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interfaz-vlc.sh
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interfaz-vlc.sh
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#!/bin/bash
#
# Este script no se ejecuta normalmente de forma directa. Es llamado por otros scripts.
# El objetivo es servir de interfaz contra VLC de lectura/escritura. Se puede consultar
# qué se emite actualmente (se apoya en la interfaz del calendario para descifrar las URL)
# y enviarle comandos, como emitir otra cosa o reiniciar la emisión.
#
source $( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/support_functions.sh
COMANDO=$1
ARGUMENTO=$2
function showok(){
if [ $1 -eq 0 ] ; then
echo " [OK]"
else
echo " [FAIL!]"
fi
}
if [ -z "$COMANDO" ] ; then
echo "Uso: vlc-control.sh COMANDO [ARGUMENTOS]"
echo " addfile ARCHIVO Anhade un archivo a la lista de reproduccion y lo reproduce"
echo " addstream PROGRAMA Anhade el stream del programa indicado a la lista de reproduccion y lo reproduce"
echo " addpodcast PROGRAMA Anhade el ultimo capitulo del podcast del programa indicado a la lista de reproduccion y lo reproduce"
echo " queuefile ARCHIVO Anhade un archivo a la lista de reproduccion"
echo " queuestream PROGRAMA Anhade el stream del programa indicado a la lista de reproduccion"
echo " queuepodcast PROGRAMA Anhade el ultimo capitulo del podcast del programa indicado a la lista de reproduccion"
echo " delfile ARCHIVO Borra un archivo de la lista de reproduccion"
echo " delstream PROGRAMA Borra el stream del programa indicado de la lista de reproduccion"
echo " next Avanza en la lista de reproduccion"
echo " list Muestra la lista de reproduccion"
echo " kill Mata a todo VLC viviente"
echo " run Ejecuta el VLC"
echo " restart Mata a todo VLC viviente y vuelve a ejecutarlo"
echo " current id|name|url|programa|artist-track|artwork Show current track information"
echo " seekto seconds Seek player to the given seconds"
exit 1
fi
logcommand $0 $@
WGETCMD="wget --timeout=20 --tries=2 -O /dev/null --quiet"
case $COMANDO in
seekto)
echo -ne "Seeking to $ARGUMENTO..."
$WGETCMD "$URL_STATUS?command=seek&val=$ARGUMENTO"
showok $?
;;
next)
echo -ne "Siguiente..."
$WGETCMD "$URL_STATUS?command=pl_next"
showok $?
;;
prev)
echo -ne "Anterior..."
$WGETCMD "$URL_STATUS?command=pl_previous"
showok $?
;;
queuefile)
echo -ne "Encolando $ARGUMENTO..."
$WGETCMD "$URL_STATUS?command=in_enqueue&input=$ARGUMENTO"
showok $?
;;
addfile)
echo -ne "AÃadiendo $ARGUMENTO..."
$WGETCMD "$URL_STATUS?command=in_play&input=$ARGUMENTO"
showok $?
;;
addstream)
echo -ne "Buscando stream de $ARGUMENTO..."
OUTPUT=$($RBT_SCRIPTSDIR/interfaz-calendario.sh stream "$ARGUMENTO")
if [ "a$OUTPUT" == "a" ] ; then
echo " [FAIL!]"
else
echo " [OK]"
$0 addfile $OUTPUT
fi
;;
queuestream)
echo -ne "Buscando stream de $ARGUMENTO..."
OUTPUT=$($RBT_SCRIPTSDIR/interfaz-calendario.sh stream "$ARGUMENTO")
if [ "a$OUTPUT" == "a" ] ; then
echo " [FAIL!]"
else
echo " [OK]"
$0 queuefile $OUTPUT
fi
;;
clear)
echo -ne "Clearing playlist..."
$WGETCMD "$URL_STATUS?command=pl_empty"
showok $?
