fps test code added

src/test code for fps/python/opencv_read.py

@@ -0,0 +1,30 @@
+import numpy as np
+import cv2,time
+
+#ser = serial.Serial('COM8',57600)
+cap = cv2.VideoCapture(0)
+# Define the codec and create VideoWriter object
+t_end = time.time() + 60
+counter=0
+
+while(cap.isOpened()):
+    ret, frame = cap.read()
+    if time.time() < t_end:
+        
+        if (ret==True):
+            counter=counter+1
+            #cv2.imwrite("images/image%d.jpg" %counter,frame)
+            
+    else:
+        break
+
+#end_time = time.time()
+#print t_e-t_s
+print counter
+    #print str(end_time-start_time)
+# Release everything if job is finished
+cap.release()
+#out.release()
+cv2.destroyAllWindows()
+#rVideo()
+