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<!DOCTYPE HTML>
<html>
<head>
<title>Test for bug 1073406. Pausing a video element should not pause another playing the same stream.</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>
<video id="video1" autoplay></video>
<video id="video2" autoplay></video>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var getVideoImagePixelData = function(v) {
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");
ctx.drawImage(v, 0, 0);
var imgData = ctx.getImageData(canvas.width/2, canvas.height/2, 1, 1).data;
return "r" + imgData[0] +
"g" + imgData[1] +
"b" + imgData[2] +
"a" + imgData[3];
}
// This test does not appear to work with the "Dummy video source" provided on
// linux through the "media.video_loopback_dev" pref in the tree test environment.
// We force a stream always by requesting `fake: true` here.
navigator.mozGetUserMedia({video: true, fake: true },
function(stream) {
var stream = stream;
var video1 = document.getElementById('video1');
var video2 = document.getElementById('video2');
var src = URL.createObjectURL(stream);
video1.src = src;
video2.src = src;
video1.onplaying = () => video1.pause();
var v1PausedImageData;
var v2PausedImageData;
video1.onpause = function() {
v1PausedImageData = getVideoImagePixelData(video1);
v2PausedImageData = getVideoImagePixelData(video2);
v2TimesToTest = 3;
video2.ontimeupdate = function() {
if (getVideoImagePixelData(video2) === v2PausedImageData) {
// Wait until video2 has progressed it's video.
// If it doesn't, we'll time out and fail.
info("video2 has not progressed. Waiting.");
return;
}
if (--v2TimesToTest > 0) {
// Wait for a while to be sure video1 would have gotten a frame
// if it is playing.
info("video2 progressed OK");
return;
}
video2.ontimeupdate = null;
ok(true, "video2 is playing");
isnot(video1.currentTime, video2.currentTime,
"v1 and v2 should not be at the same currentTime");
is(v1PausedImageData, getVideoImagePixelData(video1),
"video1 video frame should not have updated since video1 paused");
SimpleTest.finish();
};
};
}, function(error) {
ok(false, "getUserMedia should not fail, got " + error.name);
SimpleTest.finish();
});
</script>
</body>
</html>
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