Add base daemon scripts

.gitignore

@@ -1,3 +1,7 @@
 var/
 /.venv/
-/analyzer/
+/analyzer/
+
+.env
+
+species_list.txt

INSTALL.md

@@ -1,5 +1,13 @@
 # Installation Guide for BirdNET-stream
 
+This guide allow you to install BirdNET-stream step by step on your debian based system.
+
+For a one-liner installation, you can use the following command:
+
+```bash
+curl -sL https://raw.githubusercontent.com/birdnet-stream/birdnet-stream/master/install.sh | bash
+```
+
 ## Requirements
 
 - git
@@ -25,7 +33,8 @@ sudo apt-get install ffmpeg
 ### Clone BirdNET-stream repository
 
 ```bash
-git clone https://forge.chapril.org/UncleSamulus/BirdNET-stream.git
+git clone --recurse-submodules https://forge.chapril.org/UncleSamulus/BirdNET-stream.git
+```
 
 ### Setup python virtualenv and packages
 

README.md

@@ -6,6 +6,22 @@
     <img src="./media/logo.svg" alt="BirdNET-stream logo image IA generated" style="width: 500px">
 </p>
 
+## Introduction
+
+BirdNET-stream record sound on Linux computer and analyze it with the help of the BirdNET algorithm. It extracts most interesting bird songs and calls accessible in a webapp.
+
+## Install
+
+On debian based system, you can install BirdNET-stream with the following command:
+
+```bash
+curl -sL https://raw.githubusercontent.com/birdnet-stream/birdnet-stream/master/install.sh | bash
+```
+
+For finer control, or to adapt to your system, you can follow the instructions in the [INSTALL.md](./INSTALL.md) file.
+
+## Usage
+
 ## Acknoledgements
 
 - [BirdNET](https://birdnet.cornell.edu) on which this project relies

daemon/birdnet_analyzis.sh

@@ -39,35 +39,32 @@ check_prerequisites() {
                     mkdir -p "${CHUNK_FOLDER}/out"
                 fi
             fi
-            fi
         fi
     fi
-    if [[ -z ${SPECIES_LIST} ]]; 
-    then
+    if [[ -z ${SPECIES_LIST} ]]; then
         echo "SPECIES_LIST is not set"
         exit 1
     fi
-    if [[ -f $PYTHON_EXECUTABLE ]];
-    then
+    if [[ -f ${PYTHON_EXECUTABLE} ]]; then
         if $verbose; then
-            echo "Python executable found: $PYTHON_EXECUTABLE"
+            echo "Python executable found: ${PYTHON_EXECUTABLE}"
         fi
     else
-        echo "Python executable not found: $PYTHON_EXECUTABLE"
+        echo "Python executable not found: ${PYTHON_EXECUTABLE}"
         exit 1
     fi
 }
 
 # Get array of audio chunks to be processed
 get_chunk_list() {
-    find "$CHUNK_FOLDER/in" -type f -name '*.wav' -exec basename {} \; ! -size 0 | sort 
+    find "${CHUNK_FOLDER}/in" -type f -name '*.wav' -exec basename {} \; ! -size 0 | sort
 }
 
 # Perform audio chunk analysis on one chunk
 analyze_chunk() {
     chunk_name=$1
-    chunk_path="$CHUNK_FOLDER/in/$chunk_name"
-    output_dir="$CHUNK_FOLDER/out/$chunk_name.d"
+    chunk_path="${CHUNK_FOLDER}/in/$chunk_name"
+    output_dir="${CHUNK_FOLDER}/out/$chunk_name.d"
     mkdir -p "$output_dir"
     date=$(echo $chunk_name | cut -d'_' -f2)
     week=$(./daemon/weekof.sh $date)
@@ -78,8 +75,8 @@ analyze_chunk() {
 analyze_chunks() {
     for chunk_name in $(get_chunk_list); do
         analyze_chunk $chunk_name
