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Bug 1071482 - Factor out EME load/setup code, so it can be reused in other tests more easily. r=edwin
This commit is contained in:
Chris Pearce
parent
546c79ec45
commit
fe485d4440
174
dom/media/test/eme.js
Normal file
174
dom/media/test/eme.js
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@ -0,0 +1,174 @@
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const KEYSYSTEM_TYPE = "org.w3.clearkey";
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function bail(message)
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{
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return function(err) {
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ok(false, message);
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if (err) {
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info(err);
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}
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SimpleTest.finish();
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}
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}
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function ArrayBufferToString(arr)
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{
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var str = '';
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var view = new Uint8Array(arr);
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for (var i = 0; i < view.length; i++) {
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str += String.fromCharCode(view[i]);
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}
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return str;
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}
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function StringToArrayBuffer(str)
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{
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var arr = new ArrayBuffer(str.length);
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var view = new Uint8Array(arr);
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for (var i = 0; i < str.length; i++) {
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view[i] = str.charCodeAt(i);
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}
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return arr;
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}
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function Base64ToHex(str)
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{
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var bin = window.atob(str.replace(/-/g, "+").replace(/_/g, "/"));
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var res = "";
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for (var i = 0; i < bin.length; i++) {
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res += ("0" + bin.charCodeAt(i).toString(16)).substr(-2);
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}
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return res;
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}
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function HexToBase64(hex)
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{
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var bin = "";
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for (var i = 0; i < hex.length; i += 2) {
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bin += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
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}
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return window.btoa(bin).replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
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}
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function UpdateSessionFunc(test) {
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return function(ev) {
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var msgStr = ArrayBufferToString(ev.message);
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var msg = JSON.parse(msgStr);
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info("got message from CDM: " + msgStr);
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is(msg.type, test.sessionType, "Key session type should match");
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ok(msg.kids, "message event should contain key ID array");
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var outKeys = [];
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for (var i = 0; i < msg.kids.length; i++) {
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var id64 = msg.kids[i];
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var idHex = Base64ToHex(msg.kids[i]).toLowerCase();
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var key = test.keys[idHex];
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if (key) {
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info("found key " + key + " for key id " + idHex);
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outKeys.push({
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"kty":"oct",
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"alg":"A128KW",
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"kid":id64,
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"k":HexToBase64(key)
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});
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} else {
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bail("Couldn't find key for key id " + idHex);
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}
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}
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var update = JSON.stringify({
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"keys" : outKeys,
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"type" : msg.type
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});
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info("sending update message to CDM: " + update);
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ev.target.update(StringToArrayBuffer(update)).then(function() {
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info("MediaKeySession update ok!");
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}, bail("MediaKeySession update failed"));
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}
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}
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function PlayFragmented(test, elem)
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{
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return new Promise(function(resolve, reject) {
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var ms = new MediaSource();
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elem.src = URL.createObjectURL(ms);
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var sb;
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var curFragment = 0;
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function addNextFragment() {
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if (curFragment >= test.fragments.length) {
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ms.endOfStream();
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resolve();
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return;
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}
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var fragmentFile = test.fragments[curFragment++];
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var req = new XMLHttpRequest();
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req.open("GET", fragmentFile);
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req.responseType = "arraybuffer";
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req.addEventListener("load", function() {
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sb.appendBuffer(new Uint8Array(req.response));
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});
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info("fetching resource " + fragmentFile);
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req.send(null);
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}
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ms.addEventListener("sourceopen", function () {
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sb = ms.addSourceBuffer(test.type);
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sb.addEventListener("updateend", addNextFragment);
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addNextFragment();
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})
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});
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}
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// Returns a promise that is resovled when the media element is ready to have
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// its play() function called; when it's loaded MSE fragments, or once the load
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// has started for non-MSE video.
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function LoadTest(test, elem)
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{
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if (test.fragments) {
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return PlayFragmented(test, elem);
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}
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// This file isn't fragmented; set the media source normally.
