Ubuntu Sverige

Kod: Markera allt

#! /bin/bash
#
#####################################################################
#
function usage {
	cat << EOD

usage: 	cam { all | help | list | reset | set | show }

	all
		print all info (approximately "info"+"list")

	help | -h | --help
		show this

	info
		show info about the camera

	list | show
		lists the settings for available cameras

	reset
		reset the camera to its default settings

	set [param=value]
		set any of the parameters shown by "list" or "show" to a value,
		as long as it is between MIN and MAX.

EOD
exit
}
#
#####################################################################
#
TEMP=`getopt -oh --long help -n $(basename $0) -- "$@"`
if [[ $? -ne 0 ]]; then
	usage
fi
eval set -- "$TEMP"
HELP=false
CMDNAME=$(basename $0)
while true; do
	case $1 in
		-h|--help)
			usage
			exit
			;;
		--)
			shift
			break
			;;
		*)
			echo "-Got a star... [$1]"
			exit
			;;
	esac
done
FUNCTION=$1
PARAMVAL=$2
#
#####################################################################
#
if [[ -z $(which which v4l2-ctl) ]]; then
	echo
	read -p "v4l2-ctl is not installed, do you want to install it? [y/N]: " IN
	if [[ $IN == "y" || $IN == "Y" ]]; then
		apt-get -y --allow-downgrades --allow-remove-essential --allow-change-held-packages --allow-unauthenticated install v4l-utils
	else
		echo
		exit
	fi
fi
#
WRITTEN=false
VIDEOS=$(v4l2-ctl --list-devices 2> /dev/null | grep /dev/video)
if [[ $? != 0 ]]; then
	echo
	echo "-Can not find any camera device..."
	echo
	exit
fi
for VIDEO in $VIDEOS; do
	OUT=$(v4l2-ctl -d $VIDEO --list-ctrls)
	if [[ ! -z $OUT ]]; then
		WRITTEN=true
		echo
		echo $VIDEO
		if [[ $FUNCTION == "help" ]]; then
			usage
		elif [[ $FUNCTION == "all" ]]; then
			v4l2-ctl -d $VIDEO --all
		elif [[ $FUNCTION == "info" ]]; then
			v4l2-ctl -d $VIDEO --info
		elif [[ $FUNCTION == "list" || $FUNCTION == "show" ]]; then
			v4l2-ctl -d $VIDEO --list-ctrls-menus
		elif [[ $FUNCTION == "set" ]]; then
			if [[ ! -z $PARAMVAL ]]; then
				PARAM=$(echo $PARAMVAL | awk -F = '{ print $1 }')
				VALUE=$(echo $PARAMVAL | awk -F = '{ print $2 }')
				if [[ -z $VALUE ]]; then
					echo "-$PARAM has no value..."
					echo
					exit
				fi
				LINE=$(v4l2-ctl -d $VIDEO --list-ctrls-menus | grep "$PARAM ")
				NAME=$(echo $LINE | awk '{ print $1 }' | xargs)
				REST=$(echo $LINE | awk '{ $1=""; print $0 }' | xargs)
				IFS=" "
				for PARAM in $REST; do
					if [[ ! -z $(echo $PARAM | grep "default=") ]]; then
						DEFAULT=$(echo $PARAM | awk -F = '{ print $2 }')
					elif [[ ! -z $(echo $PARAM | grep "min=") ]]; then
						MIN=$(echo $PARAM | awk -F = '{ print $2 }')
					elif [[ ! -z $(echo $PARAM | grep "max=") ]]; then
						MAX=$(echo $PARAM | awk -F = '{ print $2 }')
					fi
				done
				if [[ $VALUE -gt $MAX ]]; then
					echo "-Value $VALUE is greater than MAX..."
				elif [[ $VALUE -lt $MIN ]]; then
					echo "-Value $VALUE is less than MIN..."
				else
					echo "v4l2-ctl --device $VIDEO --set-ctrl $PARAMVAL"
					v4l2-ctl --device $VIDEO --set-ctrl $PARAMVAL
				fi
			else
				echo "-Can not set $VIDEO to nothing..."
			fi
		elif [[ $FUNCTION == "reset" ]]; then
			LINES=$(v4l2-ctl -d $VIDEO --list-ctrls | awk '{ $2=""; $3=""; $4=""; print $0 }')
			IFS='
			'
			for LINE in $LINES; do
				NAME=$(echo $LINE | awk '{ print $1 }' | xargs)
				REST=$(echo $LINE | awk '{ $1=""; print $0 }' | xargs)
				IFS=" "
				for PARAM in $REST; do
					if [[ ! -z $(echo $PARAM | grep "value=") ]]; then
						VALUE=$(echo $PARAM | awk -F = '{ print $2 }')
					elif [[ ! -z $(echo $PARAM | grep "default=") ]]; then
						DEFAULT=$(echo $PARAM | awk -F = '{ print $2 }')
					elif [[ ! -z $(echo $PARAM | grep "min=") ]]; then
						MIN=$(echo $PARAM | awk -F = '{ print $2 }')
					elif [[ ! -z $(echo $PARAM | grep "max=") ]]; then
						MAX=$(echo $PARAM | awk -F = '{ print $2 }')
					fi
				done
				PARAMVAL="$NAME=$DEFAULT"
				if [[ $VALUE != $DEFAULT ]]; then
					echo "v4l2-ctl --device $VIDEO --set-ctrl $PARAMVAL"
					v4l2-ctl --device $VIDEO --set-ctrl $PARAMVAL
				fi
				IFS='
				'
			done
		fi
	fi
done
if [[ $WRITTEN == true ]]; then
	echo
fi

Kod: Markera allt

#! /bin/bash
#
cam set brightness=110
cam set contrast=30
cam set saturation=20
cam set hue=200
cam set gamma=200
cam set backlight_compensation=50