clueless

#!/bin/bashset -x__TMPDIR=~/tmp/function stopCapture{
if [ -e "~/tmp/capture.pid" ]; then
	sleep 10
	kill `cat ~/tmp/capture.pid`
	rm ~/tmp/capture.pid -f
fi

	if [ -e "~/tmp/capture.avi" ]; then
		saveCapture
	fi

	if [ -e "~/tmp/capture.win" ]; then
		rm ~/tmp/capture.win -f
	fi
	return 0
}
function saveCapture{	mv ~/tmp/capture.avi ~/Desktop/capture.avi
	zenity --question --text "Export to the non-proprietary format Ogg/Ogm?"
	if [ "$?" == "0" ]; then
		xterm -T "Exporting to Ogg/Ogm..." -e ffmpeg2theora ~/Desktop/capture.avi
	fi
}

function modeCapture{cMode=$(zenity --list --radiolist --column "" --column "Select capture mode" TRUE "Whole screen" FALSE "Select a window")
	if [ "$?" == "1" ]; then
		return 1
	fi
	if [ "$cMode" == "Whole screen"	]; then
		xwininfo -root  > ~/tmp/capture.win
	else
		xwininfo -frame > ~/tmp/capture.win
	fi
	cMessage=`cat ~/tmp/capture.win`
	zenity --question --text="$cMessage" --title="Begin capture?"
	return "$?"
}

function  startCapture{modeCapture
if [ "$?" == "1" ]; then
	return 1
fi

nLeft=$(cat ~/tmp/capture.win | grep  'Absolute upper-left X:' | awk '{print $NF}')
nTop=$(cat ~/tmp/capture.win | grep  'Absolute upper-left Y:' | awk '{print $NF}')
nWidth=$(cat ~/tmp/capture.win | grep  Width: | awk '{print $NF}')
nHeight=$(cat ~/tmp/capture.win | grep  Height: | awk '{print $NF}')

if [ $(( nWidth % 2 )) -gt 0 ];then
	nWidth=$(( nWidth + 1 ))fi
if [ $(( nHeight % 2 )) -gt  0 ]; then
	nHeight=$(( nHeight + 1 ))
fi
cFileAvi=~~/tmp/capture.avi
$(ffmpeg -vcodec mpeg4 -b 1000 -r 10 -g 300 -vd x11:"$nLeft","$nTop" -s "$nWidth"x"$nHeight" "$cFileAvi" &  echo "$!" > ~/tmp/capture.pid)
	return 0
}

function checkIfRunning{if [ ! -e "~/tmp/capture.pid" ]; then 
	return 0
fi
zenity --question --text="Detected active capture process.  Stop previous capture?" 
if [ "$?" == "1" ]; then
	return 1
fi
	stopCapture
return 0
}
if [ "$1" == "-stop" ]; then
	stopCapture
	exit 0
fi
if [ "$1" == "-start" ]; then
	checkIfRunning
	if [ "$?" == "0" ]; then
		startCapture
	fi
	exit "$?"
fi