[Nano] Deepstream-test3-app not working as expected for multiple video source

Accelerated Computing Intelligent Video Analytics DeepStream SDK
6

Hi,
For eight channels, you may apply interval=4 and try again.
The same setting is in source8_1080p_dec_infer-resnet_tracker_tiled_display_fp16_nano.txt

With non-zero interval value, you shall need nvtracker plugin to get smooth output.