#!/bin/bash

# IPcam2rtmp
# Version 1.3
# Look at http://lxy.me/ipcam2rtmp.html for more info

# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version. 

CAM1_RTSP_URL="rtsp地址"
CAM1_RTMP_URL="rtmp地址"

CAM2_RTSP_URL="rtsp地址"
CAM2_RTMP_URL="rtmp地址"

SERVICE="avconv"
PIDDIR="/var/run"
LOGFILE="/var/log/ipcam.log"

DATETIME=`/bin/date +%Y%m%d-%H%M%S`

###################################
# FUNCTION start camera (give camid as param)
###################################

startcam () {

if [[ $1 =~ 'cam1' ]]; then cam='cam1'; RTSP_URL=${CAM1_RTSP_URL}; RTMP_URL=${CAM1_RTMP_URL}; fi
if [[ $1 =~ 'cam2' ]]; then cam='cam2'; RTSP_URL=${CAM2_RTSP_URL}; RTMP_URL=${CAM2_RTMP_URL}; fi
if [ "$cam" != "" ]; then
 PIDFILE="$PIDDIR/$cam.pid"
 DATETIME=`/bin/date +%Y%m%d-%H%M%S`
 PID=$(cat $PIDFILE)
 PNAME=$(ps -p $PID -o comm=)
 if [ "$PNAME"x = "$SERVICE"x ]; then
 echo $DATETIME "Continue tream cam" $cam >> $LOGFILE
 touch $PIDFILE
 else
 /usr/bin/mkfifo $PIDFILE.fifo  1>/dev/null 2>/dev/null
 nohup avconv -rtsp_transport tcp -i ${RTSP_URL} -vcodec copy -an -f flv ${RTMP_URL} 1>/dev/null 2>&1 <$PIDFILE.fifo &
 echo $! > $PIDFILE   # Write process ID in the pid file
 echo > $PIDFILE.fifo # Need this to start ffmpeg process
 echo $DATETIME "Start rtmp cam" $cam "PID" $(cat $PIDFILE)  >> $LOGFILE
fi
fi
}
case "$1" in

startcam)

cam=`echo $2 | sed -ne 's/.*\(cam[0-9]\).*/\1/p'`
startcam $cam

;;

*)

echo "Usage: $0 {startcam id}"
exit 1

;;

esac

exit 0

脚本不完善，需要先建立cam的pid和pid.fifo文件。