How can I send the image data of a specific channel to secondary detection

Xavier+deepstream 5.0
How can I send the image data of a specific channel to secondary detection?
I have two cameras. 1-way telephoto camera and 1-way wide-angle camera. I want to send the traffic lights detected by the telephoto camera to secondary-gie
detection,
What should I do?
The control video channel is sent to the secondary detection network。
Here is my profile:

[primary-gie]
enable=1
gpu-id=0
batch-size=2
#Required by the app for OSD, not a plugin property
bbox-border-color0=1;0;0;1
bbox-border-color1=0;1;1;1
bbox-border-color2=0;0;1;1
bbox-border-color3=0;1;0;1
interval=1
gie-unique-id=1
nvbuf-memory-type=0
config-file=primary/config_infer_primary.txt

[secondary-gie]
gpu-id=0
enable=1
batch-size=2
#Required by the app for OSD, not a plugin property
bbox-border-color0=1;0;0;1
bbox-border-color1=0;1;1;1
bbox-border-color2=0;0;1;1
bbox-border-color3=0;1;0;1
interval=1
gie-unique-id=2
nvbuf-memory-type=0
config-file=secondary/config_infer_secondary.txt
operate-on-gie-id=1
operate-on-class-ids=4 

nvinfer cannot suppor select source.

https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_plugin_gst-nvinfer.html

我已经解决了问题

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