| <!doctype html> |
| <html> |
| <head> |
| <title>Assigning mediastream to a video element</title> |
| <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#navigatorusermedia"> |
| </head> |
| <body> |
| <p class="instructions">When prompted, accept to share your video stream.</p> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that the MediaStream object returned by |
| the success callback in getUserMedia can be properly assigned to a video element |
| via the <code>srcObject</code> attribute.</p> |
| |
| <video id="vid"></video> |
| |
| <div id='log'></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| var vid = document.getElementById("vid"); |
| var t = async_test("Tests that a MediaStream can be assigned to a video element with srcObject", {timeout: 10000}); |
| t.step(function() { |
| navigator.mediaDevices.getUserMedia({video: true}) |
| .then(t.step_func(function (stream) { |
| var testOncePlaying = function() { |
| assert_equals(vid.played.length, 1, "A MediaStream's timeline always consists of a single range"); |
| assert_equals(vid.played.start(0), 0, "A MediaStream's timeline always consists of a single range"); |
| assert_approx_equals(vid.played.end(0), vid.currentTime, 0.0001, "A MediaStream's timeline always consists of a single range"); |
| assert_equals(vid.readyState, vid.HAVE_ENOUGH_DATA, "Upon selecting a media stream, the UA sets readyState to HAVE_ENOUGH_DATA"); |
| assert_equals(vid.duration, Infinity, " A MediaStream does not have a pre-defined duration. "); |
| var time = vid.currentTime; |
| |
| assert_approx_equals(vid.currentTime, time, 0.0001, "The UA MUST ignore attempts to set the currentTime attribute"); |
| // TODO add test that duration must be set to currentTime |
| // when mediastream is destroyed |
| vid.removeEventListener("timeupdate", testOncePlaying, false); |
| t.done(); |
| } |
| vid.addEventListener("timeupdate", t.step_func(testOncePlaying), false); |
| vid.srcObject = stream; |
| vid.play(); |
| assert_true(!vid.seeking, "A MediaStream is not seekable"); |
| assert_equals(vid.seekable.length, 0, "A MediaStream is not seekable"); |
| assert_equals(vid.defaultPlaybackRate, 1, "playback rate is always 1"); |
| assert_equals(vid.playbackRate, 1, "playback rate is always 1"); |
| assert_equals(vid.buffered.length, 0, "A MediaStream cannot be preloaded. Therefore, there is no buffered timeranges"); |
| assert_equals(vid.duration, vid.readyState == vid.HAVE_NOTHING ? NaN : Infinity, " A MediaStream does not have a pre-defined duration. "); |
| }), function(error) {}); |
| }); |
| </script> |
| </body> |
| </html> |
