gecko-dev/dom/media/test/test_video_to_canvas.html

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1.8 KiB
HTML
Исходник Обычный вид История

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=486646
-->
<head>
<title>Test for Bug 486646</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/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>
<script class="testbody" type="text/javascript">
var manager = new MediaTestManager;
function loaded(e) {
var v = e.target;
ok(v.readyState >= v.HAVE_CURRENT_DATA,
"readyState must be >= HAVE_CURRENT_DATA for " + v._name);
var canvas = document.createElement("canvas");
canvas.width = v.videoWidth;
canvas.height = v.videoHeight;
document.body.appendChild(canvas);
var ctx = canvas.getContext("2d");
try {
ctx.drawImage(v, 0, 0);
ok(true, "Shouldn't throw exception while drawing to canvas from video for " + v._name);
} catch (ex) {
ok(false, "Shouldn't throw exception while drawing to canvas from video for " + v._name);
}
v._finished = true;
v.parentNode.removeChild(v);
manager.finished(v.token);
}
function startTest(test, token) {
var type = getMajorMimeType(test.type);
if (type != "video")
return;
var v = document.createElement('video');
v.token = token;
manager.started(token);
v.src = test.name;
v._name = test.name;
v._finished = false;
v.autoplay = true;
v.style.display = "none";
v.addEventListener("ended", loaded, false);
document.body.appendChild(v);
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [["media.cache_size", 40000]]}, beginTest);
function beginTest() {
manager.runTests(gSmallTests, startTest);
}
</script>
</pre>
</body>
</html>