;;
delfile)
ARGUMENTO=$(echo $ARGUMENTO | sed 's/ /%20/g')
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
grep "$ARGUMENTO" /tmp/vlc_playlist | grep "leaf" | grep "id=" > /tmp/vlc_id
if [ -z "$(cat /tmp/vlc_id)" ] ; then
ARGUMENTO=$(echo $ARGUMENTO | sed 's/%20/ /g')
grep "$ARGUMENTO" /tmp/vlc_playlist | grep "leaf" | grep "id=" > /tmp/vlc_id
fi
if [ ! -z "$(cat /tmp/vlc_id)" ] ; then
OBJID=$(cat /tmp/vlc_id | sed -r 's/.*id=\"([0-9]+)\".*/\1/')
if [ ! -z "$(cat /tmp/vlc_id | grep current=\"current\")" ] ; then
$0 next
sleep 1
fi
echo -ne "Eliminando elemento $ARGUMENTO..."
$WGETCMD "$URL_STATUS?command=pl_delete&id=$OBJID"
showok $?
else
echo -e "Eliminando elemento $ARGUMENTO... [FAIL!]"
fi
;;
delstream)
echo -ne "Buscando stream de $ARGUMENTO..."
OUTPUT=$($RBT_SCRIPTSDIR/interfaz-calendario.sh stream "$ARGUMENTO")
if [ "a$OUTPUT" == "a" ] ; then
echo " [FAIL!]"
else
echo " [OK]"
$0 delfile $OUTPUT
fi
;;
list)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
cat /tmp/vlc_playlist | while read LINE ; do
echo $LINE | grep "<leaf" > /dev/null || continue;
TRACK_ID=$(echo $LINE |sed -r 's/.*id=\"([0-9]+)\".*/\1/')
TRACK_NAME=$(echo $LINE |sed -r 's/.*name=\"([^"]+)\".*/\1/')
TRACK_FILE=$(echo $LINE |sed -r 's/.*uri=\"([^"]+)\".*/\1/'|sed -r 's/%20/ /g')
echo $LINE | grep current > /dev/null
if [ $? -eq 0 ] ; then
# Current track
echo -ne "$TRACK_ID:::$TRACK_NAME:::$TRACK_FILE:::CURRENT\n"
else
echo -ne "$TRACK_ID:::$TRACK_NAME:::$TRACK_FILE\n"
fi
done
;;
current)
case $ARGUMENTO in
id)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
LINE=`cat /tmp/vlc_playlist | grep "<leaf" | grep current`
OUTPUT=$(echo $LINE |sed -r 's/.*id=\"([0-9]+)\".*/\1/')
echo "$OUTPUT"
;;
name)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
LINE=`cat /tmp/vlc_playlist | grep "<leaf" | grep current`
OUTPUT=$(echo $LINE |sed -r 's/.*name=\"([^"]+)\".*/\1/')
echo "$OUTPUT"
;;
url)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
LINE=`cat /tmp/vlc_playlist | grep "<leaf" | grep current`
OUTPUT=$(echo $LINE |sed -r 's/.*uri=\"([^"]+)\".*/\1/')
echo "$OUTPUT"
;;
programa)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
if [ $? -ne 0 ] ; then
exit 1
fi
LINE=`cat /tmp/vlc_playlist | grep "<leaf" | grep current`
URL=$(echo $LINE |sed -r 's/.*uri=\"([^"]+)\".*/\1/')
if [ ! -z "$URL" ] ; then
OUTPUT=$($RBT_SCRIPTSDIR/interfaz-calendario.sh nombre "$URL")
echo "$OUTPUT"
else
echo "<Nothing>"
fi
;;
artist-track)
wget --quiet -O /tmp/vlc_status $URL_STATUS
while read LINE ; do
echo "$LINE" | grep "name='artist'" &>/dev/null
