added 0xFF & in front of every waitKey so that it works on linux

2012-03-14 21:46:34 +00:00
parent ade7394e77
commit 9164ccbaaf
22 changed files with 25 additions and 25 deletions
--- a/samples/python2/lk_track.py
+++ b/samples/python2/lk_track.py
@@ -81,7 +81,7 @@ class App:
            self.prev_gray = frame_gray
            cv2.imshow('lk_track', vis)

-            ch = cv2.waitKey(1)
+            ch = 0xFF & cv2.waitKey(1)
            if ch == 27:
                break