Pacing.

prrt/proto/processes/dataTransmitter.c

@@ -102,15 +102,19 @@ static bool send_packet(PrrtSocket *sock_ptr, PrrtPacket *packet) {
                 usleep_nano(diff / 2);
             }
         } while (diff > 0);
+    } else {
+        usleep_nano(1);
     }
 
     prrtTimestamp_t now = PrrtClock_get_current_time_us();
+    if (sock_ptr->pacingEnabled) {
         uint32_t pacing_rate = BBR_getPacingRate(sock_ptr->receiver->bbr);
-    if (sock_ptr->pacingEnabled && pacing_rate != 0) {
+        if(pacing_rate != 0) {
             debug(DEBUG_DATATRANSMITTER, "Payload: %u, PacingRate: %u, Pacing Time: %u", packet->payloadLength, pacing_rate, packet->payloadLength /
                                                                                                                              pacing_rate);
             sock_ptr->nextSendTime = now + ((prrtTimedelta_t) round((((double) 1000 * 1000 * packet->payloadLength) / pacing_rate)));
         }
+    }
 
     struct timespec timestamp;
     uint64_t cyclestamp;