☰

Lazy Embedded Video

Lazy load embedded videos from Youtube/Dailymotion/Vimeo/Rutube/Twitch/Ustream/Coub/Vine/Facebook

当前为 2017-10-13 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Lazy Embedded Video
  3. // @namespace   zeusex81@gmail.com
  4. // @description Lazy load embedded videos from Youtube/Dailymotion/Vimeo/Rutube/Twitch/Ustream/Coub/Vine/Facebook
  5. // @version     3.2
  6. // @include     *
  7. // @icon        https://i.imgur.com/rf0mFDM.png
  8. // @license     MIT
  9. // @grant       GM.getValue
  10. // @grant       GM.setValue
  11. // @grant       GM_getValue
  12. // @grant       GM_setValue
  13. // @run-at      document-start
  14. // ==/UserScript==
  15.  
  16. (async function() {
  17. 	var a = document.createElement("A");
  18. 	try      { a.href = top.location.href; }
  19. 	catch(e) { a.href = document.referrer || location.href; }
  20. 	if(a.hostname != location.hostname || /^([^.]+\.)?(youtube|dailymotion|vimeo|rutube|twitch|ustream|coub|vine|facebook)\.[^.]+$/.test(a.hostname))
  21. 		return;
  22. 	
  23. 	var getValue = typeof(GM) != "undefined" ? GM.getValue : typeof(GM_getValue) != "undefined" ? GM_getValue :
  24. 								 function(name, value) { return localStorage.getItem(name) || value; };
  25. 	var setValue = typeof(GM) != "undefined" ? GM.setValue : typeof(GM_setValue) != "undefined" ? GM_setValue :
  26. 								 function(name, value) { localStorage.setItem(name, value); };
  27. 	
  28. 	var settings = JSON.parse(await getValue("zeusLEV", '[false,true,[]]'));
  29. 	if(settings[2].includes(location.hostname))
  30. 		return;
  31. 	window.addEventListener("message", async function(e) {
  32. 		if(e.data.startsWith("zeusLEV CSP")) {
  33. 			iframes[parseInt(e.data.substr(11))].dataset.levCsp = true;
  34. 			return;
  35. 		}
  36. 		settings = JSON.parse(await getValue("zeusLEV", '[false,true,[]]'));
  37. 		switch(e.data) {
  38. 		case "zeusLEV autoplay false" : settings[0] = false; break;
  39. 		case "zeusLEV autoplay true"  : settings[0] = true;  break;
  40. 		case "zeusLEV flash false"    : settings[1] = false; break;
  41. 		case "zeusLEV flash true"     : settings[1] = true;  break;
  42. 		case "zeusLEV reset"          : settings[2] = [];    break;
  43. 		case "zeusLEV whitelist"      :
  44. 			observer.disconnect();
  45. 			cancelAnimationFrame(animation);
  46. 			if(!settings[2].includes(location.hostname))
  47. 				settings[2].push(location.hostname);
  48. 			for(var i = 0; i < iframes.length; i++)
  49. 				iframes[i].removeAttribute("srcdoc");
  50. 			break;
  51. 		default : return;
  52. 		}
  53. 		setValue("zeusLEV", JSON.stringify(settings));
  54. 	});
  55. 	
