fireAddTrack(pc,track,receiver,[stream]);});}});receiverList.forEach(function(item){if(item[2]){return;}
-fireAddTrack(pc,item[0],item[1],[]);});window.setTimeout(function(){if(!(pc&&pc.transceivers)){return;}
-pc.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
-if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
-if(transceiver.rtpSender){transceiver.rtpSender.stop();}
-if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._isClosed=true;this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this._dispatchEvent('signalingstatechange',event);};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
-this.needNegotiation=true;window.setTimeout(function(){if(pc.needNegotiation===false){return;}
-pc.needNegotiation=false;var event=new Event('negotiationneeded');pc._dispatchEvent('negotiationneeded',event);},0);};RTCPeerConnection.prototype._updateConnectionState=function(){var newState;var states={'new':0,closed:0,connecting:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;});states.connected+=states.completed;newState='new';if(states.failed>0){newState='failed';}else if(states.connecting>0||states.checking>0){newState='connecting';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0||states.completed>0){newState='connected';}
-if(newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event('iceconnectionstatechange');this._dispatchEvent('iceconnectionstatechange',event);}};RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createOffer after close'));}
-var numAudioTracks=this.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=this.transceivers.filter(function(t){return t.kind==='video';}).length;var offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
-if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
-if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
-this.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){this._createTransceiver('audio');numAudioTracks--;}
-if(numVideoTracks>0){this._createTransceiver('video');numVideoTracks--;}}
-var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);this.transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle);}
-var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
-localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}});var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'&&!sendEncodingParameters[0].rtx){sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1};}}
-if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
-transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(this._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
-sdp+='a=ice-options:trickle\r\n';this.transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream,pc._dtlsRole);sdp+='a=rtcp-rsize\r\n';if(transceiver.iceGatherer&&pc.iceGatheringState!=='new'&&(sdpMLineIndex===0||!pc.usingBundle)){transceiver.iceGatherer.getLocalCandidates().forEach(function(cand){cand.component=1;sdp+='a='+SDPUtils.writeCandidate(cand)+'\r\n';});if(transceiver.iceGatherer.state==='completed'){sdp+='a=end-of-candidates\r\n';}}});var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer after close'));}
-var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);if(this.usingBundle){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
-var mediaSectionsInOffer=SDPUtils.splitSections(this.remoteDescription.sdp).length-1;this.transceivers.forEach(function(transceiver,sdpMLineIndex){if(sdpMLineIndex+1>mediaSectionsInOffer){return;}
-if(transceiver.isDatachannel){sdp+='m=application 0 DTLS/SCTP 5000\r\n'+'c=IN IP4 0.0.0.0\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
-if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
-if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'&&!transceiver.sendEncodingParameters[0].rtx){transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1};}}}
-var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
-sdp+=writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream,pc._dtlsRole);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){var sections;if(!candidate||candidate.candidate===''){for(var j=0;j0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return Promise.resolve();}
-if(cand.component&&cand.component!==1){return Promise.resolve();}
-if(sdpMLineIndex===0||(sdpMLineIndex>0&&transceiver.iceTransport!==this.transceivers[0].iceTransport)){if(!maybeAddCandidate(transceiver.iceTransport,cand)){return Promise.reject(makeError('OperationError','Can not add ICE candidate'));}}
-var candidateString=candidate.candidate.trim();if(candidateString.indexOf('a=')===0){candidateString=candidateString.substr(2);}
-sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[sdpMLineIndex+1]+='a='+
-(cand.type?candidateString:'end-of-candidates')
-+'\r\n';this.remoteDescription.sdp=sections.join('');}else{return Promise.reject(makeError('OperationError','Can not add ICE candidate'));}}
-return Promise.resolve();};RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});var fixStatsType=function(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;};return new Promise(function(resolve){var results=new Map();Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id]);});});resolve(results);});});};var methods=['createOffer','createAnswer'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[0]==='function'||typeof args[1]==='function'){return nativeMethod.apply(this,[arguments[2]]).then(function(description){if(typeof args[0]==='function'){args[0].apply(null,[description]);}},function(error){if(typeof args[1]==='function'){args[1].apply(null,[error]);}});}
-return nativeMethod.apply(this,arguments);};});methods=['setLocalDescription','setRemoteDescription','addIceCandidate'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'||typeof args[2]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}},function(error){if(typeof args[2]==='function'){args[2].apply(null,[error]);}});}
-return nativeMethod.apply(this,arguments);};});['getStats'].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}});}
-return nativeMethod.apply(this,arguments);};});return RTCPeerConnection;};},{"sdp":2}],2:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
-var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
-(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1);}else{parts.attribute=line.substr(sp+1);}
-return parts;};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}}
-SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
-return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
-sdp+='a=rtcp-mux\r\n';caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.split(' ');parts.shift();return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
-description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
-var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
--(50*40*8);}else{bandwidth=undefined;}
-encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
-return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
-var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
-var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId,sessVer){var sessionId;var version=sessVer!==undefined?sessVer:2;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
-return'v=0\r\n'+'o=thisisadapterortc '+sessionId+' '+version+' IN IP4 127.0.0.1\r\n'+'s=-\r\n'+'t=0 0\r\n';};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
-if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
-transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
-transceiver.sendEncodingParameters[0].ssrc+' '+
-transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
-sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
-return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i=65){return this.shimAddTrackRemoveTrackWithNative(window);}
-var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var pc=this;var nativeStreams=origGetLocalStreams.apply(this);pc._reverseStreams=pc._reverseStreams||{};return nativeStreams.map(function(stream){return pc._reverseStreams[stream.id];});};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=pc.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});if(!pc._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());pc._streams[stream.id]=newStream;pc._reverseStreams[newStream.id]=stream;stream=newStream;}
-origAddStream.apply(pc,[stream]);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};origRemoveStream.apply(pc,[(pc._streams[stream.id]||stream)]);delete pc._reverseStreams[(pc._streams[stream.id]?pc._streams[stream.id].id:stream.id)];delete pc._streams[stream.id];};window.RTCPeerConnection.prototype.addTrack=function(track,stream){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
-var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
-var alreadyExists=pc.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
-pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};var oldStream=pc._streams[stream.id];if(oldStream){oldStream.addTrack(track);Promise.resolve().then(function(){pc.dispatchEvent(new Event('negotiationneeded'));});}else{var newStream=new window.MediaStream([track]);pc._streams[stream.id]=newStream;pc._reverseStreams[newStream.id]=stream;pc.addStream(newStream);}
-return pc.getSenders().find(function(s){return s.track===track;});};function replaceInternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,'g'),externalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
-function replaceExternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,'g'),internalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
-['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var pc=this;var args=arguments;var isLegacyCall=arguments.length&&typeof arguments[0]==='function';if(isLegacyCall){return nativeMethod.apply(pc,[function(description){var desc=replaceInternalStreamId(pc,description);args[0].apply(null,[desc]);},function(err){if(args[1]){args[1].apply(null,err);}},arguments[2]]);}
-return nativeMethod.apply(pc,arguments).then(function(description){return replaceInternalStreamId(pc,description);});};});var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){var pc=this;if(!arguments.length||!arguments[0].type){return origSetLocalDescription.apply(pc,arguments);}
-arguments[0]=replaceExternalStreamId(pc,arguments[0]);return origSetLocalDescription.apply(pc,arguments);};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,'localDescription');Object.defineProperty(window.RTCPeerConnection.prototype,'localDescription',{get:function(){var pc=this;var description=origLocalDescription.get.apply(this);if(description.type===''){return description;}
-return replaceInternalStreamId(pc,description);}});window.RTCPeerConnection.prototype.removeTrack=function(sender){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
-if(!sender._pc){throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.','TypeError');}
-var isLocal=sender._pc===pc;if(!isLocal){throw new DOMException('Sender was not created by this connection.','InvalidAccessError');}
-pc._streams=pc._streams||{};var stream;Object.keys(pc._streams).forEach(function(streamid){var hasTrack=pc._streams[streamid].getTracks().find(function(track){return sender.track===track;});if(hasTrack){stream=pc._streams[streamid];}});if(stream){if(stream.getTracks().length===1){pc.removeStream(pc._reverseStreams[stream.id]);}else{stream.removeTrack(sender.track);}
-pc.dispatchEvent(new Event('negotiationneeded'));}};},shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(!window.RTCPeerConnection&&window.webkitRTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging('PeerConnection');if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy;}
-return new window.webkitRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.webkitRTCPeerConnection.prototype;if(window.webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.webkitRTCPeerConnection.generateCertificate;}});}}else{var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
-if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
-var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
-return new Promise(function(resolve,reject){origGetStats.apply(pc,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};if(browserDetails.version<51){['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var args=arguments;var pc=this;var promise=new Promise(function(resolve,reject){nativeMethod.apply(pc,[args[0],resolve,reject]);});if(args.length<2){return promise;}
-return promise.then(function(){args[1].apply(null,[]);},function(err){if(args.length>=3){args[2].apply(null,[err]);}});};});}
-if(browserDetails.version<52){['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var pc=this;if(arguments.length<1||(arguments.length===1&&typeof arguments[0]==='object')){var opts=arguments.length===1?arguments[0]:undefined;return new Promise(function(resolve,reject){nativeMethod.apply(pc,[resolve,reject,opts]);});}
-return nativeMethod.apply(this,arguments);};});}
-['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
-return Promise.resolve();}
-return nativeAddIceCandidate.apply(this,arguments);};}};},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var constraintsToChrome_=function(c){if(typeof c!=='object'||c.mandatory||c.optional){return c;}
-var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
-var r=(typeof c[key]==='object')?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
-var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
-return(name==='deviceId')?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
-if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
-return cc;};var shimConstraints_=function(constraints,func){if(browserDetails.version>=61){return func(constraints);}
-constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&typeof constraints.audio==='object'){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
-if(constraints&&typeof constraints.video==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='object')?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if((face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment'))&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
-if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().indexOf(match)!==-1;});});if(!dev&&devices.length&&matches.indexOf('back')!==-1){dev=devices[devices.length-1];}
-if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
-constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
-constraints.video=constraintsToChrome_(constraints.video);}
-logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError',InvalidStateError:'NotReadableError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotReadableError',MediaDeviceKillSwitchOn:'NotReadableError'}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){if(onError){onError(shimError_(e));}});});};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject);});};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:'audioinput',video:'videoinput'};return window.MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:''};}));});});},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true};}};}
-if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints);};}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
-return stream;},function(e){return Promise.reject(shimError_(e));});});};}
-if(typeof navigator.mediaDevices.addEventListener==='undefined'){navigator.mediaDevices.addEventListener=function(){logging('Dummy mediaDevices.addEventListener called.');};}
-if(typeof navigator.mediaDevices.removeEventListener==='undefined'){navigator.mediaDevices.removeEventListener=function(){logging('Dummy mediaDevices.removeEventListener called.');};}};},{"../utils.js":13}],7:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');var utils=require('./utils');module.exports={shimRTCIceCandidate:function(window){if(window.RTCIceCandidate&&'foundation'in
-window.RTCIceCandidate.prototype){return;}
-var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if(typeof args==='object'&&args.candidate&&args.candidate.indexOf('a=')===0){args=JSON.parse(JSON.stringify(args));args.candidate=args.candidate.substr(2);}
-var nativeCandidate=new NativeRTCIceCandidate(args);var parsedCandidate=SDPUtils.parseCandidate(args.candidate);var augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment,};};return augmentedCandidate;};utils.wrapPeerConnectionEvent(window,'icecandidate',function(e){if(e.candidate){Object.defineProperty(e,'candidate',{value:new window.RTCIceCandidate(e.candidate),writable:'false'});}
-return e;});},shimCreateObjectURL:function(window){var URL=window&&window.URL;if(!(typeof window==='object'&&window.HTMLMediaElement&&'srcObject'in window.HTMLMediaElement.prototype&&URL.createObjectURL&&URL.revokeObjectURL)){return undefined;}
-var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map(),newId=0;URL.createObjectURL=function(stream){if('getTracks'in stream){var url='polyblob:'+(++newId);streams.set(url,stream);utils.deprecated('URL.createObjectURL(stream)','elem.srcObject = stream');return url;}
-return nativeCreateObjectURL(stream);};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url);};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,'src');Object.defineProperty(window.HTMLMediaElement.prototype,'src',{get:function(){return dsc.get.apply(this);},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url]);}});var nativeSetAttribute=window.HTMLMediaElement.prototype.setAttribute;window.HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(''+arguments[0]).toLowerCase()==='src'){this.srcObject=streams.get(arguments[1])||null;}
-return nativeSetAttribute.apply(this,arguments);};},shimMaxMessageSize:function(window){if(window.RTCSctpTransport||!window.RTCPeerConnection){return;}
-var browserDetails=utils.detectBrowser(window);if(!('sctp'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'sctp',{get:function(){return typeof this._sctp==='undefined'?null:this._sctp;}});}
-var sctpInDescription=function(description){var sections=SDPUtils.splitSections(description.sdp);sections.shift();return sections.some(function(mediaSection){var mLine=SDPUtils.parseMLine(mediaSection);return mLine&&mLine.kind==='application'&&mLine.protocol.indexOf('SCTP')!==-1;});};var getRemoteFirefoxVersion=function(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(match===null||match.length<2){return-1;}
-var version=parseInt(match[1],10);return version!==version?-1:version;};var getCanSendMaxMessageSize=function(remoteIsFirefox){var canSendMaxMessageSize=65536;if(browserDetails.browser==='firefox'){if(browserDetails.version<57){if(remoteIsFirefox===-1){canSendMaxMessageSize=16384;}else{canSendMaxMessageSize=2147483637;}}else{canSendMaxMessageSize=browserDetails.version===57?65535:65536;}}
-return canSendMaxMessageSize;};var getMaxMessageSize=function(description,remoteIsFirefox){var maxMessageSize=65536;if(browserDetails.browser==='firefox'&&browserDetails.version===57){maxMessageSize=65535;}
-var match=SDPUtils.matchPrefix(description.sdp,'a=max-message-size:');if(match.length>0){maxMessageSize=parseInt(match[0].substr(19),10);}else if(browserDetails.browser==='firefox'&&remoteIsFirefox!==-1){maxMessageSize=2147483637;}
-return maxMessageSize;};var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;pc._sctp=null;if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]);var canSendMMS=getCanSendMaxMessageSize(isFirefox);var remoteMMS=getMaxMessageSize(arguments[0],isFirefox);var maxMessageSize;if(canSendMMS===0&&remoteMMS===0){maxMessageSize=Number.POSITIVE_INFINITY;}else if(canSendMMS===0||remoteMMS===0){maxMessageSize=Math.max(canSendMMS,remoteMMS);}else{maxMessageSize=Math.min(canSendMMS,remoteMMS);}
-var sctp={};Object.defineProperty(sctp,'maxMessageSize',{get:function(){return maxMessageSize;}});pc._sctp=sctp;}
-return origSetRemoteDescription.apply(pc,arguments);};},shimSendThrowTypeError:function(window){var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var pc=this;var dataChannel=origCreateDataChannel.apply(pc,arguments);var origDataChannelSend=dataChannel.send;dataChannel.send=function(){var dc=this;var data=arguments[0];var length=data.length||data.size||data.byteLength;if(length>pc.sctp.maxMessageSize){throw new DOMException('Message too large (can send a maximum of '+
-pc.sctp.maxMessageSize+' bytes)','TypeError');}
-return origDataChannelSend.apply(dc,arguments);};return dataChannel;};}};},{"./utils":13,"sdp":2}],8:[function(require,module,exports){'use strict';var utils=require('../utils');var shimRTCPeerConnection=require('rtcpeerconnection-shim');module.exports={shimGetUserMedia:require('./getusermedia'),shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
-if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
-if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
-if(window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=new window.RTCDtmfSender(this);}else if(this.track.kind==='video'){this._dtmf=null;}}
-return this._dtmf;}});}
-window.RTCPeerConnection=shimRTCPeerConnection(window,browserDetails.version);},shimReplaceTrack:function(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}};},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){'use strict';module.exports=function(window){var navigator=window&&window.navigator;var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};};},{}],10:[function(require,module,exports){'use strict';var utils=require('../utils');module.exports={shimGetUserMedia:require('./getusermedia'),shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
-window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);this.removeEventListener('addstream',this._ontrackpoly);}
-this.addEventListener('track',this._ontrack=f);this.addEventListener('addstream',this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event('track');event.track=track;event.receiver={track:track};event.transceiver={receiver:event.receiver};event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}
-if(typeof window==='object'&&window.RTCTrackEvent&&('receiver'in window.RTCTrackEvent.prototype)&&!('transceiver'in window.RTCTrackEvent.prototype)){Object.defineProperty(window.RTCTrackEvent.prototype,'transceiver',{get:function(){return{receiver:this.receiver};}});}},shimSourceObject:function(window){if(typeof window==='object'){if(window.HTMLMediaElement&&!('srcObject'in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,'srcObject',{get:function(){return this.mozSrcObject;},set:function(stream){this.mozSrcObject=stream;}});}}},shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(typeof window!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
-if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if(typeof c==='object'&&typeof c.audio==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
-return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
-if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&typeof c==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
-return nativeApplyConstraints.apply(this,[c]);};}}
-navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError);}
-utils.deprecated('navigator.getUserMedia','navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};};},{"../utils":13}],12:[function(require,module,exports){'use strict';var utils=require('../utils');module.exports={shimLocalStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
-return this._localStreams;};}
-if(!('getStreamById'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getStreamById=function(id){var result=null;if(this._localStreams){this._localStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
-if(this._remoteStreams){this._remoteStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
-return result;};}
-if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){if(!this._localStreams){this._localStreams=[];}
-if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}
-var pc=this;stream.getTracks().forEach(function(track){_addTrack.call(pc,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}}
-return _addTrack.call(this,track,stream);};}
-if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){if(!this._localStreams){this._localStreams=[];}
-var index=this._localStreams.indexOf(stream);if(index===-1){return;}
-this._localStreams.splice(index,1);var pc=this;var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.indexOf(sender.track)!==-1){pc.removeTrack(sender);}});};}},shimRemoteStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
-if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function(){return this._onaddstream;},set:function(f){var pc=this;if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
-this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!pc._remoteStreams){pc._remoteStreams=[];}
-if(pc._remoteStreams.indexOf(stream)>=0){return;}
-pc._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;pc.dispatchEvent(event);});});}});}},shimCallbacksAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;},shimGetUserMedia:function(window){var navigator=window&&window.navigator;if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator);}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}},shimRTCIceServerUrls:function(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i=pos&&parseInt(match[pos],10);}
-function wrapPeerConnectionEvent(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection){return;}
-var proto=window.RTCPeerConnection.prototype;var nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap){return nativeAddEventListener.apply(this,arguments);}
-var wrappedCallback=function(e){cb(wrapper(e));};this._eventMap=this._eventMap||{};this._eventMap[cb]=wrappedCallback;return nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback]);};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb]){return nativeRemoveEventListener.apply(this,arguments);}
-var unwrappedCb=this._eventMap[cb];delete this._eventMap[cb];return nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb]);};Object.defineProperty(proto,'on'+eventNameToWrap,{get:function(){return this['_on'+eventNameToWrap];},set:function(cb){if(this['_on'+eventNameToWrap]){this.removeEventListener(eventNameToWrap,this['_on'+eventNameToWrap]);delete this['_on'+eventNameToWrap];}
-if(cb){this.addEventListener(eventNameToWrap,this['_on'+eventNameToWrap]=cb);}}});}
-module.exports={extractVersion:extractVersion,wrapPeerConnectionEvent:wrapPeerConnectionEvent,disableLog:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
-logDisabled_=bool;return(bool)?'adapter.js logging disabled':'adapter.js logging enabled';},disableWarnings:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
-deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');},log:function(){if(typeof window==='object'){if(logDisabled_){return;}
-if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}},deprecated:function(oldMethod,newMethod){if(!deprecationWarnings_){return;}
-console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');},detectBrowser:function(window){var navigator=window&&window.navigator;var result={};result.browser=null;result.version=null;if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
-if(navigator.mozGetUserMedia){result.browser='firefox';result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){result.browser='chrome';result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
-return result;}};},{}]},{},[3])(3)});
\ No newline at end of file
+(function($) {
+
+ // Find the line in sdpLines that starts with |prefix|, and, if specified,
+ // contains |substr| (case-insensitive search).
+ function findLine(sdpLines, prefix, substr) {
+ return findLineInRange(sdpLines, 0, -1, prefix, substr);
+ }
+
+ // Find the line in sdpLines[startLine...endLine - 1] that starts with |prefix|
+ // and, if specified, contains |substr| (case-insensitive search).
+ function findLineInRange(sdpLines, startLine, endLine, prefix, substr) {
+ var realEndLine = (endLine != -1) ? endLine : sdpLines.length;
+ for (var i = startLine; i < realEndLine; ++i) {
+ if (sdpLines[i].indexOf(prefix) === 0) {
+ if (!substr || sdpLines[i].toLowerCase().indexOf(substr.toLowerCase()) !== -1) {
+ return i;
+ }
+ }
+ }
+ return null;
+ }
+
+ // Gets the codec payload type from an a=rtpmap:X line.
+ function getCodecPayloadType(sdpLine) {
+ var pattern = new RegExp('a=rtpmap:(\\d+) \\w+\\/\\d+');
+ var result = sdpLine.match(pattern);
+ return (result && result.length == 2) ? result[1] : null;
+ }
+
+ // Returns a new m= line with the specified codec as the first one.
+ function setDefaultCodec(mLine, payload) {
+ var elements = mLine.split(' ');
+ var newLine = [];
+ var index = 0;
+ for (var i = 0; i < elements.length; i++) {
+ if (index === 3) { // Format of media starts from the fourth.
+ newLine[index++] = payload; // Put target payload to the first.
+ }
+ if (elements[i] !== payload) newLine[index++] = elements[i];
+ }
+ return newLine.join(' ');
+ }
+
+ $.FSRTC = function(options) {
+ this.options = $.extend({
+ useVideo: null,
+ useStereo: false,
+ userData: null,
+ localVideo: null,
+ screenShare: false,
+ useCamera: "any",
+ iceServers: false,
+ videoParams: {},
+ audioParams: {},
+ callbacks: {
+ onICEComplete: function() {},
+ onICE: function() {},
+ onOfferSDP: function() {}
+ },
+ useStream: null,
+ }, options);
+
+ this.audioEnabled = true;
+ this.videoEnabled = true;
+
+
+ this.mediaData = {
+ SDP: null,
+ profile: {},
+ candidateList: []
+ };
+
+ this.constraints = {
+ offerToReceiveAudio: this.options.useSpeak === "none" ? false : true,
+ offerToReceiveVideo: this.options.useVideo ? true : false,
+ };
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ }
+
+ setCompat();
+ checkCompat();
+ };
+
+ $.FSRTC.validRes = [];
+
+ $.FSRTC.prototype.useVideo = function(obj, local) {
+ var self = this;
+
+ if (obj) {
+ self.options.useVideo = obj;
+ self.options.localVideo = local;
+ self.constraints.offerToReceiveVideo = true;
+ } else {
+ self.options.useVideo = null;
+ self.options.localVideo = null;
+ self.constraints.offerToReceiveVideo = false;
+ }
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ }
+ };
+
+ $.FSRTC.prototype.useStereo = function(on) {
+ var self = this;
+ self.options.useStereo = on;
+ };
+
+ // Sets Opus in stereo if stereo is enabled, by adding the stereo=1 fmtp param.
+ $.FSRTC.prototype.stereoHack = function(sdp) {
+ var self = this;
+
+ if (!self.options.useStereo) {
+ return sdp;
+ }
+
+ var sdpLines = sdp.split('\r\n');
+
+ // Find opus payload.
+ var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000'), opusPayload;
+
+ if (!opusIndex) {
+ return sdp;
+ } else {
+ opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
+ }
+
+ // Find the payload in fmtp line.
+ var fmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
+
+ if (fmtpLineIndex === null) {
+ // create an fmtp line
+ sdpLines[opusIndex] = sdpLines[opusIndex] + '\r\na=fmtp:' + opusPayload.toString() + " stereo=1; sprop-stereo=1"
+ } else {
+ // Append stereo=1 to fmtp line.
+ sdpLines[fmtpLineIndex] = sdpLines[fmtpLineIndex].concat('; stereo=1; sprop-stereo=1');
+ }
+
+ sdp = sdpLines.join('\r\n');
+ return sdp;
+ };
+
+ function setCompat() {
+ }
+
+ function checkCompat() {
+ return true;
+ }
+
+ function onStreamError(self, e) {
+ console.log('There has been a problem retrieving the streams - did you allow access? Check Device Resolution', e);
+ doCallback(self, "onError", e);
+ }
+
+ function onStreamSuccess(self, stream) {
+ console.log("Stream Success");
+ doCallback(self, "onStream", stream);
+ }
+
+ function onRemoteStreamSuccess(self, stream) {
+ console.log("Remote Stream Success");
+ doCallback(self, "onRemoteStream", stream);
+ }
+
+ function onICE(self, candidate) {
+ self.mediaData.candidate = candidate;
+ self.mediaData.candidateList.push(self.mediaData.candidate);
+
+ doCallback(self, "onICE");
+ }
+
+ function doCallback(self, func, arg) {
+ if (func in self.options.callbacks) {
+ self.options.callbacks[func](self, arg);
+ }
+ }
+
+ function onICEComplete(self, candidate) {
+ console.log("ICE Complete");
+ doCallback(self, "onICEComplete");
+ }
+
+ function onChannelError(self, e) {
+ console.error("Channel Error", e);
+ doCallback(self, "onError", e);
+ }
+
+ function onICESDP(self, sdp) {
+ self.mediaData.SDP = self.stereoHack(sdp.sdp);
+ console.log("ICE SDP");
+ doCallback(self, "onICESDP");
+ }
+
+ function onAnswerSDP(self, sdp) {
+ self.answer.SDP = self.stereoHack(sdp.sdp);
+ console.log("ICE ANSWER SDP");
+ doCallback(self, "onAnswerSDP", self.answer.SDP);
+ }
+
+ function onMessage(self, msg) {
+ console.log("Message");
+ doCallback(self, "onICESDP", msg);
+ }
+
+ FSRTCattachMediaStream = function(element, stream) {
+ if (typeof element.srcObject !== 'undefined') {
+ element.srcObject = stream;
+ } else {
+ console.error('Error attaching stream to element.');
+ }
+ }
+
+ function onRemoteStream(self, stream) {
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'block';
+
+ // Hacks for Mobile Safari
+ var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
+
+ if (iOS) {
+ self.options.useVideo.setAttribute("playsinline", true);
+ }
+ }
+
+ var element = self.options.useAudio;
+ console.log("REMOTE STREAM", stream, element);
+
+ FSRTCattachMediaStream(element, stream);
+
+
+
+ //self.options.useAudio.play();
+ self.remoteStream = stream;
+ onRemoteStreamSuccess(self, stream);
+ }
+
+ function onOfferSDP(self, sdp) {
+ self.mediaData.SDP = self.stereoHack(sdp.sdp);
+ console.log("Offer SDP");
+ doCallback(self, "onOfferSDP");
+ }
+
+ $.FSRTC.prototype.answer = function(sdp, onSuccess, onError) {
+ this.peer.addAnswerSDP({
+ type: "answer",
+ sdp: sdp
+ },
+ onSuccess, onError);
+ };
+
+ $.FSRTC.prototype.stopPeer = function() {
+ if (self.peer) {
+ console.log("stopping peer");
+ self.peer.stop();
+ }
+ }
+
+ $.FSRTC.prototype.stop = function() {
+ var self = this;
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ self.options.useVideo['src'] = '';
+ }
+
+ if (self.localStream && !self.options.useStream) {
+ if(typeof self.localStream.stop == 'function') {
+ self.localStream.stop();
+ } else {
+ if (self.localStream.active){
+ var tracks = self.localStream.getTracks();
+ console.log(tracks);
+ tracks.forEach(function(track, index){
+ console.log(track);
+ track.stop();
+ })
+ }
+ }
+ self.localStream = null;
+ }
+
+ if (self.options.localVideo) {
+ deactivateLocalVideo(self.options.localVideo);
+ }
+
+ if (self.options.localVideoStream && !self.options.useStream) {
+ if(typeof self.options.localVideoStream.stop == 'function') {
+ self.options.localVideoStream.stop();
+ } else {
+ if (self.options.localVideoStream.active){
+ var tracks = self.options.localVideoStream.getTracks();
+ console.log(tracks);
+ tracks.forEach(function(track, index){
+ console.log(track);
+ track.stop();
+ })
+ }
+ }
+ }
+
+ if (self.peer) {
+ console.log("stopping peer");
+ self.peer.stop();
+ }
+ };
+
+ $.FSRTC.prototype.getMute = function() {
+ var self = this;
+ return self.audioEnabled;
+ }
+
+ $.FSRTC.prototype.setMute = function(what) {
+ var self = this;
+ if (!self.localStream) {
+ return false;
+ }
+ var audioTracks = self.localStream.getAudioTracks();
+
+ for (var i = 0, len = audioTracks.length; i < len; i++ ) {
+ switch(what) {
+ case "on":
+ audioTracks[i].enabled = true;
+ break;
+ case "off":
+ audioTracks[i].enabled = false;
+ break;
+ case "toggle":
+ audioTracks[i].enabled = !audioTracks[i].enabled;
+ default:
+ break;
+ }
+
+ self.audioEnabled = audioTracks[i].enabled;
+ }
+
+ return !self.audioEnabled;
+ }
+
+ $.FSRTC.prototype.getVideoMute = function() {
+ var self = this;
+ return self.videoEnabled;
+ }
+
+ $.FSRTC.prototype.setVideoMute = function(what) {
+ var self = this;
+ if (!self.localStream) {
+ return false;
+ }
+ var videoTracks = self.localStream.getVideoTracks();
+
+ for (var i = 0, len = videoTracks.length; i < len; i++ ) {
+ switch(what) {
+ case "on":
+ videoTracks[i].enabled = true;
+ break;
+ case "off":
+ videoTracks[i].enabled = false;
+ break;
+ case "toggle":
+ videoTracks[i].enabled = !videoTracks[i].enabled;
+ default:
+ break;
+ }
+
+ self.videoEnabled = videoTracks[i].enabled;
+ }
+
+ return !self.videoEnabled;
+ }
+
+ $.FSRTC.prototype.createAnswer = function(params) {
+ var self = this;
+ self.type = "answer";
+ self.remoteSDP = params.sdp;
+ console.debug("inbound sdp: ", params.sdp);
+
+ function onSuccess(stream) {
+ self.localStream = stream;
+
+ self.peer = FSRTCPeerConnection({
+ type: self.type,
+ attachStream: self.localStream,
+ onICE: function(candidate) {
+ return onICE(self, candidate);
+ },
+ onICEComplete: function() {
+ return onICEComplete(self);
+ },
+ onRemoteStream: function(stream) {
+ return onRemoteStream(self, stream);
+ },
+ onICESDP: function(sdp) {
+ return onICESDP(self, sdp);
+ },
+ onChannelError: function(e) {
+ return onChannelError(self, e);
+ },
+ constraints: self.constraints,
+ iceServers: self.options.iceServers,
+ offerSDP: {
+ type: "offer",
+ sdp: self.remoteSDP
+ },
+ turnServer: self.options.turnServer
+ });
+
+ onStreamSuccess(self, stream);
+ }
+
+ function onError(e) {
+ onStreamError(self, e);
+ }
+
+ var mediaParams = getMediaParams(self);
+
+ console.log("Audio constraints", mediaParams.audio);
+ console.log("Video constraints", mediaParams.video);
+
+ if (self.options.useVideo && self.options.localVideo && !self.options.useStream) {
+ getUserMedia({
+ constraints: {
+ audio: false,
+ video: { deviceId: params.useCamera },
+ },
+ localVideo: self.options.localVideo,
+ onsuccess: function(e) {self.options.localVideoStream = e; console.log("local video ready");},
+ onerror: function(e) {console.error("local video error!");}
+ });
+ }
+
+ if (self.options.useStream) {
+ if (self.options.useVideo) {
+ self.options.localVideoStream = self.options.useStream;
+ if (self.options.localVideo) {
+ activateLocalVideo(self.options.localVideo, self.options.useStream);
+ }
+ }
+ onSuccess(self.options.useStream);
+ }
+ else {
+ getUserMedia({
+ constraints: {
+ audio: mediaParams.audio,
+ video: mediaParams.video
+ },
+ video: mediaParams.useVideo,
+ onsuccess: onSuccess,
+ onerror: onError
+ });
+ }
+
+ };
+
+ function getMediaParams(obj) {
+
+ var audio;
+
+ if (obj.options.useMic && obj.options.useMic === "none") {
+ console.log("Microphone Disabled");
+ audio = false;
+ } else if (obj.options.videoParams && obj.options.screenShare) {//obj.options.videoParams.chromeMediaSource == 'desktop') {
+ console.error("SCREEN SHARE", obj.options.videoParams);
+ audio = false;
+ } else {
+ audio = {
+ };
+
+ if (obj.options.audioParams) {
+ audio = obj.options.audioParams;
+ }
+
+ if (obj.options.useMic !== "any") {
+ //audio.optional = [{sourceId: obj.options.useMic}];
+ audio.deviceId = {exact: obj.options.useMic};
+ }
+ }
+
+ if (obj.options.useVideo && obj.options.localVideo && !obj.options.useStream) {
+ getUserMedia({
+ constraints: {
+ audio: false,
+ video: { deviceId: obj.options.useCamera },
+ },
+ localVideo: obj.options.localVideo,
+ onsuccess: function(e) {obj.options.localVideoStream = e; console.log("local video ready");},
+ onerror: function(e) {console.error("local video error!");}
+ });
+ }
+
+ var video = {};
+ var bestFrameRate = obj.options.videoParams.vertoBestFrameRate;
+ var minFrameRate = obj.options.videoParams.minFrameRate || 15;
+ delete obj.options.videoParams.vertoBestFrameRate;
+
+ if (obj.options.screenShare) {
+ if (!obj.options.useCamera && !!navigator.mozGetUserMedia) {
+ //This is an issue, only FireFox needs to ask this additional question if its screen or window we need a better way
+ var dowin = window.confirm("Do you want to share an application window? If not you can share an entire screen.");
+
+ video = {
+ width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
+ height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight},
+ mediaSource: dowin ? "window" : "screen"
+ }
+ } else {
+ var opt = [];
+ if (obj.options.useCamera) {
+ opt.push({sourceId: obj.options.useCamera});
+ }
+
+ if (bestFrameRate) {
+ opt.push({minFrameRate: bestFrameRate});
+ opt.push({maxFrameRate: bestFrameRate});
+ }
+
+ video = {
+ mandatory: obj.options.videoParams,
+ optional: opt
+ };
+ // NOTE: This is a workaround for
+ // https://bugs.chromium.org/p/chromium/issues/detail?id=862325
+ if (!!navigator.userAgent.match(/Android/i)) {
+ delete video.frameRate.min;
+ }
+ }
+ } else {
+
+ video = {
+ //mandatory: obj.options.videoParams,
+ width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
+ height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight}
+ };
+
+
+
+ var useVideo = obj.options.useVideo;
+
+ if (useVideo && obj.options.useCamera && obj.options.useCamera !== "none") {
+ //if (!video.optional) {
+ //video.optional = [];
+ //}
+
+
+ if (obj.options.useCamera !== "any") {
+ //video.optional.push({sourceId: obj.options.useCamera});
+ video.deviceId = {
+ exact: obj.options.useCamera,
+ };
+ }
+
+ if (bestFrameRate) {
+ //video.optional.push({minFrameRate: bestFrameRate});
+ //video.optional.push({maxFrameRate: bestFrameRate});
+ video.frameRate = {ideal: bestFrameRate, min: minFrameRate, max: 30};
+ }
+
+ } else {
+ console.log("Camera Disabled");
+ video = false;
+ useVideo = false;
+ }
+ }
+
+ return {audio: audio, video: video, useVideo: useVideo};
+ }
+
+ $.FSRTC.prototype.call = function(profile) {
+ checkCompat();
+
+ var self = this;
+ var screen = false;
+
+ self.type = "offer";
+
+ if (self.options.videoParams && self.options.screenShare) { //self.options.videoParams.chromeMediaSource == 'desktop') {
+ screen = true;
+ }
+
+ function onSuccess(stream) {
+ self.localStream = stream;
+
+ if (screen) {
+ self.constraints.offerToReceiveVideo = false;
+ self.constraints.offerToReceiveAudio = false;
+ self.constraints.offerToSendAudio = false;
+ }
+
+ self.peer = FSRTCPeerConnection({
+ type: self.type,
+ attachStream: self.localStream,
+ onICE: function(candidate) {
+ return onICE(self, candidate);
+ },
+ onICEComplete: function() {
+ return onICEComplete(self);
+ },
+ onRemoteStream: screen ? function(stream) {} : function(stream) {
+ return onRemoteStream(self, stream);
+ },
+ onOfferSDP: function(sdp) {
+ return onOfferSDP(self, sdp);
+ },
+ onICESDP: function(sdp) {
+ return onICESDP(self, sdp);
+ },
+ onChannelError: function(e) {
+ return onChannelError(self, e);
+ },
+ constraints: self.constraints,
+ iceServers: self.options.iceServers,
+ turnServer: self.options.turnServer
+ });
+
+ onStreamSuccess(self, stream);
+ }
+
+ function onError(e) {
+ onStreamError(self, e);
+ }
+
+ var mediaParams = getMediaParams(self);
+
+ console.log("Audio constraints", mediaParams.audio);
+ console.log("Video constraints", mediaParams.video);
+
+ if (self.options.useStream) {
+ if (self.options.useVideo) {
+ self.options.localVideoStream = self.options.useStream;
+ if (self.options.localVideo) {
+ activateLocalVideo(self.options.localVideo, self.options.useStream);
+ }
+ }
+ onSuccess(self.options.useStream);
+ }
+ else if (mediaParams.audio || mediaParams.video) {
+
+ getUserMedia({
+ constraints: {
+ audio: mediaParams.audio,
+ video: mediaParams.video
+ },
+ video: mediaParams.useVideo,
+ onsuccess: onSuccess,
+ onerror: onError
+ });
+
+ } else {
+ onSuccess(null);
+ }
+
+
+
+ /*
+ navigator.getUserMedia({
+ video: self.options.useVideo,
+ audio: true
+ }, onSuccess, onError);
+ */
+
+ };
+
+ // DERIVED from RTCPeerConnection-v1.5
+ // 2013, @muazkh - github.com/muaz-khan
+ // MIT License - https://www.webrtc-experiment.com/licence/
+ // Documentation - https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCPeerConnection
+
+ function FSRTCPeerConnection(options) {
+ var gathering = false, done = false;
+ var config = {};
+ var default_ice = [{ urls: ['stun:stun.l.google.com:19302'] }];
+
+ if (self.options.turnServer) {
+ default_ice.push(self.options.turnServer)
+ }
+
+ if (options.iceServers) {
+ if (typeof(options.iceServers) === "boolean") {
+ config.iceServers = default_ice;
+ } else {
+ config.iceServers = options.iceServers;
+ }
+ }
+
+ config.bundlePolicy = "max-compat";
+
+ var peer = new window.RTCPeerConnection(config);
+
+ openOffererChannel();
+ var x = 0;
+
+ function ice_handler() {
+
+ done = true;
+ gathering = null;
+
+ if (options.onICEComplete) {
+ options.onICEComplete();
+ }
+
+ if (options.type == "offer") {
+ options.onICESDP(peer.localDescription);
+ } else {
+ if (!x && options.onICESDP) {
+ options.onICESDP(peer.localDescription);
+ }
+ }
+ }
+
+ peer.onicecandidate = function(event) {
+
+ if (done) {
+ return;
+ }
+
+ if (!gathering) {
+ gathering = setTimeout(ice_handler, 1000);
+ }
+
+ if (event) {
+ if (event.candidate) {
+ options.onICE(event.candidate);
+ }
+ } else {
+ done = true;
+
+ if (gathering) {
+ clearTimeout(gathering);
+ gathering = null;
+ }
+
+ ice_handler();
+ }
+ };
+
+ // attachStream = MediaStream;
+ if (options.attachStream) peer.addStream(options.attachStream);
+
+ // attachStreams[0] = audio-stream;
+ // attachStreams[1] = video-stream;
+ // attachStreams[2] = screen-capturing-stream;
+ if (options.attachStreams && options.attachStream.length) {
+ var streams = options.attachStreams;
+ for (var i = 0; i < streams.length; i++) {
+ peer.addStream(streams[i]);
+ }
+ }
+
+ peer.onaddstream = function(event) {
+ var remoteMediaStream = event.stream;
+
+ // onRemoteStreamEnded(MediaStream)
+ remoteMediaStream.oninactive = function () {
+ if (options.onRemoteStreamEnded) options.onRemoteStreamEnded(remoteMediaStream);
+ };
+
+ // onRemoteStream(MediaStream)
+ if (options.onRemoteStream) options.onRemoteStream(remoteMediaStream);
+
+ //console.debug('on:add:stream', remoteMediaStream);
+ };
+
+ //var constraints = options.constraints || {
+ // offerToReceiveAudio: true,
+ //offerToReceiveVideo: true
+ //};
+
+ // onOfferSDP(RTCSessionDescription)
+ function createOffer() {
+ if (!options.onOfferSDP) return;
+
+ peer.createOffer(function(sessionDescription) {
+ sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
+ peer.setLocalDescription(sessionDescription);
+ options.onOfferSDP(sessionDescription);
+ },
+ onSdpError, options.constraints);
+ }
+
+ // onAnswerSDP(RTCSessionDescription)
+ function createAnswer() {
+ if (options.type != "answer") return;
+
+ //options.offerSDP.sdp = addStereo(options.offerSDP.sdp);
+ peer.setRemoteDescription(new window.RTCSessionDescription(options.offerSDP), onSdpSuccess, onSdpError);
+ peer.createAnswer(function(sessionDescription) {
+ sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
+ peer.setLocalDescription(sessionDescription);
+ if (options.onAnswerSDP) {
+ options.onAnswerSDP(sessionDescription);
+ }
+ },
+ onSdpError);
+ }
+
+
+ if ((options.onChannelMessage) || !options.onChannelMessage) {
+ createOffer();
+ createAnswer();
+ }
+
+ // DataChannel Bandwidth
+ function setBandwidth(sdp) {
+ // remove existing bandwidth lines
+ sdp = sdp.replace(/b=AS([^\r\n]+\r\n)/g, '');
+ sdp = sdp.replace(/a=mid:data\r\n/g, 'a=mid:data\r\nb=AS:1638400\r\n');
+
+ return sdp;
+ }
+
+ // old: FF<>Chrome interoperability management
+ function getInteropSDP(sdp) {
+ var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
+ extractedChars = '';
+
+ function getChars() {
+ extractedChars += chars[parseInt(Math.random() * 40)] || '';
+ if (extractedChars.length < 40) getChars();
+
+ return extractedChars;
+ }
+
+ // usually audio-only streaming failure occurs out of audio-specific crypto line
+ // a=crypto:1 AES_CM_128_HMAC_SHA1_32 --------- kAttributeCryptoVoice
+ if (options.onAnswerSDP) sdp = sdp.replace(/(a=crypto:0 AES_CM_128_HMAC_SHA1_32)(.*?)(\r\n)/g, '');
+
+ // video-specific crypto line i.e. SHA1_80
+ // a=crypto:1 AES_CM_128_HMAC_SHA1_80 --------- kAttributeCryptoVideo
+ var inline = getChars() + '\r\n' + (extractedChars = '');
+ sdp = sdp.indexOf('a=crypto') == -1 ? sdp.replace(/c=IN/g, 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:' + inline + 'c=IN') : sdp;
+
+ return sdp;
+ }
+
+ function serializeSdp(sdp) {
+ return sdp;
+ }
+
+ // DataChannel management
+ var channel;
+
+ function openOffererChannel() {
+ if (!options.onChannelMessage) return;
+
+ _openOffererChannel();
+
+ return;
+ }
+
+ function _openOffererChannel() {
+ channel = peer.createDataChannel(options.channel || 'RTCDataChannel', {
+ reliable: false
+ });
+
+ setChannelEvents();
+ }
+
+ function setChannelEvents() {
+ channel.onmessage = function(event) {
+ if (options.onChannelMessage) options.onChannelMessage(event);
+ };
+
+ channel.onopen = function() {
+ if (options.onChannelOpened) options.onChannelOpened(channel);
+ };
+ channel.onclose = function(event) {
+ if (options.onChannelClosed) options.onChannelClosed(event);
+
+ console.warn('WebRTC DataChannel closed', event);
+ };
+ channel.onerror = function(event) {
+ if (options.onChannelError) options.onChannelError(event);
+
+ console.error('WebRTC DataChannel error', event);
+ };
+ }
+
+ function openAnswererChannel() {
+ peer.ondatachannel = function(event) {
+ channel = event.channel;
+ channel.binaryType = 'blob';
+ setChannelEvents();
+ };
+
+ return;
+ }
+
+ // fake:true is also available on chrome under a flag!
+ function useless() {
+ log('Error in fake:true');
+ }
+
+ function onSdpSuccess() {}
+
+ function onSdpError(e) {
+ if (options.onChannelError) {
+ options.onChannelError(e);
+ }
+ console.error('sdp error:', e);
+ }
+
+ return {
+ addAnswerSDP: function(sdp, cbSuccess, cbError) {
+
+ peer.setRemoteDescription(new window.RTCSessionDescription(sdp), cbSuccess ? cbSuccess : onSdpSuccess, cbError ? cbError : onSdpError);
+ },
+ addICE: function(candidate) {
+ peer.addIceCandidate(new window.RTCIceCandidate({
+ sdpMLineIndex: candidate.sdpMLineIndex,
+ candidate: candidate.candidate
+ }));
+ },
+
+ peer: peer,
+ channel: channel,
+ sendData: function(message) {
+ if (channel) {
+ channel.send(message);
+ }
+ },
+
+ stop: function() {
+ peer.close();
+ if (options.attachStream) {
+ if(typeof options.attachStream.stop == 'function') {
+ options.attachStream.stop();
+ } else {
+ options.attachStream.active = false;
+ }
+ }
+ }
+
+ };
+ }
+
+ // getUserMedia
+ var video_constraints = {
+ //mandatory: {},
+ //optional: []
+ };
+
+ function activateLocalVideo(el, stream) {
+ el.srcObject = stream;
+ el.style.display = 'block';
+ }
+
+ function deactivateLocalVideo(el) {
+ el.srcObject = null;
+ el.style.display = 'none';
+ }
+
+ function getUserMedia(options) {
+ var n = navigator,
+ media;
+ n.getMedia = n.getUserMedia;
+ n.getMedia(options.constraints || {
+ audio: true,
+ video: video_constraints
+ },
+ streaming, options.onerror ||
+ function(e) {
+ console.error(e);
+ });
+
+ function streaming(stream) {
+ if (options.localVideo) {
+ activateLocalVideo(options.localVideo, stream);
+ }
+
+ if (options.onsuccess) {
+ options.onsuccess(stream);
+ }
+
+ media = stream;
+ }
+
+ return media;
+ }
+
+ $.FSRTC.resSupported = function(w, h) {
+ for (var i in $.FSRTC.validRes) {
+ if ($.FSRTC.validRes[i][0] == w && $.FSRTC.validRes[i][1] == h) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ $.FSRTC.bestResSupported = function() {
+ var w = 0, h = 0;
+
+ for (var i in $.FSRTC.validRes) {
+ if ($.FSRTC.validRes[i][0] >= w && $.FSRTC.validRes[i][1] >= h) {
+ w = $.FSRTC.validRes[i][0];
+ h = $.FSRTC.validRes[i][1];
+ }
+ }
+
+ return [w, h];
+ }
+
+ var resList = [[160, 120], [320, 180], [320, 240], [640, 360], [640, 480], [1280, 720], [1920, 1080]];
+ var resI = 0;
+ var ttl = 0;
+
+ var checkRes = function (cam, func) {
+
+ if (resI >= resList.length) {
+ var res = {
+ 'validRes': $.FSRTC.validRes,
+ 'bestResSupported': $.FSRTC.bestResSupported()
+ };
+
+ localStorage.setItem("res_" + cam, $.toJSON(res));
+
+ if (func) return func(res);
+ return;
+ }
+
+ w = resList[resI][0];
+ h = resList[resI][1];
+ resI++;
+
+ var video = {
+ width: {exact: w},
+ height: {exact: h}
+ };
+
+ if (cam !== "any") {
+ video.deviceId = {
+ exact: cam,
+ };
+ }
+
+ getUserMedia({
+ constraints: {
+ audio: ttl++ == 0,
+ video: video
+ },
+ onsuccess: function(e) {
+ e.getTracks().forEach(function(track) {track.stop();});
+ console.info(w + "x" + h + " supported."); $.FSRTC.validRes.push([w, h]); checkRes(cam, func);},
+ onerror: function(e) {console.warn( w + "x" + h + " not supported."); checkRes(cam, func);}
+ });
+ }
+
+
+ $.FSRTC.getValidRes = function (cam, func) {
+ var used = [];
+ var cached = localStorage.getItem("res_" + cam);
+
+ if (cached) {
+ var cache = $.parseJSON(cached);
+
+ if (cache) {
+ $.FSRTC.validRes = cache.validRes;
+ console.log("CACHED RES FOR CAM " + cam, cache);
+ } else {
+ console.error("INVALID CACHE");
+ }
+ return func ? func(cache) : null;
+ }
+
+
+ $.FSRTC.validRes = [];
+ resI = 0;
+
+ checkRes(cam, func);
+ }
+
+ $.FSRTC.checkPerms = function (runtime, check_audio, check_video) {
+ getUserMedia({
+ constraints: {
+ audio: check_audio,
+ video: check_video,
+ },
+ onsuccess: function(e) {
+
+ e.getTracks().forEach(function(track) {track.stop();});
+
+ console.info("media perm init complete");
+ if (runtime) {
+ setTimeout(runtime, 100, true);
+ }
+ },
+ onerror: function(e) {
+ if (check_video && check_audio) {
+ console.error("error, retesting with audio params only");
+ return $.FSRTC.checkPerms(runtime, check_audio, false);
+ }
+
+ console.error("media perm init error");
+
+ if (runtime) {
+ runtime(false)
+ }
+ }
+ });
+ }
+
+})(jQuery);
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is jquery.jsonrpclient.js modified for Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Textalk AB http://textalk.se/
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.jsonrpclient.js - JSON RPC client code
+ *
+ */
+/**
+ * This plugin requires jquery.json.js to be available, or at least the methods $.toJSON and
+ * $.parseJSON.
+ *
+ * The plan is to make use of websockets if they are available, but work just as well with only
+ * http if not.
+ *
+ * Usage example:
+ *
+ * var foo = new $.JsonRpcClient({ ajaxUrl: '/backend/jsonrpc' });
+ * foo.call(
+ * 'bar', [ 'A parameter', 'B parameter' ],
+ * function(result) { alert('Foo bar answered: ' + result.my_answer); },
+ * function(error) { console.log('There was an error', error); }
+ * );
+ *
+ * More examples are available in README.md
+ */
+(function($) {
+ /**
+ * @fn new
+ * @memberof $.JsonRpcClient
+ *
+ * @param options An object stating the backends:
+ * ajaxUrl A url (relative or absolute) to a http(s) backend.
+ * socketUrl A url (relative of absolute) to a ws(s) backend.
+ * onmessage A socket message handler for other messages (non-responses).
+ * getSocket A function returning a WebSocket or null.
+ * It must take an onmessage_cb and bind it to the onmessage event
+ * (or chain it before/after some other onmessage handler).
+ * Or, it could return null if no socket is available.
+ * The returned instance must have readyState <= 1, and if less than 1,
+ * react to onopen binding.
+ */
+ $.JsonRpcClient = function(options) {
+ var self = this;
+ this.options = $.extend({
+ ajaxUrl : null,
+ socketUrl : null, ///< The ws-url for default getSocket.
+ onmessage : null, ///< Other onmessage-handler.
+ login : null, /// auth login
+ passwd : null, /// auth passwd
+ sessid : null,
+ loginParams : null,
+ userVariables : null,
+ getSocket : function(onmessage_cb) { return self._getSocket(onmessage_cb); }
+ }, options);
+
+ self.ws_cnt = 0;
+
+ // Declare an instance version of the onmessage callback to wrap 'this'.
+ this.wsOnMessage = function(event) { self._wsOnMessage(event); };
+ };
+
+ /// Holding the WebSocket on default getsocket.
+ $.JsonRpcClient.prototype._ws_socket = null;
+
+ /// Object : { success_cb: cb, error_cb: cb }
+ $.JsonRpcClient.prototype._ws_callbacks = {};
+
+ /// The next JSON-RPC request id.
+ $.JsonRpcClient.prototype._current_id = 1;
+
+
+ $.JsonRpcClient.prototype.speedTest = function (bytes, cb) {
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this.speedCB = cb;
+ this.speedBytes = bytes;
+ socket.send("#SPU " + bytes);
+
+ var loops = bytes / 1024;
+ var rem = bytes % 1024;
+ var i;
+ var data = new Array(1024).join(".");
+ for (i = 0; i < loops; i++) {
+ socket.send("#SPB " + data);
+ }
+
+ if (rem) {
+ socket.send("#SPB " + data);
+ }
+
+ socket.send("#SPE");
+ }
+ };
+
+
+
+ /**
+ * @fn call
+ * @memberof $.JsonRpcClient
+ *
+ * @param method The method to run on JSON-RPC server.
+ * @param params The params; an array or object.
+ * @param success_cb A callback for successful request.
+ * @param error_cb A callback for error.
+ */
+ $.JsonRpcClient.prototype.call = function(method, params, success_cb, error_cb) {
+ // Construct the JSON-RPC 2.0 request.
+
+ if (!params) {
+ params = {};
+ }
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ var request = {
+ jsonrpc : '2.0',
+ method : method,
+ params : params,
+ id : this._current_id++ // Increase the id counter to match request/response
+ };
+
+ if (!success_cb) {
+ success_cb = function(e){console.log("Success: ", e);};
+ }
+
+ if (!error_cb) {
+ error_cb = function(e){console.log("Error: ", e);};
+ }
+
+ // Try making a WebSocket call.
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this._wsCall(socket, request, success_cb, error_cb);
+ return;
+ }
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (this.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.call used with no websocket and no http endpoint.";
+ }
+
+ $.ajax({
+ type : 'POST',
+ url : this.options.ajaxUrl,
+ data : $.toJSON(request),
+ dataType : 'json',
+ cache : false,
+
+ success : function(data) {
+ if ('error' in data) error_cb(data.error, this);
+ success_cb(data.result, this);
+ },
+
+ // JSON-RPC Server could return non-200 on error
+ error : function(jqXHR, textStatus, errorThrown) {
+ try {
+ var response = $.parseJSON(jqXHR.responseText);
+
+ if ('console' in window) console.log(response);
+
+ error_cb(response.error, this);
+ } catch (err) {
+ // Perhaps the responseText wasn't really a jsonrpc-error.
+ error_cb({ error: jqXHR.responseText }, this);
+ }
+ }
+ });
+ };
+
+ /**
+ * Notify sends a command to the server that won't need a response. In http, there is probably
+ * an empty response - that will be dropped, but in ws there should be no response at all.
+ *
+ * This is very similar to call, but has no id and no handling of callbacks.
+ *
+ * @fn notify
+ * @memberof $.JsonRpcClient
+ *
+ * @param method The method to run on JSON-RPC server.
+ * @param params The params; an array or object.
+ */
+ $.JsonRpcClient.prototype.notify = function(method, params) {
+ // Construct the JSON-RPC 2.0 request.
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ var request = {
+ jsonrpc: '2.0',
+ method: method,
+ params: params
+ };
+
+ // Try making a WebSocket call.
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this._wsCall(socket, request);
+ return;
+ }
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (this.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.notify used with no websocket and no http endpoint.";
+ }
+
+ $.ajax({
+ type : 'POST',
+ url : this.options.ajaxUrl,
+ data : $.toJSON(request),
+ dataType : 'json',
+ cache : false
+ });
+ };
+
+ /**
+ * Make a batch-call by using a callback.
