mirror of
https://github.com/iv-org/invidious.git
synced 2026-09-06 00:52:45 -05:00
1079 lines
36 KiB
JavaScript
1079 lines
36 KiB
JavaScript
'use strict';
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var player_data = JSON.parse(document.getElementById('player_data').textContent);
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var video_data = JSON.parse(document.getElementById('video_data').textContent);
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const CONFIG = JSON.parse(document.getElementById('config').textContent);
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var options = {
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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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fontPercent: [0.5, 0.75, 1.25, 1.5, 1.75, 2, 3, 4],
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windowOpacity: ['0', '0.5', '1'],
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textOpacity: ['0.5', '1'],
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persistTextTrackSettings: true,
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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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'audioTrackButton',
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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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var 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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// Video.js removes the original <track> elements during initialization. Keep
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// their URLs so one candidate can be fetched into the browser cache without
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// changing TextTrack mode or rendering captions.
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var caption_track_sources = Array.prototype.map.call(
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document.querySelectorAll('#player track[kind="captions"]'),
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function (trackEl) { return trackEl.src; }
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);
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videojs.Vhs.xhr.beforeRequest = function(options) {
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// set local if requested not videoplayback
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if (!options.uri.includes('videoplayback')) {
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if (!options.uri.includes('local=true'))
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options.uri += '?local=true';
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}
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return options;
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};
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// Buffer limits
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if (CONFIG.videojs.goal_buffer_length) {
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videojs.Vhs.GOAL_BUFFER_LENGTH = CONFIG.videojs.goal_buffer_length;
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}
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if (CONFIG.videojs.max_goal_buffer_length) {
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videojs.Vhs.MAX_GOAL_BUFFER_LENGTH = CONFIG.videojs.max_goal_buffer_length;
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}
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var player = videojs('player', options);
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player.on('error', function () {
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if (video_data.params.quality === 'dash') return;
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var localNotDisabled = (
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!player.currentSrc().includes('local=true') && !video_data.local_disabled
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);
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var reloadMakesSense = (
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player.error().code === MediaError.MEDIA_ERR_NETWORK ||
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player.error().code === MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED
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);
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if (localNotDisabled) {
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// add local=true to all current sources
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player.src(player.currentSources().map(function (source) {
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source.src += '&local=true';
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return source;
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}));
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} else if (reloadMakesSense) {
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setTimeout(function () {
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console.warn('An error occurred in the player, reloading...');
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// After load() all parameters are reset. Save them
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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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if (video_data.params.quality === 'dash') {
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player.reloadSourceOnError({
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errorInterval: 10
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});
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}
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/**
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* Function for add time argument to url
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*
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* @param {String} url
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* @param {String} [base]
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* @param {'t' | 'start'} param
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* @returns {URL} urlWithTimeArg
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*/
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function addCurrentTimeToURL(url, base, param = 't') {
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var urlUsed = new URL(url, base);
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urlUsed.searchParams.delete('start');
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var currentTime = Math.ceil(player.currentTime());
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if (currentTime > 0)
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urlUsed.searchParams.set(param, currentTime);
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else if (urlUsed.searchParams.has('t'))
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urlUsed.searchParams.delete('t');
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return urlUsed;
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}
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/**
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* Global variable to save the last timestamp (in full seconds) at which the external
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* links were updated by the 'timeupdate' callback below.
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*
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* It is initialized to 5s so that the video will always restart from the beginning
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* if the user hasn't really started watching before switching to the other website.