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return new Promise(function(resolve, reject) {
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elem.src = test.name;
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resolve();
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});
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}
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function SetupEME(test, token, params)
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{
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var v = document.createElement("video");
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v.addEventListener("encrypted", function(ev) {
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info(token + " got encrypted event");
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MediaKeys.create(KEYSYSTEM_TYPE).then(function(mediaKeys) {
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info(token + " created MediaKeys object ok");
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mediaKeys.sessions = [];
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return v.setMediaKeys(mediaKeys);
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}, bail("failed to create MediaKeys object")).then(function() {
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info(token + " set MediaKeys on <video> element ok");
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var session = v.mediaKeys.createSession(test.sessionType);
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if (params && params.onsessioncreated) {
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params.onsessioncreated(session);
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}
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session.addEventListener("message", UpdateSessionFunc(test));
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session.generateRequest(ev.initDataType, ev.initData).then(function() {
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}, bail(token + " Failed to initialise MediaKeySession"));
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}, bail(token + " Failed to set MediaKeys on <video> element"));
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});
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return v;
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}
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@ -140,6 +140,7 @@ support-files =
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dirac.ogg^headers^
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dynamic_redirect.sjs
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dynamic_resource.sjs
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eme.js
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gizmo-frag-cenc1.m4s
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gizmo-frag-cenc2.m4s
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gizmo-frag-cencinit.mp4
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@ -5,153 +5,13 @@
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript" src="manifest.js"></script>
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<script type="text/javascript" src="eme.js"></script>
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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var manager = new MediaTestManager;
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const KEYSYSTEM_TYPE = "org.w3.clearkey";
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function bail(message)
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{
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return function(err) {
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ok(false, message);
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if (err) {
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info(err);
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}
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SimpleTest.finish();
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}
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}
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function ArrayBufferToString(arr)
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{
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var str = '';
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var view = new Uint8Array(arr);
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for (var i = 0; i < view.length; i++) {
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str += String.fromCharCode(view[i]);
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}
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return str;
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}
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function StringToArrayBuffer(str)
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{
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var arr = new ArrayBuffer(str.length);
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var view = new Uint8Array(arr);
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for (var i = 0; i < str.length; i++) {
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view[i] = str.charCodeAt(i);
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}
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return arr;
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}
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function Base64ToHex(str)
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{
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var bin = window.atob(str.replace(/-/g, "+").replace(/_/g, "/"));
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var res = "";
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for (var i = 0; i < bin.length; i++) {
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res += ("0" + bin.charCodeAt(i).toString(16)).substr(-2);
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}
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return res;
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}
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function HexToBase64(hex)
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{
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var bin = "";
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for (var i = 0; i < hex.length; i += 2) {
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bin += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
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}
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return window.btoa(bin).replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
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}
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function UpdateSessionFunc(test) {
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return function(ev) {
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var msgStr = ArrayBufferToString(ev.message);
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var msg = JSON.parse(msgStr);
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info("got message from CDM: " + msgStr);
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is(msg.type, test.sessionType, "Key session type should match");
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ok(msg.kids, "message event should contain key ID array");
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var outKeys = [];
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for (var i = 0; i < msg.kids.length; i++) {
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var id64 = msg.kids[i];
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var idHex = Base64ToHex(msg.kids[i]).toLowerCase();
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var key = test.keys[idHex];
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if (key) {
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info("found key " + key + " for key id " + idHex);
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outKeys.push({
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"kty":"oct",
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"alg":"A128KW",
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"kid":id64,
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"k":HexToBase64(key)
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});
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} else {
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bail("Couldn't find key for key id " + idHex);
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}
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}
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var update = JSON.stringify({
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"keys" : outKeys,
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"type" : msg.type
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});
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info("sending update message to CDM: " + update);
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ev.target.update(StringToArrayBuffer(update)).then(function() {
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info("MediaKeySession update ok!");
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}, bail("MediaKeySession update failed"));
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}
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}
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function PlayFragmented(test, elem)
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{
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var ms = new MediaSource();
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elem.src = URL.createObjectURL(ms);
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var sb;
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var curFragment = 0;
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function addNextFragment() {
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if (curFragment >= test.fragments.length) {
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ms.endOfStream();
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elem.play();
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return;
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}
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var fragmentFile = test.fragments[curFragment++];
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var req = new XMLHttpRequest();
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req.open("GET", fragmentFile);
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req.responseType = "arraybuffer";
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req.addEventListener("load", function() {
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sb.appendBuffer(new Uint8Array(req.response));
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});
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info("fetching resource " + fragmentFile);
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req.send(null);
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}
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ms.addEventListener("sourceopen", function () {
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sb = ms.addSourceBuffer(test.type);
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sb.addEventListener("updateend", addNextFragment);
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addNextFragment();
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});
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}
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function PlayTest(test, elem)
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{
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if (test.fragments) {
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PlayFragmented(test, elem);
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return;
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}
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// This file isn't fragmented; set the media source normally.
