Add yt-dlp download

Author: iffyloop

.gitignore

@@ -14,5 +14,7 @@ node_modules
 !*-extra-files/ThirdPartyApps/ffmpeg/bin
 *-extra-files/ThirdPartyApps/ffmpeg/bin/**
 !*-extra-files/ThirdPartyApps/ffmpeg/bin/.gitkeep
+*-extra-files/ThirdPartyApps/yt-dlp/**
+!*-extra-files/ThirdPartyApps/yt-dlp/.gitkeep
 *-extra-files/Models/**
 !*-extra-files/Models/.gitkeep

README.md

@@ -24,7 +24,7 @@ npm i -D
 
 ### Linux (Not officially supported)
 
-Install `ffmpeg` globally using your preferred package manager, and install `demucs` globally with `pip`.
+Install `ffmpeg` globally using your preferred package manager, and install `demucs` and `yt-dlp` globally with `pip`.
 If you get "Couldn't find appropriate backend" errors, try installing `libsox-dev`.
 
 ## Run in Development Mode

download-third-party-apps.js

@@ -125,15 +125,21 @@ async function main() {
   ]
 
   if (process.platform === 'win32') {
-    downloads.push([
-      'https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip',
-      path.join(
-        `${winOrMac}-extra-files`,
-        'ThirdPartyApps',
-        'ffmpeg',
-        'ffmpeg-release-essentials.zip'
-      ),
-    ])
+    downloads.push(
+      [
+        'https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip',
+        path.join(
+          `${winOrMac}-extra-files`,
+          'ThirdPartyApps',
+          'ffmpeg',
+          'ffmpeg-release-essentials.zip'
+        ),
+      ],
+      [
+        'https://github.com/yt-dlp/yt-dlp/releases/download/2025.09.26/yt-dlp_win.zip',
+        path.join(`${winOrMac}-extra-files`, 'ThirdPartyApps', 'yt-dlp', 'yt-dlp_win.zip'),
+      ]
+    )
   } else if (process.platform === 'darwin') {
     downloads.push(
       [
@@ -143,6 +149,10 @@ async function main() {
       [
         'https://evermeet.cx/ffmpeg/getrelease/ffprobe/zip',
         path.join(`${winOrMac}-extra-files`, 'ThirdPartyApps', 'ffmpeg', 'ffprobe-release.zip'),
+      ],
+      [
+        'https://github.com/yt-dlp/yt-dlp/releases/download/2025.09.26/yt-dlp_macos.zip',
+        path.join(`${winOrMac}-extra-files`, 'ThirdPartyApps', 'yt-dlp', 'yt-dlp_macos.zip'),
       ]
     )
   }

mac-extra-files/ThirdPartyApps/yt-dlp/.gitkeep

@@ -1,41 +1,6 @@
-// This file is partially copied from: https://github.com/LuanRT/BgUtils/blob/main/examples/node/index.ts
+import { Innertube } from 'youtubei.js'
 
-import fs from 'fs/promises'
-import path from 'path'
-import os from 'os'
-import { Innertube, ProtoUtils, Utils, UniversalCache, Log } from 'youtubei.js'
-import { BG, USER_AGENT } from 'bgutils-js'
-import { JSDOM } from 'jsdom'
-
-let cacheDir = null
 let searchInnertube = null
-let downloadInnertube = null
-let downloadPoToken = null
-
-const createYtCacheDir = async () => {
-  if (cacheDir) {
-    return
-  }
-
-  cacheDir = await fs.mkdtemp(path.join(os.tmpdir(), 'StemRoller-cache-'))
-}
-
-export const deleteYtCacheDir = async () => {
-  if (!cacheDir) {
-    return
-  }
-
-  try {
-    await fs.rm(cacheDir, {
-      recursive: true,
-      maxRetries: 5,
-      retryDelay: 1000,
-    })
-    console.log(`Deleted cache folder "${cacheDir}"`)
-  } catch (error) {
-    console.trace(error)
-  }
-}
 
 const setupSearchInnertube = async () => {
   if (searchInnertube) {
@@ -45,46 +10,6 @@ const setupSearchInnertube = async () => {
   searchInnertube = await Innertube.create({ retrieve_player: false })
 }
 
-const setupDownloadInnertube = async () => {
-  if (downloadInnertube) {
-    return
-  }
-
-  await setupSearchInnertube()
-
-  if (process.env.NODE_ENV === 'dev') {
-    Log.setLevel(Log.Level.INFO)
-  } else {
-    Log.setLevel(Log.Level.WARNING)
-  }
-
-  const visitorData = ProtoUtils.encodeVisitorData(
-    Utils.generateRandomString(11),
-    Math.floor(Date.now() / 1000)
-  )
-  downloadPoToken = await getPo(visitorData)
-
-  await createYtCacheDir()
-
-  downloadInnertube = await Innertube.create({
-    po_token: downloadPoToken,
-    visitor_data: visitorData,
-    cache: new UniversalCache(true, cacheDir),
-    generate_session_locally: true,
-    player_id: '0004de42', // https://github.com/LuanRT/YouTube.js/issues/1043#issuecomment-3328154175
-  })
-}
-
-export const fetchYtStream = async (videoId) => {
-  await setupDownloadInnertube()
-
-  const ytStream = await downloadInnertube.download(videoId, {
-    type: 'audio',
-  })
-
-  return ytStream
-}
-
 export const searchYt = async (query) => {
   await setupSearchInnertube()
 
@@ -121,54 +46,8 @@ export const searchYt = async (query) => {
   return plainResults
 }
 
-const getPo = async (identifier) => {
-  const dom = new JSDOM(
-    '<!DOCTYPE html><html lang="en"><head><title></title></head><body></body></html>',
-    {
-      url: 'https://www.youtube.com/',
-      referrer: 'https://www.youtube.com/',
-      userAgent: USER_AGENT,
-    }
-  )
-  Object.assign(globalThis, {
-    window: dom.window,
-    document: dom.window.document,
-    location: dom.window.location,
-    origin: dom.window.origin,
-  })
-  if (!Reflect.has(globalThis, 'navigator')) {
-    Object.defineProperty(globalThis, 'navigator', { value: dom.window.navigator })
-  }
-
-  const requestKey = 'O43z0dpjhgX20SCx4KAo'
-
-  const bgConfig = {
-    fetch,
-    globalObj: globalThis,
-    requestKey,
-    identifier,
-  }
-
-  const bgChallenge = await BG.Challenge.create(bgConfig)
-
-  if (!bgChallenge) {
-    throw new Error('Could not get challenge')
-  }
-
-  const interpreterJavascript =
-    bgChallenge.interpreterJavascript.privateDoNotAccessOrElseSafeScriptWrappedValue
-
-  if (interpreterJavascript) {
-    new Function(interpreterJavascript)()
-  } else {
-    throw new Error('Could not load VM')
-  }
-
-  const poTokenResult = await BG.PoToken.generate({
-    program: bgChallenge.program,
-    globalName: bgChallenge.globalName,
-    bgConfig,
-  })
-
-  return poTokenResult.poToken
+export const fetchYtStream = async (videoId) => {
+  //
+  // TODO
+  //
 }