GStreamer won't free ports

Autonomous Machines Jetson & Embedded Systems Jetson AGX Orin
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1

I am using this pipeline on the Jetson AGX Orin:

gst-launch-1.0 v4l2src device=/dev/video3 ! 'video/x-raw,width=1280,height=720,framerate=60/1,format=UYVY' ! nvvidconv ! nvv4l2h264enc ! rtph264pay ! udpsink host=xxx.xxx.x.xx port=5500

I can view the stream on a connected laptop with this pipeline:

gst-launch-1.0 udpsrc port=5500  ! application/x-rtp, encoding-name=H264, payload=96 ! rtph264depay ! h264parse ! queue ! avdec_h264 ! videoconvert ! autovideosink sync=false

When I end the pipelines on both the Jetson AGX Orin and my laptop (using Ctrl-C) and then enter the same commands again, I am unable to view a stream. The only fix I have found is changing both ports to something else (ie port=5600) before restarting the streams. This sounds like GStreamer is somehow holding those ports after shutdown. Is there any way to get GStreamer to release port 5500 after I end the pipeline?

Thank you!!

3

Hi,
For UDP streaming, please refer to the setup in Jetson Nano FAQ

Q: Is there an example for running UDP streaming?

Please add the properties and give it a try:

insert-sps-pps=1 idrinterval=15

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