+ *
+ * The callback will get an object "batch" as only argument. On batch, you can call the methods
+ * "call" and "notify" just as if it was a normal $.JsonRpcClient object, and all calls will be
+ * sent as a batch call then the callback is done.
+ *
+ * @fn batch
+ * @memberof $.JsonRpcClient
+ *
+ * @param callback The main function which will get a batch handler to run call and notify on.
+ * @param all_done_cb A callback function to call after all results have been handled.
+ * @param error_cb A callback function to call if there is an error from the server.
+ * Note, that batch calls should always get an overall success, and the
+ * only error
+ */
+ $.JsonRpcClient.prototype.batch = function(callback, all_done_cb, error_cb) {
+ var batch = new $.JsonRpcClient._batchObject(this, all_done_cb, error_cb);
+ callback(batch);
+ batch._execute();
+ };
+
+ /**
+ * The default getSocket handler.
+ *
+ * @param onmessage_cb The callback to be bound to onmessage events on the socket.
+ *
+ * @fn _getSocket
+ * @memberof $.JsonRpcClient
+ */
+
+ $.JsonRpcClient.prototype.socketReady = function() {
+ if (this._ws_socket === null || this._ws_socket.readyState > 1) {
+ return false;
+ }
+
+ return true;
+ };
+
+ $.JsonRpcClient.prototype.closeSocket = function() {
+ var self = this;
+ if (self.socketReady()) {
+ self._ws_socket.onclose = function (w) {console.log("Closing Socket");};
+ self._ws_socket.close();
+ }
+ };
+
+ $.JsonRpcClient.prototype.loginData = function(params) {
+ var self = this;
+ self.options.login = params.login;
+ self.options.passwd = params.passwd;
+ self.options.loginParams = params.loginParams;
+ self.options.userVariables = params.userVariables;
+ };
+
+ $.JsonRpcClient.prototype.connectSocket = function(onmessage_cb) {
+ var self = this;
+
+ if (self.to) {
+ clearTimeout(self.to);
+ }
+
+ if (!self.socketReady()) {
+ self.authing = false;
+
+ if (self._ws_socket) {
+ delete self._ws_socket;
+ }
+
+ // No socket, or dying socket, let's get a new one.
+ self._ws_socket = new WebSocket(self.options.socketUrl);
+
+ if (self._ws_socket) {
+ // Set up onmessage handler.
+ self._ws_socket.onmessage = onmessage_cb;
+ self._ws_socket.onclose = function (w) {
+ if (!self.ws_sleep) {
+ self.ws_sleep = 1000;
+ }
+
+ if (self.options.onWSClose) {
+ self.options.onWSClose(self);
+ }
+
+ if (self.ws_cnt > 10 && self.options.wsFallbackURL) {
+ self.options.socketUrl = self.options.wsFallbackURL;
+ }
+
+ console.error("Websocket Lost " + self.ws_cnt + " sleep: " + self.ws_sleep + "msec");
+
+ self.to = setTimeout(function() {
+ console.log("Attempting Reconnection....");
+ self.connectSocket(onmessage_cb);
+ }, self.ws_sleep);
+
+ self.ws_cnt++;
+
+ if (self.ws_sleep < 3000 && (self.ws_cnt % 10) === 0) {
+ self.ws_sleep += 1000;
+ }
+ };
+
+ // Set up sending of message for when the socket is open.
+ self._ws_socket.onopen = function() {
+ if (self.to) {
+ clearTimeout(self.to);
+ }
+ self.ws_sleep = 1000;
+ self.ws_cnt = 0;
+ if (self.options.onWSConnect) {
+ self.options.onWSConnect(self);
+ }
+
+ var req;
+ // Send the requests.
+ while ((req = $.JsonRpcClient.q.pop())) {
+ self._ws_socket.send(req);
+ }
+ };
+ }
+ }
+
+ return self._ws_socket ? true : false;
+ };
+
+ $.JsonRpcClient.prototype.stopRetrying = function() {
+ if (self.to)
+ clearTimeout(self.to);
+ }
+
+ $.JsonRpcClient.prototype._getSocket = function(onmessage_cb) {
+ // If there is no ws url set, we don't have a socket.
+ // Likewise, if there is no window.WebSocket.
+ if (this.options.socketUrl === null || !("WebSocket" in window)) return null;
+
+ this.connectSocket(onmessage_cb);
+
+ return this._ws_socket;
+ };
+
+ /**
+ * Queue to save messages delivered when websocket is not ready
+ */
+ $.JsonRpcClient.q = [];
+
+ /**
+ * Internal handler to dispatch a JRON-RPC request through a websocket.
+ *
+ * @fn _wsCall
+ * @memberof $.JsonRpcClient
+ */
+ $.JsonRpcClient.prototype._wsCall = function(socket, request, success_cb, error_cb) {
+ var request_json = $.toJSON(request);
+
+ if (socket.readyState < 1) {
+ // The websocket is not open yet; we have to set sending of the message in onopen.
+ self = this; // In closure below, this is set to the WebSocket. Use self instead.
+ $.JsonRpcClient.q.push(request_json);
+ } else {
+ // We have a socket and it should be ready to send on.
+ socket.send(request_json);
+ }
+
+ // Setup callbacks. If there is an id, this is a call and not a notify.
+ if ('id' in request && typeof success_cb !== 'undefined') {
+ this._ws_callbacks[request.id] = { request: request_json, request_obj: request, success_cb: success_cb, error_cb: error_cb };
+ }
+ };
+
+ /**
+ * Internal handler for the websocket messages. It determines if the message is a JSON-RPC
+ * response, and if so, tries to couple it with a given callback. Otherwise, it falls back to
+ * given external onmessage-handler, if any.
+ *
+ * @param event The websocket onmessage-event.
+ */
+ $.JsonRpcClient.prototype._wsOnMessage = function(event) {
+ // Check if this could be a JSON RPC message.
+ var response;
+
+ // Special sub proto
+ if (event.data[0] == "#" && event.data[1] == "S" && event.data[2] == "P") {
+ if (event.data[3] == "U") {
+ this.up_dur = parseInt(event.data.substring(4));
+ } else if (this.speedCB && event.data[3] == "D") {
+ this.down_dur = parseInt(event.data.substring(4));
+
+ var up_kps = (((this.speedBytes * 8) / (this.up_dur / 1000)) / 1024).toFixed(0);
+ var down_kps = (((this.speedBytes * 8) / (this.down_dur / 1000)) / 1024).toFixed(0);
+
+ console.info("Speed Test: Up: " + up_kps + " Down: " + down_kps);
+ var cb = this.speedCB;
+ this.speedCB = null;
+ cb(event, {
+ upDur: this.up_dur,
+ downDur: this.down_dur,
+ upKPS: up_kps,
+ downKPS: down_kps
+ });
+ }
+
+ return;
+ }
+
+
+ try {
+ response = $.parseJSON(event.data);
+
+ /// @todo Make using the jsonrcp 2.0 check optional, to use this on JSON-RPC 1 backends.
+
+ if (typeof response === 'object' &&
+ 'jsonrpc' in response &&
+ response.jsonrpc === '2.0') {
+
+ /// @todo Handle bad response (without id).
+
+ // If this is an object with result, it is a response.
+ if ('result' in response && this._ws_callbacks[response.id]) {
+ // Get the success callback.
+ var success_cb = this._ws_callbacks[response.id].success_cb;
+
+ /*
+ // set the sessid if present
+ if ('sessid' in response.result && !this.options.sessid || (this.options.sessid != response.result.sessid)) {
+ this.options.sessid = response.result.sessid;
+ if (this.options.sessid) {
+ console.log("setting session UUID to: " + this.options.sessid);
+ }
+ }
+ */
+ // Delete the callback from the storage.
+ delete this._ws_callbacks[response.id];
+
+ // Run callback with result as parameter.
+ success_cb(response.result, this);
+ return;
+ } else if ('error' in response && this._ws_callbacks[response.id]) {
+ // If this is an object with error, it is an error response.
+
+ // Get the error callback.
+ var error_cb = this._ws_callbacks[response.id].error_cb;
+ var orig_req = this._ws_callbacks[response.id].request;
+
+ // if this is an auth request, send the credentials and resend the failed request
+ if (!self.authing && response.error.code == -32000 && self.options.login && self.options.passwd) {
+ self.authing = true;
+
+ this.call("login", { login: self.options.login, passwd: self.options.passwd, loginParams: self.options.loginParams,
+ userVariables: self.options.userVariables},
+ this._ws_callbacks[response.id].request_obj.method == "login" ?
+ function(e) {
+ self.authing = false;
+ console.log("logged in");
+ delete self._ws_callbacks[response.id];
+
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(true, self);
+ }
+ }
+
+ :
+
+ function(e) {
+ self.authing = false;
+ console.log("logged in, resending request id: " + response.id);
+ var socket = self.options.getSocket(self.wsOnMessage);
+ if (socket !== null) {
+ socket.send(orig_req);
+ }
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(true, self);
+ }
+ },
+
+ function(e) {
+ console.log("error logging in, request id:", response.id);
+ delete self._ws_callbacks[response.id];
+ error_cb(response.error, this);
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(false, self);
+ }
+ });
+ return;
+ }
+
+ // Delete the callback from the storage.
+ delete this._ws_callbacks[response.id];
+
+ // Run callback with the error object as parameter.
+ error_cb(response.error, this);
+ return;
+ }
+ }
+ } catch (err) {
+ // Probably an error while parsing a non json-string as json. All real JSON-RPC cases are
+ // handled above, and the fallback method is called below.
+ console.log("ERROR: "+ err);
+ return;
+ }
+
+ // This is not a JSON-RPC response. Call the fallback message handler, if given.
+ if (typeof this.options.onmessage === 'function') {
+ event.eventData = response;
+ if (!event.eventData) {
+ event.eventData = {};
+ }
+
+ var reply = this.options.onmessage(event);
+
+ if (reply && typeof reply === "object" && event.eventData.id) {
+ var msg = {
+ jsonrpc: "2.0",
+ id: event.eventData.id,
+ result: reply
+ };
+
+ var socket = self.options.getSocket(self.wsOnMessage);
+ if (socket !== null) {
+ socket.send($.toJSON(msg));
+ }
+ }
+ }
+ };
+
+
+ /************************************************************************************************
+ * Batch object with methods
+ ************************************************************************************************/
+
+ /**
+ * Handling object for batch calls.
+ */
+ $.JsonRpcClient._batchObject = function(jsonrpcclient, all_done_cb, error_cb) {
+ // Array of objects to hold the call and notify requests. Each objects will have the request
+ // object, and unless it is a notify, success_cb and error_cb.
+ this._requests = [];
+
+ this.jsonrpcclient = jsonrpcclient;
+ this.all_done_cb = all_done_cb;
+ this.error_cb = typeof error_cb === 'function' ? error_cb : function() {};
+
+ };
+
+ /**
+ * @sa $.JsonRpcClient.prototype.call
+ */
+ $.JsonRpcClient._batchObject.prototype.call = function(method, params, success_cb, error_cb) {
+
+ if (!params) {
+ params = {};
+ }
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ if (!success_cb) {
+ success_cb = function(e){console.log("Success: ", e);};
+ }
+
+ if (!error_cb) {
+ error_cb = function(e){console.log("Error: ", e);};
+ }
+
+ this._requests.push({
+ request : {
+ jsonrpc : '2.0',
+ method : method,
+ params : params,
+ id : this.jsonrpcclient._current_id++ // Use the client's id series.
+ },
+ success_cb : success_cb,
+ error_cb : error_cb
+ });
+ };
+
+ /**
+ * @sa $.JsonRpcClient.prototype.notify
+ */
+ $.JsonRpcClient._batchObject.prototype.notify = function(method, params) {
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ this._requests.push({
+ request : {
+ jsonrpc : '2.0',
+ method : method,
+ params : params
+ }
+ });
+ };
+
+ /**
+ * Executes the batched up calls.
+ */
+ $.JsonRpcClient._batchObject.prototype._execute = function() {
+ var self = this;
+
+ if (this._requests.length === 0) return; // All done :P
+
+ // Collect all request data and sort handlers by request id.
+ var batch_request = [];
+ var handlers = {};
+ var i = 0;
+ var call;
+ var success_cb;
+ var error_cb;
+
+ // If we have a WebSocket, just send the requests individually like normal calls.
+ var socket = self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);
+ if (socket !== null) {
+ for (i = 0; i < this._requests.length; i++) {
+ call = this._requests[i];
+ success_cb = ('success_cb' in call) ? call.success_cb : undefined;
+ error_cb = ('error_cb' in call) ? call.error_cb : undefined;
+ self.jsonrpcclient._wsCall(socket, call.request, success_cb, error_cb);
+ }
+
+ if (typeof all_done_cb === 'function') all_done_cb(result);
+ return;
+ }
+
+ for (i = 0; i < this._requests.length; i++) {
+ call = this._requests[i];
+ batch_request.push(call.request);
+
+ // If the request has an id, it should handle returns (otherwise it's a notify).
+ if ('id' in call.request) {
+ handlers[call.request.id] = {
+ success_cb : call.success_cb,
+ error_cb : call.error_cb
+ };
+ }
+ }
+
+ success_cb = function(data) { self._batchCb(data, handlers, self.all_done_cb); };
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (self.jsonrpcclient.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.batch used with no websocket and no http endpoint.";
+ }
+
+ // Send request
+ $.ajax({
+ url : self.jsonrpcclient.options.ajaxUrl,
+ data : $.toJSON(batch_request),
+ dataType : 'json',
+ cache : false,
+ type : 'POST',
+
+ // Batch-requests should always return 200
+ error : function(jqXHR, textStatus, errorThrown) {
+ self.error_cb(jqXHR, textStatus, errorThrown);
+ },
+ success : success_cb
+ });
+ };
+
+ /**
+ * Internal helper to match the result array from a batch call to their respective callbacks.
+ *
+ * @fn _batchCb
+ * @memberof $.JsonRpcClient
+ */
+ $.JsonRpcClient._batchObject.prototype._batchCb = function(result, handlers, all_done_cb) {
+ for (var i = 0; i < result.length; i++) {
+ var response = result[i];
+
+ // Handle error
+ if ('error' in response) {
+ if (response.id === null || !(response.id in handlers)) {
+ // An error on a notify? Just log it to the console.
+ if ('console' in window) console.log(response);
+ } else {
+ handlers[response.id].error_cb(response.error, this);
+ }
+ } else {
+ // Here we should always have a correct id and no error.
+ if (!(response.id in handlers) && 'console' in window) {
+ console.log(response);
+ } else {
+ handlers[response.id].success_cb(response.result, this);
+ }
+ }
+ }
+
+ if (typeof all_done_cb === 'function') all_done_cb(result);
+ };
+
+})(jQuery);
+
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.verto.js - Main interface
+ *
+ */
+
+(function($) {
+ var sources = [];
+
+ var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
+ function() {
+ // If we have a cryptographically secure PRNG, use that
+ // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
+ var buf = new Uint16Array(8);
+ window.crypto.getRandomValues(buf);
+ var S4 = function(num) {
+ var ret = num.toString(16);
+ while (ret.length < 4) {
+ ret = "0" + ret;
+ }
+ return ret;
+ };
+ return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
+ }
+
+ :
+
+ function() {
+ // Otherwise, just use Math.random
+ // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
+ return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+ var r = Math.random() * 16 | 0,
+ v = c == 'x' ? r : (r & 0x3 | 0x8);
+ return v.toString(16);
+ });
+ };
+
+ /// MASTER OBJ
+ $.verto = function(options, callbacks) {
+ var verto = this;
+
+ $.verto.saved.push(verto);
+
+ verto.options = $.extend({
+ login: null,
+ passwd: null,
+ socketUrl: null,
+ tag: null,
+ localTag: null,
+ videoParams: {},
+ audioParams: {},
+ loginParams: {},
+ deviceParams: {onResCheck: null},
+ userVariables: {},
+ iceServers: false,
+ ringSleep: 6000,
+ sessid: null,
+ useStream: null
+ }, options);
+
+ if (verto.options.deviceParams.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
+ }
+
+ if (!verto.options.deviceParams.useMic) {
+ verto.options.deviceParams.useMic = "any";
+ }
+
+ if (!verto.options.deviceParams.useSpeak) {
+ verto.options.deviceParams.useSpeak = "any";
+ }
+
+ if (verto.options.sessid) {
+ verto.sessid = verto.options.sessid;
+ } else {
+ verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
+ localStorage.setItem("verto_session_uuid", verto.sessid);
+ }
+
+ verto.dialogs = {};
+ verto.callbacks = callbacks || {};
+ verto.eventSUBS = {};
+
+ verto.rpcClient = new $.JsonRpcClient({
+ login: verto.options.login,
+ passwd: verto.options.passwd,
+ socketUrl: verto.options.socketUrl,
+ wsFallbackURL: verto.options.wsFallbackURL,
+ turnServer: verto.options.turnServer,
+ loginParams: verto.options.loginParams,
+ userVariables: verto.options.userVariables,
+ sessid: verto.sessid,
+ onmessage: function(e) {
+ return verto.handleMessage(e.eventData);
+ },
+ onWSConnect: function(o) {
+ o.call('login', {});
+ },
+ onWSLogin: function(success) {
+ if (verto.callbacks.onWSLogin) {
+ verto.callbacks.onWSLogin(verto, success);
+ }
+ },
+ onWSClose: function(success) {
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, success);
+ }
+ verto.purge();
+ }
+ });
+
+ var tag = verto.options.tag;
+ if (typeof(tag) === "function") {
+ tag = tag();
+ }
+
+ if (verto.options.ringFile && verto.options.tag) {
+ verto.ringer = $("#" + tag);
+ }
+
+ verto.rpcClient.call('login', {});
+
+ };
+
+
+ $.verto.prototype.deviceParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.deviceParams[i] = obj[i];
+ }
+
+ if (obj.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
+ }
+ };
+
+ $.verto.prototype.videoParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.videoParams[i] = obj[i];
+ }
+ };
+
+ $.verto.prototype.iceServers = function(obj) {
+ var verto = this;
+ verto.options.iceServers = obj;
+ };
+
+ $.verto.prototype.loginData = function(params) {
+ var verto = this;
+ verto.options.login = params.login;
+ verto.options.passwd = params.passwd;
+ verto.rpcClient.loginData(params);
+ };
+
+ $.verto.prototype.logout = function(msg) {
+ var verto = this;
+ verto.rpcClient.closeSocket();
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, false);
+ }
+ verto.purge();
+ };
+
+ $.verto.prototype.login = function(msg) {
+ var verto = this;
+ verto.logout();
+ verto.rpcClient.call('login', {});
+ };
+
+ $.verto.prototype.message = function(msg) {
+ var verto = this;
+ var err = 0;
+
+ if (!msg.to) {
+ console.error("Missing To");
+ err++;
+ }
+
+ if (!msg.body) {
+ console.error("Missing Body");
+ err++;
+ }
+
+ if (err) {
+ return false;
+ }
+
+ verto.sendMethod("verto.info", {
+ msg: msg
+ });
+
+ return true;
+ };
+
+ $.verto.prototype.processReply = function(method, success, e) {
+ var verto = this;
+ var i;
+
+ //console.log("Response: " + method, success, e);
+
+ switch (method) {
+ case "verto.subscribe":
+ for (i in e.unauthorizedChannels) {
+ drop_bad(verto, e.unauthorizedChannels[i]);
+ }
+ for (i in e.subscribedChannels) {
+ mark_ready(verto, e.subscribedChannels[i]);
+ }
+
+ break;
+ case "verto.unsubscribe":
+ //console.error(e);
+ break;
+ }
+ };
+
+ $.verto.prototype.sendMethod = function(method, params) {
+ var verto = this;
+
+ verto.rpcClient.call(method, params,
+
+ function(e) {
+ /* Success */
+ verto.processReply(method, true, e);
+ },
+
+ function(e) {
+ /* Error */
+ verto.processReply(method, false, e);
+ });
+ };
+
+ function do_sub(verto, channel, obj) {
+
+ }
+
+ function drop_bad(verto, channel) {
+ console.error("drop unauthorized channel: " + channel);
+ delete verto.eventSUBS[channel];
+ }
+
+ function mark_ready(verto, channel) {
+ for (var j in verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel][j].ready = true;
+ console.log("subscribed to channel: " + channel);
+ if (verto.eventSUBS[channel][j].readyHandler) {
+ verto.eventSUBS[channel][j].readyHandler(verto, channel);
+ }
+ }
+ }
+
+ var SERNO = 1;
+
+ function do_subscribe(verto, channel, subChannels, sparams) {
+ var params = sparams || {};
+
+ var local = params.local;
+
+ var obj = {
+ eventChannel: channel,
+ userData: params.userData,
+ handler: params.handler,
+ ready: false,
+ readyHandler: params.readyHandler,
+ serno: SERNO++
+ };
+
+ var isnew = false;
+
+ if (!verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel] = [];
+ subChannels.push(channel);
+ isnew = true;
+ }
+
+ verto.eventSUBS[channel].push(obj);
+
+ if (local) {
+ obj.ready = true;
+ obj.local = true;
+ }
+
+ if (!isnew && verto.eventSUBS[channel][0].ready) {
+ obj.ready = true;
+ if (obj.readyHandler) {
+ obj.readyHandler(verto, channel);
+ }
+ }
+
+ return {
+ serno: obj.serno,
+ eventChannel: channel
+ };
+
+ }
+
+ $.verto.prototype.subscribe = function(channel, sparams) {
+ var verto = this;
+ var r = [];
+ var subChannels = [];
+ var params = sparams || {};
+
+ if (typeof(channel) === "string") {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ } else {
+ for (var i in channel) {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ }
+ }
+
+ if (subChannels.length) {
+ verto.sendMethod("verto.subscribe", {
+ eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
+ subParams: params.subParams
+ });
+ }
+
+ return r;
+ };
+
+ $.verto.prototype.unsubscribe = function(handle) {
+ var verto = this;
+ var i;
+
+ if (!handle) {
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ verto.unsubscribe(verto.eventSUBS[i]);
+ }
+ }
+ } else {
+ var unsubChannels = {};
+ var sendChannels = [];
+ var channel;
+
+ if (typeof(handle) == "string") {
+ delete verto.eventSUBS[handle];
+ unsubChannels[handle]++;
+ } else {
+ for (i in handle) {
+ if (typeof(handle[i]) == "string") {
+ channel = handle[i];
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ } else {
+ var repl = [];
+ channel = handle[i].eventChannel;
+
+ for (var j in verto.eventSUBS[channel]) {
+ if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
+ repl.push(verto.eventSUBS[channel][j]);
+ }
+ }
+
+ verto.eventSUBS[channel] = repl;
+
+ if (verto.eventSUBS[channel].length === 0) {
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ }
+ }
+ }
+ }
+
+ for (var u in unsubChannels) {
+ console.log("Sending Unsubscribe for: ", u);
+ sendChannels.push(u);
+ }
+
+ if (sendChannels.length) {
+ verto.sendMethod("verto.unsubscribe", {
+ eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
+ });
+ }
+ }
+ };
+
+ $.verto.prototype.broadcast = function(channel, params) {
+ var verto = this;
+ var msg = {
+ eventChannel: channel,
+ data: {}
+ };
+ for (var i in params) {
+ msg.data[i] = params[i];
+ }
+ verto.sendMethod("verto.broadcast", msg);
+ };
+
+ $.verto.prototype.purge = function(callID) {
+ var verto = this;
+ var x = 0;
+ var i;
+
+ for (i in verto.dialogs) {
+ if (!x) {
+ console.log("purging dialogs");
+ }
+ x++;
+ verto.dialogs[i].setState($.verto.enum.state.purge);
+ }
+
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ console.log("purging subscription: " + i);
+ delete verto.eventSUBS[i];
+ }
+ }
+ };
+
+ $.verto.prototype.hangup = function(callID) {
+ var verto = this;
+ if (callID) {
+ var dialog = verto.dialogs[callID];
+
+ if (dialog) {
+ dialog.hangup();
+ }
+ } else {
+ for (var i in verto.dialogs) {
+ verto.dialogs[i].hangup();
+ }
+ }
+ };
+
+ $.verto.prototype.newCall = function(args, callbacks) {
+ var verto = this;
+
+ if (!verto.rpcClient.socketReady()) {
+ console.error("Not Connected...");
+ return;
+ }
+
+ if (args["useCamera"]) {
+ verto.options.deviceParams["useCamera"] = args["useCamera"];
+ }
+
+ var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
+
+ if (callbacks) {
+ dialog.callbacks = callbacks;
+ }
+
+ dialog.invite();
+
+ return dialog;
+ };
+
+ $.verto.prototype.handleMessage = function(data) {
+ var verto = this;
+
+ if (!(data && data.method)) {
+ console.error("Invalid Data", data);
+ return;
+ }
+
+ if (data.params.callID) {
+ var dialog = verto.dialogs[data.params.callID];
+
+ if (data.method === "verto.attach" && dialog) {
+ delete dialog.verto.dialogs[dialog.callID];
+ dialog.rtc.stop();
+ dialog = null;
+ }
+
+ if (dialog) {
+
+ switch (data.method) {
+ case 'verto.bye':
+ dialog.hangup(data.params);
+ break;
+ case 'verto.answer':
+ dialog.handleAnswer(data.params);
+ break;
+ case 'verto.media':
+ dialog.handleMedia(data.params);
+ break;
+ case 'verto.display':
+ dialog.handleDisplay(data.params);
+ break;
+ case 'verto.info':
+ dialog.handleInfo(data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
+ break;
+ }
+ } else {
+
+ switch (data.method) {
+ case 'verto.attach':
+ data.params.attach = true;
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.useVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ dialog.setState($.verto.enum.state.recovering);
+
+ break;
+ case 'verto.invite':
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.wantVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
+ break;
+ }
+ }
+
+ return {
+ method: data.method
+ };
+ } else {
+ switch (data.method) {
+ case 'verto.punt':
+ verto.purge();
+ verto.logout();
+ break;
+ case 'verto.event':
+ var list = null;
+ var key = null;
+
+ if (data.params) {
+ key = data.params.eventChannel;
+ }
+
+ if (key) {
+ list = verto.eventSUBS[key];
+
+ if (!list) {
+ list = verto.eventSUBS[key.split(".")[0]];
+ }
+ }
+
+ if (!list && key && key === verto.sessid) {
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
+ }
+ } else if (!list && key && verto.dialogs[key]) {
+ verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
+ } else if (!list) {
+ if (!key) {
+ key = "UNDEFINED";
+ }
+ console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
+ } else {
+ for (var i in list) {
+ var sub = list[i];
+
+ if (!sub || !sub.ready) {
+ console.error("invalid EVENT for " + key + " IGNORED");
+ } else if (sub.handler) {
+ sub.handler(verto, data.params, sub.userData);
+ } else if (verto.callbacks.onEvent) {
+ verto.callbacks.onEvent(verto, data.params, sub.userData);
+ } else {
+ console.log("EVENT:", data.params);
+ }
+ }
+ }
+
+ break;
+
+ case "verto.info":
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
+ }
+ //console.error(data);
+ console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
+
+ break;
+
+ case 'verto.clientReady':
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
+ }
+ console.debug("CLIENT READY", data.params);
+ break;
+
+ default:
+ console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
+ break;
+ }
+ }
+ };
+
+ var del_array = function(array, name) {
+ var r = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] != name) {
+ r.push(array[i]);
+ }
+ }
+
+ return r;
+ };
+
+ var hashArray = function() {
+ var vha = this;
+
+ var hash = {};
+ var array = [];
+
+ vha.reorder = function(a) {
+ array = a;
+ var h = hash;
+ hash = {};
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ if (h[key]) {
+ hash[key] = h[key];
+ delete h[key];
+ }
+ }
+ h = undefined;
+ };
+
+ vha.clear = function() {
+ hash = undefined;
+ array = undefined;
+ hash = {};
+ array = [];
+ };
+
+ vha.add = function(name, val, insertAt) {
+ var redraw = false;
+
+ if (!hash[name]) {
+ if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
+ array.push(name);
+ } else {
+ var x = 0;
+ var n = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (x++==insertAt) {
+ n.push(name);
+ }
+ n.push(array[i]);
+ }
+
+ array = undefined;
+ array = n;
+ n = undefined;
+ redraw = true;
+ }
+ }
+
+ hash[name] = val;
+
+ return redraw;
+ };
+
+ vha.del = function(name) {
+ var r = false;
+
+ if (hash[name]) {
+ array = del_array(array, name);
+ delete hash[name];
+ r = true;
+ } else {
+ console.error("can't del nonexistant key " + name);
+ }
+
+ return r;
+ };
+
+ vha.get = function(name) {
+ return hash[name];
+ };
+
+ vha.order = function() {
+ return array;
+ };
+
+ vha.hash = function() {
+ return hash;
+ };
+
+ vha.indexOf = function(name) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] == name) {
+ return i;
+ }
+ }
+ };
+
+ vha.arrayLen = function() {
+ return array.length;
+ };
+
+ vha.asArray = function() {
+ var r = [];
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ r.push(hash[key]);
+ }
+
+ return r;
+ };
+
+ vha.each = function(cb) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ cb(array[i], hash[array[i]]);
+ }
+ };
+
+ vha.dump = function(html) {
+ var str = "";
+
+ vha.each(function(name, val) {
+ str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
+ "Stop " +
+ "Record " +
+ "Record Stop " +
+ (confMan.params.hasVid ? "PNG Snapshot " : "") +
+ "
";
+
+ jq.html(html);
+
+ $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
+ var val = $("#" + id + " option:selected").text();
+ if (val !== "none") {
+ confMan.modCommand("vid-layout", null, [val, canvas_id]);
+ }
+ };
+
+ if (confMan.params.hasVid) {
+ for (var j = 0; j < confMan.canvasCount; j++) {
+ var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
+ var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
+
+
+ var vlhtml = "Video Layout Canvas " + (j+1) +
+ "
";
+ jq.append(vlhtml);
+ }
+
+ $("#" + snapshot_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("vid-write-png", null, file);
+ }
+ });
+ }
+
+ $("#" + play_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("play", null, file);
+ }
+ });
+
+ $("#" + stop_id).click(function() {
+ confMan.modCommand("stop", null, "all");
+ });
+
+ $("#" + recording_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("recording", null, ["start", file]);
+ }
+ });
+
+ $("#" + rec_stop_id).click(function() {
+ confMan.modCommand("recording", null, ["stop", "all"]);
+ });
+
+ }
+
+ function genControls(jq, rowid) {
+ var x = parseInt(rowid);
+ var kick_id = "kick_" + x;
+ var canvas_in_next_id = "canvas_in_next_" + x;
+ var canvas_in_prev_id = "canvas_in_prev_" + x;
+ var canvas_out_next_id = "canvas_out_next_" + x;
+ var canvas_out_prev_id = "canvas_out_prev_" + x;
+
+ var canvas_in_set_id = "canvas_in_set_" + x;
+ var canvas_out_set_id = "canvas_out_set_" + x;
+
+ var layer_set_id = "layer_set_" + x;
+ var layer_next_id = "layer_next_" + x;
+ var layer_prev_id = "layer_prev_" + x;
+
+ var tmute_id = "tmute_" + x;
+ var tvmute_id = "tvmute_" + x;
+ var vbanner_id = "vbanner_" + x;
+ var tvpresenter_id = "tvpresenter_" + x;
+ var tvfloor_id = "tvfloor_" + x;
+ var box_id = "box_" + x;
+ var gainup_id = "gain_in_up" + x;
+ var gaindn_id = "gain_in_dn" + x;
+ var volup_id = "vol_in_up" + x;
+ var voldn_id = "vol_in_dn" + x;
+ var transfer_id = "transfer" + x;
+
+
+ var html = "";
+
+ html += "General Controls
Kick " +
+ "Mute " +
+ "Gain - " +
+ "Gain + " +
+ "Vol - " +
+ "Vol + " +
+ "Transfer ";
+
+ if (confMan.params.hasVid) {
+ html += "Video Controls VMute " +
+ "Presenter " +
+ "Vid Floor " +
+ "Banner ";
+
+ if (confMan.canvasCount > 1) {
+ html += "Canvas Controls Set Input Canvas " +
+ "Prev Input Canvas " +
+ "Next Input Canvas " +
+
+ "Set Watching Canvas " +
+ "Prev Watching Canvas " +
+ "Next Watching Canvas ";
+ }
+
+ html += "Set Layer " +
+ "Prev Layer " +
+ "Next Layer " +
+
+
+
+ "";
+ }
+
+ jq.html(html);
+
+
+ if (!jq.data("mouse")) {
+ $("#" + box_id).hide();
+ }
+
+ jq.mouseover(function(e) {
+ jq.data({"mouse": true});
+ $("#" + box_id).show();
+ });
+
+ jq.mouseout(function(e) {
+ jq.data({"mouse": false});
+ $("#" + box_id).hide();
+ });
+
+ $("#" + transfer_id).click(function() {
+ var xten = prompt("Enter Extension");
+ if (xten) {
+ confMan.modCommand("transfer", x, xten);
+ }
+ });
+
+ $("#" + kick_id).click(function() {
+ confMan.modCommand("kick", x);
+ });
+
+
+ $("#" + layer_set_id).click(function() {
+ var cid = prompt("Please enter layer ID", "");
+ if (cid) {
+ confMan.modCommand("vid-layer", x, cid);
+ }
+ });
+
+ $("#" + layer_next_id).click(function() {
+ confMan.modCommand("vid-layer", x, "next");
+ });
+ $("#" + layer_prev_id).click(function() {
+ confMan.modCommand("vid-layer", x, "prev");
+ });
+
+ $("#" + canvas_in_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_out_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-watching-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_in_next_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "next");
+ });
+ $("#" + canvas_in_prev_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "prev");
+ });
+
+
+ $("#" + canvas_out_next_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "next");
+ });
+ $("#" + canvas_out_prev_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "prev");
+ });
+
+ $("#" + tmute_id).click(function() {
+ confMan.modCommand("tmute", x);
+ });
+
+ if (confMan.params.hasVid) {
+ $("#" + tvmute_id).click(function() {
+ confMan.modCommand("tvmute", x);
+ });
+ $("#" + tvpresenter_id).click(function() {
+ confMan.modCommand("vid-res-id", x, "presenter");
+ });
+ $("#" + tvfloor_id).click(function() {
+ confMan.modCommand("vid-floor", x, "force");
+ });
+ $("#" + vbanner_id).click(function() {
+ var text = prompt("Please enter text", "");
+ if (text) {
+ confMan.modCommand("vid-banner", x, escape(text));
+ }
+ });
+ }
+
+ $("#" + gainup_id).click(function() {
+ confMan.modCommand("volume_in", x, "up");
+ });
+
+ $("#" + gaindn_id).click(function() {
+ confMan.modCommand("volume_in", x, "down");
+ });
+
+ $("#" + volup_id).click(function() {
+ confMan.modCommand("volume_out", x, "up");
+ });
+
+ $("#" + voldn_id).click(function() {
+ confMan.modCommand("volume_out", x, "down");
+ });
+
+ return html;
+ }
+
+ var atitle = "";
+ var awidth = 0;
+
+ //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
+
+ verto.subscribe(confMan.params.laData.infoChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.infoCallback) === "function") {
+ confMan.params.infoCallback(v,e);
+ }
+ }
+ });
+
+ verto.subscribe(confMan.params.laData.chatChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.chatCallback) === "function") {
+ confMan.params.chatCallback(v,e);
+ }
+ }
+ });
+
+ if (confMan.params.laData.role === "moderator") {
+ atitle = "Action";
+ awidth = 600;
+
+ if (confMan.params.mainModID) {
+ genMainMod($(confMan.params.mainModID));
+ $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
+ url.indexOf('?transport=udp') === -1;
+ });
+
+ delete server.url;
+ server.urls = isString ? urls[0] : urls;
+ return !!urls.length;
+ }
+ });
+}
+
+// Determines the intersection of local and remote capabilities.
+function getCommonCapabilities(localCapabilities, remoteCapabilities) {
+ var commonCapabilities = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: []
+ };
+
+ var findCodecByPayloadType = function(pt, codecs) {
+ pt = parseInt(pt, 10);
+ for (var i = 0; i < codecs.length; i++) {
+ if (codecs[i].payloadType === pt ||
+ codecs[i].preferredPayloadType === pt) {
+ return codecs[i];
+ }
+ }
+ };
+
+ var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
+ var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
+ var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
+ return lCodec && rCodec &&
+ lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
+ };
+
+ localCapabilities.codecs.forEach(function(lCodec) {
+ for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
+ var rCodec = remoteCapabilities.codecs[i];
+ if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
+ lCodec.clockRate === rCodec.clockRate) {
+ if (lCodec.name.toLowerCase() === 'rtx' &&
+ lCodec.parameters && rCodec.parameters.apt) {
+ // for RTX we need to find the local rtx that has a apt
+ // which points to the same local codec as the remote one.
+ if (!rtxCapabilityMatches(lCodec, rCodec,
+ localCapabilities.codecs, remoteCapabilities.codecs)) {
+ continue;
+ }
+ }
+ rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
+ // number of channels is the highest common number of channels
+ rCodec.numChannels = Math.min(lCodec.numChannels,
+ rCodec.numChannels);
+ // push rCodec so we reply with offerer payload type
+ commonCapabilities.codecs.push(rCodec);
+
+ // determine common feedback mechanisms
+ rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
+ for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
+ if (lCodec.rtcpFeedback[j].type === fb.type &&
+ lCodec.rtcpFeedback[j].parameter === fb.parameter) {
+ return true;
+ }
+ }
+ return false;
+ });
+ // FIXME: also need to determine .parameters
+ // see https://github.com/openpeer/ortc/issues/569
+ break;
+ }
+ }
+ });
+
+ localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
+ for (var i = 0; i < remoteCapabilities.headerExtensions.length;
+ i++) {
+ var rHeaderExtension = remoteCapabilities.headerExtensions[i];
+ if (lHeaderExtension.uri === rHeaderExtension.uri) {
+ commonCapabilities.headerExtensions.push(rHeaderExtension);
+ break;
+ }
+ }
+ });
+
+ // FIXME: fecMechanisms
+ return commonCapabilities;
+}
+
+// is action=setLocalDescription with type allowed in signalingState
+function isActionAllowedInSignalingState(action, type, signalingState) {
+ return {
+ offer: {
+ setLocalDescription: ['stable', 'have-local-offer'],
+ setRemoteDescription: ['stable', 'have-remote-offer']
+ },
+ answer: {
+ setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
+ setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
+ }
+ }[type][action].indexOf(signalingState) !== -1;
+}
+
+function maybeAddCandidate(iceTransport, candidate) {
+ // Edge's internal representation adds some fields therefore
+ // not all fieldѕ are taken into account.
+ var alreadyAdded = iceTransport.getRemoteCandidates()
+ .find(function(remoteCandidate) {
+ return candidate.foundation === remoteCandidate.foundation &&
+ candidate.ip === remoteCandidate.ip &&
+ candidate.port === remoteCandidate.port &&
+ candidate.priority === remoteCandidate.priority &&
+ candidate.protocol === remoteCandidate.protocol &&
+ candidate.type === remoteCandidate.type;
+ });
+ if (!alreadyAdded) {
+ iceTransport.addRemoteCandidate(candidate);
+ }
+ return !alreadyAdded;
+}
+
+
+// https://w3c.github.io/mediacapture-main/#mediastream
+// Helper function to add the track to the stream and
+// dispatch the event ourselves.
+function addTrackToStreamAndFireEvent(track, stream) {
+ stream.addTrack(track);
+ var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function removeTrackFromStreamAndFireEvent(track, stream) {
+ stream.removeTrack(track);
+ var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function fireAddTrack(pc, track, receiver, streams) {
+ var trackEvent = new Event('track');
+ trackEvent.track = track;
+ trackEvent.receiver = receiver;
+ trackEvent.transceiver = {receiver: receiver};
+ trackEvent.streams = streams;
+ window.setTimeout(function() {
+ pc._dispatchEvent('track', trackEvent);
+ });
+}
+
+function makeError(name, description) {
+ var e = new Error(description);
+ e.name = name;
+ return e;
+}
+
+module.exports = function(window, edgeVersion) {
+ var RTCPeerConnection = function(config) {
+ var pc = this;
+
+ var _eventTarget = document.createDocumentFragment();
+ ['addEventListener', 'removeEventListener', 'dispatchEvent']
+ .forEach(function(method) {
+ pc[method] = _eventTarget[method].bind(_eventTarget);
+ });
+
+ this.canTrickleIceCandidates = null;
+
+ this.needNegotiation = false;
+
+ this.localStreams = [];
+ this.remoteStreams = [];
+
+ this.localDescription = null;
+ this.remoteDescription = null;
+
+ this.signalingState = 'stable';
+ this.iceConnectionState = 'new';
+ this.iceGatheringState = 'new';
+
+ config = JSON.parse(JSON.stringify(config || {}));
+
+ this.usingBundle = config.bundlePolicy === 'max-bundle';
+ if (config.rtcpMuxPolicy === 'negotiate') {
+ throw(makeError('NotSupportedError',
+ 'rtcpMuxPolicy \'negotiate\' is not supported'));
+ } else if (!config.rtcpMuxPolicy) {
+ config.rtcpMuxPolicy = 'require';
+ }
+
+ switch (config.iceTransportPolicy) {
+ case 'all':
+ case 'relay':
+ break;
+ default:
+ config.iceTransportPolicy = 'all';
+ break;
+ }
+
+ switch (config.bundlePolicy) {
+ case 'balanced':
+ case 'max-compat':
+ case 'max-bundle':
+ break;
+ default:
+ config.bundlePolicy = 'balanced';
+ break;
+ }
+
+ config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
+
+ this._iceGatherers = [];
+ if (config.iceCandidatePoolSize) {
+ for (var i = config.iceCandidatePoolSize; i > 0; i--) {
+ this._iceGatherers = new window.RTCIceGatherer({
+ iceServers: config.iceServers,
+ gatherPolicy: config.iceTransportPolicy
+ });
+ }
+ } else {
+ config.iceCandidatePoolSize = 0;
+ }
+
+ this._config = config;
+
+ // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
+ // everything that is needed to describe a SDP m-line.
+ this.transceivers = [];
+
+ this._sdpSessionId = SDPUtils.generateSessionId();
+ this._sdpSessionVersion = 0;
+
+ this._dtlsRole = undefined; // role for a=setup to use in answers.
+
+ this._isClosed = false;
+ };
+
+ // set up event handlers on prototype
+ RTCPeerConnection.prototype.onicecandidate = null;
+ RTCPeerConnection.prototype.onaddstream = null;
+ RTCPeerConnection.prototype.ontrack = null;
+ RTCPeerConnection.prototype.onremovestream = null;
+ RTCPeerConnection.prototype.onsignalingstatechange = null;
+ RTCPeerConnection.prototype.oniceconnectionstatechange = null;
+ RTCPeerConnection.prototype.onicegatheringstatechange = null;
+ RTCPeerConnection.prototype.onnegotiationneeded = null;
+ RTCPeerConnection.prototype.ondatachannel = null;
+
+ RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
+ if (this._isClosed) {
+ return;
+ }
+ this.dispatchEvent(event);
+ if (typeof this['on' + name] === 'function') {
+ this['on' + name](event);
+ }
+ };
+
+ RTCPeerConnection.prototype._emitGatheringStateChange = function() {
+ var event = new Event('icegatheringstatechange');
+ this._dispatchEvent('icegatheringstatechange', event);
+ };
+
+ RTCPeerConnection.prototype.getConfiguration = function() {
+ return this._config;
+ };
+
+ RTCPeerConnection.prototype.getLocalStreams = function() {
+ return this.localStreams;
+ };
+
+ RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this.remoteStreams;
+ };
+
+ // internal helper to create a transceiver object.
+ // (whih is not yet the same as the WebRTC 1.0 transceiver)
+ RTCPeerConnection.prototype._createTransceiver = function(kind) {
+ var hasBundleTransport = this.transceivers.length > 0;
+ var transceiver = {
+ track: null,
+ iceGatherer: null,
+ iceTransport: null,
+ dtlsTransport: null,
+ localCapabilities: null,
+ remoteCapabilities: null,
+ rtpSender: null,
+ rtpReceiver: null,
+ kind: kind,
+ mid: null,
+ sendEncodingParameters: null,
+ recvEncodingParameters: null,
+ stream: null,
+ associatedRemoteMediaStreams: [],
+ wantReceive: true
+ };
+ if (this.usingBundle && hasBundleTransport) {
+ transceiver.iceTransport = this.transceivers[0].iceTransport;
+ transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
+ } else {
+ var transports = this._createIceAndDtlsTransports();
+ transceiver.iceTransport = transports.iceTransport;
+ transceiver.dtlsTransport = transports.dtlsTransport;
+ }
+ this.transceivers.push(transceiver);
+ return transceiver;
+ };
+
+ RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var alreadyExists = this.transceivers.find(function(s) {
+ return s.track === track;
+ });
+
+ if (alreadyExists) {
+ throw makeError('InvalidAccessError', 'Track already exists.');
+ }
+
+ if (this.signalingState === 'closed') {
+ throw makeError('InvalidStateError',
+ 'Attempted to call addTrack on a closed peerconnection.');
+ }
+
+ var transceiver;
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (!this.transceivers[i].track &&
+ this.transceivers[i].kind === track.kind) {
+ transceiver = this.transceivers[i];
+ }
+ }
+ if (!transceiver) {
+ transceiver = this._createTransceiver(track.kind);
+ }
+
+ this._maybeFireNegotiationNeeded();
+
+ if (this.localStreams.indexOf(stream) === -1) {
+ this.localStreams.push(stream);
+ }
+
+ transceiver.track = track;
+ transceiver.stream = stream;
+ transceiver.rtpSender = new window.RTCRtpSender(track,
+ transceiver.dtlsTransport);
+ return transceiver.rtpSender;
+ };
+
+ RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ if (edgeVersion >= 15025) {
+ stream.getTracks().forEach(function(track) {
+ pc.addTrack(track, stream);
+ });
+ } else {
+ // Clone is necessary for local demos mostly, attaching directly
+ // to two different senders does not work (build 10547).
+ // Fixed in 15025 (or earlier)
+ var clonedStream = stream.clone();
+ stream.getTracks().forEach(function(track, idx) {
+ var clonedTrack = clonedStream.getTracks()[idx];
+ track.addEventListener('enabled', function(event) {
+ clonedTrack.enabled = event.enabled;
+ });
+ });
+ clonedStream.getTracks().forEach(function(track) {
+ pc.addTrack(track, clonedStream);
+ });
+ }
+ };
+
+ RTCPeerConnection.prototype.removeTrack = function(sender) {
+ if (!(sender instanceof window.RTCRtpSender)) {
+ throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.');
+ }
+
+ var transceiver = this.transceivers.find(function(t) {
+ return t.rtpSender === sender;
+ });
+
+ if (!transceiver) {
+ throw makeError('InvalidAccessError',
+ 'Sender was not created by this connection.');
+ }
+ var stream = transceiver.stream;
+
+ transceiver.rtpSender.stop();
+ transceiver.rtpSender = null;
+ transceiver.track = null;
+ transceiver.stream = null;
+
+ // remove the stream from the set of local streams
+ var localStreams = this.transceivers.map(function(t) {
+ return t.stream;
+ });
+ if (localStreams.indexOf(stream) === -1 &&
+ this.localStreams.indexOf(stream) > -1) {
+ this.localStreams.splice(this.localStreams.indexOf(stream), 1);
+ }
+
+ this._maybeFireNegotiationNeeded();
+ };
+
+ RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ var sender = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+
+ RTCPeerConnection.prototype.getSenders = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpSender;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpSender;
+ });
+ };
+
+ RTCPeerConnection.prototype.getReceivers = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpReceiver;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpReceiver;
+ });
+ };
+
+
+ RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
+ usingBundle) {
+ var pc = this;
+ if (usingBundle && sdpMLineIndex > 0) {
+ return this.transceivers[0].iceGatherer;
+ } else if (this._iceGatherers.length) {
+ return this._iceGatherers.shift();
+ }
+ var iceGatherer = new window.RTCIceGatherer({
+ iceServers: this._config.iceServers,
+ gatherPolicy: this._config.iceTransportPolicy
+ });
+ Object.defineProperty(iceGatherer, 'state',
+ {value: 'new', writable: true}
+ );
+
+ this.transceivers[sdpMLineIndex].candidates = [];
+ this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
+ var end = !event.candidate || Object.keys(event.candidate).length === 0;
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ iceGatherer.state = end ? 'completed' : 'gathering';
+ if (pc.transceivers[sdpMLineIndex].candidates !== null) {
+ pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
+ }
+ };
+ iceGatherer.addEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ return iceGatherer;
+ };
+
+ // start gathering from an RTCIceGatherer.
+ RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
+ var pc = this;
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer.onlocalcandidate) {
+ return;
+ }
+ var candidates = this.transceivers[sdpMLineIndex].candidates;
+ this.transceivers[sdpMLineIndex].candidates = null;
+ iceGatherer.removeEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ iceGatherer.onlocalcandidate = function(evt) {
+ if (pc.usingBundle && sdpMLineIndex > 0) {
+ // if we know that we use bundle we can drop candidates with
+ // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
+ // confused since we dispose the extra ice gatherer.
+ return;
+ }
+ var event = new Event('icecandidate');
+ event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
+
+ var cand = evt.candidate;
+ // Edge emits an empty object for RTCIceCandidateComplete‥
+ var end = !cand || Object.keys(cand).length === 0;
+ if (end) {
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
+ iceGatherer.state = 'completed';
+ }
+ } else {
+ if (iceGatherer.state === 'new') {
+ iceGatherer.state = 'gathering';
+ }
+ // RTCIceCandidate doesn't have a component, needs to be added
+ cand.component = 1;
+ event.candidate.candidate = SDPUtils.writeCandidate(cand);
+ }
+
+ // update local description.
+ var sections = SDPUtils.splitSections(pc.localDescription.sdp);
+ if (!end) {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=' + event.candidate.candidate + '\r\n';
+ } else {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=end-of-candidates\r\n';
+ }
+ pc.localDescription.sdp = sections.join('');
+ var complete = pc.transceivers.every(function(transceiver) {
+ return transceiver.iceGatherer &&
+ transceiver.iceGatherer.state === 'completed';
+ });
+
+ if (pc.iceGatheringState !== 'gathering') {
+ pc.iceGatheringState = 'gathering';
+ pc._emitGatheringStateChange();
+ }
+
+ // Emit candidate. Also emit null candidate when all gatherers are
+ // complete.
+ if (!end) {
+ pc._dispatchEvent('icecandidate', event);
+ }
+ if (complete) {
+ pc._dispatchEvent('icecandidate', new Event('icecandidate'));
+ pc.iceGatheringState = 'complete';
+ pc._emitGatheringStateChange();
+ }
+ };
+
+ // emit already gathered candidates.
+ window.setTimeout(function() {
+ candidates.forEach(function(candidate) {
+ var e = new Event('RTCIceGatherEvent');
+ e.candidate = candidate;
+ iceGatherer.onlocalcandidate(e);
+ });
+ }, 0);
+ };
+
+ // Create ICE transport and DTLS transport.
+ RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
+ var pc = this;
+ var iceTransport = new window.RTCIceTransport(null);
+ iceTransport.onicestatechange = function() {
+ pc._updateConnectionState();
+ };
+
+ var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
+ dtlsTransport.ondtlsstatechange = function() {
+ pc._updateConnectionState();
+ };
+ dtlsTransport.onerror = function() {
+ // onerror does not set state to failed by itpc.
+ Object.defineProperty(dtlsTransport, 'state',
+ {value: 'failed', writable: true});
+ pc._updateConnectionState();
+ };
+
+ return {
+ iceTransport: iceTransport,
+ dtlsTransport: dtlsTransport
+ };
+ };
+
+ // Destroy ICE gatherer, ICE transport and DTLS transport.
+ // Without triggering the callbacks.
+ RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
+ sdpMLineIndex) {
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer) {
+ delete iceGatherer.onlocalcandidate;
+ delete this.transceivers[sdpMLineIndex].iceGatherer;
+ }
+ var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
+ if (iceTransport) {
+ delete iceTransport.onicestatechange;
+ delete this.transceivers[sdpMLineIndex].iceTransport;
+ }
+ var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
+ if (dtlsTransport) {
+ delete dtlsTransport.ondtlsstatechange;
+ delete dtlsTransport.onerror;
+ delete this.transceivers[sdpMLineIndex].dtlsTransport;
+ }
+ };
+
+ // Start the RTP Sender and Receiver for a transceiver.
+ RTCPeerConnection.prototype._transceive = function(transceiver,
+ send, recv) {
+ var params = getCommonCapabilities(transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+ if (send && transceiver.rtpSender) {
+ params.encodings = transceiver.sendEncodingParameters;
+ params.rtcp = {
+ cname: SDPUtils.localCName,
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.recvEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpSender.send(params);
+ }
+ if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
+ // remove RTX field in Edge 14942
+ if (transceiver.kind === 'video'
+ && transceiver.recvEncodingParameters
+ && edgeVersion < 15019) {
+ transceiver.recvEncodingParameters.forEach(function(p) {
+ delete p.rtx;
+ });
+ }
+ if (transceiver.recvEncodingParameters.length) {
+ params.encodings = transceiver.recvEncodingParameters;
+ }
+ params.rtcp = {
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.rtcpParameters.cname) {
+ params.rtcp.cname = transceiver.rtcpParameters.cname;
+ }
+ if (transceiver.sendEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpReceiver.receive(params);
+ }
+ };
+
+ RTCPeerConnection.prototype.setLocalDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setLocalDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set local ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var sections;
+ var sessionpart;
+ if (description.type === 'offer') {
+ // VERY limited support for SDP munging. Limited to:
+ // * changing the order of codecs
+ sections = SDPUtils.splitSections(description.sdp);
+ sessionpart = sections.shift();
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var caps = SDPUtils.parseRtpParameters(mediaSection);
+ pc.transceivers[sdpMLineIndex].localCapabilities = caps;
+ });
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ });
+ } else if (description.type === 'answer') {
+ sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
+ sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var transceiver = pc.transceivers[sdpMLineIndex];
+ var iceGatherer = transceiver.iceGatherer;
+ var iceTransport = transceiver.iceTransport;
+ var dtlsTransport = transceiver.dtlsTransport;
+ var localCapabilities = transceiver.localCapabilities;
+ var remoteCapabilities = transceiver.remoteCapabilities;
+
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+
+ if (!rejected && !transceiver.isDatachannel) {
+ var remoteIceParameters = SDPUtils.getIceParameters(
+ mediaSection, sessionpart);
+ var remoteDtlsParameters = SDPUtils.getDtlsParameters(
+ mediaSection, sessionpart);
+ if (isIceLite) {
+ remoteDtlsParameters.role = 'server';
+ }
+
+ if (!pc.usingBundle || sdpMLineIndex === 0) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ isIceLite ? 'controlling' : 'controlled');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var params = getCommonCapabilities(localCapabilities,
+ remoteCapabilities);
+
+ // Start the RTCRtpSender. The RTCRtpReceiver for this
+ // transceiver has already been started in setRemoteDescription.
+ pc._transceive(transceiver,
+ params.codecs.length > 0,
+ false);
+ }
+ });
+ }
+
+ this.localDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-local-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.setRemoteDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setRemoteDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set remote ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var streams = {};
+ this.remoteStreams.forEach(function(stream) {
+ streams[stream.id] = stream;
+ });
+ var receiverList = [];
+ var sections = SDPUtils.splitSections(description.sdp);
+ var sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ var usingBundle = SDPUtils.matchPrefix(sessionpart,
+ 'a=group:BUNDLE ').length > 0;
+ this.usingBundle = usingBundle;
+ var iceOptions = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-options:')[0];
+ if (iceOptions) {
+ this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
+ .indexOf('trickle') >= 0;
+ } else {
+ this.canTrickleIceCandidates = false;
+ }
+
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var kind = SDPUtils.getKind(mediaSection);
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+ var protocol = lines[0].substr(2).split(' ')[2];
+
+ var direction = SDPUtils.getDirection(mediaSection, sessionpart);
+ var remoteMsid = SDPUtils.parseMsid(mediaSection);
+
+ var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
+
+ // Reject datachannels which are not implemented yet.
