1 代码 importosimportcv2defvideoReadMessage(path_video):ifnotos.path.exists(path_video):return0cap=cv2.VideoCapture(path_video)ifnotcap.isOpened():return0# 获取视频基本信息fileSize=os.path.getsize(path_video)/(2**20)# 单位Mib# fileSize = os.path.getsize(path_video) / (10**6) # 单...