There is no update from you for a period, assuming this is not an issue anymore. Hence we are closing this topic. If need further support, please open a new one.
Thanks
There are some peoblems with the h264enc from the log attached. Could you try to run the demo below in your NX env first and make sure the demo code runs well in your env? Then you can add your code on this base.
https://github.com/NVIDIA-AI-IOT/deepstream_python_apps/tree/master/apps/runtime_source_add_delete