LayoutTests/media/encrypted-media/encrypted-media-playback-multiple-sessions.html - Issue 203323006: Add layout test for EME WD using multiple sessions

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Issue 203323006: Add layout test for EME WD using multiple sessions (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 9 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <title>Clear Key Playback with Multiple Sessions</title>

	5 <script src="encrypted-media-utils.js"></script>

	6 <script src="../w3c-media-utils.js"></script>

	7 <script src="../../resources/testharness.js"></script>

	8 <script src="../../resources/testharnessreport.js"></script>

	9 </head>

	10 <body>

	11 <video id="testVideo"></video>

	12 <div id="log"></div>

	13 <p>Test playback of encrypted media using Clear Key key system with mult iple sessions.</p>

	14 <script>

	15 async_test(function(test)

	16 {

	17 var video = document.getElementById("testVideo");

	18 var mediaKeys = new MediaKeys("org.w3.clearkey");

	19 var mediaKeyAudioSession = null;

	20 var mediaKeyVideoSession = null;
	xhwang 2014/03/19 01:22:00 nit: audioMediaKeySession/videoMediaKeySession ? nit: audioMediaKeySession/videoMediaKeySession ? jrummell 2014/03/20 22:55:33 Done. Show quoted text On 2014/03/19 01:22:00, xhwang wrote: > nit: audioMediaKeySession/videoMediaKeySession ? Done.
	21 var audioSessionReadyReceived = false;

	22 var videoSessionReadyReceived = false;

	23

	24 // The 2 streams use different key ids, but the keys are the

	25 // same.

	26 var audioKeyId = "0123456789";

	27 var audioKey = new Uint8Array([0x7D, 0xE2, 0x6B, 0xE4, 0xD2, 0xC 2, 0x2F, 0xD7,

	28 0xD7, 0x7A, 0x1F, 0x4C, 0xA5, 0xA 9, 0x97, 0x0F]);

	29 var videoKeyId = "0123456789012345";

	30 var videoKey = audioKey;

	31

	32 function onNeedKey(event)

	33 {

	34 assert_equals(event.target, video);

	35 assert_true(event instanceof window.MediaKeyNeededEvent);

	36 assert_equals(event.type, "needkey");

	37

	38 // Ideally we could just look at event.contentType, but it

	39 // is used to specify the encoding format, not the stream

	40 // (and both streams are webm).

	41 var keyId = String.fromCharCode.apply(null, event.initData);

	42 if (keyId == videoKeyId) {

	43 assert_equals(mediaKeyVideoSession, null);

	44 mediaKeyVideoSession = mediaKeys.createSession(event.con tentType, event.initData);

	45 waitForEventAndRunStep("message", mediaKeyVideoSession, onVideoMessage, test);

	46 } else {

	47 assert_equals(keyId, audioKeyId);

	48 assert_equals(mediaKeyAudioSession, null);

	49 mediaKeyAudioSession = mediaKeys.createSession(event.con tentType, event.initData);

	50 waitForEventAndRunStep("message", mediaKeyAudioSession, onAudioMessage, test);

	51 }

	52 }

	53

	54 function onAudioMessage(event)

	55 {

	56 assert_true(event instanceof window.MediaKeyMessageEvent);

	57 assert_equals(event.target, mediaKeyAudioSession);

	58 assert_equals(event.type, "message");

	59

	60 var keyId = event.message;

	61 assert_equals(String.fromCharCode.apply(null, keyId), audioK eyId);

	62 var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId , audioKey)));

	63 mediaKeyAudioSession.update(jwkSet);

	64 waitForEventAndRunStep("ready", mediaKeyAudioSession, onAudi oReady, test);

	65 }

	66

	67 function onVideoMessage(event)

	68 {

	69 assert_true(event instanceof window.MediaKeyMessageEvent);

	70 assert_equals(event.target, mediaKeyVideoSession);

