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v9-Works.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>MP4 to IMG v2h.3.1b</title>
<style>
body { font-family: Arial, sans-serif; background-color: #f0f0f0; margin: 20px; padding: 0; }
input[type="file"],
input[type="number"],
select,
label,
button {
margin-bottom: 10px;
display: block;
}
button {
padding: 10px;
background-color: #007bff;
color: #fff;
border: none;
cursor: pointer;
transition: background-color 0.3s;
}
button:hover {
background-color: #0056b3;
}
#progressBar {
margin-top: 20px;
width: 100%;
background-color: #ddd;
border-radius: 5px;
overflow: hidden;
}
#progress {
background-color: #007bff;
height: 20px;
}
#progressText {
padding: 5px;
font-size: 14px;
color: #333;
}
#etaText {
padding: 5px;
font-size: 14px;
color: #333;
}
#packCounter {
margin-top: 10px;
font-size: 14px;
color: #333;
}
#downloadButtons button {
margin-right: 10px;
background-color: #007bff;
color: #fff;
border: none;
padding: 5px 10px;
cursor: pointer;
transition: background-color 0.3s;
}
#downloadButtons button:hover {
background-color: #0056b3;
}
#previewContainer img {
max-width: 200px;
max-height: 200px;
}
</style>
<h1>MP4 to IMG v2h.3.1b</h1>
<input type="file" id="videoInput" accept="video/*">
<label for="frequency">
Screenshot Frequency (seconds):<br>
<span style="font-size: 12px;">Enter the time interval between each screenshot</span>
</label>
<input type="number" id="frequency" min="1" step="1" value="2">
<label for="format">
Output Format:<br>
<span style="font-size: 12px;">Choose the output format for screenshots</span>
</label>
<select id="format">
<option value="jpeg">JPEG</option>
<option value="png">PNG</option>
</select>
<label for="playAudio">
Mute Audio:<br>
<span style="font-size: 12px;">Toggle to mute audio from the video</span>
<input type="checkbox" id="playAudio" checked>
</label>
<label for="previewCheckbox">
Show Preview:<br>
<span style="font-size: 12px;">Toggle to display a preview of each screenshot</span>
<input type="checkbox" id="previewCheckbox" checked>
</label>
<label for="fastMode">
Fast Mode:<br>
<span style="font-size: 12px;">Enable fast mode to capture screenshots at a faster rate</span>
<input type="checkbox" id="fastMode" checked>
</label>
<label for="reverseMode">
Reverse Mode:<br>
<span style="font-size: 12px;">Enable reverse mode to download screenshots in reverse order</span>
<input type="checkbox" id="reverseMode" checked>
</label>
<button onclick="startScreenshot()">Convert</button>
<div id="screenshotContainer"></div>
<div id="previewContainer"></div>
<div id="progressBar">
<div id="progress" style="width: 0%;"></div>
<div id="progressText">0%</div>
<div id="etaText">ETA: --</div>
</div>
<div id="packCounter"></div>
<div id="downloadButtons"></div>
<p>This tool converts MP4 videos into a series of images based on a specified time interval. Simply select a video file, set your desired screenshot frequency, choose an output format, and click 'Convert'. The tool will generate and download a ZIP file containing all the screenshots.</p>
<script>
let screenshots = [];
let packNumber = 1;
let startTime;
let interval;
function startScreenshot() {
clearInterval(interval);
screenshots = [];
packNumber = 1;
startTime = new Date();
const videoInput = document.getElementById('videoInput');
const frequency = parseInt(document.getElementById('frequency').value);
const format = document.getElementById('format').value;
const playAudio = !document.getElementById('playAudio').checked;
const previewEnabled = document.getElementById('previewCheckbox').checked;
const fastMode = document.getElementById('fastMode').checked;
let playbackSpeed = 1;
if (fastMode) {
playbackSpeed = 16; // set maximum playback speed to 16x
}
if (!videoInput.files || !videoInput.files[0]) {
alert('Please select a video file.');
return;
}
const videoFile = videoInput.files[0];
const videoURL = URL.createObjectURL(videoFile);
const video = document.createElement('video');
video.src = videoURL;
video.crossOrigin = 'anonymous';
video.muted = !playAudio;
video.playbackRate = playbackSpeed;
video.addEventListener('loadedmetadata', () => {
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
const videoWidth = video.videoWidth;
const videoHeight = video.videoHeight;
canvas.width = videoWidth / 2; // Reduce canvas size for performance
canvas.height = videoHeight / 2;
const duration = video.duration;
let currentTime = 0;
interval = setInterval(() => {
context.drawImage(video, 0, 0, canvas.width, canvas.height);
const image = canvas.toDataURL(`image/${format}`);
if (reverseMode) {
screenshots.unshift(image);
} else {
screenshots.push(image);
}
if (previewEnabled) {
showLatestScreenshotPreview(image);
}
const progress = (currentTime / duration) * 100;
updateProgress(progress);
if (currentTime >= duration) {
clearInterval(interval);
updatePackCounter();
createDownloadButtons();
} else {
currentTime += frequency;
video.currentTime = currentTime;
}
}, frequency * 1000 / playbackSpeed); // Convert seconds to milliseconds
});
video.load();
video.play();
}
function updateProgress(progress) {
const progressBar = document.getElementById('progress');
const progressText = document.getElementById('progressText');
const etaText = document.getElementById('etaText');
progressBar.style.width = `${progress}%`;
progressText.textContent = `${Math.round(progress)}%`;
if (progress === 100) {
etaText.textContent = 'Ended';
} else {
const elapsedTime = (new Date() - startTime) / 1000; // in seconds
const remainingTime = (elapsedTime / progress) * (100 - progress);
etaText.textContent = remainingTime > 0 ? `ETA: ${formatTime(remainingTime)}` : 'Ended';
}
}
function formatTime(seconds) {
const minutes = Math.floor(seconds / 60);
const remainingSeconds = Math.floor(seconds % 60);
return `${minutes}m ${remainingSeconds}s`;
}
function updatePackCounter() {
const packCounter = document.getElementById('packCounter');
const totalScreenshots = screenshots.length;
packCounter.textContent = `${totalScreenshots} files`;
}
function createDownloadButtons() {
const container = document.getElementById('downloadButtons');
container.innerHTML = '';
const downloadAllButton = document.createElement('button');
downloadAllButton.textContent = 'Download';
downloadAllButton.onclick = function() {
downloadImages(0, screenshots.length);
};
container.appendChild(downloadAllButton);
}
function downloadImages(start, end) {
const zip = new JSZip();
for (let i = start; i < end; i++) {
const imgData = screenshots[i].split(';base64,')[1];
zip.file(`screenshot_${i + 1}.png`, imgData, { base64: true });
}
zip.generateAsync({ type: "blob" })
.then(function (content) {
saveAs(content, `screenshot_1-${screenshots.length}.zip`);
});
}
function showLatestScreenshotPreview(image) {
const previewContainer = document.getElementById('previewContainer');
previewContainer.innerHTML = '';
const img = document.createElement('img');
img.src = image;
img.style.maxWidth = '200px';
img.style.maxHeight = '200px';
previewContainer.appendChild(img);
}
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.0/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>
</body> </html>