diff --git a/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js b/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js
new file mode 100644
index 0000000000..e99dd7bf96
--- /dev/null
+++ b/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js
@@ -0,0 +1,712 @@
+/* jshint -W117 */
+// SDP STUFF
+function SDP(sdp) {
+ this.media = sdp.split('\r\nm=');
+ for (var i = 1; i < this.media.length; i++) {
+ this.media[i] = 'm=' + this.media[i];
+ if (i != this.media.length - 1) {
+ this.media[i] += '\r\n';
+ }
+ }
+ this.session = this.media.shift() + '\r\n';
+ this.raw = this.session + this.media.join('');
+}
+
+exports.SDP = SDP;
+
+var jsdom = require("jsdom");
+var window = jsdom.jsdom().parentWindow;
+var $ = require('jquery')(window);
+
+var SDPUtil = require('./strophe.jingle.sdp.util.js').SDPUtil;
+
+/**
+ * Returns map of MediaChannel mapped per channel idx.
+ */
+SDP.prototype.getMediaSsrcMap = function() {
+ var self = this;
+ var media_ssrcs = {};
+ for (channelNum = 0; channelNum < self.media.length; channelNum++) {
+ modified = true;
+ tmp = SDPUtil.find_lines(self.media[channelNum], 'a=ssrc:');
+ var type = SDPUtil.parse_mid(SDPUtil.find_line(self.media[channelNum], 'a=mid:'));
+ var channel = new MediaChannel(channelNum, type);
+ media_ssrcs[channelNum] = channel;
+ tmp.forEach(function (line) {
+ var linessrc = line.substring(7).split(' ')[0];
+ // allocate new ChannelSsrc
+ if(!channel.ssrcs[linessrc]) {
+ channel.ssrcs[linessrc] = new ChannelSsrc(linessrc, type);
+ }
+ channel.ssrcs[linessrc].lines.push(line);
+ });
+ tmp = SDPUtil.find_lines(self.media[channelNum], 'a=ssrc-group:');
+ tmp.forEach(function(line){
+ var semantics = line.substr(0, idx).substr(13);
+ var ssrcs = line.substr(14 + semantics.length).split(' ');
+ if (ssrcs.length != 0) {
+ var ssrcGroup = new ChannelSsrcGroup(semantics, ssrcs);
+ channel.ssrcGroups.push(ssrcGroup);
+ }
+ });
+ }
+ return media_ssrcs;
+};
+/**
+ * Returns <tt>true</tt> if this SDP contains given SSRC.
+ * @param ssrc the ssrc to check.
+ * @returns {boolean} <tt>true</tt> if this SDP contains given SSRC.
+ */
+SDP.prototype.containsSSRC = function(ssrc) {
+ var channels = this.getMediaSsrcMap();
+ var contains = false;
+ Object.keys(channels).forEach(function(chNumber){
+ var channel = channels[chNumber];
+ //console.log("Check", channel, ssrc);
+ if(Object.keys(channel.ssrcs).indexOf(ssrc) != -1){
+ contains = true;
+ }
+ });
+ return contains;
+};
+
+/**
+ * Returns map of MediaChannel that contains only media not contained in <tt>otherSdp</tt>. Mapped by channel idx.
+ * @param otherSdp the other SDP to check ssrc with.
+ */
+SDP.prototype.getNewMedia = function(otherSdp) {
+
+ // this could be useful in Array.prototype.
