!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.statistics=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
 * Provides statistics for the local stream.
 */


/**
 * Size of the webaudio analizer buffer.
 * @type {number}
 */
var WEBAUDIO_ANALIZER_FFT_SIZE = 2048;

/**
 * Value of the webaudio analizer smoothing time parameter.
 * @type {number}
 */
var WEBAUDIO_ANALIZER_SMOOTING_TIME = 0.8;

/**
 * Converts time domain data array to audio level.
 * @param array the time domain data array.
 * @returns {number} the audio level
 */
function timeDomainDataToAudioLevel(samples) {

    var maxVolume = 0;

    var length = samples.length;

    for (var i = 0; i < length; i++) {
        if (maxVolume < samples[i])
            maxVolume = samples[i];
    }

    return parseFloat(((maxVolume - 127) / 128).toFixed(3));
};

/**
 * Animates audio level change
 * @param newLevel the new audio level
 * @param lastLevel the last audio level
 * @returns {Number} the audio level to be set
 */
function animateLevel(newLevel, lastLevel)
{
    var value = 0;
    var diff = lastLevel - newLevel;
    if(diff > 0.2)
    {
        value = lastLevel - 0.2;
    }
    else if(diff < -0.4)
    {
        value = lastLevel + 0.4;
    }
    else
    {
        value = newLevel;
    }

    return parseFloat(value.toFixed(3));
}


/**
 * <tt>LocalStatsCollector</tt> calculates statistics for the local stream.
 *
 * @param stream the local stream
 * @param interval stats refresh interval given in ms.
 * @param {function(LocalStatsCollector)} updateCallback the callback called on stats
 *                                   update.
 * @constructor
 */
function LocalStatsCollector(stream, interval, statisticsService, eventEmitter) {
    window.AudioContext = window.AudioContext || window.webkitAudioContext;
    this.stream = stream;
    this.intervalId = null;
    this.intervalMilis = interval;
    this.eventEmitter = eventEmitter;
    this.audioLevel = 0;
    this.statisticsService = statisticsService;
}

/**
 * Starts the collecting the statistics.
 */
LocalStatsCollector.prototype.start = function () {
    if (!window.AudioContext)
        return;

    var context = new AudioContext();
    var analyser = context.createAnalyser();
    analyser.smoothingTimeConstant = WEBAUDIO_ANALIZER_SMOOTING_TIME;
    analyser.fftSize = WEBAUDIO_ANALIZER_FFT_SIZE;


    var source = context.createMediaStreamSource(this.stream);
    source.connect(analyser);


    var self = this;

    this.intervalId = setInterval(
        function () {
            var array = new Uint8Array(analyser.frequencyBinCount);
            analyser.getByteTimeDomainData(array);
            var audioLevel = timeDomainDataToAudioLevel(array);
            if(audioLevel != self.audioLevel) {
                self.audioLevel = animateLevel(audioLevel, self.audioLevel);
                self.eventEmitter.emit(
                    "statistics.audioLevel",
                    self.statisticsService.LOCAL_JID,
                    self.audioLevel);
            }
        },
        this.intervalMilis
    );

};

/**
 * Stops collecting the statistics.
 */
LocalStatsCollector.prototype.stop = function () {
    if (this.intervalId) {
        clearInterval(this.intervalId);
        this.intervalId = null;
    }
};

module.exports = LocalStatsCollector;
},{}],2:[function(require,module,exports){
/* global focusMucJid, ssrc2jid */
/* jshint -W117 */
/**
 * Calculates packet lost percent using the number of lost packets and the
 * number of all packet.
 * @param lostPackets the number of lost packets
 * @param totalPackets the number of all packets.
 * @returns {number} packet loss percent
 */
function calculatePacketLoss(lostPackets, totalPackets) {
    if(!totalPackets || totalPackets <= 0 || !lostPackets || lostPackets <= 0)
        return 0;
    return Math.round((lostPackets/totalPackets)*100);
}

function getStatValue(item, name) {
    if(!keyMap[RTC.getBrowserType()][name])
        throw "The property isn't supported!";
    var key = keyMap[RTC.getBrowserType()][name];
    return RTC.getBrowserType() == RTCBrowserType.RTC_BROWSER_CHROME? item.stat(key) : item[key];
}

/**
 * Peer statistics data holder.
 * @constructor
 */
function PeerStats()
{
    this.ssrc2Loss = {};
    this.ssrc2AudioLevel = {};
    this.ssrc2bitrate = {};
    this.ssrc2resolution = {};
}

/**
 * The bandwidth
 * @type {{}}
 */
PeerStats.bandwidth = {};

/**
 * The bit rate
 * @type {{}}
 */
PeerStats.bitrate = {};



/**
 * The packet loss rate
 * @type {{}}
 */
PeerStats.packetLoss = null;

/**
 * Sets packets loss rate for given <tt>ssrc</tt> that blong to the peer
 * represented by this instance.
 * @param ssrc audio or video RTP stream SSRC.
 * @param lossRate new packet loss rate value to be set.
 */
PeerStats.prototype.setSsrcLoss = function (ssrc, lossRate)
{
    this.ssrc2Loss[ssrc] = lossRate;
};

/**
 * Sets resolution for given <tt>ssrc</tt> that belong to the peer
 * represented by this instance.
 * @param ssrc audio or video RTP stream SSRC.
 * @param resolution new resolution value to be set.
 */
PeerStats.prototype.setSsrcResolution = function (ssrc, resolution)
{
    if(resolution === null && this.ssrc2resolution[ssrc])
    {
        delete this.ssrc2resolution[ssrc];
    }
    else if(resolution !== null)
        this.ssrc2resolution[ssrc] = resolution;
};

/**
 * Sets the bit rate for given <tt>ssrc</tt> that blong to the peer
 * represented by this instance.
 * @param ssrc audio or video RTP stream SSRC.
 * @param bitrate new bitrate value to be set.
 */
PeerStats.prototype.setSsrcBitrate = function (ssrc, bitrate)
{
    if(this.ssrc2bitrate[ssrc])
    {
        this.ssrc2bitrate[ssrc].download += bitrate.download;
        this.ssrc2bitrate[ssrc].upload += bitrate.upload;
    }
    else {
        this.ssrc2bitrate[ssrc] = bitrate;
    }
};

/**
 * Sets new audio level(input or output) for given <tt>ssrc</tt> that identifies
 * the stream which belongs to the peer represented by this instance.
 * @param ssrc RTP stream SSRC for which current audio level value will be
 *        updated.
 * @param audioLevel the new audio level value to be set. Value is truncated to
 *        fit the range from 0 to 1.
 */
PeerStats.prototype.setSsrcAudioLevel = function (ssrc, audioLevel)
{
    // Range limit 0 - 1
    this.ssrc2AudioLevel[ssrc] = Math.min(Math.max(audioLevel, 0), 1);
};

/**
 * Array with the transport information.
 * @type {Array}
 */
PeerStats.transport = [];


/**
 * <tt>StatsCollector</tt> registers for stats updates of given
 * <tt>peerconnection</tt> in given <tt>interval</tt>. On each update particular
 * stats are extracted and put in {@link PeerStats} objects. Once the processing
 * is done <tt>audioLevelsUpdateCallback</tt> is called with <tt>this</tt>
 * instance as an event source.
 *
 * @param peerconnection webRTC peer connection object.
 * @param interval stats refresh interval given in ms.
 * @param {function(StatsCollector)} audioLevelsUpdateCallback the callback
 * called on stats update.
 * @constructor
 */
function StatsCollector(peerconnection, audioLevelsInterval, statsInterval, eventEmitter)
{
    this.peerconnection = peerconnection;
    this.baselineAudioLevelsReport = null;
    this.currentAudioLevelsReport = null;
    this.currentStatsReport = null;
    this.baselineStatsReport = null;
    this.audioLevelsIntervalId = null;
    this.eventEmitter = eventEmitter;

    /**
     * Gather PeerConnection stats once every this many milliseconds.
     */
    this.GATHER_INTERVAL = 10000;

    /**
     * Log stats via the focus once every this many milliseconds.
     */
    this.LOG_INTERVAL = 60000;

    /**
     * Gather stats and store them in this.statsToBeLogged.
     */
    this.gatherStatsIntervalId = null;

    /**
     * Send the stats already saved in this.statsToBeLogged to be logged via
     * the focus.
     */
    this.logStatsIntervalId = null;

    /**
     * Stores the statistics which will be send to the focus to be logged.
     */
    this.statsToBeLogged =
    {
        timestamps: [],
        stats: {}
    };

