ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 30 -s 1024x600 -i :0.0 -acodec libmp3lame -b:a 128k -vcodec libx264 -b:v 1500k -minrate 1400k -maxrate 1500k -bufsize 5000k -preset veryslow -pass 1 -threads 4 /home/a/Vídeos/lol.mkv