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*/
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var timeupdate_last_ts = 5;
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/**
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* Callback that updates the timestamp on all external links
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*/
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player.on('timeupdate', function () {
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// Only update once every second
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let current_ts = Math.floor(player.currentTime());
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if (current_ts != timeupdate_last_ts) timeupdate_last_ts = current_ts;
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else return;
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// YouTube links
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if (!video_data.live_now) {
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let elem_yt_watch = document.getElementById('link-yt-watch');
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if (elem_yt_watch) {
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let base_url_yt_watch = elem_yt_watch.getAttribute('data-base-url');
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elem_yt_watch.href = addCurrentTimeToURL(base_url_yt_watch);
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}
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let elem_yt_embed = document.getElementById('link-yt-embed');
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if (elem_yt_embed) {
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let base_url_yt_embed = elem_yt_embed.getAttribute('data-base-url');
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elem_yt_embed.href = addCurrentTimeToURL(base_url_yt_embed, undefined, 'start');
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}
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}
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// Invidious links
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let domain = window.location.origin;
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let elem_iv_embed = document.getElementById('link-iv-embed');
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if (elem_iv_embed) {
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let base_url_iv_embed = elem_iv_embed.getAttribute('data-base-url');
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elem_iv_embed.href = addCurrentTimeToURL(base_url_iv_embed, domain);
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}
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let elem_iv_other = document.getElementById('link-iv-other');
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if (elem_iv_other) {
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let base_url_iv_other = elem_iv_other.getAttribute('data-base-url');
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elem_iv_other.href = addCurrentTimeToURL(base_url_iv_other, domain);
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}
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let elem_iv_listen = document.getElementById('link-iv-listen');
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if (elem_iv_listen) {
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let base_url_iv_listen = elem_iv_listen.getAttribute('data-base-url');
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elem_iv_listen.href = addCurrentTimeToURL(base_url_iv_listen, domain);
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}
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});
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var shareOptions = {
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socials: ['fbFeed', 'tw', 'reddit', 'email'],
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get url() {
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return addCurrentTimeToURL(short_url);
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},
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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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get embedCode() {
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// Single quotes inside here required. HTML inserted as is into value attribute of input
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return "<iframe id='ivplayer' width='640' height='360' src='" +
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addCurrentTimeToURL(embed_url) + "' style='border:none;'></iframe>";
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}
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};
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if (location.pathname.startsWith('/embed/')) {
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var overlay_content = '<h1><a rel="noopener noreferrer" 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({ touchControls: { seekSeconds: 5 * player.playbackRate() } });
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var buttons = ['playToggle', 'volumePanel', 'captionsButton'];
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if (!video_data.params.listen && video_data.params.quality === 'dash') buttons.push('audioTrackButton');
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if (video_data.params.listen || 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(function (child) {operations_bar.addChild(child);});
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// Remove operation buttons from primary control bar
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var primary_control_bar = player.getChild('controlBar');
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buttons.forEach(function (child) {primary_control_bar.removeChild(child);});
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var operations_bar_element = operations_bar.el();
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operations_bar_element.classList.add('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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var 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', function () {
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var 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.listen && video_data.params.quality === 'dash') {
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var 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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// 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 {String|null} cookieValue
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*/
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function getCookieValue(name) {
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var cookiePrefix = name + '=';
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var matchedCookie = document.cookie.split(';').find(function (item) {return item.includes(cookiePrefix);});
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if (matchedCookie)
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return matchedCookie.replace(cookiePrefix, '');
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return 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.setFullYear(date.getFullYear() + 2);
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var ipRegex = /^((\d+\.){3}\d+|[\dA-Fa-f]*:[\d:A-Fa-f]*:[\d:A-Fa-f]+)$/;
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var domainUsed = 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 = '.' + location.hostname;
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var secure = location.protocol.startsWith("https") ? " Secure;" : "";
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document.cookie = 'PREFS=' + cookieData + '; SameSite=Lax; path=/; domain=' +
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domainUsed + '; expires=' + date.toGMTString() + ';' + secure;
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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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if (isMobile()) {
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player.mobileUi({ touchControls: { seekSeconds: 5 * player.playbackRate() } });
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}
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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.info('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 rememberedTime = get_video_time();
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let lastUpdated = 0;
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if(!hasTimeParam) {
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if (rememberedTime >= video_data.length_seconds - 20)
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set_seconds_after_start(0);
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else
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set_seconds_after_start(rememberedTime);
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}
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player.on('timeupdate', function () {
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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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}
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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(function () {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(function () {
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}).catch(function (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(function () {
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player.on('loadedmetadata', function () {
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const qualityLevels = Array.from(player.qualityLevels()).sort(function (a, b) {return 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 = parseInt(video_data.params.quality_dash);
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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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qualityLevels.forEach(function (level, index) {
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level.enabled = (index === 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: '/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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addEventListener('load', function (e) {
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addEventListener('__ar_annotation_click', function (e) {
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const url = e.detail.url,
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target = e.detail.target,
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seconds = e.detail.seconds;
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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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location.href = path;
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} else if (target === 'new') {
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open(path, '_blank', 'noopener,noreferrer');
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}
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});
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helpers.xhr('GET', '/api/v1/annotations/' + video_data.id, {
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responseType: 'text',
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timeout: 60000
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}, {
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on200: function (response) {
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var video_container = document.getElementById('player');
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videojs.registerPlugin('youtubeAnnotationsPlugin', youtubeAnnotationsPlugin);
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if (player.paused()) {
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player.one('play', function (event) {
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player.youtubeAnnotationsPlugin({ annotationXml: response, videoContainer: video_container });
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});
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} else {
|
|
player.youtubeAnnotationsPlugin({ annotationXml: response, videoContainer: video_container });
|
|
}
|
|
}
|
|
});
|
|
|
|
});
|
|
}
|
|
|
|
function change_volume(delta) {
|
|
const curVolume = player.volume();
|
|
let newVolume = curVolume + delta;
|
|
newVolume = helpers.clamp(newVolume, 0, 1);
|
|
player.volume(newVolume);
|
|
}
|
|
|
|
function toggle_muted() {
|
|
player.muted(!player.muted());
|
|
}
|
|
|
|
function skip_seconds(delta) {
|
|
const duration = player.duration();
|
|
const curTime = player.currentTime();
|
|
let newTime = curTime + delta;
|
|
newTime = helpers.clamp(newTime, 0, duration);
|
|
player.currentTime(newTime);
|
|
}
|
|
|
|
function set_seconds_after_start(delta) {
|
|
const start = video_data.params.video_start;
|
|
player.currentTime(start + delta);
|
|
}
|
|
|
|
function save_video_time(seconds) {
|
|
const all_video_times = get_all_video_times();
|
|
all_video_times[video_data.id] = seconds;
|
|
helpers.storage.set(save_player_pos_key, all_video_times);
|
|
}
|
|
|
|
function get_video_time() {
|
|
return get_all_video_times()[video_data.id] || 0;
|
|
}
|
|
|
|
function get_all_video_times() {
|
|
return helpers.storage.get(save_player_pos_key) || {};
|
|
}
|
|
|
|
function remove_all_video_times() {
|
|
helpers.storage.remove(save_player_pos_key);
|
|
}
|
|
|
|
function set_time_percent(percent) {
|
|
const duration = player.duration();
|
|
const newTime = duration * (percent / 100);
|
|
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;
|
|
|
|
function bindChange(onOrOff) {
|
|
player.textTracks()[onOrOff]('change', function (e) {
|
|
toggledTrack = null;
|
|
});
|
|
}
|
|
|
|
// Wrapper function to ignore our own emitted events and only listen
|
|
// to events emitted by Video.js on click on the captions menu items.
|
|
function setMode(track, mode) {
|
|
bindChange('off');
|
|
track.mode = mode;
|
|
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;
|
|
}
|
|
};
|
|
})();
|
|
|
|
// --- Progressive Word-by-Word Caption Controller ---
|
|
function parseCaptionTimestamp(value) {
|
|
if (typeof value !== 'string') return null;
|
|
|
|
const trimmed = value.trim();
|
|
if (trimmed === '') return null;
|
|
|
|
const clockParts = trimmed.split(':');
|
|
if (clockParts.length > 3) return null;
|
|
|
|
let seconds = 0;
|
|
for (let i = 0; i < clockParts.length; i++) {
|
|
const part = clockParts[i];
|
|
if (part === '' || !/^\d+(?:\.\d+)?$/.test(part)) return null;
|
|
|
|
const parsedPart = parseFloat(part);
|
|
if (!isFinite(parsedPart)) return null;
|
|
|
|
if (clockParts.length === 3 && i === 1 && parsedPart >= 60) return null;
|
|
if (i === clockParts.length - 1 && clockParts.length > 1 && parsedPart >= 60) return null;
|
|
if (i === clockParts.length - 1) seconds += parsedPart;
|
|
else {
|
|
const multiplier = clockParts.length === 2 && i === 0 && parsedPart >= 60 ?
|
|
3600 : Math.pow(60, clockParts.length - i - 1);
|
|
seconds += parsedPart * multiplier;
|
|
}
|
|
}
|
|
|
|
return seconds;
|
|
}
|
|
|
|
function processNodeChildren(container, currentTime) {
|
|
let currentTs = null;
|
|
const childNodes = container.childNodes;
|
|
|
|
for (let k = 0; k < childNodes.length; k++) {
|
|
const node = childNodes[k];
|
|
|
|
if (node.nodeType === 7 && (node.target === 'timestamp' || node.nodeName === 'timestamp')) {
|
|
const parsed = parseCaptionTimestamp(node.data);
|
|
currentTs = parsed;
|
|
} else if (currentTs !== null) {
|
|
if (node.nodeType === 1) { // Node.ELEMENT_NODE
|
|
const shouldShow = currentTime >= currentTs;
|
|
const newVis = shouldShow ? '' : 'hidden';
|
|
if (node.style.visibility !== newVis) {
|
|
node.style.visibility = newVis;
|
|
}
|
|
} else if (node.nodeType === 3 && node.textContent.trim().length > 0) { // Node.TEXT_NODE
|
|
const span = document.createElement('span');
|
|
span.textContent = node.textContent;
|
|
const shouldShow = currentTime >= currentTs;
|
|
span.style.visibility = shouldShow ? '' : 'hidden';
|
|
container.replaceChild(span, node);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function processCueElement(cueEl, currentTime) {
|
|
const contentContainers = cueEl.querySelectorAll('div');
|
|
if (contentContainers.length === 0) {
|
|
processNodeChildren(cueEl, currentTime);
|
|
} else {
|
|
for (let j = 0; j < contentContainers.length; j++) {
|
|
processNodeChildren(contentContainers[j], currentTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
function applyProgressiveCaptions(currentTime) {
|
|
const cueElements = player.el().querySelectorAll('.vjs-text-track-cue');
|
|
if (!cueElements || cueElements.length === 0) return;
|
|
|
|
for (let i = 0; i < cueElements.length; i++) {
|
|
processCueElement(cueElements[i], currentTime);
|
|
}
|
|
}
|
|
|
|
(function initProgressiveCaptionsLoop() {
|
|
let rafId = null;
|
|
let rvfcId = null;
|
|
let rvfcVideoEl = null;
|
|
let isLoopRunning = false;
|
|
|
|
function updateCaptionFrame() {
|
|
if (!player || player.isDisposed()) {
|
|
stopCaptionLoop();
|
|
return;
|
|
}
|
|
|
|
const currentTime = player.currentTime();
|
|
applyProgressiveCaptions(currentTime);
|
|
|
|
const tech = player.tech(true);
|
|
const videoEl = tech && tech.el();
|
|
|
|
if (!player.paused() && !player.ended()) {
|
|
scheduleNextFrame(videoEl);
|
|
} else {
|
|
isLoopRunning = false;
|
|
}
|
|
}
|
|
|
|
function scheduleNextFrame(videoEl) {
|
|
isLoopRunning = true;
|
|
if (videoEl && typeof videoEl.requestVideoFrameCallback === 'function') {
|
|
rvfcVideoEl = videoEl;
|
|
rvfcId = videoEl.requestVideoFrameCallback(function () {
|
|
updateCaptionFrame();
|
|
});
|
|
} else {
|
|
rafId = window.requestAnimationFrame(function () {
|
|
updateCaptionFrame();
|
|
});
|
|
}
|
|
}
|
|
|
|
function startCaptionLoop() {
|
|
if (isLoopRunning) return;
|
|
const tech = player.tech(true);
|
|
const videoEl = tech && tech.el();
|
|
scheduleNextFrame(videoEl);
|
|
}
|
|
|
|
function stopCaptionLoop() {
|
|
isLoopRunning = false;
|
|
if (rvfcVideoEl && typeof rvfcVideoEl.cancelVideoFrameCallback === 'function' && rvfcId !== null) {
|
|
rvfcVideoEl.cancelVideoFrameCallback(rvfcId);
|
|
}
|
|
if (rafId !== null) {
|
|
window.cancelAnimationFrame(rafId);
|
|
}
|
|
rvfcId = null;
|
|
rvfcVideoEl = null;
|
|
rafId = null;
|
|
}
|
|
|
|
player.on('play', startCaptionLoop);
|
|
player.on('playing', startCaptionLoop);
|
|
player.on('pause', function () {
|
|
stopCaptionLoop();
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('ended', function () {
|
|
stopCaptionLoop();
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('waiting', stopCaptionLoop);
|
|
player.on('seeked', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('seeking', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('timeupdate', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('ratechange', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('fullscreenchange', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
player.on('dispose', stopCaptionLoop);
|
|
|
|
if (player.textTracks()) {
|
|
player.textTracks().on('change', function () {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
});
|
|
}
|
|
})();
|
|
|
|
// For real-time updates to captions (if currently showing)
|
|
function update_captions() {
|
|
applyProgressiveCaptions(player.currentTime());
|
|
const textTrackDisplay = player.getChild('textTrackDisplay');
|
|
if (textTrackDisplay && typeof textTrackDisplay.updateDisplay === 'function') {
|
|
textTrackDisplay.updateDisplay();
|
|
applyProgressiveCaptions(player.currentTime());
|
|
}
|
|
}
|
|
|
|
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;
|
|
newIndex = helpers.clamp(newIndex, 0, maxIndex);
|
|
player.playbackRate(options.playbackRates[newIndex]);
|
|
}
|
|
|
|
function increase_caption_size(steps) {
|
|
const maxIndex = options.fontPercent.length - 1;
|
|
const fontPercent = player.textTrackSettings.getValues().fontPercent || 1.25;
|
|
const curIndex = options.fontPercent.indexOf(fontPercent);
|
|
let newIndex = curIndex + steps;
|
|
newIndex = helpers.clamp(newIndex, 0, maxIndex);
|
|
player.textTrackSettings.setValues({ fontPercent: options.fontPercent[newIndex] });
|
|
update_captions();
|
|
}
|
|
|
|
function toggle_caption_window() {
|
|
const numOptions = options.windowOpacity.length;
|
|
const windowOpacity = player.textTrackSettings.getValues().windowOpacity || '0';
|
|
const curIndex = options.windowOpacity.indexOf(windowOpacity);
|
|
const newIndex = (curIndex + 1) % numOptions;
|
|
player.textTrackSettings.setValues({ windowOpacity: options.windowOpacity[newIndex] });
|
|
update_captions();
|
|
}
|
|
|
|
function toggle_caption_opacity() {
|
|
const numOptions = options.textOpacity.length;
|
|
const textOpacity = player.textTrackSettings.getValues().textOpacity || '1';
|
|
const curIndex = options.textOpacity.indexOf(textOpacity);
|
|
const newIndex = (curIndex + 1) % numOptions;
|
|
player.textTrackSettings.setValues({ textOpacity: options.textOpacity[newIndex] });
|
|
update_captions();
|
|
}
|
|
|
|
addEventListener('keydown', function (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 = change_volume.bind(this, 0.1);
|
|
break;
|
|
case 'ArrowDown':
|
|
if (isPlayerFocused) action = change_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;
|
|
|
|
// TODO: More precise step. Now FPS is taken equal to 29.97
|
|
// Common FPS: https://forum.videohelp.com/threads/81868#post323588
|
|
// Possible solution is new HTMLVideoElement.requestVideoFrameCallback() https://wicg.github.io/video-rvfc/
|
|
case ',': action = function () { pause(); skip_seconds(-1/29.97); }; break;
|
|
case '.': action = function () { pause(); skip_seconds( 1/29.97); }; break;
|
|
|
|
case '>': action = increase_playback_rate.bind(this, 1); break;
|
|
case '<': action = increase_playback_rate.bind(this, -1); break;
|
|
|
|
case '=': action = increase_caption_size.bind(this, 1); break;
|
|
case '-': action = increase_caption_size.bind(this, -1); break;
|
|
|
|
case 'w': action = toggle_caption_window; break;
|
|
case 'o': action = toggle_caption_opacity; 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 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; };
|
|
}
|
|
|
|
function mouseScroll(event) {
|
|
// When controls are disabled, hotkeys will be disabled as well
|
|
if (!player.controls() || !volumeHover) return;
|
|
|
|
event.preventDefault();
|
|
var wheelMove = event.wheelDelta || -event.detail;
|
|
var volumeSign = Math.sign(wheelMove);
|
|
|
|
change_volume(volumeSign * 0.05); // decrease/increase by 5%
|
|
}
|
|
|
|
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 or prefetch the first caption track. Remote text
|
|
// tracks can be added after player.ready(), so also initialize on addtrack.
|
|
(function initCaptionLoading() {
|
|
const tracks = player.textTracks();
|
|
let preferredTrackSelected = false;
|
|
let prefetchStarted = false;
|
|
|
|
function prefetchCaptionSource() {
|
|
if (caption_track_sources.length === 0 || typeof fetch !== 'function') return;
|
|
|
|
fetch(caption_track_sources[0], {
|
|
credentials: 'same-origin'
|
|
}).catch(function () {
|
|
// Selecting captions later lets Video.js perform its normal retry.
|
|
});
|
|
}
|
|
|
|
function initializeCaptionTracks() {
|
|
let firstCaptionTrack = null;
|
|
let anyTrackShowing = false;
|
|
|
|
for (let i = 0; i < tracks.length; i++) {
|
|
const track = tracks[i];
|
|
if (track.kind !== 'captions') continue;
|
|
|
|
if (!firstCaptionTrack) firstCaptionTrack = track;
|
|
if (track.mode === 'showing') {
|
|
anyTrackShowing = true;
|
|
preferredTrackSelected = preferredTrackSelected ||
|
|
player_data.preferred_caption_found;
|
|
}
|
|
}
|
|
|
|
if (player_data.preferred_caption_found && !preferredTrackSelected && firstCaptionTrack) {
|
|
preferredTrackSelected = true;
|
|
firstCaptionTrack.mode = 'showing';
|
|
} else if (!anyTrackShowing && !prefetchStarted && caption_track_sources.length > 0) {
|
|
prefetchStarted = true;
|
|
prefetchCaptionSource();
|
|
}
|
|
}
|
|
|
|
player.ready(initializeCaptionTracks);
|
|
tracks.on('addtrack', function () {
|
|
// Let Video.js finish registering the new remote track first.
|
|
window.setTimeout(initializeCaptionTracks, 0);
|
|
});
|
|
})();
|
|
|
|
// 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.remainingTime() >= 2) {
|
|
player.currentTime(player.duration() - 1);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
// Safari screen timeout on looped video playback fix
|
|
if (navigator.vendor === 'Apple Computer, Inc.' && !video_data.params.listen && video_data.params.video_loop) {
|
|
player.loop(false);
|
|
player.ready(function () {
|
|
player.on('ended', function () {
|
|
player.currentTime(0);
|
|
player.play();
|
|
});
|
|
});
|
|
}
|
|
|
|
// Watch on Invidious link
|
|
if (location.pathname.startsWith('/embed/')) {
|
|
const Button = videojs.getComponent('Button');
|
|
let watch_on_invidious_button = new Button(player);
|
|
|
|
// Create hyperlink for current instance
|
|
var redirect_element = document.createElement('a');
|
|
redirect_element.setAttribute('href', location.pathname.replace('/embed/', '/watch?v='));
|
|
redirect_element.appendChild(document.createTextNode('Invidious'));
|
|
|
|
watch_on_invidious_button.el().appendChild(redirect_element);
|
|
watch_on_invidious_button.addClass('watch-on-invidious');
|
|
|
|
var cb = player.getChild('ControlBar');
|
|
cb.addChild(watch_on_invidious_button);
|
|
}
|
|
|
|
addEventListener('DOMContentLoaded', function () {
|
|
// Save time during redirection on another instance
|
|
const changeInstanceLink = document.querySelector('#watch-on-another-invidious-instance > a');
|
|
if (changeInstanceLink) changeInstanceLink.addEventListener('click', function () {
|
|
changeInstanceLink.href = addCurrentTimeToURL(changeInstanceLink.href);
|
|
});
|
|
});
|