first commit

audio/index.js

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+/**
+ * plugins/audio/index.js
+ *
+ * Downloads video via yt-dlp, converts to mp3 via ffmpeg and sends to chat.
+ * All processing (download + conversion + send + cleanup) is here.
+ */
+
+import { spawn }       from "child_process";
+import { execFile }    from "child_process";
+import { promisify }   from "util";
+import fs              from "fs";
+import path            from "path";
+import os              from "os";
+import { enqueue }     from "../../download/queue.js";
+import { emptyFolder } from "../../utils/file.js";
+import { CMD_PREFIX }  from "../../config.js";
+import { createPluginI18n } from "../../utils/pluginI18n.js";
+
+const { t } = createPluginI18n(import.meta.url);
+
+const logStream = fs.createWriteStream("logs/audio-error.log", { flags: "a" });
+const execFileAsync = promisify(execFile);
+
+const DOWNLOADS_DIR = path.resolve("downloads");
+const YT_DLP = os.platform() === "win32" ? ".\\bin\\yt-dlp.exe" : "./bin/yt-dlp";
+const FFMPEG = os.platform() === "win32" ? ".\\bin\\ffmpeg.exe"  : "./bin/ffmpeg";
+
+const ARGS_BASE = [
+  "--extractor-args",     "youtube:player_client=android",
+  "--print",              "after_move:filepath",
+  "--cookies",            "cookies.txt",
+  "--add-header",         "User-Agent:Mozilla/5.0",
+  "--add-header",         "Referer:https://www.youtube.com/",
+  "--retries",            "4",
+  "--fragment-retries",   "5",
+  "--socket-timeout",     "15",
+  "--sleep-interval",     "1",
+  "--max-sleep-interval", "4",
+  "--no-playlist",
+  "-f", "bv+ba/best",
+];
+
+function downloadRaw(url, id) {
+  return new Promise((resolve, reject) => {
+    fs.mkdirSync(DOWNLOADS_DIR, { recursive: true });
+
+    const output = path.join(DOWNLOADS_DIR, `${id}.%(ext)s`);
+    const proc   = spawn(YT_DLP, [...ARGS_BASE, "--output", output, url]);
+    let stdout   = "";
+
+    proc.on("error", err => reject(new Error(
+      err.code === "EACCES" ? t("error.noPermission")
+      : err.code === "ENOENT" ? t("error.notFound")
+      : `${t("error.startError")} ${err.message}`
+    )));
+
+    proc.stdout.on("data", d => { stdout += d.toString(); });
+    proc.stderr.on("data", d => logStream.write(d));
+
+    proc.on("close", code => {
+      if (code !== 0) return reject(new Error(t("error.downloadFailed")));
+
+      const filePath = stdout.trim().split("\n").filter(Boolean).at(-1);
+      if (!filePath || !fs.existsSync(filePath))
+        return reject(new Error(t("error.fileNotFound")));
+
+      resolve(filePath);
+    });
+  });
+}
+
+async function convertToMp3(videoPath, id) {
+  const mp3Path = path.join(DOWNLOADS_DIR, `${id}.mp3`);
+
+  await execFileAsync(FFMPEG, [
+    "-i", videoPath,
+    "-vn",          // no video
+    "-ar", "44100", // sample rate
+    "-ac", "2",     // stereo
+    "-b:a", "192k", // bitrate
+    "-y",           // overwrite if exists
+    mp3Path,
+  ]);
+
+  fs.unlinkSync(videoPath); // remove intermediate video
+  return mp3Path;
+}
+
+export default async function ({ msg, api }) {
+  if (!msg.is(CMD_PREFIX + "audio")) return;
+
+  const url = msg.args[1];
+
+  if (!url) {
+    await msg.reply(`${t("noUrl")} \`${CMD_PREFIX}audio https://youtube.com/...\``);
+    return;
+  }
+
+  await msg.reply(t("downloading"));
+
+  const id = `audio-${Date.now()}`;
+
+  enqueue(
+    async () => {
+      const videoPath = await downloadRaw(url, id);
+      const mp3Path   = await convertToMp3(videoPath, id);
+      await api.sendAudio(mp3Path);
+      fs.unlinkSync(mp3Path);
+      emptyFolder(DOWNLOADS_DIR);
+      api.log.info(`${CMD_PREFIX}audio completed → ${url}`);
+    },
+    async () => {
+      await msg.reply(t("error.generic"));
+    }
+  );
+}

audio/locale/en.json

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+{
+  "noUrl": "Please provide a URL.",
+  "downloading": "Downloading audio...",
+  "error": {
+    "noPermission": "yt-dlp: permission denied",
+    "notFound": "yt-dlp: not found",
+    "startError": "Failed to start download:",
+    "downloadFailed": "Download failed. Check the URL.",
+    "fileNotFound": "Downloaded file not found.",
+    "generic": "Failed to download audio. Try again later."
+  }
+}

audio/locale/es.json

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+{
+  "noUrl": "Por favor, proporciona una URL.",
+  "downloading": "Descargando audio...",
+  "error": {
+    "noPermission": "yt-dlp: permiso denegado",
+    "notFound": "yt-dlp: no encontrado",
+    "startError": "Error al iniciar descarga:",
+    "downloadFailed": "Descarga fallida. Verifica la URL.",
+    "fileNotFound": "Archivo descargado no encontrado.",
+    "generic": "Error al descargar audio. Intenta de nuevo más tarde."
+  }
+}

audio/locale/pt.json

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+{
+  "noUrl": "Por favor, forneça uma URL.",
+  "downloading": "Baixando áudio...",
+  "error": {
+    "noPermission": "yt-dlp: permissão negada",
+    "notFound": "yt-dlp: não encontrado",
+    "startError": "Falha ao iniciar download:",
+    "downloadFailed": "Download falhou. Verifique a URL.",
+    "fileNotFound": "Arquivo baixado não encontrado.",
+    "generic": "Falha ao baixar áudio. Tente novamente mais tarde."
+  }
+}

audio/manyplug.json

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+{
+    "name": "audio",
+    "version": "1.0.0",
+    "category": "media",
+    "service": false,
+    "dependencies": {}
+}