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#!/bin/bash

if [ ! -f $1 ]; then
        echo "Neni konfiguracni soubor radia";
        exit 1
fi
. $1

PID_DIR="./pids"
PCM_DIR="./pcm"
OGG_DIR="./ogg"
RUN_DIR="./run"
ICES_CONFIG="/etc/ices"

if [ ! -f $ICES_CONFIG/ices-$RADIO.xml ]; then
        echo "Chybi konfiguracni soubor ices";
        exit 2
fi

stop() {
        rm -f $PCM_DIR/$RADIO.pcm >/dev/null 2> /dev/null
        rm -f $OGG_DIR/$RADIO.ogg >/dev/null 2> /dev/null
        if [ -f $PID_DIR/mplayer.$RADIO.pid ]; then
                kill -HUP `cat $PID_DIR/mplayer.$RADIO.pid`
                rm $PID_DIR/mplayer.$RADIO.pid
        fi
        if [ -f $PID_DIR/oggenc.$RADIO.pid ]; then
                kill `cat $PID_DIR/oggenc.$RADIO.pid`
                rm $PID_DIR/oggenc.$RADIO.pid
        fi
        if [ -f $PID_DIR/ices.$RADIO.pid ]; then
                kill `cat $PID_DIR/ices.$RADIO.pid`
                rm $PID_DIR/ices.$RADIO.pid
        fi
}

start () {
        /usr/bin/mkfifo $PCM_DIR/$RADIO.pcm
        /usr/bin/mkfifo $OGG_DIR/$RADIO.ogg
        /usr/bin/mplayer $LINK -ao pcm:file=$PCM_DIR/$RADIO.pcm -vc dummy -vo null -cache 128 > $RUN_DIR/$RADIO.run 2>/dev/null&
        echo $! > $PID_DIR/mplayer.$RADIO.pid
        /usr/bin/oggenc -o $OGG_DIR/$RADIO.ogg $PCM_DIR/$RADIO.pcm -b 64 > /dev/null 2>/dev/null&
        echo $! > $PID_DIR/oggenc.$RADIO.pid
        PLAYLIST=`grep '<param name="file">[^<]*</param>' $ICES_CONFIG/ices-$RADIO.xml | cut -d ">" -s -f 2 | cut -d "<" -s -f 1`
        echo $OGG_DIR/$RADIO.ogg > $PLAYLIST
        while true; do
            grep "Starting playback..." $RUN_DIR/$RADIO.run >/dev/null 2>/dev/null
            if [ $? == 0 ]; then
                break
            fi
            sleep 2s
        done
        rm -f $RUN_DIR/$RADIO.run
        /usr/bin/ices $ICES_CONFIG/ices-$RADIO.xml &
        echo $! > $PID_DIR/ices.$RADIO.pid
}

case "$2" in
        start)
                stop
                start
                ;;
        stop)
                stop
                ;;
        restart)
                stop
                start
                ;;
        *)
                echo "Pouziti: $0 radio.conf {start|stop|restart}"
                exit 3
                ;;
esac

exit 0

RADIO=evropa2
LINK=http://netshow3.live.cz/evropa2-64?MSWMExt=.asf