screencast

#!/usr/bin/env bash

## Copyright (C) 2020-2022 Aditya Shakya <adi1090x@gmail.com>
## Everyone is permitted to copy and distribute copies of this file under GNU-GPL3

## Record Screen with slop and ffmpeg

time=`date +%Y-%m-%d-%H-%M-%S`
screen=`xrandr | head -n1 | cut -d',' -f2 | tr -d '[:blank:],current'`
dir="`xdg-user-dir VIDEOS`/Screenrecorder"
file="Capture_${time}.mp4"

# notify
notify_user () {
    if [[ -e "$dir/$file" ]]; then
        dunstify -u low --replace=699 -i /usr/share/archcraft/icons/dunst/video.png "Saved in $dir"
    else
        dunstify -u low --replace=699 -i /usr/share/archcraft/icons/dunst/video.png "Video Deleted."
    fi
}

# countdown
countdown () {
    for sec in `seq $1 -1 1`; do
        dunstify -t 1000 --replace=699 -i /usr/share/archcraft/icons/dunst/timer.png "Starting in : $sec"
        sleep 1
    done
}

# capture
rec_screen() {
    countdown '3'
    if [[ "$1" == "noaudio" ]]; then
        ffmpeg -video_size ${screen} -framerate 25 -f x11grab -i :0.0+0,0 ${dir}/${file}
    else
        ffmpeg -video_size ${screen} -framerate 25 -f x11grab -i :0.0+0,0 -f pulse -ac 2 -i default ${dir}/${file}
    fi
    notify_user
}

rec_area() {
    get_win_data=$(slop -f "%x %y %w %h %g %i") || exit 1
    read -r X Y W H G ID < <(echo $get_win_data)

    countdown '3'
    if [[ "$1" == "noaudio" ]]; then
        ffmpeg -video_size ${W}x${H} -framerate 25 -f x11grab -i :0.0+${X},${Y} ${dir}/${file}
    else
        ffmpeg -video_size ${W}x${H} -framerate 25 -f x11grab -i :0.0+${X},${Y} -f pulse -ac 2 -i default ${dir}/${file}
    fi
    notify_user
}

if [[ ! -d "$dir" ]]; then
    mkdir -p "$dir"
fi

if [[ "$1" == "--screen" ]]; then
    rec_screen
elif [[ "$1" == "--area" ]]; then
    rec_area
elif [[ "$1" == "--screen-na" ]]; then
    rec_screen noaudio
elif [[ "$1" == "--area-na" ]]; then
    rec_area noaudio
else
    echo -e "Available Options : --screen   --screen-na   --area   --area-na"
fi

exit 0