Merge pull request #243 from mcguirepr89/rtsp

Rtsp

birdnet.conf-defaults

@@ -48,6 +48,13 @@ ICE_PWD=birdnetpi
 
 BIRDNETPI_URL=
 
+#----------------------------  RTSP Stream URL  -------------------------------#
+
+## If RTSP_STREAM is set, the system will use the RTSP stream as its audio
+## source instead of recording its own audio. If this variable is kept empty,
+## BirdNET-Pi will default to recording its own audio.
+
+RTSP_STREAM=
 
 #-------------------  Mobile Notifications via Pushed.co  ---------------------#
 #____________The two variables below enable mobile notifications_______________#

scripts/advanced.php

@@ -64,6 +64,19 @@ if(isset($_GET['submit'])) {
     }
   }
 
+  if(isset($_GET["rtsp_stream"])) {
+    $rtsp_stream = str_replace("\r\n", ",", $_GET["rtsp_stream"]);
+    if(strcmp($rtsp_stream,$config['RTSP_STREAM']) !== 0) {
+      $contents = preg_replace("/RTSP_STREAM=.*/", "RTSP_STREAM=$rtsp_stream", $contents);
+      $contents2 = preg_replace("/RTSP_STREAM=.*/", "RTSP_STREAM=$rtsp_stream", $contents2);
+      $fh = fopen('/etc/birdnet/birdnet.conf', "w");
+      $fh2 = fopen("./scripts/thisrun.txt", "w");
+      fwrite($fh, $contents);
+      fwrite($fh2, $contents2);
+      exec('sudo systemctl restart birdnet_recording.service');
+    }
+  }
+  
   if(isset($_GET["overlap"])) {
     $overlap = $_GET["overlap"];
     if(strcmp($overlap,$config['OVERLAP']) !== 0) {
@@ -201,6 +214,9 @@ if (file_exists('./scripts/thisrun.txt')) {
       <label for="channels">Audio Channels: </label>
       <input name="channels" type="number" min="1" max="32" step="1" value="<?php print($newconfig['CHANNELS']);?>" required/><br>
       <p>Set Channels to the number of channels supported by your sound card. 32 max.</p>
+      <label for="rtsp_stream">RTSP Stream: </label>
+      <textarea name="rtsp_stream" type="url" ><?php print( str_replace(",", "\r\n", $newconfig['RTSP_STREAM']));?></textarea><br>
+      <p>If you place an RTSP stream URL here, BirdNET-Pi will use that as its audio source. If you have multiple streams, each URL should be on its own line.</p>
       <label for="recording_length">Recording Length: </label>
       <input name="recording_length" oninput="document.getElementsByName('extraction_length')[0].setAttribute('max', this.value);" type="number" min="3" max="60" step="1" value="<?php print($newconfig['RECORDING_LENGTH']);?>" required/><br>
       <p>Set Recording Length in seconds between 6 and 60. Multiples of 3 are recommended, as BirdNET analyzes in 3-second chunks.</p> 

scripts/birdnet_recording.sh

@@ -2,16 +2,16 @@
 set -x
 source /etc/birdnet/birdnet.conf
 
-if [ "${TIMESTAMP_FORMAT}" == "12" ];then
-  STAMP="%I:%M:%S%P"
-else
-  STAMP="%H:%M:%S"
-fi
-
 [ -z $RECORDING_LENGTH ] && RECORDING_LENGTH=15
 