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elem.src = test.name;
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elem.play();
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}
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function KeysChangeFunc(session, keys) {
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session.keyIdsReceived = [];
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@ -176,35 +36,24 @@ function startTest(test, token)
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{
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manager.started(test._token);
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var v = document.createElement("video");
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var sessions = [];
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var v = SetupEME(test, token,
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{
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onsessioncreated: function(session) {
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sessions.push(session);
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session.addEventListener("keyschange", KeysChangeFunc(session, test.keys), false);
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}
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}
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);
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var gotEncrypted = false;
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var gotPlaying = false;
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v.addEventListener("encrypted", function(ev) {
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gotEncrypted = true;
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info(token + " got encrypted event");
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ok(MediaKeys.isTypeSupported(KEYSYSTEM_TYPE, ev.initDataType, test.type),
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token + " MediaKeys should support this keysystem");
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MediaKeys.create(KEYSYSTEM_TYPE).then(function(mediaKeys) {
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info(token + " created MediaKeys object ok");
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mediaKeys.sessions = [];
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return v.setMediaKeys(mediaKeys);
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}, bail("failed to create MediaKeys object")).then(function() {
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info(token + " set MediaKeys on <video> element ok");
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ok(MediaKeys.isTypeSupported(KEYSYSTEM_TYPE, ev.initDataType, test.type),
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"MediaKeys should still support keysystem after CDM created...");
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var session = v.mediaKeys.createSession(test.sessionType);
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v.mediaKeys.sessions.push(session);
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session.addEventListener("keyschange", KeysChangeFunc(session, test.keys), false);
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session.addEventListener("message", UpdateSessionFunc(test));
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session.generateRequest(ev.initDataType, ev.initData).then(function() {
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}, bail(token + " Failed to initialise MediaKeySession"));
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}, bail(token + " Failed to set MediaKeys on <video> element"));
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gotEncrypted = true;
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});
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v.addEventListener("playing", function () { gotPlaying = true; });
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@ -220,9 +69,9 @@ function startTest(test, token)
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token + " Duration of video should be corrrect");
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ok(Math.abs(test.duration - v.currentTime) < 0.1,
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token + " Current time should be same as duration");
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// Verify all sessions had all keys went sent the to the CDM usable, and thus
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// that we received keyschange event(s).
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var sessions = v.mediaKeys.sessions;
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is(sessions.length, 1, "should have 1 session");
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for (var i = 0; i < sessions.length; i++) {
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var session = sessions[i];
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@ -231,11 +80,12 @@ function startTest(test, token)
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ok(session.keyIdsReceived[kid], "key with id " + kid + " was usable as expected");
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}
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}
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});
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});
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v.addEventListener("error", bail(token + " got error event"));
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PlayTest(test, v);
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LoadTest(test, v).then(function(){v.play();}, bail(token + " failed to load"));
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}
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function testIsTypeSupported()
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