BirdNET-stream/.ideas/birdnet_archive.sh

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2022-08-21 06:13:15 +02:00
#! /usr/bin/env bash
# Compress wav to flac and archive them as zip
# Requires: tar, gzip, ffmpeg
set -e
DEBUG=${DEBUG:-0}
debug() {
[[ $DEBUG -eq 1 ]] && echo "$@"
}
error() {
echo 1>&2 "$@"
}
audio_compress() {
local filepath
filepath="$1"
if [[ "$DRY" -eq 1 ]]; then
debug "Would compress $filepath to flac"
return 0
else
debug "Compressing $filepath"
ffmpeg -i "$filepath" -acodec flac -compression_level 10 "${filepath%.wav}.flac"
fi
}
all_audio_compress() {
local dir
dir="$1"
debug "Compressing all .wav audio in $dir"
for filepath in "$dir"/*.wav; do
if [[ "$DRY" -eq 1 ]]; then
debug "Would convert $filepath to flac and remove it"
else
audio_compress "$filepath"
debug "Removing $filepath"
rm "$filepath"
fi
done
}
record_datetime() {
source_wav=$1
source_base=$(basename "$source_wav" ".wav")
record_date=$(echo "$source_base" | cut -d"_" -f2)
record_time=$(echo "$source_base" | cut -d"_" -f3)
YYYY=$(echo "$record_date" | cut -c 1-4)
MM=$(echo "$record_date" | cut -c 5-6)
DD=$(echo "$record_date" | cut -c 7-8)
HH=$(echo "$record_time" | cut -c 1-2)
MI=$(echo "$record_time" | cut -c 3-4)
SS=$(echo "$record_time" | cut -c 5-6)
SSS="000"
date="$YYYY-$MM-$DD $HH:$MI:$SS.$SSS"
echo "$date"
}
source_wav() {
model_output_dir="$1"
wav=$(basename "$model_output_dir" | rev | cut --complement -d"." -f1 | rev)
echo "$wav"
}
birdnet_archive_older_than() {
local days
days="$1"
local date
date=$(date +"%Y-%m-%d")
local date_pivot
date_pivot=$(date -d "$date + $days days" +"%Y-%m-%d")
move_records_to_archive "$date_pivot"
zip_archives
}
move_records_to_archive() {
local date
date="$1"
local archives_dir
archives_dir="$2"
archive_path="${ARCHIVE_DIR}/$date"
debug "Moving records from $CHUNK_FOLDER/out to $archives_path"
for filepath in $(find "$CHUNK_FOLDER/out/" -name '*.wav.d'); do
wav=$(source_wav "$filepath")
dir=$(dirname "$filepath")
record_datetime=$(record_datetime "$wav")
if [[ "$record_datetime" == "$date" ]]; then
debug "Moving $filepath to $archive_path"
if [[ ! -d "$archive_path" ]]; then
mkdir -p "$archive_path"
fi
mv "$filepath" "$archive_path"
debug "Moving model output directory to archive"
mv "$dir" "$archive_path/"
debug "Moving wav to archive"
mv "$CHUNK_FOLDER/out/$wav" "$archive_path/"
fi
done
}
zip_archives() {
debug "Zipping archives in ${ARCHIVE_DIR}"
for archive_path in $(find "${ARCHIVE_DIR}" -type d); do
archive_name="birdnet_$(basename "$archive_path" | tr '-' '').tar.gz"
if [[ "$DRY" -eq 1 ]]; then
debug "Would zip $archive_path to $archive_name"
else
debug "Zipping $archive_path to $archive_name"
tar -czf "$archive_name" -C "$archive_path" .
debug "Removing temporary archive folder in ${ARCHIVE_DIR}"
rm -rf "$archive_path"
fi
done
}
main() {
config_filepath="./config/birdnet.conf"
[ -f "$config_filepath" ] || {
error "Config file not found: $config_filepath"
exit 1
}
source "$config_filepath"
if [[ -z "CHUNK_FOLDER" ]]; then
error "CHUNK_FOLDER not set in config file"
exit 1
fi
if [[ -z "ARCHIVE_FOLDER" ]]; then
error "ARCHIVE_FOLDER not set in config file"
exit 1
fi
debug "Launch birdnet archive script from $CHUNK_FOLDER to $ARCHIVE_FOLDER"
birdnet_archive_older_than $DAYS_TO_KEEP
}