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AvianVisitors/scripts/birdnet_recording.sh
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2022-05-05 10:37:17 -04:00

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#!/usr/bin/env bash
set -x
source /etc/birdnet/birdnet.conf
[ -z $RECORDING_LENGTH ] && RECORDING_LENGTH=15
if [ ! -z $RTSP_STREAM ];then
while true;do
for i in ${RTSP_STREAM//,/ };do
ffmpeg -i ${i} -t 15 -vn -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/$(date "+%F")-birdnet-$(date "+%H:%M:%S").wav
done
done
else
if ! pulseaudio --check;then pulseaudio --start;fi
if pgrep arecord &> /dev/null ;then
echo "Recording"
else
until grep 5050 <(netstat -tulpn 2>&1);do
sleep 1
done
if [ -z ${REC_CARD} ];then
arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
--use-strftime ${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-%H:%M:%S.wav
else
arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
-D "${REC_CARD}" --use-strftime \
${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-%H:%M:%S.wav
fi
fi
fi