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ffmpeg-cut-cmd.html
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<!DOCTYPE html>
<!-- https://ffmpeg-cut-cmd.glitch.me/ -->
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>FFmpeg Command Generator</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
#drop-area {
border: 2px dashed #ccc;
border-radius: 20px;
width: 100%;
padding: 20px;
text-align: center;
margin-bottom: 20px;
transition: background 0.3s;
}
#drop-area.dragover {
background-color: #e9e9e9;
}
#timeline {
border: 1px solid #ccc;
height: 100px;
position: relative;
margin-bottom: 20px;
}
.breakpoint {
width: 10px;
height: 100%;
background-color: red;
position: absolute;
cursor: pointer;
}
.timecode {
position: absolute;
top: 0;
font-size: 12px;
background: white;
border: 1px solid #ccc;
padding: 2px;
}
#total-duration {
position: absolute;
right: 0;
bottom: -20px;
font-size: 12px;
}
#controls {
margin-bottom: 20px;
}
#commands {
width: 100%;
height: 200px;
}
</style>
</head>
<body>
<h1>FFmpeg Command Generator</h1>
<div id="drop-area">
Drag and drop media file here
</div>
<div id="timeline">
<div id="total-duration"></div>
</div>
<div id="controls">
<button id="add-breakpoint">Add Breakpoint</button>
<button id="remove-breakpoint">Remove Last Breakpoint</button>
</div>
<textarea id="commands" readonly></textarea>
<button id="copy-commands">Copy Commands</button>
<p>Give me a star on GitHub <a href="https://github.com/cxumol/html">https://github.com/cxumol/html-SPAs</a></p>
<script>
let breakpoints = [];
let mediaDuration = 0;
let mediaFileName = '';
const dropArea = document.getElementById('drop-area');
const timeline = document.getElementById('timeline');
const commandsTextarea = document.getElementById('commands');
const totalDurationElement = document.getElementById('total-duration');
dropArea.addEventListener('dragover', (e) => {
e.preventDefault();
dropArea.classList.add('dragover');
});
dropArea.addEventListener('dragleave', () => {
dropArea.classList.remove('dragover');
});
dropArea.addEventListener('drop', (e) => {
e.preventDefault();
dropArea.classList.remove('dragover');
const file = e.dataTransfer.files[0];
if (file && (file.type.startsWith('video/') || file.type.startsWith('audio/'))) {
const url = URL.createObjectURL(file);
const media = document.createElement(file.type.startsWith('video/') ? 'video' : 'audio');
media.src = url;
media.addEventListener('loadedmetadata', () => {
mediaDuration = media.duration;
mediaFileName = file.name;
totalDurationElement.textContent = formatTime(mediaDuration);
alert(`Loaded media: ${file.name} with duration ${mediaDuration.toFixed(2)} seconds`);
});
} else {
alert('Unsupported file type. Please drop a video or audio file.');
}
});
document.getElementById('add-breakpoint').addEventListener('click', () => {
const breakpoint = document.createElement('div');
const timecode = document.createElement('div');
timecode.className = 'timecode';
timecode.textContent = '00:00:00';
breakpoint.className = 'breakpoint';
breakpoint.appendChild(timecode);
timeline.appendChild(breakpoint);
makeDraggable(breakpoint);
breakpoints.push(breakpoint);
updateCommands();
});
document.getElementById('remove-breakpoint').addEventListener('click', () => {
if (breakpoints.length > 0) {
const breakpoint = breakpoints.pop();
timeline.removeChild(breakpoint);
updateCommands();
}
});
document.getElementById('copy-commands').addEventListener('click', () => {
commandsTextarea.select();
document.execCommand('copy');
alert('Commands copied to clipboard');
});
function makeDraggable(element) {
element.addEventListener('mousedown', (e) => {
const onMouseMove = (e) => {
const rect = timeline.getBoundingClientRect();
let x = e.clientX - rect.left;
if (x < 0) x = 0;
if (x > rect.width - element.offsetWidth) x = rect.width - element.offsetWidth;
element.style.left = `${x}px`;
const timecode = element.querySelector('.timecode');
const seconds = (parseFloat(element.style.left) / rect.width) * mediaDuration;
timecode.textContent = formatTime(seconds);
updateCommands();
};
document.addEventListener('mousemove', onMouseMove);
document.addEventListener('mouseup', () => {
document.removeEventListener('mousemove', onMouseMove);
}, { once: true });
});
}
function updateCommands() {
if (mediaDuration > 0) {
const rect = timeline.getBoundingClientRect();
const commands = breakpoints.map((breakpoint, index) => {
const startTime = (parseFloat(breakpoint.style.left) / rect.width) * mediaDuration;
const endTime = index < breakpoints.length - 1 ?
(parseFloat(breakpoints[index + 1].style.left) / rect.width) * mediaDuration :
mediaDuration;
const extension = mediaFileName.split('.').pop();
const baseName = mediaFileName.substring(0, mediaFileName.lastIndexOf('.'));
const zeroPaddedIndex = String(index).padStart(3, '0');
const outputFileName = `${baseName}_${zeroPaddedIndex}.${extension}`;
return `ffmpeg -ss ${formatTime(startTime)} -to ${formatTime(endTime)} -accurate_seek -i "${mediaFileName}" -codec copy "${outputFileName}"`;
}).join('\n');
commandsTextarea.value = commands;
}
}
function formatTime(seconds) {
const date = new Date(seconds * 1000);
const hh = String(date.getUTCHours()).padStart(2, '0');
const mm = String(date.getUTCMinutes()).padStart(2, '0');
const ss = String(date.getUTCSeconds()).padStart(2, '0');
return `${hh}:${mm}:${ss}`;
}
</script>
</body>
</html>