content/media/test/test_streams_element_capture.html

Fri, 16 Jan 2015 04:50:19 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 04:50:19 +0100
branch
TOR_BUG_9701
changeset 13
44a2da4a2ab2
permissions
-rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <head>
michael@0 4 <title>Test that a MediaStream captured from one element plays back in another</title>
michael@0 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
michael@0 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
michael@0 7 <script type="text/javascript" src="manifest.js"></script>
michael@0 8 </head>
michael@0 9 <body>
michael@0 10 <pre id="test">
michael@0 11 <script class="testbody" type="text/javascript">
michael@0 12 SimpleTest.waitForExplicitFinish();
michael@0 13
michael@0 14 var manager = new MediaTestManager;
michael@0 15
michael@0 16 function checkDrawImage(vout) {
michael@0 17 var canvas = document.createElement("canvas");
michael@0 18 var ctx = canvas.getContext("2d");
michael@0 19 ctx.drawImage(vout, 0, 0);
michael@0 20 var imgData = ctx.getImageData(0, 0, 1, 1);
michael@0 21 is(imgData.data[3], 255, "Check video frame pixel has been drawn");
michael@0 22 }
michael@0 23
michael@0 24 function startTest(test, token) {
michael@0 25 manager.started(token);
michael@0 26
michael@0 27 var v = document.createElement('video');
michael@0 28 var vout = document.createElement('video');
michael@0 29 vout.token = token;
michael@0 30
michael@0 31 v.src = test.name;
michael@0 32 var stream = v.mozCaptureStreamUntilEnded();
michael@0 33 is(stream.currentTime, 0, test.name + " stream initial currentTime");
michael@0 34 vout.mozSrcObject = stream;
michael@0 35 is(vout.mozSrcObject, stream, test.name + " set output element .srcObject correctly");
michael@0 36
michael@0 37 var checkEnded = function(test, vout, stream) { return function() {
michael@0 38 is(stream.currentTime, vout.currentTime, test.name + " stream final currentTime");
michael@0 39 if (test.duration) {
michael@0 40 ok(Math.abs(vout.currentTime - test.duration) < 0.1,
michael@0 41 test.name + " current time at end: " + vout.currentTime + " should be: " + test.duration);
michael@0 42 }
michael@0 43 is(vout.readyState, vout.HAVE_CURRENT_DATA, test.name + " checking readyState");
michael@0 44 ok(vout.ended, test.name + " checking playback has ended");
michael@0 45 if (test.type.match(/^video/)) {
michael@0 46 checkDrawImage(vout);
michael@0 47 }
michael@0 48 vout.parentNode.removeChild(vout);
michael@0 49 manager.finished(vout.token);
michael@0 50 }}(test, vout, stream);
michael@0 51 vout.addEventListener("ended", checkEnded, false);
michael@0 52
michael@0 53 document.body.appendChild(vout);
michael@0 54 v.play();
michael@0 55 vout.play();
michael@0 56 }
michael@0 57
michael@0 58 manager.runTests(gSmallTests, startTest);
michael@0 59 </script>
michael@0 60 </pre>
michael@0 61 </body>
michael@0 62 </html>

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