frederik
73 lines
3.1 KiB
Bash
Executable File
73 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Performs the recording from the specified RTSP stream or soundcard
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source /etc/birdnet/birdnet.conf
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# Read the logging level from the configuration option
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LOGGING_LEVEL="${LogLevel_BirdnetRecordingService}"
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# If empty for some reason default to log level of error
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[ -z $LOGGING_LEVEL ] && LOGGING_LEVEL='error'
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# Additionally if we're at debug or info level then allow printing of script commands and variables
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if [ "$LOGGING_LEVEL" == "info" ] || [ "$LOGGING_LEVEL" == "debug" ];then
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# Enable printing of commands/variables etc to terminal for debugging
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set -x
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fi
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[ -z $RECORDING_LENGTH ] && RECORDING_LENGTH=15
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[ -d $RECS_DIR/StreamData ] || mkdir -p $RECS_DIR/StreamData
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if [ ! -z $RTSP_STREAM ];then
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# Explode the RSPT steam setting into an array so we can count the number we have
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RTSP_STREAMS_EXPLODED_ARRAY=(${RTSP_STREAM//,/ })
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FFMPEG_VERSION=$(ffmpeg -version | head -n 1 | cut -d ' ' -f 3 | cut -d '.' -f 1)
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while true;do
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# Original loop
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# for i in ${RTSP_STREAM//,/ };do
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# ffmpeg -nostdin -i ${i} -t ${RECORDING_LENGTH} -vn -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/$(date "+%F")-birdnet-$(date "+%H:%M:%S").wav
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# done
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# Initially start the count off at 1 - our very first stream
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RTSP_STREAMS_STARTED_COUNT=1
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FFMPEG_PARAMS=""
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# Loop over the streams
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for i in "${RTSP_STREAMS_EXPLODED_ARRAY[@]}"
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do
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if [[ "$i" =~ ^rtsps?:// ]]; then
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[ $FFMPEG_VERSION -lt 5 ] && PARAM=-stimeout || PARAM=-timeout
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TIMEOUT_PARAM="$PARAM 10000000"
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elif [[ "$i" =~ ^[a-z]+:// ]]; then
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TIMEOUT_PARAM="-rw_timeout 10000000"
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else
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TIMEOUT_PARAM=""
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fi
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# Map id used to map input to output (first stream being 0), this is 0 based in ffmpeg so decrement our counter (which is more human readable) by 1
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MAP_ID=$((RTSP_STREAMS_STARTED_COUNT-1))
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# Build up the parameters to process the RSTP stream, including mapping for the output
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FFMPEG_PARAMS+="-vn -thread_queue_size 512 $TIMEOUT_PARAM -i ${i} -map ${MAP_ID}:a:0 -t ${RECORDING_LENGTH} -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/$(date "+%F")-birdnet-RTSP_${RTSP_STREAMS_STARTED_COUNT}-$(date "+%H:%M:%S").wav "
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# Increment counter
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((RTSP_STREAMS_STARTED_COUNT += 1))
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done
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# Make sure were passing something valid to ffmpeg, ffmpeg will run interactive and control our loop by waiting ${RECORDING_LENGTH} between loops because it will stop once that much has been recorded
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if [ -n "$FFMPEG_PARAMS" ];then
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ffmpeg -hide_banner -loglevel $LOGGING_LEVEL -nostdin $FFMPEG_PARAMS
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fi
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done
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else
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if ! pulseaudio --check;then pulseaudio --start;fi
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if pgrep arecord &> /dev/null ;then
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echo "Recording"
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else
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if [ -z ${REC_CARD} ];then
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arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
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--use-strftime ${RECS_DIR}/StreamData/%F-birdnet-%H:%M:%S.wav
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else
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arecord -f S16_LE -c${CHANNELS} -r48000 -t wav --max-file-time ${RECORDING_LENGTH}\
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-D "${REC_CARD}" --use-strftime ${RECS_DIR}/StreamData/%F-birdnet-%H:%M:%S.wav
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fi
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fi
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fi
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