adding RECORDING_LENGTH and EXTRACTION_LENGTH

scripts/birdnet_analysis.sh

@@ -42,13 +42,16 @@ run_analysis() {
   WEEK=$(date +"%U")
   cd ${HOME}/BirdNET-Lite || exit 1
   for i in "${files[@]}";do
+
+    set -x
+    FILE_LENGTH="$(ffmpeg -i ${1}/${i} 2>&1 \
+      | awk -F. '/Duration/ {print $1}' \
+      | cut -d':' -f3-4)"
+    [ -z ${RECORDING_LENGTH} ] && RECORDING_LENGTH=9
+    [ ${RECORDING_LENGTH} == "60" ] && RECORDING_LENGTH=01:00
+    [ "${FILE_LENGTH}" == "00:${RECORDING_LENGTH}" ] || continue
+
     if [ -f ${1}/${i} ] && [ ! -f ${CUSTOM_LIST} ];then
-      FILE_LENGTH="$(ffmpeg -i ${1}/${i} 2>&1 \
-        | awk -F. '/Duration/ {print $1}' \
-	| cut -d':' -f3-4)"
-      set -x
-      [ ${RECORDING_LENGTH} == 60 ] && RECORDING_LENGTH=01:00
-      [ "${FILE_LENGTH}" == "${RECORDING_LENGTH}" ] || continue
       python3 analyze.py \
         --i "${1}/${i}" \
         --o "${1}/${i}.csv" \

scripts/birdnet_recording.sh

@@ -8,6 +8,8 @@ else
   STAMP="%H:%M:%S"
 fi
 
+[ -z RECORDING_LENGTH ] || RECORDING_LENGTH=9
+
 if pgrep arecord &> /dev/null ;then
   echo "Recording"
 else

scripts/extract_new_birdsounds.sh

@@ -130,6 +130,7 @@ for h in "${SCAN_DIRS[@]}";do
 
     ### TESTING longer extraction context
     set -x
+    [ -z ${EXTRACTION_LENGTH} ] || EXTRACTION_LENGTH=6
     SPACER=$(echo "(${EXTRACTION_LENGTH} - 3 )/2" |bc -l) 
     START=$(echo "${START} - ${SPACER}"|bc -l)
     END=$(echo "${END} + ${SPACER}"|bc -l)

scripts/install_config.sh

@@ -169,8 +169,8 @@ get_CHANNELS() {
     | uniq)"
   script -c "arecord -D ${SOUND_CARD} --dump-hw-params" -a "${SOUND_PARAMS}" &> /dev/null
   CHANNELS=$(awk '/CHANN/ { print $2 }' "${SOUND_PARAMS}" | sed 's/\r$//')
-  [ -z REC_CARD ] || REC_CARD=default
-  [ -z CHANNELS ] || CHANNELS=2
+  [ -z REC_CARD ] && REC_CARD=default
+  [ -z CHANNELS ] && CHANNELS=2
   echo "REC_CARD variable set to ${REC_CARD}"  
   echo "Number of channels available: ${CHANNELS}"
 }