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Version 1 - Recording with vlc

IPCamera_record

#!/bin/bash

MINUTES=$(date +%M)
echo $MINUTES
HOUR=60
let LEFT=$HOUR-$MINUTES
echo $LEFT
let FIRSTTIME=$LEFT*60
for ((;;))
do
    if [ $LEFT -gt 0 ]; then
	vlc -vvv "http://hostname:port/videostream.cgi?user=username&pwd=password&resolution=32&rate=11" --no-sout-audio --sout "#std{mux=avi,access=file,dst=/pathname/$(date +%Y%m%d-%H%M).avi}" --run-time $FIRSTTIME --stop-time=$FIRSTTIME vlc://quit
    fi
    for ((  i = 0 ;  i <= 24;  i++  ))
    do
    	vlc -vvv "http://hostname:port/videostream.cgi?user=username&pwd=password&resolution=32&rate=11" --no-sout-audio --sout "#std{mux=avi,access=file,dst=/pathname/$(date +%Y%m%d-%H%M).avi}" --run-time 3600 --stop-time=3600 vlc://quit
    done
done
exit 0

Record based Alarm
#!/bin/bash

for (( ;; ))
do
    result=`lynx -dump -auth=Adminuser:password http://hostname:port/get_params.cgi | grep alarm_motion_armed`
	        	    
    if [ ${result:23:1} = 1 ]; then
        vlcon=`ps x | pgrep vlc`
        if [ -z $vlcon ]; then
            vlc -vvv "http://hostname:port/videostream.cgi?user=username&pwd=password&resolution=32&rate=11" --no-sout-audio --sout "#std{mux=avi,access=file,dst=/pathname/$(date +%Y%m%d-%H%M).avi}" --run-time 3600 --stop-time=3600 vlc://quit
	fi
    else
        VLCon=`ps x | pgrep vlc`
        if [ -z $VLCon ]; then
        	echo VLC not started
	else
	    kill -9 `ps x | pgrep vlc`
	fi
    fi
    sleep 3
done
exit 0

Version 2 - Recording with avconv

#!/bin/bash

#for (( ;; ))
while [ true ]
do
{
    result=`/usr/bin/lynx -dump -auth=AdminUser:password http://hostname:port/get_params.cgi | grep alarm_motion_armed`
    if [ ${result:23:1} == 1 ]; then
        avconvon1=`ps x | pgrep avconv`
        # Check if $avconv1 string is null
        if [ -z "$avconvon1" ]; then
	    nohup /pathname/avconv -y -analyzeduration 0 -i "http://hostname:port/videostream.asf?user=AdminUser&pwd=password" -vf drawtext="fontfile='/usr/share/fonts/dejavu/DejaVuSans.ttf':text='%F %T' :x=10:y=10:fontsize=14:fontcolor=black@0.5" -qscale 4 -r 6 -c:v msmpeg4v2 /pathname/$(date +%Y%m%d_%H%M%S).asf >/dev/null 2>&1 &
	    pid=$!
	fi
	# On midnight record in another file
	midnight=`date +%k%M%S`
	if [ $midnight -le "000006" ]; then
	    # if $pid is non-zero
	    if [ -n "$pid" ]; then
		kill ${pid}
		unset $pid
	    fi
	fi
    else
        avconvon2=`ps x | pgrep avconv`
        # Check if $avconvon2 string is not null
        if [ -n "$avconvon2" ]; then
    	    kill ${pid}
    	    unset pid
	fi
    fi
    sleep 5s
}
done
exit 0