add estimated bandwidth statistics

assets/languages/en.ts

@@ -243,6 +243,10 @@
         <source>callStatsDownloadBandwidth</source>
         <translation>Download bandwidth</translation>
     </message>
+    <message>
+        <source>callStatsEstimatedDownloadBandwidth</source>
+        <translation>Estimated download bandwidth</translation>
+    </message>
     <message>
         <source>callStatsIceState</source>
         <translation>ICE state</translation>

assets/languages/fr.ts

@@ -243,6 +243,10 @@
         <source>callStatsDownloadBandwidth</source>
         <translation>Bande passante de réception</translation>
     </message>
+    <message>
+        <source>callStatsEstimatedDownloadBandwidth</source>
+        <translation>Bande passante de réception estimée</translation>
+    </message>
     <message>
         <source>callStatsIceState</source>
         <translation>État ICE</translation>

src/components/call/CallModel.cpp

@@ -653,6 +653,7 @@ void CallModel::updateStats (const shared_ptr<const linphone::CallStats> &callSt
       statsList << ::createStat(tr("callStatsJitterBuffer"), QStringLiteral("%1 ms").arg(callStats->getJitterBufferSizeMs()));
       break;
     case linphone::StreamTypeVideo: {
+      statsList << ::createStat(tr("callStatsEstimatedDownloadBandwidth"), QStringLiteral("%1 kbits/s").arg(int(callStats->getEstimatedDownloadBandwidth())));
       const QString sentVideoDefinitionName = ::Utils::coreStringToAppString(params->getSentVideoDefinition()->getName());
       const QString sentVideoDefinition = QStringLiteral("%1x%2")
         .arg(params->getSentVideoDefinition()->getWidth())