+ function arrayEquals(array) {
+ // if the other array is a falsy value, return
+ if (!array)
+ return false;
+
+ // compare lengths - can save a lot of time
+ if (this.length != array.length)
+ return false;
+
+ for (var i = 0, l=this.length; i < l; i++) {
+ // Check if we have nested arrays
+ if (this[i] instanceof Array && array[i] instanceof Array) {
+ // recurse into the nested arrays
+ if (!this[i].equals(array[i]))
+ return false;
+ }
+ else if (this[i] != array[i]) {
+ // Warning - two different object instances will never be equal: {x:20} != {x:20}
+ return false;
+ }
+ }
+ return true;
+ }
+
+ var myMedia = this.getMediaSsrcMap();
+ var othersMedia = otherSdp.getMediaSsrcMap();
+ var newMedia = {};
+ Object.keys(othersMedia).forEach(function(channelNum) {
+ var myChannel = myMedia[channelNum];
+ var othersChannel = othersMedia[channelNum];
+ if(!myChannel && othersChannel) {
+ // Add whole channel
+ newMedia[channelNum] = othersChannel;
+ return;
+ }
+ // Look for new ssrcs accross the channel
+ Object.keys(othersChannel.ssrcs).forEach(function(ssrc) {
+ if(Object.keys(myChannel.ssrcs).indexOf(ssrc) === -1) {
+ // Allocate channel if we've found ssrc that doesn't exist in our channel
+ if(!newMedia[channelNum]){
+ newMedia[channelNum] = new MediaChannel(othersChannel.chNumber, othersChannel.mediaType);
+ }
+ newMedia[channelNum].ssrcs[ssrc] = othersChannel.ssrcs[ssrc];
+ }
+ });
+
+ // Look for new ssrc groups across the channels
+ othersChannel.ssrcGroups.forEach(function(otherSsrcGroup){
+
+ // try to match the other ssrc-group with an ssrc-group of ours
+ var matched = false;
+ for (var i = 0; i < myChannel.ssrcGroups.length; i++) {
+ var mySsrcGroup = myChannel.ssrcGroups[i];
+ if (otherSsrcGroup.semantics == mySsrcGroup.semantics
+ && arrayEquals.apply(otherSsrcGroup.ssrcs, [mySsrcGroup.ssrcs])) {
+
+ matched = true;
+ break;
+ }
+ }
+
+ if (!matched) {
+ // Allocate channel if we've found an ssrc-group that doesn't
+ // exist in our channel
+
+ if(!newMedia[channelNum]){
+ newMedia[channelNum] = new MediaChannel(othersChannel.chNumber, othersChannel.mediaType);
+ }
+ newMedia[channelNum].ssrcGroups.push(otherSsrcGroup);
+ }
+ });
+ });
+ return newMedia;
+};
+
+// remove iSAC and CN from SDP
+SDP.prototype.mangle = function () {
+ var i, j, mline, lines, rtpmap, newdesc;
+ for (i = 0; i < this.media.length; i++) {
+ lines = this.media[i].split('\r\n');
+ lines.pop(); // remove empty last element
+ mline = SDPUtil.parse_mline(lines.shift());
+ if (mline.media != 'audio')
+ continue;
+ newdesc = '';
+ mline.fmt.length = 0;
+ for (j = 0; j < lines.length; j++) {
+ if (lines[j].substr(0, 9) == 'a=rtpmap:') {
+ rtpmap = SDPUtil.parse_rtpmap(lines[j]);
+ if (rtpmap.name == 'CN' || rtpmap.name == 'ISAC')
+ continue;
+ mline.fmt.push(rtpmap.id);
+ newdesc += lines[j] + '\r\n';
+ } else {
+ newdesc += lines[j] + '\r\n';
+ }
+ }
+ this.media[i] = SDPUtil.build_mline(mline) + '\r\n';
+ this.media[i] += newdesc;
+ }
+ this.raw = this.session + this.media.join('');
+};
+
+// remove lines matching prefix from session section
+SDP.prototype.removeSessionLines = function(prefix) {
+ var self = this;
+ var lines = SDPUtil.find_lines(this.session, prefix);
+ lines.forEach(function(line) {
+ self.session = self.session.replace(line + '\r\n', '');
+ });
+ this.raw = this.session + this.media.join('');
+ return lines;
+}
