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index.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>
<style>
fieldset {
padding: 10px;
border: 1px solid #ccc;
}
</style>
</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outdated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. It's still a bit tricky to create a
MSE-compatible fragmented MP4. We've had luck
with <a href="http://www.bento4.com/developers/dash/">Bento4</a>
and ffmpeg. If you have both of those utilities installed,
you can create a working MP4 like this:
<pre>
ffmpeg -i movie.ts -vn -codec copy -absf aac_adtstoasc movie-audio.mp4
mp4fragment --track audio --fragment-duration 11000 movie-audio.mp4 movie-audio.m4s</pre>
<small>Looking for the <a href="legacy.html">FLV tool</a>?</small>
</header>
<section>
<h2>Inputs</h2>
<form id="inputs">
<legend>
The input with the checked radio box will be loaded into
the player on this page.
</legend>
<fieldset>
<legend>M2TS Input</legend>
<div>
<input id="original-active" type=radio name=active checked value="original">
<label>
Your original .TS or .AAC segment:
<input type="file" id="original">
</label>
<button id="save-muxed" type="button">Save Transmuxer Output</button>
</div>
<div>
<label><input id="combined-output" type=checkbox name=combined checked value="combined"> Remux output into a single output?
</label>
</div>
<div>
Otherwise, output only:
<label><input id="video-output" type=radio name=output disabled checked value="video"> Video
</label>
<label><input id="audio-output" type=radio name=output disabled checked value="audio"> Audio
</label>
</div>
<div>
<label><input id="reset-tranmsuxer" type=checkbox name=reset checked value="reset"> Recreate the Transmuxer & MediaSource for each file open?
</label>
</div>
</fieldset>
<fieldset>
<legend>MP4 Input</legend>
<input id="working-active" type=radio name=active value="working">
<label>
A working, MP4 version of the underlying stream
produced by another tool:
<input type="file" id="working">
</label>
</fieldset>
<div>
<label>
Codecs:
<input id="codecs" type="text" value="avc1.64001f,mp4a.40.5">
</label>
</div>
</form>
</section>
<section id="video-place">
</section>
<section>
<h2>Comparison</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>
</article>
</div> <!-- #main -->
</div> <!-- #main-container -->
<div class="footer-container">
<footer class="wrapper">
<h3>footer</h3>
</footer>
</div>
<script src="../dist/mux.js"></script>
<!-- Include QUnit for object diffs -->
<script src="../node_modules/qunitjs/qunit/qunit.js"></script>
<script>
/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
window.saveAs=function(view){"use strict";if(typeof navigator!=="undefined"&&/MSIE [1-9]\./.test(navigator.userAgent)){return}var doc=view.document,get_URL=function(){return view.URL||view.webkitURL||view},save_link=doc.createElementNS("http://www.w3.org/1999/xhtml","a"),can_use_save_link="download"in save_link,click=function(node){var event=new MouseEvent("click");node.dispatchEvent(event)},is_safari=/Version\/[\d\.]+.*Safari/.test(navigator.userAgent),webkit_req_fs=view.webkitRequestFileSystem,req_fs=view.requestFileSystem||webkit_req_fs||view.mozRequestFileSystem,throw_outside=function(ex){(view.setImmediate||view.setTimeout)(function(){throw ex},0)},force_saveable_type="application/octet-stream",fs_min_size=0,arbitrary_revoke_timeout=500,revoke=function(file){var revoker=function(){if(typeof file==="string"){get_URL().revokeObjectURL(file)}else{file.remove()}};if(view.chrome){revoker()}else{setTimeout(revoker,arbitrary_revoke_timeout)}},dispatch=function(filesaver,event_types,event){event_types=[].concat(event_types);var i=event_types.length;while(i--){var listener=filesaver["on"+event_types[i]];if(typeof listener==="function"){try{listener.call(filesaver,event||filesaver)}catch(ex){throw_outside(ex)}}}},auto_bom=function(blob){if(/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)){return new Blob(["\ufeff",blob],{type:blob.type})}return blob},FileSaver=function(blob,name,no_auto_bom){if(!no_auto_bom){blob=auto_bom(blob)}var filesaver=this,type=blob.type,blob_changed=false,object_url,target_view,dispatch_all=function(){dispatch(filesaver,"writestart progress write writeend".split(" "))},fs_error=function(){if(target_view&&is_safari&&typeof FileReader!