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Add example for keeping DRM MediaKeySessions in DRM section #3934

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merged 1 commit into from
Apr 28, 2022
Merged

Add example for keeping DRM MediaKeySessions in DRM section #3934

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136 changes: 136 additions & 0 deletions samples/drm/keepProtectionKeys.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>DRM - Keep MediaKeySession example</title>

<script src="../../dist/dash.all.debug.js"></script>

<!-- Bootstrap core CSS -->
<link href="../lib/bootstrap/bootstrap.min.css" rel="stylesheet">
<link href="../lib/main.css" rel="stylesheet">

<style>
video {
width: 640px;
height: 360px;
}
</style>

<script class="code">
function init() {
var protData = {
"com.widevine.alpha": {
"serverURL": "https://drm-widevine-licensing.axtest.net/AcquireLicense",
"httpRequestHeaders": {
"X-AxDRM-Message": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ2ZXJzaW9uIjoxLCJjb21fa2V5X2lkIjoiYjMzNjRlYjUtNTFmNi00YWUzLThjOTgtMzNjZWQ1ZTMxYzc4IiwibWVzc2FnZSI6eyJ0eXBlIjoiZW50aXRsZW1lbnRfbWVzc2FnZSIsImtleXMiOlt7ImlkIjoiOWViNDA1MGQtZTQ0Yi00ODAyLTkzMmUtMjdkNzUwODNlMjY2IiwiZW5jcnlwdGVkX2tleSI6ImxLM09qSExZVzI0Y3Iya3RSNzRmbnc9PSJ9XX19.4lWwW46k-oWcah8oN18LPj5OLS5ZU-_AQv7fe0JhNjA"
},
"httpTimeout": 5000,
priority: 0
},
"com.microsoft.playready": {
"serverURL": "https://drm-playready-licensing.axtest.net/AcquireLicense",
"httpRequestHeaders": {
"X-AxDRM-Message": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ2ZXJzaW9uIjoxLCJjb21fa2V5X2lkIjoiYjMzNjRlYjUtNTFmNi00YWUzLThjOTgtMzNjZWQ1ZTMxYzc4IiwibWVzc2FnZSI6eyJ0eXBlIjoiZW50aXRsZW1lbnRfbWVzc2FnZSIsImtleXMiOlt7ImlkIjoiOWViNDA1MGQtZTQ0Yi00ODAyLTkzMmUtMjdkNzUwODNlMjY2IiwiZW5jcnlwdGVkX2tleSI6ImxLM09qSExZVzI0Y3Iya3RSNzRmbnc9PSJ9XX19.4lWwW46k-oWcah8oN18LPj5OLS5ZU-_AQv7fe0JhNjA"
},
"httpTimeout": 5000,
priority: 1
}
};
var video,
player,
url = "https://media.axprod.net/TestVectors/v7-MultiDRM-SingleKey/Manifest_1080p.mpd";
var attachSourceButton = document.getElementById('attach_button');

video = document.querySelector("video");
player = dashjs.MediaPlayer().create();
player.updateSettings({
streaming: {
debug: {
logLevel: 5
},
protection: {
keepProtectionMediaKeys: true
}
}
})
player.initialize(video, null, true);
player.setProtectionData(protData);

attachSourceButton.onclick = function () {
player.attachSource(url);
}
}

function check() {
if (location.protocol === 'http:' && location.hostname !== 'localhost') {
var out = 'This page has been loaded under http. This might result in the EME APIs not being available to the player and any DRM-protected content will fail to play. ' +
'If you wish to test manifest URLs that require EME support, then <a href=\'https:' + window.location.href.substring(window.location.protocol.length) + '\'>reload this page under https</a>.'
var div = document.getElementById('http-warning');
div.innerHTML = out;
div.style.display = ''
}
}
</script>
</head>
<body>

<main>
<div class="container py-4">
<header class="pb-3 mb-4 border-bottom">
<img class=""
src="../lib/img/dashjs-logo.png"
width="200">
</header>
<div class="row">
<div class="col-md-12">
<div class="alert alert-danger" role="alert" style="display: none" id="http-warning">

</div>
</div>
</div>
<div class="row">
<div class="col-md-4">
<div class="h-100 p-5 bg-light border rounded-3">
<h3>DRM - Keep MediaKeySession</h3>
<p>The ProtectionController and the created MediaKeys and MediaKeySessions will be preserved during
the MediaPlayer lifetime. </p>
<p>To observe the effect of the "keepProtectionMediaKeys"
property open the developer tools and check the network requests for license request. Only for
the first playback attempt license requests will be visible. For any subsequent playback attempt
the existing MediaKeySession is reused and no additional license requests are performed.</p>
<p>For a detailed explanation on DRM playback in dash.js checkout the
<a href="https://github.com/Dash-Industry-Forum/dash.js/wiki/Digital-Rights-Management-(DRM)-and-license-acquisition"
target="_blank">Wiki</a>.</p>
</div>
</div>
<div class="col-md-8">
<div>
<video controls="true"></video>
</div>
<div>
<button class="btn-primary" id="attach_button">(Re)attach Source</button>
</div>
</div>
</div>
<div class="row" style="margin-top:20px">
<div class="col-md-12">
<div id="code-output"></div>
</div>
</div>
<footer class="pt-3 mt-4 text-muted border-top">
&copy; DASH-IF
</footer>
</div>
</main>


<script>
document.addEventListener('DOMContentLoaded', function () {
check();
init();
});
</script>
<script src="../highlighter.js"></script>
</body>
</html>
14 changes: 14 additions & 0 deletions samples/samples.json
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Expand Up @@ -391,6 +391,20 @@
"Video",
"Audio"
]
},
{
"title": "DRM - Keep MediaKeySession",
"description": "This example shows how the ProtectionController and the created MediaKeys and MediaKeySessions will be preserved during the MediaPlayer lifetime leading to less license requests.",
"href": "drm/keepProtectionKeys.html",
"image": "lib/img/tos-2.jpg",
"labels": [
"VoD",
"DRM",
"Widevine",
"Playready",
"Video",
"Audio"
]
}
]
},
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