- GetInputStreamDescsHRESULT GetInputStreamDescs(uint NumInputStreamDescs, D3D12_VIDEO_PROCESS_INPUT_STREAM_DESC* pInputStreamDescs) 
- Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name. 
- GetNodeMaskuint GetNodeMask() 
- Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name. 
- GetNumInputStreamDescsuint GetNumInputStreamDescs() 
- Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name. 
- GetOutputStreamDescD3D12_VIDEO_PROCESS_OUTPUT_STREAM_DESC GetOutputStreamDesc() 
- Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.