    // Updates stats interval
    this.audioLevelsIntervalMilis = audioLevelsInterval;

    this.statsIntervalId = null;
    this.statsIntervalMilis = statsInterval;
    // Map of jids to PeerStats
    this.jid2stats = {};
}

module.exports = StatsCollector;

/**
 * Stops stats updates.
 */
StatsCollector.prototype.stop = function ()
{
    if (this.audioLevelsIntervalId)
    {
        clearInterval(this.audioLevelsIntervalId);
        this.audioLevelsIntervalId = null;
        clearInterval(this.statsIntervalId);
        this.statsIntervalId = null;
        clearInterval(this.logStatsIntervalId);
        this.logStatsIntervalId = null;
        clearInterval(this.gatherStatsIntervalId);
        this.gatherStatsIntervalId = null;
    }
};

/**
 * Callback passed to <tt>getStats</tt> method.
 * @param error an error that occurred on <tt>getStats</tt> call.
 */
StatsCollector.prototype.errorCallback = function (error)
{
    console.error("Get stats error", error);
    this.stop();
};

/**
 * Starts stats updates.
 */
StatsCollector.prototype.start = function ()
{
    var self = this;
    this.audioLevelsIntervalId = setInterval(
        function ()
        {
            // Interval updates
            self.peerconnection.getStats(
                function (report)
                {
                    var results = null;
                    if(!report || !report.result || typeof report.result != 'function')
                    {
                        results = report;
                    }
                    else
                    {
                        results = report.result();
                    }
                    //console.error("Got interval report", results);
                    self.currentAudioLevelsReport = results;
                    self.processAudioLevelReport();
                    self.baselineAudioLevelsReport =
                        self.currentAudioLevelsReport;
                },
                self.errorCallback
            );
        },
        self.audioLevelsIntervalMilis
    );

    this.statsIntervalId = setInterval(
        function () {
            // Interval updates
            self.peerconnection.getStats(
                function (report)
                {
                    var results = null;
                    if(!report || !report.result || typeof report.result != 'function')
                    {
                        //firefox
                        results = report;
                    }
                    else
                    {
                        //chrome
                        results = report.result();
                    }
                    //console.error("Got interval report", results);
                    self.currentStatsReport = results;
                    try
                    {
                        self.processStatsReport();
                    }
                    catch(e)
                    {
                        console.error("Unsupported key:" + e);
                    }

                    self.baselineStatsReport = self.currentStatsReport;
                },
                self.errorCallback
            );
        },
        self.statsIntervalMilis
    );

    if (config.logStats) {
        this.gatherStatsIntervalId = setInterval(
            function () {
                self.peerconnection.getStats(
                    function (report) {
                        self.addStatsToBeLogged(report.result());
                    },
                    function () {
                    }
                );
            },
            this.GATHER_INTERVAL
        );

        this.logStatsIntervalId = setInterval(
            function() { self.logStats(); },
            this.LOG_INTERVAL);
    }
};

/**
 * Converts the stats to the format used for logging, and saves the data in
 * this.statsToBeLogged.
 * @param reports Reports as given by webkitRTCPerConnection.getStats.
 */
StatsCollector.prototype.addStatsToBeLogged = function (reports) {
    var self = this;
    var num_records = this.statsToBeLogged.timestamps.length;
    this.statsToBeLogged.timestamps.push(new Date().getTime());
    reports.map(function (report) {
        var stat = self.statsToBeLogged.stats[report.id];
        if (!stat) {
            stat = self.statsToBeLogged.stats[report.id] = {};
        }
        stat.type = report.type;
        report.names().map(function (name) {
            var values = stat[name];
            if (!values) {
                values = stat[name] = [];
            }
            while (values.length < num_records) {
                values.push(null);
            }
            values.push(report.stat(name));
        });
    });
};

StatsCollector.prototype.logStats = function () {
    if (!focusMucJid) {
        return;
    }

    var deflate = true;

    var content = JSON.stringify(this.statsToBeLogged);
    if (deflate) {
        content = String.fromCharCode.apply(null, Pako.deflateRaw(content));
    }
    content = Base64.encode(content);

    // XEP-0337-ish
    var message = $msg({to: focusMucJid, type: 'normal'});
    message.c('log', { xmlns: 'urn:xmpp:eventlog',
        id: 'PeerConnectionStats'});
    message.c('message').t(content).up();
    if (deflate) {
        message.c('tag', {name: "deflated", value: "true"}).up();
    }
    message.up();

    connection.send(message);

    // Reset the stats
    this.statsToBeLogged.stats = {};
    this.statsToBeLogged.timestamps = [];
};
var keyMap = {};
keyMap[RTCBrowserType.RTC_BROWSER_FIREFOX] = {
    "ssrc": "ssrc",
    "packetsReceived": "packetsReceived",
    "packetsLost": "packetsLost",
    "packetsSent": "packetsSent",
    "bytesReceived": "bytesReceived",
    "bytesSent": "bytesSent"
};
keyMap[RTCBrowserType.RTC_BROWSER_CHROME] = {
    "receiveBandwidth": "googAvailableReceiveBandwidth",
    "sendBandwidth": "googAvailableSendBandwidth",
    "remoteAddress": "googRemoteAddress",
    "transportType": "googTransportType",
    "localAddress": "googLocalAddress",
    "activeConnection": "googActiveConnection",
    "ssrc": "ssrc",
    "packetsReceived": "packetsReceived",
    "packetsSent": "packetsSent",
    "packetsLost": "packetsLost",
    "bytesReceived": "bytesReceived",
    "bytesSent": "bytesSent",
    "googFrameHeightReceived": "googFrameHeightReceived",
    "googFrameWidthReceived": "googFrameWidthReceived",
    "googFrameHeightSent": "googFrameHeightSent",
    "googFrameWidthSent": "googFrameWidthSent",
    "audioInputLevel": "audioInputLevel",
    "audioOutputLevel": "audioOutputLevel"
};


/**
 * Stats processing logic.
 */
StatsCollector.prototype.processStatsReport = function () {
    if (!this.baselineStatsReport) {
        return;
    }

    for (var idx in this.currentStatsReport) {
        var now = this.currentStatsReport[idx];
        try {
            if (getStatValue(now, 'receiveBandwidth') ||
                getStatValue(now, 'sendBandwidth')) {
                PeerStats.bandwidth = {
                    "download": Math.round(
                            (getStatValue(now, 'receiveBandwidth')) / 1000),
                    "upload": Math.round(
                            (getStatValue(now, 'sendBandwidth')) / 1000)
                };
            }
        }
        catch(e){/*not supported*/}

        if(now.type == 'googCandidatePair')
        {
            var ip, type, localIP, active;
            try {
                ip = getStatValue(now, 'remoteAddress');
                type = getStatValue(now, "transportType");
                localIP = getStatValue(now, "localAddress");
                active = getStatValue(now, "activeConnection");
            }
            catch(e){/*not supported*/}
            if(!ip || !type || !localIP || active != "true")
                continue;
            var addressSaved = false;
            for(var i = 0; i < PeerStats.transport.length; i++)
            {
                if(PeerStats.transport[i].ip == ip &&
                    PeerStats.transport[i].type == type &&
                    PeerStats.transport[i].localip == localIP)
                {
                    addressSaved = true;
                }
            }
            if(addressSaved)
                continue;
            PeerStats.transport.push({localip: localIP, ip: ip, type: type});
            continue;
        }

        if(now.type == "candidatepair")
        {
            if(now.state == "succeeded")
                continue;

            var local = this.currentStatsReport[now.localCandidateId];
            var remote = this.currentStatsReport[now.remoteCandidateId];
            PeerStats.transport.push({localip: local.ipAddress + ":" + local.portNumber,
                ip: remote.ipAddress + ":" + remote.portNumber, type: local.transport});