+// remove lines matching prefix from a media section specified by mediaindex
+// TODO: non-numeric mediaindex could match mid
+SDP.prototype.removeMediaLines = function(mediaindex, prefix) {
+ var self = this;
+ var lines = SDPUtil.find_lines(this.media[mediaindex], prefix);
+ lines.forEach(function(line) {
+ self.media[mediaindex] = self.media[mediaindex].replace(line + '\r\n', '');
+ });
+ this.raw = this.session + this.media.join('');
+ return lines;
+}
+
+// add content's to a jingle element
+SDP.prototype.toJingle = function (elem, thecreator) {
+ var i, j, k, mline, ssrc, rtpmap, tmp, line, lines;
+ var self = this;
+ // new bundle plan
+ if (SDPUtil.find_line(this.session, 'a=group:')) {
+ lines = SDPUtil.find_lines(this.session, 'a=group:');
+ for (i = 0; i < lines.length; i++) {
+ tmp = lines[i].split(' ');
+ var semantics = tmp.shift().substr(8);
+ elem.c('group', {xmlns: 'urn:xmpp:jingle:apps:grouping:0', semantics:semantics});
+ for (j = 0; j < tmp.length; j++) {
+ elem.c('content', {name: tmp[j]}).up();
+ }
+ elem.up();
+ }
+ }
+ // old bundle plan, to be removed
+ var bundle = [];
+ if (SDPUtil.find_line(this.session, 'a=group:BUNDLE')) {
+ bundle = SDPUtil.find_line(this.session, 'a=group:BUNDLE ').split(' ');
+ bundle.shift();
+ }
+ for (i = 0; i < this.media.length; i++) {
+ mline = SDPUtil.parse_mline(this.media[i].split('\r\n')[0]);
+ if (!(mline.media === 'audio' ||
+ mline.media === 'video' ||
+ mline.media === 'application'))
+ {
+ continue;
+ }
+ if (SDPUtil.find_line(this.media[i], 'a=ssrc:')) {
+ ssrc = SDPUtil.find_line(this.media[i], 'a=ssrc:').substring(7).split(' ')[0]; // take the first
+ } else {
+ ssrc = false;
+ }
+
+ elem.c('content', {creator: thecreator, name: mline.media});
+ if (SDPUtil.find_line(this.media[i], 'a=mid:')) {
+ // prefer identifier from a=mid if present
+ var mid = SDPUtil.parse_mid(SDPUtil.find_line(this.media[i], 'a=mid:'));
+ elem.attrs({ name: mid });
+
+ // old BUNDLE plan, to be removed
+ if (bundle.indexOf(mid) !== -1) {
+ elem.c('bundle', {xmlns: 'http://estos.de/ns/bundle'}).up();
+ bundle.splice(bundle.indexOf(mid), 1);
+ }
+ }
+
+ if (SDPUtil.find_line(this.media[i], 'a=rtpmap:').length)
+ {
+ elem.c('description',
+ {xmlns: 'urn:xmpp:jingle:apps:rtp:1',
+ media: mline.media });
+ if (ssrc) {
+ elem.attrs({ssrc: ssrc});
+ }
+ for (j = 0; j < mline.fmt.length; j++) {
+ rtpmap = SDPUtil.find_line(this.media[i], 'a=rtpmap:' + mline.fmt[j]);
+ elem.c('payload-type', SDPUtil.parse_rtpmap(rtpmap));
+ // put any 'a=fmtp:' + mline.fmt[j] lines into <param name=foo value=bar/>
+ if (SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j])) {
+ tmp = SDPUtil.parse_fmtp(SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j]));
+ for (k = 0; k < tmp.length; k++) {
+ elem.c('parameter', tmp[k]).up();
+ }
+ }
+ this.RtcpFbToJingle(i, elem, mline.fmt[j]); // XEP-0293 -- map a=rtcp-fb
+
+ elem.up();
+ }
+ if (SDPUtil.find_line(this.media[i], 'a=crypto:', this.session)) {
+ elem.c('encryption', {required: 1});
+ var crypto = SDPUtil.find_lines(this.media[i], 'a=crypto:', this.session);
+ crypto.forEach(function(line) {
+ elem.c('crypto', SDPUtil.parse_crypto(line)).up();
+ });
+ elem.up(); // end of encryption
+ }
+
+ if (ssrc) {
+ // new style mapping
+ elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
+ // FIXME: group by ssrc and support multiple different ssrcs
