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Here's an HTML implementation of your YouTube video downloader code with syntax highlighting and a user interface to make it more usable:

```html

<!DOCTYPE html>

<head>

<title>YouTube Video Downloader</title>

<style>

body {

font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

max-width: 900px;

margin: 0 auto;

padding: 20px;

background-color: #f5f5f5;

color: #333;

}

h1 {

color: #ff0000;

text-align: center;

}

.container {

background-color: white;

border-radius: 8px;

padding: 20px;

box-shadow: 0 2px 10px rgba(0,0,0,0.1);

}

.input-group {

margin-bottom: 20px;

}

label {

display: block;

margin-bottom: 5px;

font-weight: bold;

}

input, select {

width: 100%;

padding: 10px;

border: 1px solid #ddd;

border-radius: 4px;

font-size: 16px;

}

button {

background-color: #ff0000;

color: white;

border: none;

padding: 12px 20px;

border-radius: 4px;

cursor: pointer;

font-size: 16px;

width: 100%;

transition: background-color 0.3s;

}

button:hover {

background-color: #cc0000;

}

.progress-container {

margin-top: 20px;

display: none;

}

.progress-bar {

height: 20px;

background-color: #e0e0e0;

border-radius: 10px;

margin-bottom: 10px;

overflow: hidden;

}

.progress {

height: 100%;

background-color: #4CAF50;

width: 0%;

transition: width 0.3s;

}

.progress-info {

display: flex;

justify-content: space-between;

}

pre {

background-color: #282c34;

color: #abb2bf;

padding: 15px;

border-radius: 5px;

overflow-x: auto;

margin-top: 20px;

}

.comment { color: #5c6370; font-style: italic; }

.keyword { color: #c678dd; }

.string { color: #98c379; }

.function { color: #61afef; }

.variable { color: #e06c75; }

.number { color: #d19a66; }

.operator { color: #56b6c2; }

</style>

</head>

<body>

<h1>YouTube Video Downloader</h1>

<label for="videoUrl">YouTube Video URL:</label>

</div>

<label for="quality">Video Quality:</label>

<option value="highest">Highest Quality</option>

<option value="lowest">Lowest Quality</option>

</select>

</div>

<label for="outputFormat">Output Format:</label>

<option value="mp3">MP3 (Audio Only)</option>

</select>

</div>

<button id="downloadBtn">Download Video</button>

<h3>Download Progress</h3>

Audio:

0% (0MB of 0MB)

</div>

</div>

Video:

0% (0MB of 0MB)

</div>

</div>

Time Elapsed:

0 Minutes

</div>

<h2>Underlying Code</h2>

<pre><code>/**

* Reencode audio & video without creating files first

* Requirements: ffmpeg, ether via a manual installation or via ffmpeg-static

*/

// Buildin with nodejs

const fs = require('fs');

const cp = require('child_process');

const readline = require('readline');

// External modules

const ytdl = require('../');

const ffmpeg = require('ffmpeg-static');

// Global constants

const ref = 'https://www.youtube.com/watch?v=aR-KAldshAE';

const tracker = {

start: Date.now(),

audio: { downloaded: 0, total: Infinity },

video: { downloaded: 0, total: Infinity },

};

// Get audio and video stream going

const audio = ytdl(ref, { filter: 'audioonly', quality: 'highestaudio' })

.on('progress', (_, downloaded, total) => {

tracker.audio = { downloaded, total };

});

const video = ytdl(ref, { filter: 'videoonly', quality: 'highestvideo' })

.on('progress', (_, downloaded, total) => {

tracker.video = { downloaded, total };

});

// Get the progress bar going

const progressbar = setInterval(() => {

readline.cursorTo(process.stdout, 0);

const toMB = i => (i / 1024 / 1024).toFixed(2);

process.stdout.write(`Audio | ${(tracker.audio.downloaded / tracker.audio.total * 100).toFixed(2)}% processed `);

process.stdout.write(`(${toMB(tracker.audio.downloaded)}MB of ${toMB(tracker.audio.total)}MB).${' '.repeat(10)}\n`);

process.stdout.write(`Video | ${(tracker.video.downloaded / tracker.video.total * 100).toFixed(2)}% processed `);

process.stdout.write(`(${toMB(tracker.video.downloaded)}MB of ${toMB(tracker.video.total)}MB).${' '.repeat(10)}\n`);

