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dots-hyprland/dots/.config/quickshell/ii/scripts/musicRecognition/recognize-music.sh
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2026-02-21 06:55:20 -03:00

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#!/bin/bash
INTERVAL=2
TOTAL_DURATION=30
MIN_VALID_RESULT_LENGTH=300
SOURCE_TYPE="monitor" # monitor | input
TMP_PATH="/tmp/quickshell/media/songrec"
TMP_RAW="$TMP_PATH/recording.raw"
TMP_MP3="$TMP_PATH/recording.mp3"
while getopts "i:t:s:" opt; do
case $opt in
i) INTERVAL=$OPTARG ;;
t) TOTAL_DURATION=$OPTARG ;;
s) SOURCE_TYPE=$OPTARG ;;
*) exit 1 ;;
esac
done
if [ "$SOURCE_TYPE" = "monitor" ]; then
MONITOR_SOURCE=$(pactl get-default-sink).monitor
elif [ "$SOURCE_TYPE" = "input" ]; then
MONITOR_SOURCE=$(pactl info | grep "Default Source:" | awk '{print $3}' || true)
else
echo "Invalid source type"
exit 1
fi
if ! command -v songrec >/dev/null 2>&1 || ! command -v parec >/dev/null 2>&1 || ! command -v ffmpeg >/dev/null 2>&1; then
exit 1
fi
if [ -z "$MONITOR_SOURCE" ] || ! pactl list short sources | grep -q "$MONITOR_SOURCE"; then
exit 1
fi
cleanup() {
rm -f "$TMP_RAW" "$TMP_MP3"
pkill -P $$ parec >/dev/null 2>&1 || true
}
trap cleanup EXIT
mkdir -p "$TMP_PATH"
parec --device="$MONITOR_SOURCE" --format=s16le --rate=44100 --channels=2 > "$TMP_RAW" &
START_TIME=$(date +%s)
while true; do
sleep "$INTERVAL"
CURRENT_TIME=$(date +%s)
ELAPSED=$((CURRENT_TIME - START_TIME))
if (( ELAPSED >= TOTAL_DURATION )); then
exit 0
fi
ffmpeg -f s16le -ar 44100 -ac 2 -i "$TMP_RAW" -acodec libmp3lame -y -hide_banner -loglevel error "$TMP_MP3" 2>/dev/null
RESULT=$(songrec recognize --json "$TMP_MP3" 2>/dev/null || true)
if echo "$RESULT" | grep -q '"matches": \[' && [ ${#RESULT} -gt $MIN_VALID_RESULT_LENGTH ]; then
echo "$RESULT"
exit 0
fi
done