Display 4 Camera RTSP Streams on Ubuntu with Mplayer and Screen

[code]sudo apt install screen[/code]

[code]sudo nano /etc/init.d/cams[/code]

[code]#!/bin/bash
### BEGIN INIT INFO
# Provides: mplayer
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Displays camera feeds for monitoring
# Description:
### END INIT INFO

# Output mplayer to remote device if using ssh remotely
if [ -n "$SSH_TTY" ]; then
export DISPLAY=:0.0
fi

# Camera Feeds & Positions
top_left="screen -dmS top_left sh -c ‘mplayer -noborder -x 640 -y 400 -geometry 0:0 rtsp://admin:admin@10.148.1.6:554/live1.264’";
top_right="screen -dmS top_right sh -c ‘mplayer -noborder -x 640 -y 400 -geometry 640:0 rtsp://admin:admin@10.148.1.2:554’";
bottom_left="screen -dmS bottom_left sh -c ‘mplayer -noborder -x 640 -y 400 -geometry 0:400 rtsp://admin:admin@10.148.1.4:554’";
bottom_right="screen -dmS bottom_right sh -c ‘mplayer -noborder -x 640 -y 400 -geometry 640:400 rtsp://admin:admin@10.148.1.5:554’";

# Camera Feed Names
# (variable names from above, separated by a space)
camera_feeds=(top_left top_right bottom_left bottom_right)

#—- There should be no need to edit anything below this line —-

# Start displaying camera feeds
case "$1" in
start)
for i in "${camera_feeds[@]}"
do
eval eval ‘$’$i
done
echo "Camera Display Started"
;;

# Stop displaying camera feeds
stop)
sudo killall mplayer
echo "Camera Display Ended"
;;

# Restart any camera feeds that have died
repair)
for i in "${camera_feeds[@]}"
do
if !(sudo screen -list | grep -q $i)
then
eval eval ‘$’$i
echo "$i is now running"
fi
done
;;

*)
echo "Usage: /etc/init.d/cams {start|stop|repair}"
exit 1

;;
esac [/code]