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Update spectral_analysis.sh

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Alexandre
2024-05-27 11:34:02 +02:00
committed by GitHub
parent d378acb520
commit 20743eb3d5
1 changed files with 5 additions and 3 deletions
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8
birdnet-pi/rootfs/helpers/spectral_analysis.sh
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@@ -15,6 +15,8 @@ fi
[ -z "$RECORDING_LENGTH" ] && RECORDING_LENGTH=15 [ -z "$RECORDING_LENGTH" ] && RECORDING_LENGTH=15
[ -d "$RECS_DIR"/StreamData ] || mkdir -p "$RECS_DIR"/StreamData [ -d "$RECS_DIR"/StreamData ] || mkdir -p "$RECS_DIR"/StreamData
filename="Spectrum_$(date "+%Y-%m-%d_%H:%M").wav"
if [ ! -z "$RTSP_STREAM" ];then if [ ! -z "$RTSP_STREAM" ];then
# Explode the RSPT steam setting into an array so we can count the number we have # Explode the RSPT steam setting into an array so we can count the number we have
RTSP_STREAMS_EXPLODED_ARRAY=("${RTSP_STREAM//,/ }") RTSP_STREAMS_EXPLODED_ARRAY=("${RTSP_STREAM//,/ }")
@@ -31,7 +33,7 @@ if [ ! -z "$RTSP_STREAM" ];then
# Map id used to map input to output (first stream being 0), this is 0 based in ffmpeg so decrement our counter (which is more human readable) by 1 # Map id used to map input to output (first stream being 0), this is 0 based in ffmpeg so decrement our counter (which is more human readable) by 1
MAP_ID="$((RTSP_STREAMS_STARTED_COUNT-1))" MAP_ID="$((RTSP_STREAMS_STARTED_COUNT-1))"
# Build up the parameters to process the RSTP stream, including mapping for the output # Build up the parameters to process the RSTP stream, including mapping for the output
FFMPEG_PARAMS+="-vn -thread_queue_size 512 -i ${i} -map ${MAP_ID}:a:0 -t ${RECORDING_LENGTH} -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/spectrum.wav " FFMPEG_PARAMS+="-vn -thread_queue_size 512 -i ${i} -map ${MAP_ID}:a:0 -t ${RECORDING_LENGTH} -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/$filename "
# Increment counter # Increment counter
((RTSP_STREAMS_STARTED_COUNT += 1)) ((RTSP_STREAMS_STARTED_COUNT += 1))
done done
@@ -48,10 +50,10 @@ else
else else
if [ -z "${REC_CARD}" ];then if [ -z "${REC_CARD}" ];then
arecord -f S16_LE -c"${CHANNELS}" -r48000 -t wav --max-file-time "${RECORDING_LENGTH}"\ arecord -f S16_LE -c"${CHANNELS}" -r48000 -t wav --max-file-time "${RECORDING_LENGTH}"\
--use-strftime "${RECS_DIR}"/StreamData/spectrum.wav --use-strftime "${RECS_DIR}"/StreamData/"$filename"
else else
arecord -f S16_LE -c"${CHANNELS}" -r48000 -t wav --max-file-time "${RECORDING_LENGTH}"\ arecord -f S16_LE -c"${CHANNELS}" -r48000 -t wav --max-file-time "${RECORDING_LENGTH}"\
-D "${REC_CARD}" --use-strftime "${RECS_DIR}"/StreamData/spectrum.wav -D "${REC_CARD}" --use-strftime "${RECS_DIR}"/StreamData/"$filename"
fi fi
fi fi
fi fi