if [ $? -eq 0 ] ; then
ARTIST="$(echo "$LINE" | sed -r "s/.*name='artist'>([^<]*)<\/info>.*/\1/")"
fi
echo "$LINE" | grep "name='title'" &>/dev/null
if [ $? -eq 0 ] ; then
TITLE="$(echo "$LINE" | sed -r "s/.*name='title'>([^<]*)<\/info>.*/\1/")"
fi
done < /tmp/vlc_status
ARTISTTITLE="$(printf %b "${ARTIST//%/\x} - ${TITLE//%/\x}")"
echo "$ARTISTTITLE"
;;
artwork)
wget --quiet -O /tmp/vlc_status $URL_STATUS
while read LINE ; do
echo "$LINE" | grep "name='artwork_url'" &>/dev/null
if [ $? -eq 0 ] ; then
ARTWORK="$(echo "$LINE" | sed -r "s/.*name='artwork_url'>file:\/\/([^<]*)<\/info>.*/\1/")"
ARTWORK="$(printf %b "${ARTWORK//%/\x}")"
fi
done < /tmp/vlc_status
echo "$ARTWORK"
;;
*)
wget --quiet -O /tmp/vlc_playlist $URL_PLAYLIST
LINE=`cat /tmp/vlc_playlist | grep "<leaf" | grep current`
echo "$OUTPUT"
esac
;;
kill)
VLCPID=$(pgrep -x vlc)
[ -z $VLCPID ] && echo "No hay procesos VLC"
for p in $VLCPID; do
echo -ne "Matando proceso VLC $p..."
kill $p 2>/dev/null
sleep 2
kill -9 $p 2>/dev/null
echo " [OK]";
done
;;
run)
function diagnostico(){
SALIDASABIERTAS=`cat /tmp/vlc-nohup.out | grep "mux_ogg mux: Open" | wc -l`
OBTENIDOSTREAM=`cat /tmp/vlc-nohup.out | grep "Raw-audio server found" | wc -l`
echo -ne "Stream de entrada obtenido: "
if [ $OBTENIDOSTREAM -eq 1 ] ; then
echo "1 [OK]"
else
echo "0 [FAIL]"
fi
echo -ne "Salidas abiertas: $SALIDASABIERTAS. "
if [ $SALIDASABIERTAS -eq 2 ] ; then
echo "[OK]"
else
echo "[FAIL]"
fi
}
function replace_spaces(){
echo $@ | sed 's/ /%20/g'
}
if [ ! -z "$(pgrep -f /usr/bin/vlc)" ]; then
echo -ne "[AVISO] Hay VLC ejecutandose. Seguro que quieres ejecutar mas? Cancela con control+c "
sleep 1;echo -ne ".";sleep 1;echo -ne ".";sleep 1;echo -ne ".";echo
fi
echo -ne "Ejecutando VLC..."
OTHER_OPTIONS="--loop --sout-keep --sout-all --http-reconnect --file-caching=1000 --sout-mux-caching=900 --verbose=2 --extraintf=logger --logfile=/tmp/vlc-logging"
INTF_OPTIONS="-I http --http-host $VLC_SERVER --http-port $VLC_PORT"
COMANDO='vlc '$OTHER_OPTIONS' '$INTF_OPTIONS' --sout #transcode{aenc=vorbis,acodec=vorb,ab='$VLC_BITRATE',channels='$VLC_CHANNELS',samplerate='$VLC_SAMPLERATE',threads=1}:gather:std{access=shout,mux=ogg,dst='$ICECAST2_MOUNT_USER':'$ICECAST2_MOUNT_PASSWORD'@'$ICECAST2_SERVER':'$ICECAST2_PORT'/'$ICECAST2_MOUNT'} '$RBT_MUSICADIR'/playlist.m3u'
screen -d -m $COMANDO
echo -e " [OK]"
echo -e "Comando utilizado: $COMANDO"
echo -ne "Escribiendo timestamp en /tmp/vlc-laststarttime..."
echo $(date +%s) > /tmp/vlc-laststarttime
echo -e " [OK]"
sleep 3
;;
restart)
$0 kill
$0 run
;;
esac