diff options
| -rw-r--r-- | encode-mot.sh | 92 | ||||
| -rw-r--r-- | examplesite/configuration.sh | 18 | ||||
| -rwxr-xr-x | kill-all-encoders.sh | 2 | ||||
| -rwxr-xr-x | launch-all-encoders.sh | 12 | ||||
| -rw-r--r-- | mot.sh | 51 |
5 files changed, 165 insertions, 10 deletions
diff --git a/encode-mot.sh b/encode-mot.sh new file mode 100644 index 0000000..ad60bad --- /dev/null +++ b/encode-mot.sh @@ -0,0 +1,92 @@ +#!/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 id options" + exit 1 +fi + +ID=$1 +shift 2 + +OPTIONS=$@ + +running=1 + +encoderpid=0 + +# The trap for Ctrl-C +sigint_trap() { + printerr "Got Ctrl-C, killing mot-encoder" + running=0 + + if [[ "$encoderpid" != "0" ]] ; then + kill -TERM $encoderpid + fi + + printmsg "quitting" + exit +} + +trap sigint_trap SIGTERM +trap sigint_trap SIGINT + +while [[ "$running" == "1" ]] +do + + printmsg "Launching mot-encoder" + mot-encoder $OPTIONS & + encoderpid=$! + printerr "Detected crash of encoder!" + + sleep 5 + + checkloop=1 + while [[ "$checkloop" == "1" ]] + do + sleep 2 + + kill -s 0 $encoderpid + if [[ "$?" != "0" ]] ; then + printerr "the mot-encoder died" + + encoderpid=0 + checkloop=0 + fi + done + + MAILTO=$(cat ./mail-warning.txt) + + if [[ "$MAILTO" != "" ]] ; then + NOW=$(date) + + mail -s "MOT Encoder $ID restart $URL" "$MAILTO" << EOF +The encoder id:$ID +encoding using mot-encoder was restarted at +$NOW + +EOF + + fi + sleep 5 + +done + diff --git a/examplesite/configuration.sh b/examplesite/configuration.sh index a065697..bcbffc0 100644 --- a/examplesite/configuration.sh +++ b/examplesite/configuration.sh @@ -1,17 +1,23 @@ # Configuration file for the encoder scripts -all_radios=( - "radio1" - "radio2" ) +all_radios=("radio1" "radio2" "radio3") +all_mot=("radio1" "radio3") # declare radios to be an associative array, DO NOT REMOVE declare -A radios +declare -A mot # for each radio, write here the full encoder command. # encode-jack needs: # URL ID dabmux-URL [amplitude correction] -radios[radio1]="./encode-libvlc.sh http://fbpc5.epfl.ch:8000/fb_192 radio1 tcp://localhost:9001" -# Attenuate radio2 by 3dB -radios[radio2]="./encode-libvlc.sh http://mp3lg.tdf-cdn.com/fip/all/fiphautdebit.mp3 radio2 tcp://localhost:9002 toolame -b 128 -s 48 -m j -y 2 -L" +# radio1 +radios[radio1]="./encode-libvlc.sh http://radio1.aac Radio1 tcp://localhost:9001 toolame -b 128 -s 48 -m j -y 2 -L -W dls/radio1.txt -p 6 -P dls/radio1.dls" +mot[radio]="./encode-mot.sh Radio1 --pad 6 --remove-dls --dls dls/radio1.txt --output dls/radio1.dls" +# radio2 +radios[radio2]="./encode-libvlc.sh http://radio2.aac Radio2 tcp://localhost:9002 toolame -b 128 -s 48 -m j -y 2 -L" + +# radio3 +radios[radio3]="./encode-libvlc.sh http://radio3.aac Radio3 tcp://localhost:9003 toolame -b 128 -s 48 -m j -y 2 -L -W dls/radio3.txt -p 6 -P dls/radio3.dls" +mot[radio3]="./encode-mot.sh Radio3 --pad 6 --remove-dls --dls dls/radio3.txt --output dls/radio3.dls" diff --git a/kill-all-encoders.sh b/kill-all-encoders.sh index c572517..38a6f34 100755 --- a/kill-all-encoders.sh +++ b/kill-all-encoders.sh @@ -3,4 +3,4 @@ # kill all processes pkill -INT "radio.sh" - +pkill -INT "mot.sh" diff --git a/launch-all-encoders.sh b/launch-all-encoders.sh index e4ca3db..699fe4f 100755 --- a/launch-all-encoders.sh +++ b/launch-all-encoders.sh @@ -3,18 +3,24 @@ set -e -if [ -f site/configuration.sh ] +if [ -f ./configuration.sh ] then - source site/configuration.sh + source ./configuration.sh for radio in ${all_radios[*]} do echo "Launching $radio encoder" - screen -t "$radio" ./radio.sh "$radio" + screen -t "Audio Encoder $radio" ./radio.sh "$radio" sleep 0.4 done + for mot in ${all_mot[*]} + do + echo "Launching $mot mot-encoder" + screen -t "MOT Encoder $mot" ./mot.sh "$mot" + sleep 0.4 + done else echo "Error: No site configuration available!" exit 1 @@ -0,0 +1,51 @@ +#!/bin/bash +# +# Start the mot-encoder for the radio + +set -e + +source ./configuration.sh + +printerr() { + echo -e "\033[01;31m$1\033[0m" +} + +printmsg() { + echo -e "\033[01;32m$1\033[0m" +} + +script_pid=0 +sigint_trap() { + printerr "Got Ctrl-C, killing radio encoder script" + if [[ "$script_pid" != "0" ]] ; then + kill $script_pid + script_pid=0 + wait + fi +} + +set -e + +# check number of arguments +if [[ "$#" -lt 1 ]] ; then + echo "Usage $0 radio-id" + echo "You must specify which radio to start" + exit 1 +fi + +RADIO=$1 + +if [ "${mot[$RADIO]+_}" ] ; then + COMMAND=${mot[$RADIO]} + + trap sigint_trap SIGINT + + # execute script + $COMMAND & + script_pid=$! + wait +else + echo "Radio $RADIO not defined in configuration" + exit 1 +fi + |