+ if (kind === 'application' && protocol === 'DTLS/SCTP') {
+ pc.transceivers[sdpMLineIndex] = {
+ mid: mid,
+ isDatachannel: true
+ };
+ return;
+ }
+
+ var transceiver;
+ var iceGatherer;
+ var iceTransport;
+ var dtlsTransport;
+ var rtpReceiver;
+ var sendEncodingParameters;
+ var recvEncodingParameters;
+ var localCapabilities;
+
+ var track;
+ // FIXME: ensure the mediaSection has rtcp-mux set.
+ var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
+ var remoteIceParameters;
+ var remoteDtlsParameters;
+ if (!rejected) {
+ remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters.role = 'client';
+ }
+ recvEncodingParameters =
+ SDPUtils.parseRtpEncodingParameters(mediaSection);
+
+ var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
+
+ var isComplete = SDPUtils.matchPrefix(mediaSection,
+ 'a=end-of-candidates', sessionpart).length > 0;
+ var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
+ .map(function(cand) {
+ return SDPUtils.parseCandidate(cand);
+ })
+ .filter(function(cand) {
+ return cand.component === 1;
+ });
+
+ // Check if we can use BUNDLE and dispose transports.
+ if ((description.type === 'offer' || description.type === 'answer') &&
+ !rejected && usingBundle && sdpMLineIndex > 0 &&
+ pc.transceivers[sdpMLineIndex]) {
+ pc._disposeIceAndDtlsTransports(sdpMLineIndex);
+ pc.transceivers[sdpMLineIndex].iceGatherer =
+ pc.transceivers[0].iceGatherer;
+ pc.transceivers[sdpMLineIndex].iceTransport =
+ pc.transceivers[0].iceTransport;
+ pc.transceivers[sdpMLineIndex].dtlsTransport =
+ pc.transceivers[0].dtlsTransport;
+ if (pc.transceivers[sdpMLineIndex].rtpSender) {
+ pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
+ pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ }
+ if (description.type === 'offer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex] ||
+ pc._createTransceiver(kind);
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ usingBundle);
+ }
+
+ if (cands.length && transceiver.iceTransport.state === 'new') {
+ if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
+ transceiver.iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
+
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+
+ sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 2) * 1001
+ }];
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ var isNewTrack = false;
+ if (direction === 'sendrecv' || direction === 'sendonly') {
+ isNewTrack = !transceiver.rtpReceiver;
+ rtpReceiver = transceiver.rtpReceiver ||
+ new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
+
+ if (isNewTrack) {
+ var stream;
+ track = rtpReceiver.track;
+ // FIXME: does not work with Plan B.
+ if (remoteMsid && remoteMsid.stream === '-') {
+ // no-op. a stream id of '-' means: no associated stream.
+ } else if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ Object.defineProperty(streams[remoteMsid.stream], 'id', {
+ get: function() {
+ return remoteMsid.stream;
+ }
+ });
+ }
+ Object.defineProperty(track, 'id', {
+ get: function() {
+ return remoteMsid.track;
+ }
+ });
+ stream = streams[remoteMsid.stream];
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ stream = streams.default;
+ }
+ if (stream) {
+ addTrackToStreamAndFireEvent(track, stream);
+ transceiver.associatedRemoteMediaStreams.push(stream);
+ }
+ receiverList.push([track, rtpReceiver, stream]);
+ }
+ } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
+ transceiver.associatedRemoteMediaStreams.forEach(function(s) {
+ var nativeTrack = s.getTracks().find(function(t) {
+ return t.id === transceiver.rtpReceiver.track.id;
+ });
+ if (nativeTrack) {
+ removeTrackFromStreamAndFireEvent(nativeTrack, s);
+ }
+ });
+ transceiver.associatedRemoteMediaStreams = [];
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.remoteCapabilities = remoteCapabilities;
+ transceiver.rtpReceiver = rtpReceiver;
+ transceiver.rtcpParameters = rtcpParameters;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ transceiver.recvEncodingParameters = recvEncodingParameters;
+
+ // Start the RTCRtpReceiver now. The RTPSender is started in
+ // setLocalDescription.
+ pc._transceive(pc.transceivers[sdpMLineIndex],
+ false,
+ isNewTrack);
+ } else if (description.type === 'answer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex];
+ iceGatherer = transceiver.iceGatherer;
+ iceTransport = transceiver.iceTransport;
+ dtlsTransport = transceiver.dtlsTransport;
+ rtpReceiver = transceiver.rtpReceiver;
+ sendEncodingParameters = transceiver.sendEncodingParameters;
+ localCapabilities = transceiver.localCapabilities;
+
+ pc.transceivers[sdpMLineIndex].recvEncodingParameters =
+ recvEncodingParameters;
+ pc.transceivers[sdpMLineIndex].remoteCapabilities =
+ remoteCapabilities;
+ pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
+
+ if (cands.length && iceTransport.state === 'new') {
+ if ((isIceLite || isComplete) &&
+ (!usingBundle || sdpMLineIndex === 0)) {
+ iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ if (!usingBundle || sdpMLineIndex === 0) {
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ 'controlling');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ pc._transceive(transceiver,
+ direction === 'sendrecv' || direction === 'recvonly',
+ direction === 'sendrecv' || direction === 'sendonly');
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ if (rtpReceiver &&
+ (direction === 'sendrecv' || direction === 'sendonly')) {
+ track = rtpReceiver.track;
+ if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
+ receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams.default);
+ receiverList.push([track, rtpReceiver, streams.default]);
+ }
+ } else {
+ // FIXME: actually the receiver should be created later.
+ delete transceiver.rtpReceiver;
+ }
+ }
+ });
+
+ if (this._dtlsRole === undefined) {
+ this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
+ }
+
+ this.remoteDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-remote-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+ Object.keys(streams).forEach(function(sid) {
+ var stream = streams[sid];
+ if (stream.getTracks().length) {
+ if (pc.remoteStreams.indexOf(stream) === -1) {
+ pc.remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ window.setTimeout(function() {
+ pc._dispatchEvent('addstream', event);
+ });
+ }
+
+ receiverList.forEach(function(item) {
+ var track = item[0];
+ var receiver = item[1];
+ if (stream.id !== item[2].id) {
+ return;
+ }
+ fireAddTrack(pc, track, receiver, [stream]);
+ });
+ }
+ });
+ receiverList.forEach(function(item) {
+ if (item[2]) {
+ return;
+ }
+ fireAddTrack(pc, item[0], item[1], []);
+ });
+
+ // check whether addIceCandidate({}) was called within four seconds after
+ // setRemoteDescription.
+ window.setTimeout(function() {
+ if (!(pc && pc.transceivers)) {
+ return;
+ }
+ pc.transceivers.forEach(function(transceiver) {
+ if (transceiver.iceTransport &&
+ transceiver.iceTransport.state === 'new' &&
+ transceiver.iceTransport.getRemoteCandidates().length > 0) {
+ console.warn('Timeout for addRemoteCandidate. Consider sending ' +
+ 'an end-of-candidates notification');
+ transceiver.iceTransport.addRemoteCandidate({});
+ }
+ });
+ }, 4000);
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.close = function() {
+ this.transceivers.forEach(function(transceiver) {
+ /* not yet
+ if (transceiver.iceGatherer) {
+ transceiver.iceGatherer.close();
+ }
+ */
+ if (transceiver.iceTransport) {
+ transceiver.iceTransport.stop();
+ }
+ if (transceiver.dtlsTransport) {
+ transceiver.dtlsTransport.stop();
+ }
+ if (transceiver.rtpSender) {
+ transceiver.rtpSender.stop();
+ }
+ if (transceiver.rtpReceiver) {
+ transceiver.rtpReceiver.stop();
+ }
+ });
+ // FIXME: clean up tracks, local streams, remote streams, etc
+ this._isClosed = true;
+ this._updateSignalingState('closed');
+ };
+
+ // Update the signaling state.
+ RTCPeerConnection.prototype._updateSignalingState = function(newState) {
+ this.signalingState = newState;
+ var event = new Event('signalingstatechange');
+ this._dispatchEvent('signalingstatechange', event);
+ };
+
+ // Determine whether to fire the negotiationneeded event.
+ RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
+ var pc = this;
+ if (this.signalingState !== 'stable' || this.needNegotiation === true) {
+ return;
+ }
+ this.needNegotiation = true;
+ window.setTimeout(function() {
+ if (pc.needNegotiation === false) {
+ return;
+ }
+ pc.needNegotiation = false;
+ var event = new Event('negotiationneeded');
+ pc._dispatchEvent('negotiationneeded', event);
+ }, 0);
+ };
+
+ // Update the connection state.
+ RTCPeerConnection.prototype._updateConnectionState = function() {
+ var newState;
+ var states = {
+ 'new': 0,
+ closed: 0,
+ connecting: 0,
+ checking: 0,
+ connected: 0,
+ completed: 0,
+ disconnected: 0,
+ failed: 0
+ };
+ this.transceivers.forEach(function(transceiver) {
+ states[transceiver.iceTransport.state]++;
+ states[transceiver.dtlsTransport.state]++;
+ });
+ // ICETransport.completed and connected are the same for this purpose.
+ states.connected += states.completed;
+
+ newState = 'new';
+ if (states.failed > 0) {
+ newState = 'failed';
+ } else if (states.connecting > 0 || states.checking > 0) {
+ newState = 'connecting';
+ } else if (states.disconnected > 0) {
+ newState = 'disconnected';
+ } else if (states.new > 0) {
+ newState = 'new';
+ } else if (states.connected > 0 || states.completed > 0) {
+ newState = 'connected';
+ }
+
+ if (newState !== this.iceConnectionState) {
+ this.iceConnectionState = newState;
+ var event = new Event('iceconnectionstatechange');
+ this._dispatchEvent('iceconnectionstatechange', event);
+ }
+ };
+
+ RTCPeerConnection.prototype.createOffer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createOffer after close'));
+ }
+
+ var numAudioTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'audio';
+ }).length;
+ var numVideoTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'video';
+ }).length;
+
+ // Determine number of audio and video tracks we need to send/recv.
+ var offerOptions = arguments[0];
+ if (offerOptions) {
+ // Reject Chrome legacy constraints.
+ if (offerOptions.mandatory || offerOptions.optional) {
+ throw new TypeError(
+ 'Legacy mandatory/optional constraints not supported.');
+ }
+ if (offerOptions.offerToReceiveAudio !== undefined) {
+ if (offerOptions.offerToReceiveAudio === true) {
+ numAudioTracks = 1;
+ } else if (offerOptions.offerToReceiveAudio === false) {
+ numAudioTracks = 0;
+ } else {
+ numAudioTracks = offerOptions.offerToReceiveAudio;
+ }
+ }
+ if (offerOptions.offerToReceiveVideo !== undefined) {
+ if (offerOptions.offerToReceiveVideo === true) {
+ numVideoTracks = 1;
+ } else if (offerOptions.offerToReceiveVideo === false) {
+ numVideoTracks = 0;
+ } else {
+ numVideoTracks = offerOptions.offerToReceiveVideo;
+ }
+ }
+ }
+
+ this.transceivers.forEach(function(transceiver) {
+ if (transceiver.kind === 'audio') {
+ numAudioTracks--;
+ if (numAudioTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ } else if (transceiver.kind === 'video') {
+ numVideoTracks--;
+ if (numVideoTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ }
+ });
+
+ // Create M-lines for recvonly streams.
+ while (numAudioTracks > 0 || numVideoTracks > 0) {
+ if (numAudioTracks > 0) {
+ this._createTransceiver('audio');
+ numAudioTracks--;
+ }
+ if (numVideoTracks > 0) {
+ this._createTransceiver('video');
+ numVideoTracks--;
+ }
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ // For each track, create an ice gatherer, ice transport,
+ // dtls transport, potentially rtpsender and rtpreceiver.
+ var track = transceiver.track;
+ var kind = transceiver.kind;
+ var mid = SDPUtils.generateIdentifier();
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ pc.usingBundle);
+ }
+
+ var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+ localCapabilities.codecs.forEach(function(codec) {
+ // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
+ // by adding level-asymmetry-allowed=1
+ if (codec.name === 'H264' &&
+ codec.parameters['level-asymmetry-allowed'] === undefined) {
+ codec.parameters['level-asymmetry-allowed'] = '1';
+ }
+ });
+
+ // generate an ssrc now, to be used later in rtpSender.send
+ var sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 1) * 1001
+ }];
+ if (track) {
+ // add RTX
+ if (edgeVersion >= 15019 && kind === 'video' &&
+ !sendEncodingParameters[0].rtx) {
+ sendEncodingParameters[0].rtx = {
+ ssrc: sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+
+ if (transceiver.wantReceive) {
+ transceiver.rtpReceiver = new window.RTCRtpReceiver(
+ transceiver.dtlsTransport, kind);
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ });
+
+ // always offer BUNDLE and dispose on return if not supported.
+ if (this._config.bundlePolicy !== 'max-compat') {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ sdp += 'a=ice-options:trickle\r\n';
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
+ 'offer', transceiver.stream, pc._dtlsRole);
+ sdp += 'a=rtcp-rsize\r\n';
+
+ if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
+ (sdpMLineIndex === 0 || !pc.usingBundle)) {
+ transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
+ cand.component = 1;
+ sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
+ });
+
+ if (transceiver.iceGatherer.state === 'completed') {
+ sdp += 'a=end-of-candidates\r\n';
+ }
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'offer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.createAnswer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createAnswer after close'));
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ if (this.usingBundle) {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ var mediaSectionsInOffer = SDPUtils.splitSections(
+ this.remoteDescription.sdp).length - 1;
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
+ return;
+ }
+ if (transceiver.isDatachannel) {
+ sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
+ 'c=IN IP4 0.0.0.0\r\n' +
+ 'a=mid:' + transceiver.mid + '\r\n';
+ return;
+ }
+
+ // FIXME: look at direction.
+ if (transceiver.stream) {
+ var localTrack;
+ if (transceiver.kind === 'audio') {
+ localTrack = transceiver.stream.getAudioTracks()[0];
+ } else if (transceiver.kind === 'video') {
+ localTrack = transceiver.stream.getVideoTracks()[0];
+ }
+ if (localTrack) {
+ // add RTX
+ if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
+ !transceiver.sendEncodingParameters[0].rtx) {
+ transceiver.sendEncodingParameters[0].rtx = {
+ ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var commonCapabilities = getCommonCapabilities(
+ transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+
+ var hasRtx = commonCapabilities.codecs.filter(function(c) {
+ return c.name.toLowerCase() === 'rtx';
+ }).length;
+ if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
+ delete transceiver.sendEncodingParameters[0].rtx;
+ }
+
+ sdp += writeMediaSection(transceiver, commonCapabilities,
+ 'answer', transceiver.stream, pc._dtlsRole);
+ if (transceiver.rtcpParameters &&
+ transceiver.rtcpParameters.reducedSize) {
+ sdp += 'a=rtcp-rsize\r\n';
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'answer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
+ var sections;
+ if (!candidate || candidate.candidate === '') {
+ for (var j = 0; j < this.transceivers.length; j++) {
+ if (this.transceivers[j].isDatachannel) {
+ continue;
+ }
+ this.transceivers[j].iceTransport.addRemoteCandidate({});
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[j + 1] += 'a=end-of-candidates\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ if (this.usingBundle) {
+ break;
+ }
+ }
+ } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
+ throw new TypeError('sdpMLineIndex or sdpMid required');
+ } else if (!this.remoteDescription) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not add ICE candidate without a remote description'));
+ } else {
+ var sdpMLineIndex = candidate.sdpMLineIndex;
+ if (candidate.sdpMid) {
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (this.transceivers[i].mid === candidate.sdpMid) {
+ sdpMLineIndex = i;
+ break;
+ }
+ }
+ }
+ var transceiver = this.transceivers[sdpMLineIndex];
+ if (transceiver) {
+ if (transceiver.isDatachannel) {
+ return Promise.resolve();
+ }
+ var cand = Object.keys(candidate.candidate).length > 0 ?
+ SDPUtils.parseCandidate(candidate.candidate) : {};
+ // Ignore Chrome's invalid candidates since Edge does not like them.
+ if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
+ return Promise.resolve();
+ }
+ // Ignore RTCP candidates, we assume RTCP-MUX.
+ if (cand.component && cand.component !== 1) {
+ return Promise.resolve();
+ }
+ // when using bundle, avoid adding candidates to the wrong
+ // ice transport. And avoid adding candidates added in the SDP.
+ if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
+ transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
+ if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+
+ // update the remoteDescription.
+ var candidateString = candidate.candidate.trim();
+ if (candidateString.indexOf('a=') === 0) {
+ candidateString = candidateString.substr(2);
+ }
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[sdpMLineIndex + 1] += 'a=' +
+ (cand.type ? candidateString : 'end-of-candidates')
+ + '\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ } else {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.getStats = function() {
+ var promises = [];
+ this.transceivers.forEach(function(transceiver) {
+ ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
+ 'dtlsTransport'].forEach(function(method) {
+ if (transceiver[method]) {
+ promises.push(transceiver[method].getStats());
+ }
+ });
+ });
+ var fixStatsType = function(stat) {
+ return {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[stat.type] || stat.type;
+ };
+ return new Promise(function(resolve) {
+ // shim getStats with maplike support
+ var results = new Map();
+ Promise.all(promises).then(function(res) {
+ res.forEach(function(result) {
+ Object.keys(result).forEach(function(id) {
+ result[id].type = fixStatsType(result[id]);
+ results.set(id, result[id]);
+ });
+ });
+ resolve(results);
+ });
+ });
+ };
+
+ // legacy callback shims. Should be moved to adapter.js some days.
+ var methods = ['createOffer', 'createAnswer'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[0] === 'function' ||
+ typeof args[1] === 'function') { // legacy
+ return nativeMethod.apply(this, [arguments[2]])
+ .then(function(description) {
+ if (typeof args[0] === 'function') {
+ args[0].apply(null, [description]);
+ }
+ }, function(error) {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function' ||
+ typeof args[2] === 'function') { // legacy
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ }, function(error) {
+ if (typeof args[2] === 'function') {
+ args[2].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // getStats is special. It doesn't have a spec legacy method yet we support
+ // getStats(something, cb) without error callbacks.
+ ['getStats'].forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function') {
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ return RTCPeerConnection;
+};
+
+},{"sdp":2}],2:[function(require,module,exports){
+ /* eslint-env node */
+'use strict';
+
+// SDP helpers.
+var SDPUtils = {};
+
+// Generate an alphanumeric identifier for cname or mids.
+// TODO: use UUIDs instead? https://gist.github.com/jed/982883
+SDPUtils.generateIdentifier = function() {
+ return Math.random().toString(36).substr(2, 10);
+};
+
+// The RTCP CNAME used by all peerconnections from the same JS.
+SDPUtils.localCName = SDPUtils.generateIdentifier();
+
+// Splits SDP into lines, dealing with both CRLF and LF.
+SDPUtils.splitLines = function(blob) {
+ return blob.trim().split('\n').map(function(line) {
+ return line.trim();
+ });
+};
+// Splits SDP into sessionpart and mediasections. Ensures CRLF.
+SDPUtils.splitSections = function(blob) {
+ var parts = blob.split('\nm=');
+ return parts.map(function(part, index) {
+ return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
+ });
+};
+
+// Returns lines that start with a certain prefix.
+SDPUtils.matchPrefix = function(blob, prefix) {
+ return SDPUtils.splitLines(blob).filter(function(line) {
+ return line.indexOf(prefix) === 0;
+ });
+};
+
+// Parses an ICE candidate line. Sample input:
+// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
+// rport 55996"
+SDPUtils.parseCandidate = function(line) {
+ var parts;
+ // Parse both variants.
+ if (line.indexOf('a=candidate:') === 0) {
+ parts = line.substring(12).split(' ');
+ } else {
+ parts = line.substring(10).split(' ');
+ }
+
+ var candidate = {
+ foundation: parts[0],
+ component: parseInt(parts[1], 10),
+ protocol: parts[2].toLowerCase(),
+ priority: parseInt(parts[3], 10),
+ ip: parts[4],
+ port: parseInt(parts[5], 10),
+ // skip parts[6] == 'typ'
+ type: parts[7]
+ };
+
+ for (var i = 8; i < parts.length; i += 2) {
+ switch (parts[i]) {
+ case 'raddr':
+ candidate.relatedAddress = parts[i + 1];
+ break;
+ case 'rport':
+ candidate.relatedPort = parseInt(parts[i + 1], 10);
+ break;
+ case 'tcptype':
+ candidate.tcpType = parts[i + 1];
+ break;
+ case 'ufrag':
+ candidate.ufrag = parts[i + 1]; // for backward compability.
+ candidate.usernameFragment = parts[i + 1];
+ break;
+ default: // extension handling, in particular ufrag
+ candidate[parts[i]] = parts[i + 1];
+ break;
+ }
+ }
+ return candidate;
+};
+
+// Translates a candidate object into SDP candidate attribute.
+SDPUtils.writeCandidate = function(candidate) {
+ var sdp = [];
+ sdp.push(candidate.foundation);
+ sdp.push(candidate.component);
+ sdp.push(candidate.protocol.toUpperCase());
+ sdp.push(candidate.priority);
+ sdp.push(candidate.ip);
+ sdp.push(candidate.port);
+
+ var type = candidate.type;
+ sdp.push('typ');
+ sdp.push(type);
+ if (type !== 'host' && candidate.relatedAddress &&
+ candidate.relatedPort) {
+ sdp.push('raddr');
+ sdp.push(candidate.relatedAddress); // was: relAddr
+ sdp.push('rport');
+ sdp.push(candidate.relatedPort); // was: relPort
+ }
+ if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
+ sdp.push('tcptype');
+ sdp.push(candidate.tcpType);
+ }
+ if (candidate.ufrag) {
+ sdp.push('ufrag');
+ sdp.push(candidate.ufrag);
+ }
+ return 'candidate:' + sdp.join(' ');
+};
+
+// Parses an ice-options line, returns an array of option tags.
+// a=ice-options:foo bar
+SDPUtils.parseIceOptions = function(line) {
+ return line.substr(14).split(' ');
+}
+
+// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
+// a=rtpmap:111 opus/48000/2
+SDPUtils.parseRtpMap = function(line) {
+ var parts = line.substr(9).split(' ');
+ var parsed = {
+ payloadType: parseInt(parts.shift(), 10) // was: id
+ };
+
+ parts = parts[0].split('/');
+
+ parsed.name = parts[0];
+ parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
+ // was: channels
+ parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
+ return parsed;
+};
+
+// Generate an a=rtpmap line from RTCRtpCodecCapability or
+// RTCRtpCodecParameters.
+SDPUtils.writeRtpMap = function(codec) {
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
+ (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
+};
+
+// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
+// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
+// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
+SDPUtils.parseExtmap = function(line) {
+ var parts = line.substr(9).split(' ');
+ return {
+ id: parseInt(parts[0], 10),
+ direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
+ uri: parts[1]
+ };
+};
+
+// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
+// RTCRtpHeaderExtension.
+SDPUtils.writeExtmap = function(headerExtension) {
+ return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
+ (headerExtension.direction && headerExtension.direction !== 'sendrecv'
+ ? '/' + headerExtension.direction
+ : '') +
+ ' ' + headerExtension.uri + '\r\n';
+};
+
+// Parses an ftmp line, returns dictionary. Sample input:
+// a=fmtp:96 vbr=on;cng=on
+// Also deals with vbr=on; cng=on
+SDPUtils.parseFmtp = function(line) {
+ var parsed = {};
+ var kv;
+ var parts = line.substr(line.indexOf(' ') + 1).split(';');
+ for (var j = 0; j < parts.length; j++) {
+ kv = parts[j].trim().split('=');
+ parsed[kv[0].trim()] = kv[1];
+ }
+ return parsed;
+};
+
+// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeFmtp = function(codec) {
+ var line = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.parameters && Object.keys(codec.parameters).length) {
+ var params = [];
+ Object.keys(codec.parameters).forEach(function(param) {
+ params.push(param + '=' + codec.parameters[param]);
+ });
+ line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
+ }
+ return line;
+};
+
+// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
+// a=rtcp-fb:98 nack rpsi
+SDPUtils.parseRtcpFb = function(line) {
+ var parts = line.substr(line.indexOf(' ') + 1).split(' ');
+ return {
+ type: parts.shift(),
+ parameter: parts.join(' ')
+ };
+};
+// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeRtcpFb = function(codec) {
+ var lines = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
+ // FIXME: special handling for trr-int?
+ codec.rtcpFeedback.forEach(function(fb) {
+ lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
+ (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
+ '\r\n';
+ });
+ }
+ return lines;
+};
+
+// Parses an RFC 5576 ssrc media attribute. Sample input:
+// a=ssrc:3735928559 cname:something
+SDPUtils.parseSsrcMedia = function(line) {
+ var sp = line.indexOf(' ');
+ var parts = {
+ ssrc: parseInt(line.substr(7, sp - 7), 10)
+ };
+ var colon = line.indexOf(':', sp);
+ if (colon > -1) {
+ parts.attribute = line.substr(sp + 1, colon - sp - 1);
+ parts.value = line.substr(colon + 1);
+ } else {
+ parts.attribute = line.substr(sp + 1);
+ }
+ return parts;
+};
+
+// Extracts the MID (RFC 5888) from a media section.
+// returns the MID or undefined if no mid line was found.
+SDPUtils.getMid = function(mediaSection) {
+ var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
+ if (mid) {
+ return mid.substr(6);
+ }
+}
+
+SDPUtils.parseFingerprint = function(line) {
+ var parts = line.substr(14).split(' ');
+ return {
+ algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
+ value: parts[1]
+ };
+};
+
+// Extracts DTLS parameters from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the fingerprint line as input. See also getIceParameters.
+SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
+ 'a=fingerprint:');
+ // Note: a=setup line is ignored since we use the 'auto' role.
+ // Note2: 'algorithm' is not case sensitive except in Edge.
+ return {
+ role: 'auto',
+ fingerprints: lines.map(SDPUtils.parseFingerprint)
+ };
+};
+
+// Serializes DTLS parameters to SDP.
+SDPUtils.writeDtlsParameters = function(params, setupType) {
+ var sdp = 'a=setup:' + setupType + '\r\n';
+ params.fingerprints.forEach(function(fp) {
+ sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
+ });
+ return sdp;
+};
+// Parses ICE information from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the ice-ufrag and ice-pwd lines as input.
+SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ // Search in session part, too.
+ lines = lines.concat(SDPUtils.splitLines(sessionpart));
+ var iceParameters = {
+ usernameFragment: lines.filter(function(line) {
+ return line.indexOf('a=ice-ufrag:') === 0;
+ })[0].substr(12),
+ password: lines.filter(function(line) {
+ return line.indexOf('a=ice-pwd:') === 0;
+ })[0].substr(10)
+ };
+ return iceParameters;
+};
+
+// Serializes ICE parameters to SDP.
+SDPUtils.writeIceParameters = function(params) {
+ return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
+ 'a=ice-pwd:' + params.password + '\r\n';
+};
+
+// Parses the SDP media section and returns RTCRtpParameters.
+SDPUtils.parseRtpParameters = function(mediaSection) {
+ var description = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: [],
+ rtcp: []
+ };
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
+ var pt = mline[i];
+ var rtpmapline = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtpmap:' + pt + ' ')[0];
+ if (rtpmapline) {
+ var codec = SDPUtils.parseRtpMap(rtpmapline);
+ var fmtps = SDPUtils.matchPrefix(
+ mediaSection, 'a=fmtp:' + pt + ' ');
+ // Only the first a=fmtp: is considered.
+ codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
+ codec.rtcpFeedback = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtcp-fb:' + pt + ' ')
+ .map(SDPUtils.parseRtcpFb);
+ description.codecs.push(codec);
+ // parse FEC mechanisms from rtpmap lines.
+ switch (codec.name.toUpperCase()) {
+ case 'RED':
+ case 'ULPFEC':
+ description.fecMechanisms.push(codec.name.toUpperCase());
+ break;
+ default: // only RED and ULPFEC are recognized as FEC mechanisms.
+ break;
+ }
+ }
+ }
+ SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
+ description.headerExtensions.push(SDPUtils.parseExtmap(line));
+ });
+ // FIXME: parse rtcp.
+ return description;
+};
+
+// Generates parts of the SDP media section describing the capabilities /
+// parameters.
+SDPUtils.writeRtpDescription = function(kind, caps) {
+ var sdp = '';
+
+ // Build the mline.
+ sdp += 'm=' + kind + ' ';
+ sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
+ sdp += ' UDP/TLS/RTP/SAVPF ';
+ sdp += caps.codecs.map(function(codec) {
+ if (codec.preferredPayloadType !== undefined) {
+ return codec.preferredPayloadType;
+ }
+ return codec.payloadType;
+ }).join(' ') + '\r\n';
+
+ sdp += 'c=IN IP4 0.0.0.0\r\n';
+ sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
+
+ // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
+ caps.codecs.forEach(function(codec) {
+ sdp += SDPUtils.writeRtpMap(codec);
+ sdp += SDPUtils.writeFmtp(codec);
+ sdp += SDPUtils.writeRtcpFb(codec);
+ });
+ var maxptime = 0;
+ caps.codecs.forEach(function(codec) {
+ if (codec.maxptime > maxptime) {
+ maxptime = codec.maxptime;
+ }
+ });
+ if (maxptime > 0) {
+ sdp += 'a=maxptime:' + maxptime + '\r\n';
+ }
+ sdp += 'a=rtcp-mux\r\n';
+
+ caps.headerExtensions.forEach(function(extension) {
+ sdp += SDPUtils.writeExtmap(extension);
+ });
+ // FIXME: write fecMechanisms.
+ return sdp;
+};
+
+// Parses the SDP media section and returns an array of
+// RTCRtpEncodingParameters.
+SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
+ var encodingParameters = [];
+ var description = SDPUtils.parseRtpParameters(mediaSection);
+ var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
+ var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
+
+ // filter a=ssrc:... cname:, ignore PlanB-msid
+ var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'cname';
+ });
+ var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
+ var secondarySsrc;
+
+ var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
+ .map(function(line) {
+ var parts = line.split(' ');
+ parts.shift();
+ return parts.map(function(part) {
+ return parseInt(part, 10);
+ });
+ });
+ if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
+ secondarySsrc = flows[0][1];
+ }
+
+ description.codecs.forEach(function(codec) {
+ if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
+ var encParam = {
+ ssrc: primarySsrc,
+ codecPayloadType: parseInt(codec.parameters.apt, 10),
+ rtx: {
+ ssrc: secondarySsrc
+ }
+ };
+ encodingParameters.push(encParam);
+ if (hasRed) {
+ encParam = JSON.parse(JSON.stringify(encParam));
+ encParam.fec = {
+ ssrc: secondarySsrc,
+ mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
+ };
+ encodingParameters.push(encParam);
+ }
+ }
+ });
+ if (encodingParameters.length === 0 && primarySsrc) {
+ encodingParameters.push({
+ ssrc: primarySsrc
+ });
+ }
+
+ // we support both b=AS and b=TIAS but interpret AS as TIAS.
+ var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
+ if (bandwidth.length) {
+ if (bandwidth[0].indexOf('b=TIAS:') === 0) {
+ bandwidth = parseInt(bandwidth[0].substr(7), 10);
+ } else if (bandwidth[0].indexOf('b=AS:') === 0) {
+ // use formula from JSEP to convert b=AS to TIAS value.
+ bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
+ - (50 * 40 * 8);
+ } else {
+ bandwidth = undefined;
+ }
+ encodingParameters.forEach(function(params) {
+ params.maxBitrate = bandwidth;
+ });
+ }
+ return encodingParameters;
+};
+
+// parses http://draft.ortc.org/#rtcrtcpparameters*
+SDPUtils.parseRtcpParameters = function(mediaSection) {
+ var rtcpParameters = {};
+
+ var cname;
+ // Gets the first SSRC. Note that with RTX there might be multiple
+ // SSRCs.
+ var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(obj) {
+ return obj.attribute === 'cname';
+ })[0];
+ if (remoteSsrc) {
+ rtcpParameters.cname = remoteSsrc.value;
+ rtcpParameters.ssrc = remoteSsrc.ssrc;
+ }
+
+ // Edge uses the compound attribute instead of reducedSize
+ // compound is !reducedSize
+ var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
+ rtcpParameters.reducedSize = rsize.length > 0;
+ rtcpParameters.compound = rsize.length === 0;
+
+ // parses the rtcp-mux attrÑ–bute.
+ // Note that Edge does not support unmuxed RTCP.
+ var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
+ rtcpParameters.mux = mux.length > 0;
+
+ return rtcpParameters;
+};
+
+// parses either a=msid: or a=ssrc:... msid lines and returns
+// the id of the MediaStream and MediaStreamTrack.
+SDPUtils.parseMsid = function(mediaSection) {
+ var parts;
+ var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
+ if (spec.length === 1) {
+ parts = spec[0].substr(7).split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+ var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'msid';
+ });
+ if (planB.length > 0) {
+ parts = planB[0].value.split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+};
+
+// Generate a session ID for SDP.
+// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
+// recommends using a cryptographically random +ve 64-bit value
+// but right now this should be acceptable and within the right range
+SDPUtils.generateSessionId = function() {
+ return Math.random().toString().substr(2, 21);
+};
+
+// Write boilder plate for start of SDP
+// sessId argument is optional - if not supplied it will
+// be generated randomly
+// sessVersion is optional and defaults to 2
+SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
+ var sessionId;
+ var version = sessVer !== undefined ? sessVer : 2;
+ if (sessId) {
+ sessionId = sessId;
+ } else {
+ sessionId = SDPUtils.generateSessionId();
+ }
+ // FIXME: sess-id should be an NTP timestamp.
+ return 'v=0\r\n' +
+ 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
+ 's=-\r\n' +
+ 't=0 0\r\n';
+};
+
+SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
+ var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
+
+ // Map ICE parameters (ufrag, pwd) to SDP.
+ sdp += SDPUtils.writeIceParameters(
+ transceiver.iceGatherer.getLocalParameters());
+
+ // Map DTLS parameters to SDP.
+ sdp += SDPUtils.writeDtlsParameters(
+ transceiver.dtlsTransport.getLocalParameters(),
+ type === 'offer' ? 'actpass' : 'active');
+
+ sdp += 'a=mid:' + transceiver.mid + '\r\n';
+
+ if (transceiver.direction) {
+ sdp += 'a=' + transceiver.direction + '\r\n';
+ } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
+ sdp += 'a=sendrecv\r\n';
+ } else if (transceiver.rtpSender) {
+ sdp += 'a=sendonly\r\n';
+ } else if (transceiver.rtpReceiver) {
+ sdp += 'a=recvonly\r\n';
+ } else {
+ sdp += 'a=inactive\r\n';
+ }
+
+ if (transceiver.rtpSender) {
+ // spec.
+ var msid = 'msid:' + stream.id + ' ' +
+ transceiver.rtpSender.track.id + '\r\n';
+ sdp += 'a=' + msid;
+
+ // for Chrome.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' ' + msid;
+ if (transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' ' + msid;
+ sdp += 'a=ssrc-group:FID ' +
+ transceiver.sendEncodingParameters[0].ssrc + ' ' +
+ transceiver.sendEncodingParameters[0].rtx.ssrc +
+ '\r\n';
+ }
+ }
+ // FIXME: this should be written by writeRtpDescription.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ }
+ return sdp;
+};
+
+// Gets the direction from the mediaSection or the sessionpart.
+SDPUtils.getDirection = function(mediaSection, sessionpart) {
+ // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
+ var lines = SDPUtils.splitLines(mediaSection);
+ for (var i = 0; i < lines.length; i++) {
+ switch (lines[i]) {
+ case 'a=sendrecv':
+ case 'a=sendonly':
+ case 'a=recvonly':
+ case 'a=inactive':
+ return lines[i].substr(2);
+ default:
+ // FIXME: What should happen here?
+ }
+ }
+ if (sessionpart) {
+ return SDPUtils.getDirection(sessionpart);
+ }
+ return 'sendrecv';
+};
+
+SDPUtils.getKind = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return mline[0].substr(2);
+};
+
+SDPUtils.isRejected = function(mediaSection) {
+ return mediaSection.split(' ', 2)[1] === '0';
+};
+
+SDPUtils.parseMLine = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return {
+ kind: mline[0].substr(2),
+ port: parseInt(mline[1], 10),
+ protocol: mline[2],
+ fmt: mline.slice(3).join(' ')
+ };
+};
+
+// Expose public methods.
+if (typeof module === 'object') {
+ module.exports = SDPUtils;
+}
+
+},{}],3:[function(require,module,exports){
+(function (global){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var adapterFactory = require('./adapter_factory.js');
+module.exports = adapterFactory({window: global.window});
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./adapter_factory.js":4}],4:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var utils = require('./utils');
+// Shimming starts here.
+module.exports = function(dependencies, opts) {
+ var window = dependencies && dependencies.window;
+
+ var options = {
+ shimChrome: true,
+ shimFirefox: true,
+ shimEdge: true,
+ shimSafari: true,
+ };
+
+ for (var key in opts) {
+ if (hasOwnProperty.call(opts, key)) {
+ options[key] = opts[key];
+ }
+ }
+
+ // Utils.
+ var logging = utils.log;
+ var browserDetails = utils.detectBrowser(window);
+
+ // Uncomment the line below if you want logging to occur, including logging
+ // for the switch statement below. Can also be turned on in the browser via
+ // adapter.disableLog(false), but then logging from the switch statement below
+ // will not appear.
+ // require('./utils').disableLog(false);
+
+ // Browser shims.
+ var chromeShim = require('./chrome/chrome_shim') || null;
+ var edgeShim = require('./edge/edge_shim') || null;
+ var firefoxShim = require('./firefox/firefox_shim') || null;
+ var safariShim = require('./safari/safari_shim') || null;
+ var commonShim = require('./common_shim') || null;
+
+ // Export to the adapter global object visible in the browser.
+ var adapter = {
+ browserDetails: browserDetails,
+ commonShim: commonShim,
+ extractVersion: utils.extractVersion,
+ disableLog: utils.disableLog,
+ disableWarnings: utils.disableWarnings
+ };
+
+ // Shim browser if found.
+ switch (browserDetails.browser) {
+ case 'chrome':
+ if (!chromeShim || !chromeShim.shimPeerConnection ||
+ !options.shimChrome) {
+ logging('Chrome shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming chrome.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = chromeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ chromeShim.shimGetUserMedia(window);
+ chromeShim.shimMediaStream(window);
+ chromeShim.shimSourceObject(window);
+ chromeShim.shimPeerConnection(window);
+ chromeShim.shimOnTrack(window);
+ chromeShim.shimAddTrackRemoveTrack(window);
+ chromeShim.shimGetSendersWithDtmf(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'firefox':
+ if (!firefoxShim || !firefoxShim.shimPeerConnection ||
+ !options.shimFirefox) {
+ logging('Firefox shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming firefox.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = firefoxShim;
+ commonShim.shimCreateObjectURL(window);
+
+ firefoxShim.shimGetUserMedia(window);
+ firefoxShim.shimSourceObject(window);
+ firefoxShim.shimPeerConnection(window);
+ firefoxShim.shimOnTrack(window);
+ firefoxShim.shimRemoveStream(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'edge':
+ if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
+ logging('MS edge shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming edge.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = edgeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ edgeShim.shimGetUserMedia(window);
+ edgeShim.shimPeerConnection(window);
+ edgeShim.shimReplaceTrack(window);
+
+ // the edge shim implements the full RTCIceCandidate object.
+
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'safari':
+ if (!safariShim || !options.shimSafari) {
+ logging('Safari shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming safari.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = safariShim;
+ commonShim.shimCreateObjectURL(window);
+
+ safariShim.shimRTCIceServerUrls(window);
+ safariShim.shimCallbacksAPI(window);
+ safariShim.shimLocalStreamsAPI(window);
+ safariShim.shimRemoteStreamsAPI(window);
+ safariShim.shimTrackEventTransceiver(window);
+ safariShim.shimGetUserMedia(window);
+ safariShim.shimCreateOfferLegacy(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ default:
+ logging('Unsupported browser!');
+ break;
+ }
+
+ return adapter;
+};
+
+},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
+
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimMediaStream: function(window) {
+ window.MediaStream = window.MediaStream || window.webkitMediaStream;
+ },
+
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ }
+ });
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ if (!pc._ontrackpoly) {
+ pc._ontrackpoly = function(e) {
+ // onaddstream does not fire when a track is added to an existing
+ // stream. But stream.onaddtrack is implemented so we use that.
+ e.stream.addEventListener('addtrack', function(te) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === te.track.id;
+ });
+ } else {
+ receiver = {track: te.track};
+ }
+
+ var event = new Event('track');
+ event.track = te.track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ e.stream.getTracks().forEach(function(track) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === track.id;
+ });
+ } else {
+ receiver = {track: track};
+ }
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ };
+ pc.addEventListener('addstream', pc._ontrackpoly);
+ }
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ } else if (!('RTCRtpTransceiver' in window)) {
+ utils.wrapPeerConnectionEvent(window, 'track', function(e) {
+ if (!e.transceiver) {
+ e.transceiver = {receiver: e.receiver};
+ }
+ return e;
+ });
+ }
+ },
+
+ shimGetSendersWithDtmf: function(window) {
+ // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ !('getSenders' in window.RTCPeerConnection.prototype) &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype) {
+ var shimSenderWithDtmf = function(pc, track) {
+ return {
+ track: track,
+ get dtmf() {
+ if (this._dtmf === undefined) {
+ if (track.kind === 'audio') {
+ this._dtmf = pc.createDTMFSender(track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ },
+ _pc: pc
+ };
+ };
+
+ // augment addTrack when getSenders is not available.
+ if (!window.RTCPeerConnection.prototype.getSenders) {
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ this._senders = this._senders || [];
+ return this._senders.slice(); // return a copy of the internal state.
+ };
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ var sender = origAddTrack.apply(pc, arguments);
+ if (!sender) {
+ sender = shimSenderWithDtmf(pc, track);
+ pc._senders.push(sender);
+ }
+ return sender;
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ origRemoveTrack.apply(pc, arguments);
+ var idx = pc._senders.indexOf(sender);
+ if (idx !== -1) {
+ pc._senders.splice(idx, 1);
+ }
+ };
+ }
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origAddStream.apply(pc, [stream]);
+ stream.getTracks().forEach(function(track) {
+ pc._senders.push(shimSenderWithDtmf(pc, track));
+ });
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origRemoveStream.apply(pc, [stream]);
+
+ stream.getTracks().forEach(function(track) {
+ var sender = pc._senders.find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
+ }
+ });
+ };
+ } else if (typeof window === 'object' && window.RTCPeerConnection &&
+ 'getSenders' in window.RTCPeerConnection.prototype &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype &&
+ window.RTCRtpSender &&
+ !('dtmf' in window.RTCRtpSender.prototype)) {
+ var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ var pc = this;
+ var senders = origGetSenders.apply(pc, []);
+ senders.forEach(function(sender) {
+ sender._pc = pc;
+ });
+ return senders;
+ };
+
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = this._pc.createDTMFSender(this.track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ var URL = window && window.URL;
+
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this._srcObject;
+ },
+ set: function(stream) {
+ var self = this;
+ // Use _srcObject as a private property for this shim
+ this._srcObject = stream;
+ if (this.src) {
+ URL.revokeObjectURL(this.src);
+ }
+
+ if (!stream) {
+ this.src = '';
+ return undefined;
+ }
+ this.src = URL.createObjectURL(stream);
+ // We need to recreate the blob url when a track is added or
+ // removed. Doing it manually since we want to avoid a recursion.
+ stream.addEventListener('addtrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ stream.addEventListener('removetrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ }
+ });
+ }
+ }
+ },
+
+ shimAddTrackRemoveTrackWithNative: function(window) {
+ // shim addTrack/removeTrack with native variants in order to make
+ // the interactions with legacy getLocalStreams behave as in other browsers.
+ // Keeps a mapping stream.id => [stream, rtpsenders...]
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
+ return pc._shimmedLocalStreams[streamId][0];
+ });
+ };
+
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (!stream) {
+ return origAddTrack.apply(this, arguments);
+ }
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ var sender = origAddTrack.apply(this, arguments);
+ if (!this._shimmedLocalStreams[stream.id]) {
+ this._shimmedLocalStreams[stream.id] = [stream, sender];
+ } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
+ this._shimmedLocalStreams[stream.id].push(sender);
+ }
+ return sender;
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ var existingSenders = pc.getSenders();
+ origAddStream.apply(this, arguments);
+ var newSenders = pc.getSenders().filter(function(newSender) {
+ return existingSenders.indexOf(newSender) === -1;
+ });
+ this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ delete this._shimmedLocalStreams[stream.id];
+ return origRemoveStream.apply(this, arguments);
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ if (sender) {
+ Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
+ var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
+ if (idx !== -1) {
+ pc._shimmedLocalStreams[streamId].splice(idx, 1);
+ }
+ if (pc._shimmedLocalStreams[streamId].length === 1) {
+ delete pc._shimmedLocalStreams[streamId];
+ }
+ });
+ }
+ return origRemoveTrack.apply(this, arguments);
+ };
+ },
+
+ shimAddTrackRemoveTrack: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ // shim addTrack and removeTrack.
+ if (window.RTCPeerConnection.prototype.addTrack &&
+ browserDetails.version >= 65) {
+ return this.shimAddTrackRemoveTrackWithNative(window);
+ }
+
+ // also shim pc.getLocalStreams when addTrack is shimmed
+ // to return the original streams.
+ var origGetLocalStreams = window.RTCPeerConnection.prototype
+ .getLocalStreams;
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ var nativeStreams = origGetLocalStreams.apply(this);
+ pc._reverseStreams = pc._reverseStreams || {};
+ return nativeStreams.map(function(stream) {
+ return pc._reverseStreams[stream.id];
+ });
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ // Add identity mapping for consistency with addTrack.
+ // Unless this is being used with a stream from addTrack.
+ if (!pc._reverseStreams[stream.id]) {
+ var newStream = new window.MediaStream(stream.getTracks());
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ stream = newStream;
+ }
+ origAddStream.apply(pc, [stream]);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
+ delete pc._reverseStreams[(pc._streams[stream.id] ?
+ pc._streams[stream.id].id : stream.id)];
+ delete pc._streams[stream.id];
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ var streams = [].slice.call(arguments, 1);
+ if (streams.length !== 1 ||
+ !streams[0].getTracks().find(function(t) {
+ return t === track;
+ })) {
+ // this is not fully correct but all we can manage without
+ // [[associated MediaStreams]] internal slot.
+ throw new DOMException(
+ 'The adapter.js addTrack polyfill only supports a single ' +
+ ' stream which is associated with the specified track.',
+ 'NotSupportedError');
+ }
+
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+ var oldStream = pc._streams[stream.id];
+ if (oldStream) {
+ // this is using odd Chrome behaviour, use with caution:
+ // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
+ // Note: we rely on the high-level addTrack/dtmf shim to
+ // create the sender with a dtmf sender.
+ oldStream.addTrack(track);
+
+ // Trigger ONN async.
+ Promise.resolve().then(function() {
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ });
+ } else {
+ var newStream = new window.MediaStream([track]);
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ pc.addStream(newStream);
+ }
+ return pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ };
+
+ // replace the internal stream id with the external one and
+ // vice versa.
+ function replaceInternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
+ externalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ function replaceExternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
+ internalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ var args = arguments;
+ var isLegacyCall = arguments.length &&
+ typeof arguments[0] === 'function';
+ if (isLegacyCall) {
+ return nativeMethod.apply(pc, [
+ function(description) {
+ var desc = replaceInternalStreamId(pc, description);
+ args[0].apply(null, [desc]);
+ },
+ function(err) {
+ if (args[1]) {
+ args[1].apply(null, err);
+ }
+ }, arguments[2]
+ ]);
+ }
+ return nativeMethod.apply(pc, arguments)
+ .then(function(description) {
+ return replaceInternalStreamId(pc, description);
+ });
+ };
+ });
+
+ var origSetLocalDescription =
+ window.RTCPeerConnection.prototype.setLocalDescription;
+ window.RTCPeerConnection.prototype.setLocalDescription = function() {
+ var pc = this;
+ if (!arguments.length || !arguments[0].type) {
+ return origSetLocalDescription.apply(pc, arguments);
+ }
+ arguments[0] = replaceExternalStreamId(pc, arguments[0]);
+ return origSetLocalDescription.apply(pc, arguments);
+ };
+
+ // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
+
+ var origLocalDescription = Object.getOwnPropertyDescriptor(
+ window.RTCPeerConnection.prototype, 'localDescription');
+ Object.defineProperty(window.RTCPeerConnection.prototype,
+ 'localDescription', {
+ get: function() {
+ var pc = this;
+ var description = origLocalDescription.get.apply(this);
+ if (description.type === '') {
+ return description;
+ }
+ return replaceInternalStreamId(pc, description);
+ }
+ });
+
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ // We can not yet check for sender instanceof RTCRtpSender
+ // since we shim RTPSender. So we check if sender._pc is set.
+ if (!sender._pc) {
+ throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.', 'TypeError');
+ }
+ var isLocal = sender._pc === pc;
+ if (!isLocal) {
+ throw new DOMException('Sender was not created by this connection.',
+ 'InvalidAccessError');
+ }
+
+ // Search for the native stream the senders track belongs to.
+ pc._streams = pc._streams || {};
+ var stream;
+ Object.keys(pc._streams).forEach(function(streamid) {
+ var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
+ return sender.track === track;
+ });
+ if (hasTrack) {
+ stream = pc._streams[streamid];
+ }
+ });
+
+ if (stream) {
+ if (stream.getTracks().length === 1) {
+ // if this is the last track of the stream, remove the stream. This
+ // takes care of any shimmed _senders.
+ pc.removeStream(pc._reverseStreams[stream.id]);
+ } else {
+ // relying on the same odd chrome behaviour as above.
+ stream.removeTrack(sender.track);
+ }
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ }
+ };
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ // Translate iceTransportPolicy to iceTransports,
+ // see https://code.google.com/p/webrtc/issues/detail?id=4869
+ // this was fixed in M56 along with unprefixing RTCPeerConnection.
+ logging('PeerConnection');
+ if (pcConfig && pcConfig.iceTransportPolicy) {
+ pcConfig.iceTransports = pcConfig.iceTransportPolicy;
+ }
+
+ return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.webkitRTCPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if (window.webkitRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.webkitRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+ } else {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ var origGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(selector,
+ successCallback, errorCallback) {
+ var pc = this;
+ var args = arguments;
+
+ // If selector is a function then we are in the old style stats so just
+ // pass back the original getStats format to avoid breaking old users.
+ if (arguments.length > 0 && typeof selector === 'function') {
+ return origGetStats.apply(this, arguments);
+ }
+
+ // When spec-style getStats is supported, return those when called with
+ // either no arguments or the selector argument is null.
+ if (origGetStats.length === 0 && (arguments.length === 0 ||
+ typeof arguments[0] !== 'function')) {
+ return origGetStats.apply(this, []);
+ }
+
+ var fixChromeStats_ = function(response) {
+ var standardReport = {};
+ var reports = response.result();
+ reports.forEach(function(report) {
+ var standardStats = {
+ id: report.id,
+ timestamp: report.timestamp,
+ type: {
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[report.type] || report.type
+ };
+ report.names().forEach(function(name) {
+ standardStats[name] = report.stat(name);
+ });
+ standardReport[standardStats.id] = standardStats;
+ });
+
+ return standardReport;
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ return new Map(Object.keys(stats).map(function(key) {
+ return [key, stats[key]];
+ }));
+ };
+
+ if (arguments.length >= 2) {
+ var successCallbackWrapper_ = function(response) {
+ args[1](makeMapStats(fixChromeStats_(response)));
+ };
+
+ return origGetStats.apply(this, [successCallbackWrapper_,
+ arguments[0]]);
+ }
+
+ // promise-support
+ return new Promise(function(resolve, reject) {
+ origGetStats.apply(pc, [
+ function(response) {
+ resolve(makeMapStats(fixChromeStats_(response)));
+ }, reject]);
+ }).then(successCallback, errorCallback);
+ };
+
+ // add promise support -- natively available in Chrome 51
+ if (browserDetails.version < 51) {
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ var pc = this;
+ var promise = new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [args[0], resolve, reject]);
+ });
+ if (args.length < 2) {
+ return promise;
+ }
+ return promise.then(function() {
+ args[1].apply(null, []);
+ },
+ function(err) {
+ if (args.length >= 3) {
+ args[2].apply(null, [err]);
+ }
+ });
+ };
+ });
+ }
+
+ // promise support for createOffer and createAnswer. Available (without
+ // bugs) since M52: crbug/619289
+ if (browserDetails.version < 52) {
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ if (arguments.length < 1 || (arguments.length === 1 &&
+ typeof arguments[0] === 'object')) {
+ var opts = arguments.length === 1 ? arguments[0] : undefined;
+ return new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [resolve, reject, opts]);
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+ }
+
+ // shim implicit creation of RTCSessionDescription/RTCIceCandidate
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+ }
+};
+
+},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+
+ var constraintsToChrome_ = function(c) {
+ if (typeof c !== 'object' || c.mandatory || c.optional) {
+ return c;
+ }
+ var cc = {};
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
+ if (r.exact !== undefined && typeof r.exact === 'number') {
+ r.min = r.max = r.exact;
+ }
+ var oldname_ = function(prefix, name) {
+ if (prefix) {
+ return prefix + name.charAt(0).toUpperCase() + name.slice(1);
+ }
+ return (name === 'deviceId') ? 'sourceId' : name;
+ };
+ if (r.ideal !== undefined) {
+ cc.optional = cc.optional || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[oldname_('min', key)] = r.ideal;
+ cc.optional.push(oc);
+ oc = {};
+ oc[oldname_('max', key)] = r.ideal;
+ cc.optional.push(oc);
+ } else {
+ oc[oldname_('', key)] = r.ideal;
+ cc.optional.push(oc);
+ }
+ }
+ if (r.exact !== undefined && typeof r.exact !== 'number') {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_('', key)] = r.exact;
+ } else {
+ ['min', 'max'].forEach(function(mix) {
+ if (r[mix] !== undefined) {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_(mix, key)] = r[mix];
+ }
+ });
+ }
+ });
+ if (c.advanced) {
+ cc.optional = (cc.optional || []).concat(c.advanced);
+ }
+ return cc;
+ };
+
+ var shimConstraints_ = function(constraints, func) {
+ if (browserDetails.version >= 61) {
+ return func(constraints);
+ }
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (constraints && typeof constraints.audio === 'object') {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
+ remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
+ constraints.audio = constraintsToChrome_(constraints.audio);
+ }
+ if (constraints && typeof constraints.video === 'object') {
+ // Shim facingMode for mobile & surface pro.
+ var face = constraints.video.facingMode;
+ face = face && ((typeof face === 'object') ? face : {ideal: face});
+ var getSupportedFacingModeLies = browserDetails.version < 66;
+
+ if ((face && (face.exact === 'user' || face.exact === 'environment' ||
+ face.ideal === 'user' || face.ideal === 'environment')) &&
+ !(navigator.mediaDevices.getSupportedConstraints &&
+ navigator.mediaDevices.getSupportedConstraints().facingMode &&
+ !getSupportedFacingModeLies)) {
+ delete constraints.video.facingMode;
+ var matches;
+ if (face.exact === 'environment' || face.ideal === 'environment') {
+ matches = ['back', 'rear'];
+ } else if (face.exact === 'user' || face.ideal === 'user') {
+ matches = ['front'];
+ }
+ if (matches) {
+ // Look for matches in label, or use last cam for back (typical).
