python opencv读mp4视频的实例

如下所示：

#获得视频的格式
videocapture = cv2.videocapture('/home/lw/3661.mp4')
 
#获得码率及尺寸
fps = videocapture.get(cv2.cap_prop_fps)
size = (int(videocapture.get(cv2.cap_prop_frame_width)), 
 int(videocapture.get(cv2.cap_prop_frame_height)))
fnums = videocapture.get(cv2.cap_prop_frame_count)
 
 
#读帧
success, frame = videocapture.read()
while success :
 cv2.imshow('windows', frame) #显示
 cv2.waitkey(1000/int(fps)) #延迟
 success, frame = videocapture.read() #获取下一帧
 
videocapture.release()

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