=="undefined"){var reader=new FileReader;reader.onloadend=function(){var 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save=function(){dir.getFile(name,create_if_not_found,abortable(function(file){file.createWriter(abortable(function(writer){writer.onwriteend=function(event){target_view.location.href=file.toURL();filesaver.readyState=filesaver.DONE;dispatch(filesaver,"writeend",event);revoke(file)};writer.onerror=function(){var error=writer.error;if(error.code!==error.ABORT_ERR){fs_error()}};"writestart progress write abort".split(" ").forEach(function(event){writer["on"+event]=filesaver["on"+event]});writer.write(blob);filesaver.abort=function(){writer.abort();filesaver.readyState=filesaver.DONE};filesaver.readyState=filesaver.WRITING}),fs_error)}),fs_error)};dir.getFile(name,{create:false},abortable(function(file){file.remove();save()}),abortable(function(ex){if(ex.code===ex.NOT_FOUND_ERR){save()}else{fs_error()}}))}),fs_error)}),fs_error)},FS_proto=FileSaver.prototype,saveAs=function(blob,name,no_auto_bom){return new FileSaver(blob,name,no_auto_bom)};if(typeof navigator!=="undefined"&&navigator.msSaveOrOpenBlob){return function(blob,name,no_auto_bom){if(!no_auto_bom){blob=auto_bom(blob)}return navigator.msSaveOrOpenBlob(blob,name||"download")}}FS_proto.abort=function(){var filesaver=this;filesaver.readyState=filesaver.DONE;dispatch(filesaver,"abort")};FS_proto.readyState=FS_proto.INIT=0;FS_proto.WRITING=1;FS_proto.DONE=2;FS_proto.error=FS_proto.onwritestart=FS_proto.onprogress=FS_proto.onwrite=FS_proto.onabort=FS_proto.onerror=FS_proto.onwriteend=null;return saveAs}(typeof self!=="undefined"&&self||typeof window!=="undefined"&&window||this.content);if(typeof module!=="undefined"&&module.exports){module.exports.saveAs=saveAs}else if(typeof define!=="undefined"&&define!==null&&define.amd!=null){define([],function(){return saveAs})}
</script>
<script>
'use strict';
var
$ = document.querySelector.bind(document),
inputs = $('#inputs'),
original = $('#original'),
working = $('#working'),
saveButton = $('#save-muxed'),
vjsParsed,
workingParsed,
diffParsed,
vjsBytes,
workingBytes,
saveConfig,
restoreConfig,
saveTA,
vjsBoxes = $('.vjs-boxes'),
workingBoxes = $('.working-boxes'),
workingBoxes = $('.working-boxes'),
muxedData,
muxedName,
transmuxer,
video,
mediaSource,
logevent,
prepareSourceBuffer;
logevent = function(event) {
console.log(event.type);
};
saveTA = function(tarr, n) { var b = new Blob([tarr], {type: 'application/octet-binary'}); return window.saveAs(b, n);}
saveConfig = function () {
var inputs = [].slice.call(document.querySelectorAll('input:not([type=file])'));
inputs.forEach(function (element) {
localStorage.setItem(element.id,
JSON.stringify({
value: element.value,
checked: element.checked,
disabled: element.disabled
}));
});
};
restoreConfig = function () {
var inputs = [].slice.call(document.querySelectorAll('input:not([type=file])'));
inputs.forEach(function (element) {
var state;
state = JSON.parse(localStorage.getItem(element.id));
if (state) {
element.checked = state.checked;
element.value = state.value;
element.disabled = state.disabled;
}
});
};
document.addEventListener('DOMContentLoaded', restoreConfig);
// 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 = $('#comparison');
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(muxjs.mp4.tools.textify(transmuxed, null, ' '),
muxjs.mp4.tools.textify(workingParsed, null, ' ')) +
'</pre>';
comparison.innerHTML = diff;
};
prepareSourceBuffer = function(combined, outputType, callback) {
var
buffer,
codecs,
codecsArray,
resetTransmuxer = $('#reset-tranmsuxer').checked;
if (typeof combined === 'function') {
callback = combined;
combined = true;
}
// Our work here is done if the sourcebuffer has already been created
if (!resetTransmuxer && window.vjsBuffer) {
return callback();
}
video = document.createElement('video');
video.controls = true;
mediaSource = new MediaSource();
video.src = URL.createObjectURL(mediaSource);
window.vjsVideo = video;
window.vjsMediaSource = mediaSource;
$('#video-place').innerHTML = '';