  56. 	var html, iframes = [];
  57. 	var createHtml = function(url, src, api, background_img) {
  58. 		/(.*\/\/(?:[^.\/]+\.)?([^.\/]+)\.[^.\/]+)\//i.test(url);
  59. 		var provider_url = RegExp.$1, provider_name = RegExp.$2, data_convert = "", button_color = "";
  60. 		api += '&callback=jsonpCallback';
  61. 		if(api.includes("yahooapis"))
  62. 			data_convert += 'data = data.query.results.json;';
  63. 		switch(provider_name) {
  64. 		case "youtube" :
  65. 			button_color  = "#c22";
  66. 			data_convert += 'data = {'+
  67.                         'thumbnail_url: (data.items[0].snippet.thumbnails.maxres || data.items[0].snippet.thumbnails.standard || '+
  68.                                 'data.items[0].snippet.thumbnails.high   || data.items[0].snippet.thumbnails.medium   || '+
  69.                                 'data.items[0].snippet.thumbnails.default).url,'+
  70.                         'title:          data.items[0].snippet.title,'+
  71.                         'author_url:     "//www.youtube.com/channel/"+data.items[0].snippet.channelId,'+
  72.                         'author_name:    data.items[0].snippet.channelTitle,'+
  73.                         'duration:       data.items[0].contentDetails ? /PT(\\d+H)?(\\d+M)?(\\d+S)?/i.test(data.items[0].contentDetails.duration) && '+
  74.                                 '(parseInt(RegExp.$1||0)*3600+parseInt(RegExp.$2||0)*60+parseInt(RegExp.$3||0)) || "LIVE" : "PLAYLIST"'+
  75.                       '};';
  76. 			/*data_convert += 'if(data.thumbnail_url) {'+
  77.                       'var img    = new Image();'+
  78.                       'img.onload = function() {'+
  79.                         'var valid = this.naturalWidth > 120;'+
  80.                         'if(this.src.includes("hqdefault_live")) {'+
  81.                           'this.src = this.src.replace("hqdefault"+(valid ? "" : "_live"), "maxresdefault");'+
  82.                         '} else if(valid) {'+
  83.                           'document.body.style.backgroundImage = "url("+this.src+")";'+
  84.                         '} else if(this.src.includes("maxresdefault")) {'+
  85.                           'this.src = this.src.replace("maxresdefault", "sddefault");'+
  86.                         '} else {'+
  87.                           'document.body.style.backgroundImage = "url("+this.src.replace("sddefault", "hqdefault")+")";'+
  88.                         '}'+
  89.                       '};'+
  90.                       'img.src = removeProtocol(data.thumbnail_url.replace(/\\w+.jpg$/, "hqdefault_live.jpg"));'+
  91.                       'delete data.thumbnail_url;'+
  92.                     '}';*/
  93. 			break;
  94. 		case "dailymotion" :
  95. 			button_color  = "#fd5";
  96. 			// data_convert += 'if(data.thumbnail_url) data.thumbnail_url = data.thumbnail_url.replace(/\\/x240[^.]+/i, "");';
  97. 			data_convert += 'data.author_url  = data["owner.url"];'+
  98.                       'data.author_name = data["owner.screenname"];'+
  99.                       'if(!data.duration) data.duration = "LIVE";';
  100. 			break;
  101.     case "vimeo" :
  102. 			button_color  = "#5af";
  103. 			data_convert += 'if(data.thumbnail_url) data.thumbnail_url = data.thumbnail_url.replace(/_\\d+x\\d+/i, "");';
  104.       break;
  105.     case "rutube" :
  106. 			button_color  = "#444";
  107. 			data_convert += 'if(data.thumbnail_url) data.thumbnail_url = data.thumbnail_url.replace(/\\?.+/i, "");';
  108.       break;
  109. 		case "twitch" :
  110. 			button_color  = "#548";
  111. 			var id = url.match(/[^\/]+$/)[0];
  112. 			if(src.includes("channel")) { // channel live
  113. 				data_convert += 'var script = document.getElementById("api");'+
  114. 								'if(script.src.includes("/users")) {'+
  115. 									'if(data.users[0]) {'+
  116. 										'var script2 = document.createElement("SCRIPT");'+
  117. 										'script2.id  = "api";'+
  118. 										'script2.src = "'+api+'".replace("{api}", "streams")+"&channel="+data.users[0]._id;'+
  119. 										'document.body.replaceChild(script2, script);'+
  120. 									'}'+
  121. 									'return;'+
  122. 								'} else if(script.src.includes("/streams")) {'+
  123. 									'if(data.streams.length == 0) {'+
  124. 										'document.getElementById("space").insertAdjacentHTML("afterend", "<div id=duration>offline</div>");'+
  125. 										'var script2 = document.createElement("SCRIPT");'+
