timer: split start/elapsed. convert uses

1 files changed, 2 insertions, 1 deletions

diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
index 2fd5a514..05e7b067 100644
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
+++ b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
@@ -59,7 +59,8 @@ void Tracker::run()
     while((commands & ABORT) == 0)
     {
         apply_inner();
-        const double dt = time.start() * 1e-9;
+        const double dt = time.elapsed() * 1e-9;
+        time.start();
         cv::Mat frame;
         const bool new_frame = camera.get_frame(dt, &frame);