        }

        if (now.type != 'ssrc' && now.type != "outboundrtp" &&
            now.type != "inboundrtp") {
            continue;
        }

        var before = this.baselineStatsReport[idx];
        if (!before) {
            console.warn(getStatValue(now, 'ssrc') + ' not enough data');
            continue;
        }

        var ssrc = getStatValue(now, 'ssrc');
        if(!ssrc)
            continue;
        var jid = ssrc2jid[ssrc];
        if (!jid) {
            console.warn("No jid for ssrc: " + ssrc);
            continue;
        }

        var jidStats = this.jid2stats[jid];
        if (!jidStats) {
            jidStats = new PeerStats();
            this.jid2stats[jid] = jidStats;
        }


        var isDownloadStream = true;
        var key = 'packetsReceived';
        if (!getStatValue(now, key))
        {
            isDownloadStream = false;
            key = 'packetsSent';
            if (!getStatValue(now, key))
            {
                console.warn("No packetsReceived nor packetSent stat found");
                continue;
            }
        }
        var packetsNow = getStatValue(now, key);
        if(!packetsNow || packetsNow < 0)
            packetsNow = 0;

        var packetsBefore = getStatValue(before, key);
        if(!packetsBefore || packetsBefore < 0)
            packetsBefore = 0;
        var packetRate = packetsNow - packetsBefore;
        if(!packetRate || packetRate < 0)
            packetRate = 0;
        var currentLoss = getStatValue(now, 'packetsLost');
        if(!currentLoss || currentLoss < 0)
            currentLoss = 0;
        var previousLoss = getStatValue(before, 'packetsLost');
        if(!previousLoss || previousLoss < 0)
            previousLoss = 0;
        var lossRate = currentLoss - previousLoss;
        if(!lossRate || lossRate < 0)
            lossRate = 0;
        var packetsTotal = (packetRate + lossRate);

        jidStats.setSsrcLoss(ssrc,
            {"packetsTotal": packetsTotal,
                "packetsLost": lossRate,
                "isDownloadStream": isDownloadStream});


        var bytesReceived = 0, bytesSent = 0;
        if(getStatValue(now, "bytesReceived"))
        {
            bytesReceived = getStatValue(now, "bytesReceived") -
                getStatValue(before, "bytesReceived");
        }

        if(getStatValue(now, "bytesSent"))
        {
            bytesSent = getStatValue(now, "bytesSent") -
                getStatValue(before, "bytesSent");
        }

        var time = Math.round((now.timestamp - before.timestamp) / 1000);
        if(bytesReceived <= 0 || time <= 0)
        {
            bytesReceived = 0;
        }
        else
        {
            bytesReceived = Math.round(((bytesReceived * 8) / time) / 1000);
        }

        if(bytesSent <= 0 || time <= 0)
        {
            bytesSent = 0;
        }
        else
        {
            bytesSent = Math.round(((bytesSent * 8) / time) / 1000);
        }

        jidStats.setSsrcBitrate(ssrc, {
            "download": bytesReceived,
            "upload": bytesSent});

        var resolution = {height: null, width: null};
        try {
            if (getStatValue(now, "googFrameHeightReceived") &&
                getStatValue(now, "googFrameWidthReceived")) {
                resolution.height = getStatValue(now, "googFrameHeightReceived");
                resolution.width = getStatValue(now, "googFrameWidthReceived");
            }
            else if (getStatValue(now, "googFrameHeightSent") &&
                getStatValue(now, "googFrameWidthSent")) {
                resolution.height = getStatValue(now, "googFrameHeightSent");
                resolution.width = getStatValue(now, "googFrameWidthSent");
            }
        }
        catch(e){/*not supported*/}

        if(resolution.height && resolution.width)
        {
            jidStats.setSsrcResolution(ssrc, resolution);
        }
        else
        {
            jidStats.setSsrcResolution(ssrc, null);
        }


    }

    var self = this;
    // Jid stats
    var totalPackets = {download: 0, upload: 0};
    var lostPackets = {download: 0, upload: 0};
    var bitrateDownload = 0;
    var bitrateUpload = 0;
    var resolutions = {};
    Object.keys(this.jid2stats).forEach(
        function (jid)
        {
            Object.keys(self.jid2stats[jid].ssrc2Loss).forEach(
                function (ssrc)
                {
                    var type = "upload";
                    if(self.jid2stats[jid].ssrc2Loss[ssrc].isDownloadStream)
                        type = "download";
                    totalPackets[type] +=
                        self.jid2stats[jid].ssrc2Loss[ssrc].packetsTotal;
                    lostPackets[type] +=
                        self.jid2stats[jid].ssrc2Loss[ssrc].packetsLost;
                }
            );
            Object.keys(self.jid2stats[jid].ssrc2bitrate).forEach(
                function (ssrc) {
                    bitrateDownload +=
                        self.jid2stats[jid].ssrc2bitrate[ssrc].download;
                    bitrateUpload +=
                        self.jid2stats[jid].ssrc2bitrate[ssrc].upload;

                    delete self.jid2stats[jid].ssrc2bitrate[ssrc];
                }
            );
            resolutions[jid] = self.jid2stats[jid].ssrc2resolution;
        }
    );

    PeerStats.bitrate = {"upload": bitrateUpload, "download": bitrateDownload};

    PeerStats.packetLoss = {
        total:
            calculatePacketLoss(lostPackets.download + lostPackets.upload,
                    totalPackets.download + totalPackets.upload),
        download:
            calculatePacketLoss(lostPackets.download, totalPackets.download),
        upload:
            calculatePacketLoss(lostPackets.upload, totalPackets.upload)
    };
    this.eventEmitter.emit("statistics.connectionstats",
        {
            "bitrate": PeerStats.bitrate,
            "packetLoss": PeerStats.packetLoss,
            "bandwidth": PeerStats.bandwidth,
            "resolution": resolutions,
            "transport": PeerStats.transport
        });
    PeerStats.transport = [];

};

/**
 * Stats processing logic.
 */
StatsCollector.prototype.processAudioLevelReport = function ()
{
    if (!this.baselineAudioLevelsReport)
    {
        return;
    }

    for (var idx in this.currentAudioLevelsReport)
    {
        var now = this.currentAudioLevelsReport[idx];

        if (now.type != 'ssrc')
        {
            continue;
        }

        var before = this.baselineAudioLevelsReport[idx];
        if (!before)
        {
            console.warn(getStatValue(now, 'ssrc') + ' not enough data');
            continue;
        }

        var ssrc = getStatValue(now, 'ssrc');
        var jid = ssrc2jid[ssrc];
        if (!jid)
        {
            console.warn("No jid for ssrc: " + ssrc);
            continue;
        }

        var jidStats = this.jid2stats[jid];
        if (!jidStats)
        {
            jidStats = new PeerStats();
            this.jid2stats[jid] = jidStats;
        }

        // Audio level
        var audioLevel = null;

        try {
            audioLevel = getStatValue(now, 'audioInputLevel');
            if (!audioLevel)
                audioLevel = getStatValue(now, 'audioOutputLevel');
        }
        catch(e) {/*not supported*/
            console.warn("Audio Levels are not available in the statistics.");
            clearInterval(this.audioLevelsIntervalId);
            return;
        }

        if (audioLevel)
        {
            // TODO: can't find specs about what this value really is,
            // but it seems to vary between 0 and around 32k.
            audioLevel = audioLevel / 32767;
            jidStats.setSsrcAudioLevel(ssrc, audioLevel);
            if(jid != connection.emuc.myroomjid)
                this.eventEmitter.emit("statistics.audioLevel", jid, audioLevel);
        }

    }


};
},{}],3:[function(require,module,exports){
/**
 * Created by hristo on 8/4/14.
 */
var LocalStats = require("./LocalStatsCollector.js");
var RTPStats = require("./RTPStatsCollector.js");
var EventEmitter = require("events");
//These lines should be uncommented when require works in app.js
//var StreamEventTypes = require("../../service/RTC/StreamEventTypes.js");
//var RTCBrowserType = require("../../service/RTC/RTCBrowserType");
//var XMPPEvents = require("../service/xmpp/XMPPEvents");

var eventEmitter = new EventEmitter();

var localStats = null;

var rtpStats = null;

function stopLocal()
{
    if(localStats)
    {
        localStats.stop();
        localStats = null;
    }
}

function stopRemote()
{
    if(rtpStats)
    {
        rtpStats.stop();
        eventEmitter.emit("statistics.stop");
        rtpStats = null;
    }
}

function startRemoteStats (peerconnection) {
    if (config.enableRtpStats)
    {
        if(rtpStats)
        {
            rtpStats.stop();
            rtpStats = null;
        }

        rtpStats = new RTPStats(peerconnection, 200, 2000, eventEmitter);
        rtpStats.start();
    }