+ return navigator.mediaDevices.enumerateDevices()
+ .then(function(devices) {
+ devices = devices.filter(function(d) {
+ return d.kind === 'videoinput';
+ });
+ var dev = devices.find(function(d) {
+ return matches.some(function(match) {
+ return d.label.toLowerCase().indexOf(match) !== -1;
+ });
+ });
+ if (!dev && devices.length && matches.indexOf('back') !== -1) {
+ dev = devices[devices.length - 1]; // more likely the back cam
+ }
+ if (dev) {
+ constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
+ {ideal: dev.deviceId};
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ });
+ }
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ }
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ };
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ PermissionDeniedError: 'NotAllowedError',
+ InvalidStateError: 'NotReadableError',
+ DevicesNotFoundError: 'NotFoundError',
+ ConstraintNotSatisfiedError: 'OverconstrainedError',
+ TrackStartError: 'NotReadableError',
+ MediaDeviceFailedDueToShutdown: 'NotReadableError',
+ MediaDeviceKillSwitchOn: 'NotReadableError'
+ }[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraintName,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ shimConstraints_(constraints, function(c) {
+ navigator.webkitGetUserMedia(c, onSuccess, function(e) {
+ if (onError) {
+ onError(shimError_(e));
+ }
+ });
+ });
+ };
+
+ navigator.getUserMedia = getUserMedia_;
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ navigator.getUserMedia(constraints, resolve, reject);
+ });
+ };
+
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {
+ getUserMedia: getUserMediaPromise_,
+ enumerateDevices: function() {
+ return new Promise(function(resolve) {
+ var kinds = {audio: 'audioinput', video: 'videoinput'};
+ return window.MediaStreamTrack.getSources(function(devices) {
+ resolve(devices.map(function(device) {
+ return {label: device.label,
+ kind: kinds[device.kind],
+ deviceId: device.id,
+ groupId: ''};
+ }));
+ });
+ });
+ },
+ getSupportedConstraints: function() {
+ return {
+ deviceId: true, echoCancellation: true, facingMode: true,
+ frameRate: true, height: true, width: true
+ };
+ }
+ };
+ }
+
+ // A shim for getUserMedia method on the mediaDevices object.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (!navigator.mediaDevices.getUserMedia) {
+ navigator.mediaDevices.getUserMedia = function(constraints) {
+ return getUserMediaPromise_(constraints);
+ };
+ } else {
+ // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
+ // function which returns a Promise, it does not accept spec-style
+ // constraints.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(cs) {
+ return shimConstraints_(cs, function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('', 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ });
+ };
+ }
+
+ // Dummy devicechange event methods.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
+ navigator.mediaDevices.addEventListener = function() {
+ logging('Dummy mediaDevices.addEventListener called.');
+ };
+ }
+ if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
+ navigator.mediaDevices.removeEventListener = function() {
+ logging('Dummy mediaDevices.removeEventListener called.');
+ };
+ }
+};
+
+},{"../utils.js":13}],7:[function(require,module,exports){
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var SDPUtils = require('sdp');
+var utils = require('./utils');
+
+module.exports = {
+ shimRTCIceCandidate: function(window) {
+ // foundation is arbitrarily chosen as an indicator for full support for
+ // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
+ if (window.RTCIceCandidate && 'foundation' in
+ window.RTCIceCandidate.prototype) {
+ return;
+ }
+
+ var NativeRTCIceCandidate = window.RTCIceCandidate;
+ window.RTCIceCandidate = function(args) {
+ // Remove the a= which shouldn't be part of the candidate string.
+ if (typeof args === 'object' && args.candidate &&
+ args.candidate.indexOf('a=') === 0) {
+ args = JSON.parse(JSON.stringify(args));
+ args.candidate = args.candidate.substr(2);
+ }
+
+ // Augment the native candidate with the parsed fields.
+ var nativeCandidate = new NativeRTCIceCandidate(args);
+ var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
+ var augmentedCandidate = Object.assign(nativeCandidate,
+ parsedCandidate);
+
+ // Add a serializer that does not serialize the extra attributes.
+ augmentedCandidate.toJSON = function() {
+ return {
+ candidate: augmentedCandidate.candidate,
+ sdpMid: augmentedCandidate.sdpMid,
+ sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
+ usernameFragment: augmentedCandidate.usernameFragment,
+ };
+ };
+ return augmentedCandidate;
+ };
+
+ // Hook up the augmented candidate in onicecandidate and
+ // addEventListener('icecandidate', ...)
+ utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
+ if (e.candidate) {
+ Object.defineProperty(e, 'candidate', {
+ value: new window.RTCIceCandidate(e.candidate),
+ writable: 'false'
+ });
+ }
+ return e;
+ });
+ },
+
+ // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
+
+ shimCreateObjectURL: function(window) {
+ var URL = window && window.URL;
+
+ if (!(typeof window === 'object' && window.HTMLMediaElement &&
+ 'srcObject' in window.HTMLMediaElement.prototype &&
+ URL.createObjectURL && URL.revokeObjectURL)) {
+ // Only shim CreateObjectURL using srcObject if srcObject exists.
+ return undefined;
+ }
+
+ var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
+ var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
+ var streams = new Map(), newId = 0;
+
+ URL.createObjectURL = function(stream) {
+ if ('getTracks' in stream) {
+ var url = 'polyblob:' + (++newId);
+ streams.set(url, stream);
+ utils.deprecated('URL.createObjectURL(stream)',
+ 'elem.srcObject = stream');
+ return url;
+ }
+ return nativeCreateObjectURL(stream);
+ };
+ URL.revokeObjectURL = function(url) {
+ nativeRevokeObjectURL(url);
+ streams.delete(url);
+ };
+
+ var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
+ 'src');
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
+ get: function() {
+ return dsc.get.apply(this);
+ },
+ set: function(url) {
+ this.srcObject = streams.get(url) || null;
+ return dsc.set.apply(this, [url]);
+ }
+ });
+
+ var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
+ window.HTMLMediaElement.prototype.setAttribute = function() {
+ if (arguments.length === 2 &&
+ ('' + arguments[0]).toLowerCase() === 'src') {
+ this.srcObject = streams.get(arguments[1]) || null;
+ }
+ return nativeSetAttribute.apply(this, arguments);
+ };
+ },
+
+ shimMaxMessageSize: function(window) {
+ if (window.RTCSctpTransport || !window.RTCPeerConnection) {
+ return;
+ }
+ var browserDetails = utils.detectBrowser(window);
+
+ if (!('sctp' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
+ get: function() {
+ return typeof this._sctp === 'undefined' ? null : this._sctp;
+ }
+ });
+ }
+
+ var sctpInDescription = function(description) {
+ var sections = SDPUtils.splitSections(description.sdp);
+ sections.shift();
+ return sections.some(function(mediaSection) {
+ var mLine = SDPUtils.parseMLine(mediaSection);
+ return mLine && mLine.kind === 'application'
+ && mLine.protocol.indexOf('SCTP') !== -1;
+ });
+ };
+
+ var getRemoteFirefoxVersion = function(description) {
+ // TODO: Is there a better solution for detecting Firefox?
+ var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
+ if (match === null || match.length < 2) {
+ return -1;
+ }
+ var version = parseInt(match[1], 10);
+ // Test for NaN (yes, this is ugly)
+ return version !== version ? -1 : version;
+ };
+
+ var getCanSendMaxMessageSize = function(remoteIsFirefox) {
+ // Every implementation we know can send at least 64 KiB.
+ // Note: Although Chrome is technically able to send up to 256 KiB, the
+ // data does not reach the other peer reliably.
+ // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
+ var canSendMaxMessageSize = 65536;
+ if (browserDetails.browser === 'firefox') {
+ if (browserDetails.version < 57) {
+ if (remoteIsFirefox === -1) {
+ // FF < 57 will send in 16 KiB chunks using the deprecated PPID
+ // fragmentation.
+ canSendMaxMessageSize = 16384;
+ } else {
+ // However, other FF (and RAWRTC) can reassemble PPID-fragmented
+ // messages. Thus, supporting ~2 GiB when sending.
+ canSendMaxMessageSize = 2147483637;
+ }
+ } else {
+ // Currently, all FF >= 57 will reset the remote maximum message size
+ // to the default value when a data channel is created at a later
+ // stage. :(
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+ canSendMaxMessageSize =
+ browserDetails.version === 57 ? 65535 : 65536;
+ }
+ }
+ return canSendMaxMessageSize;
+ };
+
+ var getMaxMessageSize = function(description, remoteIsFirefox) {
+ // Note: 65536 bytes is the default value from the SDP spec. Also,
+ // every implementation we know supports receiving 65536 bytes.
+ var maxMessageSize = 65536;
+
+ // FF 57 has a slightly incorrect default remote max message size, so
+ // we need to adjust it here to avoid a failure when sending.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
+ if (browserDetails.browser === 'firefox'
+ && browserDetails.version === 57) {
+ maxMessageSize = 65535;
+ }
+
+ var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
+ if (match.length > 0) {
+ maxMessageSize = parseInt(match[0].substr(19), 10);
+ } else if (browserDetails.browser === 'firefox' &&
+ remoteIsFirefox !== -1) {
+ // If the maximum message size is not present in the remote SDP and
+ // both local and remote are Firefox, the remote peer can receive
+ // ~2 GiB.
+ maxMessageSize = 2147483637;
+ }
+ return maxMessageSize;
+ };
+
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ pc._sctp = null;
+
+ if (sctpInDescription(arguments[0])) {
+ // Check if the remote is FF.
+ var isFirefox = getRemoteFirefoxVersion(arguments[0]);
+
+ // Get the maximum message size the local peer is capable of sending
+ var canSendMMS = getCanSendMaxMessageSize(isFirefox);
+
+ // Get the maximum message size of the remote peer.
+ var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
+
+ // Determine final maximum message size
+ var maxMessageSize;
+ if (canSendMMS === 0 && remoteMMS === 0) {
+ maxMessageSize = Number.POSITIVE_INFINITY;
+ } else if (canSendMMS === 0 || remoteMMS === 0) {
+ maxMessageSize = Math.max(canSendMMS, remoteMMS);
+ } else {
+ maxMessageSize = Math.min(canSendMMS, remoteMMS);
+ }
+
+ // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
+ // attribute.
+ var sctp = {};
+ Object.defineProperty(sctp, 'maxMessageSize', {
+ get: function() {
+ return maxMessageSize;
+ }
+ });
+ pc._sctp = sctp;
+ }
+
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ },
+
+ shimSendThrowTypeError: function(window) {
+ // Note: Although Firefox >= 57 has a native implementation, the maximum
+ // message size can be reset for all data channels at a later stage.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+
+ var origCreateDataChannel =
+ window.RTCPeerConnection.prototype.createDataChannel;
+ window.RTCPeerConnection.prototype.createDataChannel = function() {
+ var pc = this;
+ var dataChannel = origCreateDataChannel.apply(pc, arguments);
+ var origDataChannelSend = dataChannel.send;
+
+ // Patch 'send' method
+ dataChannel.send = function() {
+ var dc = this;
+ var data = arguments[0];
+ var length = data.length || data.size || data.byteLength;
+ if (length > pc.sctp.maxMessageSize) {
+ throw new DOMException('Message too large (can send a maximum of ' +
+ pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
+ }
+ return origDataChannelSend.apply(dc, arguments);
+ };
+
+ return dataChannel;
+ };
+ }
+};
+
+},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var shimRTCPeerConnection = require('rtcpeerconnection-shim');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (window.RTCIceGatherer) {
+ // ORTC defines an RTCIceCandidate object but no constructor.
+ // Not implemented in Edge.
+ if (!window.RTCIceCandidate) {
+ window.RTCIceCandidate = function(args) {
+ return args;
+ };
+ }
+ // ORTC does not have a session description object but
+ // other browsers (i.e. Chrome) that will support both PC and ORTC
+ // in the future might have this defined already.
+ if (!window.RTCSessionDescription) {
+ window.RTCSessionDescription = function(args) {
+ return args;
+ };
+ }
+ // this adds an additional event listener to MediaStrackTrack that signals
+ // when a tracks enabled property was changed. Workaround for a bug in
+ // addStream, see below. No longer required in 15025+
+ if (browserDetails.version < 15025) {
+ var origMSTEnabled = Object.getOwnPropertyDescriptor(
+ window.MediaStreamTrack.prototype, 'enabled');
+ Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
+ set: function(value) {
+ origMSTEnabled.set.call(this, value);
+ var ev = new Event('enabled');
+ ev.enabled = value;
+ this.dispatchEvent(ev);
+ }
+ });
+ }
+ }
+
+ // ORTC defines the DTMF sender a bit different.
+ // https://github.com/w3c/ortc/issues/714
+ if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = new window.RTCDtmfSender(this);
+ } else if (this.track.kind === 'video') {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+
+ window.RTCPeerConnection =
+ shimRTCPeerConnection(window, browserDetails.version);
+ },
+ shimReplaceTrack: function(window) {
+ // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
+ if (window.RTCRtpSender &&
+ !('replaceTrack' in window.RTCRtpSender.prototype)) {
+ window.RTCRtpSender.prototype.replaceTrack =
+ window.RTCRtpSender.prototype.setTrack;
+ }
+ }
+};
+
+},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+// Expose public methods.
+module.exports = function(window) {
+ var navigator = window && window.navigator;
+
+ var shimError_ = function(e) {
+ return {
+ name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name;
+ }
+ };
+ };
+
+ // getUserMedia error shim.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).catch(function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+};
+
+},{}],10:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ this.removeEventListener('addstream', this._ontrackpoly);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ this.addEventListener('addstream', this._ontrackpoly = function(e) {
+ e.stream.getTracks().forEach(function(track) {
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = {track: track};
+ event.transceiver = {receiver: event.receiver};
+ event.streams = [e.stream];
+ this.dispatchEvent(event);
+ }.bind(this));
+ }.bind(this));
+ }
+ });
+ }
+ if (typeof window === 'object' && window.RTCTrackEvent &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ !('transceiver' in window.RTCTrackEvent.prototype)) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this.mozSrcObject;
+ },
+ set: function(stream) {
+ this.mozSrcObject = stream;
+ }
+ });
+ }
+ }
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (typeof window !== 'object' || !(window.RTCPeerConnection ||
+ window.mozRTCPeerConnection)) {
+ return; // probably media.peerconnection.enabled=false in about:config
+ }
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (browserDetails.version < 38) {
+ // .urls is not supported in FF < 38.
+ // create RTCIceServers with a single url.
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (server.hasOwnProperty('urls')) {
+ for (var j = 0; j < server.urls.length; j++) {
+ var newServer = {
+ url: server.urls[j]
+ };
+ if (server.urls[j].indexOf('turn') === 0) {
+ newServer.username = server.username;
+ newServer.credential = server.credential;
+ }
+ newIceServers.push(newServer);
+ }
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ }
+ return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.mozRTCPeerConnection.prototype;
+
+ // wrap static methods. Currently just generateCertificate.
+ if (window.mozRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.mozRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ window.RTCSessionDescription = window.mozRTCSessionDescription;
+ window.RTCIceCandidate = window.mozRTCIceCandidate;
+ }
+
+ // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ var map = new Map();
+ Object.keys(stats).forEach(function(key) {
+ map.set(key, stats[key]);
+ map[key] = stats[key];
+ });
+ return map;
+ };
+
+ var modernStatsTypes = {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ };
+
+ var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(
+ selector,
+ onSucc,
+ onErr
+ ) {
+ return nativeGetStats.apply(this, [selector || null])
+ .then(function(stats) {
+ if (browserDetails.version < 48) {
+ stats = makeMapStats(stats);
+ }
+ if (browserDetails.version < 53 && !onSucc) {
+ // Shim only promise getStats with spec-hyphens in type names
+ // Leave callback version alone; misc old uses of forEach before Map
+ try {
+ stats.forEach(function(stat) {
+ stat.type = modernStatsTypes[stat.type] || stat.type;
+ });
+ } catch (e) {
+ if (e.name !== 'TypeError') {
+ throw e;
+ }
+ // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
+ stats.forEach(function(stat, i) {
+ stats.set(i, Object.assign({}, stat, {
+ type: modernStatsTypes[stat.type] || stat.type
+ }));
+ });
+ }
+ }
+ return stats;
+ })
+ .then(onSucc, onErr);
+ };
+ },
+
+ shimRemoveStream: function(window) {
+ if (!window.RTCPeerConnection ||
+ 'removeStream' in window.RTCPeerConnection.prototype) {
+ return;
+ }
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ utils.deprecated('removeStream', 'removeTrack');
+ this.getSenders().forEach(function(sender) {
+ if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+};
+
+},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+ var MediaStreamTrack = window && window.MediaStreamTrack;
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ InternalError: 'NotReadableError',
+ NotSupportedError: 'TypeError',
+ PermissionDeniedError: 'NotAllowedError',
+ SecurityError: 'NotAllowedError'
+ }[e.name] || e.name,
+ message: {
+ 'The operation is insecure.': 'The request is not allowed by the ' +
+ 'user agent or the platform in the current context.'
+ }[e.message] || e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ // getUserMedia constraints shim.
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ var constraintsToFF37_ = function(c) {
+ if (typeof c !== 'object' || c.require) {
+ return c;
+ }
+ var require = [];
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = c[key] = (typeof c[key] === 'object') ?
+ c[key] : {ideal: c[key]};
+ if (r.min !== undefined ||
+ r.max !== undefined || r.exact !== undefined) {
+ require.push(key);
+ }
+ if (r.exact !== undefined) {
+ if (typeof r.exact === 'number') {
+ r. min = r.max = r.exact;
+ } else {
+ c[key] = r.exact;
+ }
+ delete r.exact;
+ }
+ if (r.ideal !== undefined) {
+ c.advanced = c.advanced || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[key] = {min: r.ideal, max: r.ideal};
+ } else {
+ oc[key] = r.ideal;
+ }
+ c.advanced.push(oc);
+ delete r.ideal;
+ if (!Object.keys(r).length) {
+ delete c[key];
+ }
+ }
+ });
+ if (require.length) {
+ c.require = require;
+ }
+ return c;
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (browserDetails.version < 38) {
+ logging('spec: ' + JSON.stringify(constraints));
+ if (constraints.audio) {
+ constraints.audio = constraintsToFF37_(constraints.audio);
+ }
+ if (constraints.video) {
+ constraints.video = constraintsToFF37_(constraints.video);
+ }
+ logging('ff37: ' + JSON.stringify(constraints));
+ }
+ return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
+ onError(shimError_(e));
+ });
+ };
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ getUserMedia_(constraints, resolve, reject);
+ });
+ };
+
+ // Shim for mediaDevices on older versions.
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
+ addEventListener: function() { },
+ removeEventListener: function() { }
+ };
+ }
+ navigator.mediaDevices.enumerateDevices =
+ navigator.mediaDevices.enumerateDevices || function() {
+ return new Promise(function(resolve) {
+ var infos = [
+ {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
+ {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
+ ];
+ resolve(infos);
+ });
+ };
+
+ if (browserDetails.version < 41) {
+ // Work around http://bugzil.la/1169665
+ var orgEnumerateDevices =
+ navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
+ navigator.mediaDevices.enumerateDevices = function() {
+ return orgEnumerateDevices().then(undefined, function(e) {
+ if (e.name === 'NotFoundError') {
+ return [];
+ }
+ throw e;
+ });
+ };
+ }
+ if (browserDetails.version < 49) {
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ // Work around https://bugzil.la/802326
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('The object can not be found here.',
+ 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+ }
+ if (!(browserDetails.version > 55 &&
+ 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+
+ var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ if (typeof c === 'object' && typeof c.audio === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
+ remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeGetUserMedia(c);
+ };
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
+ var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
+ MediaStreamTrack.prototype.getSettings = function() {
+ var obj = nativeGetSettings.apply(this, arguments);
+ remap(obj, 'mozAutoGainControl', 'autoGainControl');
+ remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
+ return obj;
+ };
+ }
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
+ var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
+ MediaStreamTrack.prototype.applyConstraints = function(c) {
+ if (this.kind === 'audio' && typeof c === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c, 'autoGainControl', 'mozAutoGainControl');
+ remap(c, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeApplyConstraints.apply(this, [c]);
+ };
+ }
+ }
+ navigator.getUserMedia = function(constraints, onSuccess, onError) {
+ if (browserDetails.version < 44) {
+ return getUserMedia_(constraints, onSuccess, onError);
+ }
+ // Replace Firefox 44+'s deprecation warning with unprefixed version.
+ utils.deprecated('navigator.getUserMedia',
+ 'navigator.mediaDevices.getUserMedia');
+ navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
+ };
+};
+
+},{"../utils":13}],12:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+'use strict';
+var utils = require('../utils');
+
+module.exports = {
+ shimLocalStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ return this._localStreams;
+ };
+ }
+ if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getStreamById = function(id) {
+ var result = null;
+ if (this._localStreams) {
+ this._localStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ if (this._remoteStreams) {
+ this._remoteStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ return result;
+ };
+ }
+ if (!('addStream' in window.RTCPeerConnection.prototype)) {
+ var _addTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ _addTrack.call(pc, track, stream);
+ });
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (stream) {
+ if (!this._localStreams) {
+ this._localStreams = [stream];
+ } else if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ }
+ return _addTrack.call(this, track, stream);
+ };
+ }
+ if (!('removeStream' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ var index = this._localStreams.indexOf(stream);
+ if (index === -1) {
+ return;
+ }
+ this._localStreams.splice(index, 1);
+ var pc = this;
+ var tracks = stream.getTracks();
+ this.getSenders().forEach(function(sender) {
+ if (tracks.indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+ },
+ shimRemoteStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this._remoteStreams ? this._remoteStreams : [];
+ };
+ }
+ if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
+ get: function() {
+ return this._onaddstream;
+ },
+ set: function(f) {
+ var pc = this;
+ if (this._onaddstream) {
+ this.removeEventListener('addstream', this._onaddstream);
+ this.removeEventListener('track', this._onaddstreampoly);
+ }
+ this.addEventListener('addstream', this._onaddstream = f);
+ this.addEventListener('track', this._onaddstreampoly = function(e) {
+ e.streams.forEach(function(stream) {
+ if (!pc._remoteStreams) {
+ pc._remoteStreams = [];
+ }
+ if (pc._remoteStreams.indexOf(stream) >= 0) {
+ return;
+ }
+ pc._remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ pc.dispatchEvent(event);
+ });
+ });
+ }
+ });
+ }
+ },
+ shimCallbacksAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ var prototype = window.RTCPeerConnection.prototype;
+ var createOffer = prototype.createOffer;
+ var createAnswer = prototype.createAnswer;
+ var setLocalDescription = prototype.setLocalDescription;
+ var setRemoteDescription = prototype.setRemoteDescription;
+ var addIceCandidate = prototype.addIceCandidate;
+
+ prototype.createOffer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createOffer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ prototype.createAnswer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createAnswer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ var withCallback = function(description, successCallback, failureCallback) {
+ var promise = setLocalDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setLocalDescription = withCallback;
+
+ withCallback = function(description, successCallback, failureCallback) {
+ var promise = setRemoteDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setRemoteDescription = withCallback;
+
+ withCallback = function(candidate, successCallback, failureCallback) {
+ var promise = addIceCandidate.apply(this, [candidate]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.addIceCandidate = withCallback;
+ },
+ shimGetUserMedia: function(window) {
+ var navigator = window && window.navigator;
+
+ if (!navigator.getUserMedia) {
+ if (navigator.webkitGetUserMedia) {
+ navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
+ } else if (navigator.mediaDevices &&
+ navigator.mediaDevices.getUserMedia) {
+ navigator.getUserMedia = function(constraints, cb, errcb) {
+ navigator.mediaDevices.getUserMedia(constraints)
+ .then(cb, errcb);
+ }.bind(navigator);
+ }
+ }
+ },
+ shimRTCIceServerUrls: function(window) {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ delete server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if ('generateCertificate' in window.RTCPeerConnection) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+ },
+ shimTrackEventTransceiver: function(window) {
+ // Add event.transceiver member over deprecated event.receiver
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
+ // defined for some reason even when window.RTCTransceiver is not.
+ !window.RTCTransceiver) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimCreateOfferLegacy: function(window) {
+ var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
+ window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
+ var pc = this;
+ if (offerOptions) {
+ var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'audio';
+ });
+ if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
+ if (audioTransceiver.direction === 'sendrecv') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('sendonly');
+ } else {
+ audioTransceiver.direction = 'sendonly';
+ }
+ } else if (audioTransceiver.direction === 'recvonly') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('inactive');
+ } else {
+ audioTransceiver.direction = 'inactive';
+ }
+ }
+ } else if (offerOptions.offerToReceiveAudio === true &&
+ !audioTransceiver) {
+ pc.addTransceiver('audio');
+ }
+
+ var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'video';
+ });
+ if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
+ if (videoTransceiver.direction === 'sendrecv') {
+ videoTransceiver.setDirection('sendonly');
+ } else if (videoTransceiver.direction === 'recvonly') {
+ videoTransceiver.setDirection('inactive');
+ }
+ } else if (offerOptions.offerToReceiveVideo === true &&
+ !videoTransceiver) {
+ pc.addTransceiver('video');
+ }
+ }
+ return origCreateOffer.apply(pc, arguments);
+ };
+ }
+};
+
+},{"../utils":13}],13:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var logDisabled_ = true;
+var deprecationWarnings_ = true;
+
+/**
+ * Extract browser version out of the provided user agent string.
+ *
+ * @param {!string} uastring userAgent string.
+ * @param {!string} expr Regular expression used as match criteria.
+ * @param {!number} pos position in the version string to be returned.
+ * @return {!number} browser version.
+ */
+function extractVersion(uastring, expr, pos) {
+ var match = uastring.match(expr);
+ return match && match.length >= pos && parseInt(match[pos], 10);
+}
+
+// Wraps the peerconnection event eventNameToWrap in a function
+// which returns the modified event object.
+function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
+ if (!window.RTCPeerConnection) {
+ return;
+ }
+ var proto = window.RTCPeerConnection.prototype;
+ var nativeAddEventListener = proto.addEventListener;
+ proto.addEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap) {
+ return nativeAddEventListener.apply(this, arguments);
+ }
+ var wrappedCallback = function(e) {
+ cb(wrapper(e));
+ };
+ this._eventMap = this._eventMap || {};
+ this._eventMap[cb] = wrappedCallback;
+ return nativeAddEventListener.apply(this, [nativeEventName,
+ wrappedCallback]);
+ };
+
+ var nativeRemoveEventListener = proto.removeEventListener;
+ proto.removeEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap || !this._eventMap
+ || !this._eventMap[cb]) {
+ return nativeRemoveEventListener.apply(this, arguments);
+ }
+ var unwrappedCb = this._eventMap[cb];
+ delete this._eventMap[cb];
+ return nativeRemoveEventListener.apply(this, [nativeEventName,
+ unwrappedCb]);
+ };
+
+ Object.defineProperty(proto, 'on' + eventNameToWrap, {
+ get: function() {
+ return this['_on' + eventNameToWrap];
+ },
+ set: function(cb) {
+ if (this['_on' + eventNameToWrap]) {
+ this.removeEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap]);
+ delete this['_on' + eventNameToWrap];
+ }
+ if (cb) {
+ this.addEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap] = cb);
+ }
+ }
+ });
+}
+
+// Utility methods.
+module.exports = {
+ extractVersion: extractVersion,
+ wrapPeerConnectionEvent: wrapPeerConnectionEvent,
+ disableLog: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ logDisabled_ = bool;
+ return (bool) ? 'adapter.js logging disabled' :
+ 'adapter.js logging enabled';
+ },
+
+ /**
+ * Disable or enable deprecation warnings
+ * @param {!boolean} bool set to true to disable warnings.
+ */
+ disableWarnings: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ deprecationWarnings_ = !bool;
+ return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
+ },
+
+ log: function() {
+ if (typeof window === 'object') {
+ if (logDisabled_) {
+ return;
+ }
+ if (typeof console !== 'undefined' && typeof console.log === 'function') {
+ console.log.apply(console, arguments);
+ }
+ }
+ },
+
+ /**
+ * Shows a deprecation warning suggesting the modern and spec-compatible API.
+ */
+ deprecated: function(oldMethod, newMethod) {
+ if (!deprecationWarnings_) {
+ return;
+ }
+ console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
+ ' instead.');
+ },
+
+ /**
+ * Browser detector.
+ *
+ * @return {object} result containing browser and version
+ * properties.
+ */
+ detectBrowser: function(window) {
+ var navigator = window && window.navigator;
+
+ // Returned result object.
+ var result = {};
+ result.browser = null;
+ result.version = null;
+
+ // Fail early if it's not a browser
+ if (typeof window === 'undefined' || !window.navigator) {
+ result.browser = 'Not a browser.';
+ return result;
+ }
+
+ if (navigator.mozGetUserMedia) { // Firefox.
+ result.browser = 'firefox';
+ result.version = extractVersion(navigator.userAgent,
+ /Firefox\/(\d+)\./, 1);
+ } else if (navigator.webkitGetUserMedia) {
+ // Chrome, Chromium, Webview, Opera.
+ // Version matches Chrome/WebRTC version.
+ result.browser = 'chrome';
+ result.version = extractVersion(navigator.userAgent,
+ /Chrom(e|ium)\/(\d+)\./, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
+ result.browser = 'edge';
+ result.version = extractVersion(navigator.userAgent,
+ /Edge\/(\d+).(\d+)$/, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
+ result.browser = 'safari';
+ result.version = extractVersion(navigator.userAgent,
+ /AppleWebKit\/(\d+)\./, 1);
+ } else { // Default fallthrough: not supported.
+ result.browser = 'Not a supported browser.';
+ return result;
+ }
+
+ return result;
+ }
+};
+
+},{}]},{},[3])(3)
+});
\ No newline at end of file
diff --git a/html5/verto/video_demo/js/verto-min.js b/html5/verto/video_demo/js/verto-min.js
index 78f8bc450e..2ac8e89e7e 100644
--- a/html5/verto/video_demo/js/verto-min.js
+++ b/html5/verto/video_demo/js/verto-min.js
@@ -1,630 +1,9508 @@
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.FSRTC.js - WebRTC Glue code
+ *
+ */
-(function($){function findLine(sdpLines,prefix,substr){return findLineInRange(sdpLines,0,-1,prefix,substr);}
-function findLineInRange(sdpLines,startLine,endLine,prefix,substr){var realEndLine=(endLine!=-1)?endLine:sdpLines.length;for(var i=startLine;i=0;if(iOS){self.options.useVideo.setAttribute("playsinline",true);self.options.useVideo.setAttribute("controls",true);}}
-var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.remoteStream=stream;}
-function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
-$.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP({type:"answer",sdp:sdp},onSuccess,onError);};$.FSRTC.prototype.stopPeer=function(){if(self.peer){console.log("stopping peer");self.peer.stop();}}
-$.FSRTC.prototype.stop=function(){var self=this;if(self.options.useVideo){self.options.useVideo.style.display='none';self.options.useVideo['src']='';}
-if(self.localStream){if(typeof self.localStream.stop=='function'){self.localStream.stop();}else{if(self.localStream.active){var tracks=self.localStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}
-self.localStream=null;}
-if(self.options.localVideo){self.options.localVideo.style.display='none';self.options.localVideo['src']='';}
-if(self.options.localVideoStream){if(typeof self.options.localVideoStream.stop=='function'){self.options.localVideoStream.stop();}else{if(self.options.localVideoStream.active){var tracks=self.options.localVideoStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}}
-if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.getMute=function(){var self=this;return self.audioEnabled;}
-$.FSRTC.prototype.setMute=function(what){var self=this;var audioTracks=self.localStream.getAudioTracks();for(var i=0,len=audioTracks.length;i=w&&$.FSRTC.validRes[i][1]>=h){w=$.FSRTC.validRes[i][0];h=$.FSRTC.validRes[i][1];}}
-return[w,h];}
-var resList=[[160,120],[320,180],[320,240],[640,360],[640,480],[1280,720],[1920,1080]];var resI=0;var ttl=0;var checkRes=function(cam,func){if(resI>=resList.length){var res={'validRes':$.FSRTC.validRes,'bestResSupported':$.FSRTC.bestResSupported()};localStorage.setItem("res_"+cam,$.toJSON(res));if(func)return func(res);return;}
-var video={}
-if(cam){video.deviceId={exact:cam};}
-w=resList[resI][0];h=resList[resI][1];resI++;video={width:{exact:w},height:{exact:h}};getUserMedia({constraints:{audio:ttl++==0,video:video},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info(w+"x"+h+" supported.");$.FSRTC.validRes.push([w,h]);checkRes(cam,func);},onerror:function(e){console.warn(w+"x"+h+" not supported.");checkRes(cam,func);}});}
-$.FSRTC.getValidRes=function(cam,func){var used=[];var cached=localStorage.getItem("res_"+cam);if(cached){var cache=$.parseJSON(cached);if(cache){$.FSRTC.validRes=cache.validRes;console.log("CACHED RES FOR CAM "+cam,cache);}else{console.error("INVALID CACHE");}
-return func?func(cache):null;}
-$.FSRTC.validRes=[];resI=0;checkRes(cam,func);}
-$.FSRTC.checkPerms=function(runtime,check_audio,check_video){getUserMedia({constraints:{audio:check_audio,video:check_video,},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info("media perm init complete");if(runtime){setTimeout(runtime,100,true);}},onerror:function(e){if(check_video&&check_audio){console.error("error, retesting with audio params only");return $.FSRTC.checkPerms(runtime,check_audio,false);}
-console.error("media perm init error");if(runtime){runtime(false)}}});}})(jQuery);(function($){$.JsonRpcClient=function(options){var self=this;this.options=$.extend({ajaxUrl:null,socketUrl:null,onmessage:null,login:null,passwd:null,sessid:null,loginParams:null,userVariables:null,getSocket:function(onmessage_cb){return self._getSocket(onmessage_cb);}},options);self.ws_cnt=0;this.wsOnMessage=function(event){self._wsOnMessage(event);};};$.JsonRpcClient.prototype._ws_socket=null;$.JsonRpcClient.prototype._ws_callbacks={};$.JsonRpcClient.prototype._current_id=1;$.JsonRpcClient.prototype.speedTest=function(bytes,cb){var socket=this.options.getSocket(this.wsOnMessage);if(socket!==null){this.speedCB=cb;this.speedBytes=bytes;socket.send("#SPU "+bytes);var loops=bytes/1024;var rem=bytes%1024;var i;var data=new Array(1024).join(".");for(i=0;i1){return false;}
-return true;};$.JsonRpcClient.prototype.closeSocket=function(){var self=this;if(self.socketReady()){self._ws_socket.onclose=function(w){console.log("Closing Socket");};self._ws_socket.close();}};$.JsonRpcClient.prototype.loginData=function(params){var self=this;self.options.login=params.login;self.options.passwd=params.passwd;self.options.loginParams=params.loginParams;self.options.userVariables=params.userVariables;};$.JsonRpcClient.prototype.connectSocket=function(onmessage_cb){var self=this;if(self.to){clearTimeout(self.to);}
-if(!self.socketReady()){self.authing=false;if(self._ws_socket){delete self._ws_socket;}
-self._ws_socket=new WebSocket(self.options.socketUrl);if(self._ws_socket){self._ws_socket.onmessage=onmessage_cb;self._ws_socket.onclose=function(w){if(!self.ws_sleep){self.ws_sleep=1000;}
-if(self.options.onWSClose){self.options.onWSClose(self);}
-console.error("Websocket Lost "+self.ws_cnt+" sleep: "+self.ws_sleep+"msec");self.to=setTimeout(function(){console.log("Attempting Reconnection....");self.connectSocket(onmessage_cb);},self.ws_sleep);self.ws_cnt++;if(self.ws_sleep<3000&&(self.ws_cnt%10)===0){self.ws_sleep+=1000;}};self._ws_socket.onopen=function(){if(self.to){clearTimeout(self.to);}
-self.ws_sleep=1000;self.ws_cnt=0;if(self.options.onWSConnect){self.options.onWSConnect(self);}
-var req;while((req=$.JsonRpcClient.q.pop())){self._ws_socket.send(req);}};}}
-return self._ws_socket?true:false;};$.JsonRpcClient.prototype.stopRetrying=function(){if(self.to)
-clearTimeout(self.to);}
-$.JsonRpcClient.prototype._getSocket=function(onmessage_cb){if(this.options.socketUrl===null||!("WebSocket"in window))return null;this.connectSocket(onmessage_cb);return this._ws_socket;};$.JsonRpcClient.q=[];$.JsonRpcClient.prototype._wsCall=function(socket,request,success_cb,error_cb){var request_json=$.toJSON(request);if(socket.readyState<1){self=this;$.JsonRpcClient.q.push(request_json);}else{socket.send(request_json);}
-if('id'in request&&typeof success_cb!=='undefined'){this._ws_callbacks[request.id]={request:request_json,request_obj:request,success_cb:success_cb,error_cb:error_cb};}};$.JsonRpcClient.prototype._wsOnMessage=function(event){var response;if(event.data[0]=="#"&&event.data[1]=="S"&&event.data[2]=="P"){if(event.data[3]=="U"){this.up_dur=parseInt(event.data.substring(4));}else if(this.speedCB&&event.data[3]=="D"){this.down_dur=parseInt(event.data.substring(4));var up_kps=(((this.speedBytes*8)/(this.up_dur/1000))/1024).toFixed(0);var down_kps=(((this.speedBytes*8)/(this.down_dur/1000))/1024).toFixed(0);console.info("Speed Test: Up: "+up_kps+" Down: "+down_kps);this.speedCB(event,{upDur:this.up_dur,downDur:this.down_dur,upKPS:up_kps,downKPS:down_kps});this.speedCB=null;}
-return;}
-try{response=$.parseJSON(event.data);if(typeof response==='object'&&'jsonrpc'in response&&response.jsonrpc==='2.0'){if('result'in response&&this._ws_callbacks[response.id]){var success_cb=this._ws_callbacks[response.id].success_cb;delete this._ws_callbacks[response.id];success_cb(response.result,this);return;}else if('error'in response&&this._ws_callbacks[response.id]){var error_cb=this._ws_callbacks[response.id].error_cb;var orig_req=this._ws_callbacks[response.id].request;if(!self.authing&&response.error.code==-32000&&self.options.login&&self.options.passwd){self.authing=true;this.call("login",{login:self.options.login,passwd:self.options.passwd,loginParams:self.options.loginParams,userVariables:self.options.userVariables},this._ws_callbacks[response.id].request_obj.method=="login"?function(e){self.authing=false;console.log("logged in");delete self._ws_callbacks[response.id];if(self.options.onWSLogin){self.options.onWSLogin(true,self);}}:function(e){self.authing=false;console.log("logged in, resending request id: "+response.id);var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send(orig_req);}
-if(self.options.onWSLogin){self.options.onWSLogin(true,self);}},function(e){console.log("error logging in, request id:",response.id);delete self._ws_callbacks[response.id];error_cb(response.error,this);if(self.options.onWSLogin){self.options.onWSLogin(false,self);}});return;}
-delete this._ws_callbacks[response.id];error_cb(response.error,this);return;}}}catch(err){console.log("ERROR: "+err);return;}
-if(typeof this.options.onmessage==='function'){event.eventData=response;if(!event.eventData){event.eventData={};}
-var reply=this.options.onmessage(event);if(reply&&typeof reply==="object"&&event.eventData.id){var msg={jsonrpc:"2.0",id:event.eventData.id,result:reply};var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send($.toJSON(msg));}}}};$.JsonRpcClient._batchObject=function(jsonrpcclient,all_done_cb,error_cb){this._requests=[];this.jsonrpcclient=jsonrpcclient;this.all_done_cb=all_done_cb;this.error_cb=typeof error_cb==='function'?error_cb:function(){};};$.JsonRpcClient._batchObject.prototype.call=function(method,params,success_cb,error_cb){if(!params){params={};}
-if(this.options.sessid){params.sessid=this.options.sessid;}
-if(!success_cb){success_cb=function(e){console.log("Success: ",e);};}
-if(!error_cb){error_cb=function(e){console.log("Error: ",e);};}
-this._requests.push({request:{jsonrpc:'2.0',method:method,params:params,id:this.jsonrpcclient._current_id++},success_cb:success_cb,error_cb:error_cb});};$.JsonRpcClient._batchObject.prototype.notify=function(method,params){if(this.options.sessid){params.sessid=this.options.sessid;}
-this._requests.push({request:{jsonrpc:'2.0',method:method,params:params}});};$.JsonRpcClient._batchObject.prototype._execute=function(){var self=this;if(this._requests.length===0)return;var batch_request=[];var handlers={};var i=0;var call;var success_cb;var error_cb;var socket=self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);if(socket!==null){for(i=0;i0){data.params.useVideo=true;}
-if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
-dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);dialog.setState($.verto.enum.state.recovering);break;case'verto.invite':if(data.params.sdp&&data.params.sdp.indexOf("m=video")>0){data.params.wantVideo=true;}
-if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
-dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);break;default:console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");break;}}
-return{method:data.method};}else{switch(data.method){case'verto.punt':verto.purge();verto.logout();break;case'verto.event':var list=null;var key=null;if(data.params){key=data.params.eventChannel;}
-if(key){list=verto.eventSUBS[key];if(!list){list=verto.eventSUBS[key.split(".")[0]];}}
-if(!list&&key&&key===verto.sessid){if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.pvtEvent,data.params);}}else if(!list&&key&&verto.dialogs[key]){verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent,data.params);}else if(!list){if(!key){key="UNDEFINED";}
-console.error("UNSUBBED or invalid EVENT "+key+" IGNORED");}else{for(var i in list){var sub=list[i];if(!sub||!sub.ready){console.error("invalid EVENT for "+key+" IGNORED");}else if(sub.handler){sub.handler(verto,data.params,sub.userData);}else if(verto.callbacks.onEvent){verto.callbacks.onEvent(verto,data.params,sub.userData);}else{console.log("EVENT:",data.params);}}}
-break;case"verto.info":if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.info,data.params.msg);}
-console.debug("MESSAGE from: "+data.params.msg.from,data.params.msg.body);break;case'verto.clientReady':verto.callbacks.onMessage(verto,null,$.verto.enum.message.clientReady,data.params);console.debug("CLIENT READY",data.params);break;default:console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED",data.method);break;}}};var del_array=function(array,name){var r=[];var len=array.length;for(var i=0;i=array.length){array.push(name);}else{var x=0;var n=[];var len=array.length;for(var i=0;i":"\n");});return str;};};$.verto.liveArray=function(verto,context,name,config){var la=this;var lastSerno=0;var binding=null;var user_obj=config.userObj;var local=false;hashArray.call(la);la._add=la.add;la._del=la.del;la._reorder=la.reorder;la._clear=la.clear;la.context=context;la.name=name;la.user_obj=user_obj;la.verto=verto;la.broadcast=function(channel,obj){verto.broadcast(channel,obj);};la.errs=0;la.clear=function(){la._clear();lastSerno=0;if(la.onChange){la.onChange(la,{action:"clear"});}};la.checkSerno=function(serno){if(serno<0){return true;}
-if(lastSerno>0&&serno!=(lastSerno+1)){if(la.onErr){la.onErr(la,{lastSerno:lastSerno,serno:serno});}
-la.errs++;console.debug(la.errs);if(la.errs<3){la.bootstrap(la.user_obj);}
-return false;}else{lastSerno=serno;return true;}};la.reorder=function(serno,a){if(la.checkSerno(serno)){la._reorder(a);if(la.onChange){la.onChange(la,{serno:serno,action:"reorder"});}}};la.init=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){if(la.onChange){la.onChange(la,{serno:serno,action:"init",index:index,key:key,data:val});}}};la.bootObj=function(serno,val){if(la.checkSerno(serno)){for(var i in val){la._add(val[i][0],val[i][1]);}
-if(la.onChange){la.onChange(la,{serno:serno,action:"bootObj",data:val,redraw:true});}}};la.add=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){var redraw=la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"add",index:index,key:key,data:val,redraw:redraw});}}};la.modify=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"modify",key:key,data:val,index:index});}}};la.del=function(serno,key,index){if(key===null||key===undefined){key=serno;}
-if(la.checkSerno(serno)){if(index===null||index<0||index===undefined){index=la.indexOf(key);}
-var ok=la._del(key);if(ok&&la.onChange){la.onChange(la,{serno:serno,action:"del",key:key,index:index});}}};var eventHandler=function(v,e,la){var packet=e.data;if(packet.name!=la.name){return;}
-switch(packet.action){case"init":la.init(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"bootObj":la.bootObj(packet.wireSerno,packet.data);break;case"add":la.add(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"modify":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.modify(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);}
-break;case"del":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.del(packet.wireSerno,packet.hashKey,packet.arrIndex);}
-break;case"clear":la.clear();break;case"reorder":la.reorder(packet.wireSerno,packet.order);break;default:if(la.checkSerno(packet.wireSerno)){if(la.onChange){la.onChange(la,{serno:packet.wireSerno,action:packet.action,data:packet.data});}}
-break;}};if(la.context){binding=la.verto.subscribe(la.context,{handler:eventHandler,userData:la,subParams:config.subParams});}
-la.destroy=function(){la._clear();la.verto.unsubscribe(binding);};la.sendCommand=function(cmd,obj){var self=la;self.broadcast(self.context,{liveArray:{command:cmd,context:self.context,name:self.name,obj:obj}});};la.bootstrap=function(obj){var self=la;la.sendCommand("bootstrap",obj);};la.changepage=function(obj){var self=la;self.clear();self.broadcast(self.context,{liveArray:{command:"changepage",context:la.context,name:la.name,obj:obj}});};la.heartbeat=function(obj){var self=la;var callback=function(){self.heartbeat.call(self,obj);};self.broadcast(self.context,{liveArray:{command:"heartbeat",context:self.context,name:self.name,obj:obj}});self.hb_pid=setTimeout(callback,30000);};la.bootstrap(la.user_obj);};$.verto.liveTable=function(verto,context,name,jq,config){var dt;var la=new $.verto.liveArray(verto,context,name,{subParams:config.subParams});var lt=this;lt.liveArray=la;lt.dataTable=dt;lt.verto=verto;lt.destroy=function(){if(dt){dt.fnDestroy();}
-if(la){la.destroy();}
-dt=null;la=null;};la.onErr=function(obj,args){console.error("Error: ",obj,args);};function genRow(data){if(typeof(data[4])==="string"&&data[4].indexOf("{")>-1){var tmp=$.parseJSON(data[4]);data[4]=tmp.oldStatus;data[5]=null;}
-return data;}
-function genArray(obj){var data=obj.asArray();for(var i in data){data[i]=genRow(data[i]);}
-return data;}
-la.onChange=function(obj,args){var index=0;var iserr=0;if(!dt){if(!config.aoColumns){if(args.action!="init"){return;}
-config.aoColumns=[];for(var i in args.data){config.aoColumns.push({"sTitle":args.data[i]});}}
-dt=jq.dataTable(config);}
-if(dt&&(args.action=="del"||args.action=="modify")){index=args.index;if(index===undefined&&args.key){index=la.indexOf(args.key);}
-if(index===undefined){console.error("INVALID PACKET Missing INDEX\n",args);return;}}
-if(config.onChange){config.onChange(obj,args);}
-try{switch(args.action){case"bootObj":if(!args.data){console.error("missing data");return;}
-dt.fnClearTable();dt.fnAddData(genArray(obj));dt.fnAdjustColumnSizing();break;case"add":if(!args.data){console.error("missing data");return;}
-if(args.redraw>-1){dt.fnClearTable();dt.fnAddData(genArray(obj));}else{dt.fnAddData(genRow(args.data));}
-dt.fnAdjustColumnSizing();break;case"modify":if(!args.data){return;}
-dt.fnUpdate(genRow(args.data),index);dt.fnAdjustColumnSizing();break;case"del":dt.fnDeleteRow(index);dt.fnAdjustColumnSizing();break;case"clear":dt.fnClearTable();break;case"reorder":dt.fnClearTable();dt.fnAddData(genArray(obj));break;case"hide":jq.hide();break;case"show":jq.show();break;}}catch(err){console.error("ERROR: "+err);iserr++;}
-if(iserr){obj.errs++;if(obj.errs<3){obj.bootstrap(obj.user_obj);}}else{obj.errs=0;}};la.onChange(la,{action:"init"});};var CONFMAN_SERNO=1;$.verto.conf=function(verto,params){var conf=this;conf.params=$.extend({dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);conf.verto=verto;conf.serno=CONFMAN_SERNO++;createMainModeratorMethods();verto.subscribe(conf.params.laData.modChannel,{handler:function(v,e){if(conf.params.onBroadcast){conf.params.onBroadcast(verto,conf,e.data);}}});verto.subscribe(conf.params.laData.infoChannel,{handler:function(v,e){if(typeof(conf.params.infoCallback)==="function"){conf.params.infoCallback(v,e);}}});verto.subscribe(conf.params.laData.chatChannel,{handler:function(v,e){if(typeof(conf.params.chatCallback)==="function"){conf.params.chatCallback(v,e);}}});};$.verto.conf.prototype.modCommand=function(cmd,id,value){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.modChannel,"data":{"application":"conf-control","command":cmd,"id":id,"value":value}});};$.verto.conf.prototype.destroy=function(){var conf=this;conf.destroyed=true;conf.params.onBroadcast(conf.verto,conf,'destroy');if(conf.params.laData.modChannel){conf.verto.unsubscribe(conf.params.laData.modChannel);}
-if(conf.params.laData.chatChannel){conf.verto.unsubscribe(conf.params.laData.chatChannel);}
-if(conf.params.laData.infoChannel){conf.verto.unsubscribe(conf.params.laData.infoChannel);}};function createMainModeratorMethods(){$.verto.conf.prototype.listVideoLayouts=function(){this.modCommand("list-videoLayouts",null,null);};$.verto.conf.prototype.play=function(file){this.modCommand("play",null,file);};$.verto.conf.prototype.stop=function(){this.modCommand("stop",null,"all");};$.verto.conf.prototype.deaf=function(memberID){this.modCommand("deaf",parseInt(memberID));};$.verto.conf.prototype.undeaf=function(memberID){this.modCommand("undeaf",parseInt(memberID));};$.verto.conf.prototype.record=function(file){this.modCommand("recording",null,["start",file]);};$.verto.conf.prototype.stopRecord=function(){this.modCommand("recording",null,["stop","all"]);};$.verto.conf.prototype.snapshot=function(file){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-write-png",null,file);};$.verto.conf.prototype.setVideoLayout=function(layout,canvasID){if(!this.params.hasVid){throw'Conference has no video';}
-if(canvasID){this.modCommand("vid-layout",null,[layout,canvasID]);}else{this.modCommand("vid-layout",null,layout);}};$.verto.conf.prototype.kick=function(memberID){this.modCommand("kick",parseInt(memberID));};$.verto.conf.prototype.muteMic=function(memberID){this.modCommand("tmute",parseInt(memberID));};$.verto.conf.prototype.muteVideo=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("tvmute",parseInt(memberID));};$.verto.conf.prototype.presenter=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-res-id",parseInt(memberID),"presenter");};$.verto.conf.prototype.videoFloor=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-floor",parseInt(memberID),"force");};$.verto.conf.prototype.banner=function(memberID,text){if(!this.params.hasVid){throw'Conference has no video';}
-this.modCommand("vid-banner",parseInt(memberID),escape(text));};$.verto.conf.prototype.volumeDown=function(memberID){this.modCommand("volume_out",parseInt(memberID),"down");};$.verto.conf.prototype.volumeUp=function(memberID){this.modCommand("volume_out",parseInt(memberID),"up");};$.verto.conf.prototype.gainDown=function(memberID){this.modCommand("volume_in",parseInt(memberID),"down");};$.verto.conf.prototype.gainUp=function(memberID){this.modCommand("volume_in",parseInt(memberID),"up");};$.verto.conf.prototype.transfer=function(memberID,exten){this.modCommand("transfer",parseInt(memberID),exten);};$.verto.conf.prototype.sendChat=function(message,type){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.chatChannel,"data":{"action":"send","message":message,"type":type}});};}
-$.verto.modfuncs={};$.verto.confMan=function(verto,params){var confMan=this;confMan.params=$.extend({tableID:null,statusID:null,mainModID:null,dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);confMan.verto=verto;confMan.serno=CONFMAN_SERNO++;confMan.canvasCount=confMan.params.laData.canvasCount;function genMainMod(jq){var play_id="play_"+confMan.serno;var stop_id="stop_"+confMan.serno;var recording_id="recording_"+confMan.serno;var snapshot_id="snapshot_"+confMan.serno;var rec_stop_id="recording_stop"+confMan.serno;var div_id="confman_"+confMan.serno;var html="Play "+"Stop "+"Record "+"Record Stop "+
-(confMan.params.hasVid?"PNG Snapshot ":"")+"
";jq.html(html);$.verto.modfuncs.change_video_layout=function(id,canvas_id){var val=$("#"+id+" option:selected").text();if(val!=="none"){confMan.modCommand("vid-layout",null,[val,canvas_id]);}};if(confMan.params.hasVid){for(var j=0;jVideo Layout Canvas "+(j+1)+" ";html+="General Controls
Kick "+"Mute "+"Gain - "+"Gain + "+"Vol - "+"Vol + "+"Transfer ";if(confMan.params.hasVid){html+="Video Controls VMute "+"Presenter "+"Vid Floor "+"Banner ";if(confMan.canvasCount>1){html+="Canvas Controls Set Input Canvas "+"Prev Input Canvas "+"Next Input Canvas "+"Set Watching Canvas "+"Prev Watching Canvas "+"Next Watching Canvas ";}
-html+="Set Layer "+"Prev Layer "+"Next Layer "+"";}
-jq.html(html);if(!jq.data("mouse")){$("#"+box_id).hide();}
-jq.mouseover(function(e){jq.data({"mouse":true});$("#"+box_id).show();});jq.mouseout(function(e){jq.data({"mouse":false});$("#"+box_id).hide();});$("#"+transfer_id).click(function(){var xten=prompt("Enter Extension");if(xten){confMan.modCommand("transfer",x,xten);}});$("#"+kick_id).click(function(){confMan.modCommand("kick",x);});$("#"+layer_set_id).click(function(){var cid=prompt("Please enter layer ID","");if(cid){confMan.modCommand("vid-layer",x,cid);}});$("#"+layer_next_id).click(function(){confMan.modCommand("vid-layer",x,"next");});$("#"+layer_prev_id).click(function(){confMan.modCommand("vid-layer",x,"prev");});$("#"+canvas_in_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-canvas",x,cid);}});$("#"+canvas_out_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-watching-canvas",x,cid);}});$("#"+canvas_in_next_id).click(function(){confMan.modCommand("vid-canvas",x,"next");});$("#"+canvas_in_prev_id).click(function(){confMan.modCommand("vid-canvas",x,"prev");});$("#"+canvas_out_next_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"next");});$("#"+canvas_out_prev_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"prev");});$("#"+tmute_id).click(function(){confMan.modCommand("tmute",x);});if(confMan.params.hasVid){$("#"+tvmute_id).click(function(){confMan.modCommand("tvmute",x);});$("#"+tvpresenter_id).click(function(){confMan.modCommand("vid-res-id",x,"presenter");});$("#"+tvfloor_id).click(function(){confMan.modCommand("vid-floor",x,"force");});$("#"+vbanner_id).click(function(){var text=prompt("Please enter text","");if(text){confMan.modCommand("vid-banner",x,escape(text));}});}
-$("#"+gainup_id).click(function(){confMan.modCommand("volume_in",x,"up");});$("#"+gaindn_id).click(function(){confMan.modCommand("volume_in",x,"down");});$("#"+volup_id).click(function(){confMan.modCommand("volume_out",x,"up");});$("#"+voldn_id).click(function(){confMan.modCommand("volume_out",x,"down");});return html;}
-var atitle="";var awidth=0;verto.subscribe(confMan.params.laData.infoChannel,{handler:function(v,e){if(typeof(confMan.params.infoCallback)==="function"){confMan.params.infoCallback(v,e);}}});verto.subscribe(confMan.params.laData.chatChannel,{handler:function(v,e){if(typeof(confMan.params.chatCallback)==="function"){confMan.params.chatCallback(v,e);}}});if(confMan.params.laData.role==="moderator"){atitle="Action";awidth=600;if(confMan.params.mainModID){genMainMod($(confMan.params.mainModID));$(confMan.params.displayID).html("Moderator Controls Readyb)?1:-1));});for(var i in options){$(vlselect_id).append(new Option(options[i],options[i]));x++;}}
-if(x){$(vlselect_id).selectmenu('refresh',true);}else{$(vlayout_id).hide();}}}else{if(!confMan.destroyed&&confMan.params.displayID){$(confMan.params.displayID).html(e.data.response+"=14393&&url.indexOf('?transport=udp')===-1;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}
-function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i0;i--){this._iceGatherers=new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy});}}else{config.iceCandidatePoolSize=0;}
-this._config=config;this.transceivers=[];this._sdpSessionId=SDPUtils.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=undefined;this._isClosed=false;};RTCPeerConnection.prototype.onicecandidate=null;RTCPeerConnection.prototype.onaddstream=null;RTCPeerConnection.prototype.ontrack=null;RTCPeerConnection.prototype.onremovestream=null;RTCPeerConnection.prototype.onsignalingstatechange=null;RTCPeerConnection.prototype.oniceconnectionstatechange=null;RTCPeerConnection.prototype.onicegatheringstatechange=null;RTCPeerConnection.prototype.onnegotiationneeded=null;RTCPeerConnection.prototype.ondatachannel=null;RTCPeerConnection.prototype._dispatchEvent=function(name,event){if(this._isClosed){return;}
