mp4.html
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<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title></title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" href="css/normalize.min.css">
<link rel="stylesheet" href="css/main.css">
<script src="js/vendor/modernizr-2.6.2.min.js"></script>
</head>
<body>
<!--[if lt IE 7]>
<p class="chromeframe">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">activate Google Chrome Frame</a> to improve your experience.</p>
<![endif]-->
<div class="header-container">
<header class="wrapper clearfix">
<h1 class="title">Transmux Analyzer</h1>
</header>
</div>
<div class="main-container">
<div class="main wrapper clearfix">
<article>
<header>
<p>
This page can help you inspect the results of the
transmuxing to mp4 files performed by videojs-contrib-hls.
</p>
<p>
Looking for the FLV tool? Check out
the <a href="index.html">FLV utility</a>.
</p>
</header>
<section>
<h2>Inputs</h2>
<form id="inputs">
<label>
Your original MP2T segment:
<input type="file" id="original">
</label>
<label>
A working, MP4 version of the underlying stream
produced by another tool:
<input type="file" id="working">
</label>
</form>
</section>
<section>
<h2>Comparision</h2>
<div id="comparison">
A diff of the structure of the two MP4s will appear here
once you've specified an input TS file and a known working
MP4.
</div>
</section>
<section>
<h2>Structure</h2>
<div class="result-wrapper">
<h3>videojs-contrib-hls</h3>
<pre class="vjs-boxes">
</pre>
</div>
<div class="result-wrapper">
<h3>Working</h3>
<pre class="working-boxes"></pre>
</div>
</section>
<section>
<h2>Results</h2>
<div class="result-wrapper">
<h3>videojs-contrib-hls</h3>
<div class="vjs-hls-output result">
<p>
The results of transmuxing your input file with
videojs-contrib-hls will show up here.
</p>
</div>
</div>
<div class="result-wrapper">
<h3>Working</h3>
<div class="working-output result">
<p>
The "good" version of the file will show up here.
</p>
</div>
</div>
</section>
</article>
</div> <!-- #main -->
</div> <!-- #main-container -->
<div class="footer-container">
<footer class="wrapper">
<h3>footer</h3>
</footer>
</div>
<script>
window.videojs = window.videojs || {
Hls: {}
};
</script>
<script src="../../src/stream.js"></script>
<script src="../../src/mp4-generator.js"></script>
<script src="../../src/transmuxer.js"></script>
<script src="../../src/flv-tag.js"></script>
<script src="../../src/exp-golomb.js"></script>
<script src="js/mp4-inspector.js"></script>
<script src="../../src/bin-utils.js"></script>
<!-- Include QUnit for object diffs -->
<script src="../../node_modules/qunitjs/qunit/qunit.js"></script>
<script>
var inputs = document.getElementById('inputs'),
original = document.getElementById('original'),
working = document.getElementById('working'),
vjsParsed,
workingParsed,
diffParsed,
vjsBytes,
workingBytes,
vjsBoxes = document.querySelector('.vjs-boxes'),
workingBoxes = document.querySelector('.working-boxes'),
vjsOutput = document.querySelector('.vjs-hls-output'),
workingOutput = document.querySelector('.working-output'),
video = document.createElement('video'),
mediaSource = new MediaSource(),
FlvTag = videojs.Hls.FlvTag;
logevent = function(event) {
console.log(event.type);
};
// output a diff of the two parsed MP4s
diffParsed = function() {
var comparison, diff, transmuxed;
if (!vjsParsed || !workingParsed) {
// wait until both inputs have been provided
return;
}
comparison = document.querySelector('#comparison');
if (workingParsed[0].type === 'moof') {
diff = '<h3>Media Segment Comparision</h3>';
transmuxed = vjsParsed.slice(2);
} else if (workingParsed.length === 2) {
diff = '<h3>Init Segment Comparision</h3>';
transmuxed = vjsParsed.slice(0, 2);
} else {
diff = '<h3>General Comparision</h3>';
transmuxed = vjsParsed;
}
diff += '<p>A <del>red background</del> indicates ' +
'properties present in the transmuxed file but missing from the ' +
'working version. A <ins>green background</ins> indicates ' +
'properties present in the working version but missing in the ' +
'transmuxed output.</p>';
diff += '<pre class="mp4-diff">' +
QUnit.diff(videojs.textifyMp4(transmuxed, null, ' '),
videojs.textifyMp4(workingParsed, null, ' ')) +
'</pre>';
comparison.innerHTML = diff;
};
mediaSource.addEventListener('sourceopen', function() {
var
// buffer = mediaSource.addSourceBuffer('video/mp4;codecs=avc1.4d400d');
buffer = mediaSource.addSourceBuffer('audio/mp4;codecs=mp4a.40.2');
buffer.addEventListener('updatestart', logevent);
buffer.addEventListener('updateend', logevent);
buffer.addEventListener('error', logevent);
window.vjsMediaSource = mediaSource;
window.vjsSourceBuffer = buffer;
window.vjsVideo = video;
});
mediaSource.addEventListener('error', logevent);
mediaSource.addEventListener('opened', logevent);
mediaSource.addEventListener('closed', logevent);
mediaSource.addEventListener('sourceended', logevent);
video.src = URL.createObjectURL(mediaSource);
video.addEventListener('error', console.log.bind(console));
videojs.log = console.log.bind(console);
original.addEventListener('change', function() {
var reader = new FileReader(),
videoSegments= [],
audioSegments = [],
videoBuffer = [],
audioBuffer = [];
reader.addEventListener('loadend', function() {
var segment = new Uint8Array(reader.result),
transmuxer = new videojs.mp2t.Transmuxer(),
events = [],
bytesLength = 0,
bytes,
i, j,
hex = '';
transmuxer.on('data', function(data) {
if (data && data.type === 'audio') {
events.push(data.data);
bytesLength += data.data.byteLength;
}
});
transmuxer.push(segment);
transmuxer.end();
bytes = new Uint8Array(bytesLength);
for (j = 0, i = 0; j < events.length; j++) {
bytes.set(events[j], i);
i += events[j].byteLength;
}
vjsBytes = bytes;
vjsParsed = videojs.inspectMp4(bytes);
console.log('transmuxed', vjsParsed);
diffParsed();
// clear old box info
vjsBoxes.innerHTML = videojs.textifyMp4(vjsParsed, null, ' ');
// write out the result
hex += '<pre>';
hex += 'nothing to see here';
hex += '</pre>';
vjsOutput.innerHTML = hex;
// XXX Media Sources Testing
window.vjsSourceBuffer.appendBuffer(bytes);
});
reader.readAsArrayBuffer(this.files[0]);
}, false);
working.addEventListener('change', function() {
var reader = new FileReader();
reader.addEventListener('loadend', function() {
var hex = '',
bytes = new Uint8Array(reader.result);
workingBytes = bytes;
workingParsed = videojs.inspectMp4(bytes);
console.log('working', workingParsed);
diffParsed();
// clear old box info
workingBoxes.innerHTML = videojs.textifyMp4(workingParsed, null, ' ');
// output the hex dump
hex += '<pre>';
hex += videojs.Hls.utils.hexDump(bytes);
hex += '</pre>';
workingOutput.innerHTML = hex;
// XXX Media Sources Testing
// window.vjsSourceBuffer.appendBuffer(bytes);
});
reader.readAsArrayBuffer(this.files[0]);
}, false);
</script>
</body>
</html>