process.stdout.write(`running for: ${((Date.now() - tracker.start) / 1000 / 60).toFixed(2)} Minutes.`);

readline.moveCursor(process.stdout, 0, -2);

}, 1000);

// Start the ffmpeg child process

const ffmpegProcess = cp.spawn(ffmpeg, [

// Remove ffmpeg's console spamming

'-loglevel', '0', '-hide_banner',

// 3 second audio offset

'-itsoffset', '3.0', '-i', 'pipe:3',

'-i', 'pipe:4',

// Rescale the video

'-vf', 'scale=320:240',

// Choose some fancy codes

'-c:v', 'libx265', '-x265-params', 'log-level=0',

'-c:a', 'flac',

// Define output container

'-f', 'matroska', 'pipe:5',

], {

windowsHide: true,

stdio: [

/* Standard: stdin, stdout, stderr */

'inherit', 'inherit', 'inherit',

/* Custom: pipe:3, pipe:4, pipe:5 */

'pipe', 'pipe', 'pipe',

});

ffmpegProcess.on('close', () => {

process.stdout.write('\n\n\n');

clearInterval(progressbar);

console.log('done');

});

// Link streams

// FFmpeg creates the transformer streams and we just have to insert / read data

audio.pipe(ffmpegProcess.stdio[3]);

video.pipe(ffmpegProcess.stdio[4]);

ffmpegProcess.stdio[5].pipe(fs.createWriteStream('./out.mkv'));</code></pre>

</div>

document.getElementById('downloadBtn').addEventListener('click', function() {

const videoUrl = document.getElementById('videoUrl').value;

const quality = document.getElementById('quality').value;

const outputFormat = document.getElementById('outputFormat').value;

if (!videoUrl) {

alert('Please enter a YouTube URL');

return;

}

// Show progress container

document.getElementById('progressContainer').style.display = 'block';

// Simulate download progress (in a real app, this would connect to your Node.js backend)

let audioProgress = 0;

let videoProgress = 0;

const startTime = Date.now();

const simulateDownload = setInterval(() => {

// Random progress increment

if (audioProgress < 100) audioProgress += Math.random() * 5;

if (videoProgress < 100) videoProgress += Math.random() * 3;

// Cap at 100%

if (audioProgress > 100) audioProgress = 100;

if (videoProgress > 100) videoProgress = 100;

// Update UI

document.getElementById('audioProgress').textContent =

`${audioProgress.toFixed(2)}% (${(audioProgress * 5).toFixed(2)}MB of 5MB)`;

document.getElementById('videoProgress').textContent =

`${videoProgress.toFixed(2)}% (${(videoProgress * 20).toFixed(2)}MB of 20MB)`;

document.getElementById('audioBar').style.width = `${audioProgress}%`;

document.getElementById('videoBar').style.width = `${videoProgress}%`;

// Update time

const minutes = ((Date.now() - startTime) / 1000 / 60).toFixed(2);

document.getElementById('timeElapsed').textContent = `${minutes} Minutes`;

// Check if download is complete

if (audioProgress === 100 && videoProgress === 100) {

clearInterval(simulateDownload);

setTimeout(() => {

alert('Download complete!');

}, 500);

}

}, 500);

});

</script>

</body>

</html>

```

This HTML page includes:

1. **User Interface**:

- URL input field with a default YouTube URL

- Quality selection dropdown

- Output format selection

- Download button

- Progress bars for audio and video download

2. **Code Display**:

- Your original Node.js code with syntax highlighting

- Properly formatted and easy to read

3. **Interactive Simulation**:

- When you click "Download", it simulates the download progress

- Shows progress bars, MB downloaded, and time elapsed

- In a real implementation, this would connect to your Node.js backend

Note that this is a frontend simulation. To actually make this work, you would need to:

1. Set up a Node.js server with your code

2. Create an API endpoint that handles the download

3. Connect the frontend to the backend using fetch or WebSockets for real progress updates

Would you like me to provide the Node.js server implementation as well?

Shopify Js

Sunday, 11 May 2025

Need Node Js video downloader

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