-        chunk_path="$CHUNK_FOLDER/in/$chunk_name"
-        mv $chunk_path "$CHUNK_FOLDER/out/$chunk_name"
+        chunk_path="${CHUNK_FOLDER}/in/$chunk_name"
+        mv $chunk_path "${CHUNK_FOLDER}/out/$chunk_name"
     done
 }
 
@@ -87,4 +84,4 @@ analyze_chunks() {
 chunks=$(get_chunk_list)
 
 # Analyze all chunks in working directory
-analyze_chunks $chunks
+analyze_chunks $chunks

daemon/birdnet_clean.sh

@@ -0,0 +1,76 @@
+#! /usr/bin/env bash
+##
+## Clean up var folder from useless files
+##
+
+config_filepath="./config/analyzer.conf"
+
+if [ -f "$config_filepath" ]; then
+    source "$config_filepath"
+else
+    echo "Config file not found: $config_filepath"
+    exit 1
+fi
+
+wav2dir_name() {
+    wav_path=$1
+    dir_name=$(basename "$wav_path" .wav)
+    echo "$dir_name"
+}
+
+# Clean out folder from empty audio
+clean() {
+    rm -rf $(junk)
+}
+
+# Check if string contains string
+mem() {
+    string=$2
+    substring=$1
+    if [[ "$string" == *"$substring"* ]]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+# Get list of junk files
+junk() {
+    # Get all empty files from treatement folder
+    find "${CHUNK_FOLDER}/out" -type f -name '*.wav' -size 0
+    for file in $junk; do
+        folder=$(wav2dir_name "$file")
+        if [[ -d $folder ]]; then
+            junk="$junk $folder"
+        fi
+    done
+    # Get all empty files from record folder
+    junk=$(find "${CHUNK_FOLDER}/in" -type f -name '*.wav' -exec basename {} \; ! -size 0)
+    # Get all empty treatment directories
+    junk="$junk $(find ${CHUNK_FOLDER}/out -type d -empty)"
+    # Get all empty record directories
+    treatement_folder=$(find "${CHUNK_FOLDER}/out" -type d ! -empty)
+    for folder in $treatement_folder; do
+        if ! $(mem $folder $junk) && $(no_bird_in_model_output $folder); then
+            junk="$junk $folder"
+        fi
+    done
+    echo "$junk"
+}
+
+no_bird_in_model_output() {
+    folder=$1
+    output="${folder}/model.out.csv"
+    lines=$(wc -l < "$output")
+    if [[ $lines -eq 1 ]]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+main() {
+    clean
+}
+
+main

daemon/birdnet_recording.sh

@@ -1,7 +1,6 @@
 #! /usr/bin/env bash
 
-record_chunk()
-{
+record_chunk() {
     DEVICE=$1
     DURATION=$2
     ffmpeg -f pulse -i ${DEVICE} -t ${DURATION} -vn -acodec pcm_s16le -ac 1 -ar 48000 file:${CHUNK_FOLDER}/in/birdnet_$(date "+%Y%m%d_%H%M%S").wav
@@ -23,6 +22,16 @@ if [[ -z $AUDIO_DEVICE ]]; then
     exit 1
 fi
 
+check_folder() {
+    if [[ ! -d "${CHUNK_FOLDER}" ]]; then
+        echo "CHUNK_FOLDER does not exist: ${CHUNK_FOLDER}"
+        echo "Creating recording dir"
+        mkdir -p "${CHUNK_FOLDER}/in"
+    fi
+}
+
+check_folder
+
 while true; do
     record_chunk $AUDIO_DEVICE $RECORDING_DURATION
-done
+done

daemon/systemd/birdnet_analysis.service

@@ -0,0 +1,15 @@
+# Launch BirdNET-Analyzer on the previously recorded audio chunks
+
+[Unit]
+Description=BirdNET-stream Analyzis
+
+[Service]
+User=$USER
+Group=$USER
+ExecStart=/home/$USER/BirdNET-Analyzer/deamon/birdnet_analysis.sh
+Restart=always
+RestartSec=3
+Type=simple
+
+[Install]
+WantedBy=multi-user.target