+ var ssrclines = SDPUtil.find_lines(this.media[i], 'a=ssrc:');
+ ssrclines.forEach(function(line) {
+ idx = line.indexOf(' ');
+ var linessrc = line.substr(0, idx).substr(7);
+ if (linessrc != ssrc) {
+ elem.up();
+ ssrc = linessrc;
+ elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
+ }
+ var kv = line.substr(idx + 1);
+ elem.c('parameter');
+ if (kv.indexOf(':') == -1) {
+ elem.attrs({ name: kv });
+ } else {
+ elem.attrs({ name: kv.split(':', 2)[0] });
+ elem.attrs({ value: kv.split(':', 2)[1] });
+ }
+ elem.up();
+ });
+ elem.up();
+
+ // old proprietary mapping, to be removed at some point
+ tmp = SDPUtil.parse_ssrc(this.media[i]);
+ tmp.xmlns = 'http://estos.de/ns/ssrc';
+ tmp.ssrc = ssrc;
+ elem.c('ssrc', tmp).up(); // ssrc is part of description
+
+ // XEP-0339 handle ssrc-group attributes
+ var ssrc_group_lines = SDPUtil.find_lines(this.media[i], 'a=ssrc-group:');
+ ssrc_group_lines.forEach(function(line) {
+ idx = line.indexOf(' ');
+ var semantics = line.substr(0, idx).substr(13);
+ var ssrcs = line.substr(14 + semantics.length).split(' ');
+ if (ssrcs.length != 0) {
+ elem.c('ssrc-group', { semantics: semantics, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
+ ssrcs.forEach(function(ssrc) {
+ elem.c('source', { ssrc: ssrc })
+ .up();
+ });
+ elem.up();
+ }
+ });
+ }
+
+ if (SDPUtil.find_line(this.media[i], 'a=rtcp-mux')) {
+ elem.c('rtcp-mux').up();
+ }
+
+ // XEP-0293 -- map a=rtcp-fb:*
+ this.RtcpFbToJingle(i, elem, '*');
+
+ // XEP-0294
+ if (SDPUtil.find_line(this.media[i], 'a=extmap:')) {
+ lines = SDPUtil.find_lines(this.media[i], 'a=extmap:');
+ for (j = 0; j < lines.length; j++) {
+ tmp = SDPUtil.parse_extmap(lines[j]);
+ elem.c('rtp-hdrext', { xmlns: 'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',
+ uri: tmp.uri,
+ id: tmp.value });
+ if (tmp.hasOwnProperty('direction')) {
+ switch (tmp.direction) {
+ case 'sendonly':
+ elem.attrs({senders: 'responder'});
+ break;
+ case 'recvonly':
+ elem.attrs({senders: 'initiator'});
+ break;
+ case 'sendrecv':
+ elem.attrs({senders: 'both'});
+ break;
+ case 'inactive':
+ elem.attrs({senders: 'none'});
+ break;
+ }
+ }
+ // TODO: handle params
+ elem.up();
+ }
+ }
+ elem.up(); // end of description
+ }
+
+ // map ice-ufrag/pwd, dtls fingerprint, candidates
+ this.TransportToJingle(i, elem);
+
+ if (SDPUtil.find_line(this.media[i], 'a=sendrecv', this.session)) {
+ elem.attrs({senders: 'both'});
+ } else if (SDPUtil.find_line(this.media[i], 'a=sendonly', this.session)) {
+ elem.attrs({senders: 'initiator'});
+ } else if (SDPUtil.find_line(this.media[i], 'a=recvonly', this.session)) {
+ elem.attrs({senders: 'responder'});
+ } else if (SDPUtil.find_line(this.media[i], 'a=inactive', this.session)) {
+ elem.attrs({senders: 'none'});
+ }
+ if (mline.port == '0') {
+ // estos hack to reject an m-line
+ elem.attrs({senders: 'rejected'});
+ }
+ elem.up(); // end of content
+ }
+ elem.up();
+ return elem;
+};
+
+SDP.prototype.TransportToJingle = function (mediaindex, elem) {
+ var i = mediaindex;
+ var tmp;
+ var self = this;
+ elem.c('transport');
+
+ // XEP-0343 DTLS/SCTP
+ if (SDPUtil.find_line(this.media[mediaindex], 'a=sctpmap:').length)
+ {
+ var sctpmap = SDPUtil.find_line(
+ this.media[i], 'a=sctpmap:', self.session);
+ if (sctpmap)
+ {
+ var sctpAttrs = SDPUtil.parse_sctpmap(sctpmap);
+ elem.c('sctpmap',
+ {
+ xmlns: 'urn:xmpp:jingle:transports:dtls-sctp:1',
