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bitrate.html
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<html>
<head>
<meta charset="utf-8">
<title>Import webrtc-internals dumps -- just BWE</title>
<script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
<!-- highcharts is used under the terms of
http://shop.highsoft.com/faq/non-commercial
-->
<script src="https://code.highcharts.com/highcharts.js"></script>
<style>
body, body svg text {
font-family: monospace;
}
</style>
<script src="mangle.js"></script>
<script>
function decompress(baseStats, newStats) {
Object.keys(newStats).forEach(function(id) {
if (!baseStats[id]) {
baseStats[id] = newStats[id];
} else {
var report = newStats[id];
Object.keys(report).forEach(function(name) {
baseStats[id][name] = report[name];
});
}
});
return baseStats;
}
function doImport(evt) {
evt.target.disabled = 'disabled';
var files = evt.target.files;
var reader = new FileReader();
reader.onload = (function(file) {
return function(e) {
if (e.target.result.indexOf('\n') === -1) {
// old format
thelog = JSON.parse(e.target.result);
} else {
// new format, multiple lines
var baseStats = {};
var lines = e.target.result.split('\n');
var client = JSON.parse(lines.shift());
client.peerConnections = {};
client.getUserMedia = [];
lines.forEach(function(line) {
if (line.length) {
var data = JSON.parse(line);
var time = new Date(data.time || data[data.length - 1]);
delete data.time;
switch(data[0]) {
case 'getUserMedia':
case 'getUserMediaOnSuccess':
case 'getUserMediaOnFailure':
case 'navigator.mediaDevices.getUserMedia':
case 'navigator.mediaDevices.getUserMediaOnSuccess':
case 'navigator.mediaDevices.getUserMediaOnFailure':
client.getUserMedia.push({
time: time,
type: data[0],
value: data[2]
});
break;
default:
if (!client.peerConnections[data[1]]) {
client.peerConnections[data[1]] = [];
baseStats[data[1]] = {};
}
if (data[0] === 'getstats') { // delta-compressed
data[2] = decompress(baseStats[data[1]], data[2]);
baseStats[data[1]] = JSON.parse(JSON.stringify(data[2]));
}
if (data[0] === 'getStats' || data[0] === 'getstats') {
data[2] = mangle(data[2]);
data[0] = 'getStats';
}
client.peerConnections[data[1]].push({
time: time,
type: data[0],
value: data[2]
});
break;
}
}
});
thelog = client;
}
importUpdatesAndStats(thelog);
};
})(files[0]);
reader.readAsText(files[0]);
}
function processConnections(connectionIds, data) {
var connid = connectionIds.shift();
if (!connid) return;
window.setTimeout(processConnections, 0, connectionIds, data);
var reportname, statname;
var connection = data.peerConnections[connid];
// then, update the stats displays
var series = {};
var connectedOrCompleted = false;
var firstStats;
var lastStats;
for (var i = 0; i < connection.length; i++) {
if (connection[i].type === 'oniceconnectionstatechange' && (connection[i].value === 'connected' || connection[i].value === 'completed')) {
connectedOrCompleted = true;
}
if (connection[i].type === 'getStats' || connection[i].type === 'getstats') {
var stats = connection[i].value;
Object.keys(stats).forEach(function(id) {
var type = stats[id].type;
if (!(type === 'ssrc' || type === 'inbound-rtp' || type === 'outbound-rtp')) return;
Object.keys(stats[id]).forEach(function(name) {
if (!(name === 'bytesSent' || name === 'bytesReceived')) return;
if (stats[id].type === 'ssrc' && !isNaN(parseInt(stats[id][name], 10))) {
stats[id][name] = parseInt(stats[id][name], 10);
}
if (typeof stats[id][name] === 'number') {
if (!series[id]) series[id] = {};
if (!series[id][name]) {
series[id][name] = [];
}
var currentTime = new Date(connection[i].time).getTime();
var currentValue = stats[id][name];
series[id][name].push([currentTime, currentValue]);
}
});
});
}
}
Object.keys(series).forEach(function(name) {
Object.keys(series[name]).forEach(function(property) {
// calculate delta bytes / delta time.
var delta = series[name][property].map(function(currentValue, index, values) {
if (index === 0) return [currentValue[0], 0];
return [currentValue[0], 8 * 1000 * (currentValue[1] - values[index - 1][1]) / (currentValue[0] - values[index - 1][0])];
});
graph.addSeries({
name: connid + '-' + name + '-' + property,
data: delta
});
});
});
if (connid === "null") return;
var checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.checked = true;
document.getElementById('checkboxes').appendChild(checkbox);
var label = document.createElement('label');
label.innerText = 'Turn on/off all data series from ' + connid;
document.getElementById('checkboxes').appendChild(label);
checkbox.onchange = function() {
graph.series.forEach(function(series) {
if (series.name.indexOf(connid) !== 0) return;
series.setVisible(checkbox.checked, false);
});
graph.redraw();
};
}
var graph;
function importUpdatesAndStats(data) {
document.getElementById('userAgent').innerText = data.userAgent;
var d = document.createElement('div');
d.id = 'chart_' + Date.now();
document.getElementById('container').appendChild(d);
graph = new Highcharts.Chart({
title: {
text: 'bitrates'
},
xAxis: {
type: 'datetime'
},
/*
yAxis: {
min: 0
},
*/
chart: {
zoomType: 'x',
renderTo : d.id
},
series: []
});
window.setTimeout(processConnections, 0, Object.keys(data.peerConnections), data);
}
</script>
</head>
<body>
<form><input type="file" onchange="doImport(event)"></form>
<div><b>User Agent:</b><span id="userAgent"></span></div>
<div id="tables">
</div>
<div id="container" style="min-width: 95%; height: 800px; margin: 0 auto">
<div id="checkboxes"></div>
</div>
</body>
</html>