	71 assert_equals(event.type, "message");

	72

	73 var keyId = event.message;

	74 assert_equals(String.fromCharCode.apply(null, keyId), videoK eyId);

	75 var jwkSet = stringToUint8Array(createJWKSet(createJWK(keyId , videoKey)));

	76 mediaKeyVideoSession.update(jwkSet);

	77 waitForEventAndRunStep("ready", mediaKeyVideoSession, onVide oReady, test);

	78 }
	xhwang 2014/03/19 01:22:00 It seems we can combine onAudioMessage and onVideo It seems we can combine onAudioMessage and onVideoMessage to reduce some duplicate codes. jrummell 2014/03/20 22:55:33 It doesn't really save that much duplication (most Show quoted text On 2014/03/19 01:22:00, xhwang wrote: > It seems we can combine onAudioMessage and onVideoMessage to reduce some > duplicate codes. It doesn't really save that much duplication (most lines have audio/video specific variables), but done to make it clearer they are for basically the same event.
	79

	80 function onAudioReady(event)

	81 {

	82 assert_true(event instanceof window.Event);

	83 assert_equals(event.target, mediaKeyAudioSession);

	84 assert_equals(event.type, "ready");

	85 audioSessionReadyReceived = true;

	86 }

	87

	88 function onVideoReady(event)

	89 {

	90 assert_true(event instanceof window.Event);

	91 assert_equals(event.target, mediaKeyVideoSession);

	92 assert_equals(event.type, "ready");

	93 videoSessionReadyReceived = true;

	94 }
	xhwang 2014/03/19 01:22:00 ditto for combining methods to reduce duplicate co ditto for combining methods to reduce duplicate codes. jrummell 2014/03/20 22:55:33 Done. Show quoted text On 2014/03/19 01:22:00, xhwang wrote: > ditto for combining methods to reduce duplicate codes. Done.
	95

	96 function onPlaying(event)

	97 {

	98 // Not using waitForEventAndRunStep() to avoid too many EVEN T(onTimeUpdate) logs.

	99 video.addEventListener("timeupdate", onTimeUpdate, true);

	100 }

	101

	102 function onTimeUpdate(event)

	103 {

	104 if (!audioSessionReadyReceived \|\| !videoSessionReadyReceived )

	105 return;

	106 if (event.target.currentTime < 0.2)

	107 return;
	xhwang 2014/03/19 01:22:00 If audio key is provided but video key is not prov If audio key is provided but video key is not provided, will playback still proceed and this test still pass? It's at least worth checking. jrummell 2014/03/20 22:55:33 If I change onVideoMessage() to do nothing, the Pl Show quoted text On 2014/03/19 01:22:00, xhwang wrote: > If audio key is provided but video key is not provided, will playback still > proceed and this test still pass? It's at least worth checking. If I change onVideoMessage() to do nothing, the Playing event never happens and the test timeouts.
	108

	109 test.done();

	110 }

	111

	112 waitForEventAndRunStep("needkey", video, onNeedKey, test);

	113 waitForEventAndRunStep("playing", video, onPlaying, test);

	114

	115 video.src = "../content/test-encrypted-2-keys.webm";
	xhwang 2014/03/19 01:22:00 This file is a bit confusing. It's called 2-keys b This file is a bit confusing. It's called 2-keys but really it's 1-key-for-2-keyIds. Can we actually get a file that uses two different keys for audio/video streams? jrummell 2014/03/20 22:55:33 Done. Show quoted text On 2014/03/19 01:22:00, xhwang wrote: > This file is a bit confusing. It's called 2-keys but really it's > 1-key-for-2-keyIds. Can we actually get a file that uses two different keys for > audio/video streams? Done.
	116 video.setMediaKeys(mediaKeys);

	117 video.play();

	118 }, "Playback using Clear Key key system with multiple sessions.");

	119 </script>

	120 </body>

	121 </html>

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