+ number: sctpAttrs[0], /* SCTP port */
+ protocol: sctpAttrs[1], /* protocol */
+ });
+ // Optional stream count attribute
+ if (sctpAttrs.length > 2)
+ elem.attrs({ streams: sctpAttrs[2]});
+ elem.up();
+ }
+ }
+ // XEP-0320
+ var fingerprints = SDPUtil.find_lines(this.media[mediaindex], 'a=fingerprint:', this.session);
+ fingerprints.forEach(function(line) {
+ tmp = SDPUtil.parse_fingerprint(line);
+ tmp.xmlns = 'urn:xmpp:jingle:apps:dtls:0';
+ elem.c('fingerprint').t(tmp.fingerprint);
+ delete tmp.fingerprint;
+ line = SDPUtil.find_line(self.media[mediaindex], 'a=setup:', self.session);
+ if (line) {
+ tmp.setup = line.substr(8);
+ }
+ elem.attrs(tmp);
+ elem.up(); // end of fingerprint
+ });
+ tmp = SDPUtil.iceparams(this.media[mediaindex], this.session);
+ if (tmp) {
+ tmp.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
+ elem.attrs(tmp);
+ // XEP-0176
+ if (SDPUtil.find_line(this.media[mediaindex], 'a=candidate:', this.session)) { // add any a=candidate lines
+ var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=candidate:', this.session);
+ lines.forEach(function (line) {
+ elem.c('candidate', SDPUtil.candidateToJingle(line)).up();
+ });
+ }
+ }
+ elem.up(); // end of transport
+}
+
+SDP.prototype.RtcpFbToJingle = function (mediaindex, elem, payloadtype) { // XEP-0293
+ var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=rtcp-fb:' + payloadtype);
+ lines.forEach(function (line) {
+ var tmp = SDPUtil.parse_rtcpfb(line);
+ if (tmp.type == 'trr-int') {
+ elem.c('rtcp-fb-trr-int', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', value: tmp.params[0]});
+ elem.up();
+ } else {
+ elem.c('rtcp-fb', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', type: tmp.type});
+ if (tmp.params.length > 0) {
+ elem.attrs({'subtype': tmp.params[0]});
+ }
+ elem.up();
+ }
+ });
+};
+
+SDP.prototype.RtcpFbFromJingle = function (elem, payloadtype) { // XEP-0293
+ var media = '';
+ var tmp = elem.find('>rtcp-fb-trr-int[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
+ if (tmp.length) {
+ media += 'a=rtcp-fb:' + '*' + ' ' + 'trr-int' + ' ';
+ if (tmp.attr('value')) {
+ media += tmp.attr('value');
+ } else {
+ media += '0';
+ }
+ media += '\r\n';
+ }
+ tmp = elem.find('>rtcp-fb[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
+ tmp.each(function () {
+ media += 'a=rtcp-fb:' + payloadtype + ' ' + $(this).attr('type');
+ if ($(this).attr('subtype')) {
+ media += ' ' + $(this).attr('subtype');
+ }
+ media += '\r\n';
+ });
+ return media;
+};
+
+// construct an SDP from a jingle stanza
+SDP.prototype.fromJingle = function (jingle) {
+ var self = this;
+ this.raw = 'v=0\r\n' +
+ 'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
+ 's=-\r\n' +
+ 't=0 0\r\n';
+ // http://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-04#section-8
+ if ($(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').length) {
+ $(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').each(function (idx, group) {
+ var contents = $(group).find('>content').map(function (idx, content) {
+ return content.getAttribute('name');
+ }).get();
+ if (contents.length > 0) {
+ self.raw += 'a=group:' + (group.getAttribute('semantics') || group.getAttribute('type')) + ' ' + contents.join(' ') + '\r\n';
+ }
+ });
+ } else if ($(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').length) {
+ // temporary namespace, not to be used. to be removed soon.
