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<!DOCTYPE HTML>
<html>
<head>
<title>Test MediaRecorder Recording canvas stream that dynamically changes resolution</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<div id="content">
</div>
<script class="testbody" type="text/javascript">
function startTest() {
var content = document.getElementById("content");
var canvas = document.createElement("canvas");
canvas.width = canvas.height = 100;
var ctx = canvas.getContext("2d");
ctx.fillStyle = "red";
ctx.fillRect(0, 0, canvas.width, canvas.height);
var stream = canvas.captureStream(0);
var numErrorRaised = 0;
var numDataAvailabledRaised = 0;
mediaRecorder = new MediaRecorder(stream);
is(mediaRecorder.stream, stream,
"Media recorder stream = canvas stream at the start of recording");
mediaRecorder.onwarning = () => ok(false, "onwarning unexpectedly fired");
mediaRecorder.onerror = err => {
info("Got 'error' event, " + err.name + " (" + err.message + ")");
++numErrorRaised;
};
mediaRecorder.ondataavailable = ev => {
info("Got 'dataavailable' event");
++numDataAvailabledRaised;
};
mediaRecorder.onstart = () => {
canvas.width = canvas.height = canvas.width * 1.1;
ctx.fillStyle = "blue";
ctx.fillRect(0, 0, canvas.width, canvas.height);
stream.requestFrame();
};
mediaRecorder.onstop = () => {
info("Got 'stop' event");
is(numErrorRaised, 1, "Should have gotten 1 error event");
is(numDataAvailabledRaised, 1, "Should have gotten 1 dataavailable event");
SimpleTest.finish();
};
mediaRecorder.start();
is(mediaRecorder.state, "recording", "Media recorder should be recording");
}
SimpleTest.waitForExplicitFinish();
startTest();
</script>
</pre>
</body>
</html>
|