daemon/systemd/birdnet_recording.service

@@ -0,0 +1,15 @@
+# BirdNET recording script launcher service
+
+[Unit]
+Description=BirdNET-stream recording
+
+[Service]
+User=1000
+Group=1000
+ExecStart="bash /home/$USER/BirdNET-stream/daemon/birdnet_recording.sh"
+Restart=always
+RestartSec=3
+Type=simple
+
+[Install]
+WantedBy=multi-user.target

daemon/weekof.sh

@@ -1,5 +1,6 @@
 #! /usr/bin/env bash
 
+# Take a week with format "YYYY-MM-DD" and return the week number.
 function weekof()
 {
     local date=$1

install.sh

@@ -0,0 +1,72 @@
+#! /usr/bin/env bash
+set -X
+set -e
+
+DEBUG=${DEBUG:-0}
+
+# Standard Installation Script for BirdNET-stream for Debian Based Linux distros
+
+REQUIREMENTS="git ffmpeg python3-pip python3-dev"
+REPOSITORY="https://github.com/UncleSamulus/BirdNET-stream.git"
+PYTHON_VENV=".venv/birdnet-stream"
+
+# Update system
+update() {
+    sudo apt-get update
+    sudo apt-get upgrade
+}
+
+debug() {
+    if [ $DEBUG -eq 1 ]; then
+        echo "$1"
+    fi
+}
+
+install_requirements() {
+    if 
+    requirements=$1
+    # Install requirements
+    missing_requirements=""
+    for requirement in $requirements; do
+        if ! dpkg -s $requirement >/dev/null 2>&1; then
+            missing_requirements="$missing_requirements $requirement"
+        fi
+    done
+    if [ -n "$missing_requirements" ]; then
+        debug "Installing missing requirements: $missing_requirements"
+        sudo apt-get install $missing_requirements
+    fi
+}
+
+# Install BirdNET-stream
+install_birdnetstream() {
+    # Clone BirdNET-stream
+    debug "Cloning BirdNET-stream from $REPOSITORY"
+    git clone --recurse-submodules $REPOSITORY
+    # Install BirdNET-stream
+    cd BirdNET-stream
+    debug "Creating python3 virtual environment '$PYTHON_VENV'"
+    python3 -m venv $PYTHON_VENV
+    debug "Activating $PYTHON_VENV"
+    source .venv/birdnet-stream/bin/activate
+    debug "Installing python packages"
+    pip install -U pip
+    pip install -r requirements.txt
+}
+
+# Install systemd services
+install_birdnetstream_services() {
+    debug "Setting up BirdNET stream systemd services"
+    sudo ln -s $PWD/BirdNET-stream/daemon/systemd/birdnet_recording.service /etc/systemd/system/birdnet_recording.service
+    sudo ln -s $PWD/BirdNET-stream/daemon/systemd/birdnet_analyzis.service /etc/systemd/system/birdnet_analyzis.service
+    sudo systemctl daemon-reload
+    sudo systemctl enable --now birdnet_recording.service birdnet_analyzis.service
+}
+
+main() {
+    install_requirements $REQUIREMENTS
+    install_birdnetstream
+    install_birdnetstream_services
+}
+
+main

utils/purge.sh

@@ -1,24 +0,0 @@
-#! /usr/bin/env bash
-
-# Load config file
-config_filepath="./config/analyzer.conf"
-
-if [ -f "$config_filepath" ]; then
-    source "$config_filepath"
-else
-    echo "Config file not found: $config_filepath"
-    exit 1
-fi
-
-# Remove all files from the temporary record directory
-function clean_record_dir()
-{
-    rm -rf "$CHUNK_FOLDER/in/*.wav"
-}
-
-function remove_empty_records()
-{
-    find $CHUNK_FOLDER/in -maxdepth 1 -name '*wav' -type f -size 0 -delete
-}
-
-remove_empty_records