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|
#!/bin/bash
#
# Encode programme using libVLC input from
# dabplus-enc or toolame
#
# monitor processes, and restart if necessary
# Optionally send an email when restart happens
printerr() {
echo -e "\033[01;31m$1\033[0m"
logger -p local0.error -t "$ID" "$1"
}
printmsg() {
echo -e "\033[01;32m$1\033[0m"
logger -p local0.notice -t "$ID" "$1"
}
set -u
# check number of arguments
if [[ "$#" -lt 3 ]] ; then
echo "Usage $0 url id destination [encoder]"
echo "Encoder shall be 'dabplus-enc' or 'toolame'"
exit 1
fi
URL=$1
ID=$2
DST=$3
if [[ "$#" -gt 3 ]] ; then
ENC=$4
else
ENC="dabplus-enc"
fi
if [[ "$#" -gt 4 ]]; then
shift 4
OPTIONS=$@
else
if [[ "$ENC" == "dabplus-enc" ]]; then
OPTIONS="-b 80 -r 32000"
else
OPTIONS="-b 128 -s 48 -L"
fi
fi
running=1
encoderpid=0
# The trap for Ctrl-C
sigint_trap() {
printerr "Got Ctrl-C, killing mplayer and encoder"
running=0
if [[ "$encoderpid" != "0" ]] ; then
kill -TERM $encoderpid
sleep 2
kill -KILL $encoderpid
fi
printmsg "quitting"
exit
}
trap sigint_trap SIGTERM
trap sigint_trap SIGINT
while [[ "$running" == "1" ]]
do
printmsg "Launching encoder"
if [[ "$ENC" == "dabplus-enc" ]] ; then
dabplus-enc -v "$URL" $OPTIONS -o "$DST" -l &
encoderpid=$!
elif [[ "$ENC" == "toolame" ]] ; then
toolame $OPTIONS -V "$URL" "$DST" &
encoderpid=$!
fi
printerr "Detected crash of encoder!"
sleep 5
checkloop=1
while [[ "$checkloop" == "1" ]]
do
sleep 2
kill -s 0 $encoderpid
if [[ "$?" != "0" ]] ; then
printerr "the encoder died"
encoderpid=0
checkloop=0
fi
done
MAILTO=$(cat site/mail-warning.txt)
if [[ "$MAILTO" != "" ]] ; then
NOW=$(date)
mail -s "Encoder $ID restart $URL" "$MAILTO" << EOF
The encoder id:$ID
encoding $URL -> $DST using encode-libvlc was restarted at
$NOW
EOF
fi
sleep 5
done
|
