Do not reorder packets if doing encoding as we use wallclock timestamps

src/zm_videostore.cpp

@@ -151,7 +151,11 @@ bool VideoStore::open() {
  reorder_queue_size = std::stoul(entry->value);
  // remove it to prevent complaining later.
  av_dict_set(&opts, "reorder_queue_size", nullptr, AV_DICT_MATCH_CASE);
- } else if (monitor->has_out_of_order_packets() and !monitor->WallClockTimestamps()) {
+ } else if (monitor->has_out_of_order_packets()
+ and !monitor->WallClockTimestamps()
+ // Only sort packets for passthrough. Encoding uses wallclock by default
+ and monitor->GetOptVideoWriter() == Monitor::PASSTHROUGH
+ ) {
  reorder_queue_size = 2*monitor->get_max_keyframe_interval();
  }
  Debug(1, "reorder_queue_size set to %zu", reorder_queue_size);