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226
projects/scripts/record-audio.sh
Normal file → Executable file
226
projects/scripts/record-audio.sh
Normal file → Executable file
@@ -1,93 +1,145 @@
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#!/bin/sh
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#!/usr/bin/env bash
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# Version 1.2
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# shoutout to https://gist.github.com/Cephian/f849e326e3522be9a4386b60b85f2f23 for the original script,
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# https://github.com/xythh/ added the ankiConnect functionality
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# toggle record computer audio (run once to start, run again to stop)
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# dependencies: ffmpeg, pulseaudio, curl
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# Toggle desktop audio recording and attach the result to the newest Anki note
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# (as tagged by Yomichan). Run once to start recording, run again to stop.
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# Dependencies: jq, curl, ffmpeg/ffprobe, pulseaudio (parec+pactl), bc, notify-send
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# where recording gets saved, gets deleted after being imported to anki
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DIRECTORY="$HOME/.cache/"
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FORMAT="mp3" # ogg or mp3
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# cut file since it glitches a bit at the end sometimes
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CUT_DURATION="0.1"
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#port used by ankiconnect
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ankiConnectPort="8765"
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# gets the newest created card, so make sure to create the card first with yomichan
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newestNoteId=$(curl -s localhost:$ankiConnectPort -X POST -d '{"action": "findNotes", "version": 6, "params": { "query": "is:new"}}' | jq '.result[-1]')
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#Audio field name
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audioFieldName="SentenceAudio"
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set -euo pipefail
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#if there is no newest note, you either have a complete empty anki or ankiconnect isn't running
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if [ "$newestNoteId" = "" ]; then
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notify-send "anki connect not found"
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exit 1
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fi
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ANKI_CONNECT_PORT="${ANKI_CONNECT_PORT:-8765}"
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AUDIO_FIELD_NAME="${AUDIO_FIELD_NAME:-SentenceAudio}"
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FORMAT="${FORMAT:-mp3}" # mp3 or ogg
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CUT_DURATION="${CUT_DURATION:-0.1}"
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CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/record-audio"
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RECORD_TIMEOUT="${RECORD_TIMEOUT:-60}"
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ANKI_URL="http://localhost:${ANKI_CONNECT_PORT}"
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if pgrep -f "parec"; then
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pkill -f "parec"
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else
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time=$(date +%s)
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name="$DIRECTORY/$time"
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wav_file="$name.wav"
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out_file="$name.$FORMAT"
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if ! [ -d "$DIRECTORY" ]; then
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mkdir "$DIRECTORY"
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fi
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notify-send -t 1000 "Audio recording started"
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#timeout 1m arecord -t wav -f cd "$wav_file"
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# just grabs last running source... may not always work if your pulseaudio setup is complicated
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if ! timeout 1m parec -d"$(pactl list sinks | grep -B1 'State: RUNNING' | sed -nE 's/Sink #(.*)/\1/p' | tail -n 1)" --file-format=wav "$wav_file"; then
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notify-send "Error recording " "most likely no audio playing"
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rm "$wav_file"
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exit 1
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fi
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input_duration=$(ffprobe -v error -select_streams a:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 "$wav_file")
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output_duration=$(echo "$input_duration"-"$CUT_DURATION" | bc)
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# encode file and delete OG
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if [ $FORMAT = "ogg" ]; then
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ffmpeg -i "$wav_file" -vn -codec:a libvorbis -b:a 64k -t "$output_duration" "$out_file"
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elif [ $FORMAT = "mp3" ]; then
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ffmpeg -i "$wav_file" -vn -codec:a libmp3lame -qscale:a 1 -t "$output_duration" "$out_file"
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else
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notify-send "Record Error" "Unknown format $FORMAT"
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fi
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rm "$wav_file"
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# Update newest note with recorded audio
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curl -s localhost:$ankiConnectPort -X POST -d '{
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"action": "updateNoteFields",
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"version": 6,
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"params": {
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"note": {
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"id": '"$newestNoteId"',
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"fields": {
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"'$audioFieldName'": ""
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},
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"audio": [{
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"path": "'"$out_file"'",
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"filename": "'"$time"'.'$FORMAT'",
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"fields": [
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"'$audioFieldName'"
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]
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}]
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require_cmd() {
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command -v "$1" >/dev/null 2>&1 || {
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echo "Missing dependency: $1" >&2
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exit 1
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}
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}
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}'
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# opens changed note, comment if you don't want it.
