From e28c0b159b0422713ede008319a544665cadc124 Mon Sep 17 00:00:00 2001
From: Jan Grewe <jan.grewe@g-node.org>
Date: Fri, 31 Jul 2020 17:11:25 +0200
Subject: [PATCH] [grabber] don't set framerate with each frame

---
 grabber.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/grabber.cpp b/grabber.cpp
index bb2f5ac..cdccdb2 100644
--- a/grabber.cpp
+++ b/grabber.cpp
@@ -6,11 +6,11 @@ void Grabber::run() {
   stop_request = false;
   int count = 0;
   if (camera->isOpen()) {
+      camera->frameRate(static_cast<uint>(framerate));
       Pylon::CGrabResultPtr frame;
       Pylon::CInstantCamera *cam = camera->getCamera();
       cam->StartGrabbing();
-      while (!stop_request) {
-          camera->frameRate(static_cast<uint>(framerate));
+      while (camera->isOpen() && !stop_request) {
           MyImage img;
           cam->RetrieveResult( 5000, frame, Pylon::TimeoutHandling_ThrowException);
           img.setFrame(frame);