Streaming video with OMF

1. Experiment setup

In this scenario we use two Orbit nodes which are equipped with a web-camera and stream captured Motion-JPEG video to NITOS server. Zoneminder (a famous surveillance software) is installed at NITOS server and illustrates  the collected streams. An external PC is connected to http://nitlab.inf.uth.gr/zm (which lies on NITOS server) and selects which camera wants to watch.

2. Loading of the appropriate OMF image at the nodes

omf load -t omf.nitos.nodes005,omf.nitos.nodes015 -i video_baseline.ndz

3. Experiment description in OMF

The description is included in ruby file "mjpg_streamer.rb":

defProperty('mjpg_streamer',  '/root/mjpg-streamer-r150/mjpg-streamer', 'The path of the Motion JPEG streaming executable file')
defGroup("mygroup", ["omf.nitos.node005","omf.nitos.node015"])

onEvent(:ALL_UP_AND_INSTALLED) { |event|
  wait 2
  puts("\nStreaming starts\n\n")
  allGroups.exec(property.mjpg_streamer+"mjpg_streamer -i \""+property.mjpg_streamer+"input_uvc.so -r 320x240 -f 10\" -o \""+property.mjpg_streamer+"output_http.so\"")
  wait 2
  Experiment.done
}

4. Running the experiment & Zoneminder screenshot

omf exec mjpg_streamer.rb