RaspberryPI - MJPG-streaming

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OS/Raspberry Pi

RaspberryPI - MJPG-streaming

파란크리스마스 2015. 8. 4. 22:27

출처 : How to build and run MJPG-Streamer on the Raspberry Pi
라즈베리파이 파이카메라 활용강좌 : 웹 스트리밍(Mjpg-Stream)
fishkingsin/mjpg_streamer.sh

MJPG streamer 컴파일 관련 라이브러리 설치

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install cmake libjpeg8-dev imagemagick libv4l-dev

videodev2.h 헤더파일 링크

$ sudo ln -s /usr/include/linux/videodev2.h /usr/include/linux/videodev.h

MJPG streamer 소스 다운로드, 컴파일, 설치

$ echo "이전 git clone https://github.com/liamfraser/mjpg-streamer"
$ git clone https://github.com/jacksonliam/mjpg-streamer.git
$ cd mjpg-streamer/mjpg-streamer-experimental/
$ make
$ sudo make install

LD_LIBRARY_PATH 경로 추가

$ echo "export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/mjpg-streamer" | sudo tee -a /etc/profile

MJPG Streamer 실행

출처 : MJPG Streamer configuration

$ mjpg_streamer -i "input_raspicam.so -x 640 -y 480 -fps 10 -rot 180 -ex night" --output "output_http.so -w /usr/local/share/mjpg-streamer/www --port 8080"

또는

$ mjpg_streamer -i "input_raspicam.so -x 320 -y 240 -quality 30 -fps 15 -rot 180 -ex night"

MJPG Streamer 실행 - 최적옵션

$ mjpg_streamer -i "input_uvc.so -r 320x240 -f 10 -y" --output "output_http.so -w /usr/local/share/mjpg-streamer/www --port 8080"

html 코드

출처 : mjpegcanvasjs / Tutorials / CreatingASingleStreamCanvas

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="eventemitter2.min.js"></script>
<script type="text/javascript" src="mjpegcanvas.min.js"></script>

<script type="text/javascript" type="text/javascript">
  /**
   * Setup all visualization elements when the page is loaded. 
   */
  function init() {
    // Create the main viewer.
     var viewer = new MJPEGCANVAS.Viewer({
      divID : 'mjpeg',
     host : '192.168.0.14',
     port : '8080',
      width : 640,
       height : 480,
      topic : '/?action=stream'
     });
 }
</script>
</head>
 
<body onload="init()">
<h1>Simple MJPEG Canvas Example</h1>
<div id="mjpeg"></div>
</body>
</html>

V4L2(Video4Linux2) 부팅시 활성화 시키기

$ sudo vi /etc/modules

아래 내용 추가

bcm2835-v4l2

서비스등록

$ sudo vi /etc/init.d/mjpg_streamer

mjpg_streamer 파일 내용

#!/bin/bash
# /etc/init.d/mjpg_streamer.sh
# v0.2 phillips321.co.uk
### BEGIN INIT INFO
# Provides:          mjpg_streamer.sh
# Required-Start:    $network
# Required-Stop:     $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: mjpg_streamer for webcam
# Description:       Streams /dev/video0 to http://IP/?action=stream
### END INIT INFO

#
export width=640
export height=480
export bitrate=10
export SHUTDOWN_WAIT=2

if [ -n "$2" ]; then
  width=$2 
fi

if [ -n "$3" ]; then
  height=$3
fi

if [ -n "$4" ]; then
  bitrate=$4
fi

export LD_MJPG_STREAMER=/usr/local/lib/mjpg-streamer

f_message(){
        echo "[+] $1"
}

mjpg_streamer_pid() {
  echo `ps aux | grep mjpg-streamer | grep -v grep | awk '{ print $2 }'`
}

