| 1 | I have 2 FOSCAM HD IP camera and 1 UBNT airVision (old model) IP camera which are used for surveillance monitoring. Storage of images is done on the camera's itself, so I only needed something to view the live feeds of the camera's combined an a single screen. I had an old HDMI screen laying around and the Raspberry Pi 3 is yet the perfect (inexpesive fit) for this purpose. |
| 2 | |
| 3 | |
| 4 | = Getting started = |
| 5 | * Install the standard debian Raspberry Pi and make sure to select console mode. We do need any GUI, since we will be using omxplayer to |
| 6 | |
| 7 | |
| 8 | = Monitoring of camera feeds = |
| 9 | |
| 10 | /root/kill_stuck_omxplayer.sh: |
| 11 | {{{ |
| 12 | #!/bin/sh |
| 13 | # |
| 14 | # Quick to deal with omxplayers which are in deadloop, |
| 15 | # detection based on low-CPU usage |
| 16 | # |
| 17 | for PID in `pgrep omxplayer.bin`; do |
| 18 | PCPU=`ps -p $PID -o pcpu=` |
| 19 | if echo $PCPU 2.0 | awk '{exit $1<$2?0:1}'; then |
| 20 | echo "Lets kill pid $PID" |
| 21 | kill -KILL $PID |
| 22 | fi |
| 23 | done |
| 24 | }}} |
| 25 | |
| 26 | /etc/crontab: |
| 27 | {{{ |
| 28 | * * * * * root /root/kill_stuck_omxplayer.sh | logger |
| 29 | }}} |