تم العثور على هذا في مجلد Microsoft Platform SDK"Samples\Multimedia\DirectShow\BaseClasses" ; (او DirectX SDK 8.0 to 9.0c / DirectX Media SDK prior to 6.0)الذي يجب أن يبنى قبل بناء OpenCV.
This SDK is found in the "Samples\Multimedia\DirectShow\BaseClasses" subdirectory of the Microsoft Platform SDK (or DirectX SDK 8.0 to 9.0c / DirectX Media SDK prior to 6.0), which must be built prior to the building of OpenCV.