docs: Add CONTRIBUTING, update INSTALL \ndaemon: update streaming service

CHANGELOG.md

@@ -0,0 +1,13 @@
+# Changelog
+
+## v0.0.1-rc
+
+- Integrate BirdNET-Analyzer as submodule
+- Add birdnet_recording service
+- Add birdnet_analyzis service
+- Create symfony webapp
+- Extracts BirdNET bird contacts into SQL database
+- Add birdnet_stream icecast audio streaming and live spectrogram service https://birdnet/spectro
+- Add /today/species and /today/{date}/species/{id} endpoints
+- Add records deletion button
+- Add systemd status page /status

CONTRIBUTING.md

@@ -0,0 +1,28 @@
+# Contributing
+
+This project welcomes contributions and suggestions. 
+
+You can contribute to this project by contributing to:
+
+* [Issues](https://github.com/UncleSamulus/BirdNET-stream/issues)
+* [Discussions](https://github.com/UncleSamulus/BirdNET-stream/discussions)
+* [Localization](#Localization)
+
+If you intend to contribute code changes, learn how to [set up your development environment](#Set-up-your-development-environment).
+<!-- 
+When contributing template changes, [validate](#Validating-changes) your changes by generating projects with updated templates and running appropriate tests, then file a PR to trigger CI validation. -->
+
+## Set up your development environment
+
+You should follow [./INSTALL.md](./INSTALL.md) to install a working BirdNET-stream system on your system.
+
+## Localization
+
+BirdNET-stream webapp is written in PHP Symfony. The i18n files are stored in the `[./www/translations](./www/translations)` directory.
+
+Any help is welcome to translate the webapp into your language.
+
+
+## Filing a pull request
+
+All contributions are expected to be reviewed and merged via pull requests into the main branch.

INSTALL.md

@@ -140,11 +140,71 @@ sudo npm install -g yarn
 yarn build
 ```
 
+## Setup audio streaming with icecast and ffmpeg for live spectrogram
+
+Install icecast:
+
+```bash
+sudo apt-get install icecast2
+```
+
+Modify icecast password:
+
+```xml
+[...]
+<authentication>
+    <!-- Sources log in with username 'source' -->
+    <source-password>secret</source-password>
+    <!-- Relays log in with username 'relay' -->
+	<relay-password>secret</relay-password>
+    <!-- Admin logs in with the username given below -->
+    <admin-user>birdnet</admin-user>
+    <admin-password>secret</admin-password>
+</authentication>
+[...]
+```
+
+Launch and enable icecast:
+
+```bash
+sudo systemctl enable --now icecast2
+```
+
+Adapt `config/analyzer.conf` to this configuration:
+
+```conf
+ICECAST_USER=source
+ICECAST_PASSWORD=secret # change this to the password you set above
+ICECAST_PORT=8000
+ICECAST_HOST=localhost
+ICECAST_MOUNT=stream
+```
+
+Launch and enable audio streamer daemon:
+
+```bash
+sudo systemctl enable --now birdnet_streaming.service
+```
+
+Add a reverse proxy to nginx to allow https
+
+```nginx
+server {
+    [...]
+
+    location /stream {
+        proxy_pass http://localhost:8000/birdnet;
+    }
+
+    [...]
+}
+```
+
 ## Setup https certificates with dehydrated (only for public instances)
 
 ```bash
 sudo apt-get install dehydrated
-```
+````
 
 Edit `/etc/dehydrated/domains.txt` and add your domain name.
 
@@ -166,9 +226,11 @@ server {
 ```
 
 Create acme-challenge directory:
+
 ```bash
 sudo mkdir -p /var/www/html/.well-known/acme-challenge
 ```
+
 Adapt `/etc/dehydrated/config`, by adding this folder to the `WELLKNOWN` path:
 
 ```bash
@@ -182,11 +244,13 @@ dehydrated --register --accept-terms
 ```
 
 Generate certificates:
+
 ```bash
 dehydrated -c
 ```
 
 Add dehydrated cron
+
 ```bash
 sudo crontab -e
 ```

TODO

@@ -1,4 +1,2 @@
-- Fix install of venv
 - Fix clean script
-- Change install script for php 8.1
 - Fix service manager

daemon/birdnet_analyzis.sh

@@ -1,6 +1,13 @@
 #! /usr/bin/env bash
 set -e
 
+DEBUG=${DEBUG:-1}
+debug() {
+    if [ $DEBUG -eq 1 ]; then
+        echo "$1"
+    fi
+}
+
 config_filepath="./config/analyzer.conf"
 
 if [ -f "$config_filepath" ]; then
@@ -69,6 +76,7 @@ analyze_chunk() {
     date=$(echo $chunk_name | cut -d'_' -f2)
     week=$(./daemon/weekof.sh $date)
     $PYTHON_EXECUTABLE ./analyzer/analyze.py --i $chunk_path --o "$output_dir/model.out.csv" --lat $LATITUDE --lon $LONGITUDE --week $week --min_conf $CONFIDENCE --threads 4 --rtype csv
+    debug "Model output written to $output_dir/model.out.csv"
 }
 
 # Perform audio chunk analysis on all recorded chunks

daemon/birdnet_streaming.sh

@@ -0,0 +1,51 @@
+#! /usr/bin/env bash
+
+DEBUG=${DEBUG:-1}
+
+export PULSE_RUNTIME_PATH="/run/user/$(id -u)/pulse/"
+
+debug() {
+    if [ $DEBUG -eq 1 ]; then
+        echo "$1"
+    fi
+}
+
+stream() {
+    DEVICE=$1
+    debug "Launching audio stream from $DEVICE at icecast://source:secret@$ICECAST_HOST:$ICECAST_PORT/$ICECAST_MOUNT"
+    ffmpeg  -nostdin -hide_banner -loglevel error -nostats \
+        -f pulse -i $DEVICE -vn -acodec libmp3lame -ac 1 -ar 48000 -content_type 'audio/mpeg' \
+        -f mp3 "icecast://source:${ICECAST_PASSWORD}@${ICECAST_HOST}:${ICECAST_PORT}/${ICECAST_MOUNT}" -listen 1
+}
+
+config_filepath="./config/analyzer.conf"
+
+if [ -f "$config_filepath" ]; then
+    source "$config_filepath"
+else
+    echo "Config file not found: $config_filepath"
+    exit 1
+fi
+
+if [[ -z $AUDIO_DEVICE ]]; then
+    echo "AUDIO_DEVICE is not set"
+    exit 1
+fi
+
+if [[ -z $ICECAST_HOST ]]; then
+    echo "ICECAST_HOST is not set"
+    exit 1
+fi
+if [[ -z $ICECAST_PORT ]]; then
+    echo "ICECAST_PORT is not set"
+    exit 1
+fi
+if [[ -z $ICECAST_MOUNT ]]; then
+    echo "ICECAST_MOUNT is not set"
+    exit 1
+fi
+if [[ -z $ICECAST_PASSWORD ]]; then
+    echo "ICECAST_PASSWORD is not set"
+    exit 1
+fi
+stream $AUDIO_DEVICE

daemon/systemd/templates/birdnet_streaming.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=BirdNET-stream audio streaming service
+
+[Service]
+Type=simple
+User=<USER>
+Group=<GROUP>
+WorkingDirectory=<DIR>
+ExecStart=bash ./daemon/birdnet_streaming.sh
+
+[Install]
+WantedBy=multi-user.target