rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/tools/loopback_test/loopback_test.html

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2016-06-21 20:13:05 +00:00
<!DOCTYPE html>
<!--
This page was created to help debug and study webrtc issues such as
bandwidth estimation problems. It allows one to easily launch a test
case that establishs a connection between 2 peer connections
-->
<html>
<head>
<title>Loopback test</title>
<!-- In order to plot graphs, this tools uses google visualization API which is
loaded via goog.load provided by google api. -->
<script src="//www.google.com/jsapi"></script>
<!-- This file is included to allow loopback_test.js instantiate a
RTCPeerConnection on a browser and version agnostic way. -->
<script src="adapter.js"></script>
<!-- Provides class StatTracker used by loopback_test.js to keep track of
RTCPeerConnection stats -->
<script src="stat_tracker.js"></script>
<!-- Provides LoopbackTest class which has the core logic for the test itself.
Such as: create 2 peer connections, establish a call, filter turn
candidates, constraint video bitrate etc.
-->
<script src="loopback_test.js"></script>
<style>
#chart {
height: 400px;
}
#control-range {
height: 100px;
}
</style>
</head>
<body>
<div id="test-launcher">
<p>Duration (s): <input id="duration" type="text"></p>
<p>Max video bitrate (kbps): <input id="max-video-bitrate" type="text"></p>
<p>Peer connection constraints: <input id="pc-constraints" type="text"></p>
<p>Force TURN: <input id="force-turn" type="checkbox" checked></p>
<p><input id="launcher-button" type="button" value="Run test">
<div id="test-status" style="display:none"></div>
<div id="dashboard">
<div id="control-category"></div>
<div id="chart"></div>
<div id="control-range"></div>
</div>
</div>
<script>
google.load('visualization', '1.0', {'packages':['controls']});
var durationInput = document.getElementById('duration');
var maxVideoBitrateInput = document.getElementById('max-video-bitrate');
var forceTurnInput = document.getElementById('force-turn');
var launcherButton = document.getElementById('launcher-button');
var autoModeInput = document.createElement('input');
var testStatus = document.getElementById('test-status');
var pcConstraintsInput = document.getElementById('pc-constraints');
launcherButton.onclick = start;
// Load parameters from the url if present. This allows one to link to
// a specific test configuration and is used to automatically pass parameters
// for scripts such as record-test.sh
function getURLParameter(name, default_value) {
var search =
RegExp('(^\\?|&)' + name + '=' + '(.+?)(&|$)').exec(location.search);
if (search)
return decodeURI(search[2]);
else
return default_value;
}
durationInput.value = getURLParameter('duration', 10);
maxVideoBitrateInput.value = getURLParameter('max-video-bitrate', 2000);
forceTurnInput.checked = (getURLParameter('force-turn', 'true') === 'true');
autoModeInput.checked = (getURLParameter('auto-mode', 'false') === 'true');
pcConstraintsInput.value = getURLParameter('pc-constraints', '');
if (autoModeInput.checked) start();
function start() {
var durationMs = parseInt(durationInput.value) * 1000;
var maxVideoBitrateKbps = parseInt(maxVideoBitrateInput.value);
var forceTurn = forceTurnInput.checked;
var autoClose = autoModeInput.checked;
var pcConstraints = pcConstraintsInput.value == "" ?
null : JSON.parse(pcConstraintsInput.value);
var updateStatusInterval;
var testFinished = false;
function updateStatus() {
if (testFinished) {
testStatus.innerHTML = 'Test finished';
if (updateStatusInterval) {
clearInterval(updateStatusInterval);
updateStatusInterval = null;
}
} else {
if (!updateStatusInterval) {
updateStatusInterval = setInterval(updateStatus, 1000);
testStatus.innerHTML = 'Running';
}
testStatus.innerHTML += '.';
}
}
if (!(isFinite(maxVideoBitrateKbps) && maxVideoBitrateKbps > 0)) {
// TODO(andresp): Get a better way to show errors than alert.
alert("Invalid max video bitrate");
return;
}
if (!(isFinite(durationMs) && durationMs > 0)) {
alert("Invalid duration");
return;
}
durationInput.disabled = true;
forceTurnInput.disabled = true;
maxVideoBitrateInput.disabled = true;
launcherButton.style.display = 'none';
testStatus.style.display = 'block';
getUserMedia({audio:true, video:true},
gotStream, function() {});
function gotStream(stream) {
updateStatus();
var test = new LoopbackTest(stream, durationMs,
forceTurn,
pcConstraints,
maxVideoBitrateKbps);
test.run(onTestFinished.bind(test));
}
function onTestFinished() {
testFinished = true;
updateStatus();
if (autoClose) {
window.close();
} else {
plotStats(this.getResults());
}
}
}
function plotStats(data) {
var dashboard = new google.visualization.Dashboard(
document.getElementById('dashboard'));
var chart = new google.visualization.ChartWrapper({
'containerId': 'chart',
'chartType': 'LineChart',
'options': { 'pointSize': 0, 'lineWidth': 1, 'interpolateNulls': true },
});
var rangeFilter = new google.visualization.ControlWrapper({
'controlType': 'ChartRangeFilter',
'containerId': 'control-range',
'options': {
'filterColumnIndex': 0,
'ui': {
'chartType': 'ScatterChart',
'chartOptions': {
'hAxis': {'baselineColor': 'none'}
},
'chartView': {
'columns': [0, 1]
},
'minRangeSize': 1000 // 1 second
}
},
});
// Create a table with the columns of the dataset.
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'columnIndex');
columnsTable.addColumn('string', 'columnLabel');
var initState = {selectedValues: []};
for (var i = 1; i < data.getNumberOfColumns(); i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
initState.selectedValues.push(data.getColumnLabel(i));
}
var columnFilter = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'control-category',
dataTable: columnsTable,
options: {
filterColumnLabel: 'columnLabel',
ui: {
label: '',
allowNone: false,
selectedValuesLayout: 'aside'
}
},
state: initState
});
google.visualization.events.addListener(columnFilter, 'statechange',
function () {
var state = columnFilter.getState();
var row;
var columnIndices = [0];
for (var i = 0; i < state.selectedValues.length; i++) {
row = columnsTable.getFilteredRows([{
column: 1,
value: state.selectedValues[i]}])[0];
columnIndices.push(columnsTable.getValue(row, 0));
}
// Sort the indices into their original order
columnIndices.sort(function (a, b) { return (a - b); });
chart.setView({columns: columnIndices});
chart.draw();
});
columnFilter.draw();
dashboard.bind([rangeFilter], [chart]);
dashboard.draw(data);
}
</script>
</body>
</html>