  126. 										'script2.id  = "api";'+
  127. 										'script2.src = "'+api+'".replace("{api}", "channels/"+script.src.match(/[^=]+$/)[0]);'+
  128. 										'document.body.replaceChild(script2, script);'+
  129. 										'return;'+
  130. 									'}'+
  131. 									'if(data.streams[0].preview)'+
  132. 										'data.streams[0].channel.video_banner = data.streams[0].preview.template.replace("{width}x{height}", "0x0");'+
  133. 									'else delete data.streams[0].channel.video_banner;'+
  134. 									'data = data.streams[0].channel;'+
  135. 								'}'+
  136. 								'data.title         = data.status || "Untitled Broadcast";'+
  137. 								'if(data.video_banner) data.thumbnail_url = data.video_banner;'+
  138. 								'if(data.url)          data.author_url    = data.url;'+
  139. 								'if(data.display_name) data.author_name   = data.display_name;'+
  140. 								'if(data.game)         data.duration      = \'playing <a target=_blank href="'+provider_url+
  141. 																			'/directory/game/\'+data.game+\'">\'+data.game+\'</a>\';'+
  142. 								'if(document.getElementById("duration")) delete data.duration;';
  143. 				if(background_img)
  144. 					api = api.replace("{api}", "users")+'&login='+id;
  145. 				else
  146. 					api = api.replace("{api}", "streams")+'&channel='+id;
  147. 			} else { // video recorded
  148. 				api = api.replace("{api}", "videos/"+id);
  149. 				data_convert += 'if(data.preview) data.thumbnail_url = data.preview.template.replace("{width}x{height}", "0x0");'+
  150. 								'if(data.channel) data.author_url    = data.channel.url;'+
  151. 								'if(data.channel) data.author_name   = data.channel.display_name;'+
  152. 								'if(data.length)  data.duration      = data.length;';
  153. 			}
  154. 			break;
  155. 		case "ustream" :
  156. 			button_color  = "#f82";
  157. 			if(background_img) // channel live
  158. 				data_convert += 'delete data.thumbnail_url;';
  159. 			break;
  160. 		case "coub" :
  161. 			button_color  = "#04f";
  162. 			data_convert += 'if(data.channel_url) data.author_url = data.channel_url;';
  163. 			break;
  164. 		case "vine" :
  165. 			button_color  = "#0b8";
  166. 			break;
  167. 		case "facebook" :
  168. 			button_color  = "#ccc";
  169. 			data_convert += 'data.title = /<a.*?>(.+)<\\/a><p>/i.test(data.html) ? RegExp.$1 : "Untitled";';
  170. 			break;
  171. 		}
  172. 		if(!html) html = [
  173. 			'<!doctype html>'+
  174. 			'<html>'+
  175. 				'<head>'+
  176. 					'<title>Lazy Embedded Video</title>'+
  177. 					'<style>'+
  178. 						'html { height:100%; } '+
  179. 						'body { margin:0; height:100%; color:white; font:14px sans-serif; '+
  180. 								'background:black center/100% no-repeat; } '+
  181. 						'a { color:inherit; font-weight:bold; text-decoration:none; } '+
  182. 						'a:hover { text-decoration:underline; } '+
  183. 						'#interface { position:absolute; width:100%; height:100%; overflow:hidden; opacity:0.9; '+
  184. 						'-moz-user-select:none; -webkit-user-select:none; -ms-user-select:none; user-select:none; } '+
  185. 						'#playButton { display:flex; height:100%; cursor:pointer; } '+
  186. 						'#playButton > div { width:70px; height:70px; margin:auto; border-radius:50%; background-color:black; } '+
  187. 						'#playButton:hover > div { background-color:', button_color, '; } '+
  188. 						'#playButton > div > div { width:0; height:0; margin:20px 0 0 25px; border:solid transparent; '+
  189. 												'border-width:14px 0px 14px 28px; border-left-color:white; } '+
  190. 						'#infobar { position:absolute; top:0px; width:100%; height:32px; display:flex; '+
  191. 						'box-sizing:border-box; background:black; border:0px solid grey; border-bottom-width:1px; } '+
  192. 							'#author, #title, #duration { overflow:hidden; white-space:nowrap; margin:auto 8px; } '+
  193. 							'#author { flex-shrink:0; max-width:30%; color:', button_color ,'; } '+
  194. 							'#space { flex-grow:1; } '+
  195. 							'#duration { flex-shrink:0; } '+
  196. 						'#settingsButton { flex-basis:32px; flex-shrink:0; font:bold 20px sans-serif; text-align:center; cursor:pointer; } '+
  197. 						'#settingsButton:hover { color:', button_color, '; } '+
  198. 						'#settingsButton.active { background-color:', button_color, '; color:black; } '+
  199. 						'#settingsPanel { position:absolute; right:0px; top:31px; max-height:100%; margin:0px; list-style:none; padding:8px; '+
