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test_sequence2.html
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test_sequence2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>MediaSource Test</title>
<meta name="description" content="" />
<script>
var ms,
sourceBuffer,
video,
baseUrl = "http://origintest.cloudapp.net/media/SintelTrailer_Smooth_from_WAME_720p_Main_Profile/sintel_trailer-720p.ism/",
mimetype,
codec,
loaded = 0,
initialization,
frags,
playbackStarted = false;
function loadVideo() {
mimetype = "video/mp4";
codec = "avc1.4D4020";
initialization = baseUrl + "QualityLevels(1000000)/Fragments(video=i,format=mpd-time-csf)";
frags = [];
frags.push(baseUrl + "QualityLevels(1000000)/Fragments(video=0,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(1000000)/Fragments(video=19999967,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(1000000)/Fragments(video=39999935,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(1000000)/Fragments(video=59999904,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(1000000)/Fragments(video=79999871,format=mpd-time-csf)");
load();
}
function loadAudio() {
mimetype = "audio/mp4";
codec = "mp4a.40.2";
initialization = baseUrl + "QualityLevels(96000)/Fragments(audio=i,format=mpd-time-csf)";
frags = [];
frags.push(baseUrl + "QualityLevels(96000)/Fragments(audio=0,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(96000)/Fragments(audio=20201360,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(96000)/Fragments(audio=40170521,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(96000)/Fragments(audio=60139682,format=mpd-time-csf)");
frags.push(baseUrl + "QualityLevels(96000)/Fragments(audio=80108843,format=mpd-time-csf)");
load();
}
function load() {
console.log("FRAGMENTS:");
console.log(frags);
console.log("START");
window.MediaSource = window.MediaSource || window.WebKitMediaSource;
ms = new MediaSource();
video = document.querySelector('video');
video.src = window.URL.createObjectURL(ms);
ms.addEventListener('webkitsourceopen', opened, false);
ms.addEventListener('webkitsourceclose', closed, false);
}
function opened() {
var value = mimetype + ';codecs="' + codec + '"',
url = initialization;
console.log("OPENED");
console.log(value);
sourceBuffer = ms.addSourceBuffer(value);
console.log("LOAD INIT");
var req = new XMLHttpRequest();
req.responseType = "arraybuffer";
req.open("GET", url, true);
req.onload = function () {
console.log("INIT DONE LOADING");
sourceBuffer.append(new Uint8Array(req.response));
loadNext();
}
req.onerror = function () {
alert("Could not load init.");
}
req.send();
}
function loadNext() {
if (loaded >= frags.length) {
console.log("EVERYTHING IS LOADED!");
return;
}
var url = frags[loaded],
i,
len,
ranges = sourceBuffer.buffered;
console.log("--STATUS-------");
console.log("CURRENT TIME: " + video.currentTime);
console.log("BUFFERED RANGES: " + ranges.length);
for (i = 0, len = ranges.length; i < len; i += 1) {
console.log("RANGE: " + ranges.start(i) + " - " + ranges.end(i));
}
console.log("---------------");
console.log("LOAD FRAGMENT: " + url);
var req = new XMLHttpRequest();
req.responseType = "arraybuffer";
req.open("GET", url, true);
req.onload = function () {
console.log("FRAGMENT DONE LOADING");
sourceBuffer.append(new Uint8Array(req.response));
if (!playbackStarted) {
playbackStarted = true;
video.play();
video.currentTime = sourceBuffer.buffered.start(0);
}
loaded += 1;
loadNext();
}
req.onerror = function () {
alert("Could not load fragment.");
}
req.send();
}
function closed() {
alert("MediaSource Closed.");
}
</script>
</head>
<body>
<button type="button" onclick="loadVideo()">Load Video</button>
<button type="button" onclick="loadAudio()">Load Audio</button>
<video controls autoplay width="320" height="240"></video>
</body>
</html>