feat: 摄像头测试

cvshot.py

@@ -0,0 +1,18 @@
+import cv2
+
+# take a photo using cv2
+
+img = cv2.VideoCapture(0)
+
+# img.set(cv2.CAP_PROP_AUTO_EXPOSURE, 0.25)
+img.set(cv2.CAP_PROP_AUTO_EXPOSURE, 3) # auto mode
+img.set(cv2.CAP_PROP_AUTO_EXPOSURE, 1) # manual mode
+img.set(cv2.CAP_PROP_EXPOSURE, 100)
+# while True:
+    
+ret, frame = img.read()
+if ret:
+    cv2.imwrite('img.png', frame)
+    img.release()
+
+    print('succeed')