Jetson latency

[junshengy]

@marveltll

the delay is very serious(playing through VLC, about 6s),

rtmpsink --> server --> vlc

1.This does not mean that the delay is caused by the performance of Deepstream/Jetson nano. You can try to remove plugins such as nvstreamux/nvinfer and only use nvarguscamerasrc/nvv4l2h264enc/rtmpsink to build a pipeline to observe the latency.
You can also use nveglglessink to observe the latency
2.This FAQ can measure the element latency of each deepstream

DeepStream SDK FAQ

7. [DS 5.0GA_All_App] Enable Latency measurement for deepstream sample apps If you are using deepstream-app, to check the component latency directly, you need to set the env export NVDS_ENABLE_COMPONENT_LATENCY_MEASUREMENT=1 export NVDS_ENABLE_LATENCY_MEASUREMENT=1 If you are using other deepstream sample apps such as deepstream-test3, you need to apply the following patch and set the env export NVDS_ENABLE_COMPONENT_LATENCY_MEASUREMENT=1 export NVDS_ENABLE_LATENCY_MEASUREMENT=1 …