NVBufserface understanding

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU)
• DeepStream Version
• JetPack Version (valid for Jetson only)
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

Can someone explain NvBufSurface, NvBuffer and their machanic in GPU, CPU to me in detail? How to transfer it between cpu and gpu for optimizer speed?

What do you mean by “combine”?

maybe I have confused this definition a bit

So what do you want?