+ $(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').each(function (idx, group) {
+ var contents = $(group).find('>content').map(function (idx, content) {
+ return content.getAttribute('name');
+ }).get();
+ if (group.getAttribute('type') !== null && contents.length > 0) {
+ self.raw += 'a=group:' + group.getAttribute('type') + ' ' + contents.join(' ') + '\r\n';
+ }
+ });
+ } else {
+ // for backward compability, to be removed soon
+ // assume all contents are in the same bundle group, can be improved upon later
+ var bundle = $(jingle).find('>content').filter(function (idx, content) {
+ //elem.c('bundle', {xmlns:'http://estos.de/ns/bundle'});
+ return $(content).find('>bundle').length > 0;
+ }).map(function (idx, content) {
+ return content.getAttribute('name');
+ }).get();
+ if (bundle.length) {
+ this.raw += 'a=group:BUNDLE ' + bundle.join(' ') + '\r\n';
+ }
+ }
+
+ this.session = this.raw;
+ jingle.find('>content').each(function () {
+ var m = self.jingle2media($(this));
+ self.media.push(m);
+ });
+
+ // reconstruct msid-semantic -- apparently not necessary
+ /*
+ var msid = SDPUtil.parse_ssrc(this.raw);
+ if (msid.hasOwnProperty('mslabel')) {
+ this.session += "a=msid-semantic: WMS " + msid.mslabel + "\r\n";
+ }
+ */
+
+ this.raw = this.session + this.media.join('');
+};
+
+// translate a jingle content element into an an SDP media part
+SDP.prototype.jingle2media = function (content) {
+ var media = '',
+ desc = content.find('description'),
+ ssrc = desc.attr('ssrc'),
+ self = this,
+ tmp;
+ var sctp = content.find(
+ '>transport>sctpmap[xmlns="urn:xmpp:jingle:transports:dtls-sctp:1"]');
+
+ tmp = { media: desc.attr('media') };
+ tmp.port = '1';
+ if (content.attr('senders') == 'rejected') {
+ // estos hack to reject an m-line.
+ tmp.port = '0';
+ }
+ if (content.find('>transport>fingerprint').length || desc.find('encryption').length) {
+ if (sctp.length)
+ tmp.proto = 'DTLS/SCTP';
+ else
+ tmp.proto = 'RTP/SAVPF';
+ } else {
+ tmp.proto = 'RTP/AVPF';
+ }
+ if (!sctp.length)
+ {
+ tmp.fmt = desc.find('payload-type').map(
+ function () { return this.getAttribute('id'); }).get();
+ media += SDPUtil.build_mline(tmp) + '\r\n';
+ }
+ else
+ {
+ media += 'm=application 1 DTLS/SCTP ' + sctp.attr('number') + '\r\n';
+ media += 'a=sctpmap:' + sctp.attr('number') +
+ ' ' + sctp.attr('protocol');
+
+ var streamCount = sctp.attr('streams');
+ if (streamCount)
+ media += ' ' + streamCount + '\r\n';
+ else
+ media += '\r\n';
+ }
+
+ media += 'c=IN IP4 0.0.0.0\r\n';
+ if (!sctp.length)
+ media += 'a=rtcp:1 IN IP4 0.0.0.0\r\n';
+ //tmp = content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]');
+ tmp = content.find('>bundle>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]');
+ //console.log('transports: '+content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]').length);
+ //console.log('bundle.transports: '+content.find('>bundle>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]').length);
+ //console.log("tmp fingerprint: "+tmp.find('>fingerprint').innerHTML);
+ if (tmp.length) {
+ if (tmp.attr('ufrag')) {
+ media += SDPUtil.build_iceufrag(tmp.attr('ufrag')) + '\r\n';
+ }
+ if (tmp.attr('pwd')) {
+ media += SDPUtil.build_icepwd(tmp.attr('pwd')) + '\r\n';
+ }
+ tmp.find('>fingerprint').each(function () {
+ // FIXME: check namespace at some point
+ media += 'a=fingerprint:' + this.getAttribute('hash');
+ media += ' ' + $(this).text();
+ media += '\r\n';
+ //console.log("mline "+media);
