86 lines
1.9 KiB
Bash
Executable File
86 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
|
||
|
||
# NBMrec
|
||
# nocturnal bird migration recorder daemon
|
||
# by Samuel ORTION
|
||
|
||
RECORD_DIR="/mnt/DATA/media/records"
|
||
RECORD_DATE=$(date +"%Y-%m-%d")
|
||
PREFIX="nbmrec"
|
||
RECORD_FILENAME="${PREFIX}_$(date +"%Y%m%d_%H%M%S").wav"
|
||
RECORD_FILEPATH="${RECORD_DIR}/${RECORD_DATE}/${RECORD_FILENAME}"
|
||
START_TIME="22:00"
|
||
END_TIME="06:00"
|
||
START_TIMESTAMP=$(date -d "$START_TIME" "+%s")
|
||
END_TIMESTAMP=$(date -d "$END_TIME + 1 day" "+%s")
|
||
RECORD_DURATION=$(( $START_TIMESTAMP - $END_TIMESTAMP ))
|
||
VERBOSE=false
|
||
|
||
# Load conf file if any
|
||
if [ -f /usr/local/etc/nbmrec/nbmrec.conf ]; then
|
||
source /usr/local/etc/nbmrec/nbmrec.conf
|
||
fi
|
||
|
||
RECORD_DURATION=$(( $(date -d "$END_TIME + 1 day" "+%s") - $(date -d "$START_TIME" "+%s") ))
|
||
|
||
usage() {
|
||
echo "Usage: $0 [ -d <duration> ] [ -f <filename> ]"
|
||
echo " -d <duration> : duration of the recording in seconds or 'night' for all night recording"
|
||
echo " -f <filename> : filename of the recording"
|
||
echo " -h : display this help"
|
||
echo " -v : switch to VERBOSE mode"
|
||
}
|
||
|
||
# Get command line options
|
||
while getopts ":hd:f:" opt; do
|
||
case $opt in
|
||
h)
|
||
usage
|
||
;;
|
||
d)
|
||
RECORD_DURATION=$OPTARG
|
||
if [ "$RECORD_DURATION" == "night" ]; then
|
||
RECORD_DURATION=32400
|
||
fi
|
||
;;
|
||
f)
|
||
RECORD_FILEPATH=$OPTARG
|
||
;;
|
||
\?)
|
||
echo "Invalid option: -$OPTARG" >&2
|
||
exit 1
|
||
;;
|
||
:)
|
||
echo "Option -$OPTARG requires an argument." >&2
|
||
exit 1
|
||
;;
|
||
esac
|
||
done
|
||
|
||
|
||
main() {
|
||
# Create output folder
|
||
if $VERBOSE
|
||
then
|
||
echo "Creating record output folder"
|
||
fi
|
||
mkdir -p "$RECORD_DIR/$RECORD_DATE/"
|
||
|
||
# Perform recording
|
||
if $VERBOSE
|
||
then
|
||
echo "Recording $RECORD_FILENAME"
|
||
fi
|
||
|
||
while [[ $(date "+%s") -le $END_TIMESTAMP ]]; do
|
||
rec -b 16 -r 48000 -c 1 -t w64 $RECORD_FILEPATH trim 0 $RECORD_DURATION > /tmp/nbmrec-rec.log
|
||
done
|
||
if $VERBOSE
|
||
then
|
||
echo "Done"
|
||
fi
|
||
}
|
||
|
||
main
|
||
exit 0
|