32 lines
885 B
Bash
32 lines
885 B
Bash
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#!/bin/bash
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set -euo pipefail
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# Configuration
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AUDIO_DEVICE="${AUDIO_DEVICE:-hw:1}" # ALSA device (run 'arecord -l' to list)
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SEGMENT_SECONDS="${SEGMENT_SECONDS:-7200}" # 2 hours per file
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RECORDINGS_DIR="${RECORDINGS_DIR:-$HOME/recordings}"
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SOURCE_NAME="${SOURCE_NAME:-stationary}" # Prefix for filenames
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mkdir -p "${RECORDINGS_DIR}"
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echo "Starting recording..."
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echo " Device: ${AUDIO_DEVICE}"
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echo " Segment: ${SEGMENT_SECONDS}s"
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echo " Output: ${RECORDINGS_DIR}/${SOURCE_NAME}-*.opus"
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while true; do
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ffmpeg -f alsa -ac 1 -i "${AUDIO_DEVICE}" \
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-c:a libopus \
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-b:a 32k \
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-f segment \
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-segment_time "${SEGMENT_SECONDS}" \
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-strftime 1 \
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-reset_timestamps 1 \
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"${RECORDINGS_DIR}/${SOURCE_NAME}-%Y-%m-%d_%H-%M-%S.opus" \
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2>&1 | while read line; do echo "[ffmpeg] $line"; done
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echo "Recording stopped, restarting in 5s..."
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sleep 5
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done
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