added spectrogram view for currently analyzing file

Needs to be refreshed, but works

scripts/birdnet_analysis.sh

@@ -5,6 +5,7 @@ source /etc/birdnet/birdnet.conf
 # Document this run's birdnet.conf settings
 # Make a temporary file to compare the current birdnet.conf with
 # the birdnet.conf as it was the last time this script was called
+my_dir=$(realpath $(dirname $0))
 make_thisrun() {
   sleep .4
   awk '!/#/ && !/^$/ {print}' /etc/birdnet/birdnet.conf \
@@ -76,6 +77,7 @@ run_analysis() {
 
   cd ${HOME}/BirdNET-Lite || exit 1
   for i in "${files[@]}";do
+    echo "${1}/${i}" > ./analyzing_now.txt
     [ -z ${RECORDING_LENGTH} ] && RECORDING_LENGTH=12
     [ ${RECORDING_LENGTH} == "60" ] && RECORDING_LENGTH=01:00
     FILE_LENGTH="$(ffmpeg -i ${1}/${i} 2>&1 | awk -F. '/Duration/ {print $1}' | cut -d':' -f3-4)"

scripts/install_services.sh

@@ -337,6 +337,17 @@ install_tmux() {
   cp $(dirname ${my_dir})/templates/tmux.conf /etc/tmux.conf
 }
 
+install_sox() {
+  if which sox &> /dev/null;then
+    echo "Sox is installed"
+  else
+    echo "Installing sox"
+    apt -qq update
+    apt install -y sox
+    echo "Sox installed"
+  fi
+}
+
 install_php() {
   if ! which pip &> /dev/null || ! which php-fpm7.3;then
     echo "Installing PHP and PHP-FPM"
@@ -481,6 +492,7 @@ install_selected_services() {
     install_avahi_aliases
     install_gotty_logs
     install_tmux
+    install_sox
     install_php
     install_edit_birdnet_conf
   fi

scripts/spectrogram.php

@@ -0,0 +1,4 @@
+<?php
+shell_exec("/home/pi/BirdSongs/Extracted/spectrogram.sh");
+header('Location: http://birdnetsystem.local/spectrogram.png');
+?>

scripts/spectrogram.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# Make sox spectrogram
+source /etc/birdnet/birdnet.conf
+analyzing_now="$(cat /home/pi/BirdNET-Lite/analyzing_now.txt)"
+spectrogram_png=${EXTRACTED}/spectrogram.png
+sudo -u pi sox "${analyzing_now}" -n spectrogram -o "${spectrogram_png}"

templates/index.html

@@ -417,6 +417,15 @@ footer {
 							</a>
 						</td>
 					</tr>
+					<tr class="file">
+						<td></td>
+						<td>
+							<form action="/spectrogram.php">
+                                                    	    <input type="submit" value="Spectrogram View">
+							</form>
+
+						</td>
+					</tr>
 					</tbody>
 				</table>
 			</div>