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Bug 664918. Part 10: Add test_streams_element_capture.html to test capturing a media element into a stream and playing that stream through another media element.

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The test also tests that capturing MediaStream video into a canvas works.
This commit is contained in:
Robert O'Callahan 2012-04-30 15:13:01 +12:00
parent 8470d77f34
commit 9df9e33428
2 changed files with 63 additions and 0 deletions
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1
content/media/test/Makefile.in
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@ -150,6 +150,7 @@ _TEST_FILES = \
test_source.html \
test_source_write.html \
test_standalone.html \
test_streams_element_capture.html \
test_timeupdate_small_files.html \
test_too_many_elements.html \
test_volume.html \

62
content/media/test/test_streams_element_capture.html Normal file
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@ -0,0 +1,62 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Test that a MediaStream captured from one element plays back in another</title>
<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>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var manager = new MediaTestManager;
function checkDrawImage(vout) {
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");
ctx.drawImage(vout, 0, 0);
var imgData = ctx.getImageData(0, 0, 1, 1);
is(imgData.data[3], 255, "Check video frame pixel has been drawn");
}
function startTest(test, token) {
manager.started(token);
var v = document.createElement('video');
var vout = document.createElement('video');
vout.token = token;
v.src = test.name;
var stream = v.mozCaptureStreamUntilEnded();
is(stream.currentTime, 0, test.name + " stream initial currentTime");
vout.src = stream;
is(vout.src, stream, test.name + " set output element .src correctly");
var checkEnded = function(test, vout, stream) { return function() {
is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
if (test.duration) {
ok(Math.abs(vout.currentTime - test.duration) < 0.1,
test.name + " current time at end: " + vout.currentTime + " should be: " + test.duration);
}
is(vout.readyState, vout.HAVE_CURRENT_DATA, test.name + " checking readyState");
ok(vout.ended, test.name + " checking playback has ended");
if (test.type.match(/^video/)) {
checkDrawImage(vout);
}
vout.parentNode.removeChild(vout);
manager.finished(vout.token);
}}(test, vout, stream);
vout.addEventListener("ended", checkEnded, false);
document.body.appendChild(vout);
v.play();
vout.play();
}
manager.runTests(gSmallTests, startTest);
</script>
</pre>
</body>
</html>