+ if (this.getAttribute('setup')) {
+ media += 'a=setup:' + this.getAttribute('setup') + '\r\n';
+ }
+ });
+ }
+ switch (content.attr('senders')) {
+ case 'initiator':
+ media += 'a=sendonly\r\n';
+ break;
+ case 'responder':
+ media += 'a=recvonly\r\n';
+ break;
+ case 'none':
+ media += 'a=inactive\r\n';
+ break;
+ case 'both':
+ media += 'a=sendrecv\r\n';
+ break;
+ }
+ media += 'a=mid:' + content.attr('name') + '\r\n';
+ /*if (content.attr('name') == 'video') {
+ media += 'a=x-google-flag:conference' + '\r\n';
+ }*/
+
+ // <description><rtcp-mux/></description>
+ // see http://code.google.com/p/libjingle/issues/detail?id=309 -- no spec though
+ // and http://mail.jabber.org/pipermail/jingle/2011-December/001761.html
+ if (desc.find('rtcp-mux').length) {
+ media += 'a=rtcp-mux\r\n';
+ }
+
+ if (desc.find('encryption').length) {
+ desc.find('encryption>crypto').each(function () {
+ media += 'a=crypto:' + this.getAttribute('tag');
+ media += ' ' + this.getAttribute('crypto-suite');
+ media += ' ' + this.getAttribute('key-params');
+ if (this.getAttribute('session-params')) {
+ media += ' ' + this.getAttribute('session-params');
+ }
+ media += '\r\n';
+ });
+ }
+ desc.find('payload-type').each(function () {
+ media += SDPUtil.build_rtpmap(this) + '\r\n';
+ if ($(this).find('>parameter').length) {
+ media += 'a=fmtp:' + this.getAttribute('id') + ' ';
+ media += $(this).find('parameter').map(function () { return (this.getAttribute('name') ? (this.getAttribute('name') + '=') : '') + this.getAttribute('value'); }).get().join('; ');
+ media += '\r\n';
+ }
+ // xep-0293
+ media += self.RtcpFbFromJingle($(this), this.getAttribute('id'));
+ });
+
+ // xep-0293
+ media += self.RtcpFbFromJingle(desc, '*');
+
+ // xep-0294
+ tmp = desc.find('>rtp-hdrext[xmlns="urn:xmpp:jingle:apps:rtp:rtp-hdrext:0"]');
+ tmp.each(function () {
+ media += 'a=extmap:' + this.getAttribute('id') + ' ' + this.getAttribute('uri') + '\r\n';
+ });
+
+ content.find('>bundle>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]>candidate').each(function () {
+ media += SDPUtil.candidateFromJingle(this);
+ });
+
+ // XEP-0339 handle ssrc-group attributes
+ tmp = content.find('description>ssrc-group[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]').each(function() {
+ var semantics = this.getAttribute('semantics');
+ var ssrcs = $(this).find('>source').map(function() {
+ return this.getAttribute('ssrc');
+ }).get();
+
+ if (ssrcs.length != 0) {
+ media += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\r\n';
+ }
+ });
+
+ tmp = content.find('description>source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]');
+ tmp.each(function () {
+ var ssrc = this.getAttribute('ssrc');
+ $(this).find('>parameter').each(function () {
+ media += 'a=ssrc:' + ssrc + ' ' + this.getAttribute('name');
+ if (this.getAttribute('value') && this.getAttribute('value').length)
+ media += ':' + this.getAttribute('value');
+ media += '\r\n';
+ });
+ });
+
+ if (tmp.length === 0) {
+ // fallback to proprietary mapping of a=ssrc lines
+ tmp = content.find('description>ssrc[xmlns="http://estos.de/ns/ssrc"]');
+ if (tmp.length) {
+ media += 'a=ssrc:' + ssrc + ' cname:' + tmp.attr('cname') + '\r\n';
+ media += 'a=ssrc:' + ssrc + ' msid:' + tmp.attr('msid') + '\r\n';
+ media += 'a=ssrc:' + ssrc + ' mslabel:' + tmp.attr('mslabel') + '\r\n';
+ media += 'a=ssrc:' + ssrc + ' label:' + tmp.attr('label') + '\r\n';
+ }
+ }
+ return media;
+};
+
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