How can i get video/rtsp source FPS info in nvmsgconv

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) Jetson Orin Nano
• DeepStream Version Deepstream 7.1
• JetPack Version (valid for Jetson only) Jetpack 6.1
• TensorRT Version 10.3.0.30
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs) questions
• 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) How can i get video/rtsp source FPS info in nvmsgconv
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)
I want to modify the /opt/nvidia/deepstream/deepstream-7.1/sources/libs/nvmsgconv/deepstream_schema/eventmsg_payload.cpp file,
so i can get source fps in return meta, using kafka as consumer,using generate_dsmeta_message_minimal fuction!

do you want the theoretical or actual fps? if you already know the fps, please refer to this doc for how to add custom objects.