mp4.html
8.61 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
<!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outdated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'),
// customize JSON.stringify for more readable TypedArrays
stringify,
vjsParsed,
workingParsed,
diffParsed,
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);
};
stringify = function(object) {
return JSON.stringify(object, function(s, o) {
if (o instanceof Uint8Array) {
return Array.prototype.slice.call(o).map(function(byte) {
return ('00' + byte.toString(16)).slice(-2);
});
} else if (o instanceof Uint32Array) {
return Array.prototype.slice.call(o).map(function(byte) {
return ('00000000' + byte.toString(16)).slice(-8);
});
}
return o;
}, ' ');
};
// output a diff of the two parsed MP4s
diffParsed = function() {
var comparison;
if (vjsParsed && workingParsed) {
comparison = document.querySelector('#comparison')
comparison.innerHTML = '<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>' +
QUnit.diff(stringify(vjsParsed, null, ' '),
stringify(workingParsed, null, ' '));
}
};
mediaSource.addEventListener('sourceopen', function() {
var
buffer = mediaSource.addSourceBuffer('video/mp4;codecs=avc1.4d400d'),
one = false;
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 = [],
bytes,
hex = '';
transmuxer.on('data', function(data) {
if (data) {
events.push(data.data);
}
});
transmuxer.push(segment);
transmuxer.end();
bytes = new Uint8Array(events[0].byteLength + events[1].byteLength);
bytes.set(events[0]);
bytes.set(events[1], events[0].byteLength);
vjsParsed = videojs.inspectMp4(bytes);
console.log('transmuxed', vjsParsed);
diffParsed();
// clear old box info
vjsBoxes.innerHTML = stringify(vjsParsed, null, ' ');
// write out the result
hex += '<pre>';
hex += 'nothing to see here';
hex += '</pre>';
vjsOutput.innerHTML = hex;
});
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);
workingParsed = videojs.inspectMp4(bytes);
console.log('working', workingParsed);
diffParsed();
// clear old box info
workingBoxes.innerHTML = stringify(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);
console.log('appended bytes');
});
reader.readAsArrayBuffer(this.files[0]);
}, false);
</script>
</body>
</html>