Add ytdlp binary

src/routes/download/+server.ts

@@ -1,51 +1,8 @@
-import { DOWNLOAD_PATH } from '$env/static/private';
-import { redirect } from '@sveltejs/kit';
-import ytdl from 'youtube-dl-exec';
 
 import { json, error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types';
-import { spawn } from 'child_process';
+import { getYouTubeMetadata, streamYouTube } from '$lib/server/ytdlp';
 
-/**
- * Fetch YouTube metadata (title, uploader/artist)
- */
-async function getYouTubeMetadata(link: string) {
-	return await ytdl(link, {
-		dumpSingleJson: true,
-		noCheckCertificates: true,
-		noWarnings: true,
-		preferFreeFormats: true
-	});
-}
-
-/**
- * Streams the YouTube video/audio using youtube-dl-exec
- */
-function streamYouTube(link: string, format: string): ReadableStream<Uint8Array> {
-	return new ReadableStream({
-		start(controller) {
-			const args = [
-				'-o',
-				'-',
-				format === 'mp3' ? '--embed-metadata' : '',
-				'--format',
-				format === 'mp3' ? 'bestaudio' : 'best',
-				'--audio-format',
-				format === 'mp3' ? 'mp3' : '',
-				'--no-playlist'
-			].filter(Boolean);
-
-			const process = spawn('yt-dlp', [...args, link], { stdio: ['ignore', 'pipe', 'ignore'] });
-
-			process.stdout.on('data', (chunk) => controller.enqueue(chunk));
-			process.stdout.on('end', () => controller.close());
-			process.stdout.on('error', (err) => {
-				console.error('Stream error:', err);
-				controller.error(err);
-			});
-		}
-	});
-}
 /**
  * Sanitize filename by removing unsafe characters
  */