FRC mjpg-streamer scripts

README.md

NOTE: These scripts are obsolete, you should use the mjpg-streamer.ipk file published at https://github.com/robotpy/roborio-packages instead.

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mjpg-streamer scripts for RoboRIO

This was very quickly put together... so not quite as polished as I would normally like. :)

We used these scripts to run two camera servers on our roboRIO. Very little CPU usage as far as we can see. Only tested with the Microsoft LifeCam 3000 cameras.

Instructions

• Download the tarballs at http://www.chiefdelphi.com/forums/showthread.php?p=1460637
• scp them to the roborio
• untar the tarballs in the home directory of the admin user
• Copy the libjpeg*.so files into the mjpg-streamer-182 directory
• Create the files in this gist in the mjpg-streamer-182 directory

Usage

If you run install.sh, it will cause two camera servers to start on startup. Obviously, you can edit it to only start a single server.

If you run run_one.sh, it will run a server on http://roborio-XXXX.local:5800 which you can access with a web browser and figure out how to use.

Author & Thanks

Scripts created by Dustin Spicuzza, FRC Team 1418

Thanks to Mike Anderson, FRC Team 116 for distributing the roboRIO compatible builds of mjpg-streamer.

init1.sh

#!/bin/sh
#
# init script used to start a camera server in the background, suitable for starting the
# camera server at startup
#

PIDFILE=/var/run/mjpeg1.pid
SCRIPT=run_one.sh

case "$1" in
  start)
    if [ -e $PIDFILE -a -e /proc/`cat $PIDFILE 2> /dev/null` ]; then
      echo "$0 already started"
      exit 1
    fi

    touch $PIDFILE
    chmod +r $PIDFILE
    chown lvuser $PIDFILE

    /home/admin/mjpg-streamer-182/$SCRIPT &
    echo $! > $PIDFILE
    ;;
  stop)
    # kill saved PID
    if [[ -f "$PIDFILE" ]]; then
      kill `cat $PIDFILE`
      rm $PIDFILE
    fi
    ;;
esac

init2.sh

#!/bin/sh
#
# init script used to start a camera server in the background, suitable for starting the
# camera server at startup
#
 
PIDFILE=/var/run/mjpeg2.pid
SCRIPT=run_two.sh
 
case "$1" in
  start)
    if [ -e $PIDFILE -a -e /proc/`cat $PIDFILE 2> /dev/null` ]; then
      echo "$0 already started"
      exit 1
    fi
 
    touch $PIDFILE
    chmod +r $PIDFILE
    chown lvuser $PIDFILE
 
    /bin/su - -- lvuser -l -c /home/admin/mjpg-streamer-182/$SCRIPT &   
    echo $! > $PIDFILE
    ;;
  stop)
    # kill saved PID
    if [[ -f "$PIDFILE" ]]; then
      kill `cat $PIDFILE`
      rm $PIDFILE
    fi
    ;;
esac

install.sh

#!/bin/sh

cd `dirname $0`
ln -s `pwd`/init1.sh /etc/rc5.d/S42mjpegStream1
ln -s `pwd`/init2.sh /etc/rc5.d/S42mjpegStream2

run_one.sh

#!/bin/sh
#
# Starts a camera server at http://roborio-XXX.local:5800/
#

cd `dirname $0`
LD_LIBRARY_PATH=`pwd` exec ./mjpg_streamer -i  "./input_uvc.so --device /dev/video0 -f 10 -r 160x120" -o "./output_http.so --port 5800 -w www"

run_two.sh

#!/bin/sh
#
# Starts a camera server at http://roborio-XXX.local:5801/
#

cd `dirname $0`
LD_LIBRARY_PATH=`pwd` exec ./mjpg_streamer -i  "./input_uvc.so --device /dev/video1 -f 10 -r 160x120" -o "./output_http.so --port 5801 -w www"

uninstall.sh

#!/bin/sh

rm /etc/rc5.d/S42mjpegStream1
rm /etc/rc5.d/S42mjpegStream2

Mike is from Team 116, not 118