Terminate the connection if video isn't received for 10 seconds

src/VideoStream.c

@@ -75,6 +75,7 @@ static void ReceiveThreadProc(void* context) {
     char* buffer;
     int queueStatus;
     int useSelect;
+    int waitingForVideoMs;
 
     receiveSize = StreamConfig.packetSize + MAX_RTP_HEADER_SIZE;
     bufferSize = receiveSize + sizeof(RTPFEC_QUEUE_ENTRY);
@@ -89,6 +90,7 @@ static void ReceiveThreadProc(void* context) {
         useSelect = 0;
     }
 
+    waitingForVideoMs = 0;
     while (!PltIsThreadInterrupted(&receiveThread)) {
         PRTP_PACKET packet;
 
@@ -108,6 +110,16 @@ static void ReceiveThreadProc(void* context) {
             break;
         }
         else if  (err == 0) {
+            if (!receivedDataFromPeer) {
+                // If we wait many seconds without ever receiving a video packet,
+                // assume something is broken and terminate the connection.
+                waitingForVideoMs += UDP_RECV_POLL_TIMEOUT_MS;
+                if (waitingForVideoMs >= FIRST_FRAME_TIMEOUT_SEC * 1000) {
+                    ListenerCallbacks.connectionTerminated(ML_ERROR_NO_VIDEO_TRAFFIC);
+                    break;
+                }
+            }
+            
             // Receive timed out; try again
             continue;
         }