How to Use the ltmfProcessors Object to Register a 3rd-party Media Foundation Transform as a Video Processor Example for C++

The following method for C++ shows how to use the ltmfProcessors object from the ltmfPlayControl object to register a 3rd-party video processor.

void PlayerEnableCustomVideoProcessor(IltmfPlay *pPlay)  
   IltmfProcessors *pVideoProcessors = NULL; 
   // try to get the video processors collection object 
   HRESULT hr = pPlay->get_VideoProcessors(&pVideoProcessors); 
   if (SUCCEEDED(hr) && NULL != pVideoProcessors)  
       // Register the external filter by class id  
      pVideoProcessors->RegisterExternalProcessor(L"{AFF289A6-ABF1-4d68-9A51-634BF7077CFC}", VARIANT_TRUE); 

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