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--- autolab:duckietown-city:cameras [2022/12/08 11:07]
valentina_golubeva
+++ autolab:duckietown-city:cameras [2022/12/12 13:08]
valentina_golubeva
@@ Line 1: / Line 1: @@
-====== Камеры над полигоном ======
+[[http://example.com|External Link]]====== Камеры над полигоном ======
 === Карта камер полигона ===
@@ Line 24: / Line 24: @@
 === Как записать видео с камеры ===
+Создаём файлик с кодом ниже.
+  from datetime import datetime
+  import cv2
+  import argparse
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--cam_num', type=int, default=1)
+  args = parser.parse_args()
+  if args.cam_num not in range(1, 7):
+      print(f"Camera with number{args.cam_num} does not exist!")
+      exit(0)
+  video = cv2.VideoCapture(f"http://autolab.moevm.info/camera_{args.cam_num}/live.mjpg")
+  if (video.isOpened() == False):
+      print("Error reading video file")
+      exit(0)
+  frame_width = int(video.get(3))
+  frame_height = int(video.get(4))
+  size = (frame_width, frame_height)
+  video_name = f"{datetime.now().strftime('%d_%m_%Y_%H:%M:%S')}.avi"
+  result = cv2.VideoWriter(video_name, cv2.VideoWriter_fourcc(*'MJPG'), 20, size)
+  while True:
+      ret, frame = video.read()
+      if ret == True:
+          result.write(frame)
+          cv2.imshow('Frame', frame)
+          if cv2.waitKey(1) & 0xFF == ord('s'):
+              break
+      else:
+          break
+  video.release()
+  result.release()
+  cv2.destroyAllWindows()
+  print(f"The video {video_name} was successfully saved")
+=== Запуск ===
+Передаём в качестве аргумента номер камеры при запуске. Доступны номера камер от 1 до 6.
+	python3 filename.py --cam_num 4

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