GPUDirect Engine/Source/ThirdParty/NVIDIA/GPUDirect GPUDirect for video is a library made by Nvidia for their RTX enterprise cards meant to reduce latency in video io use cases by copying gpu buffers directly to the IO card and bypassing system memory. When dealing wiht 4k/8k video feed, it is a huge leap in performance. https://developer.nvidia.com/designworks/gpu4d-software-license-agreement Licensees Git P4