}

function onStreamCreated(stream)
{
    if(stream.getAudioTracks().length === 0)
        return;

    localStats = new LocalStats(stream, 100, this,
        eventEmitter);
    localStats.start();
}


var statistics =
{
    /**
     * Indicates that this audio level is for local jid.
     * @type {string}
     */
    LOCAL_JID: 'local',

    addAudioLevelListener: function(listener)
    {
        eventEmitter.on("statistics.audioLevel", listener);
    },

    removeAudioLevelListener: function(listener)
    {
        eventEmitter.removeListener("statistics.audioLevel", listener);
    },

    addConnectionStatsListener: function(listener)
    {
        eventEmitter.on("statistics.connectionstats", listener);
    },

    removeConnectionStatsListener: function(listener)
    {
        eventEmitter.removeListener("statistics.connectionstats", listener);
    },


    addRemoteStatsStopListener: function(listener)
    {
        eventEmitter.on("statistics.stop", listener);
    },

    removeRemoteStatsStopListener: function(listener)
    {
        eventEmitter.removeListener("statistics.stop", listener);
    },

    stop: function () {
        stopLocal();
        stopRemote();
        if(eventEmitter)
        {
            eventEmitter.removeAllListeners();
        }
    },

    stopRemoteStatistics: function()
    {
        stopRemote();
    },

    onConferenceCreated: function (event) {
        startRemoteStats(event.peerconnection);
    },

    onDisposeConference: function (onUnload) {
        stopRemote();
        if(onUnload) {
            stopLocal();
            eventEmitter.removeAllListeners();
        }
    },

    start: function () {
        RTC.addStreamListener(onStreamCreated,
            StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);
    }

};




module.exports = statistics;
},{"./LocalStatsCollector.js":1,"./RTPStatsCollector.js":2,"events":4}],4:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

function EventEmitter() {
  this._events = this._events || {};
  this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
EventEmitter.defaultMaxListeners = 10;

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function(n) {
  if (!isNumber(n) || n < 0 || isNaN(n))
    throw TypeError('n must be a positive number');
  this._maxListeners = n;
  return this;
};

EventEmitter.prototype.emit = function(type) {
  var er, handler, len, args, i, listeners;

  if (!this._events)
    this._events = {};

  // If there is no 'error' event listener then throw.
  if (type === 'error') {
    if (!this._events.error ||
        (isObject(this._events.error) && !this._events.error.length)) {
      er = arguments[1];
      if (er instanceof Error) {
        throw er; // Unhandled 'error' event
      } else {
        throw TypeError('Uncaught, unspecified "error" event.');
      }
      return false;
    }
  }

  handler = this._events[type];

  if (isUndefined(handler))
    return false;

  if (isFunction(handler)) {
    switch (arguments.length) {
      // fast cases
      case 1:
        handler.call(this);
        break;
      case 2:
        handler.call(this, arguments[1]);
        break;
      case 3:
        handler.call(this, arguments[1], arguments[2]);
        break;
      // slower
      default:
        len = arguments.length;
        args = new Array(len - 1);
        for (i = 1; i < len; i++)
          args[i - 1] = arguments[i];
        handler.apply(this, args);
    }
  } else if (isObject(handler)) {
    len = arguments.length;
    args = new Array(len - 1);
    for (i = 1; i < len; i++)
      args[i - 1] = arguments[i];

    listeners = handler.slice();
    len = listeners.length;
    for (i = 0; i < len; i++)
      listeners[i].apply(this, args);
  }

  return true;
};

EventEmitter.prototype.addListener = function(type, listener) {
  var m;

  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events)
    this._events = {};

  // To avoid recursion in the case that type === "newListener"! Before
  // adding it to the listeners, first emit "newListener".
  if (this._events.newListener)
    this.emit('newListener', type,
              isFunction(listener.listener) ?
              listener.listener : listener);

  if (!this._events[type])
    // Optimize the case of one listener. Don't need the extra array object.
    this._events[type] = listener;
  else if (isObject(this._events[type]))
    // If we've already got an array, just append.
    this._events[type].push(listener);
  else
    // Adding the second element, need to change to array.
    this._events[type] = [this._events[type], listener];

  // Check for listener leak
  if (isObject(this._events[type]) && !this._events[type].warned) {
    var m;
    if (!isUndefined(this._maxListeners)) {
      m = this._maxListeners;
    } else {
      m = EventEmitter.defaultMaxListeners;
    }

    if (m && m > 0 && this._events[type].length > m) {
      this._events[type].warned = true;
      console.error('(node) warning: possible EventEmitter memory ' +
                    'leak detected. %d listeners added. ' +
                    'Use emitter.setMaxListeners() to increase limit.',
                    this._events[type].length);
      if (typeof console.trace === 'function') {
        // not supported in IE 10
        console.trace();
      }
    }
  }

  return this;
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.once = function(type, listener) {
  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  var fired = false;

  function g() {
    this.removeListener(type, g);

    if (!fired) {
      fired = true;
      listener.apply(this, arguments);
    }
  }

  g.listener = listener;
  this.on(type, g);

  return this;
};

// emits a 'removeListener' event iff the listener was removed
EventEmitter.prototype.removeListener = function(type, listener) {
  var list, position, length, i;

  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events || !this._events[type])
    return this;

  list = this._events[type];
  length = list.length;
  position = -1;

  if (list === listener ||
      (isFunction(list.listener) && list.listener === listener)) {
    delete this._events[type];
    if (this._events.removeListener)
      this.emit('removeListener', type, listener);

  } else if (isObject(list)) {
    for (i = length; i-- > 0;) {
      if (list[i] === listener ||
          (list[i].listener && list[i].listener === listener)) {
        position = i;
        break;
      }
    }

    if (position < 0)
      return this;

    if (list.length === 1) {
      list.length = 0;
      delete this._events[type];
    } else {
      list.splice(position, 1);
    }

    if (this._events.removeListener)
      this.emit('removeListener', type, listener);
  }

  return this;
};

EventEmitter.prototype.removeAllListeners = function(type) {
  var key, listeners;

  if (!this._events)
    return this;

  // not listening for removeListener, no need to emit
  if (!this._events.removeListener) {
    if (arguments.length === 0)
      this._events = {};
    else if (this._events[type])
      delete this._events[type];
    return this;
  }

  // emit removeListener for all listeners on all events
  if (arguments.length === 0) {
    for (key in this._events) {
      if (key === 'removeListener') continue;
      this.removeAllListeners(key);
    }
    this.removeAllListeners('removeListener');
    this._events = {};
    return this;
  }

  listeners = this._events[type];

  if (isFunction(listeners)) {
    this.removeListener(type, listeners);
  } else {
    // LIFO order
    while (listeners.length)
      this.removeListener(type, listeners[listeners.length - 1]);
  }
  delete this._events[type];

  return this;
};

EventEmitter.prototype.listeners = function(type) {
  var ret;
  if (!this._events || !this._events[type])
    ret = [];
  else if (isFunction(this._events[type]))
    ret = [this._events[type]];
  else
    ret = this._events[type].slice();
  return ret;
};

EventEmitter.listenerCount = function(emitter, type) {
  var ret;
  if (!emitter._events || !emitter._events[type])
    ret = 0;
  else if (isFunction(emitter._events[type]))
    ret = 1;
  else
    ret = emitter._events[type].length;
  return ret;
};

