ds10-videomitschnitte beta
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
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<?xml-stylesheet type="text/xsl" href="../../xsl/html.xsl" ?>
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<item title="Datenspuren 2010: Video-Mitschnitte online (β)"
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date="2023-05-23T23:05:42"
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author="Astro">
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<image title="Datenspuren 2010">datenspuren.png</image>
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<p>
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Die erste Portion, probehalber.
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</p>
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<resource title="DS2010: Her mit den Daten!" size="456080984" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.jpg" hide="yes">
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<alternative size="254926606" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.webm"/>
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<alternative size="208319596" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.ogv"/>
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<alternative size="253865868" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3929.flv"/>
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</resource>
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<resource title="DS2010: Der Überwachungsstaat" size="363074323" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.jpg" hide="yes">
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<alternative size="233619364" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.webm"/>
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<alternative size="191707753" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.ogv"/>
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<alternative size="239679988" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3992.flv"/>
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</resource>
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<resource title="DS2010: Die Volkszählung 2011 in Sachsen und darüber hinaus" size="546729590" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.jpg" hide="yes">
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<alternative size="299792802" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.webm"/>
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<alternative size="223550011" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.ogv"/>
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<alternative size="304324108" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3980.flv"/>
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</resource>
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<resource title="DS2010: Communities verbinden!" size="219093976" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.jpg" hide="yes">
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<alternative size="114169933" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.webm"/>
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<alternative size="81847305" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.ogv"/>
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<alternative size="121971526" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4022.flv"/>
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</resource>
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<resource title="DS2010: E-Voting Crashkurs" size="385143008" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.jpg" hide="yes">
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<alternative size="204853533" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.webm"/>
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<alternative size="160468734" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.ogv"/>
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<alternative size="214372989" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_3940.flv"/>
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</resource>
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<resource title="DS2010: Wir wissen was du letzte Nacht getan hast" size="176937200" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4050.webm" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4050.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4050.jpg" hide="yes">
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<alternative size="151828479" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4050.ogv"/>
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<alternative size="185810995" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4050.flv"/>
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</resource>
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<resource title="DS2010: Privatsphäre im Informationszeitalter" size="454238057" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.jpg" hide="yes">
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<alternative size="309203480" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.webm"/>
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<alternative size="291792611" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.ogv"/>
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<alternative size="321021196" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4014.flv"/>
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</resource>
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<resource title="DS2010: Privacy-Kompetenz - ein Arbeitspsychologischer Ansatz zu einer Didaktik des Datenschutz." size="180868783" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4040.webm" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4040.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4040.jpg" hide="yes">
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<alternative size="145584346" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4040.ogv"/>
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<alternative size="191851311" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4040.flv"/>
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</resource>
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<resource title="DS2010: ACTA und INDECT" size="451611653" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.jpg" hide="yes">
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<alternative size="239798306" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.webm"/>
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<alternative size="194289848" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.ogv"/>
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<alternative size="251407296" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4075.flv"/>
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</resource>
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<resource title="DS2010: Meldedaten" size="359004443" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.jpg" hide="yes">
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<alternative size="197527460" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.webm"/>
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<alternative size="179038262" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.ogv"/>
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<alternative size="199852278" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4045.flv"/>
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</resource>
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<resource title="DS2010: Ich und 23" size="337673158" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.jpg" hide="yes">
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<alternative size="180085278" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.webm"/>
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<alternative size="132647250" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.ogv"/>
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<alternative size="187928290" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4047.flv"/>
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</resource>
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<resource title="DS2010: Wikipedia & OpenStreetMap" size="219370278" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.jpg" hide="yes">
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<alternative size="116493888" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.webm"/>
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<alternative size="87423982" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.ogv"/>
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<alternative size="122076906" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4034.flv"/>
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</resource>
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<resource title="DS2010: Abschlußveranstaltung" size="84356155" type="video/mp4" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.mp4" preview="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.gif" poster="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.jpg">
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<alternative size="43952637" type="video/webm" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.webm"/>
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<alternative size="30572069" type="video/ogg" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.ogv"/>
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<alternative size="46937316" type="video/x-flv" url="http://ftp.c3d2.de/datenspuren/2010/ds2010_4102.flv"/>
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</resource>
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</item>
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@ -0,0 +1,95 @@
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var ltx = require('ltx');
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var http = require('http');
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var fs = require('fs');
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var url = require('url');
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var running = 0, queue = [];
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function resolveSizes(urls, cb) {
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if (running > 0) {
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queue.push(function() {
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resolveSizes(urls, cb);
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});
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return;
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}
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running++;
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urls = urls.map(url.parse);
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var cl = http.createClient(urls[0].port || 80, urls[0].hostname);
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var pending = 0, results = [],
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done = function() {
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if (pending < 1) {
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cb(results);
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running--;
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var f = queue.shift();
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f && f();
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}
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};
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urls.forEach(function(u) {
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var req = cl.request('HEAD', u.pathname, { Host: u.host });
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req.end();
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req.on('response', function(res) {
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if (res.statusCode === 200)
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results.push({ url: url.format(u),
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size: res.headers['content-length'] });
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pending--;
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done();
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});
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pending++;
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});
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done();
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}
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function mimeByExt(url) {
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var ext = url.split('.').pop();
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var type = ({ mp4: 'video/mp4',
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webm: 'video/webm',
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ogv: 'video/ogg',
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flv: 'video/x-flv' })[ext];
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return type || 'application/octet-stream';
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}
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var scheduleFile = fs.readFileSync('content/static/datenspuren/fahrplan/schedule.xml');
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var schedule = ltx.parse(scheduleFile);
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schedule.getChildren('day').forEach(function(dayEl) {
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dayEl.getChildren('room').forEach(function(roomEl) {
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roomEl.getChildren('event').forEach(function(eventEl) {
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var id = eventEl.attrs.id;
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var title = eventEl.getChildText('title');
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var base = 'http://ftp.c3d2.de/datenspuren/2010/ds2010_' + id + '.';
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/*var base = 'http://ftp.ccc.de/regional/dresden/datenspuren/2010/ds2010_' + id + '.';*/
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var urls = ['mp4', 'webm', 'ogv', 'flv'].map(function(fmt) {
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return base + fmt;
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});
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resolveSizes(urls, function(infos) {
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infos = infos.filter(function(i) {
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return i.size !== undefined;
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});
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if (infos.length < 1)
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return;
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var res = new ltx.Element('resource',
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{ title: 'DS2010: ' + title,
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size: infos[0].size,
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type: mimeByExt(infos[0].url),
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url: infos[0].url,
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preview: base + 'gif',
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poster: base + 'jpg',
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hide: 'yes' });
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infos.slice(1).forEach(function(info) {
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res.c('alternative', { size: info.size,
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type: mimeByExt(info.url),
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url: info.url });
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});
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console.info(res.toString());
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});
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});
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});
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});
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