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convert.html
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convert.html
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<head>
<link rel="stylesheet" href="./main.css?ver=40" />
<style>
.container {
max-width: 80%;
width: fit-content;
margin: 0 auto;
}
h1 {
margin-top: 1em;
margin-bottom: 1em;
padding: 10px;
}
.card {
margin: 10px;
box-shadow: 0 4px 8px 0 rgb(0 0 0 / 10%);
background-color: #ddd;
color: black;
margin-bottom: 1.5em;
}
.card>div {
padding: 10px;
}
.card h2 {
font-size: 1.5em;
padding: 10px;
background-color: #457b9d;
color: white;
border-bottom: 2px solid #3b6a87;
}
small {
font-style: italic;
display: block;
margin-left: 1em;
}
span.warning {
color: rgb(212, 191, 0);
}
input {
padding: 10px;
}
video {
max-width: 640px;
max-height: 360px;
padding: 20px;
}
audio {
max-width: 640px;
max-height: 360px;
padding: 20px;
}
div#processing {
display: none;
justify-content: center;
place-items: center;
position: absolute;
inset: 0;
font-size: 1.5em;
font-weight: bold;
background: #141926;
flex-direction: column;
}
</style>
</head>
<body style='color:white'>
<div id="header">
<a id="logoname" href="./" style="text-decoration: none; color: white; margin: 2px">
<span data-translate="logo-header">
<font id="qos">V</font>DO.Ninja
</span>
</a>
</div>
<div class="container">
<div id="info">
<h1>Web-based Media Conversion Tools</h1>
<div class="card">
<h2>WebM to MP4 (fixed 1280x720 resolution) <span class='warning'>(very slow!)</span></h2>
<div>
<small>The same as: fmpeg -i input.webm -vf scale=1280:720 output.mp4</small>
<input type="file" id="uploader" title="Convert WebM to MP4">
</div>
</div>
<div class="card">
<h2>WebM to MP4 files (no transcoding, attempts to force high resolutions)</h2>
<div>
<input type="file" id="uploader3" accept=".webm" title="Convert WebM to MP4">
</div>
</div>
<div class="card">
<h2>WebM to Audio-only files (opus or wav)</h2>
<div>
<input type="file" id="uploader4" accept=".webm" title="Convert WebM to OPUS">
</div>
</div>
<div class="card">
<h2>MKV to MP4 (no transcoding)</h2>
<div>
<small>The same as: fmpeg -i INPUTFILE -vcodec copy -acodec copy output.mp4</small>
<input type="file" id="uploader2" accept=".mkv" title="Convert MKV to MP4">
</div>
</div>
<div id="processing">
<span id="message"></span>
<video id="player" controls style="display:none"></video>
<audio id="player2" controls style="display:none"></audio>
</div>
</div>
<script>
if (window.location.hostname.indexOf("vdo.ninja") == 0) {
window.location = window.location.href.replace("vdo.ninja","isolated.vdo.ninja"); // FFMPEG requires an isolated domain.
}
</script>
<script src="./thirdparty/ffmpeg.min.js"></script>
<script>
function download(data, filename) {
const blob = new Blob([data.buffer]);
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.style.display = 'none';
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
setTimeout(() => {
document.body.removeChild(a);
window.URL.revokeObjectURL(url);
}, 100);
}
const { createFFmpeg, fetchFile } = FFmpeg;
const ffmpeg = createFFmpeg({ log: true });
const transcode = async ({ target: { files } }) => {
const { name } = files[0];
document.getElementById('uploader').style.display = "none";
document.getElementById('uploader2').style.display = "none";
document.getElementById('uploader3').style.display = "none";
document.getElementById('message').innerText = "Transcoding file... this will take a while";
document.getElementById('processing').style.display = 'flex';
await ffmpeg.load();
ffmpeg.FS('writeFile', name, await fetchFile(files[0]));
await ffmpeg.run('-i', name, '-vf', 'scale=1280:720', 'output.mp4');
const data = ffmpeg.FS('readFile', 'output.mp4');
const video = document.getElementById('player');
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));
video.style.display = "block";
document.getElementById('message').innerText = "Operation Done. Play video or download it.";
}
const transmux = async ({ target: { files } }) => {
const { name } = files[0];
document.getElementById('uploader').style.display = "none";
document.getElementById('uploader2').style.display = "none";
document.getElementById('uploader3').style.display = "none";
document.getElementById('message').innerText = "Transcoding file... this will take a while";
document.getElementById('processing').style.display = 'flex';
await ffmpeg.load();
ffmpeg.FS('writeFile', name, await fetchFile(files[0]));
await ffmpeg.run('-i', name, '-vcodec', 'copy', '-acodec', 'copy', 'output.mp4');
const data = ffmpeg.FS('readFile', 'output.mp4');
const video = document.getElementById('player');
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));
video.style.display = "block";
document.getElementById('message').innerText = "Operation Done. Play video or download it.";
}
const force1080 = async ({ target: { files } }) => {
const { name } = files[0];
const sourceBuffer = await fetch("./media/cap.webm").then(r => r.arrayBuffer());
document.getElementById('uploader').style.display = "none";
document.getElementById('uploader2').style.display = "none";
document.getElementById('uploader3').style.display = "none";
document.getElementById('message').innerText = "Tweaking file... this will take a moment";
document.getElementById('processing').style.display = 'flex';
await ffmpeg.load();
ffmpeg.FS('writeFile', name, await fetchFile(files[0]));
ffmpeg.FS("writeFile", "cap.webm", new Uint8Array(sourceBuffer, 0, sourceBuffer.byteLength));
await ffmpeg.run("-i", "concat:cap.webm|" + name, "-safe", "0", "-c", "copy", "-avoid_negative_ts", "1", "-strict", "experimental", "output.mp4");
const data = ffmpeg.FS('readFile', 'output.mp4');
const video = document.getElementById('player');
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));
video.style.display = "block";
document.getElementById('message').innerText = "Operation Done. Play video or download it.";
document.getElementById('processing').style.display = 'flex';
}
const convertToAudioOnly = async ({ target: { files } }) => {
const { name } = files[0];
document.getElementById('message').innerText = "Transcoding file... this will take a while";
document.getElementById('processing').style.display = 'flex';
await ffmpeg.load();
ffmpeg.FS('writeFile', name, await fetchFile(files[0]));
const video = document.getElementById('player');
await ffmpeg.run('-i', name, '-vn', '-acodec', 'copy', 'output.opus');
const data = ffmpeg.FS('readFile', 'output.opus');
console.log(data.buffer.byteLength);
if (data.buffer.byteLength) {
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'audio/opus' }));
download(data, name.split(".")[0] + ".opus");
} else {
await ffmpeg.run('-i', name, '-vn', '-acodec', 'copy', 'output.wav');
const data2 = ffmpeg.FS('readFile', 'output.wav');
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'audio/pcm' }));
download(data2, name.split(".")[0] + ".wav");
}
video.style.display = "block";
document.getElementById('message').innerText = "Operation Done. Play audio or download it.";
document.getElementById('processing').style.display = 'flex';
}
document.getElementById('uploader').addEventListener('change', transcode);
document.getElementById('uploader2').addEventListener('change', transmux);
document.getElementById('uploader3').addEventListener('change', force1080);
document.getElementById('uploader4').addEventListener('change', convertToAudioOnly);
</script>
</body>