function isFunction(arg) {
  return typeof arg === 'function';
}

function isNumber(arg) {
  return typeof arg === 'number';
}

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}

function isUndefined(arg) {
  return arg === void 0;
}

},{}]},{},[3])(3)
});
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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","/**\n * Provides statistics for the local stream.\n */\n\n\n/**\n * Size of the webaudio analizer buffer.\n * @type {number}\n */\nvar WEBAUDIO_ANALIZER_FFT_SIZE = 2048;\n\n/**\n * Value of the webaudio analizer smoothing time parameter.\n * @type {number}\n */\nvar WEBAUDIO_ANALIZER_SMOOTING_TIME = 0.8;\n\n/**\n * Converts time domain data array to audio level.\n * @param array the time domain data array.\n * @returns {number} the audio level\n */\nfunction timeDomainDataToAudioLevel(samples) {\n\n    var maxVolume = 0;\n\n    var length = samples.length;\n\n    for (var i = 0; i < length; i++) {\n        if (maxVolume < samples[i])\n            maxVolume = samples[i];\n    }\n\n    return parseFloat(((maxVolume - 127) / 128).toFixed(3));\n};\n\n/**\n * Animates audio level change\n * @param newLevel the new audio level\n * @param lastLevel the last audio level\n * @returns {Number} the audio level to be set\n */\nfunction animateLevel(newLevel, lastLevel)\n{\n    var value = 0;\n    var diff = lastLevel - newLevel;\n    if(diff > 0.2)\n    {\n        value = lastLevel - 0.2;\n    }\n    else if(diff < -0.4)\n    {\n        value = lastLevel + 0.4;\n    }\n    else\n    {\n        value = newLevel;\n    }\n\n    return parseFloat(value.toFixed(3));\n}\n\n\n/**\n * <tt>LocalStatsCollector</tt> calculates statistics for the local stream.\n *\n * @param stream the local stream\n * @param interval stats refresh interval given in ms.\n * @param {function(LocalStatsCollector)} updateCallback the callback called on stats\n *                                   update.\n * @constructor\n */\nfunction LocalStatsCollector(stream, interval, statisticsService, eventEmitter) {\n    window.AudioContext = window.AudioContext || window.webkitAudioContext;\n    this.stream = stream;\n    this.intervalId = null;\n    this.intervalMilis = interval;\n    this.eventEmitter = eventEmitter;\n    this.audioLevel = 0;\n    this.statisticsService = statisticsService;\n}\n\n/**\n * Starts the collecting the statistics.\n */\nLocalStatsCollector.prototype.start = function () {\n    if (!window.AudioContext)\n        return;\n\n    var context = new AudioContext();\n    var analyser = context.createAnalyser();\n    analyser.smoothingTimeConstant = WEBAUDIO_ANALIZER_SMOOTING_TIME;\n    analyser.fftSize = WEBAUDIO_ANALIZER_FFT_SIZE;\n\n\n    var source = context.createMediaStreamSource(this.stream);\n    source.connect(analyser);\n\n\n    var self = this;\n\n    this.intervalId = setInterval(\n        function () {\n            var array = new Uint8Array(analyser.frequencyBinCount);\n            analyser.getByteTimeDomainData(array);\n            var audioLevel = timeDomainDataToAudioLevel(array);\n            if(audioLevel != self.audioLevel) {\n                self.audioLevel = animateLevel(audioLevel, self.audioLevel);\n                self.eventEmitter.emit(\n                    \"statistics.audioLevel\",\n                    self.statisticsService.LOCAL_JID,\n                    self.audioLevel);\n            }\n        },\n        this.intervalMilis\n    );\n\n};\n\n/**\n * Stops collecting the statistics.\n */\nLocalStatsCollector.prototype.stop = function () {\n    if (this.intervalId) {\n        clearInterval(this.intervalId);\n        this.intervalId = null;\n    }\n};\n\nmodule.exports = LocalStatsCollector;","/* global focusMucJid, ssrc2jid */\n/* jshint -W117 */\n/**\n * Calculates packet lost percent using the number of lost packets and the\n * number of all packet.\n * @param lostPackets the number of lost packets\n * @param totalPackets the number of all packets.\n * @returns {number} packet loss percent\n */\nfunction calculatePacketLoss(lostPackets, totalPackets) {\n    if(!totalPackets || totalPackets <= 0 || !lostPackets || lostPackets <= 0)\n        return 0;\n    return Math.round((lostPackets/totalPackets)*100);\n}\n\nfunction getStatValue(item, name) {\n    if(!keyMap[RTC.getBrowserType()][name])\n        throw \"The property isn't supported!\";\n    var key = keyMap[RTC.getBrowserType()][name];\n    return RTC.getBrowserType() == RTCBrowserType.RTC_BROWSER_CHROME? item.stat(key) : item[key];\n}\n\n/**\n * Peer statistics data holder.\n * @constructor\n */\nfunction PeerStats()\n{\n    this.ssrc2Loss = {};\n    this.ssrc2AudioLevel = {};\n    this.ssrc2bitrate = {};\n    this.ssrc2resolution = {};\n}\n\n/**\n * The bandwidth\n * @type {{}}\n */\nPeerStats.bandwidth = {};\n\n/**\n * The bit rate\n * @type {{}}\n */\nPeerStats.bitrate = {};\n\n\n\n/**\n * The packet loss rate\n * @type {{}}\n */\nPeerStats.packetLoss = null;\n\n/**\n * Sets packets loss rate for given <tt>ssrc</tt> that blong to the peer\n * represented by this instance.\n * @param ssrc audio or video RTP stream SSRC.\n * @param lossRate new packet loss rate value to be set.\n */\nPeerStats.prototype.setSsrcLoss = function (ssrc, lossRate)\n{\n    this.ssrc2Loss[ssrc] = lossRate;\n};\n\n/**\n * Sets resolution for given <tt>ssrc</tt> that belong to the peer\n * represented by this instance.\n * @param ssrc audio or video RTP stream SSRC.\n * @param resolution new resolution value to be set.\n */\nPeerStats.prototype.setSsrcResolution = function (ssrc, resolution)\n{\n    if(resolution === null && this.ssrc2resolution[ssrc])\n    {\n        delete this.ssrc2resolution[ssrc];\n    }\n    else if(resolution !== null)\n        this.ssrc2resolution[ssrc] = resolution;\n};\n\n/**\n * Sets the bit rate for given <tt>ssrc</tt> that blong to the peer\n * represented by this instance.\n * @param ssrc audio or video RTP stream SSRC.\n * @param bitrate new bitrate value to be set.\n */\nPeerStats.prototype.setSsrcBitrate = function (ssrc, bitrate)\n{\n    if(this.ssrc2bitrate[ssrc])\n    {\n        this.ssrc2bitrate[ssrc].download += bitrate.download;\n        this.ssrc2bitrate[ssrc].upload += bitrate.upload;\n    }\n    else {\n        this.ssrc2bitrate[ssrc] = bitrate;\n    }\n};\n\n/**\n * Sets new audio level(input or output) for given <tt>ssrc</tt> that identifies\n * the stream which belongs to the peer represented by this instance.\n * @param ssrc RTP stream SSRC for which current audio level value will be\n *        updated.\n * @param audioLevel the new audio level value to be set. Value is truncated to\n *        fit the range from 0 to 1.\n */\nPeerStats.prototype.setSsrcAudioLevel = function (ssrc, audioLevel)\n{\n    // Range limit 0 - 1\n    this.ssrc2AudioLevel[ssrc] = Math.min(Math.max(audioLevel, 0), 1);\n};\n\n/**\n * Array with the transport information.\n * @type {Array}\n */\nPeerStats.transport = [];\n\n\n/**\n * <tt>StatsCollector</tt> registers for stats updates of given\n * <tt>peerconnection</tt> in given <tt>interval</tt>. On each update particular\n * stats are extracted and put in {@link PeerStats} objects. Once the processing\n * is done <tt>audioLevelsUpdateCallback</tt> is called with <tt>this</tt>\n * instance as an event source.\n *\n * @param peerconnection webRTC peer connection object.\n * @param interval stats refresh interval given in ms.\n * @param {function(StatsCollector)} audioLevelsUpdateCallback the callback\n * called on stats update.\n * @constructor\n */\nfunction StatsCollector(peerconnection, audioLevelsInterval, statsInterval, eventEmitter)\n{\n    this.peerconnection = peerconnection;\n    this.baselineAudioLevelsReport = null;\n    this.currentAudioLevelsReport = null;\n    this.currentStatsReport = null;\n    this.baselineStatsReport = null;\n    this.audioLevelsIntervalId = null;\n    this.eventEmitter = eventEmitter;\n\n    /**\n     * Gather PeerConnection stats once every this many milliseconds.\n     */\n    this.GATHER_INTERVAL = 10000;\n\n    /**\n     * Log stats via the focus once every this many milliseconds.\n     */\n    this.LOG_INTERVAL = 60000;\n\n    /**\n     * Gather stats and store them in this.statsToBeLogged.\n     */\n    this.gatherStatsIntervalId = null;\n\n    /**\n     * Send the stats already saved in this.statsToBeLogged to be logged via\n     * the focus.\n     */\n    this.logStatsIntervalId = null;\n\n    /**\n     * Stores the statistics which will be send to the focus to be logged.\n     */\n    this.statsToBeLogged =\n    {\n        timestamps: [],\n        stats: {}\n    };\n\n    // Updates stats interval\n    this.audioLevelsIntervalMilis = audioLevelsInterval;\n\n    this.statsIntervalId = null;\n    this.statsIntervalMilis = statsInterval;\n    // Map of jids to PeerStats\n    this.jid2stats = {};\n}\n\nmodule.exports = StatsCollector;\n\n/**\n * Stops stats updates.