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1 <!doctype html> | |
2 <html> | |
3 <head> | |
4 <title>Assigning mediastream to a video element</title> | |
5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> | |
6 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#na
vigatorusermedia"> | |
7 </head> | |
8 <body> | |
9 <p class="instructions">When prompted, accept to share your video stream.</p> | |
10 <h1 class="instructions">Description</h1> | |
11 <p class="instructions">This test checks that the MediaStream object returned by | |
12 the success callback in getUserMedia can be properly assigned to a video element | |
13 via the <code>srcObject</code> attribute.</p> | |
14 | |
15 <video id="vid"></video> | |
16 | |
17 <div id='log'></div> | |
18 <script src=/resources/testharness.js></script> | |
19 <script src=/resources/testharnessreport.js></script> | |
20 <script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["na
vigator"], "name":"getUserMedia"}]' data-prefixed-prototypes='[{"ancestors":["HT
MLMediaElement"],"name":"srcObject"}]'></script> | |
21 <script> | |
22 var vid = document.getElementById("vid"); | |
23 var t = async_test("Tests that a MediaStream can be assigned to a video element
with srcObject", {timeout: 10000}); | |
24 t.step(function() { | |
25 navigator.getUserMedia({video: true}, t.step_func(function (stream) { | |
26 var testOncePlaying = function() { | |
27 assert_equals(vid.played.length, 1, "A MediaStream's timeline always cons
ists of a single range"); | |
28 assert_equals(vid.played.start(0), 0, "A MediaStream's timeline always co
nsists of a single range"); | |
29 assert_equals(vid.played.end(0), vid.currentTime, "A MediaStream's timeli
ne always consists of a single range"); | |
30 assert_equals(vid.readyState, vid.HAVE_ENOUGH_DATA, "Upon selecting a med
ia stream, the UA sets readyState to HAVE_ENOUGH_DATA"); | |
31 var time = vid.currentTime; | |
32 assert_throws("INVALID_STATE_ERR", function() { | |
33 vid.currentTime = 0; | |
34 }); | |
35 assert_equals(vid.currentTime, time, "The UA MUST ignore attempts to set
the currentTime attribute"); | |
36 // TODO add test that duration must be set to currentTime | |
37 // when mediastream is destroyed | |
38 vid.removeEventListener("timeupdate", testOncePlaying, false); | |
39 t.done(); | |
40 } | |
41 vid.addEventListener("timeupdate", t.step_func(testOncePlaying), false); | |
42 vid.srcObject = stream; | |
43 vid.play(); | |
44 assert_true(!vid.seeking, "A MediaStream is not seekable"); | |
45 assert_equals(vid.seekable.length, 0, "A MediaStream is not seekable"); | |
46 assert_equals(vid.defaultPlaybackRate, 1, "playback rate is always 1"); | |
47 assert_equals(vid.playbackRate, 1, "playback rate is always 1"); | |
48 assert_equals(vid.buffered.length, 0, "A MediaStream cannot be preloaded. T
herefore, there is no buffered timeranges"); | |
49 assert_equals(vid.duration, Infinity, " A MediaStream does not have a pre-de
fined duration. "); | |
50 assert_equals(vid.startDate, NaN, " A MediaStream does not specify a timelin
e offset"); | |
51 }), function(error) {}); | |
52 }); | |
53 </script> | |
54 </body> | |
55 </html> | |
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