-this.dispatchEvent(event);if(typeof this['on'+name]==='function'){this['on'+name](event);}};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this._dispatchEvent('icegatheringstatechange',event);};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams;};RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams;};RTCPeerConnection.prototype._createTransceiver=function(kind){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
-this.transceivers.push(transceiver);return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){var alreadyExists=this.transceivers.find(function(s){return s.track===track;});if(alreadyExists){throw makeError('InvalidAccessError','Track already exists.');}
-if(this.signalingState==='closed'){throw makeError('InvalidStateError','Attempted to call addTrack on a closed peerconnection.');}
-var transceiver;for(var i=0;i=15025){stream.getTracks().forEach(function(track){pc.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){pc.addTrack(track,clonedStream);});}};RTCPeerConnection.prototype.removeTrack=function(sender){if(!(sender instanceof window.RTCRtpSender)){throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.');}
-var transceiver=this.transceivers.find(function(t){return t.rtpSender===sender;});if(!transceiver){throw makeError('InvalidAccessError','Sender was not created by this connection.');}
-var stream=transceiver.stream;transceiver.rtpSender.stop();transceiver.rtpSender=null;transceiver.track=null;transceiver.stream=null;var localStreams=this.transceivers.map(function(t){return t.stream;});if(localStreams.indexOf(stream)===-1&&this.localStreams.indexOf(stream)>-1){this.localStreams.splice(this.localStreams.indexOf(stream),1);}
-this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach(function(track){var sender=pc.getSenders().find(function(s){return s.track===track;});if(sender){pc.removeTrack(sender);}});};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0){return this.transceivers[0].iceGatherer;}else if(this._iceGatherers.length){return this._iceGatherers.shift();}
-var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(iceGatherer,'state',{value:'new',writable:true});this.transceivers[sdpMLineIndex].candidates=[];this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;iceGatherer.state=end?'completed':'gathering';if(pc.transceivers[sdpMLineIndex].candidates!==null){pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);}};iceGatherer.addEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);return iceGatherer;};RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this;var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer.onlocalcandidate){return;}
-var candidates=this.transceivers[sdpMLineIndex].candidates;this.transceivers[sdpMLineIndex].candidates=null;iceGatherer.removeEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);iceGatherer.onlocalcandidate=function(evt){if(pc.usingBundle&&sdpMLineIndex>0){return;}
-var event=new Event('icecandidate');event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state==='new'||iceGatherer.state==='gathering'){iceGatherer.state='completed';}}else{if(iceGatherer.state==='new'){iceGatherer.state='gathering';}
-cand.component=1;event.candidate.candidate=SDPUtils.writeCandidate(cand);}
-var sections=SDPUtils.splitSections(pc.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex+1]+='a=end-of-candidates\r\n';}
-pc.localDescription.sdp=sections.join('');var complete=pc.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});if(pc.iceGatheringState!=='gathering'){pc.iceGatheringState='gathering';pc._emitGatheringStateChange();}
-if(!end){pc._dispatchEvent('icecandidate',event);}
-if(complete){pc._dispatchEvent('icecandidate',new Event('icecandidate'));pc.iceGatheringState='complete';pc._emitGatheringStateChange();}};window.setTimeout(function(){candidates.forEach(function(candidate){var e=new Event('RTCIceGatherEvent');e.candidate=candidate;iceGatherer.onlocalcandidate(e);});},0);};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});pc._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
-var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
-var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlsstatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
-transceiver.rtpSender.send(params);}
-if(recv&&transceiver.rtpReceiver&¶ms.codecs.length>0){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
-if(transceiver.recvEncodingParameters.length){params.encodings=transceiver.recvEncodingParameters;}
-params.rtcp={compound:transceiver.rtcpParameters.compound};if(transceiver.rtcpParameters.cname){params.rtcp.cname=transceiver.rtcpParameters.cname;}
-if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
-transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var pc=this;if(!isActionAllowedInSignalingState('setLocalDescription',description.type,this.signalingState)||this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set local '+description.type+' in state '+pc.signalingState));}
-var sections;var sessionpart;if(description.type==='offer'){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps;});this.transceivers.forEach(function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex);});}else if(description.type==='answer'){sections=SDPUtils.splitSections(pc.remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role='server';}
-if(!pc.usingBundle||sdpMLineIndex===0){pc._gather(transceiver.mid,sdpMLineIndex);if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?'controlling':'controlled');}
-if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
-var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,false);}});}
-this.localDescription={type:description.type,sdp:description.sdp};switch(description.type){case'offer':this._updateSignalingState('have-local-offer');break;case'answer':this._updateSignalingState('stable');break;default:throw new TypeError('unsupported type "'+description.type+'"');}
-return Promise.resolve();};RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,this.signalingState)||this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set remote '+description.type+' in state '+pc.signalingState));}
-var streams={};this.remoteStreams.forEach(function(stream){streams[stream.id]=stream;});var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;this.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){this.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{this.canTrickleIceCandidates=false;}
-sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(kind==='application'&&protocol==='DTLS/SCTP'){pc.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return;}
-var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
-recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]){pc._disposeIceAndDtlsTransports(sdpMLineIndex);pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer;pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport;pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport;if(pc.transceivers[sdpMLineIndex].rtpSender){pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);}
-if(pc.transceivers[sdpMLineIndex].rtpReceiver){pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);}}
-if(description.type==='offer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle);}
-if(cands.length&&transceiver.iceTransport.state==='new'){if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
-localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
-sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+2)*1001}];var isNewTrack=false;if(direction==='sendrecv'||direction==='sendonly'){isNewTrack=!transceiver.rtpReceiver;rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);if(isNewTrack){var stream;track=rtpReceiver.track;if(remoteMsid&&remoteMsid.stream==='-'){}else if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
-Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});stream=streams[remoteMsid.stream];}else{if(!streams.default){streams.default=new window.MediaStream();}
-stream=streams.default;}
-if(stream){addTrackToStreamAndFireEvent(track,stream);transceiver.associatedRemoteMediaStreams.push(stream);}
-receiverList.push([track,rtpReceiver,stream]);}}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track){transceiver.associatedRemoteMediaStreams.forEach(function(s){var nativeTrack=s.getTracks().find(function(t){return t.id===transceiver.rtpReceiver.track.id;});if(nativeTrack){removeTrackFromStreamAndFireEvent(nativeTrack,s);}});transceiver.associatedRemoteMediaStreams=[];}
-transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;pc._transceive(pc.transceivers[sdpMLineIndex],false,isNewTrack);}else if(description.type==='answer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if(cands.length&&iceTransport.state==='new'){if((isIceLite||isComplete)&&(!usingBundle||sdpMLineIndex===0)){iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
-if(!usingBundle||sdpMLineIndex===0){if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,'controlling');}
-if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
-pc._transceive(transceiver,direction==='sendrecv'||direction==='recvonly',direction==='sendrecv'||direction==='sendonly');if(rtpReceiver&&(direction==='sendrecv'||direction==='sendonly')){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
-addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
-addTrackToStreamAndFireEvent(track,streams.default);receiverList.push([track,rtpReceiver,streams.default]);}}else{delete transceiver.rtpReceiver;}}});if(this._dtlsRole===undefined){this._dtlsRole=description.type==='offer'?'active':'passive';}
-this.remoteDescription={type:description.type,sdp:description.sdp};switch(description.type){case'offer':this._updateSignalingState('have-remote-offer');break;case'answer':this._updateSignalingState('stable');break;default:throw new TypeError('unsupported type "'+description.type+'"');}
-Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){if(pc.remoteStreams.indexOf(stream)===-1){pc.remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;window.setTimeout(function(){pc._dispatchEvent('addstream',event);});}
-receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return;}
-fireAddTrack(pc,track,receiver,[stream]);});}});receiverList.forEach(function(item){if(item[2]){return;}
-fireAddTrack(pc,item[0],item[1],[]);});window.setTimeout(function(){if(!(pc&&pc.transceivers)){return;}
-pc.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
-if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
-if(transceiver.rtpSender){transceiver.rtpSender.stop();}
-if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._isClosed=true;this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this._dispatchEvent('signalingstatechange',event);};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
-this.needNegotiation=true;window.setTimeout(function(){if(pc.needNegotiation===false){return;}
-pc.needNegotiation=false;var event=new Event('negotiationneeded');pc._dispatchEvent('negotiationneeded',event);},0);};RTCPeerConnection.prototype._updateConnectionState=function(){var newState;var states={'new':0,closed:0,connecting:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;});states.connected+=states.completed;newState='new';if(states.failed>0){newState='failed';}else if(states.connecting>0||states.checking>0){newState='connecting';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0||states.completed>0){newState='connected';}
-if(newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event('iceconnectionstatechange');this._dispatchEvent('iceconnectionstatechange',event);}};RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createOffer after close'));}
-var numAudioTracks=this.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=this.transceivers.filter(function(t){return t.kind==='video';}).length;var offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
-if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
-if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
-this.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){this._createTransceiver('audio');numAudioTracks--;}
-if(numVideoTracks>0){this._createTransceiver('video');numVideoTracks--;}}
-var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);this.transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle);}
-var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
-localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}});var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'&&!sendEncodingParameters[0].rtx){sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1};}}
-if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
-transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(this._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
-sdp+='a=ice-options:trickle\r\n';this.transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream,pc._dtlsRole);sdp+='a=rtcp-rsize\r\n';if(transceiver.iceGatherer&&pc.iceGatheringState!=='new'&&(sdpMLineIndex===0||!pc.usingBundle)){transceiver.iceGatherer.getLocalCandidates().forEach(function(cand){cand.component=1;sdp+='a='+SDPUtils.writeCandidate(cand)+'\r\n';});if(transceiver.iceGatherer.state==='completed'){sdp+='a=end-of-candidates\r\n';}}});var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(this._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer after close'));}
-var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);if(this.usingBundle){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
-var mediaSectionsInOffer=SDPUtils.splitSections(this.remoteDescription.sdp).length-1;this.transceivers.forEach(function(transceiver,sdpMLineIndex){if(sdpMLineIndex+1>mediaSectionsInOffer){return;}
-if(transceiver.isDatachannel){sdp+='m=application 0 DTLS/SCTP 5000\r\n'+'c=IN IP4 0.0.0.0\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
-if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
-if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'&&!transceiver.sendEncodingParameters[0].rtx){transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1};}}}
-var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
-sdp+=writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream,pc._dtlsRole);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){var sections;if(!candidate||candidate.candidate===''){for(var j=0;j0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return Promise.resolve();}
-if(cand.component&&cand.component!==1){return Promise.resolve();}
-if(sdpMLineIndex===0||(sdpMLineIndex>0&&transceiver.iceTransport!==this.transceivers[0].iceTransport)){if(!maybeAddCandidate(transceiver.iceTransport,cand)){return Promise.reject(makeError('OperationError','Can not add ICE candidate'));}}
-var candidateString=candidate.candidate.trim();if(candidateString.indexOf('a=')===0){candidateString=candidateString.substr(2);}
-sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[sdpMLineIndex+1]+='a='+
-(cand.type?candidateString:'end-of-candidates')
-+'\r\n';this.remoteDescription.sdp=sections.join('');}else{return Promise.reject(makeError('OperationError','Can not add ICE candidate'));}}
-return Promise.resolve();};RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});var fixStatsType=function(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;};return new Promise(function(resolve){var results=new Map();Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id]);});});resolve(results);});});};var methods=['createOffer','createAnswer'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[0]==='function'||typeof args[1]==='function'){return nativeMethod.apply(this,[arguments[2]]).then(function(description){if(typeof args[0]==='function'){args[0].apply(null,[description]);}},function(error){if(typeof args[1]==='function'){args[1].apply(null,[error]);}});}
-return nativeMethod.apply(this,arguments);};});methods=['setLocalDescription','setRemoteDescription','addIceCandidate'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'||typeof args[2]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}},function(error){if(typeof args[2]==='function'){args[2].apply(null,[error]);}});}
-return nativeMethod.apply(this,arguments);};});['getStats'].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}});}
-return nativeMethod.apply(this,arguments);};});return RTCPeerConnection;};},{"sdp":2}],2:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
-var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
-(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1);}else{parts.attribute=line.substr(sp+1);}
-return parts;};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}}
-SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
-return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
-sdp+='a=rtcp-mux\r\n';caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.split(' ');parts.shift();return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
-description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
-var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
--(50*40*8);}else{bandwidth=undefined;}
-encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
-return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
-var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
-var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId,sessVer){var sessionId;var version=sessVer!==undefined?sessVer:2;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
-return'v=0\r\n'+'o=thisisadapterortc '+sessionId+' '+version+' IN IP4 127.0.0.1\r\n'+'s=-\r\n'+'t=0 0\r\n';};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
-if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
-transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
-transceiver.sendEncodingParameters[0].ssrc+' '+
-transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
-sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
-return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i=65){return this.shimAddTrackRemoveTrackWithNative(window);}
-var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var pc=this;var nativeStreams=origGetLocalStreams.apply(this);pc._reverseStreams=pc._reverseStreams||{};return nativeStreams.map(function(stream){return pc._reverseStreams[stream.id];});};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=pc.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});if(!pc._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());pc._streams[stream.id]=newStream;pc._reverseStreams[newStream.id]=stream;stream=newStream;}
-origAddStream.apply(pc,[stream]);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};origRemoveStream.apply(pc,[(pc._streams[stream.id]||stream)]);delete pc._reverseStreams[(pc._streams[stream.id]?pc._streams[stream.id].id:stream.id)];delete pc._streams[stream.id];};window.RTCPeerConnection.prototype.addTrack=function(track,stream){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
-var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
-var alreadyExists=pc.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
-pc._streams=pc._streams||{};pc._reverseStreams=pc._reverseStreams||{};var oldStream=pc._streams[stream.id];if(oldStream){oldStream.addTrack(track);Promise.resolve().then(function(){pc.dispatchEvent(new Event('negotiationneeded'));});}else{var newStream=new window.MediaStream([track]);pc._streams[stream.id]=newStream;pc._reverseStreams[newStream.id]=stream;pc.addStream(newStream);}
-return pc.getSenders().find(function(s){return s.track===track;});};function replaceInternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,'g'),externalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
-function replaceExternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,'g'),internalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
-['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var pc=this;var args=arguments;var isLegacyCall=arguments.length&&typeof arguments[0]==='function';if(isLegacyCall){return nativeMethod.apply(pc,[function(description){var desc=replaceInternalStreamId(pc,description);args[0].apply(null,[desc]);},function(err){if(args[1]){args[1].apply(null,err);}},arguments[2]]);}
-return nativeMethod.apply(pc,arguments).then(function(description){return replaceInternalStreamId(pc,description);});};});var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){var pc=this;if(!arguments.length||!arguments[0].type){return origSetLocalDescription.apply(pc,arguments);}
-arguments[0]=replaceExternalStreamId(pc,arguments[0]);return origSetLocalDescription.apply(pc,arguments);};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,'localDescription');Object.defineProperty(window.RTCPeerConnection.prototype,'localDescription',{get:function(){var pc=this;var description=origLocalDescription.get.apply(this);if(description.type===''){return description;}
-return replaceInternalStreamId(pc,description);}});window.RTCPeerConnection.prototype.removeTrack=function(sender){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
-if(!sender._pc){throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.','TypeError');}
-var isLocal=sender._pc===pc;if(!isLocal){throw new DOMException('Sender was not created by this connection.','InvalidAccessError');}
-pc._streams=pc._streams||{};var stream;Object.keys(pc._streams).forEach(function(streamid){var hasTrack=pc._streams[streamid].getTracks().find(function(track){return sender.track===track;});if(hasTrack){stream=pc._streams[streamid];}});if(stream){if(stream.getTracks().length===1){pc.removeStream(pc._reverseStreams[stream.id]);}else{stream.removeTrack(sender.track);}
-pc.dispatchEvent(new Event('negotiationneeded'));}};},shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(!window.RTCPeerConnection&&window.webkitRTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging('PeerConnection');if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy;}
-return new window.webkitRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.webkitRTCPeerConnection.prototype;if(window.webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.webkitRTCPeerConnection.generateCertificate;}});}}else{var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
-if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
-var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
-return new Promise(function(resolve,reject){origGetStats.apply(pc,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};if(browserDetails.version<51){['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var args=arguments;var pc=this;var promise=new Promise(function(resolve,reject){nativeMethod.apply(pc,[args[0],resolve,reject]);});if(args.length<2){return promise;}
-return promise.then(function(){args[1].apply(null,[]);},function(err){if(args.length>=3){args[2].apply(null,[err]);}});};});}
-if(browserDetails.version<52){['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var pc=this;if(arguments.length<1||(arguments.length===1&&typeof arguments[0]==='object')){var opts=arguments.length===1?arguments[0]:undefined;return new Promise(function(resolve,reject){nativeMethod.apply(pc,[resolve,reject,opts]);});}
-return nativeMethod.apply(this,arguments);};});}
-['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
-return Promise.resolve();}
-return nativeAddIceCandidate.apply(this,arguments);};}};},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var constraintsToChrome_=function(c){if(typeof c!=='object'||c.mandatory||c.optional){return c;}
-var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
-var r=(typeof c[key]==='object')?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
-var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
-return(name==='deviceId')?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
-if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
-return cc;};var shimConstraints_=function(constraints,func){if(browserDetails.version>=61){return func(constraints);}
-constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&typeof constraints.audio==='object'){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
-if(constraints&&typeof constraints.video==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='object')?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if((face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment'))&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
-if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().indexOf(match)!==-1;});});if(!dev&&devices.length&&matches.indexOf('back')!==-1){dev=devices[devices.length-1];}
-if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
-constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
-constraints.video=constraintsToChrome_(constraints.video);}
-logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError',InvalidStateError:'NotReadableError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotReadableError',MediaDeviceKillSwitchOn:'NotReadableError'}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){if(onError){onError(shimError_(e));}});});};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject);});};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:'audioinput',video:'videoinput'};return window.MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:''};}));});});},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true};}};}
-if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints);};}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
-return stream;},function(e){return Promise.reject(shimError_(e));});});};}
-if(typeof navigator.mediaDevices.addEventListener==='undefined'){navigator.mediaDevices.addEventListener=function(){logging('Dummy mediaDevices.addEventListener called.');};}
-if(typeof navigator.mediaDevices.removeEventListener==='undefined'){navigator.mediaDevices.removeEventListener=function(){logging('Dummy mediaDevices.removeEventListener called.');};}};},{"../utils.js":13}],7:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');var utils=require('./utils');module.exports={shimRTCIceCandidate:function(window){if(window.RTCIceCandidate&&'foundation'in
-window.RTCIceCandidate.prototype){return;}
-var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if(typeof args==='object'&&args.candidate&&args.candidate.indexOf('a=')===0){args=JSON.parse(JSON.stringify(args));args.candidate=args.candidate.substr(2);}
-var nativeCandidate=new NativeRTCIceCandidate(args);var parsedCandidate=SDPUtils.parseCandidate(args.candidate);var augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment,};};return augmentedCandidate;};utils.wrapPeerConnectionEvent(window,'icecandidate',function(e){if(e.candidate){Object.defineProperty(e,'candidate',{value:new window.RTCIceCandidate(e.candidate),writable:'false'});}
-return e;});},shimCreateObjectURL:function(window){var URL=window&&window.URL;if(!(typeof window==='object'&&window.HTMLMediaElement&&'srcObject'in window.HTMLMediaElement.prototype&&URL.createObjectURL&&URL.revokeObjectURL)){return undefined;}
-var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map(),newId=0;URL.createObjectURL=function(stream){if('getTracks'in stream){var url='polyblob:'+(++newId);streams.set(url,stream);utils.deprecated('URL.createObjectURL(stream)','elem.srcObject = stream');return url;}
-return nativeCreateObjectURL(stream);};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url);};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,'src');Object.defineProperty(window.HTMLMediaElement.prototype,'src',{get:function(){return dsc.get.apply(this);},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url]);}});var nativeSetAttribute=window.HTMLMediaElement.prototype.setAttribute;window.HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(''+arguments[0]).toLowerCase()==='src'){this.srcObject=streams.get(arguments[1])||null;}
-return nativeSetAttribute.apply(this,arguments);};},shimMaxMessageSize:function(window){if(window.RTCSctpTransport||!window.RTCPeerConnection){return;}
-var browserDetails=utils.detectBrowser(window);if(!('sctp'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'sctp',{get:function(){return typeof this._sctp==='undefined'?null:this._sctp;}});}
-var sctpInDescription=function(description){var sections=SDPUtils.splitSections(description.sdp);sections.shift();return sections.some(function(mediaSection){var mLine=SDPUtils.parseMLine(mediaSection);return mLine&&mLine.kind==='application'&&mLine.protocol.indexOf('SCTP')!==-1;});};var getRemoteFirefoxVersion=function(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(match===null||match.length<2){return-1;}
-var version=parseInt(match[1],10);return version!==version?-1:version;};var getCanSendMaxMessageSize=function(remoteIsFirefox){var canSendMaxMessageSize=65536;if(browserDetails.browser==='firefox'){if(browserDetails.version<57){if(remoteIsFirefox===-1){canSendMaxMessageSize=16384;}else{canSendMaxMessageSize=2147483637;}}else{canSendMaxMessageSize=browserDetails.version===57?65535:65536;}}
-return canSendMaxMessageSize;};var getMaxMessageSize=function(description,remoteIsFirefox){var maxMessageSize=65536;if(browserDetails.browser==='firefox'&&browserDetails.version===57){maxMessageSize=65535;}
-var match=SDPUtils.matchPrefix(description.sdp,'a=max-message-size:');if(match.length>0){maxMessageSize=parseInt(match[0].substr(19),10);}else if(browserDetails.browser==='firefox'&&remoteIsFirefox!==-1){maxMessageSize=2147483637;}
-return maxMessageSize;};var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;pc._sctp=null;if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]);var canSendMMS=getCanSendMaxMessageSize(isFirefox);var remoteMMS=getMaxMessageSize(arguments[0],isFirefox);var maxMessageSize;if(canSendMMS===0&&remoteMMS===0){maxMessageSize=Number.POSITIVE_INFINITY;}else if(canSendMMS===0||remoteMMS===0){maxMessageSize=Math.max(canSendMMS,remoteMMS);}else{maxMessageSize=Math.min(canSendMMS,remoteMMS);}
-var sctp={};Object.defineProperty(sctp,'maxMessageSize',{get:function(){return maxMessageSize;}});pc._sctp=sctp;}
-return origSetRemoteDescription.apply(pc,arguments);};},shimSendThrowTypeError:function(window){var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var pc=this;var dataChannel=origCreateDataChannel.apply(pc,arguments);var origDataChannelSend=dataChannel.send;dataChannel.send=function(){var dc=this;var data=arguments[0];var length=data.length||data.size||data.byteLength;if(length>pc.sctp.maxMessageSize){throw new DOMException('Message too large (can send a maximum of '+
-pc.sctp.maxMessageSize+' bytes)','TypeError');}
-return origDataChannelSend.apply(dc,arguments);};return dataChannel;};}};},{"./utils":13,"sdp":2}],8:[function(require,module,exports){'use strict';var utils=require('../utils');var shimRTCPeerConnection=require('rtcpeerconnection-shim');module.exports={shimGetUserMedia:require('./getusermedia'),shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
-if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
-if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
-if(window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=new window.RTCDtmfSender(this);}else if(this.track.kind==='video'){this._dtmf=null;}}
-return this._dtmf;}});}
-window.RTCPeerConnection=shimRTCPeerConnection(window,browserDetails.version);},shimReplaceTrack:function(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}};},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){'use strict';module.exports=function(window){var navigator=window&&window.navigator;var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};};},{}],10:[function(require,module,exports){'use strict';var utils=require('../utils');module.exports={shimGetUserMedia:require('./getusermedia'),shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
-window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);this.removeEventListener('addstream',this._ontrackpoly);}
-this.addEventListener('track',this._ontrack=f);this.addEventListener('addstream',this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event('track');event.track=track;event.receiver={track:track};event.transceiver={receiver:event.receiver};event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}
-if(typeof window==='object'&&window.RTCTrackEvent&&('receiver'in window.RTCTrackEvent.prototype)&&!('transceiver'in window.RTCTrackEvent.prototype)){Object.defineProperty(window.RTCTrackEvent.prototype,'transceiver',{get:function(){return{receiver:this.receiver};}});}},shimSourceObject:function(window){if(typeof window==='object'){if(window.HTMLMediaElement&&!('srcObject'in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,'srcObject',{get:function(){return this.mozSrcObject;},set:function(stream){this.mozSrcObject=stream;}});}}},shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(typeof window!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
-if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if(typeof c==='object'&&typeof c.audio==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
-return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
-if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&typeof c==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
-return nativeApplyConstraints.apply(this,[c]);};}}
-navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError);}
-utils.deprecated('navigator.getUserMedia','navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};};},{"../utils":13}],12:[function(require,module,exports){'use strict';var utils=require('../utils');module.exports={shimLocalStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
-return this._localStreams;};}
-if(!('getStreamById'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getStreamById=function(id){var result=null;if(this._localStreams){this._localStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
-if(this._remoteStreams){this._remoteStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
-return result;};}
-if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){if(!this._localStreams){this._localStreams=[];}
-if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}
-var pc=this;stream.getTracks().forEach(function(track){_addTrack.call(pc,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}}
-return _addTrack.call(this,track,stream);};}
-if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){if(!this._localStreams){this._localStreams=[];}
-var index=this._localStreams.indexOf(stream);if(index===-1){return;}
-this._localStreams.splice(index,1);var pc=this;var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.indexOf(sender.track)!==-1){pc.removeTrack(sender);}});};}},shimRemoteStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
-if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function(){return this._onaddstream;},set:function(f){var pc=this;if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
-this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!pc._remoteStreams){pc._remoteStreams=[];}
-if(pc._remoteStreams.indexOf(stream)>=0){return;}
-pc._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;pc.dispatchEvent(event);});});}});}},shimCallbacksAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
-var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
-promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;},shimGetUserMedia:function(window){var navigator=window&&window.navigator;if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator);}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}},shimRTCIceServerUrls:function(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i=pos&&parseInt(match[pos],10);}
-function wrapPeerConnectionEvent(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection){return;}
-var proto=window.RTCPeerConnection.prototype;var nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap){return nativeAddEventListener.apply(this,arguments);}
-var wrappedCallback=function(e){cb(wrapper(e));};this._eventMap=this._eventMap||{};this._eventMap[cb]=wrappedCallback;return nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback]);};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb]){return nativeRemoveEventListener.apply(this,arguments);}
-var unwrappedCb=this._eventMap[cb];delete this._eventMap[cb];return nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb]);};Object.defineProperty(proto,'on'+eventNameToWrap,{get:function(){return this['_on'+eventNameToWrap];},set:function(cb){if(this['_on'+eventNameToWrap]){this.removeEventListener(eventNameToWrap,this['_on'+eventNameToWrap]);delete this['_on'+eventNameToWrap];}
-if(cb){this.addEventListener(eventNameToWrap,this['_on'+eventNameToWrap]=cb);}}});}
-module.exports={extractVersion:extractVersion,wrapPeerConnectionEvent:wrapPeerConnectionEvent,disableLog:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
-logDisabled_=bool;return(bool)?'adapter.js logging disabled':'adapter.js logging enabled';},disableWarnings:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
-deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');},log:function(){if(typeof window==='object'){if(logDisabled_){return;}
-if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}},deprecated:function(oldMethod,newMethod){if(!deprecationWarnings_){return;}
-console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');},detectBrowser:function(window){var navigator=window&&window.navigator;var result={};result.browser=null;result.version=null;if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
-if(navigator.mozGetUserMedia){result.browser='firefox';result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){result.browser='chrome';result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
-return result;}};},{}]},{},[3])(3)});
\ No newline at end of file
+(function($) {
+
+ // Find the line in sdpLines that starts with |prefix|, and, if specified,
+ // contains |substr| (case-insensitive search).
+ function findLine(sdpLines, prefix, substr) {
+ return findLineInRange(sdpLines, 0, -1, prefix, substr);
+ }
+
+ // Find the line in sdpLines[startLine...endLine - 1] that starts with |prefix|
+ // and, if specified, contains |substr| (case-insensitive search).
+ function findLineInRange(sdpLines, startLine, endLine, prefix, substr) {
+ var realEndLine = (endLine != -1) ? endLine : sdpLines.length;
+ for (var i = startLine; i < realEndLine; ++i) {
+ if (sdpLines[i].indexOf(prefix) === 0) {
+ if (!substr || sdpLines[i].toLowerCase().indexOf(substr.toLowerCase()) !== -1) {
+ return i;
+ }
+ }
+ }
+ return null;
+ }
+
+ // Gets the codec payload type from an a=rtpmap:X line.
+ function getCodecPayloadType(sdpLine) {
+ var pattern = new RegExp('a=rtpmap:(\\d+) \\w+\\/\\d+');
+ var result = sdpLine.match(pattern);
+ return (result && result.length == 2) ? result[1] : null;
+ }
+
+ // Returns a new m= line with the specified codec as the first one.
+ function setDefaultCodec(mLine, payload) {
+ var elements = mLine.split(' ');
+ var newLine = [];
+ var index = 0;
+ for (var i = 0; i < elements.length; i++) {
+ if (index === 3) { // Format of media starts from the fourth.
+ newLine[index++] = payload; // Put target payload to the first.
+ }
+ if (elements[i] !== payload) newLine[index++] = elements[i];
+ }
+ return newLine.join(' ');
+ }
+
+ $.FSRTC = function(options) {
+ this.options = $.extend({
+ useVideo: null,
+ useStereo: false,
+ userData: null,
+ localVideo: null,
+ screenShare: false,
+ useCamera: "any",
+ iceServers: false,
+ videoParams: {},
+ audioParams: {},
+ callbacks: {
+ onICEComplete: function() {},
+ onICE: function() {},
+ onOfferSDP: function() {}
+ },
+ useStream: null,
+ }, options);
+
+ this.audioEnabled = true;
+ this.videoEnabled = true;
+
+
+ this.mediaData = {
+ SDP: null,
+ profile: {},
+ candidateList: []
+ };
+
+ this.constraints = {
+ offerToReceiveAudio: this.options.useSpeak === "none" ? false : true,
+ offerToReceiveVideo: this.options.useVideo ? true : false,
+ };
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ }
+
+ setCompat();
+ checkCompat();
+ };
+
+ $.FSRTC.validRes = [];
+
+ $.FSRTC.prototype.useVideo = function(obj, local) {
+ var self = this;
+
+ if (obj) {
+ self.options.useVideo = obj;
+ self.options.localVideo = local;
+ self.constraints.offerToReceiveVideo = true;
+ } else {
+ self.options.useVideo = null;
+ self.options.localVideo = null;
+ self.constraints.offerToReceiveVideo = false;
+ }
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ }
+ };
+
+ $.FSRTC.prototype.useStereo = function(on) {
+ var self = this;
+ self.options.useStereo = on;
+ };
+
+ // Sets Opus in stereo if stereo is enabled, by adding the stereo=1 fmtp param.
+ $.FSRTC.prototype.stereoHack = function(sdp) {
+ var self = this;
+
+ if (!self.options.useStereo) {
+ return sdp;
+ }
+
+ var sdpLines = sdp.split('\r\n');
+
+ // Find opus payload.
+ var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000'), opusPayload;
+
+ if (!opusIndex) {
+ return sdp;
+ } else {
+ opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
+ }
+
+ // Find the payload in fmtp line.
+ var fmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
+
+ if (fmtpLineIndex === null) {
+ // create an fmtp line
+ sdpLines[opusIndex] = sdpLines[opusIndex] + '\r\na=fmtp:' + opusPayload.toString() + " stereo=1; sprop-stereo=1"
+ } else {
+ // Append stereo=1 to fmtp line.
+ sdpLines[fmtpLineIndex] = sdpLines[fmtpLineIndex].concat('; stereo=1; sprop-stereo=1');
+ }
+
+ sdp = sdpLines.join('\r\n');
+ return sdp;
+ };
+
+ function setCompat() {
+ }
+
+ function checkCompat() {
+ return true;
+ }
+
+ function onStreamError(self, e) {
+ console.log('There has been a problem retrieving the streams - did you allow access? Check Device Resolution', e);
+ doCallback(self, "onError", e);
+ }
+
+ function onStreamSuccess(self, stream) {
+ console.log("Stream Success");
+ doCallback(self, "onStream", stream);
+ }
+
+ function onRemoteStreamSuccess(self, stream) {
+ console.log("Remote Stream Success");
+ doCallback(self, "onRemoteStream", stream);
+ }
+
+ function onICE(self, candidate) {
+ self.mediaData.candidate = candidate;
+ self.mediaData.candidateList.push(self.mediaData.candidate);
+
+ doCallback(self, "onICE");
+ }
+
+ function doCallback(self, func, arg) {
+ if (func in self.options.callbacks) {
+ self.options.callbacks[func](self, arg);
+ }
+ }
+
+ function onICEComplete(self, candidate) {
+ console.log("ICE Complete");
+ doCallback(self, "onICEComplete");
+ }
+
+ function onChannelError(self, e) {
+ console.error("Channel Error", e);
+ doCallback(self, "onError", e);
+ }
+
+ function onICESDP(self, sdp) {
+ self.mediaData.SDP = self.stereoHack(sdp.sdp);
+ console.log("ICE SDP");
+ doCallback(self, "onICESDP");
+ }
+
+ function onAnswerSDP(self, sdp) {
+ self.answer.SDP = self.stereoHack(sdp.sdp);
+ console.log("ICE ANSWER SDP");
+ doCallback(self, "onAnswerSDP", self.answer.SDP);
+ }
+
+ function onMessage(self, msg) {
+ console.log("Message");
+ doCallback(self, "onICESDP", msg);
+ }
+
+ FSRTCattachMediaStream = function(element, stream) {
+ if (typeof element.srcObject !== 'undefined') {
+ element.srcObject = stream;
+ } else {
+ console.error('Error attaching stream to element.');
+ }
+ }
+
+ function onRemoteStream(self, stream) {
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'block';
+
+ // Hacks for Mobile Safari
+ var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
+
+ if (iOS) {
+ self.options.useVideo.setAttribute("playsinline", true);
+ }
+ }
+
+ var element = self.options.useAudio;
+ console.log("REMOTE STREAM", stream, element);
+
+ FSRTCattachMediaStream(element, stream);
+
+
+
+ //self.options.useAudio.play();
+ self.remoteStream = stream;
+ onRemoteStreamSuccess(self, stream);
+ }
+
+ function onOfferSDP(self, sdp) {
+ self.mediaData.SDP = self.stereoHack(sdp.sdp);
+ console.log("Offer SDP");
+ doCallback(self, "onOfferSDP");
+ }
+
+ $.FSRTC.prototype.answer = function(sdp, onSuccess, onError) {
+ this.peer.addAnswerSDP({
+ type: "answer",
+ sdp: sdp
+ },
+ onSuccess, onError);
+ };
+
+ $.FSRTC.prototype.stopPeer = function() {
+ if (self.peer) {
+ console.log("stopping peer");
+ self.peer.stop();
+ }
+ }
+
+ $.FSRTC.prototype.stop = function() {
+ var self = this;
+
+ if (self.options.useVideo) {
+ self.options.useVideo.style.display = 'none';
+ self.options.useVideo['src'] = '';
+ }
+
+ if (self.localStream && !self.options.useStream) {
+ if(typeof self.localStream.stop == 'function') {
+ self.localStream.stop();
+ } else {
+ if (self.localStream.active){
+ var tracks = self.localStream.getTracks();
+ console.log(tracks);
+ tracks.forEach(function(track, index){
+ console.log(track);
+ track.stop();
+ })
+ }
+ }
+ self.localStream = null;
+ }
+
+ if (self.options.localVideo) {
+ deactivateLocalVideo(self.options.localVideo);
+ }
+
+ if (self.options.localVideoStream && !self.options.useStream) {
+ if(typeof self.options.localVideoStream.stop == 'function') {
+ self.options.localVideoStream.stop();
+ } else {
+ if (self.options.localVideoStream.active){
+ var tracks = self.options.localVideoStream.getTracks();
+ console.log(tracks);
+ tracks.forEach(function(track, index){
+ console.log(track);
+ track.stop();
+ })
+ }
+ }
+ }
+
+ if (self.peer) {
+ console.log("stopping peer");
+ self.peer.stop();
+ }
+ };
+
+ $.FSRTC.prototype.getMute = function() {
+ var self = this;
+ return self.audioEnabled;
+ }
+
+ $.FSRTC.prototype.setMute = function(what) {
+ var self = this;
+ if (!self.localStream) {
+ return false;
+ }
+ var audioTracks = self.localStream.getAudioTracks();
+
+ for (var i = 0, len = audioTracks.length; i < len; i++ ) {
+ switch(what) {
+ case "on":
+ audioTracks[i].enabled = true;
+ break;
+ case "off":
+ audioTracks[i].enabled = false;
+ break;
+ case "toggle":
+ audioTracks[i].enabled = !audioTracks[i].enabled;
+ default:
+ break;
+ }
+
+ self.audioEnabled = audioTracks[i].enabled;
+ }
+
+ return !self.audioEnabled;
+ }
+
+ $.FSRTC.prototype.getVideoMute = function() {
+ var self = this;
+ return self.videoEnabled;
+ }
+
+ $.FSRTC.prototype.setVideoMute = function(what) {
+ var self = this;
+ if (!self.localStream) {
+ return false;
+ }
+ var videoTracks = self.localStream.getVideoTracks();
+
+ for (var i = 0, len = videoTracks.length; i < len; i++ ) {
+ switch(what) {
+ case "on":
+ videoTracks[i].enabled = true;
+ break;
+ case "off":
+ videoTracks[i].enabled = false;
+ break;
+ case "toggle":
+ videoTracks[i].enabled = !videoTracks[i].enabled;
+ default:
+ break;
+ }
+
+ self.videoEnabled = videoTracks[i].enabled;
+ }
+
+ return !self.videoEnabled;
+ }
+
+ $.FSRTC.prototype.createAnswer = function(params) {
+ var self = this;
+ self.type = "answer";
+ self.remoteSDP = params.sdp;
+ console.debug("inbound sdp: ", params.sdp);
+
+ function onSuccess(stream) {
+ self.localStream = stream;
+
+ self.peer = FSRTCPeerConnection({
+ type: self.type,
+ attachStream: self.localStream,
+ onICE: function(candidate) {
+ return onICE(self, candidate);
+ },
+ onICEComplete: function() {
+ return onICEComplete(self);
+ },
+ onRemoteStream: function(stream) {
+ return onRemoteStream(self, stream);
+ },
+ onICESDP: function(sdp) {
+ return onICESDP(self, sdp);
+ },
+ onChannelError: function(e) {
+ return onChannelError(self, e);
+ },
+ constraints: self.constraints,
+ iceServers: self.options.iceServers,
+ offerSDP: {
+ type: "offer",
+ sdp: self.remoteSDP
+ },
+ turnServer: self.options.turnServer
+ });
+
+ onStreamSuccess(self, stream);
+ }
+
+ function onError(e) {
+ onStreamError(self, e);
+ }
+
+ var mediaParams = getMediaParams(self);
+
+ console.log("Audio constraints", mediaParams.audio);
+ console.log("Video constraints", mediaParams.video);
+
+ if (self.options.useVideo && self.options.localVideo && !self.options.useStream) {
+ getUserMedia({
+ constraints: {
+ audio: false,
+ video: { deviceId: params.useCamera },
+ },
+ localVideo: self.options.localVideo,
+ onsuccess: function(e) {self.options.localVideoStream = e; console.log("local video ready");},
+ onerror: function(e) {console.error("local video error!");}
+ });
+ }
+
+ if (self.options.useStream) {
+ if (self.options.useVideo) {
+ self.options.localVideoStream = self.options.useStream;
+ if (self.options.localVideo) {
+ activateLocalVideo(self.options.localVideo, self.options.useStream);
+ }
+ }
+ onSuccess(self.options.useStream);
+ }
+ else {
+ getUserMedia({
+ constraints: {
+ audio: mediaParams.audio,
+ video: mediaParams.video
+ },
+ video: mediaParams.useVideo,
+ onsuccess: onSuccess,
+ onerror: onError
+ });
+ }
+
+ };
+
+ function getMediaParams(obj) {
+
+ var audio;
+
+ if (obj.options.useMic && obj.options.useMic === "none") {
+ console.log("Microphone Disabled");
+ audio = false;
+ } else if (obj.options.videoParams && obj.options.screenShare) {//obj.options.videoParams.chromeMediaSource == 'desktop') {
+ console.error("SCREEN SHARE", obj.options.videoParams);
+ audio = false;
+ } else {
+ audio = {
+ };
+
+ if (obj.options.audioParams) {
+ audio = obj.options.audioParams;
+ }
+
+ if (obj.options.useMic !== "any") {
+ //audio.optional = [{sourceId: obj.options.useMic}];
+ audio.deviceId = {exact: obj.options.useMic};
+ }
+ }
+
+ if (obj.options.useVideo && obj.options.localVideo && !obj.options.useStream) {
+ getUserMedia({
+ constraints: {
+ audio: false,
+ video: { deviceId: obj.options.useCamera },
+ },
+ localVideo: obj.options.localVideo,
+ onsuccess: function(e) {obj.options.localVideoStream = e; console.log("local video ready");},
+ onerror: function(e) {console.error("local video error!");}
+ });
+ }
+
+ var video = {};
+ var bestFrameRate = obj.options.videoParams.vertoBestFrameRate;
+ var minFrameRate = obj.options.videoParams.minFrameRate || 15;
+ delete obj.options.videoParams.vertoBestFrameRate;
+
+ if (obj.options.screenShare) {
+ if (!obj.options.useCamera && !!navigator.mozGetUserMedia) {
+ //This is an issue, only FireFox needs to ask this additional question if its screen or window we need a better way
+ var dowin = window.confirm("Do you want to share an application window? If not you can share an entire screen.");
+
+ video = {
+ width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
+ height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight},
+ mediaSource: dowin ? "window" : "screen"
+ }
+ } else {
+ var opt = [];
+ if (obj.options.useCamera) {
+ opt.push({sourceId: obj.options.useCamera});
+ }
+
+ if (bestFrameRate) {
+ opt.push({minFrameRate: bestFrameRate});
+ opt.push({maxFrameRate: bestFrameRate});
+ }
+
+ video = {
+ mandatory: obj.options.videoParams,
+ optional: opt
+ };
+ // NOTE: This is a workaround for
+ // https://bugs.chromium.org/p/chromium/issues/detail?id=862325
+ if (!!navigator.userAgent.match(/Android/i)) {
+ delete video.frameRate.min;
+ }
+ }
+ } else {
+
+ video = {
+ //mandatory: obj.options.videoParams,
+ width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
+ height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight}
+ };
+
+
+
+ var useVideo = obj.options.useVideo;
+
+ if (useVideo && obj.options.useCamera && obj.options.useCamera !== "none") {
+ //if (!video.optional) {
+ //video.optional = [];
+ //}
+
+
+ if (obj.options.useCamera !== "any") {
+ //video.optional.push({sourceId: obj.options.useCamera});
+ video.deviceId = {
+ exact: obj.options.useCamera,
+ };
+ }
+
+ if (bestFrameRate) {
+ //video.optional.push({minFrameRate: bestFrameRate});
+ //video.optional.push({maxFrameRate: bestFrameRate});
+ video.frameRate = {ideal: bestFrameRate, min: minFrameRate, max: 30};
+ }
+
+ } else {
+ console.log("Camera Disabled");
+ video = false;
+ useVideo = false;
+ }
+ }
+
+ return {audio: audio, video: video, useVideo: useVideo};
+ }
+
+ $.FSRTC.prototype.call = function(profile) {
+ checkCompat();
+
+ var self = this;
+ var screen = false;
+
+ self.type = "offer";
+
+ if (self.options.videoParams && self.options.screenShare) { //self.options.videoParams.chromeMediaSource == 'desktop') {
+ screen = true;
+ }
+
+ function onSuccess(stream) {
+ self.localStream = stream;
+
+ if (screen) {
+ self.constraints.offerToReceiveVideo = false;
+ self.constraints.offerToReceiveAudio = false;
+ self.constraints.offerToSendAudio = false;
+ }
+
+ self.peer = FSRTCPeerConnection({
+ type: self.type,
+ attachStream: self.localStream,
+ onICE: function(candidate) {
+ return onICE(self, candidate);
+ },
+ onICEComplete: function() {
+ return onICEComplete(self);
+ },
+ onRemoteStream: screen ? function(stream) {} : function(stream) {
+ return onRemoteStream(self, stream);
+ },
+ onOfferSDP: function(sdp) {
+ return onOfferSDP(self, sdp);
+ },
+ onICESDP: function(sdp) {
+ return onICESDP(self, sdp);
+ },
+ onChannelError: function(e) {
+ return onChannelError(self, e);
+ },
+ constraints: self.constraints,
+ iceServers: self.options.iceServers,
+ turnServer: self.options.turnServer
+ });
+
+ onStreamSuccess(self, stream);
+ }
+
+ function onError(e) {
+ onStreamError(self, e);
+ }
+
+ var mediaParams = getMediaParams(self);
+
+ console.log("Audio constraints", mediaParams.audio);
+ console.log("Video constraints", mediaParams.video);
+
+ if (self.options.useStream) {
+ if (self.options.useVideo) {
+ self.options.localVideoStream = self.options.useStream;
+ if (self.options.localVideo) {
+ activateLocalVideo(self.options.localVideo, self.options.useStream);
+ }
+ }
+ onSuccess(self.options.useStream);
+ }
+ else if (mediaParams.audio || mediaParams.video) {
+
+ getUserMedia({
+ constraints: {
+ audio: mediaParams.audio,
+ video: mediaParams.video
+ },
+ video: mediaParams.useVideo,
+ onsuccess: onSuccess,
+ onerror: onError
+ });
+
+ } else {
+ onSuccess(null);
+ }
+
+
+
+ /*
+ navigator.getUserMedia({
+ video: self.options.useVideo,
+ audio: true
+ }, onSuccess, onError);
+ */
+
+ };
+
+ // DERIVED from RTCPeerConnection-v1.5
+ // 2013, @muazkh - github.com/muaz-khan
+ // MIT License - https://www.webrtc-experiment.com/licence/
+ // Documentation - https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCPeerConnection
+
+ function FSRTCPeerConnection(options) {
+ var gathering = false, done = false;
+ var config = {};
+ var default_ice = [{ urls: ['stun:stun.l.google.com:19302'] }];
+
+ if (self.options.turnServer) {
+ default_ice.push(self.options.turnServer)
+ }
+
+ if (options.iceServers) {
+ if (typeof(options.iceServers) === "boolean") {
+ config.iceServers = default_ice;
+ } else {
+ config.iceServers = options.iceServers;
+ }
+ }
+
+ config.bundlePolicy = "max-compat";
+
+ var peer = new window.RTCPeerConnection(config);
+
+ openOffererChannel();
+ var x = 0;
+
+ function ice_handler() {
+
+ done = true;
+ gathering = null;
+
+ if (options.onICEComplete) {
+ options.onICEComplete();
+ }
+
+ if (options.type == "offer") {
+ options.onICESDP(peer.localDescription);
+ } else {
+ if (!x && options.onICESDP) {
+ options.onICESDP(peer.localDescription);
+ }
+ }
+ }
+
+ peer.onicecandidate = function(event) {
+
+ if (done) {
+ return;
+ }
+
+ if (!gathering) {
+ gathering = setTimeout(ice_handler, 1000);
+ }
+
+ if (event) {
+ if (event.candidate) {
+ options.onICE(event.candidate);
+ }
+ } else {
+ done = true;
+
+ if (gathering) {
+ clearTimeout(gathering);
+ gathering = null;
+ }
+
+ ice_handler();
+ }
+ };
+
+ // attachStream = MediaStream;
+ if (options.attachStream) peer.addStream(options.attachStream);
+
+ // attachStreams[0] = audio-stream;
+ // attachStreams[1] = video-stream;
+ // attachStreams[2] = screen-capturing-stream;
+ if (options.attachStreams && options.attachStream.length) {
+ var streams = options.attachStreams;
+ for (var i = 0; i < streams.length; i++) {
+ peer.addStream(streams[i]);
+ }
+ }
+
+ peer.onaddstream = function(event) {
+ var remoteMediaStream = event.stream;
+
+ // onRemoteStreamEnded(MediaStream)
+ remoteMediaStream.oninactive = function () {
+ if (options.onRemoteStreamEnded) options.onRemoteStreamEnded(remoteMediaStream);
+ };
+
+ // onRemoteStream(MediaStream)
+ if (options.onRemoteStream) options.onRemoteStream(remoteMediaStream);
+
+ //console.debug('on:add:stream', remoteMediaStream);
+ };
+
+ //var constraints = options.constraints || {
+ // offerToReceiveAudio: true,
+ //offerToReceiveVideo: true
+ //};
+
+ // onOfferSDP(RTCSessionDescription)
+ function createOffer() {
+ if (!options.onOfferSDP) return;
+
+ peer.createOffer(function(sessionDescription) {
+ sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
+ peer.setLocalDescription(sessionDescription);
+ options.onOfferSDP(sessionDescription);
+ },
+ onSdpError, options.constraints);
+ }
+
+ // onAnswerSDP(RTCSessionDescription)
+ function createAnswer() {
+ if (options.type != "answer") return;
+
+ //options.offerSDP.sdp = addStereo(options.offerSDP.sdp);
+ peer.setRemoteDescription(new window.RTCSessionDescription(options.offerSDP), onSdpSuccess, onSdpError);
+ peer.createAnswer(function(sessionDescription) {
+ sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
+ peer.setLocalDescription(sessionDescription);
+ if (options.onAnswerSDP) {
+ options.onAnswerSDP(sessionDescription);
+ }
+ },
+ onSdpError);
+ }
+
+
+ if ((options.onChannelMessage) || !options.onChannelMessage) {
+ createOffer();
+ createAnswer();
+ }
+
+ // DataChannel Bandwidth
+ function setBandwidth(sdp) {
+ // remove existing bandwidth lines
+ sdp = sdp.replace(/b=AS([^\r\n]+\r\n)/g, '');
+ sdp = sdp.replace(/a=mid:data\r\n/g, 'a=mid:data\r\nb=AS:1638400\r\n');
+
+ return sdp;
+ }
+
+ // old: FF<>Chrome interoperability management
+ function getInteropSDP(sdp) {
+ var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
+ extractedChars = '';
+
+ function getChars() {
+ extractedChars += chars[parseInt(Math.random() * 40)] || '';
+ if (extractedChars.length < 40) getChars();
+
+ return extractedChars;
+ }
+
+ // usually audio-only streaming failure occurs out of audio-specific crypto line
+ // a=crypto:1 AES_CM_128_HMAC_SHA1_32 --------- kAttributeCryptoVoice
+ if (options.onAnswerSDP) sdp = sdp.replace(/(a=crypto:0 AES_CM_128_HMAC_SHA1_32)(.*?)(\r\n)/g, '');
+
+ // video-specific crypto line i.e. SHA1_80
+ // a=crypto:1 AES_CM_128_HMAC_SHA1_80 --------- kAttributeCryptoVideo
+ var inline = getChars() + '\r\n' + (extractedChars = '');
+ sdp = sdp.indexOf('a=crypto') == -1 ? sdp.replace(/c=IN/g, 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:' + inline + 'c=IN') : sdp;
+
+ return sdp;
+ }
+
+ function serializeSdp(sdp) {
+ return sdp;
+ }
+
+ // DataChannel management
+ var channel;
+
+ function openOffererChannel() {
+ if (!options.onChannelMessage) return;
+
+ _openOffererChannel();
+
+ return;
+ }
+
+ function _openOffererChannel() {
+ channel = peer.createDataChannel(options.channel || 'RTCDataChannel', {
+ reliable: false
+ });
+
+ setChannelEvents();
+ }
+
+ function setChannelEvents() {
+ channel.onmessage = function(event) {
+ if (options.onChannelMessage) options.onChannelMessage(event);
+ };
+
+ channel.onopen = function() {
+ if (options.onChannelOpened) options.onChannelOpened(channel);
+ };
+ channel.onclose = function(event) {
+ if (options.onChannelClosed) options.onChannelClosed(event);
+
+ console.warn('WebRTC DataChannel closed', event);
+ };
+ channel.onerror = function(event) {
+ if (options.onChannelError) options.onChannelError(event);
+
+ console.error('WebRTC DataChannel error', event);
+ };
+ }
+
+ function openAnswererChannel() {
+ peer.ondatachannel = function(event) {
+ channel = event.channel;
+ channel.binaryType = 'blob';
+ setChannelEvents();
+ };
+
+ return;
+ }
+
+ // fake:true is also available on chrome under a flag!
