Does deepstream support assign sources to primary gie or secondary gie?

• DeepStream Version: 5.1
• JetPack Version (valid for Jetson only): 4.5

Hi, does deepstream support assign sources to primary gie or secondary gie?
such as, I have 4 videos sources, 1 source assign to one gie, 3 sources assign to another gie

No.

Gst-nvinfer — DeepStream 5.1 Release documentation (nvidia.com)