use xvimagesink (some X11 video sink) instead of the presumably simpler autovideosink
-rwxr-xr-x 532 decode-json.py
-rwxr-xr-x 10037 lagarde.py
-rwxr-xr-x 7774 laplace_client.py
-rw-r--r-- 6979 stream2beamer.md