From cf8493aef3a4f7ae576d3dc34dcefdf569d31b0e Mon Sep 17 00:00:00 2001
From: Louis Croisez <louis.croisez@gmail.com>
Date: Mon, 29 May 2023 16:26:07 +0200
Subject: [PATCH] Added config variable for livestream reconnection delay, for
 freqshift purpose

---
 scripts/advanced.php               | 13 +++++++++++++
 scripts/install_config.sh          |  3 +++
 scripts/spectrogram.php            | 10 +++++++++-
 scripts/update_birdnet_snippets.sh |  3 +++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/scripts/advanced.php b/scripts/advanced.php
index b91247b..cf5b608 100644
--- a/scripts/advanced.php
+++ b/scripts/advanced.php
@@ -168,6 +168,14 @@ if(isset($_GET['submit'])) {
     }
   }
 
+  if(isset($_GET["freqshift_reconnect_delay"]) && is_numeric($_GET['freqshift_reconnect_delay'])) {
+    $freqshift_reconnect_delay = $_GET["freqshift_reconnect_delay"];
+    if(strcmp($freqshift_hi,$config['FREQSHIFT_RECONNECT_DELAY']) !== 0) {
+      $contents = preg_replace("/FREQSHIFT_RECONNECT_DELAY=.*/", "FREQSHIFT_RECONNECT_DELAY=$freqshift_reconnect_delay", $contents);
+      $contents2 = preg_replace("/FREQSHIFT_RECONNECT_DELAY=.*/", "FREQSHIFT_RECONNECT_DELAY=$freqshift_reconnect_delay", $contents2);
+    }
+  }
+
   if(isset($_GET["full_disk"])) {
     $full_disk = $_GET["full_disk"];
     if(strcmp($full_disk,$config['FULL_DISK']) !== 0) {
@@ -530,6 +538,7 @@ foreach($formats as $format){
       <table class="settingstable"><tr><td>
       <h2>BirdNET-Pi Password</h2>
       <p>This password will protect your "Tools" page and "Live Audio" stream.</p>
+      <p>Do NOT use special characters. Accepted characters: [A-Z0-9a-z]</p>
       <label for="caddy_pwd">Password: </label>
       <input style="width:40ch" name="caddy_pwd" id="caddy_pwd" type="password" pattern="[A-Za-z0-9]+" title="Password must be alphanumeric (A-Z, 0-9)" value="<?php print($newconfig['CADDY_PWD']);?>" /><span id="showpassword" onmouseover="document.getElementById('caddy_pwd').type='text';" onmouseout="document.getElementById('caddy_pwd').type='password';">show</span><br>
       </td></tr></table><br>
@@ -614,6 +623,10 @@ foreach($formats as $format){
         <label for="freqshift_lo">Target [Hz]: </label>
         <input name="freqshift_lo" type="number" min="0" max="20000" step="1" value="<?php print($newconfig['FREQSHIFT_LO']);?>" required/>
         </p>
+        <p style="margin-left: 40px">
+        <label for="freqshift_reconnect_delay">Livestream reconnection delay: </label>
+        <input name="freqshift_reconnect_delay" type="number" min="1000" max="10000" step="100" value="<?php print($newconfig['FREQSHIFT_RECONNECT_DELAY']);?>" required/>
+        </p>
 
         <p style="margin-left: 40px">
         Using sox:
diff --git a/scripts/install_config.sh b/scripts/install_config.sh
index 023c135..c2364de 100755
--- a/scripts/install_config.sh
+++ b/scripts/install_config.sh
@@ -169,6 +169,9 @@ FREQSHIFT_HI=6000
 ## FREQSHIFT_LO
 FREQSHIFT_LO=3000
 
+## FREQSHIFT_RECONNECT_DELAY
+FREQSHIFT_RECONNECT_DELAY=4000
+
 ## If the tool is sox, you have to define the pitch shift (amount of 100ths of semintone)
 ## FREQSHIFT_PITCH
 FREQSHIFT_PITCH=-1500
diff --git a/scripts/spectrogram.php b/scripts/spectrogram.php
index 96b118e..7f34c4b 100644
--- a/scripts/spectrogram.php
+++ b/scripts/spectrogram.php
@@ -8,6 +8,12 @@ if (file_exists('./scripts/thisrun.txt')) {
 	$config = parse_ini_file('./scripts/firstrun.ini');
 }
 
+if(!empty($config['FREQSHIFT_RECONNECT_DELAY']) && is_numeric($config['FREQSHIFT_RECONNECT_DELAY'])){
+    $FREQSHIFT_RECONNECT_DELAY = ($config['FREQSHIFT_RECONNECT_DELAY']);
+}else{
+    $FREQSHIFT_RECONNECT_DELAY = 4000;
+}
+
 if(isset($_GET['ajax_csv'])) {
 $RECS_DIR = $config["RECS_DIR"];
 
@@ -323,6 +329,8 @@ function toggleFreqshift(state) {
     console.log("freqshift deactivated")
   }
 
+  freqShiftReconnectDelay = <?php echo $FREQSHIFT_RECONNECT_DELAY; ?>;
+
   var livestream_freqshift_spinner = document.getElementById('livestream_freqshift_spinner');
   livestream_freqshift_spinner.style.display = "inline"; 
   // Create the XMLHttpRequest object.
@@ -349,7 +357,7 @@ function toggleFreqshift(state) {
 
           livestream_freqshift_spinner.style.display = "none"; 
         },
-        2000
+        freqShiftReconnectDelay
         )
       }
     }
diff --git a/scripts/update_birdnet_snippets.sh b/scripts/update_birdnet_snippets.sh
index dcc58b2..f3cfff2 100755
--- a/scripts/update_birdnet_snippets.sh
+++ b/scripts/update_birdnet_snippets.sh
@@ -151,6 +151,9 @@ fi
 if ! grep ACTIVATE_FREQSHIFT_IN_LIVESTREAM /etc/birdnet/birdnet.conf &>/dev/null;then
   sudo -u$USER echo "ACTIVATE_FREQSHIFT_IN_LIVESTREAM=\"false\"" >> /etc/birdnet/birdnet.conf
 fi
+if ! grep FREQSHIFT_RECONNECT_DELAY /etc/birdnet/birdnet.conf &>/dev/null;then
+  sudo -u$USER echo "FREQSHIFT_RECONNECT_DELAY=4000" >> /etc/birdnet/birdnet.conf
+fi
 if ! grep HEARTBEAT_URL /etc/birdnet/birdnet.conf &>/dev/null;then
   sudo -u$USER echo "HEARTBEAT_URL=" >> /etc/birdnet/birdnet.conf
 fi