Add new video files and one python test file

camera-test2.py

@@ -0,0 +1,21 @@
+import numpy as np
+import cv2
+
+cap = cv2.VideoCapture(0)
+
+while(True):
+    # Capture frame-by-frame
+    ret, frame = cap.read()
+
+    # Our operations on the frame come here
+    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+   
+    # Display the resulting frame
+    cv2.imshow('frame',frame)
+    cv2.imshow('gray',gray)
+    if cv2.waitKey(20) & 0xFF == ord('q'):
+        break
+
+# When everything done, release the capture
+cap.release()
+cv2.destroyAllWindows()