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<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
<head>
<title>Multiple playbacks alternating between encrypted and clear sources.</title>
<script src="encrypted-media-utils.js"></script>
<!--
Test has been migrated to the root directory and is being disabled here.
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
-->
</head>
<body>
<video id="testVideo"></video>
<div id="log"></div>
<script>
async_test(function(test)
{
var video = document.getElementById('testVideo');
var isUpdatePromiseResolved = false;
var encryptedEventCount = 0;
var playbackCount = 0;
// Content to be played. These files must be the same format.
var encryptedContent = 'webm/test-encrypted.webm';
var unencryptedContent = 'webm/test.webm';
var rawKey = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
function onEncrypted(event)
{
assert_equals(event.target, video);
assert_true(event instanceof window.MediaEncryptedEvent);
assert_equals(event.type, 'encrypted');
// The same decryption key is used by both the audio and
// the video streams so only create a session once. To
// avoid issues when comparing the expected.txt file
// (which logs the events in the order they occur), create
// the session on the second event. This also ensures we
// see both events.
if (++encryptedEventCount != 2)
return;
assert_false(video.mediaKeys === null, "video.mediaKeys is null.");
var mediaKeySession = video.mediaKeys.createSession();
waitForEventAndRunStep('message', mediaKeySession, onMessage, test);
mediaKeySession.generateRequest(event.initDataType, event.initData).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
function onMessage(event)
{
assert_true(event instanceof window.MediaKeyMessageEvent);
assert_equals(event.type, 'message');
assert_equals(event.messageType, 'license-request');
var keyId = extractSingleKeyIdFromMessage(event.message);
var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId, rawKey)));
event.target.update(jwkSet).then(function(result) {
isUpdatePromiseResolved = true;
}).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
function onPlaying(event)
{
// Not using waitForEventAndRunStep() to avoid too many
// EVENT(onTimeUpdate) logs.
video.addEventListener('timeupdate', onTimeUpdate, true);
}
function onTimeUpdate(event)
{
if (event.target.currentTime < 0.2 || !isUpdatePromiseResolved)
return;
video.removeEventListener('timeupdate', onTimeUpdate, true);
if (playbackCount > 2) {
test.done();
return;
}
playbackCount++;
resetSrc().then(function(){
startPlayback();
});
}
function resetSrc() {
encryptedEventCount = 0;
video.removeAttribute('src');
video.load();
return video.setMediaKeys(null);
}
function startPlayback() {
// Alternate between encrypted and unencrypted files.
if (playbackCount % 2) {
// Unencrypted files don't require MediaKeys.
video.src = unencryptedContent;
video.play();
return;
}
navigator.requestMediaKeySystemAccess('org.w3.clearkey', getConfigurationForFile(encryptedContent)).then(function(access) {
return access.createMediaKeys();
}).then(function(mediaKeys) {
return video.setMediaKeys(mediaKeys);
}).then(function(result) {
video.src = encryptedContent;
assert_false(video.mediaKeys === null, "video.mediaKeys is null.");
video.play();
}).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
waitForEventAndRunStep('playing', video, onPlaying, test);
waitForEventAndRunStep('encrypted', video, onEncrypted, test);
startPlayback();
}, 'Multiple playbacks alternating between encrypted and clear sources.');
</script>
</body>
</html>
|
