2024-09-08 13:13:51 +00:00
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const sodium = require('libsodium-wrappers');
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const { Client, GatewayIntentBits } = require('discord.js');
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2024-09-08 16:03:53 +00:00
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const { joinVoiceChannel, getVoiceConnection, VoiceConnectionStatus, EndBehaviorType, createAudioPlayer, createAudioResource, AudioPlayerStatus } = require('@discordjs/voice');
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2024-09-08 13:13:51 +00:00
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const fs = require('fs');
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2024-09-08 14:19:10 +00:00
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const { OpusEncoder } = require('@discordjs/opus');
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2024-09-08 16:03:53 +00:00
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const { spawn } = require('child_process'); // execからspawnに変更
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2024-09-08 14:19:10 +00:00
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const OpenAI = require('openai');
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2024-09-08 16:03:53 +00:00
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const axios = require('axios');
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2024-09-08 14:19:10 +00:00
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// OpenAI APIキーの確認
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const apiKey = process.env.OPENAI_API_KEY || 'your-openai-api-key';
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if (!apiKey || apiKey === 'your-openai-api-key') {
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console.error('Error: OpenAI API key is missing or invalid. Set the API key in the environment variables.');
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process.exit(1); // エラーコード1で終了
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}
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2024-09-08 16:03:53 +00:00
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const openai = new OpenAI({ apiKey });
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2024-09-08 13:13:51 +00:00
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sodium.ready.then(() => {
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console.log('Sodium library loaded!');
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});
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const client = new Client({
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intents: [
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GatewayIntentBits.Guilds,
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GatewayIntentBits.GuildVoiceStates,
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GatewayIntentBits.GuildMessages,
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GatewayIntentBits.MessageContent,
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],
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});
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client.once('ready', () => {
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console.log('Bot is ready!');
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});
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client.on('messageCreate', async message => {
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2024-09-08 16:03:53 +00:00
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if (message.content === '!cs_join') {
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2024-09-08 13:13:51 +00:00
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if (message.member.voice.channel) {
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const connection = joinVoiceChannel({
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channelId: message.member.voice.channel.id,
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guildId: message.guild.id,
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adapterCreator: message.guild.voiceAdapterCreator,
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selfDeaf: false,
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selfMute: false,
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});
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connection.on(VoiceConnectionStatus.Ready, () => {
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console.log('Bot has connected to the channel!');
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startRecording(connection, message.member.voice.channel);
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});
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} else {
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message.reply('ボイスチャンネルに接続してください。');
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}
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}
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2024-09-08 16:03:53 +00:00
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if (message.content === '!cs_leave') {
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2024-09-08 13:13:51 +00:00
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const connection = getVoiceConnection(message.guild.id);
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if (connection) {
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2024-09-08 16:03:53 +00:00
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connection.destroy(); // ボイスチャンネルから切断
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// 進行中のFFmpegなどのプロセスを強制終了
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if (ffmpeg) {
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ffmpeg.kill('SIGKILL');
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console.log('FFmpeg process killed on leave');
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}
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2024-09-08 13:13:51 +00:00
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message.reply('ボイスチャンネルを離れました。');
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} else {
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message.reply('ボイスチャンネルに接続していません。');
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}
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}
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});
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function startRecording(connection, voiceChannel) {
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const receiver = connection.receiver;
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const activeStreams = new Map(); // ユーザーごとの音声ストリーム管理
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receiver.speaking.on('start', (userId) => {
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const user = voiceChannel.members.get(userId);
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if (!user) {
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console.error('User is undefined');
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return;
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}
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console.log(`Started receiving audio from user: ${user.id}`);
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if (activeStreams.has(user.id)) {
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return;
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}
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const audioStream = receiver.subscribe(user.id, {
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end: EndBehaviorType.Manual
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});
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const filePath = `./recordings/${user.id}-${Date.now()}.pcm`;
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const writableStream = fs.createWriteStream(filePath);
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activeStreams.set(user.id, { audioStream, writableStream, filePath });
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const opusDecoder = new OpusEncoder(48000, 2); // Opusデコーダーを使用
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audioStream.on('data', (chunk) => {
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try {
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const pcmData = opusDecoder.decode(chunk);
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writableStream.write(pcmData);
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} catch (err) {
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console.error('Error decoding audio chunk:', err);
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}
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});
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audioStream.on('error', (err) => {
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console.error('Error in the audio stream:', err);
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});
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});
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receiver.speaking.on('end', (userId) => {
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const streamData = activeStreams.get(userId);
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if (!streamData) {
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return;
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}
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const { writableStream, filePath } = streamData;
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writableStream.end(() => {
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console.log(`Recording saved to ${filePath}`);
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activeStreams.delete(userId);
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fs.stat(filePath, (err, stats) => {
