TDA2PXEVM: How to use a videoio of opencv in tda2px ?

Part Number:TDA2PXEVM

Hi

I using a tda2pxevm.

I want  to attach usb camera.

So, i try it.

For example... VideoCapture cap(0);

But, It happend a videodev.h error.

I cloned a tiopencv source in ti repo.

1. How to build this opencv source ?

2. How to apply result of build to my project.