daktak/ffmpeg_record_screen.sh

## ffmpeg_record_screen.sh
#!/bin/bash
#pass in alsa or pulse to record from sound device
IFS=$
#omit the top pixels to hide tabs and address bar
FIREFOX_Y_BUFFER=94
FIREFOX_X_BUFFER=2
if [[ ${1} =~ alsa ]] ; then
	sound="-f alsa -ac 2 -i hw:0"
fi
if [[ ${1} =~ pulse ]] ; then
	sound="-f pulse -ac 2 -i default"
fi
output=`xwininfo`
width=`echo $output | grep Width: | awk '{print $2}'`
height=`echo $output | grep Height: | awk '{print $2}'`
topleftX=`echo $output | grep "Absolute upper-left X:" | awk '{print $4}'`
topleftY=`echo $output | grep "Absolute upper-left Y:" | awk '{print $4}'`
winid=`echo $output | grep "Window id:" | awk '{print $4}'`
window=`xprop -id $winid WM_CLASS`
window=${window##*WM_CLASS(STRING) = }
window=${window##*, }
window=${window//\"}
window=`echo $window | sed 's/:/_/g'`
if [[ ${window} =~ Firefox ]] || [[ ${window} =~ Icecat ]] ; then
	topleftY=$(( ${topleftY} + ${FIREFOX_Y_BUFFER} ))
	topleftX=$(( ${topleftX} + ${FIREFOX_X_BUFFER} ))
	width=$(( ${width} - ${FIREFOX_X_BUFFER} ))
	height=$(( ${height} - ${FIREFOX_Y_BUFFER} ))
fi
ffmpeg -video_size ${width}x${height} -framerate 25 -f x11grab -i :0.0+${topleftX},${topleftY} ${sound} ${window}.mp4
	#!/bin/bash
	#pass in alsa or pulse to record from sound device
	IFS=$
	#omit the top pixels to hide tabs and address bar
	FIREFOX_Y_BUFFER=94
	FIREFOX_X_BUFFER=2
	if [[ ${1} =~ alsa ]] ; then
	sound="-f alsa -ac 2 -i hw:0"
	fi
	if [[ ${1} =~ pulse ]] ; then
	sound="-f pulse -ac 2 -i default"
	fi
	output=`xwininfo`
	width=`echo $output \| grep Width: \| awk '{print $2}'`
	height=`echo $output \| grep Height: \| awk '{print $2}'`
	topleftX=`echo $output \| grep "Absolute upper-left X:" \| awk '{print $4}'`
	topleftY=`echo $output \| grep "Absolute upper-left Y:" \| awk '{print $4}'`
	winid=`echo $output \| grep "Window id:" \| awk '{print $4}'`
	window=`xprop -id $winid WM_CLASS`
	window=${window##*WM_CLASS(STRING) = }
	window=${window##*, }
	window=${window//\"}
	window=`echo $window \| sed 's/:/_/g'`
	if [[ ${window} =~ Firefox ]] \|\| [[ ${window} =~ Icecat ]] ; then
	topleftY=$(( ${topleftY} + ${FIREFOX_Y_BUFFER} ))
	topleftX=$(( ${topleftX} + ${FIREFOX_X_BUFFER} ))
	width=$(( ${width} - ${FIREFOX_X_BUFFER} ))
	height=$(( ${height} - ${FIREFOX_Y_BUFFER} ))
	fi
	ffmpeg -video_size ${width}x${height} -framerate 25 -f x11grab -i :0.0+${topleftX},${topleftY} ${sound} ${window}.mp4