+ function useless() {
+ log('Error in fake:true');
+ }
+
+ function onSdpSuccess() {}
+
+ function onSdpError(e) {
+ if (options.onChannelError) {
+ options.onChannelError(e);
+ }
+ console.error('sdp error:', e);
+ }
+
+ return {
+ addAnswerSDP: function(sdp, cbSuccess, cbError) {
+
+ peer.setRemoteDescription(new window.RTCSessionDescription(sdp), cbSuccess ? cbSuccess : onSdpSuccess, cbError ? cbError : onSdpError);
+ },
+ addICE: function(candidate) {
+ peer.addIceCandidate(new window.RTCIceCandidate({
+ sdpMLineIndex: candidate.sdpMLineIndex,
+ candidate: candidate.candidate
+ }));
+ },
+
+ peer: peer,
+ channel: channel,
+ sendData: function(message) {
+ if (channel) {
+ channel.send(message);
+ }
+ },
+
+ stop: function() {
+ peer.close();
+ if (options.attachStream) {
+ if(typeof options.attachStream.stop == 'function') {
+ options.attachStream.stop();
+ } else {
+ options.attachStream.active = false;
+ }
+ }
+ }
+
+ };
+ }
+
+ // getUserMedia
+ var video_constraints = {
+ //mandatory: {},
+ //optional: []
+ };
+
+ function activateLocalVideo(el, stream) {
+ el.srcObject = stream;
+ el.style.display = 'block';
+ }
+
+ function deactivateLocalVideo(el) {
+ el.srcObject = null;
+ el.style.display = 'none';
+ }
+
+ function getUserMedia(options) {
+ var n = navigator,
+ media;
+ n.getMedia = n.getUserMedia;
+ n.getMedia(options.constraints || {
+ audio: true,
+ video: video_constraints
+ },
+ streaming, options.onerror ||
+ function(e) {
+ console.error(e);
+ });
+
+ function streaming(stream) {
+ if (options.localVideo) {
+ activateLocalVideo(options.localVideo, stream);
+ }
+
+ if (options.onsuccess) {
+ options.onsuccess(stream);
+ }
+
+ media = stream;
+ }
+
+ return media;
+ }
+
+ $.FSRTC.resSupported = function(w, h) {
+ for (var i in $.FSRTC.validRes) {
+ if ($.FSRTC.validRes[i][0] == w && $.FSRTC.validRes[i][1] == h) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ $.FSRTC.bestResSupported = function() {
+ var w = 0, h = 0;
+
+ for (var i in $.FSRTC.validRes) {
+ if ($.FSRTC.validRes[i][0] >= w && $.FSRTC.validRes[i][1] >= h) {
+ w = $.FSRTC.validRes[i][0];
+ h = $.FSRTC.validRes[i][1];
+ }
+ }
+
+ return [w, h];
+ }
+
+ var resList = [[160, 120], [320, 180], [320, 240], [640, 360], [640, 480], [1280, 720], [1920, 1080]];
+ var resI = 0;
+ var ttl = 0;
+
+ var checkRes = function (cam, func) {
+
+ if (resI >= resList.length) {
+ var res = {
+ 'validRes': $.FSRTC.validRes,
+ 'bestResSupported': $.FSRTC.bestResSupported()
+ };
+
+ localStorage.setItem("res_" + cam, $.toJSON(res));
+
+ if (func) return func(res);
+ return;
+ }
+
+ w = resList[resI][0];
+ h = resList[resI][1];
+ resI++;
+
+ var video = {
+ width: {exact: w},
+ height: {exact: h}
+ };
+
+ if (cam !== "any") {
+ video.deviceId = {
+ exact: cam,
+ };
+ }
+
+ getUserMedia({
+ constraints: {
+ audio: ttl++ == 0,
+ video: video
+ },
+ onsuccess: function(e) {
+ e.getTracks().forEach(function(track) {track.stop();});
+ console.info(w + "x" + h + " supported."); $.FSRTC.validRes.push([w, h]); checkRes(cam, func);},
+ onerror: function(e) {console.warn( w + "x" + h + " not supported."); checkRes(cam, func);}
+ });
+ }
+
+
+ $.FSRTC.getValidRes = function (cam, func) {
+ var used = [];
+ var cached = localStorage.getItem("res_" + cam);
+
+ if (cached) {
+ var cache = $.parseJSON(cached);
+
+ if (cache) {
+ $.FSRTC.validRes = cache.validRes;
+ console.log("CACHED RES FOR CAM " + cam, cache);
+ } else {
+ console.error("INVALID CACHE");
+ }
+ return func ? func(cache) : null;
+ }
+
+
+ $.FSRTC.validRes = [];
+ resI = 0;
+
+ checkRes(cam, func);
+ }
+
+ $.FSRTC.checkPerms = function (runtime, check_audio, check_video) {
+ getUserMedia({
+ constraints: {
+ audio: check_audio,
+ video: check_video,
+ },
+ onsuccess: function(e) {
+
+ e.getTracks().forEach(function(track) {track.stop();});
+
+ console.info("media perm init complete");
+ if (runtime) {
+ setTimeout(runtime, 100, true);
+ }
+ },
+ onerror: function(e) {
+ if (check_video && check_audio) {
+ console.error("error, retesting with audio params only");
+ return $.FSRTC.checkPerms(runtime, check_audio, false);
+ }
+
+ console.error("media perm init error");
+
+ if (runtime) {
+ runtime(false)
+ }
+ }
+ });
+ }
+
+})(jQuery);
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is jquery.jsonrpclient.js modified for Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Textalk AB http://textalk.se/
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.jsonrpclient.js - JSON RPC client code
+ *
+ */
+/**
+ * This plugin requires jquery.json.js to be available, or at least the methods $.toJSON and
+ * $.parseJSON.
+ *
+ * The plan is to make use of websockets if they are available, but work just as well with only
+ * http if not.
+ *
+ * Usage example:
+ *
+ * var foo = new $.JsonRpcClient({ ajaxUrl: '/backend/jsonrpc' });
+ * foo.call(
+ * 'bar', [ 'A parameter', 'B parameter' ],
+ * function(result) { alert('Foo bar answered: ' + result.my_answer); },
+ * function(error) { console.log('There was an error', error); }
+ * );
+ *
+ * More examples are available in README.md
+ */
+(function($) {
+ /**
+ * @fn new
+ * @memberof $.JsonRpcClient
+ *
+ * @param options An object stating the backends:
+ * ajaxUrl A url (relative or absolute) to a http(s) backend.
+ * socketUrl A url (relative of absolute) to a ws(s) backend.
+ * onmessage A socket message handler for other messages (non-responses).
+ * getSocket A function returning a WebSocket or null.
+ * It must take an onmessage_cb and bind it to the onmessage event
+ * (or chain it before/after some other onmessage handler).
+ * Or, it could return null if no socket is available.
+ * The returned instance must have readyState <= 1, and if less than 1,
+ * react to onopen binding.
+ */
+ $.JsonRpcClient = function(options) {
+ var self = this;
+ this.options = $.extend({
+ ajaxUrl : null,
+ socketUrl : null, ///< The ws-url for default getSocket.
+ onmessage : null, ///< Other onmessage-handler.
+ login : null, /// auth login
+ passwd : null, /// auth passwd
+ sessid : null,
+ loginParams : null,
+ userVariables : null,
+ getSocket : function(onmessage_cb) { return self._getSocket(onmessage_cb); }
+ }, options);
+
+ self.ws_cnt = 0;
+
+ // Declare an instance version of the onmessage callback to wrap 'this'.
+ this.wsOnMessage = function(event) { self._wsOnMessage(event); };
+ };
+
+ /// Holding the WebSocket on default getsocket.
+ $.JsonRpcClient.prototype._ws_socket = null;
+
+ /// Object : { success_cb: cb, error_cb: cb }
+ $.JsonRpcClient.prototype._ws_callbacks = {};
+
+ /// The next JSON-RPC request id.
+ $.JsonRpcClient.prototype._current_id = 1;
+
+
+ $.JsonRpcClient.prototype.speedTest = function (bytes, cb) {
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this.speedCB = cb;
+ this.speedBytes = bytes;
+ socket.send("#SPU " + bytes);
+
+ var loops = bytes / 1024;
+ var rem = bytes % 1024;
+ var i;
+ var data = new Array(1024).join(".");
+ for (i = 0; i < loops; i++) {
+ socket.send("#SPB " + data);
+ }
+
+ if (rem) {
+ socket.send("#SPB " + data);
+ }
+
+ socket.send("#SPE");
+ }
+ };
+
+
+
+ /**
+ * @fn call
+ * @memberof $.JsonRpcClient
+ *
+ * @param method The method to run on JSON-RPC server.
+ * @param params The params; an array or object.
+ * @param success_cb A callback for successful request.
+ * @param error_cb A callback for error.
+ */
+ $.JsonRpcClient.prototype.call = function(method, params, success_cb, error_cb) {
+ // Construct the JSON-RPC 2.0 request.
+
+ if (!params) {
+ params = {};
+ }
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ var request = {
+ jsonrpc : '2.0',
+ method : method,
+ params : params,
+ id : this._current_id++ // Increase the id counter to match request/response
+ };
+
+ if (!success_cb) {
+ success_cb = function(e){console.log("Success: ", e);};
+ }
+
+ if (!error_cb) {
+ error_cb = function(e){console.log("Error: ", e);};
+ }
+
+ // Try making a WebSocket call.
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this._wsCall(socket, request, success_cb, error_cb);
+ return;
+ }
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (this.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.call used with no websocket and no http endpoint.";
+ }
+
+ $.ajax({
+ type : 'POST',
+ url : this.options.ajaxUrl,
+ data : $.toJSON(request),
+ dataType : 'json',
+ cache : false,
+
+ success : function(data) {
+ if ('error' in data) error_cb(data.error, this);
+ success_cb(data.result, this);
+ },
+
+ // JSON-RPC Server could return non-200 on error
+ error : function(jqXHR, textStatus, errorThrown) {
+ try {
+ var response = $.parseJSON(jqXHR.responseText);
+
+ if ('console' in window) console.log(response);
+
+ error_cb(response.error, this);
+ } catch (err) {
+ // Perhaps the responseText wasn't really a jsonrpc-error.
+ error_cb({ error: jqXHR.responseText }, this);
+ }
+ }
+ });
+ };
+
+ /**
+ * Notify sends a command to the server that won't need a response. In http, there is probably
+ * an empty response - that will be dropped, but in ws there should be no response at all.
+ *
+ * This is very similar to call, but has no id and no handling of callbacks.
+ *
+ * @fn notify
+ * @memberof $.JsonRpcClient
+ *
+ * @param method The method to run on JSON-RPC server.
+ * @param params The params; an array or object.
+ */
+ $.JsonRpcClient.prototype.notify = function(method, params) {
+ // Construct the JSON-RPC 2.0 request.
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ var request = {
+ jsonrpc: '2.0',
+ method: method,
+ params: params
+ };
+
+ // Try making a WebSocket call.
+ var socket = this.options.getSocket(this.wsOnMessage);
+ if (socket !== null) {
+ this._wsCall(socket, request);
+ return;
+ }
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (this.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.notify used with no websocket and no http endpoint.";
+ }
+
+ $.ajax({
+ type : 'POST',
+ url : this.options.ajaxUrl,
+ data : $.toJSON(request),
+ dataType : 'json',
+ cache : false
+ });
+ };
+
+ /**
+ * Make a batch-call by using a callback.
+ *
+ * The callback will get an object "batch" as only argument. On batch, you can call the methods
+ * "call" and "notify" just as if it was a normal $.JsonRpcClient object, and all calls will be
+ * sent as a batch call then the callback is done.
+ *
+ * @fn batch
+ * @memberof $.JsonRpcClient
+ *
+ * @param callback The main function which will get a batch handler to run call and notify on.
+ * @param all_done_cb A callback function to call after all results have been handled.
+ * @param error_cb A callback function to call if there is an error from the server.
+ * Note, that batch calls should always get an overall success, and the
+ * only error
+ */
+ $.JsonRpcClient.prototype.batch = function(callback, all_done_cb, error_cb) {
+ var batch = new $.JsonRpcClient._batchObject(this, all_done_cb, error_cb);
+ callback(batch);
+ batch._execute();
+ };
+
+ /**
+ * The default getSocket handler.
+ *
+ * @param onmessage_cb The callback to be bound to onmessage events on the socket.
+ *
+ * @fn _getSocket
+ * @memberof $.JsonRpcClient
+ */
+
+ $.JsonRpcClient.prototype.socketReady = function() {
+ if (this._ws_socket === null || this._ws_socket.readyState > 1) {
+ return false;
+ }
+
+ return true;
+ };
+
+ $.JsonRpcClient.prototype.closeSocket = function() {
+ var self = this;
+ if (self.socketReady()) {
+ self._ws_socket.onclose = function (w) {console.log("Closing Socket");};
+ self._ws_socket.close();
+ }
+ };
+
+ $.JsonRpcClient.prototype.loginData = function(params) {
+ var self = this;
+ self.options.login = params.login;
+ self.options.passwd = params.passwd;
+ self.options.loginParams = params.loginParams;
+ self.options.userVariables = params.userVariables;
+ };
+
+ $.JsonRpcClient.prototype.connectSocket = function(onmessage_cb) {
+ var self = this;
+
+ if (self.to) {
+ clearTimeout(self.to);
+ }
+
+ if (!self.socketReady()) {
+ self.authing = false;
+
+ if (self._ws_socket) {
+ delete self._ws_socket;
+ }
+
+ // No socket, or dying socket, let's get a new one.
+ self._ws_socket = new WebSocket(self.options.socketUrl);
+
+ if (self._ws_socket) {
+ // Set up onmessage handler.
+ self._ws_socket.onmessage = onmessage_cb;
+ self._ws_socket.onclose = function (w) {
+ if (!self.ws_sleep) {
+ self.ws_sleep = 1000;
+ }
+
+ if (self.options.onWSClose) {
+ self.options.onWSClose(self);
+ }
+
+ if (self.ws_cnt > 10 && self.options.wsFallbackURL) {
+ self.options.socketUrl = self.options.wsFallbackURL;
+ }
+
+ console.error("Websocket Lost " + self.ws_cnt + " sleep: " + self.ws_sleep + "msec");
+
+ self.to = setTimeout(function() {
+ console.log("Attempting Reconnection....");
+ self.connectSocket(onmessage_cb);
+ }, self.ws_sleep);
+
+ self.ws_cnt++;
+
+ if (self.ws_sleep < 3000 && (self.ws_cnt % 10) === 0) {
+ self.ws_sleep += 1000;
+ }
+ };
+
+ // Set up sending of message for when the socket is open.
+ self._ws_socket.onopen = function() {
+ if (self.to) {
+ clearTimeout(self.to);
+ }
+ self.ws_sleep = 1000;
+ self.ws_cnt = 0;
+ if (self.options.onWSConnect) {
+ self.options.onWSConnect(self);
+ }
+
+ var req;
+ // Send the requests.
+ while ((req = $.JsonRpcClient.q.pop())) {
+ self._ws_socket.send(req);
+ }
+ };
+ }
+ }
+
+ return self._ws_socket ? true : false;
+ };
+
+ $.JsonRpcClient.prototype.stopRetrying = function() {
+ if (self.to)
+ clearTimeout(self.to);
+ }
+
+ $.JsonRpcClient.prototype._getSocket = function(onmessage_cb) {
+ // If there is no ws url set, we don't have a socket.
+ // Likewise, if there is no window.WebSocket.
+ if (this.options.socketUrl === null || !("WebSocket" in window)) return null;
+
+ this.connectSocket(onmessage_cb);
+
+ return this._ws_socket;
+ };
+
+ /**
+ * Queue to save messages delivered when websocket is not ready
+ */
+ $.JsonRpcClient.q = [];
+
+ /**
+ * Internal handler to dispatch a JRON-RPC request through a websocket.
+ *
+ * @fn _wsCall
+ * @memberof $.JsonRpcClient
+ */
+ $.JsonRpcClient.prototype._wsCall = function(socket, request, success_cb, error_cb) {
+ var request_json = $.toJSON(request);
+
+ if (socket.readyState < 1) {
+ // The websocket is not open yet; we have to set sending of the message in onopen.
+ self = this; // In closure below, this is set to the WebSocket. Use self instead.
+ $.JsonRpcClient.q.push(request_json);
+ } else {
+ // We have a socket and it should be ready to send on.
+ socket.send(request_json);
+ }
+
+ // Setup callbacks. If there is an id, this is a call and not a notify.
+ if ('id' in request && typeof success_cb !== 'undefined') {
+ this._ws_callbacks[request.id] = { request: request_json, request_obj: request, success_cb: success_cb, error_cb: error_cb };
+ }
+ };
+
+ /**
+ * Internal handler for the websocket messages. It determines if the message is a JSON-RPC
+ * response, and if so, tries to couple it with a given callback. Otherwise, it falls back to
+ * given external onmessage-handler, if any.
+ *
+ * @param event The websocket onmessage-event.
+ */
+ $.JsonRpcClient.prototype._wsOnMessage = function(event) {
+ // Check if this could be a JSON RPC message.
+ var response;
+
+ // Special sub proto
+ if (event.data[0] == "#" && event.data[1] == "S" && event.data[2] == "P") {
+ if (event.data[3] == "U") {
+ this.up_dur = parseInt(event.data.substring(4));
+ } else if (this.speedCB && event.data[3] == "D") {
+ this.down_dur = parseInt(event.data.substring(4));
+
+ var up_kps = (((this.speedBytes * 8) / (this.up_dur / 1000)) / 1024).toFixed(0);
+ var down_kps = (((this.speedBytes * 8) / (this.down_dur / 1000)) / 1024).toFixed(0);
+
+ console.info("Speed Test: Up: " + up_kps + " Down: " + down_kps);
+ var cb = this.speedCB;
+ this.speedCB = null;
+ cb(event, {
+ upDur: this.up_dur,
+ downDur: this.down_dur,
+ upKPS: up_kps,
+ downKPS: down_kps
+ });
+ }
+
+ return;
+ }
+
+
+ try {
+ response = $.parseJSON(event.data);
+
+ /// @todo Make using the jsonrcp 2.0 check optional, to use this on JSON-RPC 1 backends.
+
+ if (typeof response === 'object' &&
+ 'jsonrpc' in response &&
+ response.jsonrpc === '2.0') {
+
+ /// @todo Handle bad response (without id).
+
+ // If this is an object with result, it is a response.
+ if ('result' in response && this._ws_callbacks[response.id]) {
+ // Get the success callback.
+ var success_cb = this._ws_callbacks[response.id].success_cb;
+
+ /*
+ // set the sessid if present
+ if ('sessid' in response.result && !this.options.sessid || (this.options.sessid != response.result.sessid)) {
+ this.options.sessid = response.result.sessid;
+ if (this.options.sessid) {
+ console.log("setting session UUID to: " + this.options.sessid);
+ }
+ }
+ */
+ // Delete the callback from the storage.
+ delete this._ws_callbacks[response.id];
+
+ // Run callback with result as parameter.
+ success_cb(response.result, this);
+ return;
+ } else if ('error' in response && this._ws_callbacks[response.id]) {
+ // If this is an object with error, it is an error response.
+
+ // Get the error callback.
+ var error_cb = this._ws_callbacks[response.id].error_cb;
+ var orig_req = this._ws_callbacks[response.id].request;
+
+ // if this is an auth request, send the credentials and resend the failed request
+ if (!self.authing && response.error.code == -32000 && self.options.login && self.options.passwd) {
+ self.authing = true;
+
+ this.call("login", { login: self.options.login, passwd: self.options.passwd, loginParams: self.options.loginParams,
+ userVariables: self.options.userVariables},
+ this._ws_callbacks[response.id].request_obj.method == "login" ?
+ function(e) {
+ self.authing = false;
+ console.log("logged in");
+ delete self._ws_callbacks[response.id];
+
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(true, self);
+ }
+ }
+
+ :
+
+ function(e) {
+ self.authing = false;
+ console.log("logged in, resending request id: " + response.id);
+ var socket = self.options.getSocket(self.wsOnMessage);
+ if (socket !== null) {
+ socket.send(orig_req);
+ }
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(true, self);
+ }
+ },
+
+ function(e) {
+ console.log("error logging in, request id:", response.id);
+ delete self._ws_callbacks[response.id];
+ error_cb(response.error, this);
+ if (self.options.onWSLogin) {
+ self.options.onWSLogin(false, self);
+ }
+ });
+ return;
+ }
+
+ // Delete the callback from the storage.
+ delete this._ws_callbacks[response.id];
+
+ // Run callback with the error object as parameter.
+ error_cb(response.error, this);
+ return;
+ }
+ }
+ } catch (err) {
+ // Probably an error while parsing a non json-string as json. All real JSON-RPC cases are
+ // handled above, and the fallback method is called below.
+ console.log("ERROR: "+ err);
+ return;
+ }
+
+ // This is not a JSON-RPC response. Call the fallback message handler, if given.
+ if (typeof this.options.onmessage === 'function') {
+ event.eventData = response;
+ if (!event.eventData) {
+ event.eventData = {};
+ }
+
+ var reply = this.options.onmessage(event);
+
+ if (reply && typeof reply === "object" && event.eventData.id) {
+ var msg = {
+ jsonrpc: "2.0",
+ id: event.eventData.id,
+ result: reply
+ };
+
+ var socket = self.options.getSocket(self.wsOnMessage);
+ if (socket !== null) {
+ socket.send($.toJSON(msg));
+ }
+ }
+ }
+ };
+
+
+ /************************************************************************************************
+ * Batch object with methods
+ ************************************************************************************************/
+
+ /**
+ * Handling object for batch calls.
+ */
+ $.JsonRpcClient._batchObject = function(jsonrpcclient, all_done_cb, error_cb) {
+ // Array of objects to hold the call and notify requests. Each objects will have the request
+ // object, and unless it is a notify, success_cb and error_cb.
+ this._requests = [];
+
+ this.jsonrpcclient = jsonrpcclient;
+ this.all_done_cb = all_done_cb;
+ this.error_cb = typeof error_cb === 'function' ? error_cb : function() {};
+
+ };
+
+ /**
+ * @sa $.JsonRpcClient.prototype.call
+ */
+ $.JsonRpcClient._batchObject.prototype.call = function(method, params, success_cb, error_cb) {
+
+ if (!params) {
+ params = {};
+ }
+
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ if (!success_cb) {
+ success_cb = function(e){console.log("Success: ", e);};
+ }
+
+ if (!error_cb) {
+ error_cb = function(e){console.log("Error: ", e);};
+ }
+
+ this._requests.push({
+ request : {
+ jsonrpc : '2.0',
+ method : method,
+ params : params,
+ id : this.jsonrpcclient._current_id++ // Use the client's id series.
+ },
+ success_cb : success_cb,
+ error_cb : error_cb
+ });
+ };
+
+ /**
+ * @sa $.JsonRpcClient.prototype.notify
+ */
+ $.JsonRpcClient._batchObject.prototype.notify = function(method, params) {
+ if (this.options.sessid) {
+ params.sessid = this.options.sessid;
+ }
+
+ this._requests.push({
+ request : {
+ jsonrpc : '2.0',
+ method : method,
+ params : params
+ }
+ });
+ };
+
+ /**
+ * Executes the batched up calls.
+ */
+ $.JsonRpcClient._batchObject.prototype._execute = function() {
+ var self = this;
+
+ if (this._requests.length === 0) return; // All done :P
+
+ // Collect all request data and sort handlers by request id.
+ var batch_request = [];
+ var handlers = {};
+ var i = 0;
+ var call;
+ var success_cb;
+ var error_cb;
+
+ // If we have a WebSocket, just send the requests individually like normal calls.
+ var socket = self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);
+ if (socket !== null) {
+ for (i = 0; i < this._requests.length; i++) {
+ call = this._requests[i];
+ success_cb = ('success_cb' in call) ? call.success_cb : undefined;
+ error_cb = ('error_cb' in call) ? call.error_cb : undefined;
+ self.jsonrpcclient._wsCall(socket, call.request, success_cb, error_cb);
+ }
+
+ if (typeof all_done_cb === 'function') all_done_cb(result);
+ return;
+ }
+
+ for (i = 0; i < this._requests.length; i++) {
+ call = this._requests[i];
+ batch_request.push(call.request);
+
+ // If the request has an id, it should handle returns (otherwise it's a notify).
+ if ('id' in call.request) {
+ handlers[call.request.id] = {
+ success_cb : call.success_cb,
+ error_cb : call.error_cb
+ };
+ }
+ }
+
+ success_cb = function(data) { self._batchCb(data, handlers, self.all_done_cb); };
+
+ // No WebSocket, and no HTTP backend? This won't work.
+ if (self.jsonrpcclient.options.ajaxUrl === null) {
+ throw "$.JsonRpcClient.batch used with no websocket and no http endpoint.";
+ }
+
+ // Send request
+ $.ajax({
+ url : self.jsonrpcclient.options.ajaxUrl,
+ data : $.toJSON(batch_request),
+ dataType : 'json',
+ cache : false,
+ type : 'POST',
+
+ // Batch-requests should always return 200
+ error : function(jqXHR, textStatus, errorThrown) {
+ self.error_cb(jqXHR, textStatus, errorThrown);
+ },
+ success : success_cb
+ });
+ };
+
+ /**
+ * Internal helper to match the result array from a batch call to their respective callbacks.
+ *
+ * @fn _batchCb
+ * @memberof $.JsonRpcClient
+ */
+ $.JsonRpcClient._batchObject.prototype._batchCb = function(result, handlers, all_done_cb) {
+ for (var i = 0; i < result.length; i++) {
+ var response = result[i];
+
+ // Handle error
+ if ('error' in response) {
+ if (response.id === null || !(response.id in handlers)) {
+ // An error on a notify? Just log it to the console.
+ if ('console' in window) console.log(response);
+ } else {
+ handlers[response.id].error_cb(response.error, this);
+ }
+ } else {
+ // Here we should always have a correct id and no error.
+ if (!(response.id in handlers) && 'console' in window) {
+ console.log(response);
+ } else {
+ handlers[response.id].success_cb(response.result, this);
+ }
+ }
+ }
+
+ if (typeof all_done_cb === 'function') all_done_cb(result);
+ };
+
+})(jQuery);
+
+/*
+ * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ * Copyright (C) 2005-2014, Anthony Minessale II
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II
+ *
+ * jquery.verto.js - Main interface
+ *
+ */
+
+(function($) {
+ var sources = [];
+
+ var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
+ function() {
+ // If we have a cryptographically secure PRNG, use that
+ // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
+ var buf = new Uint16Array(8);
+ window.crypto.getRandomValues(buf);
+ var S4 = function(num) {
+ var ret = num.toString(16);
+ while (ret.length < 4) {
+ ret = "0" + ret;
+ }
+ return ret;
+ };
+ return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
+ }
+
+ :
+
+ function() {
+ // Otherwise, just use Math.random
+ // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
+ return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+ var r = Math.random() * 16 | 0,
+ v = c == 'x' ? r : (r & 0x3 | 0x8);
+ return v.toString(16);
+ });
+ };
+
+ /// MASTER OBJ
+ $.verto = function(options, callbacks) {
+ var verto = this;
+
+ $.verto.saved.push(verto);
+
+ verto.options = $.extend({
+ login: null,
+ passwd: null,
+ socketUrl: null,
+ tag: null,
+ localTag: null,
+ videoParams: {},
+ audioParams: {},
+ loginParams: {},
+ deviceParams: {onResCheck: null},
+ userVariables: {},
+ iceServers: false,
+ ringSleep: 6000,
+ sessid: null,
+ useStream: null
+ }, options);
+
+ if (verto.options.deviceParams.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
+ }
+
+ if (!verto.options.deviceParams.useMic) {
+ verto.options.deviceParams.useMic = "any";
+ }
+
+ if (!verto.options.deviceParams.useSpeak) {
+ verto.options.deviceParams.useSpeak = "any";
+ }
+
+ if (verto.options.sessid) {
+ verto.sessid = verto.options.sessid;
+ } else {
+ verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
+ localStorage.setItem("verto_session_uuid", verto.sessid);
+ }
+
+ verto.dialogs = {};
+ verto.callbacks = callbacks || {};
+ verto.eventSUBS = {};
+
+ verto.rpcClient = new $.JsonRpcClient({
+ login: verto.options.login,
+ passwd: verto.options.passwd,
+ socketUrl: verto.options.socketUrl,
+ wsFallbackURL: verto.options.wsFallbackURL,
+ turnServer: verto.options.turnServer,
+ loginParams: verto.options.loginParams,
+ userVariables: verto.options.userVariables,
+ sessid: verto.sessid,
+ onmessage: function(e) {
+ return verto.handleMessage(e.eventData);
+ },
+ onWSConnect: function(o) {
+ o.call('login', {});
+ },
+ onWSLogin: function(success) {
+ if (verto.callbacks.onWSLogin) {
+ verto.callbacks.onWSLogin(verto, success);
+ }
+ },
+ onWSClose: function(success) {
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, success);
+ }
+ verto.purge();
+ }
+ });
+
+ var tag = verto.options.tag;
+ if (typeof(tag) === "function") {
+ tag = tag();
+ }
+
+ if (verto.options.ringFile && verto.options.tag) {
+ verto.ringer = $("#" + tag);
+ }
+
+ verto.rpcClient.call('login', {});
+
+ };
+
+
+ $.verto.prototype.deviceParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.deviceParams[i] = obj[i];
+ }
+
+ if (obj.useCamera) {
+ $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
+ }
+ };
+
+ $.verto.prototype.videoParams = function(obj) {
+ var verto = this;
+
+ for (var i in obj) {
+ verto.options.videoParams[i] = obj[i];
+ }
+ };
+
+ $.verto.prototype.iceServers = function(obj) {
+ var verto = this;
+ verto.options.iceServers = obj;
+ };
+
+ $.verto.prototype.loginData = function(params) {
+ var verto = this;
+ verto.options.login = params.login;
+ verto.options.passwd = params.passwd;
+ verto.rpcClient.loginData(params);
+ };
+
+ $.verto.prototype.logout = function(msg) {
+ var verto = this;
+ verto.rpcClient.closeSocket();
+ if (verto.callbacks.onWSClose) {
+ verto.callbacks.onWSClose(verto, false);
+ }
+ verto.purge();
+ };
+
+ $.verto.prototype.login = function(msg) {
+ var verto = this;
+ verto.logout();
+ verto.rpcClient.call('login', {});
+ };
+
+ $.verto.prototype.message = function(msg) {
+ var verto = this;
+ var err = 0;
+
+ if (!msg.to) {
+ console.error("Missing To");
+ err++;
+ }
+
+ if (!msg.body) {
+ console.error("Missing Body");
+ err++;
+ }
+
+ if (err) {
+ return false;
+ }
+
+ verto.sendMethod("verto.info", {
+ msg: msg
+ });
+
+ return true;
+ };
+
+ $.verto.prototype.processReply = function(method, success, e) {
+ var verto = this;
+ var i;
+
+ //console.log("Response: " + method, success, e);
+
+ switch (method) {
+ case "verto.subscribe":
+ for (i in e.unauthorizedChannels) {
+ drop_bad(verto, e.unauthorizedChannels[i]);
+ }
+ for (i in e.subscribedChannels) {
+ mark_ready(verto, e.subscribedChannels[i]);
+ }
+
+ break;
+ case "verto.unsubscribe":
+ //console.error(e);
+ break;
+ }
+ };
+
+ $.verto.prototype.sendMethod = function(method, params) {
+ var verto = this;
+
+ verto.rpcClient.call(method, params,
+
+ function(e) {
+ /* Success */
+ verto.processReply(method, true, e);
+ },
+
+ function(e) {
+ /* Error */
+ verto.processReply(method, false, e);
+ });
+ };
+
+ function do_sub(verto, channel, obj) {
+
+ }
+
+ function drop_bad(verto, channel) {
+ console.error("drop unauthorized channel: " + channel);
+ delete verto.eventSUBS[channel];
+ }
+
+ function mark_ready(verto, channel) {
+ for (var j in verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel][j].ready = true;
+ console.log("subscribed to channel: " + channel);
+ if (verto.eventSUBS[channel][j].readyHandler) {
+ verto.eventSUBS[channel][j].readyHandler(verto, channel);
+ }
+ }
+ }
+
+ var SERNO = 1;
+
+ function do_subscribe(verto, channel, subChannels, sparams) {
+ var params = sparams || {};
+
+ var local = params.local;
+
+ var obj = {
+ eventChannel: channel,
+ userData: params.userData,
+ handler: params.handler,
+ ready: false,
+ readyHandler: params.readyHandler,
+ serno: SERNO++
+ };
+
+ var isnew = false;
+
+ if (!verto.eventSUBS[channel]) {
+ verto.eventSUBS[channel] = [];
+ subChannels.push(channel);
+ isnew = true;
+ }
+
+ verto.eventSUBS[channel].push(obj);
+
+ if (local) {
+ obj.ready = true;
+ obj.local = true;
+ }
+
+ if (!isnew && verto.eventSUBS[channel][0].ready) {
+ obj.ready = true;
+ if (obj.readyHandler) {
+ obj.readyHandler(verto, channel);
+ }
+ }
+
+ return {
+ serno: obj.serno,
+ eventChannel: channel
+ };
+
+ }
+
+ $.verto.prototype.subscribe = function(channel, sparams) {
+ var verto = this;
+ var r = [];
+ var subChannels = [];
+ var params = sparams || {};
+
+ if (typeof(channel) === "string") {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ } else {
+ for (var i in channel) {
+ r.push(do_subscribe(verto, channel, subChannels, params));
+ }
+ }
+
+ if (subChannels.length) {
+ verto.sendMethod("verto.subscribe", {
+ eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
+ subParams: params.subParams
+ });
+ }
+
+ return r;
+ };
+
+ $.verto.prototype.unsubscribe = function(handle) {
+ var verto = this;
+ var i;
+
+ if (!handle) {
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ verto.unsubscribe(verto.eventSUBS[i]);
+ }
+ }
+ } else {
+ var unsubChannels = {};
+ var sendChannels = [];
+ var channel;
+
+ if (typeof(handle) == "string") {
+ delete verto.eventSUBS[handle];
+ unsubChannels[handle]++;
+ } else {
+ for (i in handle) {
+ if (typeof(handle[i]) == "string") {
+ channel = handle[i];
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ } else {
+ var repl = [];
+ channel = handle[i].eventChannel;
+
+ for (var j in verto.eventSUBS[channel]) {
+ if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
+ repl.push(verto.eventSUBS[channel][j]);
+ }
+ }
+
+ verto.eventSUBS[channel] = repl;
+
+ if (verto.eventSUBS[channel].length === 0) {
+ delete verto.eventSUBS[channel];
+ unsubChannels[channel]++;
+ }
+ }
+ }
+ }
+
+ for (var u in unsubChannels) {
+ console.log("Sending Unsubscribe for: ", u);
+ sendChannels.push(u);
+ }
+
+ if (sendChannels.length) {
+ verto.sendMethod("verto.unsubscribe", {
+ eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
+ });
+ }
+ }
+ };
+
+ $.verto.prototype.broadcast = function(channel, params) {
+ var verto = this;
+ var msg = {
+ eventChannel: channel,
+ data: {}
+ };
+ for (var i in params) {
+ msg.data[i] = params[i];
+ }
+ verto.sendMethod("verto.broadcast", msg);
+ };
+
+ $.verto.prototype.purge = function(callID) {
+ var verto = this;
+ var x = 0;
+ var i;
+
+ for (i in verto.dialogs) {
+ if (!x) {
+ console.log("purging dialogs");
+ }
+ x++;
+ verto.dialogs[i].setState($.verto.enum.state.purge);
+ }
+
+ for (i in verto.eventSUBS) {
+ if (verto.eventSUBS[i]) {
+ console.log("purging subscription: " + i);
+ delete verto.eventSUBS[i];
+ }
+ }
+ };
+
+ $.verto.prototype.hangup = function(callID) {
+ var verto = this;
+ if (callID) {
+ var dialog = verto.dialogs[callID];
+
+ if (dialog) {
+ dialog.hangup();
+ }
+ } else {
+ for (var i in verto.dialogs) {
+ verto.dialogs[i].hangup();
+ }
+ }
+ };
+
+ $.verto.prototype.newCall = function(args, callbacks) {
+ var verto = this;
+
+ if (!verto.rpcClient.socketReady()) {
+ console.error("Not Connected...");
+ return;
+ }
+
+ if (args["useCamera"]) {
+ verto.options.deviceParams["useCamera"] = args["useCamera"];
+ }
+
+ var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
+
+ if (callbacks) {
+ dialog.callbacks = callbacks;
+ }
+
+ dialog.invite();
+
+ return dialog;
+ };
+
+ $.verto.prototype.handleMessage = function(data) {
+ var verto = this;
+
+ if (!(data && data.method)) {
+ console.error("Invalid Data", data);
+ return;
+ }
+
+ if (data.params.callID) {
+ var dialog = verto.dialogs[data.params.callID];
+
+ if (data.method === "verto.attach" && dialog) {
+ delete dialog.verto.dialogs[dialog.callID];
+ dialog.rtc.stop();
+ dialog = null;
+ }
+
+ if (dialog) {
+
+ switch (data.method) {
+ case 'verto.bye':
+ dialog.hangup(data.params);
+ break;
+ case 'verto.answer':
+ dialog.handleAnswer(data.params);
+ break;
+ case 'verto.media':
+ dialog.handleMedia(data.params);
+ break;
+ case 'verto.display':
+ dialog.handleDisplay(data.params);
+ break;
+ case 'verto.info':
+ dialog.handleInfo(data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
+ break;
+ }
+ } else {
+
+ switch (data.method) {
+ case 'verto.attach':
+ data.params.attach = true;
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.useVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ dialog.setState($.verto.enum.state.recovering);
+
+ break;
+ case 'verto.invite':
+
+ if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
+ data.params.wantVideo = true;
+ }
+
+ if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
+ data.params.useStereo = true;
+ }
+
+ dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
+ break;
+ default:
+ console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
+ break;
+ }
+ }
+
+ return {
+ method: data.method
+ };
+ } else {
+ switch (data.method) {
+ case 'verto.punt':
+ verto.purge();
+ verto.logout();
+ break;
+ case 'verto.event':
+ var list = null;
+ var key = null;
+
+ if (data.params) {
+ key = data.params.eventChannel;
+ }
+
+ if (key) {
+ list = verto.eventSUBS[key];
+
+ if (!list) {
+ list = verto.eventSUBS[key.split(".")[0]];
+ }
+ }
+
+ if (!list && key && key === verto.sessid) {
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
+ }
+ } else if (!list && key && verto.dialogs[key]) {
+ verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
+ } else if (!list) {
+ if (!key) {
+ key = "UNDEFINED";
+ }
+ console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
+ } else {
+ for (var i in list) {
+ var sub = list[i];
+
+ if (!sub || !sub.ready) {
+ console.error("invalid EVENT for " + key + " IGNORED");
+ } else if (sub.handler) {
+ sub.handler(verto, data.params, sub.userData);
+ } else if (verto.callbacks.onEvent) {
+ verto.callbacks.onEvent(verto, data.params, sub.userData);
+ } else {
+ console.log("EVENT:", data.params);
+ }
+ }
+ }
+
+ break;
+
+ case "verto.info":
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
+ }
+ //console.error(data);
+ console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
+
+ break;
+
+ case 'verto.clientReady':
+ if (verto.callbacks.onMessage) {
+ verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
+ }
+ console.debug("CLIENT READY", data.params);
+ break;
+
+ default:
+ console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
+ break;
+ }
+ }
+ };
+
+ var del_array = function(array, name) {
+ var r = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] != name) {
+ r.push(array[i]);
+ }
+ }
+
+ return r;
+ };
+
+ var hashArray = function() {
+ var vha = this;
+
+ var hash = {};
+ var array = [];
+
+ vha.reorder = function(a) {
+ array = a;
+ var h = hash;
+ hash = {};
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ if (h[key]) {
+ hash[key] = h[key];
+ delete h[key];
+ }
+ }
+ h = undefined;
+ };
+
+ vha.clear = function() {
+ hash = undefined;
+ array = undefined;
+ hash = {};
+ array = [];
+ };
+
+ vha.add = function(name, val, insertAt) {
+ var redraw = false;
+
+ if (!hash[name]) {
+ if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
+ array.push(name);
+ } else {
+ var x = 0;
+ var n = [];
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (x++==insertAt) {
+ n.push(name);
+ }
+ n.push(array[i]);
+ }
+
+ array = undefined;
+ array = n;
+ n = undefined;
+ redraw = true;
+ }
+ }
+
+ hash[name] = val;
+
+ return redraw;
+ };
+
+ vha.del = function(name) {
+ var r = false;
+
+ if (hash[name]) {
+ array = del_array(array, name);
+ delete hash[name];
+ r = true;
+ } else {
+ console.error("can't del nonexistant key " + name);
+ }
+
+ return r;
+ };
+
+ vha.get = function(name) {
+ return hash[name];
+ };
+
+ vha.order = function() {
+ return array;
+ };
+
+ vha.hash = function() {
+ return hash;
+ };
+
+ vha.indexOf = function(name) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ if (array[i] == name) {
+ return i;
+ }
+ }
+ };
+
+ vha.arrayLen = function() {
+ return array.length;
+ };
+
+ vha.asArray = function() {
+ var r = [];
+
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ var key = array[i];
+ r.push(hash[key]);
+ }
+
+ return r;
+ };
+
+ vha.each = function(cb) {
+ var len = array.length;
+
+ for (var i = 0; i < len; i++) {
+ cb(array[i], hash[array[i]]);
+ }
+ };
+
+ vha.dump = function(html) {
+ var str = "";
+
+ vha.each(function(name, val) {
+ str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
+ "Stop " +
+ "Record " +
+ "Record Stop " +
+ (confMan.params.hasVid ? "PNG Snapshot " : "") +
+ "
";
+
+ jq.html(html);
+
+ $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
+ var val = $("#" + id + " option:selected").text();
+ if (val !== "none") {
+ confMan.modCommand("vid-layout", null, [val, canvas_id]);
+ }
+ };
+
+ if (confMan.params.hasVid) {
+ for (var j = 0; j < confMan.canvasCount; j++) {
+ var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
+ var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
+
+
+ var vlhtml = "Video Layout Canvas " + (j+1) +
+ "
";
+ jq.append(vlhtml);
+ }
+
+ $("#" + snapshot_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("vid-write-png", null, file);
+ }
+ });
+ }
+
+ $("#" + play_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("play", null, file);
+ }
+ });
+
+ $("#" + stop_id).click(function() {
+ confMan.modCommand("stop", null, "all");
+ });
+
+ $("#" + recording_id).click(function() {
+ var file = prompt("Please enter file name", "");
+ if (file) {
+ confMan.modCommand("recording", null, ["start", file]);
+ }
+ });
+
+ $("#" + rec_stop_id).click(function() {
+ confMan.modCommand("recording", null, ["stop", "all"]);
+ });
+
+ }
+
+ function genControls(jq, rowid) {
+ var x = parseInt(rowid);
+ var kick_id = "kick_" + x;
+ var canvas_in_next_id = "canvas_in_next_" + x;
+ var canvas_in_prev_id = "canvas_in_prev_" + x;
+ var canvas_out_next_id = "canvas_out_next_" + x;
+ var canvas_out_prev_id = "canvas_out_prev_" + x;
+
+ var canvas_in_set_id = "canvas_in_set_" + x;
+ var canvas_out_set_id = "canvas_out_set_" + x;
+
+ var layer_set_id = "layer_set_" + x;
+ var layer_next_id = "layer_next_" + x;
+ var layer_prev_id = "layer_prev_" + x;
+
+ var tmute_id = "tmute_" + x;
+ var tvmute_id = "tvmute_" + x;
+ var vbanner_id = "vbanner_" + x;
+ var tvpresenter_id = "tvpresenter_" + x;
+ var tvfloor_id = "tvfloor_" + x;
+ var box_id = "box_" + x;
+ var gainup_id = "gain_in_up" + x;
+ var gaindn_id = "gain_in_dn" + x;
+ var volup_id = "vol_in_up" + x;
+ var voldn_id = "vol_in_dn" + x;
+ var transfer_id = "transfer" + x;
+
+
+ var html = "";
+
+ html += "General Controls
Kick " +
+ "Mute " +
+ "Gain - " +
+ "Gain + " +
+ "Vol - " +
+ "Vol + " +
+ "Transfer ";
+
+ if (confMan.params.hasVid) {
+ html += "Video Controls VMute " +
+ "Presenter " +
+ "Vid Floor " +
+ "Banner ";
+
+ if (confMan.canvasCount > 1) {
+ html += "Canvas Controls Set Input Canvas " +
+ "Prev Input Canvas " +
+ "Next Input Canvas " +
+
+ "Set Watching Canvas " +
+ "Prev Watching Canvas " +
+ "Next Watching Canvas ";
+ }
+
+ html += "Set Layer " +
+ "Prev Layer " +
+ "Next Layer " +
+
+
+
+ "";
+ }
+
+ jq.html(html);
+
+
+ if (!jq.data("mouse")) {
+ $("#" + box_id).hide();
+ }
+
+ jq.mouseover(function(e) {
+ jq.data({"mouse": true});
+ $("#" + box_id).show();
+ });
+
+ jq.mouseout(function(e) {
+ jq.data({"mouse": false});
+ $("#" + box_id).hide();
+ });
+
+ $("#" + transfer_id).click(function() {
+ var xten = prompt("Enter Extension");
+ if (xten) {
+ confMan.modCommand("transfer", x, xten);
+ }
+ });
+
+ $("#" + kick_id).click(function() {
+ confMan.modCommand("kick", x);
+ });
+
+
+ $("#" + layer_set_id).click(function() {
+ var cid = prompt("Please enter layer ID", "");
+ if (cid) {
+ confMan.modCommand("vid-layer", x, cid);
+ }
+ });
+
+ $("#" + layer_next_id).click(function() {
+ confMan.modCommand("vid-layer", x, "next");
+ });
+ $("#" + layer_prev_id).click(function() {
+ confMan.modCommand("vid-layer", x, "prev");
+ });
+
+ $("#" + canvas_in_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_out_set_id).click(function() {
+ var cid = prompt("Please enter canvas ID", "");
+ if (cid) {
+ confMan.modCommand("vid-watching-canvas", x, cid);
+ }
+ });
+
+ $("#" + canvas_in_next_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "next");
+ });
+ $("#" + canvas_in_prev_id).click(function() {
+ confMan.modCommand("vid-canvas", x, "prev");
+ });
+
+
+ $("#" + canvas_out_next_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "next");
+ });
+ $("#" + canvas_out_prev_id).click(function() {
+ confMan.modCommand("vid-watching-canvas", x, "prev");
+ });
+
+ $("#" + tmute_id).click(function() {
+ confMan.modCommand("tmute", x);
+ });
+
+ if (confMan.params.hasVid) {
+ $("#" + tvmute_id).click(function() {
+ confMan.modCommand("tvmute", x);
+ });
+ $("#" + tvpresenter_id).click(function() {
+ confMan.modCommand("vid-res-id", x, "presenter");
+ });
+ $("#" + tvfloor_id).click(function() {
+ confMan.modCommand("vid-floor", x, "force");
+ });
+ $("#" + vbanner_id).click(function() {
+ var text = prompt("Please enter text", "");
+ if (text) {
+ confMan.modCommand("vid-banner", x, escape(text));
+ }
+ });
+ }
+
+ $("#" + gainup_id).click(function() {
+ confMan.modCommand("volume_in", x, "up");
+ });
+
+ $("#" + gaindn_id).click(function() {
+ confMan.modCommand("volume_in", x, "down");
+ });
+
+ $("#" + volup_id).click(function() {
+ confMan.modCommand("volume_out", x, "up");
+ });
+
+ $("#" + voldn_id).click(function() {
+ confMan.modCommand("volume_out", x, "down");
+ });
+
+ return html;
+ }
+
+ var atitle = "";
+ var awidth = 0;
+
+ //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
+
+ verto.subscribe(confMan.params.laData.infoChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.infoCallback) === "function") {
+ confMan.params.infoCallback(v,e);
+ }
+ }
+ });
+
+ verto.subscribe(confMan.params.laData.chatChannel, {
+ handler: function(v, e) {
+ if (typeof(confMan.params.chatCallback) === "function") {
+ confMan.params.chatCallback(v,e);
+ }
+ }
+ });
+
+ if (confMan.params.laData.role === "moderator") {
+ atitle = "Action";
+ awidth = 600;
+
+ if (confMan.params.mainModID) {
+ genMainMod($(confMan.params.mainModID));
+ $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
+ url.indexOf('?transport=udp') === -1;
+ });
+
+ delete server.url;
+ server.urls = isString ? urls[0] : urls;
+ return !!urls.length;
+ }
+ });
+}
+
+// Determines the intersection of local and remote capabilities.
+function getCommonCapabilities(localCapabilities, remoteCapabilities) {
+ var commonCapabilities = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: []
+ };
+
+ var findCodecByPayloadType = function(pt, codecs) {
+ pt = parseInt(pt, 10);
+ for (var i = 0; i < codecs.length; i++) {
+ if (codecs[i].payloadType === pt ||
+ codecs[i].preferredPayloadType === pt) {
+ return codecs[i];
+ }
+ }
+ };
+
+ var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
+ var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
+ var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
+ return lCodec && rCodec &&
+ lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
+ };
+
+ localCapabilities.codecs.forEach(function(lCodec) {
+ for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
+ var rCodec = remoteCapabilities.codecs[i];
+ if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
+ lCodec.clockRate === rCodec.clockRate) {
+ if (lCodec.name.toLowerCase() === 'rtx' &&
+ lCodec.parameters && rCodec.parameters.apt) {
+ // for RTX we need to find the local rtx that has a apt
+ // which points to the same local codec as the remote one.
+ if (!rtxCapabilityMatches(lCodec, rCodec,
+ localCapabilities.codecs, remoteCapabilities.codecs)) {
+ continue;
+ }
+ }
+ rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
+ // number of channels is the highest common number of channels
+ rCodec.numChannels = Math.min(lCodec.numChannels,
+ rCodec.numChannels);
+ // push rCodec so we reply with offerer payload type
+ commonCapabilities.codecs.push(rCodec);
+
+ // determine common feedback mechanisms
+ rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
+ for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
+ if (lCodec.rtcpFeedback[j].type === fb.type &&
+ lCodec.rtcpFeedback[j].parameter === fb.parameter) {
+ return true;
+ }
+ }
+ return false;
+ });
+ // FIXME: also need to determine .parameters
+ // see https://github.com/openpeer/ortc/issues/569
+ break;
+ }
+ }
+ });
+
+ localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
+ for (var i = 0; i < remoteCapabilities.headerExtensions.length;
+ i++) {
+ var rHeaderExtension = remoteCapabilities.headerExtensions[i];
+ if (lHeaderExtension.uri === rHeaderExtension.uri) {
+ commonCapabilities.headerExtensions.push(rHeaderExtension);
+ break;
+ }
+ }
+ });
+
+ // FIXME: fecMechanisms
+ return commonCapabilities;
+}
+
+// is action=setLocalDescription with type allowed in signalingState
+function isActionAllowedInSignalingState(action, type, signalingState) {
+ return {
+ offer: {
+ setLocalDescription: ['stable', 'have-local-offer'],
+ setRemoteDescription: ['stable', 'have-remote-offer']
+ },
+ answer: {
+ setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
+ setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
+ }
+ }[type][action].indexOf(signalingState) !== -1;
+}
+
+function maybeAddCandidate(iceTransport, candidate) {
+ // Edge's internal representation adds some fields therefore
+ // not all fieldѕ are taken into account.
+ var alreadyAdded = iceTransport.getRemoteCandidates()
+ .find(function(remoteCandidate) {
+ return candidate.foundation === remoteCandidate.foundation &&
+ candidate.ip === remoteCandidate.ip &&
+ candidate.port === remoteCandidate.port &&
+ candidate.priority === remoteCandidate.priority &&
+ candidate.protocol === remoteCandidate.protocol &&
+ candidate.type === remoteCandidate.type;
+ });
+ if (!alreadyAdded) {
+ iceTransport.addRemoteCandidate(candidate);
+ }
+ return !alreadyAdded;
+}
+
+
+// https://w3c.github.io/mediacapture-main/#mediastream
+// Helper function to add the track to the stream and
+// dispatch the event ourselves.
+function addTrackToStreamAndFireEvent(track, stream) {
+ stream.addTrack(track);
+ var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function removeTrackFromStreamAndFireEvent(track, stream) {
+ stream.removeTrack(track);
+ var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
+ e.track = track;
+ stream.dispatchEvent(e);
+}
+
+function fireAddTrack(pc, track, receiver, streams) {
+ var trackEvent = new Event('track');
+ trackEvent.track = track;
+ trackEvent.receiver = receiver;
+ trackEvent.transceiver = {receiver: receiver};
+ trackEvent.streams = streams;
+ window.setTimeout(function() {
+ pc._dispatchEvent('track', trackEvent);
+ });
+}
+
+function makeError(name, description) {
+ var e = new Error(description);
+ e.name = name;
+ return e;
+}
+
+module.exports = function(window, edgeVersion) {
+ var RTCPeerConnection = function(config) {
+ var pc = this;
+
+ var _eventTarget = document.createDocumentFragment();
+ ['addEventListener', 'removeEventListener', 'dispatchEvent']
+ .forEach(function(method) {
+ pc[method] = _eventTarget[method].bind(_eventTarget);
+ });
+
+ this.canTrickleIceCandidates = null;
+
+ this.needNegotiation = false;
+
+ this.localStreams = [];
+ this.remoteStreams = [];
+
+ this.localDescription = null;
+ this.remoteDescription = null;
+
+ this.signalingState = 'stable';
+ this.iceConnectionState = 'new';
+ this.iceGatheringState = 'new';
+
+ config = JSON.parse(JSON.stringify(config || {}));
+
+ this.usingBundle = config.bundlePolicy === 'max-bundle';
+ if (config.rtcpMuxPolicy === 'negotiate') {
+ throw(makeError('NotSupportedError',
+ 'rtcpMuxPolicy \'negotiate\' is not supported'));
+ } else if (!config.rtcpMuxPolicy) {
+ config.rtcpMuxPolicy = 'require';
+ }
+
+ switch (config.iceTransportPolicy) {
+ case 'all':
+ case 'relay':
+ break;
+ default:
+ config.iceTransportPolicy = 'all';
+ break;
+ }
+
+ switch (config.bundlePolicy) {
+ case 'balanced':
+ case 'max-compat':
+ case 'max-bundle':
+ break;
+ default:
+ config.bundlePolicy = 'balanced';
+ break;
+ }
+
+ config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
+
+ this._iceGatherers = [];
+ if (config.iceCandidatePoolSize) {
+ for (var i = config.iceCandidatePoolSize; i > 0; i--) {
+ this._iceGatherers = new window.RTCIceGatherer({
+ iceServers: config.iceServers,
+ gatherPolicy: config.iceTransportPolicy
+ });
+ }
+ } else {
+ config.iceCandidatePoolSize = 0;
+ }
+
+ this._config = config;
+
+ // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
+ // everything that is needed to describe a SDP m-line.
+ this.transceivers = [];
+
+ this._sdpSessionId = SDPUtils.generateSessionId();
+ this._sdpSessionVersion = 0;
+
+ this._dtlsRole = undefined; // role for a=setup to use in answers.
+
+ this._isClosed = false;
+ };
+
+ // set up event handlers on prototype
+ RTCPeerConnection.prototype.onicecandidate = null;
+ RTCPeerConnection.prototype.onaddstream = null;
+ RTCPeerConnection.prototype.ontrack = null;
+ RTCPeerConnection.prototype.onremovestream = null;
+ RTCPeerConnection.prototype.onsignalingstatechange = null;
+ RTCPeerConnection.prototype.oniceconnectionstatechange = null;
+ RTCPeerConnection.prototype.onicegatheringstatechange = null;
+ RTCPeerConnection.prototype.onnegotiationneeded = null;
+ RTCPeerConnection.prototype.ondatachannel = null;
+
+ RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
+ if (this._isClosed) {
+ return;
+ }
+ this.dispatchEvent(event);
+ if (typeof this['on' + name] === 'function') {
+ this['on' + name](event);
+ }
+ };
+
+ RTCPeerConnection.prototype._emitGatheringStateChange = function() {
+ var event = new Event('icegatheringstatechange');
+ this._dispatchEvent('icegatheringstatechange', event);
+ };
+
+ RTCPeerConnection.prototype.getConfiguration = function() {
+ return this._config;
+ };
+
+ RTCPeerConnection.prototype.getLocalStreams = function() {
+ return this.localStreams;
+ };
+
+ RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this.remoteStreams;
+ };
+
+ // internal helper to create a transceiver object.
+ // (whih is not yet the same as the WebRTC 1.0 transceiver)
+ RTCPeerConnection.prototype._createTransceiver = function(kind) {
+ var hasBundleTransport = this.transceivers.length > 0;
+ var transceiver = {
+ track: null,
+ iceGatherer: null,
+ iceTransport: null,
+ dtlsTransport: null,
+ localCapabilities: null,
+ remoteCapabilities: null,
+ rtpSender: null,
+ rtpReceiver: null,
+ kind: kind,
+ mid: null,
+ sendEncodingParameters: null,
+ recvEncodingParameters: null,
+ stream: null,
+ associatedRemoteMediaStreams: [],
+ wantReceive: true
+ };
+ if (this.usingBundle && hasBundleTransport) {
+ transceiver.iceTransport = this.transceivers[0].iceTransport;
+ transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
+ } else {
+ var transports = this._createIceAndDtlsTransports();
+ transceiver.iceTransport = transports.iceTransport;
+ transceiver.dtlsTransport = transports.dtlsTransport;
+ }
+ this.transceivers.push(transceiver);
+ return transceiver;
+ };
+
+ RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var alreadyExists = this.transceivers.find(function(s) {
+ return s.track === track;
+ });
+
+ if (alreadyExists) {
+ throw makeError('InvalidAccessError', 'Track already exists.');
+ }
+
+ if (this.signalingState === 'closed') {
+ throw makeError('InvalidStateError',
+ 'Attempted to call addTrack on a closed peerconnection.');
+ }
+
+ var transceiver;
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (!this.transceivers[i].track &&
+ this.transceivers[i].kind === track.kind) {
+ transceiver = this.transceivers[i];
+ }
+ }
+ if (!transceiver) {
+ transceiver = this._createTransceiver(track.kind);
+ }
+
+ this._maybeFireNegotiationNeeded();
+
+ if (this.localStreams.indexOf(stream) === -1) {
+ this.localStreams.push(stream);
+ }
+
+ transceiver.track = track;
+ transceiver.stream = stream;
+ transceiver.rtpSender = new window.RTCRtpSender(track,
+ transceiver.dtlsTransport);
+ return transceiver.rtpSender;
+ };
+
+ RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ if (edgeVersion >= 15025) {
+ stream.getTracks().forEach(function(track) {
+ pc.addTrack(track, stream);
+ });
+ } else {
+ // Clone is necessary for local demos mostly, attaching directly
+ // to two different senders does not work (build 10547).
