content/media/test/test_fastSeek.html@8bccb770b82d
content/media/test/test_fastSeek.html
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=778077
5 -->
6 <head>
7 <meta charset="utf-8">
8 <title>Test for Bug 778077</title>
9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
11 <script type="text/javascript" src="manifest.js"></script>
12 </head>
13 <body>
14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=778077">Mozilla Bug 778077</a>
15 <p id="display"></p>
16 <div id="content" style="display: none">
18 </div>
19 <pre id="test">
20 </pre>
21 <script type="application/javascript">
23 /** Test for Bug 778077 - HTMLMediaElement.fastSeek() **/
24 // Iterate through a list of keyframe timestamps, and seek to
25 // halfway between the keyframe and the keyframe after it.
26 var manager = new MediaTestManager;
28 function doSeek(v) {
29 // fastSeek to half way between this keyframe and the next, or if this is the last
30 // keyframe seek to halfway between this keyframe and the end of media.
31 var nextKeyFrame = (v.keyframeIndex + 1) < v.keyframes.length ? v.keyframes[v.keyframeIndex + 1] : v.duration;
32 v.target = (v.keyframes[v.keyframeIndex] + nextKeyFrame) / 2;
33 v.fastSeek(v.target);
34 ok(Math.abs(v.currentTime - v.target) < 0.01,
35 v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime + ") should be close to seek target initially");
36 }
38 function onloadedmetadata(event) {
39 var v = event.target;
40 doSeek(v);
41 }
43 function onseeked(event) {
44 var v = event.target;
45 var keyframe = v.keyframes[v.keyframeIndex];
47 // Check that the current time ended up roughly after the keyframe.
48 // We must be a bit fuzzy here, as the decoder backend may actually
49 // seek to the audio sample prior to the keyframe.
50 ok(v.currentTime >= keyframe - 0.05,
51 v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
52 ") should be end up roughly after keyframe (" + keyframe + ") after fastSeek");
54 ok(v.currentTime <= v.target,
55 v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
56 ") should be end up less than target after fastSeek");
58 v.keyframeIndex++
59 if (v.keyframeIndex == v.keyframes.length) {
60 v.src = "";
61 v.parentNode.removeChild(v);
62 manager.finished(v.token);
63 } else {
64 doSeek(v);
65 }
66 }
68 function startTest(test, token) {
69 manager.started(token);
70 v = document.createElement("video");
71 v.src = test.name;
72 v.name = test.name;
73 v.preload = "metadata";
74 v.token = token;
75 v.target = 0;
76 v.keyframes = test.keyframes;
77 v.keyframeIndex = 0;
78 ok(v.keyframes.length > 0, v.name + " - video should have at least one sync point");
79 v.addEventListener("loadedmetadata", onloadedmetadata);
80 v.addEventListener("seeked", onseeked);
81 document.body.appendChild(v);
82 }
84 manager.runTests(gFastSeekTests, startTest);
86 </script>
87 </body>
88 </html>
