Fix calling tools JS

js/calling-tools/stats_helper.js

@@ -0,0 +1,57 @@
+// Derived from Chromium WebRTC Internals Dashboard - see Acknowledgements for full license details
+
+/**
+ * @param {!Object} statsValues The object containing stats, an
+ *     array [key1, val1, key2, val2, ...] so searching a certain
+ *     key needs to ensure it does not collide with a value.
+ */
+function generateLabel(key, statsValues) {
+  let label = '';
+  const statIndex = statsValues.findIndex((value, index) => {
+    return value === key && index % 2 === 0;
+  });
+  if (statIndex !== -1) {
+    label += key + '=' + statsValues[statIndex + 1];
+  }
+  return label;
+}
+
+/**
+ * Formats the display text used for a stats type that is shown
+ * in the stats table or the stats graph.
+ *
+ * @param {!Object} report The object containing stats, which is the object
+ *     containing timestamp and values, which is an array of strings, whose
+ *     even index entry is the name of the stat, and the odd index entry is
+ *     the value.
+ */
+export function generateStatsLabel(report) {
+  let label = report.type + ' (';
+  let labels = [];
+  if (['outbound-rtp', 'remote-outbound-rtp', 'inbound-rtp',
+      'remote-inbound-rtp'].includes(report.type) && report.stats.values) {
+    labels = ['kind', 'mid', 'rid', 'ssrc', 'rtxSsrc', 'fecSsrc',
+      'scalabilityMode',
+      'encoderImplementation', 'decoderImplementation',
+      'powerEfficientEncoder', 'powerEfficientDecoder',
+      '[codec]'];
+  } else if (['local-candidate', 'remote-candidate'].includes(report.type)) {
+    labels = ['candidateType', 'tcpType', 'relayProtocol'];
+  } else if (report.type === 'codec') {
+    labels = ['mimeType', 'payloadType'];
+  } else if (['media-playout', 'media-source'].includes(report.type)) {
+    labels = ['kind'];
+  } else if (report.type === 'candidate-pair') {
+    labels = ['state'];
+  } else if (report.type === 'transport') {
+    labels = ['iceState', 'dtlsState'];
+  }
+  labels = labels
+    .map(stat => generateLabel(stat, report.stats.values))
+    .filter(label => !!label);
+  if (labels.length) {
+    label += labels.join(', ') + ', ';
+  }
+  label += 'id=' + report.id + ')';
+  return label;
+}