Remove contrib/jitsimeetbridge (#12909)

1 files changed, 0 insertions, 712 deletions

diff --git a/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js b/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js
deleted file mode 100644
index e99dd7bf96..0000000000
--- a/contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js
+++ /dev/null
@@ -1,712 +0,0 @@
-/* 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;
-};
-