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low-latency-short-buffer-playback.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Low-Latency (2): Short Buffer Playback</title>
<link rel="stylesheet" href="../lib/style.css" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="content-wrapper">
<div id="video-wrapper">
<video></video>
<div><div id="qr-code"></div></div>
<div><div id="status-text"></div></div>
</div>
<div>To show/hide debug overlay press up/down or button beneath</div>
<div id="debug-wrapper">
<div>
<div class="button" id="debug-button">Debug Overlay</div>
</div>
<div id="debug"></div>
<div id="log"></div>
</div>
</div>
<div id="info-overlay"></div>
<script src="../lib/mozilla/object-keys-polyfill.js"></script>
<script src="../lib/stefanpenner/es6-promise.min.js"></script>
<script src="../lib/player.js"></script>
<script src="../lib/manifest_parser.js"></script>
<script src="../lib/mpd-parser.js"></script>
<script src="../lib/wave-service.js"></script>
<script src="../lib/davidshimjs/qrcode.js"></script>
<script src="../lib/dpctf-testharness.js"></script>
<script src="../lib/hbbtv.js"></script>
<script>
// Global variables
var TEST_INFO = {
id: "low-latency-short-buffer-playback",
title: "Low-Latency (2): Short Buffer Playback",
description: "",
code: "{{TEMPLATE_NAME}}",
};
var video = document.querySelector("video");
var qrCode = document.getElementById("qr-code");
var statusText = document.getElementById("status-text");
var videoContentModel = "{{VIDEO_MPD_URL}}";
var audioContentModel = "{{AUDIO_MPD_URL}}";
var dpctfTest = new DpctfTest({
testInfo: TEST_INFO,
videoContentModel: videoContentModel,
audioContentModel: audioContentModel,
videoElement: video,
qrCodeElement: qrCode,
statusTextElement: statusText,
infoOverlayElement: document.getElementById("info-overlay"),
executeTest: executeTest,
usePlayout: false,
});
function executeTest(player, done, parameters) {
var minBufferDuration = parameters.minBufferDuration / 1000;
var maximumForwardBuffer = parameters.maximumForwardBuffer / 1000;
var waitingDuration = parameters.waitingDuration;
if (!maximumForwardBuffer)
done("Missing parameter 'maximum_froward_buffer'");
if (!waitingDuration) done("Missing parameter 'waiting_duration'");
dpctfTest.asyncTest(function (test) {
var query = location.search.replace(/\?/, "");
var match = query.match(/redirect_time=([^&]+)/);
var REDIRECT_TIME = match ? match[1] : null;
if (!REDIRECT_TIME) REDIRECT_TIME = 5;
video.addEventListener("ended", function (event) {
assert_true(true);
test.done();
});
}, "video ended event fired");
dpctfTest.asyncTest(function (test) {
function handleSegmentLoaded(event) {
if (player.getPreBufferedTime() < maximumForwardBuffer) return;
var timeout = {};
video.addEventListener("playing", function () {
clearTimeout(timeout.handle);
player.off(handleSegmentLoaded);
test.step(function () {
assert_true(true);
});
test.done();
done();
});
timeout.handle = setTimeout(function () {
player.off(handleSegmentLoaded);
test.step(function () {
assert_true(false);
});
test.done();
done();
}, waitingDuration);
player
.play()
.then(function () {})
.catch(function (error) {
done(error);
});
}
player.on("onVideoSegmentLoaded", handleSegmentLoaded);
player.startBuffering();
}, "video should change to playing state in time (" +
waitingDuration +
"ms)");
}
</script>
</body>
</html>