https://note.nkmk.me/en/python-opencv-camera-to-still-image/

Real Address at local network http://czprtcu002:8000/shomImage.html

Gut but slow https://trac.ffmpeg.org/wiki/StreamingGuide
Last implementation https://github.com/miguelgrinberg/flask-video-streaming
Combine two cams https://karobben.github.io/2021/04/10/Python/opencv-v-paste/
To Check: https://stackoverflow.com/questions/69060416/cv2-cvcapture-msmfgrabframe-videoiomsmf-cant-grab-frame-error-107287385
https://forum.opencv.org/t/cant-grab-frame-what-happend/4578
https://github.com/basler/pypylon/issues/319
https://stackoverflow.com/questions/72385599/parallel-processing-in-merging-two-camera-streams https://answers.opencv.org/question/122986/put-two-or-more-frames-in-one-output-window/