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Test Info: Warnings

  • This test gets skipped with pattern: (os == "win" && processor == "aarch64") toolkit == 'android' (verify && debug && (os == 'mac'))
<title>Test Encrypted Media Extensions</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<script type="text/javascript" src="eme.js"></script>
<audio controls id="audio"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
// Tests that a fragmented MP4 file without a PSSH, but with valid encrypted
// tracks with valid TENC boxes, is able to load with EME.
// We setup MSE before starting up EME, so that we exercise the "waiting for
// cdm" step in the MediaDecoderStateMachine.
var pssh = [
0x00, 0x00, 0x00, 0x00,
0x70, 0x73, 0x73, 0x68, // BMFF box header (76 bytes, 'pssh')
0x01, 0x00, 0x00, 0x00, // Full box header (version = 1, flags = 0)
0x10, 0x77, 0xef, 0xec, 0xc0, 0xb2, 0x4d, 0x02, // SystemID
0xac, 0xe3, 0x3c, 0x1e, 0x52, 0xe2, 0xfb, 0x4b,
0x00, 0x00, 0x00, 0x01, // KID_count (1)
0x2f, 0xef, 0x8a, 0xd8, 0x12, 0xdf, 0x42, 0x97,
0x83, 0xe9, 0xbf, 0x6e, 0x5e, 0x49, 0x3e, 0x53,
0x00, 0x00, 0x00, 0x00 // Size of Data (0)
var audio = document.getElementById("audio");
function LoadEME() {
var options = [{
initDataType: 'cenc',
audioType: 'audio/mp4; codecs="mp4a.40.2"',
navigator.requestMediaKeySystemAccess("org.w3.clearkey", options)
.then((keySystemAccess) => {
return keySystemAccess.createMediaKeys();
}, bail("Failed to request key system access."))
.then((mediaKeys) => {
var session = mediaKeys.createSession();
once(session, "message", (message) => {
is(message.messageType, 'license-request', "Expected a license-request");
var license = new TextEncoder().encode(JSON.stringify({
'keys': [{
'type': 'temporary'
session.generateRequest('cenc', new Uint8Array(pssh));
function DownloadMedia(url, type, mediaSource) {
return new Promise(function(resolve, reject) {
var sourceBuffer = mediaSource.addSourceBuffer(type);
fetchWithXHR(url, (response) => {
once(sourceBuffer, "updateend", resolve);
sourceBuffer.appendBuffer(new Uint8Array(response));
function LoadMSE() {
var ms = new MediaSource();
audio.src = URL.createObjectURL(ms);
once(ms, "sourceopen", ()=>{
DownloadMedia('short-audio-fragmented-cenc-without-pssh.mp4', 'audio/mp4; codecs="mp4a.40.2"', ms)
.then(() => { ms.endOfStream(); LoadEME();});
audio.addEventListener("loadeddata", SimpleTest.finish);