Use nano to get metadata

Hi,I’m attempting to use argus to get metadata on Jetson Nano Dev Kit, and save per-stream metadata to a file like test.raw.The sensor is imx219. The interface for geting Metadata is: Argus::CaptureMetadata* getMetadata(), it returns a pointer called CaptureMetadata, but I can’t find a buffer that stores metadata in CaptureMetadata.
Anyone knows what I should do? Thanks!

Sorry to tell TX1/Nano CSI HW not support get sensor metadata.

Hi, ShaneCCC,thanks for your reply.Now, I will use AGX to try, does it work with standard v4l2?

The metadata not send back to user space for vl42 pipeline but you can use argus API for ISP pipeline or modify the kernel VI driver to get it.