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if (err) {
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console.error('Error checking file:', err);
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return;
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}
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if (stats.size > 0) {
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2024-09-08 16:03:53 +00:00
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convertToWavAndTranscribe(filePath, connection); // バックグラウンドで変換と文字起こしを実行
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2024-09-08 13:13:51 +00:00
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} else {
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console.log(`File ${filePath} is empty, skipping conversion.`);
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fs.unlinkSync(filePath); // 空のファイルを削除
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}
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});
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});
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});
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}
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2024-09-08 16:03:53 +00:00
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// PCMファイルをWAVファイルに変換し、文字起こしを実行
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function convertToWavAndTranscribe(pcmPath, connection) {
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2024-09-08 13:13:51 +00:00
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const wavPath = pcmPath.replace('.pcm', '.wav');
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2024-09-08 14:19:10 +00:00
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console.log(`Converting ${pcmPath} to ${wavPath} and transcribing in the background`);
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2024-09-08 13:13:51 +00:00
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2024-09-08 16:03:53 +00:00
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const ffmpeg = spawn('ffmpeg', ['-f', 's16le', '-ar', '48000', '-ac', '2', '-i', pcmPath, wavPath]);
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// プロセスがフリーズした場合、タイムアウトして強制終了する
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const ffmpegTimeout = setTimeout(() => {
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ffmpeg.kill('SIGKILL'); // 強制終了
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console.error('FFmpeg process timed out and was killed');
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}, 10000); // 10秒でタイムアウト
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ffmpeg.stdout.on('data', (data) => {
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console.log(`FFmpeg stdout: ${data}`);
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});
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ffmpeg.stderr.on('data', (data) => {
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console.error(`FFmpeg stderr: ${data}`);
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2024-09-08 14:19:10 +00:00
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});
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2024-09-08 13:13:51 +00:00
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2024-09-08 14:19:10 +00:00
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ffmpeg.on('close', (code) => {
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2024-09-08 16:03:53 +00:00
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clearTimeout(ffmpegTimeout); // 正常に終了したらタイムアウトをクリア
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2024-09-08 14:19:10 +00:00
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if (code === 0) {
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console.log(`Successfully converted ${pcmPath} to ${wavPath}`);
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fs.unlinkSync(pcmPath); // PCMファイルを削除
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// Whisper APIを使って文字起こしを実行
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2024-09-08 16:03:53 +00:00
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transcribeAudio(wavPath, connection);
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2024-09-08 14:19:10 +00:00
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} else {
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console.error(`FFmpeg exited with code ${code}, conversion failed.`);
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}
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2024-09-08 13:13:51 +00:00
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});
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2024-09-08 16:03:53 +00:00
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ffmpeg.on('error', (err) => {
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console.error('FFmpeg process error:', err);
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});
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2024-09-08 13:13:51 +00:00
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}
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2024-09-08 14:19:10 +00:00
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// Whisper APIを使って音声ファイルを文字起こしする関数
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2024-09-08 16:03:53 +00:00
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async function transcribeAudio(filePath, connection) {
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2024-09-08 14:19:10 +00:00
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try {
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console.log(`Transcribing file: ${filePath}`);
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const response = await openai.audio.transcriptions.create({
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file: fs.createReadStream(filePath),
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model: 'whisper-1',
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2024-09-08 16:03:53 +00:00
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response_format: 'json', // レスポンス形式をJSONに指定
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language: 'ja' // 言語を日本語に固定
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2024-09-08 14:19:10 +00:00
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});
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2024-09-08 14:39:40 +00:00
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// 文字起こし結果を取得
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2024-09-08 14:19:10 +00:00
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if (response && response.text) {
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2024-09-08 14:39:40 +00:00
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const transcription = response.text;
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console.log('Transcription:', transcription);
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2024-09-08 16:03:53 +00:00
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// ChatGPTに反応すべきか判断させる
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const shouldReact = await shouldReactToTranscription(transcription);
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if (!shouldReact) {
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console.log('ChatGPT decided not to react to this transcription.');
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// 文字起こし完了後、WAVファイルを削除
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fs.unlink(filePath, (err) => {
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if (err) {
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console.error(`Error deleting recording file: ${err}`);
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} else {
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console.log(`Deleted recording file: ${filePath}`);
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}
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});
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return;
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}
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2024-09-08 14:39:40 +00:00
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// ChatGPTを使用して返答を生成
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const reply = await generateChatResponse(transcription);
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console.log('ChatGPT response:', reply);
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2024-09-08 16:03:53 +00:00
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// 合成音声を生成して再生
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const voiceFilePath = await generateVoiceFromText(reply);
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if (voiceFilePath) {
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playVoiceInChannel(connection, voiceFilePath); // 音声を再生
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}
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// 文字起こし完了後、WAVファイルを削除
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fs.unlink(filePath, (err) => {
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if (err) {
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console.error(`Error deleting recording file: ${err}`);
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} else {
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console.log(`Deleted recording file: ${filePath}`);
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}
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});
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2024-09-08 14:39:40 +00:00
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2024-09-08 14:19:10 +00:00
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} else {
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console.error('Error: Transcription response is missing "text" field.');
