Jetson agx+gstreamer+sensor_msgs/image: using nvjpegenc/nvv4l2h264enc/rtph264pay/rtmpsinkto encode frames from sensor_msgs/image as appsrc

We would suggest use test-launch to run a RTSP server. You may check the steps in
Jetson Nano FAQ

Q: Is there any example of running RTSP streaming?

We don’t have much experience in RTMP. You may refer to
Gstreamer issue with adding timeoverlay on RTMP stream

For this error:

JPEG parameter struct mismatch: library thinks size is 584, caller expects 720

It should be because is loaded instead of Please check this.

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