+#
+# Copyright 2020 Huawei Technologies Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import cv2
+
+
+class VideoCamera(object):
+ """
+ opneCV to capture frame from a camera
+ """
+ def __init__(self, url):
+ self.video = cv2.VideoCapture(url)
+
+ def delete(self):
+ self.video.release()
+
+ def get_frame(self):
+ """
+ get a frame from camera url
+ """
+ success, image = self.video.read()
+ return success, image
+
+
+class VideoFile(object):
+ """
+ opneCV to capture frame from a video stream
+ """
+ def __init__(self, video_name):
+ self.video = cv2.VideoCapture("./test/resources/" + video_name)
+
+ def delete(self):
+ self.video.release()
+
+ def get_frame(self):
+ """
+ get a frane from stream
+ """
+ success, image = self.video.read()
+ return success, image