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}
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} catch (error) {
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console.error('Error during transcription:', error.response ? error.response.data : error.message);
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}
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}
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2024-09-08 16:03:53 +00:00
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// ChatGPTに反応すべきかどうかを判断させる関数
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async function shouldReactToTranscription(transcription) {
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try {
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const systemPrompt = 'あなたは「セカイ」というキャラクターです。次のユーザーの発言に対して反応すべきかどうかを判断してください。反応すべき場合は「はい」、反応しない場合は「いいえ」と答えてください。';
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const response = await openai.chat.completions.create({
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model: 'gpt-4',
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messages: [
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{ role: 'system', content: systemPrompt },
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{ role: 'user', content: transcription }
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]
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});
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if (response && response.choices && response.choices.length > 0) {
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const result = response.choices[0].message.content.trim();
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return result.toLowerCase() === 'はい';
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} else {
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console.error('Error: ChatGPT response is missing choices.');
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return false;
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}
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} catch (error) {
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console.error('Error during shouldReactToTranscription generation:', error.response ? error.response.data : error.message);
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return false;
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}
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}
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2024-09-08 14:39:40 +00:00
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// ChatGPTに応答を生成させる関数
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async function generateChatResponse(transcription) {
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try {
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2024-09-08 16:03:53 +00:00
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const systemPrompt = 'あなたはこれから「セカイ」という名前の幼い少女を演じてユーザーとの会話を楽しんでください。回答メッセージは最大でも200字になるようにしてください。';
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2024-09-08 14:39:40 +00:00
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const chatResponse = await openai.chat.completions.create({
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2024-09-08 16:03:53 +00:00
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model: 'gpt-4',
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2024-09-08 14:39:40 +00:00
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messages: [
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2024-09-08 16:03:53 +00:00
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{ role: 'system', content: systemPrompt },
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2024-09-08 14:39:40 +00:00
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{ role: 'user', content: transcription }
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]
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});
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if (chatResponse && chatResponse.choices && chatResponse.choices.length > 0) {
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2024-09-08 16:03:53 +00:00
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return chatResponse.choices[0].message.content;
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2024-09-08 14:39:40 +00:00
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} else {
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console.error('Error: ChatGPT response is missing choices.');
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return null;
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}
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} catch (error) {
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console.error('Error during ChatGPT response generation:', error.response ? error.response.data : error.message);
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return null;
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}
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}
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2024-09-08 16:03:53 +00:00
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// ChatGPTの返答を合成音声に変換する関数
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async function generateVoiceFromText(text, retryCount = 10) {
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try {
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const response = await axios.post('http://192.168.100.252:5000/generate_voice', {
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text: text,
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narrator: "SEKAI",
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emotion_happy: "80",
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emotion_sad: "20",
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emotion_angry: "10",
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emotion_fun: "50",
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pitch: "1"
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}, {
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responseType: 'arraybuffer' // 音声ファイルをバイナリデータとして取得
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});
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const outputFilePath = `./voices/output-${Date.now()}.wav`;
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await fs.promises.writeFile(outputFilePath, response.data); // 非同期でファイルを書き込み
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console.log(`Voice file saved to ${outputFilePath}`);
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return outputFilePath; // 音声ファイルのパスを返す
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} catch (error) {
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console.error('Error generating voice:', error.message);
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// リトライ処理
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if (retryCount > 0) {
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console.log(`Retrying to generate the voice... (${retryCount} retries left)`);
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await new Promise(resolve => setTimeout(resolve, 1000)); // 1秒待機
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return generateVoiceFromText(text, retryCount - 1); // リトライ
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} else {
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console.error('Max retries reached. Could not generate the voice.');
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return null;
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}
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}
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}
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// ボイスチャンネルで音声を再生する関数
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function playVoiceInChannel(connection, filePath, retryCount = 3) {
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const player = createAudioPlayer();
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const resource = createAudioResource(filePath);
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player.play(resource);
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connection.subscribe(player);
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player.on(AudioPlayerStatus.Idle, () => {
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console.log('Finished playing voice.');
|
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// 再生が終了した後にWAVファイルを削除
|
|
|
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setTimeout(() => {
|
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|
|
fs.unlink(filePath, (err) => {
|
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|
|
if (err) {
|
|
|
|
console.error(`Error deleting file: ${err}`);
|
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|
|
} else {
|
|
|
|
console.log(`Deleted file: ${filePath}`);
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|
}
|
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|
});
|
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|
|
}, 1000); // 1秒の待機後にファイル削除
|
|
|
|
});
|
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|
|
|
|
player.on('error', error => {
|
|
|
|
console.error('Error playing audio:', error.message);
|
|
|
|
|
|
|
|
// リトライ処理
|
|
|
|
if (retryCount > 0) {
|
|
|
|
console.log(`Retrying to play the voice... (${retryCount} retries left)`);
|
|
|
|
setTimeout(() => {
|
|
|
|
playVoiceInChannel(connection, filePath, retryCount - 1);
|
|
|
|
}, 1000); // 1秒待機してリトライ
|
|
|
|
} else {
|
|
|
|
console.error('Max retries reached. Could not play the audio.');
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
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|
2024-09-08 14:19:10 +00:00
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|
|
client.login(process.env.BOT_TOKEN);
|