OpenCV从URL加载视频

OpenCV从URL加载视频

似乎在或中

cv2.videopre

都不有效。

OpenCV API``OpenCV 2.x``OpenCV 3.x

下面是

OpenCV 3

使用

cv2.VideoCapture

类的示例代码。

import numpy as npimport cv2# Open a sample video available in sample-videosvcap = cv2.VideoCapture('https://www.sample-videos.com/video/mp4/720/big_buck_bunny_720p_2mb.mp4')#if not vcap.isOpened():#    print "File Cannot be Opened"while(True):    # Capture frame-by-frame    ret, frame = vcap.read()    #print cap.isOpened(), ret    if frame is not None:        # Display the resulting frame        cv2.imshow('frame',frame)        # Press q to close the video windows before it ends if you want        if cv2.waitKey(22) & 0xFF == ord('q'): break    else:        print "frame is None"        break# When everything done, release the capturevcap.release()cv2.destroyAllWindows()print "Video stop"

您可以查看此视频入门教程以获取更多信息。

希望对您有所帮助。