gecko-dev/content/media/test/test_can_play_type_mpeg.html

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Исходник Обычный вид История

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=799315
-->
<head>
<title>Test for MP4 and MP3 support</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<video id="v"></video>
<pre id="test">
<script src="can_play_type_mpeg.js"></script>
<script>
function IsWindowsVistaOrLater() {
var re = /Windows NT (\d.\d)/;
var winver = navigator.userAgent.match(re);
return winver && winver.length == 2 && parseFloat(winver[1]) >= 6.0;
}
function getMediaPref(name) {
// Can't use SpecialPowers.getBoolPref because it throws when pref isn't
// present, and for example on non-Windows systems the WMF prefs won't be
// present.
var pref = false;
var prefService = SpecialPowers.wrap(SpecialPowers.Components)
.classes["@mozilla.org/preferences-service;1"]
.getService(SpecialPowers.Ci.nsIPrefService);
var branch = prefService.getBranch("media.");
try {
pref = branch.getBoolPref(name);
} catch(ex) { }
return pref;
}
var haveMp4 = (getMediaPref("windows-media-foundation.enabled") && IsWindowsVistaOrLater()) ||
getMediaPref("omx.enabled") ||
getMediaPref("gstreamer.enabled");
// TODO: Add "getMediaPref("plugins.enabled")" once MP4 works on Gingerbread.
check_mp4(document.getElementById('v'), haveMp4);
mediaTestCleanup();
</script>
</pre>
</body>
</html>