Using gstreamer convert image/raw to rtsp in cv2.VideoWriter on python

Hi,
There is a sample of saving to MP4:
Displaying to the screen with OpenCV and GStreamer - #9 by DaneLLL

You may give it a try and see if it works. Some users have mentioned it triggers some issue without a space at the end of pipeline, so you may try

"... ! udpsink host=127.0.0.1 port=5400 async=false " (add a space after async=false)