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curl -s localhost:$ankiConnectPort -X POST -d '{
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"action": "guiBrowse",
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"version": 6,
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"params": {
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"query": "nid:'"$newestNoteId"'"
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}
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}'
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notify-send -t 1000 "Audio recording copied"
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rm "$out_file"
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fi
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notify() {
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# Best-effort notification; keep script running if notify-send is missing.
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if command -v notify-send >/dev/null 2>&1; then
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notify-send -t 1000 "$@"
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fi
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}
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get_active_sink() {
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pactl list sinks short 2>/dev/null | awk '$6=="RUNNING"{print $1; exit 0}'
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}
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get_newest_note_id() {
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local response
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response=$(curl -sS "$ANKI_URL" -X POST -H 'Content-Type: application/json' \
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-d '{"action":"findNotes","version":6,"params":{"query":"is:new"}}')
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jq -r '.result[-1] // empty' <<<"$response"
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}
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update_anki_note() {
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local note_id="$1" audio_path="$2" filename="$3"
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local payload
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payload=$(jq -n --argjson noteId "$note_id" --arg field "$AUDIO_FIELD_NAME" \
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--arg path "$audio_path" --arg filename "$filename" '
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{action:"updateNoteFields",version:6,
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params:{note:{id:$noteId,fields:{($field):""},
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audio:[{path:$path,filename:$filename,fields:[$field]}]}}}')
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curl -sS "$ANKI_URL" -X POST -H 'Content-Type: application/json' -d "$payload" >/dev/null
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}
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open_note_in_browser() {
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local note_id="$1"
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local payload
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payload=$(jq -n --argjson noteId "$note_id" '
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{action:"guiBrowse",version:6,params:{query:("nid:" + ($noteId|tostring))}}')
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curl -sS "$ANKI_URL" -X POST -H 'Content-Type: application/json' -d "$payload" >/dev/null
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}
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record_audio() {
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local note_id="$1"
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local sink
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sink=$(get_active_sink) || true
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if [[ -z "$sink" ]]; then
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notify "Record Error" "No running PulseAudio sink found"
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exit 1
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fi
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mkdir -p "$CACHE_DIR"
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local timestamp wav_file out_file
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timestamp=$(date +%s)
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wav_file="$CACHE_DIR/$timestamp.wav"
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out_file="$CACHE_DIR/$timestamp.$FORMAT"
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notify "Audio recording started"
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if ! timeout "$RECORD_TIMEOUT" parec -d"$sink" --file-format=wav "$wav_file"; then
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notify "Record Error" "No audio captured (timeout or sink issue)"
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rm -f "$wav_file"
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exit 1
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fi
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local input_duration output_duration
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input_duration=$(ffprobe -v error -select_streams a:0 \
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-show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 "$wav_file")
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output_duration=$(echo "$input_duration - $CUT_DURATION" | bc -l)
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# Guard against negative durations
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if [[ $(echo "$output_duration < 0" | bc -l) -eq 1 ]]; then
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output_duration="0"
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fi
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case "$FORMAT" in
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ogg)
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ffmpeg -nostdin -y -i "$wav_file" -vn -codec:a libvorbis -b:a 64k \
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-t "$output_duration" "$out_file"
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;;
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mp3)
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ffmpeg -nostdin -y -i "$wav_file" -vn -codec:a libmp3lame -qscale:a 1 \
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-t "$output_duration" "$out_file"
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;;
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*)
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notify "Record Error" "Unknown format: $FORMAT"
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rm -f "$wav_file"
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exit 1
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;;
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esac
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rm -f "$wav_file"
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update_anki_note "$note_id" "$out_file" "$timestamp.$FORMAT"
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open_note_in_browser "$note_id"
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notify "Audio recording copied"
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rm -f "$out_file"
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}
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main() {
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for cmd in curl jq ffmpeg ffprobe parec pactl bc; do
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require_cmd "$cmd"
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done
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if pgrep -x parec >/dev/null 2>&1; then
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pkill -x parec
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notify "Audio recording stopped"
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exit 0
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fi
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local newest_note
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newest_note=$(get_newest_note_id)
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if [[ -z "$newest_note" ]]; then
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notify "Anki Connect" "No new notes found or AnkiConnect unavailable"
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exit 1
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fi
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record_audio "$newest_note"
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}
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main "$@"
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