Please provide complete information as applicable to your setup.
• Hardware Platform (Jetson / GPU): Jetson
• DeepStream Version: 6.3
• JetPack Version (valid for Jetson only): 5.1.2
We using docker container to run our program. when we built a container and ran the deepstream program, something wrong happend, “no such element factory nvstreammux“. Base docker image is “docker.io/nvidia/cuda:11.4.3-devel-ubuntu20.04“, and we add jetson apt source to install deepstream.
/etc/apt/sources.list.d/nvidia-l4t-apt-source.list
“deb https://repo.download.nvidia.com/jetson/common r35.1 main
deb https://repo.download.nvidia.com/jetson/t234 r35.1 main“
This error was the same as in our deepstream program when we ran deepstream-test3.
We check the gstreamer, and we found a problem, like this:

