使用python和opencv获取电影属性-Gettingmoviepropertieswithpythonandopencv

10  

The CV_CAP_PROP_* constants can be accessed from the cv2.cv module:

可以从cv2.cv模块访问CV_CAP_PROP_ *常量:

cap.get(cv2.cv.CV_CAP_PROP_FRAME_COUNT)

Unfortunately, not all useful things have been ported from cv2 from cv so it is generally a good idea to look in cv2.cv if you can't find what you are looking for in cv2. Some constants, like cv2.CV_LOAD_IMAGE_* have been moved, for example.

不幸的是,并非所有有用的东西都是从cv从cv移植的,所以如果你在cv2中找不到你想要的东西,通常最好查看cv2.cv。例如,某些常量,例如cv2.CV_LOAD_IMAGE_ *已被移动。

UPDATE:- For OpenCV 3.1 use:-

更新: - 对于OpenCV 3.1使用: -

cap.get(cv2.CAP_PROP_FRAME_COUNT)

Basically, the property name has been modified and the "CV_" in the beginning is no longer required. (Credits to Blane in the answers section)

基本上,属性名称已被修改,并且不再需要开头的“CV_”。 (答案部分给Blane的学分)

3  

I am using OpenCV 3.1 and the above methods suggested by Hannes do not work for me. It seems that the method call and name formatting of properties have been slightly updated for OpenCV 3.1. For example, cap.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH) returns AttributeError: 'module' object has no attribute 'cv' with OpenCV 3.1. The following minor adjustment to the code worked for me: cap.get(cv2.CAP_PROP_FRAME_WIDTH)

我正在使用OpenCV 3.1,Hannes建议的上述方法对我不起作用。似乎OpenCV 3.1稍微更新了属性的方法调用和名称格式。例如,cap.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH)返回AttributeError:'module'对象没有OpenCV 3.1的属性'cv'。以下对代码的微小调整对我有用:cap.get(cv2.CAP_PROP_FRAME_WIDTH)

Note that CV_ is no longer necessary as a prefix for the attribute name.

请注意,不再需要CV_作为属性名称的前缀。

0  

You can do it like this:

你可以这样做:

cap.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH)