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742 lines
23 KiB
JavaScript
742 lines
23 KiB
JavaScript
var player_data = JSON.parse(document.getElementById('player_data').innerHTML);
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var video_data = JSON.parse(document.getElementById('video_data').innerHTML);
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var options = {
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preload: 'auto',
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liveui: true,
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playbackRates: [0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0],
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controlBar: {
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children: [
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'playToggle',
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'volumePanel',
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'currentTimeDisplay',
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'timeDivider',
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'durationDisplay',
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'progressControl',
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'remainingTimeDisplay',
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'Spacer',
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'captionsButton',
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'qualitySelector',
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'playbackRateMenuButton',
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'fullscreenToggle'
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]
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},
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html5: {
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preloadTextTracks: false,
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vhs: {
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overrideNative: true
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}
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}
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}
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if (player_data.aspect_ratio) {
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options.aspectRatio = player_data.aspect_ratio;
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}
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var embed_url = new URL(location);
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embed_url.searchParams.delete('v');
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short_url = location.origin + '/' + video_data.id + embed_url.search;
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embed_url = location.origin + '/embed/' + video_data.id + embed_url.search;
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var save_player_pos_key = "save_player_pos";
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var shareOptions = {
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socials: ['fbFeed', 'tw', 'reddit', 'email'],
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url: short_url,
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title: player_data.title,
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description: player_data.description,
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image: player_data.thumbnail,
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embedCode: "<iframe id='ivplayer' width='640' height='360' src='" + embed_url + "' style='border:none;'></iframe>"
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}
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videojs.Vhs.xhr.beforeRequest = function(options) {
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if (options.uri.indexOf('videoplayback') === -1 && options.uri.indexOf('local=true') === -1) {
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options.uri = options.uri + '?local=true';
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}
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return options;
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};
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var player = videojs('player', options);
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const storage = (() => {
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try { if (localStorage.length !== -1) return localStorage; }
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catch (e) { console.info('No storage available: ' + e); }
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return undefined;
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})();
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if (location.pathname.startsWith('/embed/')) {
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var overlay_content = '<h1><a rel="noopener" target="_blank" href="' + location.origin + '/watch?v=' + video_data.id + '">' + player_data.title + '</a></h1>';
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player.overlay({
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overlays: [
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{ start: 'loadstart', content: overlay_content, end: 'playing', align: 'top'},
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{ start: 'pause', content: overlay_content, end: 'playing', align: 'top'}
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]
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});
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}
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// Detect mobile users and initialize mobileUi for better UX
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// Detection code taken from https://stackoverflow.com/a/20293441
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function isMobile() {
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try{ document.createEvent("TouchEvent"); return true; }
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catch(e){ return false; }
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}
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if (isMobile()) {
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player.mobileUi();
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buttons = ["playToggle", "volumePanel", "captionsButton"];
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if (video_data.params.quality !== 'dash') buttons.push("qualitySelector")
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// Create new control bar object for operation buttons
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const ControlBar = videojs.getComponent("controlBar");
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let operations_bar = new ControlBar(player, {
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children: [],
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playbackRates: [0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0]
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});
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buttons.slice(1).forEach(child => operations_bar.addChild(child))
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// Remove operation buttons from primary control bar
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primary_control_bar = player.getChild("controlBar");
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buttons.forEach(child => primary_control_bar.removeChild(child));
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operations_bar_element = operations_bar.el();
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operations_bar_element.className += " mobile-operations-bar"
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player.addChild(operations_bar)
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// Playback menu doesn't work when it's initialized outside of the primary control bar
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playback_element = document.getElementsByClassName("vjs-playback-rate")[0]
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operations_bar_element.append(playback_element)
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// The share and http source selector element can't be fetched till the players ready.
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player.one("playing", () => {
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share_element = document.getElementsByClassName("vjs-share-control")[0]
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operations_bar_element.append(share_element)
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if (video_data.params.quality === 'dash') {
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http_source_selector = document.getElementsByClassName("vjs-http-source-selector vjs-menu-button")[0]
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operations_bar_element.append(http_source_selector)
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}
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})
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}
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player.on('error', function (event) {
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if (player.error().code === 2 || player.error().code === 4) {
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setTimeout(function (event) {
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console.log('An error occurred in the player, reloading...');
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var currentTime = player.currentTime();
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var playbackRate = player.playbackRate();
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var paused = player.paused();
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player.load();
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if (currentTime > 0.5) currentTime -= 0.5;
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player.currentTime(currentTime);
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player.playbackRate(playbackRate);
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if (!paused) player.play();
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}, 5000);
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}
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});
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// Enable VR video support
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if (!video_data.params.listen && video_data.vr && video_data.params.vr_mode) {
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player.crossOrigin("anonymous")
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switch (video_data.projection_type) {
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case "EQUIRECTANGULAR":
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player.vr({projection: "equirectangular"});
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default: // Should only be "MESH" but we'll use this as a fallback.
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player.vr({projection: "EAC"});
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}
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}
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// Add markers
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if (video_data.params.video_start > 0 || video_data.params.video_end > 0) {
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var markers = [{ time: video_data.params.video_start, text: 'Start' }];
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if (video_data.params.video_end < 0) {
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markers.push({ time: video_data.length_seconds - 0.5, text: 'End' });
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} else {
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markers.push({ time: video_data.params.video_end, text: 'End' });
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}
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player.markers({
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onMarkerReached: function (marker) {
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if (marker.text === 'End')
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player.loop() ? player.markers.prev('Start') : player.pause();
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},
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markers: markers
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});
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player.currentTime(video_data.params.video_start);
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}
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player.volume(video_data.params.volume / 100);
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player.playbackRate(video_data.params.speed);
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/**
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* Method for getting the contents of a cookie
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*
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* @param {String} name Name of cookie
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* @returns cookieValue
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*/
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function getCookieValue(name) {
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var value = document.cookie.split(";").filter(item => item.includes(name + "="));
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return (value != null && value.length >= 1)
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? value[0].substring((name + "=").length, value[0].length)
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: null;
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}
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/**
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* Method for updating the "PREFS" cookie (or creating it if missing)
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*
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* @param {number} newVolume New volume defined (null if unchanged)
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* @param {number} newSpeed New speed defined (null if unchanged)
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*/
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function updateCookie(newVolume, newSpeed) {
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var volumeValue = newVolume != null ? newVolume : video_data.params.volume;
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var speedValue = newSpeed != null ? newSpeed : video_data.params.speed;
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var cookieValue = getCookieValue('PREFS');
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var cookieData;
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if (cookieValue != null) {
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var cookieJson = JSON.parse(decodeURIComponent(cookieValue));
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cookieJson.volume = volumeValue;
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cookieJson.speed = speedValue;
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cookieData = encodeURIComponent(JSON.stringify(cookieJson));
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} else {
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cookieData = encodeURIComponent(JSON.stringify({ 'volume': volumeValue, 'speed': speedValue }));
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}
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// Set expiration in 2 year
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var date = new Date();
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date.setTime(date.getTime() + 63115200);
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var ipRegex = /^((\d+\.){3}\d+|[A-Fa-f0-9]*:[A-Fa-f0-9:]*:[A-Fa-f0-9:]+)$/;
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var domainUsed = window.location.hostname;
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// Fix for a bug in FF where the leading dot in the FQDN is not ignored
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if (domainUsed.charAt(0) != '.' && !ipRegex.test(domainUsed) && domainUsed != 'localhost')
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domainUsed = '.' + window.location.hostname;
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document.cookie = 'PREFS=' + cookieData + '; SameSite=Strict; path=/; domain=' +
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domainUsed + '; expires=' + date.toGMTString() + ';';
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video_data.params.volume = volumeValue;
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video_data.params.speed = speedValue;
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}
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player.on('ratechange', function () {
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updateCookie(null, player.playbackRate());
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});
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player.on('volumechange', function () {
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updateCookie(Math.ceil(player.volume() * 100), null);
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});
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player.on('waiting', function () {
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if (player.playbackRate() > 1 && player.liveTracker.isLive() && player.liveTracker.atLiveEdge()) {
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console.log('Player has caught up to source, resetting playbackRate.')
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player.playbackRate(1);
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}
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});
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if (video_data.premiere_timestamp && Math.round(new Date() / 1000) < video_data.premiere_timestamp) {
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player.getChild('bigPlayButton').hide();
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}
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if (video_data.params.save_player_pos) {
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const url = new URL(location);
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const hasTimeParam = url.searchParams.has("t");
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const remeberedTime = get_video_time();
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let lastUpdated = 0;
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if(!hasTimeParam) set_seconds_after_start(remeberedTime);
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const updateTime = () => {
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const raw = player.currentTime();
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const time = Math.floor(raw);
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if(lastUpdated !== time && raw <= video_data.length_seconds - 15) {
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save_video_time(time);
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lastUpdated = time;
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}
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};
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player.on("timeupdate", updateTime);
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}
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else remove_all_video_times();
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if (video_data.params.autoplay) {
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var bpb = player.getChild('bigPlayButton');
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bpb.hide();
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player.ready(function () {
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new Promise(function (resolve, reject) {
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setTimeout(() => resolve(1), 1);
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}).then(function (result) {
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var promise = player.play();
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if (promise !== undefined) {
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promise.then(_ => {
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}).catch(error => {
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bpb.show();
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});
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}
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});
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});
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}
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if (!video_data.params.listen && video_data.params.quality === 'dash') {
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player.httpSourceSelector();
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if (video_data.params.quality_dash != "auto") {
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player.ready(() => {
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player.on("loadedmetadata", () => {
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const qualityLevels = Array.from(player.qualityLevels()).sort((a, b) => a.height - b.height);
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let targetQualityLevel;
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switch (video_data.params.quality_dash) {
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case "best":
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targetQualityLevel = qualityLevels.length - 1;
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break;
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case "worst":
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targetQualityLevel = 0;
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break;
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default:
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const targetHeight = Number.parseInt(video_data.params.quality_dash, 10);
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for (let i = 0; i < qualityLevels.length; i++) {
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if (qualityLevels[i].height <= targetHeight) {
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targetQualityLevel = i;
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} else {
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break;
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}
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}
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}
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for (let i = 0; i < qualityLevels.length; i++) {
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qualityLevels[i].enabled = (i == targetQualityLevel);
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}
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});
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});
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}
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}
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player.vttThumbnails({
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src: location.origin + '/api/v1/storyboards/' + video_data.id + '?height=90',
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showTimestamp: true
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});
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// Enable annotations
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if (!video_data.params.listen && video_data.params.annotations) {
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window.addEventListener('load', function (e) {
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var video_container = document.getElementById('player');
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let xhr = new XMLHttpRequest();
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xhr.responseType = 'text';
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xhr.timeout = 60000;
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xhr.open('GET', '/api/v1/annotations/' + video_data.id, true);
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xhr.onreadystatechange = function () {
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if (xhr.readyState === 4) {
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if (xhr.status === 200) {
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videojs.registerPlugin('youtubeAnnotationsPlugin', youtubeAnnotationsPlugin);
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if (!player.paused()) {
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player.youtubeAnnotationsPlugin({ annotationXml: xhr.response, videoContainer: video_container });
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} else {
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player.one('play', function (event) {
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player.youtubeAnnotationsPlugin({ annotationXml: xhr.response, videoContainer: video_container });
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});
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}
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}
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}
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}
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window.addEventListener('__ar_annotation_click', e => {
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const { url, target, seconds } = e.detail;
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var path = new URL(url);
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if (path.href.startsWith('https://www.youtube.com/watch?') && seconds) {
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path.search += '&t=' + seconds;
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}
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path = path.pathname + path.search;
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if (target === 'current') {
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window.location.href = path;
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} else if (target === 'new') {
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window.open(path, '_blank');
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}
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});
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xhr.send();
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});
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}
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function increase_volume(delta) {
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const curVolume = player.volume();
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let newVolume = curVolume + delta;
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if (newVolume > 1) {
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newVolume = 1;
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} else if (newVolume < 0) {
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newVolume = 0;
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}
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player.volume(newVolume);
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}
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function toggle_muted() {
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const isMuted = player.muted();
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player.muted(!isMuted);
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}
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function skip_seconds(delta) {
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const duration = player.duration();
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const curTime = player.currentTime();
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let newTime = curTime + delta;
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if (newTime > duration) {
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newTime = duration;
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} else if (newTime < 0) {
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newTime = 0;
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}
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player.currentTime(newTime);
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}
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function set_seconds_after_start(delta) {
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const start = video_data.params.video_start;
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player.currentTime(start + delta);
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}
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function save_video_time(seconds) {
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const videoId = video_data.id;
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const all_video_times = get_all_video_times();
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all_video_times[videoId] = seconds;
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set_all_video_times(all_video_times);
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}
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function get_video_time() {
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try {
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const videoId = video_data.id;
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const all_video_times = get_all_video_times();
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const timestamp = all_video_times[videoId];
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return timestamp || 0;
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}
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catch {
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return 0;
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}
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}
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|
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function set_all_video_times(times) {
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if (storage) {
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if (times) {
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try {
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storage.setItem(save_player_pos_key, JSON.stringify(times));
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} catch (e) {
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console.debug('set_all_video_times: ' + e);
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}
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} else {
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storage.removeItem(save_player_pos_key);
|
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}
|
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}
|
|
}
|
|
|
|
function get_all_video_times() {
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if (storage) {
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|
const raw = storage.getItem(save_player_pos_key);
|
|
if (raw !== null) {
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try {
|
|
return JSON.parse(raw);
|
|
} catch (e) {
|
|
console.debug('get_all_video_times: ' + e);
|
|
}
|
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}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
function remove_all_video_times() {
|
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set_all_video_times(null);
|
|
}
|
|
|
|
function set_time_percent(percent) {
|
|
const duration = player.duration();
|
|
const newTime = duration * (percent / 100);
|
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player.currentTime(newTime);
|
|
}
|
|
|
|
function play() { player.play(); }
|
|
function pause() { player.pause(); }
|
|
function stop() { player.pause(); player.currentTime(0); }
|
|
function toggle_play() { player.paused() ? play() : pause(); }
|
|
|
|
const toggle_captions = (function () {
|
|
let toggledTrack = null;
|
|
const onChange = function (e) {
|
|
toggledTrack = null;
|
|
};
|
|
const bindChange = function (onOrOff) {
|
|
player.textTracks()[onOrOff]('change', onChange);
|
|
};
|
|
// Wrapper function to ignore our own emitted events and only listen
|
|
// to events emitted by Video.js on click on the captions menu items.
|
|
const setMode = function (track, mode) {
|
|
bindChange('off');
|
|
track.mode = mode;
|
|
window.setTimeout(function () {
|
|
bindChange('on');
|
|
}, 0);
|
|
};
|
|
bindChange('on');
|
|
return function () {
|
|
if (toggledTrack !== null) {
|
|
if (toggledTrack.mode !== 'showing') {
|
|
setMode(toggledTrack, 'showing');
|
|
} else {
|
|
setMode(toggledTrack, 'disabled');
|
|
}
|
|
toggledTrack = null;
|
|
return;
|
|
}
|
|
|
|
// Used as a fallback if no captions are currently active.
|
|
// TODO: Make this more intelligent by e.g. relying on browser language.
|
|
let fallbackCaptionsTrack = null;
|
|
|
|
const tracks = player.textTracks();
|
|
for (let i = 0; i < tracks.length; i++) {
|
|
const track = tracks[i];
|
|
if (track.kind !== 'captions') continue;
|
|
|
|
if (fallbackCaptionsTrack === null) {
|
|
fallbackCaptionsTrack = track;
|
|
}
|
|
if (track.mode === 'showing') {
|
|
setMode(track, 'disabled');
|
|
toggledTrack = track;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Fallback if no captions are currently active.
|
|
if (fallbackCaptionsTrack !== null) {
|
|
setMode(fallbackCaptionsTrack, 'showing');
|
|
toggledTrack = fallbackCaptionsTrack;
|
|
}
|
|
};
|
|
})();
|
|
|
|
function toggle_fullscreen() {
|
|
player.isFullscreen() ? player.exitFullscreen() : player.requestFullscreen();
|
|
}
|
|
|
|
function increase_playback_rate(steps) {
|
|
const maxIndex = options.playbackRates.length - 1;
|
|
const curIndex = options.playbackRates.indexOf(player.playbackRate());
|
|
let newIndex = curIndex + steps;
|
|
if (newIndex > maxIndex) {
|
|
newIndex = maxIndex;
|
|
} else if (newIndex < 0) {
|
|
newIndex = 0;
|
|
}
|
|
player.playbackRate(options.playbackRates[newIndex]);
|
|
}
|
|
|
|
window.addEventListener('keydown', e => {
|
|
if (e.target.tagName.toLowerCase() === 'input') {
|
|
// Ignore input when focus is on certain elements, e.g. form fields.
|
|
return;
|
|
}
|
|
// See https://github.com/ctd1500/videojs-hotkeys/blob/bb4a158b2e214ccab87c2e7b95f42bc45c6bfd87/videojs.hotkeys.js#L310-L313
|
|
const isPlayerFocused = false
|
|
|| e.target === document.querySelector('.video-js')
|
|
|| e.target === document.querySelector('.vjs-tech')
|
|
|| e.target === document.querySelector('.iframeblocker')
|
|
|| e.target === document.querySelector('.vjs-control-bar')
|
|
;
|
|
let action = null;
|
|
|
|
const code = e.keyCode;
|
|
const decoratedKey =
|
|
e.key
|
|
+ (e.altKey ? '+alt' : '')
|
|
+ (e.ctrlKey ? '+ctrl' : '')
|
|
+ (e.metaKey ? '+meta' : '')
|
|
;
|
|
switch (decoratedKey) {
|
|
case ' ':
|
|
case 'k':
|
|
case 'MediaPlayPause':
|
|
action = toggle_play;
|
|
break;
|
|
|
|
case 'MediaPlay': action = play; break;
|
|
case 'MediaPause': action = pause; break;
|
|
case 'MediaStop': action = stop; break;
|
|
|
|
case 'ArrowUp':
|
|
if (isPlayerFocused) action = increase_volume.bind(this, 0.1);
|
|
break;
|
|
case 'ArrowDown':
|
|
if (isPlayerFocused) action = increase_volume.bind(this, -0.1);
|
|
break;
|
|
|
|
case 'm':
|
|
action = toggle_muted;
|
|
break;
|
|
|
|
case 'ArrowRight':
|
|
case 'MediaFastForward':
|
|
action = skip_seconds.bind(this, 5 * player.playbackRate());
|
|
break;
|
|
case 'ArrowLeft':
|
|
case 'MediaTrackPrevious':
|
|
action = skip_seconds.bind(this, -5 * player.playbackRate());
|
|
break;
|
|
case 'l':
|
|
action = skip_seconds.bind(this, 10 * player.playbackRate());
|
|
break;
|
|
case 'j':
|
|
action = skip_seconds.bind(this, -10 * player.playbackRate());
|
|
break;
|
|
|
|
case '0':
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
case '5':
|
|
case '6':
|
|
case '7':
|
|
case '8':
|
|
case '9':
|
|
// Ignore numpad numbers
|
|
if (code > 57) break;
|
|
|
|
const percent = (code - 48) * 10;
|
|
action = set_time_percent.bind(this, percent);
|
|
break;
|
|
|
|
case 'c': action = toggle_captions; break;
|
|
case 'f': action = toggle_fullscreen; break;
|
|
|
|
case 'N':
|
|
case 'MediaTrackNext':
|
|
action = next_video;
|
|
break;
|
|
case 'P':
|
|
case 'MediaTrackPrevious':
|
|
// TODO: Add support to play back previous video.
|
|
break;
|
|
|
|
case '.':
|
|
// TODO: Add support for next-frame-stepping.
|
|
break;
|
|
case ',':
|
|
// TODO: Add support for previous-frame-stepping.
|
|
break;
|
|
|
|
case '>': action = increase_playback_rate.bind(this, 1); break;
|
|
case '<': action = increase_playback_rate.bind(this, -1); break;
|
|
|
|
default:
|
|
console.info('Unhandled key down event: %s:', decoratedKey, e);
|
|
break;
|
|
}
|
|
|
|
if (action) {
|
|
e.preventDefault();
|
|
action();
|
|
}
|
|
}, false);
|
|
|
|
// Add support for controlling the player volume by scrolling over it. Adapted from
|
|
// https://github.com/ctd1500/videojs-hotkeys/blob/bb4a158b2e214ccab87c2e7b95f42bc45c6bfd87/videojs.hotkeys.js#L292-L328
|
|
(function () {
|
|
const volumeStep = 0.05;
|
|
const enableVolumeScroll = true;
|
|
const enableHoverScroll = true;
|
|
const doc = document;
|
|
const pEl = document.getElementById('player');
|
|
|
|
var volumeHover = false;
|
|
var volumeSelector = pEl.querySelector('.vjs-volume-menu-button') || pEl.querySelector('.vjs-volume-panel');
|
|
if (volumeSelector != null) {
|
|
volumeSelector.onmouseover = function () { volumeHover = true; };
|
|
volumeSelector.onmouseout = function () { volumeHover = false; };
|
|
}
|
|
|
|
var mouseScroll = function mouseScroll(event) {
|
|
var activeEl = doc.activeElement;
|
|
if (enableHoverScroll) {
|
|
// If we leave this undefined then it can match non-existent elements below
|
|
activeEl = 0;
|
|
}
|
|
|
|
// When controls are disabled, hotkeys will be disabled as well
|
|
if (player.controls()) {
|
|
if (volumeHover) {
|
|
if (enableVolumeScroll) {
|
|
event = window.event || event;
|
|
var delta = Math.max(-1, Math.min(1, (event.wheelDelta || -event.detail)));
|
|
event.preventDefault();
|
|
|
|
if (delta == 1) {
|
|
increase_volume(volumeStep);
|
|
} else if (delta == -1) {
|
|
increase_volume(-volumeStep);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
player.on('mousewheel', mouseScroll);
|
|
player.on("DOMMouseScroll", mouseScroll);
|
|
}());
|
|
|
|
// Since videojs-share can sometimes be blocked, we defer it until last
|
|
if (player.share) {
|
|
player.share(shareOptions);
|
|
}
|
|
|
|
// show the preferred caption by default
|
|
if (player_data.preferred_caption_found) {
|
|
player.ready(() => {
|
|
player.textTracks()[1].mode = 'showing';
|
|
});
|
|
}
|
|
|
|
// Safari audio double duration fix
|
|
if (navigator.vendor == "Apple Computer, Inc." && video_data.params.listen) {
|
|
player.on('loadedmetadata', function () {
|
|
player.on('timeupdate', function () {
|
|
if (player.remainingTime() < player.duration() / 2) {
|
|
player.currentTime(player.duration() + 1);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
// Watch on Invidious link
|
|
if (window.location.pathname.startsWith("/embed/")) {
|
|
const Button = videojs.getComponent('Button');
|
|
let watch_on_invidious_button = new Button(player);
|
|
|
|
// Create hyperlink for current instance
|
|
redirect_element = document.createElement("a");
|
|
redirect_element.setAttribute("href", `http://${window.location.host}/watch?v=${window.location.pathname.replace("/embed/","")}`)
|
|
redirect_element.appendChild(document.createTextNode("Invidious"))
|
|
|
|
watch_on_invidious_button.el().appendChild(redirect_element)
|
|
watch_on_invidious_button.addClass("watch-on-invidious")
|
|
|
|
cb = player.getChild('ControlBar')
|
|
cb.addChild(watch_on_invidious_button)
|
|
};
|