Functions

config.json

@@ -1,22 +0,0 @@
-{
-    "qualityOptions": [
-        "2160",
-        "1140",
-        "1080",
-        "720",
-        "480",
-        "360",
-        "240",
-        "144"
-    ],
-    "formats": {
-        "video": [
-            "mp4",
-            "mkv"
-        ],
-        "audio": [
-            "mp3",
-            "wav"
-        ]
-    }
-}

downloader.js

@@ -0,0 +1,116 @@
+const expressManager = require("./express.js"),
+    path = require("path"),
+    fs = require("fs"),
+    ytdl = require("@distube/ytdl-core"),
+    ffmpeg = require("ffmpeg-static"),
+    cp = require("child_process")
+
+var qualityLabels = [
+    "144",
+    "240",
+    "360",
+    "480",
+    "720",
+    "1080",
+    "1440",
+    "2160"
+]
+
+var audioFormats = [
+    "mp3"
+]
+
+expressManager.app.get("/download", async (req, res) => {
+    var url = req.query.url,
+        quality = req.query.quality,
+        format = req.query.format
+
+    if (ytdl.validateURL(url) && qualityLabels.includes(quality)) {
+        var needsVideo = !audioFormats.includes(format)
+
+        var info = await ytdl.getInfo(url)
+
+        res.setHeader("Content-Disposition", `attachment; filename*="${info.videoDetails.title.replace(/[^a-z0-9 ]/gi, '')}.${format}"`)
+
+        var audioFormat = ytdl.chooseFormat(info.formats, { filter: (format) => {
+            return format.hasAudio && !format.hasVideo
+        } })
+
+        var videoFormat = undefined
+
+        var qualityLabel = quality
+        while (videoFormat == undefined) {
+            for (let i = 0; i < info.formats.length; i++) {
+                const format = info.formats[i];
+                if (format.hasVideo && !format.hasAudio && format.height.toString() == qualityLabel.toString()) {
+                    videoFormat = format
+                    continue
+                }
+            }
+
+            if (qualityLabels.indexOf(qualityLabel) - 1 < 0) {
+                break
+            }
+            qualityLabel = qualityLabels[qualityLabels.indexOf(qualityLabel) - 1]
+        }
+
+        if (!videoFormat) {
+            videoFormat = ytdl.chooseFormat(info.formats, { filter: "videoonly" })
+        }
+
+        var baseArgs = [
+            // Remove ffmpeg's console spamming
+            '-loglevel', 'error',
+            // // Set inputs
+            // '-i', 'pipe:4',
+            // '-i', 'pipe:5',
+            // Map audio & video from streams
+            // '-map', '0:a',
+            // '-map', '1:v',
+            // Keep encoding
+            '-c:v', 'copy',
+            '-movflags','frag_keyframe+empty_moov',        
+            '-f', format,
+            // Define output file
+            '-',
+        ]
+        
+        var inputArgs = [
+            '-i', 'pipe:4'
+        ]
+
+        var mapArgs = [
+            '-map', '0:a'
+        ]
+
+        if (needsVideo) {
+           inputArgs = inputArgs.concat(['-i', 'pipe:5'])
+           mapArgs = mapArgs.concat(['-map', '1:v']) 
+        }
+
+        var args = inputArgs.concat(mapArgs).concat(baseArgs)
+
+        const ffmpegProcess = cp.spawn(ffmpeg, args, {
+            windowsHide: true,
+            stdio: [
+                /* Standard: stdin, stdout, stderr */
+                'pipe', 'pipe', 'pipe',
+                /* Custom: pipe:3, pipe:4, pipe:5 */
+                'pipe', 'pipe', 'pipe',
+            ],
+        });
+        
+        ffmpegProcess.stdio[1].pipe(res)
+
+        var audio = ytdl(url, { format: audioFormat || "audioonly" })
+        audio.pipe(ffmpegProcess.stdio[4])
+        
+        if (needsVideo) {
+            var video = ytdl(url, { format: videoFormat || "videoonly" })
+            video.pipe(ffmpegProcess.stdio[5])
+        }
+
+    } else {
+        res.send("Invalid URL!")
+    }
+})

express.js

@@ -0,0 +1,18 @@
+const express = require("express"),
+path = require("path")
+
+const PORT = process.env.PORT || 8080
+
+var staticPath = path.join(__dirname, "static")
+
+var app = express()
+
+app.use(express.static(staticPath))
+
+app.listen(PORT, () => {
+    console.log("Univerter now listening on PORT: " + PORT)
+})
+
+module.exports = {
+    app
+}

index.js

@@ -1,5 +1,2 @@
-const fs = require("fs"),
-ytdl = require("youtube-dl-exec")
-
-
-ytdl('http://www.youtube.com/watch?v=aqz-KE-bpKQ')
+require("./express.js")
+require("./downloader.js")

package.json

@@ -1,6 +1,6 @@
 {
   "name": "univerter",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "description": "A web youtube converter for converting videos to mp4, mp3, and other supported formats",
   "main": "index.js",
   "scripts": {
@@ -23,10 +23,9 @@
   },
   "homepage": "https://github.com/Violets-puragtory/YoutubeConverter#readme",
   "dependencies": {
+    "@distube/ytdl-core": "^4.13.5",
     "child_process": "^1.0.2",
     "express": "^4.18.2",
-    "ffmpeg-static": "^5.2.0",
-    "youtube-dl-exec": "^3.0.7",
-    "ytdl-core": "^4.11.5"
+    "ffmpeg-static": "^5.2.0"
   }
 }

static/index.html

@@ -20,7 +20,7 @@
     <div class="mainDiv">
         <h1>Univerter<hr></h1>
 
-        <form action="/download" method="get">
+        <form action="/download" method="get" target="_blank">
             <p style="margin-bottom: 1px;">Video URL:</p>
             <input required type="url" id="url" placeholder="Enter URL" name="url">
     
@@ -47,8 +47,6 @@
                         <option value="mkv">.mkv</option>
                         <option disabled>Audio Formats</option>
                         <option value="mp3" selected>.mp3</option>
-                        <option value="wav">.wav</option>
-                        <option value="opus">.ogx</option>
                     </select>
                 </div>
             </div>