[Unit]
Description=Drive 3 DRM displays with LiveKit camera output (GStreamer kmssink)
Documentation=file:///home/fdenkena/livekit-cameras/README.md
After=network-online.target
Wants=network-online.target
# Do not After=/Wants= livekit-cameras: the wall must stay up when cameras
# are missing and when the SFU is down (on-screen error, then reconnect).

[Service]
Type=simple
WorkingDirectory=/home/fdenkena/livekit-cameras
EnvironmentFile=-/home/fdenkena/livekit-cameras/.env
Environment=PYTHONUNBUFFERED=1
# Exclusive KMS access — no X/Wayland on these connectors.
# Start kmssink immediately; run_displays.py shows LiveKit errors on the wall.
ExecStart=/home/fdenkena/livekit-cameras/.venv/bin/python /home/fdenkena/livekit-cameras/run_displays.py
ExecStop=/bin/kill -TERM $MAINPID
Restart=always
RestartSec=5
TimeoutStartSec=60
TimeoutStopSec=20
KillMode=control-group
KillSignal=SIGTERM

[Install]
WantedBy=multi-user.target