Handle unexpected appVersion/gfeVersion quads

app/backend/nvpairingmanager.cpp

@@ -215,7 +215,7 @@ NvPairingManager::saltPin(const QByteArray& salt, QString pin)
 NvPairingManager::PairState
 NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverCert)
 {
-    int serverMajorVersion = NvHTTP::parseQuad(appVersion).at(0);
+    int serverMajorVersion = NvHTTP::parseQuad(appVersion).value(0);
     qInfo() << "Pairing with server generation:" << serverMajorVersion;
 
     QCryptographicHash::Algorithm hashAlgo;

app/streaming/session.cpp

@@ -840,9 +840,8 @@ bool Session::initialize(QQuickWindow* qtWindow)
             // to allow decoding via VideoToolbox on macOS. Since we don't
             // have fixup code for HEVC, just avoid it if GFE is too old.
             QVector<int> gfeVersion = NvHTTP::parseQuad(m_Computer->gfeVersion);
-            if (gfeVersion.isEmpty() || // Very old versions don't have GfeVersion at all
-                    gfeVersion[0] < 3 ||
-                    (gfeVersion[0] == 3 && gfeVersion[1] < 11)) {
+            if (gfeVersion.value(0) < 3 ||
+                (gfeVersion.value(0) == 3 && gfeVersion.value(1) < 11)) {
                 SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
                             "Disabling HEVC on macOS due to old GFE version");
                 m_SupportedVideoFormats.removeByMask(VIDEO_FORMAT_MASK_H265);