зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.7 KiB
HTML
81 строка
2.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for bug 1073406. Pausing a video element should not pause another playing the same stream.</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript" src="manifest.js"></script>
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<script type="text/javascript" src="gUM_support.js"></script>
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</head>
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<body>
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<video id="video1" autoplay></video>
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<video id="video2" autoplay></video>
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<script class="testbody" type="text/javascript">
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async function startTest() {
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function getVideoImagePixelData(v) {
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let canvas = document.createElement("canvas");
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let ctx = canvas.getContext("2d");
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ctx.drawImage(v, 0, 0);
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let imgData = ctx.getImageData(canvas.width/2, canvas.height/2, 1, 1).data;
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return "r" + imgData[0] +
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"g" + imgData[1] +
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"b" + imgData[2] +
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"a" + imgData[3];
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}
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try {
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// This test expects fake devices so that the video color will change
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// over time, explicitly request fakes.
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await pushGetUserMediaTestPrefs({fakeAudio: true, fakeVideo: true});
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let stream = await navigator.mediaDevices.getUserMedia({video: true});
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let video1 = document.getElementById('video1');
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let video2 = document.getElementById('video2');
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video1.srcObject = stream;
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video2.srcObject = stream;
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video1.onloadeddata = () => video1.pause();
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let v1PausedImageData;
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let v2PausedImageData;
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video1.onpause = function() {
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v1PausedImageData = getVideoImagePixelData(video1);
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v2PausedImageData = getVideoImagePixelData(video2);
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v2TimesToTest = 3;
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video2.ontimeupdate = function() {
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if (getVideoImagePixelData(video2) === v2PausedImageData) {
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// Wait until video2 has progressed it's video.
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// If it doesn't, we'll time out and fail.
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info("video2 has not progressed. Waiting.");
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return;
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}
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if (--v2TimesToTest > 0) {
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// Wait for a while to be sure video1 would have gotten a frame
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// if it is playing.
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info("video2 progressed OK");
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return;
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}
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video2.ontimeupdate = null;
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ok(true, "video2 is playing");
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isnot(video1.currentTime, video2.currentTime,
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"v1 and v2 should not be at the same currentTime");
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is(v1PausedImageData, getVideoImagePixelData(video1),
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"video1 video frame should not have updated since video1 paused");
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SimpleTest.finish();
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};
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};
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} catch (error) {
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ok(false, "getUserMedia should not fail, got " + error.name);
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SimpleTest.finish();
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}
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}
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SimpleTest.waitForExplicitFinish();
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startTest();
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</script>
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</body>
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</html>
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