Screen Recorder Shell Script with ffmpeg

screenrec.sh

#!/bin/bash
#---------------------------------------------------------------------
# screenrec.sh
#
# ffmpeg shellscript screen recorder
#
# Script: screenrec.sh
# Version: 1.1.0
# Author: Yasin KARABULAK <yasinkarabulak@gmail.com>
# 
# * monitor detection automatized. (xrandr)
# * php eleminated.	(using date)
# * performance issues fixed. (nice -10)
#---------------------------------------------------------------------

if [ -z $(which ffmpeg) ]; then
	echo -e "ffmpeg bulunamadı!"
	exit
fi

basedir="/home/yasin/Videolar/screen_records"
ffcmd="nice -10 $(which ffmpeg)"
	year=$(date +"%Y")
	month=$(date +"%m")
	day=$(date +"%d")
recdir="$basedir/$year/$month/$day"
framerate=12
#~ monitors=$(xrandr --listmonitors | awk '{print $4}' | grep -P "[^ ]")
monitors=$(xrandr | grep \* |awk '{print $1}')
monitor_count=$(xrandr | grep \* |awk '{print $1}' | wc -l)

ilk=$(echo $monitors | awk '{print $1}')

if [ $monitor_count -gt 1 ]; then
	iki=$(echo $monitors | awk '{print $2}')
	
	ilk_width=$(echo $ilk | awk -F"x" '{print $1}')
	ilk_height=$(echo $ilk | awk -F"x" '{print $2}')
	iki_width=$(echo $iki | awk -F"x" '{print $1}')
	iki_height=$(echo $iki | awk -F"x" '{print $2}')
	full_width=$(($ilk_width+$iki_width))

	if [ $ilk_height -gt $iki_height ]; then
		max_height=$ilk_height
	elif [ $iki_height -gt $ilk_height ]; then
		max_height=$iki_height
	else
		max_height=$ilk_height
	fi
	offset="$ilk_width,0"
else
	ilk_width=$(echo $ilk | awk -F"x" '{print $1}')
	ilk_height=$(echo $ilk | awk -F"x" '{print $2}')
	full_width=$ilk_width
	max_height=$ilk_height
	offset="0,0"
fi

full=$full_width"x"$max_height
#~ echo $ilk $iki $full_width $max_height $full $offset

if [ ! -d "$recdir" ]; then
    mkdir -p "$recdir"
else
    echo "$recdir"
fi

if [ -z $1 ]; then
    echo "Kayıt yapılacak ekranı seçin | Seçenekler => full 1st 2nd showcam webcam | 2. argüman olarak ses yazıldığında sesli kayıt aktifleştirilmiş olunur."
else
	if [ "$1" = "full" ] && [ -z $2 ]; then
	queue="$(ls $recdir/output_$1*|wc -l)"
		$ffcmd -video_size $full -framerate $framerate -f x11grab -i :0.0+0,0 -c:v libx264 "$recdir/output_$1_screen_$queue.mp4"
    elif [ "$1" = "full" ] && [ "$2" = "ses" ]; then
	queue="$(ls $recdir/output_$1_sesli*|wc -l)"
		$ffcmd -video_size $full -framerate 30 -f x11grab -i :0.0+0,0 -f pulse -ac 2 -i default -c:v libx264  -preset ultrafast "$recdir/output_$1_sesli_screen_$queue.mp4"
    elif [ "$1" = "1st" ] && [ -z $2 ]; then
	queue="$(ls $recdir/output_$1*|wc -l)"
		$ffcmd -video_size $ilk -framerate $framerate -f x11grab -i :0.0+0,0 -c:v libx264 "$recdir/output_$1_screen_$queue.mp4"
    elif [ "$1" = "1st" ] && [ "$2" = "ses" ]; then
	queue="$(ls $recdir/output_$1_sesli*|wc -l)"
		$ffcmd -video_size $ilk -framerate 30 -f x11grab -i :0.0+0,0 -f pulse -ac 2 -i default -c:v libx264  -preset ultrafast "$recdir/output_$1_sesli_screen_$queue.mp4"
    elif [ "$1" = "2nd" ] && [ -z $2 ]; then
	queue="$(ls $recdir/output_$1*|wc -l)"
		$ffcmd -video_size $iki -framerate $framerate -f x11grab -i :0.0+$offset -c:v libx264 "$recdir/output_$1_screen_$queue.mp4"
    elif [ "$1" = "2nd" ] && [ "$2" = "ses" ]; then
	queue="$(ls $recdir/output_$1_sesli*|wc -l)"
		$ffcmd -video_size $iki -framerate 30 -f x11grab -i :0.0+$offset -f pulse -ac 2 -i default -c:v libx264  -preset ultrafast "$recdir/output_$1_sesli_screen_$queue.mp4"
    elif [ "$1" = "showcam" ]; then
		#ffmpeg -f v4l2 -list_formats all -i /dev/video0
		$(which ffplay) -f video4linux2 -framerate 30 -video_size hd720 /dev/video0
    elif [ "$1" = "webcam" ] && [ -z $2 ]; then
	queue="$(ls $recdir/output_$1*|wc -l)"
		$ffcmd -f video4linux2 -video_size 1280x720 -input_format mjpeg -i /dev/video0 "$recdir/output_$1_$queue.mpeg"
    else
		echo "$1 argümanı için işlem tanımlanmadı !"
	fi
fi