+if [ ! -z $RTSP_STREAM ];then
+  while true;do
+    for i in ${RTSP_STREAM//,/ };do
+      ffmpeg -i  ${i} -t 15 -vn -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/$(date "+%F")-birdnet-$(date "+%H:%M:%S").wav </dev/null > /dev/null 2>&1 & sleep 1;
+    done
+  done
+else
   if ! pulseaudio --check;then pulseaudio --start;fi
-
   if pgrep arecord &> /dev/null ;then
     echo "Recording"
   else
@@ -19,12 +19,12 @@ else
       sleep 1
     done
     if [ -z ${REC_CARD} ];then
-
       arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
-      --use-strftime ${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-${STAMP}.wav
+	      --use-strftime ${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-%H:%M:%S.wav
     else
       arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
         -D "${REC_CARD}" --use-strftime \
-     ${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-${STAMP}.wav
+	${RECS_DIR}/%B-%Y/%d-%A/%F-birdnet-%H:%M:%S.wav
+    fi
   fi
 fi

scripts/extract_new_birdsounds.sh

@@ -13,9 +13,9 @@ source /etc/birdnet/birdnet.conf
 
 # Set Variables
 TMPFILE=$(mktemp)
-ANALYZED=${RECS_DIR}/*/*Analyzed
+#ANALYZED=${RECS_DIR}/*/*Analyzed
 #SCAN_DIRS are all directories marked "Analyzed"
-SCAN_DIRS=($(find ${ANALYZED} -type d 2>/dev/null | sort ))
+SCAN_DIRS=($(find $HOME -type d -name '*Analyzed' 2>/dev/null | sort ))
 
 for h in "${SCAN_DIRS[@]}";do
   # The TMPFILE is created from each .csv file BirdNET creates
@@ -30,13 +30,14 @@ for h in "${SCAN_DIRS[@]}";do
   for i in $(find ${h} -name '*csv' 2>/dev/null | sort );do 
     # Iterates over each '.csv' file found in each "Analyzed" directory
     # to create the TMPFILE
-    echo "${i}" | cut -d'/' -f7 >> ${TMPFILE}
+    echo "$(basename ${i})" >> ${TMPFILE}
     sort -k1n -t\; "${i}" | awk '!/Start/{print}' >> ${TMPFILE}
   done
 
   # The extraction reads each line of the TMPFILE and sets the variables ffmpeg
   # will use.
   while read -r line;do
+    echo "Line = $line"
     DATE="$(echo "${line}" \
       | awk -F- '/birdnet/{print $1"-"$2"-"$3}')"
     if [ ! -z ${DATE} ];then

scripts/install_config.sh

@@ -61,6 +61,13 @@ ICE_PWD=birdnetpi
 
 BIRDNETPI_URL=
 
+#----------------------------  RTSP Stream URL  -------------------------------#
+
+## If RTSP_STREAM is set, the system will use the RTSP stream as its audio
+## source instead of recording its own audio. If this variable is kept empty,
+## BirdNET-Pi will default to recording its own audio.
+
+RTSP_STREAM=
 
 #-------------------  Mobile Notifications via Pushed.co  ---------------------#
 #____________The two variables below enable mobile notifications_______________#

scripts/livestream.sh

@@ -4,6 +4,10 @@ source /etc/birdnet/birdnet.conf
 
 if [ -z ${REC_CARD} ];then
   echo "Stream not supported"
+elif [[ ! -z ${RTSP_STREAM} ]];then
+  ffmpeg -loglevel 52 -ac ${CHANNELS} -i ${RTSP_STREAM} -acodec libmp3lame \
+    -b:a 320k -ac ${CHANNELS} -content_type 'audio/mpeg' \
+    -f mp3 icecast://source:${ICE_PWD}@localhost:8000/stream -re
 else
 	ffmpeg -loglevel 52 -ac ${CHANNELS} -f alsa -i ${REC_CARD} -acodec libmp3lame \
     -b:a 320k -ac ${CHANNELS} -content_type 'audio/mpeg' \

scripts/update_birdnet.sh

@@ -18,3 +18,6 @@ fi
 if ! grep PRIVACY_MODE /etc/birdnet/birdnet.conf;then
   sudo -u${USER} echo "PRIVACY_MODE=off" >> /etc/birdnet/birdnet.conf
 fi
+if ! grep RTSP_STREAM /etc/birdnet/birdnet.conf;then
+  sudo -u${USER} echo "RTSP_STREAM=" >> /etc/birdnet/birdnet.conf
+fi