$('#video-place').appendChild(video);
mediaSource.addEventListener('error', logevent);
mediaSource.addEventListener('opened', logevent);
mediaSource.addEventListener('closed', logevent);
mediaSource.addEventListener('sourceended', logevent);
codecs = $('#codecs');
codecsArray = codecs.value.split(',');
mediaSource.addEventListener('sourceopen', function () {
mediaSource.duration = 0;
if (combined) {
buffer = mediaSource.addSourceBuffer('video/mp4;codecs="' + codecs.value + '"');
} else if (outputType === 'video') {
buffer = mediaSource.addSourceBuffer('video/mp4;codecs="' + codecsArray[0] + '"');
} else if (outputType === 'audio') {
buffer = mediaSource.addSourceBuffer('audio/mp4;codecs="' + (codecsArray[1] ||codecsArray[0]) + '"');
}
buffer.addEventListener('updatestart', logevent);
buffer.addEventListener('updateend', logevent);
buffer.addEventListener('error', logevent);
window.vjsBuffer = buffer;
video.addEventListener('error', logevent);
video.addEventListener('error', function() {
document.getElementById('video-place').classList.add('error');
});
return callback();
});
};
original.addEventListener('change', function() {
var reader = new FileReader();
// do nothing if no file was chosen
if (!this.files[0]) {
return;
}
reader.addEventListener('loadend', function() {
var segment = new Uint8Array(reader.result),
combined = document.querySelector('#combined-output').checked,
outputType = document.querySelector('input[name="output"]:checked').value,
resetTransmuxer = $('#reset-tranmsuxer').checked,
remuxedSegments = [],
remuxedInitSegment = null,
remuxedBytesLength = 0,
createInitSegment = false,
bytes,
i, j;
if (resetTransmuxer || !transmuxer) {
createInitSegment = true;
if (combined) {
outputType = 'combined';
transmuxer = new muxjs.mp4.Transmuxer();
} else {
transmuxer = new muxjs.mp4.Transmuxer({remux: false});
}
transmuxer.on('data', function(event) {
if (event.type === outputType) {
remuxedSegments.push(event);
remuxedBytesLength += event.data.byteLength;
remuxedInitSegment = event.initSegment;
}
});
transmuxer.on('done', function () {
var offset = 0;
if (createInitSegment) {
bytes = new Uint8Array(remuxedInitSegment.byteLength + remuxedBytesLength)
bytes.set(remuxedInitSegment, offset);
offset += remuxedInitSegment.byteLength;
createInitSegment = false;
} else {
bytes = new Uint8Array(remuxedBytesLength);
}
for (j = 0, i = offset; j < remuxedSegments.length; j++) {
bytes.set(remuxedSegments[j].data, i);
i += remuxedSegments[j].byteLength;
}
muxedData = bytes;
remuxedSegments = [];
remuxedBytesLength = 0;
vjsBytes = bytes;
vjsParsed = muxjs.mp4.tools.inspect(bytes);
console.log('transmuxed', vjsParsed);
diffParsed();
// clear old box info
vjsBoxes.innerHTML = muxjs.mp4.tools.textify(vjsParsed, null, ' ');
if ($('#original-active').checked) {
prepareSourceBuffer(combined, outputType, function () {
console.log('appending...');
window.vjsBuffer.appendBuffer(bytes);
video.play();
});
}
});
}
transmuxer.push(segment);
transmuxer.flush();
transmuxer.endTimeline();
});
muxedName = this.files[0].name.replace('.ts', '.f4m');
reader.readAsArrayBuffer(this.files[0]);
}, false);
working.addEventListener('change', function() {
var reader = new FileReader();
reader.addEventListener('loadend', function() {
var bytes = new Uint8Array(reader.result);
if ($('#working-active').checked) {
prepareSourceBuffer(function() {
window.vjsBuffer.appendBuffer(bytes);
video.play();
});
}
workingBytes = bytes;
workingParsed = muxjs.mp4.tools.inspect(bytes);
console.log('working', workingParsed);
diffParsed();
// clear old box info
workingBoxes.innerHTML = muxjs.mp4.tools.textify(workingParsed, null, ' ');
});
reader.readAsArrayBuffer(this.files[0]);
}, false);
$('#save-muxed').addEventListener('click', function () {
if (muxedData && muxedName) {
return saveTA(muxedData, muxedName);
}
});
$('#combined-output').addEventListener('change', function () {
Array.prototype.slice.call(document.querySelectorAll('[name="output"'))
.forEach(function (el) {
el.disabled = this.checked;
}, this);
});
[].slice.call(document.querySelectorAll('input')).forEach(function(el){
el.addEventListener('change', saveConfig);
});
</script>
</body>
</html>