youtube2what

#!/usr/bin/env bash
# youtube2what


[[ $# -ne 0 ]] || { echo "
 Missing argument.
 You need to name at least one video file.
 " ; exit 1 ; }
 

# if yad is installed, use in preference
if [[ -f /usr/bin/yad ]]; then

  DIALOG="yad"
	INFO="image=gtk-dialog-info"
	QUESTION="image=gtk-dialog-question"
	WARNING="image=gtk-dialog-warning"
	ERROR="image=gtk-dialog-error"
	
	#buttons
	BUTTON0="button"
	BUTTON1="button"
	BUTTON0NUM=":0"
	BUTTON1NUM=":1"

#cancel button always returns 1 as $?
#ok button always returns 0 as $?
#ok is default (highlighted)
#buttons in yad dialog window may show reversed from zenity window, e.g.
#yad: ok -- cancel (0 -- 1)
#zenity: cancel -- ok (1 -- 0)

elif [[ -f /usr/bin/zenity ]]; then

	# use zenity
	
	DIALOG="zenity"
	INFO="info"
	QUESTION="question"
	WARNING="warning"
	ERROR="error"
	
	#buttons
	BUTTON0="ok-label"
	BUTTON1="cancel-label"
	BUTTON0NUM=""
	BUTTON1NUM=""

else
	nodialog="yes"
fi


if [[ $nodialog = "yes" ]]; then
	while true ; do
		echo "
	Enter one of the following formats:
	mp3  flac  ogg  avi  mp4  mkv  
	"
		read format
	done
else
	format=$($DIALOG --entry --title="Choose format" --text="Enter one of the following target formats:
 mp3  flac  ogg  avi  mp4  mkv")
fi


case "$format" in

	mp3)
		for MOVIE in "$@" ; do
			AUDIOOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -f mp3 "$AUDIOOUT".mp3
		done ;;


	flac)
		for MOVIE in "$@" ; do
			AUDIOOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -f flac "$AUDIOOUT".flac
		done ;;

	ogg)
		for MOVIE in "$@" ; do
			AUDIOOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -f ogg "$AUDIOOUT".ogg
		done ;;

	avi)
		for MOVIE in "$@" ; do
			VIDOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -b 798k -ab 128k "$VIDOUT".avi
		done ;;

	mp4)
		for MOVIE in "$@" ; do
			VIDOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -acodec copy -vcodec copy "$VIDOUT".mp4
		done ;;

	mkv)
		for MOVIE in "$@" ; do
			VIDOUT=$(basename "$MOVIE" |sed 's/\(.*\)\..*/\1/')
			ffmpeg -i "$MOVIE" -acodec copy -vcodec copy "$VIDOUT".mkv
		done ;;
		
	*) if [[ $nodialog = "yes" ]]; then
		echo "
	Unsupported format. Try one of these next time:
	
	mp3  flac  avi  mp4  mkv
	
	"
		exit 1
	  else
			$DIALOG --$ERROR --title=Error! --text="Unsupported format. Try one of these next time\:
	
  mp3  flac  ogg  avi  mp4  mkv "
		exit 1
	  fi

esac
		
exit 0