170 lines
3.2 KiB
Bash
Executable File
170 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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LOCK_DIR=/var/lock
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SIM_EXAMPLE_FILE=./res/test.wav
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#Laenge der WAV Dateien in Sekunden
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REC_FILE_TIME=360
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#Ordner, ind dem die WAV Dateien abgelegt werden
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#wenn der Ordner nicht existiert, wird er angelegt
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REC_DIR=./recordings
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#Dateiname der WAV Dateien
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# sums-01.wav, sums-02.wav, ...
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REC_PREFIX=sums
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#Ordner in dem die MP3 Dateien abgelegt werden
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#wenn der Ordner nicht existiert, wird er angelegt
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UPL_DIR=./upqueue
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#Dateiname der MP3 Dateien
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# 20210130101112-sumsi.mp3, 20210130101120-sumsi.mp3, ...
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UPL_SUFFIX=sumsi
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usage() {
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echo "Usage: $0 [-h] (-s|-r|-t) [-C <configfile>]" 1>&2;
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echo -e '\t-h Usage'
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echo -e '\t-s Simulation'
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echo -e '\t-r Aufnahme'
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echo -e '\t-c Konvertierung'
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echo -e '\t-C <configfile> ssss'
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exit 1;
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}
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while getopts ":hsrcC:" options;
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do
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case "${options}" in
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h)
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usage
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;;
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"s" | "r" | "c") #simulate
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mode=${options}
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;;
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C)
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config=${OPTARG}
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if [ -f ${config} ]; then
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. ${config}
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else
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echo "file not found: ${config}"
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exit
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fi
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;;
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*)
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echo "unknown option"
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usage
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;;
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esac
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done
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check_var_exists() {
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local var_name=$1
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if [[ ! -v ${var_name} ]]; then
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echo "${var_name} not set"
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exit 1
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fi
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}
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set_lockfile() {
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local BASENAME=$(basename "$0")
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local LOCK_FILE="${LOCK_DIR}/${BASENAME}"
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local RANDOM_FILE=$(mktemp --tmpdir=${LOCK_DIR})
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echo $$ > ${RANDOM_FILE}
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mv -n ${RANDOM_FILE} ${LOCK_FILE}
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if [ -e ${RANDOM_FILE} ] ; then
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false
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else
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true
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fi
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}
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del_lockfile() {
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local BASENAME=$(basename "$0")
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local LOCK_FILE="${LOCK_DIR}/${BASENAME}"
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rm ${LOCK_FILE}
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}
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simulate() {
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check_var_exists "REC_DIR"
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check_var_exists "REC_PREFIX"
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check_var_exists "SIM_EXAMPLE_FILE"
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local COUNTER=0
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mkdir -p ${REC_DIR}
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echo "Press [CTRL+C] to stop.."
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while :
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do
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sleep 1
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COUNTER=$[$COUNTER +1]
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dst_fn="${REC_DIR}/${REC_PREFIX}-${COUNTER}.wav"
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cp ${SIM_EXAMPLE_FILE} ${dst_fn}
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done
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exit 0
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}
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record() {
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check_var_exists "REC_DEVICE"
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check_var_exists "REC_FILE_TIME"
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check_var_exists "REC_PREFIX"
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check_var_exists "REC_DIR"
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mkdir -p ${REC_DIR}
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arecord --format=cd --device=${REC_DEVICE} --max-file-time ${REC_FILE_TIME} ${REC_DIR}/${REC_PREFIX}.wav
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exit 0
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}
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convert() {
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check_var_exists "REC_DIR"
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check_var_exists "UPL_DIR"
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check_var_exists "UPL_SUFFIX"
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check_var_exists "REMOTE_DIR"
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if set_lockfile;
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then
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mkdir -p ${REC_DIR}
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mkdir -p ${UPL_DIR}
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#Alle WAV Files ausser das letzte File.
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#Das letzte File wird gerade recorded und wird beim naechsten Durchlauf verarbeitet
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local FILES=$(ls -tr ${REC_DIR} |head -n -1)
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for F in ${FILES}
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do
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#Ermittle ctime des WAV Files
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local CTIME=$(date -r "${REC_DIR}/${F}" +"%Y%m%d%H%M%S")
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ffmpeg -i "${REC_DIR}/${F}" -acodec mp3 "${UPL_DIR}/${CTIME}_${UPL_SUFFIX}.mp3"
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rm "${REC_DIR}/${F}"
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done
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rsync -avzh --remove-source-files ${UPL_DIR} ${REMOTE_DIR}
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del_lockfile
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exit 0
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else
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echo "LOCK error"
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exit 1
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fi
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}
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case ${mode} in
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s) #Simulation
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simulate
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exit
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;;
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r) #Aufnahme
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record
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;;
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c) #Konvertierung
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convert
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;;
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*)
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echo "mode not set"
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exit 1
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;;
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esac
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