+ // Fixed in 15025 (or earlier)
+ var clonedStream = stream.clone();
+ stream.getTracks().forEach(function(track, idx) {
+ var clonedTrack = clonedStream.getTracks()[idx];
+ track.addEventListener('enabled', function(event) {
+ clonedTrack.enabled = event.enabled;
+ });
+ });
+ clonedStream.getTracks().forEach(function(track) {
+ pc.addTrack(track, clonedStream);
+ });
+ }
+ };
+
+ RTCPeerConnection.prototype.removeTrack = function(sender) {
+ if (!(sender instanceof window.RTCRtpSender)) {
+ throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.');
+ }
+
+ var transceiver = this.transceivers.find(function(t) {
+ return t.rtpSender === sender;
+ });
+
+ if (!transceiver) {
+ throw makeError('InvalidAccessError',
+ 'Sender was not created by this connection.');
+ }
+ var stream = transceiver.stream;
+
+ transceiver.rtpSender.stop();
+ transceiver.rtpSender = null;
+ transceiver.track = null;
+ transceiver.stream = null;
+
+ // remove the stream from the set of local streams
+ var localStreams = this.transceivers.map(function(t) {
+ return t.stream;
+ });
+ if (localStreams.indexOf(stream) === -1 &&
+ this.localStreams.indexOf(stream) > -1) {
+ this.localStreams.splice(this.localStreams.indexOf(stream), 1);
+ }
+
+ this._maybeFireNegotiationNeeded();
+ };
+
+ RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ var sender = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+
+ RTCPeerConnection.prototype.getSenders = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpSender;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpSender;
+ });
+ };
+
+ RTCPeerConnection.prototype.getReceivers = function() {
+ return this.transceivers.filter(function(transceiver) {
+ return !!transceiver.rtpReceiver;
+ })
+ .map(function(transceiver) {
+ return transceiver.rtpReceiver;
+ });
+ };
+
+
+ RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
+ usingBundle) {
+ var pc = this;
+ if (usingBundle && sdpMLineIndex > 0) {
+ return this.transceivers[0].iceGatherer;
+ } else if (this._iceGatherers.length) {
+ return this._iceGatherers.shift();
+ }
+ var iceGatherer = new window.RTCIceGatherer({
+ iceServers: this._config.iceServers,
+ gatherPolicy: this._config.iceTransportPolicy
+ });
+ Object.defineProperty(iceGatherer, 'state',
+ {value: 'new', writable: true}
+ );
+
+ this.transceivers[sdpMLineIndex].candidates = [];
+ this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
+ var end = !event.candidate || Object.keys(event.candidate).length === 0;
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ iceGatherer.state = end ? 'completed' : 'gathering';
+ if (pc.transceivers[sdpMLineIndex].candidates !== null) {
+ pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
+ }
+ };
+ iceGatherer.addEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ return iceGatherer;
+ };
+
+ // start gathering from an RTCIceGatherer.
+ RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
+ var pc = this;
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer.onlocalcandidate) {
+ return;
+ }
+ var candidates = this.transceivers[sdpMLineIndex].candidates;
+ this.transceivers[sdpMLineIndex].candidates = null;
+ iceGatherer.removeEventListener('localcandidate',
+ this.transceivers[sdpMLineIndex].bufferCandidates);
+ iceGatherer.onlocalcandidate = function(evt) {
+ if (pc.usingBundle && sdpMLineIndex > 0) {
+ // if we know that we use bundle we can drop candidates with
+ // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
+ // confused since we dispose the extra ice gatherer.
+ return;
+ }
+ var event = new Event('icecandidate');
+ event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
+
+ var cand = evt.candidate;
+ // Edge emits an empty object for RTCIceCandidateComplete‥
+ var end = !cand || Object.keys(cand).length === 0;
+ if (end) {
+ // polyfill since RTCIceGatherer.state is not implemented in
+ // Edge 10547 yet.
+ if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
+ iceGatherer.state = 'completed';
+ }
+ } else {
+ if (iceGatherer.state === 'new') {
+ iceGatherer.state = 'gathering';
+ }
+ // RTCIceCandidate doesn't have a component, needs to be added
+ cand.component = 1;
+ event.candidate.candidate = SDPUtils.writeCandidate(cand);
+ }
+
+ // update local description.
+ var sections = SDPUtils.splitSections(pc.localDescription.sdp);
+ if (!end) {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=' + event.candidate.candidate + '\r\n';
+ } else {
+ sections[event.candidate.sdpMLineIndex + 1] +=
+ 'a=end-of-candidates\r\n';
+ }
+ pc.localDescription.sdp = sections.join('');
+ var complete = pc.transceivers.every(function(transceiver) {
+ return transceiver.iceGatherer &&
+ transceiver.iceGatherer.state === 'completed';
+ });
+
+ if (pc.iceGatheringState !== 'gathering') {
+ pc.iceGatheringState = 'gathering';
+ pc._emitGatheringStateChange();
+ }
+
+ // Emit candidate. Also emit null candidate when all gatherers are
+ // complete.
+ if (!end) {
+ pc._dispatchEvent('icecandidate', event);
+ }
+ if (complete) {
+ pc._dispatchEvent('icecandidate', new Event('icecandidate'));
+ pc.iceGatheringState = 'complete';
+ pc._emitGatheringStateChange();
+ }
+ };
+
+ // emit already gathered candidates.
+ window.setTimeout(function() {
+ candidates.forEach(function(candidate) {
+ var e = new Event('RTCIceGatherEvent');
+ e.candidate = candidate;
+ iceGatherer.onlocalcandidate(e);
+ });
+ }, 0);
+ };
+
+ // Create ICE transport and DTLS transport.
+ RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
+ var pc = this;
+ var iceTransport = new window.RTCIceTransport(null);
+ iceTransport.onicestatechange = function() {
+ pc._updateConnectionState();
+ };
+
+ var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
+ dtlsTransport.ondtlsstatechange = function() {
+ pc._updateConnectionState();
+ };
+ dtlsTransport.onerror = function() {
+ // onerror does not set state to failed by itpc.
+ Object.defineProperty(dtlsTransport, 'state',
+ {value: 'failed', writable: true});
+ pc._updateConnectionState();
+ };
+
+ return {
+ iceTransport: iceTransport,
+ dtlsTransport: dtlsTransport
+ };
+ };
+
+ // Destroy ICE gatherer, ICE transport and DTLS transport.
+ // Without triggering the callbacks.
+ RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
+ sdpMLineIndex) {
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+ if (iceGatherer) {
+ delete iceGatherer.onlocalcandidate;
+ delete this.transceivers[sdpMLineIndex].iceGatherer;
+ }
+ var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
+ if (iceTransport) {
+ delete iceTransport.onicestatechange;
+ delete this.transceivers[sdpMLineIndex].iceTransport;
+ }
+ var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
+ if (dtlsTransport) {
+ delete dtlsTransport.ondtlsstatechange;
+ delete dtlsTransport.onerror;
+ delete this.transceivers[sdpMLineIndex].dtlsTransport;
+ }
+ };
+
+ // Start the RTP Sender and Receiver for a transceiver.
+ RTCPeerConnection.prototype._transceive = function(transceiver,
+ send, recv) {
+ var params = getCommonCapabilities(transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+ if (send && transceiver.rtpSender) {
+ params.encodings = transceiver.sendEncodingParameters;
+ params.rtcp = {
+ cname: SDPUtils.localCName,
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.recvEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpSender.send(params);
+ }
+ if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
+ // remove RTX field in Edge 14942
+ if (transceiver.kind === 'video'
+ && transceiver.recvEncodingParameters
+ && edgeVersion < 15019) {
+ transceiver.recvEncodingParameters.forEach(function(p) {
+ delete p.rtx;
+ });
+ }
+ if (transceiver.recvEncodingParameters.length) {
+ params.encodings = transceiver.recvEncodingParameters;
+ }
+ params.rtcp = {
+ compound: transceiver.rtcpParameters.compound
+ };
+ if (transceiver.rtcpParameters.cname) {
+ params.rtcp.cname = transceiver.rtcpParameters.cname;
+ }
+ if (transceiver.sendEncodingParameters.length) {
+ params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
+ }
+ transceiver.rtpReceiver.receive(params);
+ }
+ };
+
+ RTCPeerConnection.prototype.setLocalDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setLocalDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set local ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var sections;
+ var sessionpart;
+ if (description.type === 'offer') {
+ // VERY limited support for SDP munging. Limited to:
+ // * changing the order of codecs
+ sections = SDPUtils.splitSections(description.sdp);
+ sessionpart = sections.shift();
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var caps = SDPUtils.parseRtpParameters(mediaSection);
+ pc.transceivers[sdpMLineIndex].localCapabilities = caps;
+ });
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ });
+ } else if (description.type === 'answer') {
+ sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
+ sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var transceiver = pc.transceivers[sdpMLineIndex];
+ var iceGatherer = transceiver.iceGatherer;
+ var iceTransport = transceiver.iceTransport;
+ var dtlsTransport = transceiver.dtlsTransport;
+ var localCapabilities = transceiver.localCapabilities;
+ var remoteCapabilities = transceiver.remoteCapabilities;
+
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+
+ if (!rejected && !transceiver.isDatachannel) {
+ var remoteIceParameters = SDPUtils.getIceParameters(
+ mediaSection, sessionpart);
+ var remoteDtlsParameters = SDPUtils.getDtlsParameters(
+ mediaSection, sessionpart);
+ if (isIceLite) {
+ remoteDtlsParameters.role = 'server';
+ }
+
+ if (!pc.usingBundle || sdpMLineIndex === 0) {
+ pc._gather(transceiver.mid, sdpMLineIndex);
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ isIceLite ? 'controlling' : 'controlled');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var params = getCommonCapabilities(localCapabilities,
+ remoteCapabilities);
+
+ // Start the RTCRtpSender. The RTCRtpReceiver for this
+ // transceiver has already been started in setRemoteDescription.
+ pc._transceive(transceiver,
+ params.codecs.length > 0,
+ false);
+ }
+ });
+ }
+
+ this.localDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-local-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.setRemoteDescription = function(description) {
+ var pc = this;
+
+ if (!isActionAllowedInSignalingState('setRemoteDescription',
+ description.type, this.signalingState) || this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not set remote ' + description.type +
+ ' in state ' + pc.signalingState));
+ }
+
+ var streams = {};
+ this.remoteStreams.forEach(function(stream) {
+ streams[stream.id] = stream;
+ });
+ var receiverList = [];
+ var sections = SDPUtils.splitSections(description.sdp);
+ var sessionpart = sections.shift();
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-lite').length > 0;
+ var usingBundle = SDPUtils.matchPrefix(sessionpart,
+ 'a=group:BUNDLE ').length > 0;
+ this.usingBundle = usingBundle;
+ var iceOptions = SDPUtils.matchPrefix(sessionpart,
+ 'a=ice-options:')[0];
+ if (iceOptions) {
+ this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
+ .indexOf('trickle') >= 0;
+ } else {
+ this.canTrickleIceCandidates = false;
+ }
+
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var kind = SDPUtils.getKind(mediaSection);
+ // treat bundle-only as not-rejected.
+ var rejected = SDPUtils.isRejected(mediaSection) &&
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
+ var protocol = lines[0].substr(2).split(' ')[2];
+
+ var direction = SDPUtils.getDirection(mediaSection, sessionpart);
+ var remoteMsid = SDPUtils.parseMsid(mediaSection);
+
+ var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
+
+ // Reject datachannels which are not implemented yet.
+ if (kind === 'application' && protocol === 'DTLS/SCTP') {
+ pc.transceivers[sdpMLineIndex] = {
+ mid: mid,
+ isDatachannel: true
+ };
+ return;
+ }
+
+ var transceiver;
+ var iceGatherer;
+ var iceTransport;
+ var dtlsTransport;
+ var rtpReceiver;
+ var sendEncodingParameters;
+ var recvEncodingParameters;
+ var localCapabilities;
+
+ var track;
+ // FIXME: ensure the mediaSection has rtcp-mux set.
+ var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
+ var remoteIceParameters;
+ var remoteDtlsParameters;
+ if (!rejected) {
+ remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
+ sessionpart);
+ remoteDtlsParameters.role = 'client';
+ }
+ recvEncodingParameters =
+ SDPUtils.parseRtpEncodingParameters(mediaSection);
+
+ var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
+
+ var isComplete = SDPUtils.matchPrefix(mediaSection,
+ 'a=end-of-candidates', sessionpart).length > 0;
+ var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
+ .map(function(cand) {
+ return SDPUtils.parseCandidate(cand);
+ })
+ .filter(function(cand) {
+ return cand.component === 1;
+ });
+
+ // Check if we can use BUNDLE and dispose transports.
+ if ((description.type === 'offer' || description.type === 'answer') &&
+ !rejected && usingBundle && sdpMLineIndex > 0 &&
+ pc.transceivers[sdpMLineIndex]) {
+ pc._disposeIceAndDtlsTransports(sdpMLineIndex);
+ pc.transceivers[sdpMLineIndex].iceGatherer =
+ pc.transceivers[0].iceGatherer;
+ pc.transceivers[sdpMLineIndex].iceTransport =
+ pc.transceivers[0].iceTransport;
+ pc.transceivers[sdpMLineIndex].dtlsTransport =
+ pc.transceivers[0].dtlsTransport;
+ if (pc.transceivers[sdpMLineIndex].rtpSender) {
+ pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
+ pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
+ pc.transceivers[0].dtlsTransport);
+ }
+ }
+ if (description.type === 'offer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex] ||
+ pc._createTransceiver(kind);
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ usingBundle);
+ }
+
+ if (cands.length && transceiver.iceTransport.state === 'new') {
+ if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
+ transceiver.iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
+
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+
+ sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 2) * 1001
+ }];
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ var isNewTrack = false;
+ if (direction === 'sendrecv' || direction === 'sendonly') {
+ isNewTrack = !transceiver.rtpReceiver;
+ rtpReceiver = transceiver.rtpReceiver ||
+ new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
+
+ if (isNewTrack) {
+ var stream;
+ track = rtpReceiver.track;
+ // FIXME: does not work with Plan B.
+ if (remoteMsid && remoteMsid.stream === '-') {
+ // no-op. a stream id of '-' means: no associated stream.
+ } else if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ Object.defineProperty(streams[remoteMsid.stream], 'id', {
+ get: function() {
+ return remoteMsid.stream;
+ }
+ });
+ }
+ Object.defineProperty(track, 'id', {
+ get: function() {
+ return remoteMsid.track;
+ }
+ });
+ stream = streams[remoteMsid.stream];
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ stream = streams.default;
+ }
+ if (stream) {
+ addTrackToStreamAndFireEvent(track, stream);
+ transceiver.associatedRemoteMediaStreams.push(stream);
+ }
+ receiverList.push([track, rtpReceiver, stream]);
+ }
+ } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
+ transceiver.associatedRemoteMediaStreams.forEach(function(s) {
+ var nativeTrack = s.getTracks().find(function(t) {
+ return t.id === transceiver.rtpReceiver.track.id;
+ });
+ if (nativeTrack) {
+ removeTrackFromStreamAndFireEvent(nativeTrack, s);
+ }
+ });
+ transceiver.associatedRemoteMediaStreams = [];
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.remoteCapabilities = remoteCapabilities;
+ transceiver.rtpReceiver = rtpReceiver;
+ transceiver.rtcpParameters = rtcpParameters;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ transceiver.recvEncodingParameters = recvEncodingParameters;
+
+ // Start the RTCRtpReceiver now. The RTPSender is started in
+ // setLocalDescription.
+ pc._transceive(pc.transceivers[sdpMLineIndex],
+ false,
+ isNewTrack);
+ } else if (description.type === 'answer' && !rejected) {
+ transceiver = pc.transceivers[sdpMLineIndex];
+ iceGatherer = transceiver.iceGatherer;
+ iceTransport = transceiver.iceTransport;
+ dtlsTransport = transceiver.dtlsTransport;
+ rtpReceiver = transceiver.rtpReceiver;
+ sendEncodingParameters = transceiver.sendEncodingParameters;
+ localCapabilities = transceiver.localCapabilities;
+
+ pc.transceivers[sdpMLineIndex].recvEncodingParameters =
+ recvEncodingParameters;
+ pc.transceivers[sdpMLineIndex].remoteCapabilities =
+ remoteCapabilities;
+ pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
+
+ if (cands.length && iceTransport.state === 'new') {
+ if ((isIceLite || isComplete) &&
+ (!usingBundle || sdpMLineIndex === 0)) {
+ iceTransport.setRemoteCandidates(cands);
+ } else {
+ cands.forEach(function(candidate) {
+ maybeAddCandidate(transceiver.iceTransport, candidate);
+ });
+ }
+ }
+
+ if (!usingBundle || sdpMLineIndex === 0) {
+ if (iceTransport.state === 'new') {
+ iceTransport.start(iceGatherer, remoteIceParameters,
+ 'controlling');
+ }
+ if (dtlsTransport.state === 'new') {
+ dtlsTransport.start(remoteDtlsParameters);
+ }
+ }
+
+ pc._transceive(transceiver,
+ direction === 'sendrecv' || direction === 'recvonly',
+ direction === 'sendrecv' || direction === 'sendonly');
+
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
+ if (rtpReceiver &&
+ (direction === 'sendrecv' || direction === 'sendonly')) {
+ track = rtpReceiver.track;
+ if (remoteMsid) {
+ if (!streams[remoteMsid.stream]) {
+ streams[remoteMsid.stream] = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
+ receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
+ } else {
+ if (!streams.default) {
+ streams.default = new window.MediaStream();
+ }
+ addTrackToStreamAndFireEvent(track, streams.default);
+ receiverList.push([track, rtpReceiver, streams.default]);
+ }
+ } else {
+ // FIXME: actually the receiver should be created later.
+ delete transceiver.rtpReceiver;
+ }
+ }
+ });
+
+ if (this._dtlsRole === undefined) {
+ this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
+ }
+
+ this.remoteDescription = {
+ type: description.type,
+ sdp: description.sdp
+ };
+ switch (description.type) {
+ case 'offer':
+ this._updateSignalingState('have-remote-offer');
+ break;
+ case 'answer':
+ this._updateSignalingState('stable');
+ break;
+ default:
+ throw new TypeError('unsupported type "' + description.type +
+ '"');
+ }
+ Object.keys(streams).forEach(function(sid) {
+ var stream = streams[sid];
+ if (stream.getTracks().length) {
+ if (pc.remoteStreams.indexOf(stream) === -1) {
+ pc.remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ window.setTimeout(function() {
+ pc._dispatchEvent('addstream', event);
+ });
+ }
+
+ receiverList.forEach(function(item) {
+ var track = item[0];
+ var receiver = item[1];
+ if (stream.id !== item[2].id) {
+ return;
+ }
+ fireAddTrack(pc, track, receiver, [stream]);
+ });
+ }
+ });
+ receiverList.forEach(function(item) {
+ if (item[2]) {
+ return;
+ }
+ fireAddTrack(pc, item[0], item[1], []);
+ });
+
+ // check whether addIceCandidate({}) was called within four seconds after
+ // setRemoteDescription.
+ window.setTimeout(function() {
+ if (!(pc && pc.transceivers)) {
+ return;
+ }
+ pc.transceivers.forEach(function(transceiver) {
+ if (transceiver.iceTransport &&
+ transceiver.iceTransport.state === 'new' &&
+ transceiver.iceTransport.getRemoteCandidates().length > 0) {
+ console.warn('Timeout for addRemoteCandidate. Consider sending ' +
+ 'an end-of-candidates notification');
+ transceiver.iceTransport.addRemoteCandidate({});
+ }
+ });
+ }, 4000);
+
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.close = function() {
+ this.transceivers.forEach(function(transceiver) {
+ /* not yet
+ if (transceiver.iceGatherer) {
+ transceiver.iceGatherer.close();
+ }
+ */
+ if (transceiver.iceTransport) {
+ transceiver.iceTransport.stop();
+ }
+ if (transceiver.dtlsTransport) {
+ transceiver.dtlsTransport.stop();
+ }
+ if (transceiver.rtpSender) {
+ transceiver.rtpSender.stop();
+ }
+ if (transceiver.rtpReceiver) {
+ transceiver.rtpReceiver.stop();
+ }
+ });
+ // FIXME: clean up tracks, local streams, remote streams, etc
+ this._isClosed = true;
+ this._updateSignalingState('closed');
+ };
+
+ // Update the signaling state.
+ RTCPeerConnection.prototype._updateSignalingState = function(newState) {
+ this.signalingState = newState;
+ var event = new Event('signalingstatechange');
+ this._dispatchEvent('signalingstatechange', event);
+ };
+
+ // Determine whether to fire the negotiationneeded event.
+ RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
+ var pc = this;
+ if (this.signalingState !== 'stable' || this.needNegotiation === true) {
+ return;
+ }
+ this.needNegotiation = true;
+ window.setTimeout(function() {
+ if (pc.needNegotiation === false) {
+ return;
+ }
+ pc.needNegotiation = false;
+ var event = new Event('negotiationneeded');
+ pc._dispatchEvent('negotiationneeded', event);
+ }, 0);
+ };
+
+ // Update the connection state.
+ RTCPeerConnection.prototype._updateConnectionState = function() {
+ var newState;
+ var states = {
+ 'new': 0,
+ closed: 0,
+ connecting: 0,
+ checking: 0,
+ connected: 0,
+ completed: 0,
+ disconnected: 0,
+ failed: 0
+ };
+ this.transceivers.forEach(function(transceiver) {
+ states[transceiver.iceTransport.state]++;
+ states[transceiver.dtlsTransport.state]++;
+ });
+ // ICETransport.completed and connected are the same for this purpose.
+ states.connected += states.completed;
+
+ newState = 'new';
+ if (states.failed > 0) {
+ newState = 'failed';
+ } else if (states.connecting > 0 || states.checking > 0) {
+ newState = 'connecting';
+ } else if (states.disconnected > 0) {
+ newState = 'disconnected';
+ } else if (states.new > 0) {
+ newState = 'new';
+ } else if (states.connected > 0 || states.completed > 0) {
+ newState = 'connected';
+ }
+
+ if (newState !== this.iceConnectionState) {
+ this.iceConnectionState = newState;
+ var event = new Event('iceconnectionstatechange');
+ this._dispatchEvent('iceconnectionstatechange', event);
+ }
+ };
+
+ RTCPeerConnection.prototype.createOffer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createOffer after close'));
+ }
+
+ var numAudioTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'audio';
+ }).length;
+ var numVideoTracks = this.transceivers.filter(function(t) {
+ return t.kind === 'video';
+ }).length;
+
+ // Determine number of audio and video tracks we need to send/recv.
+ var offerOptions = arguments[0];
+ if (offerOptions) {
+ // Reject Chrome legacy constraints.
+ if (offerOptions.mandatory || offerOptions.optional) {
+ throw new TypeError(
+ 'Legacy mandatory/optional constraints not supported.');
+ }
+ if (offerOptions.offerToReceiveAudio !== undefined) {
+ if (offerOptions.offerToReceiveAudio === true) {
+ numAudioTracks = 1;
+ } else if (offerOptions.offerToReceiveAudio === false) {
+ numAudioTracks = 0;
+ } else {
+ numAudioTracks = offerOptions.offerToReceiveAudio;
+ }
+ }
+ if (offerOptions.offerToReceiveVideo !== undefined) {
+ if (offerOptions.offerToReceiveVideo === true) {
+ numVideoTracks = 1;
+ } else if (offerOptions.offerToReceiveVideo === false) {
+ numVideoTracks = 0;
+ } else {
+ numVideoTracks = offerOptions.offerToReceiveVideo;
+ }
+ }
+ }
+
+ this.transceivers.forEach(function(transceiver) {
+ if (transceiver.kind === 'audio') {
+ numAudioTracks--;
+ if (numAudioTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ } else if (transceiver.kind === 'video') {
+ numVideoTracks--;
+ if (numVideoTracks < 0) {
+ transceiver.wantReceive = false;
+ }
+ }
+ });
+
+ // Create M-lines for recvonly streams.
+ while (numAudioTracks > 0 || numVideoTracks > 0) {
+ if (numAudioTracks > 0) {
+ this._createTransceiver('audio');
+ numAudioTracks--;
+ }
+ if (numVideoTracks > 0) {
+ this._createTransceiver('video');
+ numVideoTracks--;
+ }
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ // For each track, create an ice gatherer, ice transport,
+ // dtls transport, potentially rtpsender and rtpreceiver.
+ var track = transceiver.track;
+ var kind = transceiver.kind;
+ var mid = SDPUtils.generateIdentifier();
+ transceiver.mid = mid;
+
+ if (!transceiver.iceGatherer) {
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
+ pc.usingBundle);
+ }
+
+ var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
+ // filter RTX until additional stuff needed for RTX is implemented
+ // in adapter.js
+ if (edgeVersion < 15019) {
+ localCapabilities.codecs = localCapabilities.codecs.filter(
+ function(codec) {
+ return codec.name !== 'rtx';
+ });
+ }
+ localCapabilities.codecs.forEach(function(codec) {
+ // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
+ // by adding level-asymmetry-allowed=1
+ if (codec.name === 'H264' &&
+ codec.parameters['level-asymmetry-allowed'] === undefined) {
+ codec.parameters['level-asymmetry-allowed'] = '1';
+ }
+ });
+
+ // generate an ssrc now, to be used later in rtpSender.send
+ var sendEncodingParameters = transceiver.sendEncodingParameters || [{
+ ssrc: (2 * sdpMLineIndex + 1) * 1001
+ }];
+ if (track) {
+ // add RTX
+ if (edgeVersion >= 15019 && kind === 'video' &&
+ !sendEncodingParameters[0].rtx) {
+ sendEncodingParameters[0].rtx = {
+ ssrc: sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+
+ if (transceiver.wantReceive) {
+ transceiver.rtpReceiver = new window.RTCRtpReceiver(
+ transceiver.dtlsTransport, kind);
+ }
+
+ transceiver.localCapabilities = localCapabilities;
+ transceiver.sendEncodingParameters = sendEncodingParameters;
+ });
+
+ // always offer BUNDLE and dispose on return if not supported.
+ if (this._config.bundlePolicy !== 'max-compat') {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ sdp += 'a=ice-options:trickle\r\n';
+
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
+ 'offer', transceiver.stream, pc._dtlsRole);
+ sdp += 'a=rtcp-rsize\r\n';
+
+ if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
+ (sdpMLineIndex === 0 || !pc.usingBundle)) {
+ transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
+ cand.component = 1;
+ sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
+ });
+
+ if (transceiver.iceGatherer.state === 'completed') {
+ sdp += 'a=end-of-candidates\r\n';
+ }
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'offer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.createAnswer = function() {
+ var pc = this;
+
+ if (this._isClosed) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not call createAnswer after close'));
+ }
+
+ var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
+ this._sdpSessionVersion++);
+ if (this.usingBundle) {
+ sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+ return t.mid;
+ }).join(' ') + '\r\n';
+ }
+ var mediaSectionsInOffer = SDPUtils.splitSections(
+ this.remoteDescription.sdp).length - 1;
+ this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+ if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
+ return;
+ }
+ if (transceiver.isDatachannel) {
+ sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
+ 'c=IN IP4 0.0.0.0\r\n' +
+ 'a=mid:' + transceiver.mid + '\r\n';
+ return;
+ }
+
+ // FIXME: look at direction.
+ if (transceiver.stream) {
+ var localTrack;
+ if (transceiver.kind === 'audio') {
+ localTrack = transceiver.stream.getAudioTracks()[0];
+ } else if (transceiver.kind === 'video') {
+ localTrack = transceiver.stream.getVideoTracks()[0];
+ }
+ if (localTrack) {
+ // add RTX
+ if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
+ !transceiver.sendEncodingParameters[0].rtx) {
+ transceiver.sendEncodingParameters[0].rtx = {
+ ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
+ };
+ }
+ }
+ }
+
+ // Calculate intersection of capabilities.
+ var commonCapabilities = getCommonCapabilities(
+ transceiver.localCapabilities,
+ transceiver.remoteCapabilities);
+
+ var hasRtx = commonCapabilities.codecs.filter(function(c) {
+ return c.name.toLowerCase() === 'rtx';
+ }).length;
+ if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
+ delete transceiver.sendEncodingParameters[0].rtx;
+ }
+
+ sdp += writeMediaSection(transceiver, commonCapabilities,
+ 'answer', transceiver.stream, pc._dtlsRole);
+ if (transceiver.rtcpParameters &&
+ transceiver.rtcpParameters.reducedSize) {
+ sdp += 'a=rtcp-rsize\r\n';
+ }
+ });
+
+ var desc = new window.RTCSessionDescription({
+ type: 'answer',
+ sdp: sdp
+ });
+ return Promise.resolve(desc);
+ };
+
+ RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
+ var sections;
+ if (!candidate || candidate.candidate === '') {
+ for (var j = 0; j < this.transceivers.length; j++) {
+ if (this.transceivers[j].isDatachannel) {
+ continue;
+ }
+ this.transceivers[j].iceTransport.addRemoteCandidate({});
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[j + 1] += 'a=end-of-candidates\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ if (this.usingBundle) {
+ break;
+ }
+ }
+ } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
+ throw new TypeError('sdpMLineIndex or sdpMid required');
+ } else if (!this.remoteDescription) {
+ return Promise.reject(makeError('InvalidStateError',
+ 'Can not add ICE candidate without a remote description'));
+ } else {
+ var sdpMLineIndex = candidate.sdpMLineIndex;
+ if (candidate.sdpMid) {
+ for (var i = 0; i < this.transceivers.length; i++) {
+ if (this.transceivers[i].mid === candidate.sdpMid) {
+ sdpMLineIndex = i;
+ break;
+ }
+ }
+ }
+ var transceiver = this.transceivers[sdpMLineIndex];
+ if (transceiver) {
+ if (transceiver.isDatachannel) {
+ return Promise.resolve();
+ }
+ var cand = Object.keys(candidate.candidate).length > 0 ?
+ SDPUtils.parseCandidate(candidate.candidate) : {};
+ // Ignore Chrome's invalid candidates since Edge does not like them.
+ if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
+ return Promise.resolve();
+ }
+ // Ignore RTCP candidates, we assume RTCP-MUX.
+ if (cand.component && cand.component !== 1) {
+ return Promise.resolve();
+ }
+ // when using bundle, avoid adding candidates to the wrong
+ // ice transport. And avoid adding candidates added in the SDP.
+ if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
+ transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
+ if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+
+ // update the remoteDescription.
+ var candidateString = candidate.candidate.trim();
+ if (candidateString.indexOf('a=') === 0) {
+ candidateString = candidateString.substr(2);
+ }
+ sections = SDPUtils.splitSections(this.remoteDescription.sdp);
+ sections[sdpMLineIndex + 1] += 'a=' +
+ (cand.type ? candidateString : 'end-of-candidates')
+ + '\r\n';
+ this.remoteDescription.sdp = sections.join('');
+ } else {
+ return Promise.reject(makeError('OperationError',
+ 'Can not add ICE candidate'));
+ }
+ }
+ return Promise.resolve();
+ };
+
+ RTCPeerConnection.prototype.getStats = function() {
+ var promises = [];
+ this.transceivers.forEach(function(transceiver) {
+ ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
+ 'dtlsTransport'].forEach(function(method) {
+ if (transceiver[method]) {
+ promises.push(transceiver[method].getStats());
+ }
+ });
+ });
+ var fixStatsType = function(stat) {
+ return {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[stat.type] || stat.type;
+ };
+ return new Promise(function(resolve) {
+ // shim getStats with maplike support
+ var results = new Map();
+ Promise.all(promises).then(function(res) {
+ res.forEach(function(result) {
+ Object.keys(result).forEach(function(id) {
+ result[id].type = fixStatsType(result[id]);
+ results.set(id, result[id]);
+ });
+ });
+ resolve(results);
+ });
+ });
+ };
+
+ // legacy callback shims. Should be moved to adapter.js some days.
+ var methods = ['createOffer', 'createAnswer'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[0] === 'function' ||
+ typeof args[1] === 'function') { // legacy
+ return nativeMethod.apply(this, [arguments[2]])
+ .then(function(description) {
+ if (typeof args[0] === 'function') {
+ args[0].apply(null, [description]);
+ }
+ }, function(error) {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
+ methods.forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function' ||
+ typeof args[2] === 'function') { // legacy
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ }, function(error) {
+ if (typeof args[2] === 'function') {
+ args[2].apply(null, [error]);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // getStats is special. It doesn't have a spec legacy method yet we support
+ // getStats(something, cb) without error callbacks.
+ ['getStats'].forEach(function(method) {
+ var nativeMethod = RTCPeerConnection.prototype[method];
+ RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ if (typeof args[1] === 'function') {
+ return nativeMethod.apply(this, arguments)
+ .then(function() {
+ if (typeof args[1] === 'function') {
+ args[1].apply(null);
+ }
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ return RTCPeerConnection;
+};
+
+},{"sdp":2}],2:[function(require,module,exports){
+ /* eslint-env node */
+'use strict';
+
+// SDP helpers.
+var SDPUtils = {};
+
+// Generate an alphanumeric identifier for cname or mids.
+// TODO: use UUIDs instead? https://gist.github.com/jed/982883
+SDPUtils.generateIdentifier = function() {
+ return Math.random().toString(36).substr(2, 10);
+};
+
+// The RTCP CNAME used by all peerconnections from the same JS.
+SDPUtils.localCName = SDPUtils.generateIdentifier();
+
+// Splits SDP into lines, dealing with both CRLF and LF.
+SDPUtils.splitLines = function(blob) {
+ return blob.trim().split('\n').map(function(line) {
+ return line.trim();
+ });
+};
+// Splits SDP into sessionpart and mediasections. Ensures CRLF.
+SDPUtils.splitSections = function(blob) {
+ var parts = blob.split('\nm=');
+ return parts.map(function(part, index) {
+ return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
+ });
+};
+
+// Returns lines that start with a certain prefix.
+SDPUtils.matchPrefix = function(blob, prefix) {
+ return SDPUtils.splitLines(blob).filter(function(line) {
+ return line.indexOf(prefix) === 0;
+ });
+};
+
+// Parses an ICE candidate line. Sample input:
+// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
+// rport 55996"
+SDPUtils.parseCandidate = function(line) {
+ var parts;
+ // Parse both variants.
+ if (line.indexOf('a=candidate:') === 0) {
+ parts = line.substring(12).split(' ');
+ } else {
+ parts = line.substring(10).split(' ');
+ }
+
+ var candidate = {
+ foundation: parts[0],
+ component: parseInt(parts[1], 10),
+ protocol: parts[2].toLowerCase(),
+ priority: parseInt(parts[3], 10),
+ ip: parts[4],
+ port: parseInt(parts[5], 10),
+ // skip parts[6] == 'typ'
+ type: parts[7]
+ };
+
+ for (var i = 8; i < parts.length; i += 2) {
+ switch (parts[i]) {
+ case 'raddr':
+ candidate.relatedAddress = parts[i + 1];
+ break;
+ case 'rport':
+ candidate.relatedPort = parseInt(parts[i + 1], 10);
+ break;
+ case 'tcptype':
+ candidate.tcpType = parts[i + 1];
+ break;
+ case 'ufrag':
+ candidate.ufrag = parts[i + 1]; // for backward compability.
+ candidate.usernameFragment = parts[i + 1];
+ break;
+ default: // extension handling, in particular ufrag
+ candidate[parts[i]] = parts[i + 1];
+ break;
+ }
+ }
+ return candidate;
+};
+
+// Translates a candidate object into SDP candidate attribute.
+SDPUtils.writeCandidate = function(candidate) {
+ var sdp = [];
+ sdp.push(candidate.foundation);
+ sdp.push(candidate.component);
+ sdp.push(candidate.protocol.toUpperCase());
+ sdp.push(candidate.priority);
+ sdp.push(candidate.ip);
+ sdp.push(candidate.port);
+
+ var type = candidate.type;
+ sdp.push('typ');
+ sdp.push(type);
+ if (type !== 'host' && candidate.relatedAddress &&
+ candidate.relatedPort) {
+ sdp.push('raddr');
+ sdp.push(candidate.relatedAddress); // was: relAddr
+ sdp.push('rport');
+ sdp.push(candidate.relatedPort); // was: relPort
+ }
+ if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
+ sdp.push('tcptype');
+ sdp.push(candidate.tcpType);
+ }
+ if (candidate.ufrag) {
+ sdp.push('ufrag');
+ sdp.push(candidate.ufrag);
+ }
+ return 'candidate:' + sdp.join(' ');
+};
+
+// Parses an ice-options line, returns an array of option tags.
+// a=ice-options:foo bar
+SDPUtils.parseIceOptions = function(line) {
+ return line.substr(14).split(' ');
+}
+
+// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
+// a=rtpmap:111 opus/48000/2
+SDPUtils.parseRtpMap = function(line) {
+ var parts = line.substr(9).split(' ');
+ var parsed = {
+ payloadType: parseInt(parts.shift(), 10) // was: id
+ };
+
+ parts = parts[0].split('/');
+
+ parsed.name = parts[0];
+ parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
+ // was: channels
+ parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
+ return parsed;
+};
+
+// Generate an a=rtpmap line from RTCRtpCodecCapability or
+// RTCRtpCodecParameters.
+SDPUtils.writeRtpMap = function(codec) {
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
+ (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
+};
+
+// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
+// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
+// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
+SDPUtils.parseExtmap = function(line) {
+ var parts = line.substr(9).split(' ');
+ return {
+ id: parseInt(parts[0], 10),
+ direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
+ uri: parts[1]
+ };
+};
+
+// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
+// RTCRtpHeaderExtension.
+SDPUtils.writeExtmap = function(headerExtension) {
+ return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
+ (headerExtension.direction && headerExtension.direction !== 'sendrecv'
+ ? '/' + headerExtension.direction
+ : '') +
+ ' ' + headerExtension.uri + '\r\n';
+};
+
+// Parses an ftmp line, returns dictionary. Sample input:
+// a=fmtp:96 vbr=on;cng=on
+// Also deals with vbr=on; cng=on
+SDPUtils.parseFmtp = function(line) {
+ var parsed = {};
+ var kv;
+ var parts = line.substr(line.indexOf(' ') + 1).split(';');
+ for (var j = 0; j < parts.length; j++) {
+ kv = parts[j].trim().split('=');
+ parsed[kv[0].trim()] = kv[1];
+ }
+ return parsed;
+};
+
+// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeFmtp = function(codec) {
+ var line = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.parameters && Object.keys(codec.parameters).length) {
+ var params = [];
+ Object.keys(codec.parameters).forEach(function(param) {
+ params.push(param + '=' + codec.parameters[param]);
+ });
+ line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
+ }
+ return line;
+};
+
+// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
+// a=rtcp-fb:98 nack rpsi
+SDPUtils.parseRtcpFb = function(line) {
+ var parts = line.substr(line.indexOf(' ') + 1).split(' ');
+ return {
+ type: parts.shift(),
+ parameter: parts.join(' ')
+ };
+};
+// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeRtcpFb = function(codec) {
+ var lines = '';
+ var pt = codec.payloadType;
+ if (codec.preferredPayloadType !== undefined) {
+ pt = codec.preferredPayloadType;
+ }
+ if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
+ // FIXME: special handling for trr-int?
+ codec.rtcpFeedback.forEach(function(fb) {
+ lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
+ (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
+ '\r\n';
+ });
+ }
+ return lines;
+};
+
+// Parses an RFC 5576 ssrc media attribute. Sample input:
+// a=ssrc:3735928559 cname:something
+SDPUtils.parseSsrcMedia = function(line) {
+ var sp = line.indexOf(' ');
+ var parts = {
+ ssrc: parseInt(line.substr(7, sp - 7), 10)
+ };
+ var colon = line.indexOf(':', sp);
+ if (colon > -1) {
+ parts.attribute = line.substr(sp + 1, colon - sp - 1);
+ parts.value = line.substr(colon + 1);
+ } else {
+ parts.attribute = line.substr(sp + 1);
+ }
+ return parts;
+};
+
+// Extracts the MID (RFC 5888) from a media section.
+// returns the MID or undefined if no mid line was found.
+SDPUtils.getMid = function(mediaSection) {
+ var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
+ if (mid) {
+ return mid.substr(6);
+ }
+}
+
+SDPUtils.parseFingerprint = function(line) {
+ var parts = line.substr(14).split(' ');
+ return {
+ algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
+ value: parts[1]
+ };
+};
+
+// Extracts DTLS parameters from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the fingerprint line as input. See also getIceParameters.
+SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
+ 'a=fingerprint:');
+ // Note: a=setup line is ignored since we use the 'auto' role.
+ // Note2: 'algorithm' is not case sensitive except in Edge.
+ return {
+ role: 'auto',
+ fingerprints: lines.map(SDPUtils.parseFingerprint)
+ };
+};
+
+// Serializes DTLS parameters to SDP.
+SDPUtils.writeDtlsParameters = function(params, setupType) {
+ var sdp = 'a=setup:' + setupType + '\r\n';
+ params.fingerprints.forEach(function(fp) {
+ sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
+ });
+ return sdp;
+};
+// Parses ICE information from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+// get the ice-ufrag and ice-pwd lines as input.
+SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ // Search in session part, too.
+ lines = lines.concat(SDPUtils.splitLines(sessionpart));
+ var iceParameters = {
+ usernameFragment: lines.filter(function(line) {
+ return line.indexOf('a=ice-ufrag:') === 0;
+ })[0].substr(12),
+ password: lines.filter(function(line) {
+ return line.indexOf('a=ice-pwd:') === 0;
+ })[0].substr(10)
+ };
+ return iceParameters;
+};
+
+// Serializes ICE parameters to SDP.
+SDPUtils.writeIceParameters = function(params) {
+ return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
+ 'a=ice-pwd:' + params.password + '\r\n';
+};
+
+// Parses the SDP media section and returns RTCRtpParameters.
+SDPUtils.parseRtpParameters = function(mediaSection) {
+ var description = {
+ codecs: [],
+ headerExtensions: [],
+ fecMechanisms: [],
+ rtcp: []
+ };
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
+ var pt = mline[i];
+ var rtpmapline = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtpmap:' + pt + ' ')[0];
+ if (rtpmapline) {
+ var codec = SDPUtils.parseRtpMap(rtpmapline);
+ var fmtps = SDPUtils.matchPrefix(
+ mediaSection, 'a=fmtp:' + pt + ' ');
+ // Only the first a=fmtp: is considered.
+ codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
+ codec.rtcpFeedback = SDPUtils.matchPrefix(
+ mediaSection, 'a=rtcp-fb:' + pt + ' ')
+ .map(SDPUtils.parseRtcpFb);
+ description.codecs.push(codec);
+ // parse FEC mechanisms from rtpmap lines.
+ switch (codec.name.toUpperCase()) {
+ case 'RED':
+ case 'ULPFEC':
+ description.fecMechanisms.push(codec.name.toUpperCase());
+ break;
+ default: // only RED and ULPFEC are recognized as FEC mechanisms.
+ break;
+ }
+ }
+ }
+ SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
+ description.headerExtensions.push(SDPUtils.parseExtmap(line));
+ });
+ // FIXME: parse rtcp.
+ return description;
+};
+
+// Generates parts of the SDP media section describing the capabilities /
+// parameters.
+SDPUtils.writeRtpDescription = function(kind, caps) {
+ var sdp = '';
+
+ // Build the mline.
+ sdp += 'm=' + kind + ' ';
+ sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
+ sdp += ' UDP/TLS/RTP/SAVPF ';
+ sdp += caps.codecs.map(function(codec) {
+ if (codec.preferredPayloadType !== undefined) {
+ return codec.preferredPayloadType;
+ }
+ return codec.payloadType;
+ }).join(' ') + '\r\n';
+
+ sdp += 'c=IN IP4 0.0.0.0\r\n';
+ sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
+
+ // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
+ caps.codecs.forEach(function(codec) {
+ sdp += SDPUtils.writeRtpMap(codec);
+ sdp += SDPUtils.writeFmtp(codec);
+ sdp += SDPUtils.writeRtcpFb(codec);
+ });
+ var maxptime = 0;
+ caps.codecs.forEach(function(codec) {
+ if (codec.maxptime > maxptime) {
+ maxptime = codec.maxptime;
+ }
+ });
+ if (maxptime > 0) {
+ sdp += 'a=maxptime:' + maxptime + '\r\n';
+ }
+ sdp += 'a=rtcp-mux\r\n';
+
+ caps.headerExtensions.forEach(function(extension) {
+ sdp += SDPUtils.writeExtmap(extension);
+ });
+ // FIXME: write fecMechanisms.
+ return sdp;
+};
+
+// Parses the SDP media section and returns an array of
+// RTCRtpEncodingParameters.
+SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
+ var encodingParameters = [];
+ var description = SDPUtils.parseRtpParameters(mediaSection);
+ var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
+ var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
+
+ // filter a=ssrc:... cname:, ignore PlanB-msid
+ var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'cname';
+ });
+ var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
+ var secondarySsrc;
+
+ var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
+ .map(function(line) {
+ var parts = line.split(' ');
+ parts.shift();
+ return parts.map(function(part) {
+ return parseInt(part, 10);
+ });
+ });
+ if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
+ secondarySsrc = flows[0][1];
+ }
+
+ description.codecs.forEach(function(codec) {
+ if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
+ var encParam = {
+ ssrc: primarySsrc,
+ codecPayloadType: parseInt(codec.parameters.apt, 10),
+ rtx: {
+ ssrc: secondarySsrc
+ }
+ };
+ encodingParameters.push(encParam);
+ if (hasRed) {
+ encParam = JSON.parse(JSON.stringify(encParam));
+ encParam.fec = {
+ ssrc: secondarySsrc,
+ mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
+ };
+ encodingParameters.push(encParam);
+ }
+ }
+ });
+ if (encodingParameters.length === 0 && primarySsrc) {
+ encodingParameters.push({
+ ssrc: primarySsrc
+ });
+ }
+
+ // we support both b=AS and b=TIAS but interpret AS as TIAS.
+ var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
+ if (bandwidth.length) {
+ if (bandwidth[0].indexOf('b=TIAS:') === 0) {
+ bandwidth = parseInt(bandwidth[0].substr(7), 10);
+ } else if (bandwidth[0].indexOf('b=AS:') === 0) {
+ // use formula from JSEP to convert b=AS to TIAS value.
+ bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
+ - (50 * 40 * 8);
+ } else {
+ bandwidth = undefined;
+ }
+ encodingParameters.forEach(function(params) {
+ params.maxBitrate = bandwidth;
+ });
+ }
+ return encodingParameters;
+};
+
+// parses http://draft.ortc.org/#rtcrtcpparameters*
+SDPUtils.parseRtcpParameters = function(mediaSection) {
+ var rtcpParameters = {};
+
+ var cname;
+ // Gets the first SSRC. Note that with RTX there might be multiple
+ // SSRCs.
+ var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(obj) {
+ return obj.attribute === 'cname';
+ })[0];
+ if (remoteSsrc) {
+ rtcpParameters.cname = remoteSsrc.value;
+ rtcpParameters.ssrc = remoteSsrc.ssrc;
+ }
+
+ // Edge uses the compound attribute instead of reducedSize
+ // compound is !reducedSize
+ var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
+ rtcpParameters.reducedSize = rsize.length > 0;
+ rtcpParameters.compound = rsize.length === 0;
+
+ // parses the rtcp-mux attrÑ–bute.
+ // Note that Edge does not support unmuxed RTCP.
+ var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
+ rtcpParameters.mux = mux.length > 0;
+
+ return rtcpParameters;
+};
+
+// parses either a=msid: or a=ssrc:... msid lines and returns
+// the id of the MediaStream and MediaStreamTrack.
+SDPUtils.parseMsid = function(mediaSection) {
+ var parts;
+ var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
+ if (spec.length === 1) {
+ parts = spec[0].substr(7).split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+ var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+ .map(function(line) {
+ return SDPUtils.parseSsrcMedia(line);
+ })
+ .filter(function(parts) {
+ return parts.attribute === 'msid';
+ });
+ if (planB.length > 0) {
+ parts = planB[0].value.split(' ');
+ return {stream: parts[0], track: parts[1]};
+ }
+};
+
+// Generate a session ID for SDP.
+// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
+// recommends using a cryptographically random +ve 64-bit value
+// but right now this should be acceptable and within the right range
+SDPUtils.generateSessionId = function() {
+ return Math.random().toString().substr(2, 21);
+};
+
+// Write boilder plate for start of SDP
+// sessId argument is optional - if not supplied it will
+// be generated randomly
+// sessVersion is optional and defaults to 2
+SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
+ var sessionId;
+ var version = sessVer !== undefined ? sessVer : 2;
+ if (sessId) {
+ sessionId = sessId;
+ } else {
+ sessionId = SDPUtils.generateSessionId();
+ }
+ // FIXME: sess-id should be an NTP timestamp.
+ return 'v=0\r\n' +
+ 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
+ 's=-\r\n' +
+ 't=0 0\r\n';
+};
+
+SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
+ var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
+
+ // Map ICE parameters (ufrag, pwd) to SDP.
+ sdp += SDPUtils.writeIceParameters(
+ transceiver.iceGatherer.getLocalParameters());
+
+ // Map DTLS parameters to SDP.
+ sdp += SDPUtils.writeDtlsParameters(
+ transceiver.dtlsTransport.getLocalParameters(),
+ type === 'offer' ? 'actpass' : 'active');
+
+ sdp += 'a=mid:' + transceiver.mid + '\r\n';
+
+ if (transceiver.direction) {
+ sdp += 'a=' + transceiver.direction + '\r\n';
+ } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
+ sdp += 'a=sendrecv\r\n';
+ } else if (transceiver.rtpSender) {
+ sdp += 'a=sendonly\r\n';
+ } else if (transceiver.rtpReceiver) {
+ sdp += 'a=recvonly\r\n';
+ } else {
+ sdp += 'a=inactive\r\n';
+ }
+
+ if (transceiver.rtpSender) {
+ // spec.
+ var msid = 'msid:' + stream.id + ' ' +
+ transceiver.rtpSender.track.id + '\r\n';
+ sdp += 'a=' + msid;
+
+ // for Chrome.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' ' + msid;
+ if (transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' ' + msid;
+ sdp += 'a=ssrc-group:FID ' +
+ transceiver.sendEncodingParameters[0].ssrc + ' ' +
+ transceiver.sendEncodingParameters[0].rtx.ssrc +
+ '\r\n';
+ }
+ }
+ // FIXME: this should be written by writeRtpDescription.
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+ ' cname:' + SDPUtils.localCName + '\r\n';
+ }
+ return sdp;
+};
+
+// Gets the direction from the mediaSection or the sessionpart.
+SDPUtils.getDirection = function(mediaSection, sessionpart) {
+ // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
+ var lines = SDPUtils.splitLines(mediaSection);
+ for (var i = 0; i < lines.length; i++) {
+ switch (lines[i]) {
+ case 'a=sendrecv':
+ case 'a=sendonly':
+ case 'a=recvonly':
+ case 'a=inactive':
+ return lines[i].substr(2);
+ default:
+ // FIXME: What should happen here?
+ }
+ }
+ if (sessionpart) {
+ return SDPUtils.getDirection(sessionpart);
+ }
+ return 'sendrecv';
+};
+
+SDPUtils.getKind = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return mline[0].substr(2);
+};
+
+SDPUtils.isRejected = function(mediaSection) {
+ return mediaSection.split(' ', 2)[1] === '0';
+};
+
+SDPUtils.parseMLine = function(mediaSection) {
+ var lines = SDPUtils.splitLines(mediaSection);
+ var mline = lines[0].split(' ');
+ return {
+ kind: mline[0].substr(2),
+ port: parseInt(mline[1], 10),
+ protocol: mline[2],
+ fmt: mline.slice(3).join(' ')
+ };
+};
+
+// Expose public methods.
+if (typeof module === 'object') {
+ module.exports = SDPUtils;
+}
+
+},{}],3:[function(require,module,exports){
+(function (global){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var adapterFactory = require('./adapter_factory.js');
+module.exports = adapterFactory({window: global.window});
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./adapter_factory.js":4}],4:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var utils = require('./utils');
+// Shimming starts here.
+module.exports = function(dependencies, opts) {
+ var window = dependencies && dependencies.window;
+
+ var options = {
+ shimChrome: true,
+ shimFirefox: true,
+ shimEdge: true,
+ shimSafari: true,
+ };
+
+ for (var key in opts) {
+ if (hasOwnProperty.call(opts, key)) {
+ options[key] = opts[key];
+ }
+ }
+
+ // Utils.
+ var logging = utils.log;
+ var browserDetails = utils.detectBrowser(window);
+
+ // Uncomment the line below if you want logging to occur, including logging
+ // for the switch statement below. Can also be turned on in the browser via
+ // adapter.disableLog(false), but then logging from the switch statement below
+ // will not appear.
+ // require('./utils').disableLog(false);
+
+ // Browser shims.
+ var chromeShim = require('./chrome/chrome_shim') || null;
+ var edgeShim = require('./edge/edge_shim') || null;
+ var firefoxShim = require('./firefox/firefox_shim') || null;
+ var safariShim = require('./safari/safari_shim') || null;
+ var commonShim = require('./common_shim') || null;
+
+ // Export to the adapter global object visible in the browser.
+ var adapter = {
+ browserDetails: browserDetails,
+ commonShim: commonShim,
+ extractVersion: utils.extractVersion,
+ disableLog: utils.disableLog,
+ disableWarnings: utils.disableWarnings
+ };
+
+ // Shim browser if found.
+ switch (browserDetails.browser) {
+ case 'chrome':
+ if (!chromeShim || !chromeShim.shimPeerConnection ||
+ !options.shimChrome) {
+ logging('Chrome shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming chrome.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = chromeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ chromeShim.shimGetUserMedia(window);
+ chromeShim.shimMediaStream(window);
+ chromeShim.shimSourceObject(window);
+ chromeShim.shimPeerConnection(window);
+ chromeShim.shimOnTrack(window);
+ chromeShim.shimAddTrackRemoveTrack(window);
+ chromeShim.shimGetSendersWithDtmf(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'firefox':
+ if (!firefoxShim || !firefoxShim.shimPeerConnection ||
+ !options.shimFirefox) {
+ logging('Firefox shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming firefox.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = firefoxShim;
+ commonShim.shimCreateObjectURL(window);
+
+ firefoxShim.shimGetUserMedia(window);
+ firefoxShim.shimSourceObject(window);
+ firefoxShim.shimPeerConnection(window);
+ firefoxShim.shimOnTrack(window);
+ firefoxShim.shimRemoveStream(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'edge':
+ if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
+ logging('MS edge shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming edge.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = edgeShim;
+ commonShim.shimCreateObjectURL(window);
+
+ edgeShim.shimGetUserMedia(window);
+ edgeShim.shimPeerConnection(window);
+ edgeShim.shimReplaceTrack(window);
+
+ // the edge shim implements the full RTCIceCandidate object.
