从大华相机获取码流，并保存到本地文件中。使用于各种形式的码流(Capture the stream from UOB camera and save it to local file. Used in various forms of code stream)

从海康相机获取码流，并保存到本地文件中，供大家参考(Get the code stream from the Hikvision camera, and save it to a local file for your reference)