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