#!/bin/bash

usage() {
    echo "
screen recording using ffmpeg
usage: ${0##*/} [ -w/a ]

option:
  -w        without audio 
  -a        with audio
"
    exit 1
}

case $1 in 
        -w)
            ffmpeg -video_size 1920x1080 -framerate 25 -f x11grab -i :0.0 ~/screens/vids/record_$(date +%d-%b-%y-%I:%M%p).mkv
            ;;
        -a)
            ffmpeg -video_size 1920x1080 -framerate 25 -f x11grab -i :0.0 -f pulse -ac 2 -i default ~/screens/vids/record_$(date +%d-%b-%y-%I:%M%p).mkv
            ;;
        *) usage
esac