\n */\nStatsCollector.prototype.stop = function ()\n{\n    if (this.audioLevelsIntervalId)\n    {\n        clearInterval(this.audioLevelsIntervalId);\n        this.audioLevelsIntervalId = null;\n        clearInterval(this.statsIntervalId);\n        this.statsIntervalId = null;\n        clearInterval(this.logStatsIntervalId);\n        this.logStatsIntervalId = null;\n        clearInterval(this.gatherStatsIntervalId);\n        this.gatherStatsIntervalId = null;\n    }\n};\n\n/**\n * Callback passed to <tt>getStats</tt> method.\n * @param error an error that occurred on <tt>getStats</tt> call.\n */\nStatsCollector.prototype.errorCallback = function (error)\n{\n    console.error(\"Get stats error\", error);\n    this.stop();\n};\n\n/**\n * Starts stats updates.\n */\nStatsCollector.prototype.start = function ()\n{\n    var self = this;\n    this.audioLevelsIntervalId = setInterval(\n        function ()\n        {\n            // Interval updates\n            self.peerconnection.getStats(\n                function (report)\n                {\n                    var results = null;\n                    if(!report || !report.result || typeof report.result != 'function')\n                    {\n                        results = report;\n                    }\n                    else\n                    {\n                        results = report.result();\n                    }\n                    //console.error(\"Got interval report\", results);\n                    self.currentAudioLevelsReport = results;\n                    self.processAudioLevelReport();\n                    self.baselineAudioLevelsReport =\n                        self.currentAudioLevelsReport;\n                },\n                self.errorCallback\n            );\n        },\n        self.audioLevelsIntervalMilis\n    );\n\n    this.statsIntervalId = setInterval(\n        function () {\n            // Interval updates\n            self.peerconnection.getStats(\n                function (report)\n                {\n                    var results = null;\n                    if(!report || !report.result || typeof report.result != 'function')\n                    {\n                        //firefox\n                        results = report;\n                    }\n                    else\n                    {\n                        //chrome\n                        results = report.result();\n                    }\n                    //console.error(\"Got interval report\", results);\n                    self.currentStatsReport = results;\n                    try\n                    {\n                        self.processStatsReport();\n                    }\n                    catch(e)\n                    {\n                        console.error(\"Unsupported key:\" + e);\n                    }\n\n                    self.baselineStatsReport = self.currentStatsReport;\n                },\n                self.errorCallback\n            );\n        },\n        self.statsIntervalMilis\n    );\n\n    if (config.logStats) {\n        this.gatherStatsIntervalId = setInterval(\n            function () {\n                self.peerconnection.getStats(\n                    function (report) {\n                        self.addStatsToBeLogged(report.result());\n                    },\n                    function () {\n                    }\n                );\n            },\n            this.GATHER_INTERVAL\n        );\n\n        this.logStatsIntervalId = setInterval(\n            function() { self.logStats(); },\n            this.LOG_INTERVAL);\n    }\n};\n\n/**\n * Converts the stats to the format used for logging, and saves the data in\n * this.statsToBeLogged.\n * @param reports Reports as given by webkitRTCPerConnection.getStats.\n */\nStatsCollector.prototype.addStatsToBeLogged = function (reports) {\n    var self = this;\n    var num_records = this.statsToBeLogged.timestamps.length;\n    this.statsToBeLogged.timestamps.push(new Date().getTime());\n    reports.map(function (report) {\n        var stat = self.statsToBeLogged.stats[report.id];\n        if (!stat) {\n            stat = self.statsToBeLogged.stats[report.id] = {};\n        }\n        stat.type = report.type;\n        report.names().map(function (name) {\n            var values = stat[name];\n            if (!values) {\n                values = stat[name] = [];\n            }\n            while (values.length < num_records) {\n                values.push(null);\n            }\n            values.push(report.stat(name));\n        });\n    });\n};\n\nStatsCollector.prototype.logStats = function () {\n    if (!focusMucJid) {\n        return;\n    }\n\n    var deflate = true;\n\n    var content = JSON.stringify(this.statsToBeLogged);\n    if (deflate) {\n        content = String.fromCharCode.apply(null, Pako.deflateRaw(content));\n    }\n    content = Base64.encode(content);\n\n    // XEP-0337-ish\n    var message = $msg({to: focusMucJid, type: 'normal'});\n    message.c('log', { xmlns: 'urn:xmpp:eventlog',\n        id: 'PeerConnectionStats'});\n    message.c('message').t(content).up();\n    if (deflate) {\n        message.c('tag', {name: \"deflated\", value: \"true\"}).up();\n    }\n    message.up();\n\n    connection.send(message);\n\n    // Reset the stats\n    this.statsToBeLogged.stats = {};\n    this.statsToBeLogged.timestamps = [];\n};\nvar keyMap = {};\nkeyMap[RTCBrowserType.RTC_BROWSER_FIREFOX] = {\n    \"ssrc\": \"ssrc\",\n    \"packetsReceived\": \"packetsReceived\",\n    \"packetsLost\": \"packetsLost\",\n    \"packetsSent\": \"packetsSent\",\n    \"bytesReceived\": \"bytesReceived\",\n    \"bytesSent\": \"bytesSent\"\n};\nkeyMap[RTCBrowserType.RTC_BROWSER_CHROME] = {\n    \"receiveBandwidth\": \"googAvailableReceiveBandwidth\",\n    \"sendBandwidth\": \"googAvailableSendBandwidth\",\n    \"remoteAddress\": \"googRemoteAddress\",\n    \"transportType\": \"googTransportType\",\n    \"localAddress\": \"googLocalAddress\",\n    \"activeConnection\": \"googActiveConnection\",\n    \"ssrc\": \"ssrc\",\n    \"packetsReceived\": \"packetsReceived\",\n    \"packetsSent\": \"packetsSent\",\n    \"packetsLost\": \"packetsLost\",\n    \"bytesReceived\": \"bytesReceived\",\n    \"bytesSent\": \"bytesSent\",\n    \"googFrameHeightReceived\": \"googFrameHeightReceived\",\n    \"googFrameWidthReceived\": \"googFrameWidthReceived\",\n    \"googFrameHeightSent\": \"googFrameHeightSent\",\n    \"googFrameWidthSent\": \"googFrameWidthSent\",\n    \"audioInputLevel\": \"audioInputLevel\",\n    \"audioOutputLevel\": \"audioOutputLevel\"\n};\n\n\n/**\n * Stats processing logic.\n */\nStatsCollector.prototype.processStatsReport = function () {\n    if (!this.baselineStatsReport) {\n        return;\n    }\n\n    for (var idx in this.currentStatsReport) {\n        var now = this.currentStatsReport[idx];\n        try {\n            if (getStatValue(now, 'receiveBandwidth') ||\n                getStatValue(now, 'sendBandwidth')) {\n                PeerStats.bandwidth = {\n                    \"download\": Math.round(\n                            (getStatValue(now, 'receiveBandwidth')) / 1000),\n                    \"upload\": Math.round(\n                            (getStatValue(now, 'sendBandwidth')) / 1000)\n                };\n            }\n        }\n        catch(e){/*not supported*/}\n\n        if(now.type == 'googCandidatePair')\n        {\n            var ip, type, localIP, active;\n            try {\n                ip = getStatValue(now, 'remoteAddress');\n                type = getStatValue(now, \"transportType\");\n                localIP = getStatValue(now, \"localAddress\");\n                active = getStatValue(now, \"activeConnection\");\n            }\n            catch(e){/*not supported*/}\n            if(!ip || !type || !localIP || active != \"true\")\n                continue;\n            var addressSaved = false;\n            for(var i = 0; i < PeerStats.transport.length; i++)\n            {\n                if(PeerStats.transport[i].ip == ip &&\n                    PeerStats.transport[i].type == type &&\n                    PeerStats.transport[i].localip == localIP)\n                {\n                    addressSaved = true;\n                }\n            }\n            if(addressSaved)\n                continue;\n            PeerStats.transport.push({localip: localIP, ip: ip, type: type});\n            continue;\n        }\n\n        if(now.type == \"candidatepair\")\n        {\n            if(now.state == \"succeeded\")\n                continue;\n\n            var local = this.currentStatsReport[now.localCandidateId];\n            var remote = this.currentStatsReport[now.remoteCandidateId];\n            PeerStats.transport.push({localip: local.ipAddress + \":\" + local.portNumber,\n                ip: remote.ipAddress + \":\" + remote.portNumber, type: local.transport});\n\n        }\n\n        if (now.type != 'ssrc' && now.type != \"outboundrtp\" &&\n            now.type != \"inboundrtp\") {\n            continue;\n        }\n\n        var before = this.baselineStatsReport[idx];\n        if (!before) {\n            console.warn(getStatValue(now, 'ssrc') + ' not enough data');\n            continue;\n        }\n\n        var ssrc = getStatValue(now, 'ssrc');\n        if(!ssrc)\n            continue;\n        var jid = ssrc2jid[ssrc];\n        if (!jid) {\n            console.warn(\"No jid for ssrc: \" + ssrc);\n            continue;\n        }\n\n        var jidStats = this.jid2stats[jid];\n        if (!jidStats) {\n            jidStats = new PeerStats();\n            this.jid2stats[jid] = jidStats;\n        }\n\n\n        var isDownloadStream = true;\n        var key = 'packetsReceived';\n        if (!getStatValue(now, key))\n        {\n            isDownloadStream = false;\n            key = 'packetsSent';\n            if (!getStatValue(now, key))\n            {\n                console.warn(\"No packetsReceived nor packetSent stat found\");\n                continue;\n            }\n        }\n        var packetsNow = getStatValue(now, key);\n        if(!packetsNow || packetsNow < 0)\n            packetsNow = 0;\n\n        var packetsBefore = getStatValue(before, key);\n        if(!packetsBefore || packetsBefore < 0)\n            packetsBefore = 0;\n        var packetRate = packetsNow - packetsBefore;\n        if(!packetRate || packetRate < 0)\n            packetRate = 0;\n        var currentLoss = getStatValue(now, 'packetsLost');\n        if(!currentLoss || currentLoss < 0)\n            currentLoss = 0;\n        var previousLoss = getStatValue(before, 'packetsLost');\n        if(!previousLoss || previousLoss < 0)\n            previousLoss = 0;\n        var lossRate = currentLoss - previousLoss;\n        if(!lossRate || lossRate < 0)\n            lossRate = 0;\n        var packetsTotal = (packetRate + lossRate);\n\n        jidStats.setSsrcLoss(ssrc,\n            {\"packetsTotal\": packetsTotal,\n                \"packetsLost\": lossRate,\n                \"isDownloadStream\": isDownloadStream});\n\n\n        var bytesReceived = 0, bytesSent = 0;\n        if(getStatValue(now, \"bytesReceived\"))\n        {\n            bytesReceived = getStatValue(now, \"bytesReceived\") -\n                getStatValue(before, \"bytesReceived\");\n        }\n\n        if(getStatValue(now, \"bytesSent\"))\n        {\n            bytesSent = getStatValue(now, \"bytesSent\") -\n                getStatValue(before, \"bytesSent\");\n        }\n\n        var time = Math.round((now.timestamp - before.timestamp) / 1000);\n        if(bytesReceived <= 0 || time <= 0)\n        {\n            bytesReceived = 0;\n        }\n        else\n        {\n            bytesReceived = Math.round(((bytesReceived * 8) / time) / 1000);\n        }\n\n        if(bytesSent <= 0 || time <= 0)\n        {\n            bytesSent = 0;\n        }\n        else\n        {\n            bytesSent = Math.round(((bytesSent * 8) / time) / 1000);\n        }\n\n        jidStats.setSsrcBitrate(ssrc, {\n            \"download\": bytesReceived,\n            \"upload\": bytesSent});\n\n        var resolution = {height: null, width: null};\n        try {\n            if (getStatValue(now, \"googFrameHeightReceived\") &&\n                getStatValue(now, \"googFrameWidthReceived\")) {\n                resolution.height = getStatValue(now, \"googFrameHeightReceived\");\n                resolution.width = getStatValue(now, \"googFrameWidthReceived\");\n            }\n            else if (getStatValue(now, \"googFrameHeightSent\") &&\n                getStatValue(now, \"googFrameWidthSent\")) {\n                resolution.height = getStatValue(now, \"googFrameHeightSent\");\n                resolution.width = getStatValue(now, \"googFrameWidthSent\");\n            }\n        }\n        catch(e){/*not supported*/}\n\n        if(resolution.height && resolution.width)\n        {\n            jidStats.setSsrcResolution(ssrc, resolution);\n        }\n        else\n        {\n            jidStats.setSsrcResolution(ssrc, null);\n        }\n\n\n    }\n\n    var self = this;\n    // Jid stats\n    var totalPackets = {download: 0, upload: 0};\n    var lostPackets = {download: 0, upload: 0};\n    var bitrateDownload = 0;\n    var bitrateUpload = 0;\n    var resolutions = {};\n    Object.keys(this.jid2stats).forEach(\n        function (jid)\n        {\n            Object.keys(self.jid2stats[jid].ssrc2Loss).forEach(\n                function (ssrc)\n                {\n                    var type = \"upload\";\n                    if(self.jid2stats[jid].ssrc2Loss[ssrc].isDownloadStream)\n                        type = \"download\";\n                    totalPackets[type] +=\n                        self.jid2stats[jid].ssrc2Loss[ssrc].packetsTotal;\n                    lostPackets[type] +=\n                        self.jid2stats[jid].ssrc2Loss[ssrc].packetsLost;\n                }\n            );\n            Object.keys(self.jid2stats[jid].ssrc2bitrate).forEach(\n                function (ssrc) {\n                    bitrateDownload +=\n                        self.jid2stats[jid].ssrc2bitrate[ssrc].download;\n                    bitrateUpload +=\n                        self.jid2stats[jid].ssrc2bitrate[ssrc].upload;\n\n                    delete self.jid2stats[jid].ssrc2bitrate[ssrc];\n                }\n            );\n            resolutions[jid] = self.jid2stats[jid].ssrc2resolution;\n        }\n    );\n\n    PeerStats.bitrate = {\"upload\": bitrateUpload, \"download\": bitrateDownload};\n\n    PeerStats.packetLoss = {\n        total:\n            calculatePacketLoss(lostPackets.download + lostPackets.upload,\n                    totalPackets.download + totalPackets.upload),\n        download:\n            calculatePacketLoss(lostPackets.download, totalPackets.download),\n        upload:\n            calculatePacketLoss(lostPackets.upload, totalPackets.upload)\n    };\n    this.eventEmitter.emit(\"statistics.connectionstats\",\n        {\n            \"bitrate\": PeerStats.bitrate,\n            \"packetLoss\": PeerStats.packetLoss,\n            \"bandwidth\": PeerStats.bandwidth,\n            \"resolution\": resolutions,\n            \"transport\": PeerStats.transport\n        });\n    PeerStats.transport = [];\n\n};\n\n/**\n * Stats processing logic.\n */\nStatsCollector.prototype.processAudioLevelReport = function ()\n{\n    if (!this.baselineAudioLevelsReport)\n    {\n        return;\n    }\n\n    for (var idx in this.currentAudioLevelsReport)\n    {\n        var now = this.currentAudioLevelsReport[idx];\n\n        if (now.type != 'ssrc')\n        {\n            continue;\n        }\n\n        var before = this.baselineAudioLevelsReport[idx];\n        if (!before)\n        {\n            console.warn(getStatValue(now, 'ssrc') + ' not enough data');\n            continue;\n        }\n\n        var ssrc = getStatValue(now, 'ssrc');\n        var jid = ssrc2jid[ssrc];\n        if (!jid)\n        {\n            console.warn(\"No jid for ssrc: \" + ssrc);\n            continue;\n        }\n\n        var jidStats = this.jid2stats[jid];\n        if (!jidStats)\n        {\n            jidStats = new PeerStats();\n            this.jid2stats[jid] = jidStats;\n        }\n\n        // Audio level\n        var audioLevel = null;\n\n        try {\n            audioLevel = getStatValue(now, 'audioInputLevel');\n            if (!audioLevel)\n                audioLevel = getStatValue(now, 'audioOutputLevel');\n        }\n        catch(e) {/*not supported*/\n            console.warn(\"Audio Levels are not available in the statistics.\");\n            clearInterval(this.audioLevelsIntervalId);\n            return;\n        }\n\n        if (audioLevel)\n        {\n            // TODO: can't find specs about what this value really is,\n            // but it seems to vary between 0 and around 32k.\n            audioLevel = audioLevel / 32767;\n            jidStats.setSsrcAudioLevel(ssrc, audioLevel);\n            if(jid != connection.emuc.myroomjid)\n                this.eventEmitter.emit(\"statistics.audioLevel\", jid, audioLevel);\n        }\n\n    }\n\n\n};","/**\n * Created by hristo on 8/4/14.