sleep 1
done
fi
}
# sanity check helper apps
if [ $gui ]; then
[ -z "$(which zenity)" ]... no instalado (not installed)'
[ -n "$(which mplayer)" ] || progreso=
[ -n "$(which ffmpeg)" ] || die ... 'El archivo de entrada no existe o no se puede leer (Input file not exist or cant read)'
... diolist "Base for Video Bitrate" 1000 "Bits/s (newer ffmpeg version)" check 1 "Kbits/s (old ffmpeg ver