+
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ case 'safari':
+ if (!safariShim || !options.shimSafari) {
+ logging('Safari shim is not included in this adapter release.');
+ return adapter;
+ }
+ logging('adapter.js shimming safari.');
+ // Export to the adapter global object visible in the browser.
+ adapter.browserShim = safariShim;
+ commonShim.shimCreateObjectURL(window);
+
+ safariShim.shimRTCIceServerUrls(window);
+ safariShim.shimCallbacksAPI(window);
+ safariShim.shimLocalStreamsAPI(window);
+ safariShim.shimRemoteStreamsAPI(window);
+ safariShim.shimTrackEventTransceiver(window);
+ safariShim.shimGetUserMedia(window);
+ safariShim.shimCreateOfferLegacy(window);
+
+ commonShim.shimRTCIceCandidate(window);
+ commonShim.shimMaxMessageSize(window);
+ commonShim.shimSendThrowTypeError(window);
+ break;
+ default:
+ logging('Unsupported browser!');
+ break;
+ }
+
+ return adapter;
+};
+
+},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
+
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimMediaStream: function(window) {
+ window.MediaStream = window.MediaStream || window.webkitMediaStream;
+ },
+
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ }
+ });
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ if (!pc._ontrackpoly) {
+ pc._ontrackpoly = function(e) {
+ // onaddstream does not fire when a track is added to an existing
+ // stream. But stream.onaddtrack is implemented so we use that.
+ e.stream.addEventListener('addtrack', function(te) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === te.track.id;
+ });
+ } else {
+ receiver = {track: te.track};
+ }
+
+ var event = new Event('track');
+ event.track = te.track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ e.stream.getTracks().forEach(function(track) {
+ var receiver;
+ if (window.RTCPeerConnection.prototype.getReceivers) {
+ receiver = pc.getReceivers().find(function(r) {
+ return r.track && r.track.id === track.id;
+ });
+ } else {
+ receiver = {track: track};
+ }
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = receiver;
+ event.transceiver = {receiver: receiver};
+ event.streams = [e.stream];
+ pc.dispatchEvent(event);
+ });
+ };
+ pc.addEventListener('addstream', pc._ontrackpoly);
+ }
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ } else if (!('RTCRtpTransceiver' in window)) {
+ utils.wrapPeerConnectionEvent(window, 'track', function(e) {
+ if (!e.transceiver) {
+ e.transceiver = {receiver: e.receiver};
+ }
+ return e;
+ });
+ }
+ },
+
+ shimGetSendersWithDtmf: function(window) {
+ // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ !('getSenders' in window.RTCPeerConnection.prototype) &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype) {
+ var shimSenderWithDtmf = function(pc, track) {
+ return {
+ track: track,
+ get dtmf() {
+ if (this._dtmf === undefined) {
+ if (track.kind === 'audio') {
+ this._dtmf = pc.createDTMFSender(track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ },
+ _pc: pc
+ };
+ };
+
+ // augment addTrack when getSenders is not available.
+ if (!window.RTCPeerConnection.prototype.getSenders) {
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ this._senders = this._senders || [];
+ return this._senders.slice(); // return a copy of the internal state.
+ };
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ var sender = origAddTrack.apply(pc, arguments);
+ if (!sender) {
+ sender = shimSenderWithDtmf(pc, track);
+ pc._senders.push(sender);
+ }
+ return sender;
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ origRemoveTrack.apply(pc, arguments);
+ var idx = pc._senders.indexOf(sender);
+ if (idx !== -1) {
+ pc._senders.splice(idx, 1);
+ }
+ };
+ }
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origAddStream.apply(pc, [stream]);
+ stream.getTracks().forEach(function(track) {
+ pc._senders.push(shimSenderWithDtmf(pc, track));
+ });
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._senders = pc._senders || [];
+ origRemoveStream.apply(pc, [stream]);
+
+ stream.getTracks().forEach(function(track) {
+ var sender = pc._senders.find(function(s) {
+ return s.track === track;
+ });
+ if (sender) {
+ pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
+ }
+ });
+ };
+ } else if (typeof window === 'object' && window.RTCPeerConnection &&
+ 'getSenders' in window.RTCPeerConnection.prototype &&
+ 'createDTMFSender' in window.RTCPeerConnection.prototype &&
+ window.RTCRtpSender &&
+ !('dtmf' in window.RTCRtpSender.prototype)) {
+ var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
+ window.RTCPeerConnection.prototype.getSenders = function() {
+ var pc = this;
+ var senders = origGetSenders.apply(pc, []);
+ senders.forEach(function(sender) {
+ sender._pc = pc;
+ });
+ return senders;
+ };
+
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = this._pc.createDTMFSender(this.track);
+ } else {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ var URL = window && window.URL;
+
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this._srcObject;
+ },
+ set: function(stream) {
+ var self = this;
+ // Use _srcObject as a private property for this shim
+ this._srcObject = stream;
+ if (this.src) {
+ URL.revokeObjectURL(this.src);
+ }
+
+ if (!stream) {
+ this.src = '';
+ return undefined;
+ }
+ this.src = URL.createObjectURL(stream);
+ // We need to recreate the blob url when a track is added or
+ // removed. Doing it manually since we want to avoid a recursion.
+ stream.addEventListener('addtrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ stream.addEventListener('removetrack', function() {
+ if (self.src) {
+ URL.revokeObjectURL(self.src);
+ }
+ self.src = URL.createObjectURL(stream);
+ });
+ }
+ });
+ }
+ }
+ },
+
+ shimAddTrackRemoveTrackWithNative: function(window) {
+ // shim addTrack/removeTrack with native variants in order to make
+ // the interactions with legacy getLocalStreams behave as in other browsers.
+ // Keeps a mapping stream.id => [stream, rtpsenders...]
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
+ return pc._shimmedLocalStreams[streamId][0];
+ });
+ };
+
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (!stream) {
+ return origAddTrack.apply(this, arguments);
+ }
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ var sender = origAddTrack.apply(this, arguments);
+ if (!this._shimmedLocalStreams[stream.id]) {
+ this._shimmedLocalStreams[stream.id] = [stream, sender];
+ } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
+ this._shimmedLocalStreams[stream.id].push(sender);
+ }
+ return sender;
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ var existingSenders = pc.getSenders();
+ origAddStream.apply(this, arguments);
+ var newSenders = pc.getSenders().filter(function(newSender) {
+ return existingSenders.indexOf(newSender) === -1;
+ });
+ this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ delete this._shimmedLocalStreams[stream.id];
+ return origRemoveStream.apply(this, arguments);
+ };
+
+ var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
+ if (sender) {
+ Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
+ var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
+ if (idx !== -1) {
+ pc._shimmedLocalStreams[streamId].splice(idx, 1);
+ }
+ if (pc._shimmedLocalStreams[streamId].length === 1) {
+ delete pc._shimmedLocalStreams[streamId];
+ }
+ });
+ }
+ return origRemoveTrack.apply(this, arguments);
+ };
+ },
+
+ shimAddTrackRemoveTrack: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ // shim addTrack and removeTrack.
+ if (window.RTCPeerConnection.prototype.addTrack &&
+ browserDetails.version >= 65) {
+ return this.shimAddTrackRemoveTrackWithNative(window);
+ }
+
+ // also shim pc.getLocalStreams when addTrack is shimmed
+ // to return the original streams.
+ var origGetLocalStreams = window.RTCPeerConnection.prototype
+ .getLocalStreams;
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ var pc = this;
+ var nativeStreams = origGetLocalStreams.apply(this);
+ pc._reverseStreams = pc._reverseStreams || {};
+ return nativeStreams.map(function(stream) {
+ return pc._reverseStreams[stream.id];
+ });
+ };
+
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ stream.getTracks().forEach(function(track) {
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+ });
+ // Add identity mapping for consistency with addTrack.
+ // Unless this is being used with a stream from addTrack.
+ if (!pc._reverseStreams[stream.id]) {
+ var newStream = new window.MediaStream(stream.getTracks());
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ stream = newStream;
+ }
+ origAddStream.apply(pc, [stream]);
+ };
+
+ var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+
+ origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
+ delete pc._reverseStreams[(pc._streams[stream.id] ?
+ pc._streams[stream.id].id : stream.id)];
+ delete pc._streams[stream.id];
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ var streams = [].slice.call(arguments, 1);
+ if (streams.length !== 1 ||
+ !streams[0].getTracks().find(function(t) {
+ return t === track;
+ })) {
+ // this is not fully correct but all we can manage without
+ // [[associated MediaStreams]] internal slot.
+ throw new DOMException(
+ 'The adapter.js addTrack polyfill only supports a single ' +
+ ' stream which is associated with the specified track.',
+ 'NotSupportedError');
+ }
+
+ var alreadyExists = pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ if (alreadyExists) {
+ throw new DOMException('Track already exists.',
+ 'InvalidAccessError');
+ }
+
+ pc._streams = pc._streams || {};
+ pc._reverseStreams = pc._reverseStreams || {};
+ var oldStream = pc._streams[stream.id];
+ if (oldStream) {
+ // this is using odd Chrome behaviour, use with caution:
+ // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
+ // Note: we rely on the high-level addTrack/dtmf shim to
+ // create the sender with a dtmf sender.
+ oldStream.addTrack(track);
+
+ // Trigger ONN async.
+ Promise.resolve().then(function() {
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ });
+ } else {
+ var newStream = new window.MediaStream([track]);
+ pc._streams[stream.id] = newStream;
+ pc._reverseStreams[newStream.id] = stream;
+ pc.addStream(newStream);
+ }
+ return pc.getSenders().find(function(s) {
+ return s.track === track;
+ });
+ };
+
+ // replace the internal stream id with the external one and
+ // vice versa.
+ function replaceInternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
+ externalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ function replaceExternalStreamId(pc, description) {
+ var sdp = description.sdp;
+ Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
+ var externalStream = pc._reverseStreams[internalId];
+ var internalStream = pc._streams[externalStream.id];
+ sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
+ internalStream.id);
+ });
+ return new RTCSessionDescription({
+ type: description.type,
+ sdp: sdp
+ });
+ }
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ var args = arguments;
+ var isLegacyCall = arguments.length &&
+ typeof arguments[0] === 'function';
+ if (isLegacyCall) {
+ return nativeMethod.apply(pc, [
+ function(description) {
+ var desc = replaceInternalStreamId(pc, description);
+ args[0].apply(null, [desc]);
+ },
+ function(err) {
+ if (args[1]) {
+ args[1].apply(null, err);
+ }
+ }, arguments[2]
+ ]);
+ }
+ return nativeMethod.apply(pc, arguments)
+ .then(function(description) {
+ return replaceInternalStreamId(pc, description);
+ });
+ };
+ });
+
+ var origSetLocalDescription =
+ window.RTCPeerConnection.prototype.setLocalDescription;
+ window.RTCPeerConnection.prototype.setLocalDescription = function() {
+ var pc = this;
+ if (!arguments.length || !arguments[0].type) {
+ return origSetLocalDescription.apply(pc, arguments);
+ }
+ arguments[0] = replaceExternalStreamId(pc, arguments[0]);
+ return origSetLocalDescription.apply(pc, arguments);
+ };
+
+ // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
+
+ var origLocalDescription = Object.getOwnPropertyDescriptor(
+ window.RTCPeerConnection.prototype, 'localDescription');
+ Object.defineProperty(window.RTCPeerConnection.prototype,
+ 'localDescription', {
+ get: function() {
+ var pc = this;
+ var description = origLocalDescription.get.apply(this);
+ if (description.type === '') {
+ return description;
+ }
+ return replaceInternalStreamId(pc, description);
+ }
+ });
+
+ window.RTCPeerConnection.prototype.removeTrack = function(sender) {
+ var pc = this;
+ if (pc.signalingState === 'closed') {
+ throw new DOMException(
+ 'The RTCPeerConnection\'s signalingState is \'closed\'.',
+ 'InvalidStateError');
+ }
+ // We can not yet check for sender instanceof RTCRtpSender
+ // since we shim RTPSender. So we check if sender._pc is set.
+ if (!sender._pc) {
+ throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
+ 'does not implement interface RTCRtpSender.', 'TypeError');
+ }
+ var isLocal = sender._pc === pc;
+ if (!isLocal) {
+ throw new DOMException('Sender was not created by this connection.',
+ 'InvalidAccessError');
+ }
+
+ // Search for the native stream the senders track belongs to.
+ pc._streams = pc._streams || {};
+ var stream;
+ Object.keys(pc._streams).forEach(function(streamid) {
+ var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
+ return sender.track === track;
+ });
+ if (hasTrack) {
+ stream = pc._streams[streamid];
+ }
+ });
+
+ if (stream) {
+ if (stream.getTracks().length === 1) {
+ // if this is the last track of the stream, remove the stream. This
+ // takes care of any shimmed _senders.
+ pc.removeStream(pc._reverseStreams[stream.id]);
+ } else {
+ // relying on the same odd chrome behaviour as above.
+ stream.removeTrack(sender.track);
+ }
+ pc.dispatchEvent(new Event('negotiationneeded'));
+ }
+ };
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ // Translate iceTransportPolicy to iceTransports,
+ // see https://code.google.com/p/webrtc/issues/detail?id=4869
+ // this was fixed in M56 along with unprefixing RTCPeerConnection.
+ logging('PeerConnection');
+ if (pcConfig && pcConfig.iceTransportPolicy) {
+ pcConfig.iceTransports = pcConfig.iceTransportPolicy;
+ }
+
+ return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.webkitRTCPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if (window.webkitRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.webkitRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+ } else {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ var origGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(selector,
+ successCallback, errorCallback) {
+ var pc = this;
+ var args = arguments;
+
+ // If selector is a function then we are in the old style stats so just
+ // pass back the original getStats format to avoid breaking old users.
+ if (arguments.length > 0 && typeof selector === 'function') {
+ return origGetStats.apply(this, arguments);
+ }
+
+ // When spec-style getStats is supported, return those when called with
+ // either no arguments or the selector argument is null.
+ if (origGetStats.length === 0 && (arguments.length === 0 ||
+ typeof arguments[0] !== 'function')) {
+ return origGetStats.apply(this, []);
+ }
+
+ var fixChromeStats_ = function(response) {
+ var standardReport = {};
+ var reports = response.result();
+ reports.forEach(function(report) {
+ var standardStats = {
+ id: report.id,
+ timestamp: report.timestamp,
+ type: {
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ }[report.type] || report.type
+ };
+ report.names().forEach(function(name) {
+ standardStats[name] = report.stat(name);
+ });
+ standardReport[standardStats.id] = standardStats;
+ });
+
+ return standardReport;
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ return new Map(Object.keys(stats).map(function(key) {
+ return [key, stats[key]];
+ }));
+ };
+
+ if (arguments.length >= 2) {
+ var successCallbackWrapper_ = function(response) {
+ args[1](makeMapStats(fixChromeStats_(response)));
+ };
+
+ return origGetStats.apply(this, [successCallbackWrapper_,
+ arguments[0]]);
+ }
+
+ // promise-support
+ return new Promise(function(resolve, reject) {
+ origGetStats.apply(pc, [
+ function(response) {
+ resolve(makeMapStats(fixChromeStats_(response)));
+ }, reject]);
+ }).then(successCallback, errorCallback);
+ };
+
+ // add promise support -- natively available in Chrome 51
+ if (browserDetails.version < 51) {
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var args = arguments;
+ var pc = this;
+ var promise = new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [args[0], resolve, reject]);
+ });
+ if (args.length < 2) {
+ return promise;
+ }
+ return promise.then(function() {
+ args[1].apply(null, []);
+ },
+ function(err) {
+ if (args.length >= 3) {
+ args[2].apply(null, [err]);
+ }
+ });
+ };
+ });
+ }
+
+ // promise support for createOffer and createAnswer. Available (without
+ // bugs) since M52: crbug/619289
+ if (browserDetails.version < 52) {
+ ['createOffer', 'createAnswer'].forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ var pc = this;
+ if (arguments.length < 1 || (arguments.length === 1 &&
+ typeof arguments[0] === 'object')) {
+ var opts = arguments.length === 1 ? arguments[0] : undefined;
+ return new Promise(function(resolve, reject) {
+ nativeMethod.apply(pc, [resolve, reject, opts]);
+ });
+ }
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+ }
+
+ // shim implicit creation of RTCSessionDescription/RTCIceCandidate
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+ }
+};
+
+},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+
+ var constraintsToChrome_ = function(c) {
+ if (typeof c !== 'object' || c.mandatory || c.optional) {
+ return c;
+ }
+ var cc = {};
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
+ if (r.exact !== undefined && typeof r.exact === 'number') {
+ r.min = r.max = r.exact;
+ }
+ var oldname_ = function(prefix, name) {
+ if (prefix) {
+ return prefix + name.charAt(0).toUpperCase() + name.slice(1);
+ }
+ return (name === 'deviceId') ? 'sourceId' : name;
+ };
+ if (r.ideal !== undefined) {
+ cc.optional = cc.optional || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[oldname_('min', key)] = r.ideal;
+ cc.optional.push(oc);
+ oc = {};
+ oc[oldname_('max', key)] = r.ideal;
+ cc.optional.push(oc);
+ } else {
+ oc[oldname_('', key)] = r.ideal;
+ cc.optional.push(oc);
+ }
+ }
+ if (r.exact !== undefined && typeof r.exact !== 'number') {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_('', key)] = r.exact;
+ } else {
+ ['min', 'max'].forEach(function(mix) {
+ if (r[mix] !== undefined) {
+ cc.mandatory = cc.mandatory || {};
+ cc.mandatory[oldname_(mix, key)] = r[mix];
+ }
+ });
+ }
+ });
+ if (c.advanced) {
+ cc.optional = (cc.optional || []).concat(c.advanced);
+ }
+ return cc;
+ };
+
+ var shimConstraints_ = function(constraints, func) {
+ if (browserDetails.version >= 61) {
+ return func(constraints);
+ }
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (constraints && typeof constraints.audio === 'object') {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
+ remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
+ constraints.audio = constraintsToChrome_(constraints.audio);
+ }
+ if (constraints && typeof constraints.video === 'object') {
+ // Shim facingMode for mobile & surface pro.
+ var face = constraints.video.facingMode;
+ face = face && ((typeof face === 'object') ? face : {ideal: face});
+ var getSupportedFacingModeLies = browserDetails.version < 66;
+
+ if ((face && (face.exact === 'user' || face.exact === 'environment' ||
+ face.ideal === 'user' || face.ideal === 'environment')) &&
+ !(navigator.mediaDevices.getSupportedConstraints &&
+ navigator.mediaDevices.getSupportedConstraints().facingMode &&
+ !getSupportedFacingModeLies)) {
+ delete constraints.video.facingMode;
+ var matches;
+ if (face.exact === 'environment' || face.ideal === 'environment') {
+ matches = ['back', 'rear'];
+ } else if (face.exact === 'user' || face.ideal === 'user') {
+ matches = ['front'];
+ }
+ if (matches) {
+ // Look for matches in label, or use last cam for back (typical).
+ return navigator.mediaDevices.enumerateDevices()
+ .then(function(devices) {
+ devices = devices.filter(function(d) {
+ return d.kind === 'videoinput';
+ });
+ var dev = devices.find(function(d) {
+ return matches.some(function(match) {
+ return d.label.toLowerCase().indexOf(match) !== -1;
+ });
+ });
+ if (!dev && devices.length && matches.indexOf('back') !== -1) {
+ dev = devices[devices.length - 1]; // more likely the back cam
+ }
+ if (dev) {
+ constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
+ {ideal: dev.deviceId};
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ });
+ }
+ }
+ constraints.video = constraintsToChrome_(constraints.video);
+ }
+ logging('chrome: ' + JSON.stringify(constraints));
+ return func(constraints);
+ };
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ PermissionDeniedError: 'NotAllowedError',
+ InvalidStateError: 'NotReadableError',
+ DevicesNotFoundError: 'NotFoundError',
+ ConstraintNotSatisfiedError: 'OverconstrainedError',
+ TrackStartError: 'NotReadableError',
+ MediaDeviceFailedDueToShutdown: 'NotReadableError',
+ MediaDeviceKillSwitchOn: 'NotReadableError'
+ }[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraintName,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ shimConstraints_(constraints, function(c) {
+ navigator.webkitGetUserMedia(c, onSuccess, function(e) {
+ if (onError) {
+ onError(shimError_(e));
+ }
+ });
+ });
+ };
+
+ navigator.getUserMedia = getUserMedia_;
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ navigator.getUserMedia(constraints, resolve, reject);
+ });
+ };
+
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {
+ getUserMedia: getUserMediaPromise_,
+ enumerateDevices: function() {
+ return new Promise(function(resolve) {
+ var kinds = {audio: 'audioinput', video: 'videoinput'};
+ return window.MediaStreamTrack.getSources(function(devices) {
+ resolve(devices.map(function(device) {
+ return {label: device.label,
+ kind: kinds[device.kind],
+ deviceId: device.id,
+ groupId: ''};
+ }));
+ });
+ });
+ },
+ getSupportedConstraints: function() {
+ return {
+ deviceId: true, echoCancellation: true, facingMode: true,
+ frameRate: true, height: true, width: true
+ };
+ }
+ };
+ }
+
+ // A shim for getUserMedia method on the mediaDevices object.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (!navigator.mediaDevices.getUserMedia) {
+ navigator.mediaDevices.getUserMedia = function(constraints) {
+ return getUserMediaPromise_(constraints);
+ };
+ } else {
+ // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
+ // function which returns a Promise, it does not accept spec-style
+ // constraints.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(cs) {
+ return shimConstraints_(cs, function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('', 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ });
+ };
+ }
+
+ // Dummy devicechange event methods.
+ // TODO(KaptenJansson) remove once implemented in Chrome stable.
+ if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
+ navigator.mediaDevices.addEventListener = function() {
+ logging('Dummy mediaDevices.addEventListener called.');
+ };
+ }
+ if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
+ navigator.mediaDevices.removeEventListener = function() {
+ logging('Dummy mediaDevices.removeEventListener called.');
+ };
+ }
+};
+
+},{"../utils.js":13}],7:[function(require,module,exports){
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var SDPUtils = require('sdp');
+var utils = require('./utils');
+
+module.exports = {
+ shimRTCIceCandidate: function(window) {
+ // foundation is arbitrarily chosen as an indicator for full support for
+ // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
+ if (window.RTCIceCandidate && 'foundation' in
+ window.RTCIceCandidate.prototype) {
+ return;
+ }
+
+ var NativeRTCIceCandidate = window.RTCIceCandidate;
+ window.RTCIceCandidate = function(args) {
+ // Remove the a= which shouldn't be part of the candidate string.
+ if (typeof args === 'object' && args.candidate &&
+ args.candidate.indexOf('a=') === 0) {
+ args = JSON.parse(JSON.stringify(args));
+ args.candidate = args.candidate.substr(2);
+ }
+
+ // Augment the native candidate with the parsed fields.
+ var nativeCandidate = new NativeRTCIceCandidate(args);
+ var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
+ var augmentedCandidate = Object.assign(nativeCandidate,
+ parsedCandidate);
+
+ // Add a serializer that does not serialize the extra attributes.
+ augmentedCandidate.toJSON = function() {
+ return {
+ candidate: augmentedCandidate.candidate,
+ sdpMid: augmentedCandidate.sdpMid,
+ sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
+ usernameFragment: augmentedCandidate.usernameFragment,
+ };
+ };
+ return augmentedCandidate;
+ };
+
+ // Hook up the augmented candidate in onicecandidate and
+ // addEventListener('icecandidate', ...)
+ utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
+ if (e.candidate) {
+ Object.defineProperty(e, 'candidate', {
+ value: new window.RTCIceCandidate(e.candidate),
+ writable: 'false'
+ });
+ }
+ return e;
+ });
+ },
+
+ // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
+
+ shimCreateObjectURL: function(window) {
+ var URL = window && window.URL;
+
+ if (!(typeof window === 'object' && window.HTMLMediaElement &&
+ 'srcObject' in window.HTMLMediaElement.prototype &&
+ URL.createObjectURL && URL.revokeObjectURL)) {
+ // Only shim CreateObjectURL using srcObject if srcObject exists.
+ return undefined;
+ }
+
+ var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
+ var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
+ var streams = new Map(), newId = 0;
+
+ URL.createObjectURL = function(stream) {
+ if ('getTracks' in stream) {
+ var url = 'polyblob:' + (++newId);
+ streams.set(url, stream);
+ utils.deprecated('URL.createObjectURL(stream)',
+ 'elem.srcObject = stream');
+ return url;
+ }
+ return nativeCreateObjectURL(stream);
+ };
+ URL.revokeObjectURL = function(url) {
+ nativeRevokeObjectURL(url);
+ streams.delete(url);
+ };
+
+ var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
+ 'src');
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
+ get: function() {
+ return dsc.get.apply(this);
+ },
+ set: function(url) {
+ this.srcObject = streams.get(url) || null;
+ return dsc.set.apply(this, [url]);
+ }
+ });
+
+ var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
+ window.HTMLMediaElement.prototype.setAttribute = function() {
+ if (arguments.length === 2 &&
+ ('' + arguments[0]).toLowerCase() === 'src') {
+ this.srcObject = streams.get(arguments[1]) || null;
+ }
+ return nativeSetAttribute.apply(this, arguments);
+ };
+ },
+
+ shimMaxMessageSize: function(window) {
+ if (window.RTCSctpTransport || !window.RTCPeerConnection) {
+ return;
+ }
+ var browserDetails = utils.detectBrowser(window);
+
+ if (!('sctp' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
+ get: function() {
+ return typeof this._sctp === 'undefined' ? null : this._sctp;
+ }
+ });
+ }
+
+ var sctpInDescription = function(description) {
+ var sections = SDPUtils.splitSections(description.sdp);
+ sections.shift();
+ return sections.some(function(mediaSection) {
+ var mLine = SDPUtils.parseMLine(mediaSection);
+ return mLine && mLine.kind === 'application'
+ && mLine.protocol.indexOf('SCTP') !== -1;
+ });
+ };
+
+ var getRemoteFirefoxVersion = function(description) {
+ // TODO: Is there a better solution for detecting Firefox?
+ var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
+ if (match === null || match.length < 2) {
+ return -1;
+ }
+ var version = parseInt(match[1], 10);
+ // Test for NaN (yes, this is ugly)
+ return version !== version ? -1 : version;
+ };
+
+ var getCanSendMaxMessageSize = function(remoteIsFirefox) {
+ // Every implementation we know can send at least 64 KiB.
+ // Note: Although Chrome is technically able to send up to 256 KiB, the
+ // data does not reach the other peer reliably.
+ // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
+ var canSendMaxMessageSize = 65536;
+ if (browserDetails.browser === 'firefox') {
+ if (browserDetails.version < 57) {
+ if (remoteIsFirefox === -1) {
+ // FF < 57 will send in 16 KiB chunks using the deprecated PPID
+ // fragmentation.
+ canSendMaxMessageSize = 16384;
+ } else {
+ // However, other FF (and RAWRTC) can reassemble PPID-fragmented
+ // messages. Thus, supporting ~2 GiB when sending.
+ canSendMaxMessageSize = 2147483637;
+ }
+ } else {
+ // Currently, all FF >= 57 will reset the remote maximum message size
+ // to the default value when a data channel is created at a later
+ // stage. :(
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+ canSendMaxMessageSize =
+ browserDetails.version === 57 ? 65535 : 65536;
+ }
+ }
+ return canSendMaxMessageSize;
+ };
+
+ var getMaxMessageSize = function(description, remoteIsFirefox) {
+ // Note: 65536 bytes is the default value from the SDP spec. Also,
+ // every implementation we know supports receiving 65536 bytes.
+ var maxMessageSize = 65536;
+
+ // FF 57 has a slightly incorrect default remote max message size, so
+ // we need to adjust it here to avoid a failure when sending.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
+ if (browserDetails.browser === 'firefox'
+ && browserDetails.version === 57) {
+ maxMessageSize = 65535;
+ }
+
+ var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
+ if (match.length > 0) {
+ maxMessageSize = parseInt(match[0].substr(19), 10);
+ } else if (browserDetails.browser === 'firefox' &&
+ remoteIsFirefox !== -1) {
+ // If the maximum message size is not present in the remote SDP and
+ // both local and remote are Firefox, the remote peer can receive
+ // ~2 GiB.
+ maxMessageSize = 2147483637;
+ }
+ return maxMessageSize;
+ };
+
+ var origSetRemoteDescription =
+ window.RTCPeerConnection.prototype.setRemoteDescription;
+ window.RTCPeerConnection.prototype.setRemoteDescription = function() {
+ var pc = this;
+ pc._sctp = null;
+
+ if (sctpInDescription(arguments[0])) {
+ // Check if the remote is FF.
+ var isFirefox = getRemoteFirefoxVersion(arguments[0]);
+
+ // Get the maximum message size the local peer is capable of sending
+ var canSendMMS = getCanSendMaxMessageSize(isFirefox);
+
+ // Get the maximum message size of the remote peer.
+ var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
+
+ // Determine final maximum message size
+ var maxMessageSize;
+ if (canSendMMS === 0 && remoteMMS === 0) {
+ maxMessageSize = Number.POSITIVE_INFINITY;
+ } else if (canSendMMS === 0 || remoteMMS === 0) {
+ maxMessageSize = Math.max(canSendMMS, remoteMMS);
+ } else {
+ maxMessageSize = Math.min(canSendMMS, remoteMMS);
+ }
+
+ // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
+ // attribute.
+ var sctp = {};
+ Object.defineProperty(sctp, 'maxMessageSize', {
+ get: function() {
+ return maxMessageSize;
+ }
+ });
+ pc._sctp = sctp;
+ }
+
+ return origSetRemoteDescription.apply(pc, arguments);
+ };
+ },
+
+ shimSendThrowTypeError: function(window) {
+ // Note: Although Firefox >= 57 has a native implementation, the maximum
+ // message size can be reset for all data channels at a later stage.
+ // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
+
+ var origCreateDataChannel =
+ window.RTCPeerConnection.prototype.createDataChannel;
+ window.RTCPeerConnection.prototype.createDataChannel = function() {
+ var pc = this;
+ var dataChannel = origCreateDataChannel.apply(pc, arguments);
+ var origDataChannelSend = dataChannel.send;
+
+ // Patch 'send' method
+ dataChannel.send = function() {
+ var dc = this;
+ var data = arguments[0];
+ var length = data.length || data.size || data.byteLength;
+ if (length > pc.sctp.maxMessageSize) {
+ throw new DOMException('Message too large (can send a maximum of ' +
+ pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
+ }
+ return origDataChannelSend.apply(dc, arguments);
+ };
+
+ return dataChannel;
+ };
+ }
+};
+
+},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var shimRTCPeerConnection = require('rtcpeerconnection-shim');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (window.RTCIceGatherer) {
+ // ORTC defines an RTCIceCandidate object but no constructor.
+ // Not implemented in Edge.
+ if (!window.RTCIceCandidate) {
+ window.RTCIceCandidate = function(args) {
+ return args;
+ };
+ }
+ // ORTC does not have a session description object but
+ // other browsers (i.e. Chrome) that will support both PC and ORTC
+ // in the future might have this defined already.
+ if (!window.RTCSessionDescription) {
+ window.RTCSessionDescription = function(args) {
+ return args;
+ };
+ }
+ // this adds an additional event listener to MediaStrackTrack that signals
+ // when a tracks enabled property was changed. Workaround for a bug in
+ // addStream, see below. No longer required in 15025+
+ if (browserDetails.version < 15025) {
+ var origMSTEnabled = Object.getOwnPropertyDescriptor(
+ window.MediaStreamTrack.prototype, 'enabled');
+ Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
+ set: function(value) {
+ origMSTEnabled.set.call(this, value);
+ var ev = new Event('enabled');
+ ev.enabled = value;
+ this.dispatchEvent(ev);
+ }
+ });
+ }
+ }
+
+ // ORTC defines the DTMF sender a bit different.
+ // https://github.com/w3c/ortc/issues/714
+ if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+ get: function() {
+ if (this._dtmf === undefined) {
+ if (this.track.kind === 'audio') {
+ this._dtmf = new window.RTCDtmfSender(this);
+ } else if (this.track.kind === 'video') {
+ this._dtmf = null;
+ }
+ }
+ return this._dtmf;
+ }
+ });
+ }
+
+ window.RTCPeerConnection =
+ shimRTCPeerConnection(window, browserDetails.version);
+ },
+ shimReplaceTrack: function(window) {
+ // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
+ if (window.RTCRtpSender &&
+ !('replaceTrack' in window.RTCRtpSender.prototype)) {
+ window.RTCRtpSender.prototype.replaceTrack =
+ window.RTCRtpSender.prototype.setTrack;
+ }
+ }
+};
+
+},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+// Expose public methods.
+module.exports = function(window) {
+ var navigator = window && window.navigator;
+
+ var shimError_ = function(e) {
+ return {
+ name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
+ message: e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name;
+ }
+ };
+ };
+
+ // getUserMedia error shim.
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).catch(function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+};
+
+},{}],10:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+
+module.exports = {
+ shimGetUserMedia: require('./getusermedia'),
+ shimOnTrack: function(window) {
+ if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+ window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+ get: function() {
+ return this._ontrack;
+ },
+ set: function(f) {
+ if (this._ontrack) {
+ this.removeEventListener('track', this._ontrack);
+ this.removeEventListener('addstream', this._ontrackpoly);
+ }
+ this.addEventListener('track', this._ontrack = f);
+ this.addEventListener('addstream', this._ontrackpoly = function(e) {
+ e.stream.getTracks().forEach(function(track) {
+ var event = new Event('track');
+ event.track = track;
+ event.receiver = {track: track};
+ event.transceiver = {receiver: event.receiver};
+ event.streams = [e.stream];
+ this.dispatchEvent(event);
+ }.bind(this));
+ }.bind(this));
+ }
+ });
+ }
+ if (typeof window === 'object' && window.RTCTrackEvent &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ !('transceiver' in window.RTCTrackEvent.prototype)) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimSourceObject: function(window) {
+ // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
+ if (typeof window === 'object') {
+ if (window.HTMLMediaElement &&
+ !('srcObject' in window.HTMLMediaElement.prototype)) {
+ // Shim the srcObject property, once, when HTMLMediaElement is found.
+ Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+ get: function() {
+ return this.mozSrcObject;
+ },
+ set: function(stream) {
+ this.mozSrcObject = stream;
+ }
+ });
+ }
+ }
+ },
+
+ shimPeerConnection: function(window) {
+ var browserDetails = utils.detectBrowser(window);
+
+ if (typeof window !== 'object' || !(window.RTCPeerConnection ||
+ window.mozRTCPeerConnection)) {
+ return; // probably media.peerconnection.enabled=false in about:config
+ }
+ // The RTCPeerConnection object.
+ if (!window.RTCPeerConnection) {
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (browserDetails.version < 38) {
+ // .urls is not supported in FF < 38.
+ // create RTCIceServers with a single url.
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (server.hasOwnProperty('urls')) {
+ for (var j = 0; j < server.urls.length; j++) {
+ var newServer = {
+ url: server.urls[j]
+ };
+ if (server.urls[j].indexOf('turn') === 0) {
+ newServer.username = server.username;
+ newServer.credential = server.credential;
+ }
+ newIceServers.push(newServer);
+ }
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ }
+ return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype =
+ window.mozRTCPeerConnection.prototype;
+
+ // wrap static methods. Currently just generateCertificate.
+ if (window.mozRTCPeerConnection.generateCertificate) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return window.mozRTCPeerConnection.generateCertificate;
+ }
+ });
+ }
+
+ window.RTCSessionDescription = window.mozRTCSessionDescription;
+ window.RTCIceCandidate = window.mozRTCIceCandidate;
+ }
+
+ // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+ .forEach(function(method) {
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
+ window.RTCPeerConnection.prototype[method] = function() {
+ arguments[0] = new ((method === 'addIceCandidate') ?
+ window.RTCIceCandidate :
+ window.RTCSessionDescription)(arguments[0]);
+ return nativeMethod.apply(this, arguments);
+ };
+ });
+
+ // support for addIceCandidate(null or undefined)
+ var nativeAddIceCandidate =
+ window.RTCPeerConnection.prototype.addIceCandidate;
+ window.RTCPeerConnection.prototype.addIceCandidate = function() {
+ if (!arguments[0]) {
+ if (arguments[1]) {
+ arguments[1].apply(null);
+ }
+ return Promise.resolve();
+ }
+ return nativeAddIceCandidate.apply(this, arguments);
+ };
+
+ // shim getStats with maplike support
+ var makeMapStats = function(stats) {
+ var map = new Map();
+ Object.keys(stats).forEach(function(key) {
+ map.set(key, stats[key]);
+ map[key] = stats[key];
+ });
+ return map;
+ };
+
+ var modernStatsTypes = {
+ inboundrtp: 'inbound-rtp',
+ outboundrtp: 'outbound-rtp',
+ candidatepair: 'candidate-pair',
+ localcandidate: 'local-candidate',
+ remotecandidate: 'remote-candidate'
+ };
+
+ var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
+ window.RTCPeerConnection.prototype.getStats = function(
+ selector,
+ onSucc,
+ onErr
+ ) {
+ return nativeGetStats.apply(this, [selector || null])
+ .then(function(stats) {
+ if (browserDetails.version < 48) {
+ stats = makeMapStats(stats);
+ }
+ if (browserDetails.version < 53 && !onSucc) {
+ // Shim only promise getStats with spec-hyphens in type names
+ // Leave callback version alone; misc old uses of forEach before Map
+ try {
+ stats.forEach(function(stat) {
+ stat.type = modernStatsTypes[stat.type] || stat.type;
+ });
+ } catch (e) {
+ if (e.name !== 'TypeError') {
+ throw e;
+ }
+ // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
+ stats.forEach(function(stat, i) {
+ stats.set(i, Object.assign({}, stat, {
+ type: modernStatsTypes[stat.type] || stat.type
+ }));
+ });
+ }
+ }
+ return stats;
+ })
+ .then(onSucc, onErr);
+ };
+ },
+
+ shimRemoveStream: function(window) {
+ if (!window.RTCPeerConnection ||
+ 'removeStream' in window.RTCPeerConnection.prototype) {
+ return;
+ }
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ var pc = this;
+ utils.deprecated('removeStream', 'removeTrack');
+ this.getSenders().forEach(function(sender) {
+ if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+};
+
+},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+ var browserDetails = utils.detectBrowser(window);
+ var navigator = window && window.navigator;
+ var MediaStreamTrack = window && window.MediaStreamTrack;
+
+ var shimError_ = function(e) {
+ return {
+ name: {
+ InternalError: 'NotReadableError',
+ NotSupportedError: 'TypeError',
+ PermissionDeniedError: 'NotAllowedError',
+ SecurityError: 'NotAllowedError'
+ }[e.name] || e.name,
+ message: {
+ 'The operation is insecure.': 'The request is not allowed by the ' +
+ 'user agent or the platform in the current context.'
+ }[e.message] || e.message,
+ constraint: e.constraint,
+ toString: function() {
+ return this.name + (this.message && ': ') + this.message;
+ }
+ };
+ };
+
+ // getUserMedia constraints shim.
+ var getUserMedia_ = function(constraints, onSuccess, onError) {
+ var constraintsToFF37_ = function(c) {
+ if (typeof c !== 'object' || c.require) {
+ return c;
+ }
+ var require = [];
+ Object.keys(c).forEach(function(key) {
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+ return;
+ }
+ var r = c[key] = (typeof c[key] === 'object') ?
+ c[key] : {ideal: c[key]};
+ if (r.min !== undefined ||
+ r.max !== undefined || r.exact !== undefined) {
+ require.push(key);
+ }
+ if (r.exact !== undefined) {
+ if (typeof r.exact === 'number') {
+ r. min = r.max = r.exact;
+ } else {
+ c[key] = r.exact;
+ }
+ delete r.exact;
+ }
+ if (r.ideal !== undefined) {
+ c.advanced = c.advanced || [];
+ var oc = {};
+ if (typeof r.ideal === 'number') {
+ oc[key] = {min: r.ideal, max: r.ideal};
+ } else {
+ oc[key] = r.ideal;
+ }
+ c.advanced.push(oc);
+ delete r.ideal;
+ if (!Object.keys(r).length) {
+ delete c[key];
+ }
+ }
+ });
+ if (require.length) {
+ c.require = require;
+ }
+ return c;
+ };
+ constraints = JSON.parse(JSON.stringify(constraints));
+ if (browserDetails.version < 38) {
+ logging('spec: ' + JSON.stringify(constraints));
+ if (constraints.audio) {
+ constraints.audio = constraintsToFF37_(constraints.audio);
+ }
+ if (constraints.video) {
+ constraints.video = constraintsToFF37_(constraints.video);
+ }
+ logging('ff37: ' + JSON.stringify(constraints));
+ }
+ return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
+ onError(shimError_(e));
+ });
+ };
+
+ // Returns the result of getUserMedia as a Promise.
+ var getUserMediaPromise_ = function(constraints) {
+ return new Promise(function(resolve, reject) {
+ getUserMedia_(constraints, resolve, reject);
+ });
+ };
+
+ // Shim for mediaDevices on older versions.
+ if (!navigator.mediaDevices) {
+ navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
+ addEventListener: function() { },
+ removeEventListener: function() { }
+ };
+ }
+ navigator.mediaDevices.enumerateDevices =
+ navigator.mediaDevices.enumerateDevices || function() {
+ return new Promise(function(resolve) {
+ var infos = [
+ {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
+ {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
+ ];
+ resolve(infos);
+ });
+ };
+
+ if (browserDetails.version < 41) {
+ // Work around http://bugzil.la/1169665
+ var orgEnumerateDevices =
+ navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
+ navigator.mediaDevices.enumerateDevices = function() {
+ return orgEnumerateDevices().then(undefined, function(e) {
+ if (e.name === 'NotFoundError') {
+ return [];
+ }
+ throw e;
+ });
+ };
+ }
+ if (browserDetails.version < 49) {
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ return origGetUserMedia(c).then(function(stream) {
+ // Work around https://bugzil.la/802326
+ if (c.audio && !stream.getAudioTracks().length ||
+ c.video && !stream.getVideoTracks().length) {
+ stream.getTracks().forEach(function(track) {
+ track.stop();
+ });
+ throw new DOMException('The object can not be found here.',
+ 'NotFoundError');
+ }
+ return stream;
+ }, function(e) {
+ return Promise.reject(shimError_(e));
+ });
+ };
+ }
+ if (!(browserDetails.version > 55 &&
+ 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
+ var remap = function(obj, a, b) {
+ if (a in obj && !(b in obj)) {
+ obj[b] = obj[a];
+ delete obj[a];
+ }
+ };
+
+ var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
+ bind(navigator.mediaDevices);
+ navigator.mediaDevices.getUserMedia = function(c) {
+ if (typeof c === 'object' && typeof c.audio === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
+ remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeGetUserMedia(c);
+ };
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
+ var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
+ MediaStreamTrack.prototype.getSettings = function() {
+ var obj = nativeGetSettings.apply(this, arguments);
+ remap(obj, 'mozAutoGainControl', 'autoGainControl');
+ remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
+ return obj;
+ };
+ }
+
+ if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
+ var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
+ MediaStreamTrack.prototype.applyConstraints = function(c) {
+ if (this.kind === 'audio' && typeof c === 'object') {
+ c = JSON.parse(JSON.stringify(c));
+ remap(c, 'autoGainControl', 'mozAutoGainControl');
+ remap(c, 'noiseSuppression', 'mozNoiseSuppression');
+ }
+ return nativeApplyConstraints.apply(this, [c]);
+ };
+ }
+ }
+ navigator.getUserMedia = function(constraints, onSuccess, onError) {
+ if (browserDetails.version < 44) {
+ return getUserMedia_(constraints, onSuccess, onError);
+ }
+ // Replace Firefox 44+'s deprecation warning with unprefixed version.
+ utils.deprecated('navigator.getUserMedia',
+ 'navigator.mediaDevices.getUserMedia');
+ navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
+ };
+};
+
+},{"../utils":13}],12:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+'use strict';
+var utils = require('../utils');
+
+module.exports = {
+ shimLocalStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getLocalStreams = function() {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ return this._localStreams;
+ };
+ }
+ if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getStreamById = function(id) {
+ var result = null;
+ if (this._localStreams) {
+ this._localStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ if (this._remoteStreams) {
+ this._remoteStreams.forEach(function(stream) {
+ if (stream.id === id) {
+ result = stream;
+ }
+ });
+ }
+ return result;
+ };
+ }
+ if (!('addStream' in window.RTCPeerConnection.prototype)) {
+ var _addTrack = window.RTCPeerConnection.prototype.addTrack;
+ window.RTCPeerConnection.prototype.addStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ var pc = this;
+ stream.getTracks().forEach(function(track) {
+ _addTrack.call(pc, track, stream);
+ });
+ };
+
+ window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+ if (stream) {
+ if (!this._localStreams) {
+ this._localStreams = [stream];
+ } else if (this._localStreams.indexOf(stream) === -1) {
+ this._localStreams.push(stream);
+ }
+ }
+ return _addTrack.call(this, track, stream);
+ };
+ }
+ if (!('removeStream' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.removeStream = function(stream) {
+ if (!this._localStreams) {
+ this._localStreams = [];
+ }
+ var index = this._localStreams.indexOf(stream);
+ if (index === -1) {
+ return;
+ }
+ this._localStreams.splice(index, 1);
+ var pc = this;
+ var tracks = stream.getTracks();
+ this.getSenders().forEach(function(sender) {
+ if (tracks.indexOf(sender.track) !== -1) {
+ pc.removeTrack(sender);
+ }
+ });
+ };
+ }
+ },
+ shimRemoteStreamsAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
+ window.RTCPeerConnection.prototype.getRemoteStreams = function() {
+ return this._remoteStreams ? this._remoteStreams : [];
+ };
+ }
+ if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
+ get: function() {
+ return this._onaddstream;
+ },
+ set: function(f) {
+ var pc = this;
+ if (this._onaddstream) {
+ this.removeEventListener('addstream', this._onaddstream);
+ this.removeEventListener('track', this._onaddstreampoly);
+ }
+ this.addEventListener('addstream', this._onaddstream = f);
+ this.addEventListener('track', this._onaddstreampoly = function(e) {
+ e.streams.forEach(function(stream) {
+ if (!pc._remoteStreams) {
+ pc._remoteStreams = [];
+ }
+ if (pc._remoteStreams.indexOf(stream) >= 0) {
+ return;
+ }
+ pc._remoteStreams.push(stream);
+ var event = new Event('addstream');
+ event.stream = stream;
+ pc.dispatchEvent(event);
+ });
+ });
+ }
+ });
+ }
+ },
+ shimCallbacksAPI: function(window) {
+ if (typeof window !== 'object' || !window.RTCPeerConnection) {
+ return;
+ }
+ var prototype = window.RTCPeerConnection.prototype;
+ var createOffer = prototype.createOffer;
+ var createAnswer = prototype.createAnswer;
+ var setLocalDescription = prototype.setLocalDescription;
+ var setRemoteDescription = prototype.setRemoteDescription;
+ var addIceCandidate = prototype.addIceCandidate;
+
+ prototype.createOffer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createOffer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ prototype.createAnswer = function(successCallback, failureCallback) {
+ var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+ var promise = createAnswer.apply(this, [options]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+
+ var withCallback = function(description, successCallback, failureCallback) {
+ var promise = setLocalDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setLocalDescription = withCallback;
+
+ withCallback = function(description, successCallback, failureCallback) {
+ var promise = setRemoteDescription.apply(this, [description]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.setRemoteDescription = withCallback;
+
+ withCallback = function(candidate, successCallback, failureCallback) {
+ var promise = addIceCandidate.apply(this, [candidate]);
+ if (!failureCallback) {
+ return promise;
+ }
+ promise.then(successCallback, failureCallback);
+ return Promise.resolve();
+ };
+ prototype.addIceCandidate = withCallback;
+ },
+ shimGetUserMedia: function(window) {
+ var navigator = window && window.navigator;
+
+ if (!navigator.getUserMedia) {
+ if (navigator.webkitGetUserMedia) {
+ navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
+ } else if (navigator.mediaDevices &&
+ navigator.mediaDevices.getUserMedia) {
+ navigator.getUserMedia = function(constraints, cb, errcb) {
+ navigator.mediaDevices.getUserMedia(constraints)
+ .then(cb, errcb);
+ }.bind(navigator);
+ }
+ }
+ },
+ shimRTCIceServerUrls: function(window) {
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+ var OrigPeerConnection = window.RTCPeerConnection;
+ window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+ if (pcConfig && pcConfig.iceServers) {
+ var newIceServers = [];
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
+ var server = pcConfig.iceServers[i];
+ if (!server.hasOwnProperty('urls') &&
+ server.hasOwnProperty('url')) {
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+ server = JSON.parse(JSON.stringify(server));
+ server.urls = server.url;
+ delete server.url;
+ newIceServers.push(server);
+ } else {
+ newIceServers.push(pcConfig.iceServers[i]);
+ }
+ }
+ pcConfig.iceServers = newIceServers;
+ }
+ return new OrigPeerConnection(pcConfig, pcConstraints);
+ };
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+ // wrap static methods. Currently just generateCertificate.
+ if ('generateCertificate' in window.RTCPeerConnection) {
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+ get: function() {
+ return OrigPeerConnection.generateCertificate;
+ }
+ });
+ }
+ },
+ shimTrackEventTransceiver: function(window) {
+ // Add event.transceiver member over deprecated event.receiver
+ if (typeof window === 'object' && window.RTCPeerConnection &&
+ ('receiver' in window.RTCTrackEvent.prototype) &&
+ // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
+ // defined for some reason even when window.RTCTransceiver is not.
+ !window.RTCTransceiver) {
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
+ get: function() {
+ return {receiver: this.receiver};
+ }
+ });
+ }
+ },
+
+ shimCreateOfferLegacy: function(window) {
+ var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
+ window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
+ var pc = this;
+ if (offerOptions) {
+ var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'audio';
+ });
+ if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
+ if (audioTransceiver.direction === 'sendrecv') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('sendonly');
+ } else {
+ audioTransceiver.direction = 'sendonly';
+ }
+ } else if (audioTransceiver.direction === 'recvonly') {
+ if (audioTransceiver.setDirection) {
+ audioTransceiver.setDirection('inactive');
+ } else {
+ audioTransceiver.direction = 'inactive';
+ }
+ }
+ } else if (offerOptions.offerToReceiveAudio === true &&
+ !audioTransceiver) {
+ pc.addTransceiver('audio');
+ }
+
+ var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
+ return transceiver.sender.track &&
+ transceiver.sender.track.kind === 'video';
+ });
+ if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
+ if (videoTransceiver.direction === 'sendrecv') {
+ videoTransceiver.setDirection('sendonly');
+ } else if (videoTransceiver.direction === 'recvonly') {
+ videoTransceiver.setDirection('inactive');
+ }
+ } else if (offerOptions.offerToReceiveVideo === true &&
+ !videoTransceiver) {
+ pc.addTransceiver('video');
+ }
+ }
+ return origCreateOffer.apply(pc, arguments);
+ };
+ }
+};
+
+},{"../utils":13}],13:[function(require,module,exports){
+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var logDisabled_ = true;
+var deprecationWarnings_ = true;
+
+/**
+ * Extract browser version out of the provided user agent string.
+ *
+ * @param {!string} uastring userAgent string.
+ * @param {!string} expr Regular expression used as match criteria.
+ * @param {!number} pos position in the version string to be returned.
+ * @return {!number} browser version.
+ */
+function extractVersion(uastring, expr, pos) {
+ var match = uastring.match(expr);
+ return match && match.length >= pos && parseInt(match[pos], 10);
+}
+
+// Wraps the peerconnection event eventNameToWrap in a function
+// which returns the modified event object.
+function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
+ if (!window.RTCPeerConnection) {
+ return;
+ }
+ var proto = window.RTCPeerConnection.prototype;
+ var nativeAddEventListener = proto.addEventListener;
+ proto.addEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap) {
+ return nativeAddEventListener.apply(this, arguments);
+ }
+ var wrappedCallback = function(e) {
+ cb(wrapper(e));
+ };
+ this._eventMap = this._eventMap || {};
+ this._eventMap[cb] = wrappedCallback;
+ return nativeAddEventListener.apply(this, [nativeEventName,
+ wrappedCallback]);
+ };
+
+ var nativeRemoveEventListener = proto.removeEventListener;
+ proto.removeEventListener = function(nativeEventName, cb) {
+ if (nativeEventName !== eventNameToWrap || !this._eventMap
+ || !this._eventMap[cb]) {
+ return nativeRemoveEventListener.apply(this, arguments);
+ }
+ var unwrappedCb = this._eventMap[cb];
+ delete this._eventMap[cb];
+ return nativeRemoveEventListener.apply(this, [nativeEventName,
+ unwrappedCb]);
+ };
+
+ Object.defineProperty(proto, 'on' + eventNameToWrap, {
+ get: function() {
+ return this['_on' + eventNameToWrap];
+ },
+ set: function(cb) {
+ if (this['_on' + eventNameToWrap]) {
+ this.removeEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap]);
+ delete this['_on' + eventNameToWrap];
+ }
+ if (cb) {
+ this.addEventListener(eventNameToWrap,
+ this['_on' + eventNameToWrap] = cb);
+ }
+ }
+ });
+}
+
+// Utility methods.
+module.exports = {
+ extractVersion: extractVersion,
+ wrapPeerConnectionEvent: wrapPeerConnectionEvent,
+ disableLog: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ logDisabled_ = bool;
+ return (bool) ? 'adapter.js logging disabled' :
+ 'adapter.js logging enabled';
+ },
+
+ /**
+ * Disable or enable deprecation warnings
+ * @param {!boolean} bool set to true to disable warnings.
+ */
+ disableWarnings: function(bool) {
+ if (typeof bool !== 'boolean') {
+ return new Error('Argument type: ' + typeof bool +
+ '. Please use a boolean.');
+ }
+ deprecationWarnings_ = !bool;
+ return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
+ },
+
+ log: function() {
+ if (typeof window === 'object') {
+ if (logDisabled_) {
+ return;
+ }
+ if (typeof console !== 'undefined' && typeof console.log === 'function') {
+ console.log.apply(console, arguments);
+ }
+ }
+ },
+
+ /**
+ * Shows a deprecation warning suggesting the modern and spec-compatible API.
+ */
+ deprecated: function(oldMethod, newMethod) {
+ if (!deprecationWarnings_) {
+ return;
+ }
+ console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
+ ' instead.');
+ },
+
+ /**
+ * Browser detector.
+ *
+ * @return {object} result containing browser and version
+ * properties.
+ */
+ detectBrowser: function(window) {
+ var navigator = window && window.navigator;
+
+ // Returned result object.
+ var result = {};
+ result.browser = null;
+ result.version = null;
+
+ // Fail early if it's not a browser
+ if (typeof window === 'undefined' || !window.navigator) {
+ result.browser = 'Not a browser.';
+ return result;
+ }
+
+ if (navigator.mozGetUserMedia) { // Firefox.
+ result.browser = 'firefox';
+ result.version = extractVersion(navigator.userAgent,
+ /Firefox\/(\d+)\./, 1);
+ } else if (navigator.webkitGetUserMedia) {
+ // Chrome, Chromium, Webview, Opera.
+ // Version matches Chrome/WebRTC version.
+ result.browser = 'chrome';
+ result.version = extractVersion(navigator.userAgent,
+ /Chrom(e|ium)\/(\d+)\./, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
+ result.browser = 'edge';
+ result.version = extractVersion(navigator.userAgent,
+ /Edge\/(\d+).(\d+)$/, 2);
+ } else if (navigator.mediaDevices &&
+ navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
+ result.browser = 'safari';
+ result.version = extractVersion(navigator.userAgent,
+ /AppleWebKit\/(\d+)\./, 1);
+ } else { // Default fallthrough: not supported.
+ result.browser = 'Not a supported browser.';
+ return result;
+ }
+
+ return result;
+ }
+};
+
+},{}]},{},[3])(3)
+});
\ No newline at end of file