\n */\nvar LocalStats = require(\"./LocalStatsCollector.js\");\nvar RTPStats = require(\"./RTPStatsCollector.js\");\nvar EventEmitter = require(\"events\");\n//These lines should be uncommented when require works in app.js\n//var StreamEventTypes = require(\"../../service/RTC/StreamEventTypes.js\");\n//var RTCBrowserType = require(\"../../service/RTC/RTCBrowserType\");\n//var XMPPEvents = require(\"../service/xmpp/XMPPEvents\");\n\nvar eventEmitter = new EventEmitter();\n\nvar localStats = null;\n\nvar rtpStats = null;\n\nfunction stopLocal()\n{\n    if(localStats)\n    {\n        localStats.stop();\n        localStats = null;\n    }\n}\n\nfunction stopRemote()\n{\n    if(rtpStats)\n    {\n        rtpStats.stop();\n        eventEmitter.emit(\"statistics.stop\");\n        rtpStats = null;\n    }\n}\n\nfunction startRemoteStats (peerconnection) {\n    if (config.enableRtpStats)\n    {\n        if(rtpStats)\n        {\n            rtpStats.stop();\n            rtpStats = null;\n        }\n\n        rtpStats = new RTPStats(peerconnection, 200, 2000, eventEmitter);\n        rtpStats.start();\n    }\n\n}\n\nfunction onStreamCreated(stream)\n{\n    if(stream.getAudioTracks().length === 0)\n        return;\n\n    localStats = new LocalStats(stream, 100, this,\n        eventEmitter);\n    localStats.start();\n}\n\n\nvar statistics =\n{\n    /**\n     * Indicates that this audio level is for local jid.\n     * @type {string}\n     */\n    LOCAL_JID: 'local',\n\n    addAudioLevelListener: function(listener)\n    {\n        eventEmitter.on(\"statistics.audioLevel\", listener);\n    },\n\n    removeAudioLevelListener: function(listener)\n    {\n        eventEmitter.removeListener(\"statistics.audioLevel\", listener);\n    },\n\n    addConnectionStatsListener: function(listener)\n    {\n        eventEmitter.on(\"statistics.connectionstats\", listener);\n    },\n\n    removeConnectionStatsListener: function(listener)\n    {\n        eventEmitter.removeListener(\"statistics.connectionstats\", listener);\n    },\n\n\n    addRemoteStatsStopListener: function(listener)\n    {\n        eventEmitter.on(\"statistics.stop\", listener);\n    },\n\n    removeRemoteStatsStopListener: function(listener)\n    {\n        eventEmitter.removeListener(\"statistics.stop\", listener);\n    },\n\n    stop: function () {\n        stopLocal();\n        stopRemote();\n        if(eventEmitter)\n        {\n            eventEmitter.removeAllListeners();\n        }\n    },\n\n    stopRemoteStatistics: function()\n    {\n        stopRemote();\n    },\n\n    onConferenceCreated: function (event) {\n        startRemoteStats(event.peerconnection);\n    },\n\n    onDisposeConference: function (onUnload) {\n        stopRemote();\n        if(onUnload) {\n            stopLocal();\n            eventEmitter.removeAllListeners();\n        }\n    },\n\n    start: function () {\n        RTC.addStreamListener(onStreamCreated,\n            StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);\n    }\n\n};\n\n\n\n\nmodule.exports = statistics;","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfunction EventEmitter() {\n  this._events = this._events || {};\n  this._maxListeners = this._maxListeners || undefined;\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nEventEmitter.defaultMaxListeners = 10;\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function(n) {\n  if (!isNumber(n) || n < 0 || isNaN(n))\n    throw TypeError('n must be a positive number');\n  this._maxListeners = n;\n  return this;\n};\n\nEventEmitter.prototype.emit = function(type) {\n  var er, handler, len, args, i, listeners;\n\n  if (!this._events)\n    this._events = {};\n\n  // If there is no 'error' event listener then throw.\n  if (type === 'error') {\n    if (!this._events.error ||\n        (isObject(this._events.error) && !this._events.error.length)) {\n      er = arguments[1];\n      if (er instanceof Error) {\n        throw er; // Unhandled 'error' event\n      } else {\n        throw TypeError('Uncaught, unspecified \"error\" event.');\n      }\n      return false;\n    }\n  }\n\n  handler = this._events[type];\n\n  if (isUndefined(handler))\n    return false;\n\n  if (isFunction(handler)) {\n    switch (arguments.length) {\n      // fast cases\n      case 1:\n        handler.call(this);\n        break;\n      case 2:\n        handler.call(this, arguments[1]);\n        break;\n      case 3:\n        handler.call(this, arguments[1], arguments[2]);\n        break;\n      // slower\n      default:\n        len = arguments.length;\n        args = new Array(len - 1);\n        for (i = 1; i < len; i++)\n          args[i - 1] = arguments[i];\n        handler.apply(this, args);\n    }\n  } else if (isObject(handler)) {\n    len = arguments.length;\n    args = new Array(len - 1);\n    for (i = 1; i < len; i++)\n      args[i - 1] = arguments[i];\n\n    listeners = handler.slice();\n    len = listeners.length;\n    for (i = 0; i < len; i++)\n      listeners[i].apply(this, args);\n  }\n\n  return true;\n};\n\nEventEmitter.prototype.addListener = function(type, listener) {\n  var m;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events)\n    this._events = {};\n\n  // To avoid recursion in the case that type === \"newListener\"! Before\n  // adding it to the listeners, first emit \"newListener\".\n  if (this._events.newListener)\n    this.emit('newListener', type,\n              isFunction(listener.listener) ?\n              listener.listener : listener);\n\n  if (!this._events[type])\n    // Optimize the case of one listener. Don't need the extra array object.\n    this._events[type] = listener;\n  else if (isObject(this._events[type]))\n    // If we've already got an array, just append.\n    this._events[type].push(listener);\n  else\n    // Adding the second element, need to change to array.\n    this._events[type] = [this._events[type], listener];\n\n  // Check for listener leak\n  if (isObject(this._events[type]) && !this._events[type].warned) {\n    var m;\n    if (!isUndefined(this._maxListeners)) {\n      m = this._maxListeners;\n    } else {\n      m = EventEmitter.defaultMaxListeners;\n    }\n\n    if (m && m > 0 && this._events[type].length > m) {\n      this._events[type].warned = true;\n      console.error('(node) warning: possible EventEmitter memory ' +\n                    'leak detected. %d listeners added. ' +\n                    'Use emitter.setMaxListeners() to increase limit.',\n                    this._events[type].length);\n      if (typeof console.trace === 'function') {\n        // not supported in IE 10\n        console.trace();\n      }\n    }\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.once = function(type, listener) {\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  var fired = false;\n\n  function g() {\n    this.removeListener(type, g);\n\n    if (!fired) {\n      fired = true;\n      listener.apply(this, arguments);\n    }\n  }\n\n  g.listener = listener;\n  this.on(type, g);\n\n  return this;\n};\n\n// emits a 'removeListener' event iff the listener was removed\nEventEmitter.prototype.removeListener = function(type, listener) {\n  var list, position, length, i;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events || !this._events[type])\n    return this;\n\n  list = this._events[type];\n  length = list.length;\n  position = -1;\n\n  if (list === listener ||\n      (isFunction(list.listener) && list.listener === listener)) {\n    delete this._events[type];\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n\n  } else if (isObject(list)) {\n    for (i = length; i-- > 0;) {\n      if (list[i] === listener ||\n          (list[i].listener && list[i].listener === listener)) {\n        position = i;\n        break;\n      }\n    }\n\n    if (position < 0)\n      return this;\n\n    if (list.length === 1) {\n      list.length = 0;\n      delete this._events[type];\n    } else {\n      list.splice(position, 1);\n    }\n\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n  var key, listeners;\n\n  if (!this._events)\n    return this;\n\n  // not listening for removeListener, no need to emit\n  if (!this._events.removeListener) {\n    if (arguments.length === 0)\n      this._events = {};\n    else if (this._events[type])\n      delete this._events[type];\n    return this;\n  }\n\n  // emit removeListener for all listeners on all events\n  if (arguments.length === 0) {\n    for (key in this._events) {\n      if (key === 'removeListener') continue;\n      this.removeAllListeners(key);\n    }\n    this.removeAllListeners('removeListener');\n    this._events = {};\n    return this;\n  }\n\n  listeners = this._events[type];\n\n  if (isFunction(listeners)) {\n    this.removeListener(type, listeners);\n  } else {\n    // LIFO order\n    while (listeners.length)\n      this.removeListener(type, listeners[listeners.length - 1]);\n  }\n  delete this._events[type];\n\n  return this;\n};\n\nEventEmitter.prototype.listeners = function(type) {\n  var ret;\n  if (!this._events || !this._events[type])\n    ret = [];\n  else if (isFunction(this._events[type]))\n    ret = [this._events[type]];\n  else\n    ret = this._events[type].slice();\n  return ret;\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n  var ret;\n  if (!emitter._events || !emitter._events[type])\n    ret = 0;\n  else if (isFunction(emitter._events[type]))\n    ret = 1;\n  else\n    ret = emitter._events[type].length;\n  return ret;\n};\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\n"]}