start() {
  pid=$(mjpg_streamer_pid)
  if [ -n "$pid" ] 
  then
    echo "mjpg_streamer is already running (pid: $pid)"
  else
    # Start mjpg_streamer
		f_message "Starting mjpg_streamer"
		mjpg_streamer -b -i "$LD_MJPG_STREAMER/input_uvc.so -r "$width"x"$height" -f $bitrate -y" -o "$LD_MJPG_STREAMER/output_http.so -p 8080 -w /usr/local/share/mjpg-streamer/www"
		sleep 2
		f_message "mjpg_streamer started"
  fi

  return 0
}

stop() {
  pid=$(mjpg_streamer_pid)
  if [ -n "$pid" ]
  then
    f_message "Stopping mjpg_streamer..."
    kill -9 $pid

    let kwait=$SHUTDOWN_WAIT
    let count=0;
    until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]
    do
      echo -n -e "\nwaiting for processes to exit";
      sleep 1
      let count=$count+1;
    done

    if [ $count -gt $kwait ]; then
      echo -n -e "\nkilling processes which didn't stop after $SHUTDOWN_WAIT seconds\n"
      kill -9 $pid
    fi
  else
    echo "mjpg_streamer is not running"
  fi
 
  return 0
}

# Carry out specific functions when asked to by the system
case "$1" in
        start)
                 start
                 ;;
        stop)
                 stop
                 ;;
        restart)
                 stop
                 sleep 2
                 start
                 ;;
        resolution)
                resolution=`ps axu | grep mjpg-streamer | grep -v grep | awk '{ print $16 }'`
                if [ -n "$resolution" ];
                then
                        echo "${resolution}"
                else
                        echo "0x0"
                fi
                ;;
        status)
                pid=`ps -A | grep mjpg_streamer | grep -v "grep" | grep -v mjpg_streamer. | awk '{print $1}' | head -n 1`
                if [ -n "$pid" ];
                then
                        f_message "mjpg_streamer is running with pid ${pid}"
                        f_message "mjpg_streamer was started with the following command line"
                        cat /proc/${pid}/cmdline ; echo ""
                else
                        f_message "Could not find mjpg_streamer running"
                fi
                ;;
        *)
                f_message "Usage: $0 {start|stop|status|restart}"
                exit 1
                ;;
esac
exit 0

등록

$ sudo chmod u+x /etc/init.d/mjpg_streamer
$ sudo update-rc.d mjpg_streamer defaults

서비스 실행 및 실행 확인

$ sudo service mjpg_streamer start
$ sudo service mjpg_streamer status
[0m mjpg_streamer.service - LSB: mjpg_streamer for webcam
   Loaded: loaded (/etc/init.d/mjpg_streamer)
   Active: active (running) since Sat 2016-05-21 15:18:17 UTC; 8s ago
  Process: 1373 ExecStop=/etc/init.d/mjpg_streamer stop (code=killed, signal=TERM)
  Process: 1403 ExecStart=/etc/init.d/mjpg_streamer start (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/mjpg_streamer.service
           붴1407 mjpg_streamer -b -i /usr/local/lib/mjpg-streamer/input_uvc.so -r 320x240 -f 10 -y -o /usr/local/lib/mjpg-s...
 
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: TV-Norm...........: DEFAULT
May 21 15:18:15 raspberrypi mjpg_streamer[1403]: enabling daemon modeforked to background (1407)
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: www-folder-path...: /usr/local/share/mjpg-streamer/www/
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: HTTP TCP port.....: 8080
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: username:password.: disabled
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: commands..........: enabled
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: starting input plugin /usr/local/lib/mjpg-stream...vc.so
May 21 15:18:15 raspberrypi mjpg_streamer[1407]: MJPG-streamer [1407]: starting output plugin: /usr/local/lib/mjpg-stre...: 00)
May 21 15:18:17 raspberrypi mjpg_streamer[1403]: [+] mjpg_streamer started
May 21 15:18:17 raspberrypi systemd[1]: Started LSB: mjpg_streamer for webcam.
Hint: Some lines were ellipsized, use -l to show in full.

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