  200. 						'border:solid grey; border-width:0px 0px 1px 1px; background-color:', button_color ,'; color:black; cursor:default; visibility:hidden; } '+
  201. 						'#settingsPanel.active { visibility:visible; } '+
  202. 							'#settingsPanel label { display:inline-block; width:144px; vertical-align:top; } '+
  203. 							'#settingsPanel button { width:100%; }'+
  204. 					'</style>'+
  205. 				'</head>'+
  206. 				'<body>'+
  207. 					'<div id=interface>'+
  208. 						'<div id=playButton onclick="location.replace(\'', src, '\');"><div><div></div></div></div>'+
  209. 						'<div id=infobar>'+
  210. 							'<a id=author target=_blank onmouseenter="this.title = this.scrollWidth > this.clientWidth ? this.textContent : \'\';" href="', provider_url, '">', provider_name, '</a>'+
  211. 							'<a id=title target=_blank onmouseenter="this.title = this.scrollWidth > this.clientWidth ? this.textContent : \'\';" href="', url, '">', url, '</a>'+
  212. 							'<div id=space></div>'+
  213. 							'<span id=settingsButton>⚙</span>'+
  214. 						'</div>'+
  215. 						'<ul id=settingsPanel>'+
  216. 							'<li><label>Allow autoplay:</label><input class=setting type=checkbox', '', '></li>'+
  217. 							'<li><label>Legacy Flash support:</label><input class=setting type=checkbox', '', '></li>'+
  218. 							'<li><button class=setting>Whitelist this site</button>'+
  219. 							'<li><button class=setting>Clear whitelist</button>'+
  220. 						'</ul>'+
  221. 					'</div>'+
  222. 					'<script>'+
  223. 						'parent.postMessage("zeusLEV CSP ', iframes.length, '", "'+location.href+'");'+
  224. 						'var settingsButton = document.getElementById("settingsButton");'+
  225. 						'var settingsPanel  = document.getElementById("settingsPanel");'+
  226. 						'settingsButton.onclick = function() {'+
  227. 							'settingsButton.classList.toggle("active");'+
  228. 							'settingsPanel.classList.toggle("active");'+
  229. 						'};'+
  230. 						'[].slice.call(settingsPanel.getElementsByClassName("setting")).forEach(function(e, i) {'+
  231. 							'switch(i) {'+
  232. 							'case 0: e.onchange = function() { parent.postMessage("zeusLEV autoplay "+e.checked, "'+location.href+'"); }; break;'+
  233. 							'case 1: e.onchange = function() { parent.postMessage("zeusLEV flash "+e.checked   , "'+location.href+'"); }; break;'+
  234. 							'case 2: e.onclick  = function() { parent.postMessage("zeusLEV whitelist"          , "'+location.href+'"); }; break;'+
  235. 							'case 3: e.onclick  = function() { parent.postMessage("zeusLEV reset"              , "'+location.href+'"); }; break;'+
  236. 							'}'+
  237. 						'});'+
  238. 						'var loaded = false;'+
  239. 						'function removeProtocol(url) { return url.replace(/^[a-z]+:/i, ""); }'+
  240. 						'function jsonpCallback(data) {',
  241. 							data_convert,
  242. 							'loaded = true;'+
  243. 							'if(data.thumbnail_url) document.body.style.backgroundImage           = "url("+removeProtocol(data.thumbnail_url)+")";'+
  244. 							'if(data.url)           document.getElementById("title").href         = removeProtocol(data.url);'+
  245. 							'if(data.title)         document.getElementById("title").textContent  = data.title;'+
  246. 							'if(data.author_url)    document.getElementById("author").href        = removeProtocol(data.author_url);'+
  247. 							'if(data.author_name)   document.getElementById("author").textContent = data.author_name;'+
  248. 							'if(data.duration)      document.getElementById("space").insertAdjacentHTML("afterend",'+
  249. 								'"<div id=duration>"+(Number(data.duration) ? new Date(data.duration*1000).toISOString().substr(11,8) : data.duration)+"</div>");'+
  250. 						'}'+
  251. 					'</script>'+
  252. 					'<script id=api src="', api, '"></script>'+
  253. 					'<script>'+
  254. 						'if(!loaded)'+
  255. 							'document.body.style.backgroundImage = "', background_img, '";'+
  256. 					'</script>'+
  257. 				'</body>'+
  258. 			'</html>'
  259. 		];
  260. 		html[ 1] = button_color;
  261. 		html[ 3] = button_color;
  262. 		html[ 5] = button_color;
  263. 		html[ 7] = button_color;
  264. 		html[ 9] = button_color;
  265. 		html[11] = src;
  266. 		html[13] = provider_url;
  267. 		html[15] = provider_name;
  268. 		html[17] = url;
  269. 		html[19] = url;
  270. 		html[21] = settings[0] ? ' checked' : '';
  271. 		html[23] = settings[1] ? ' checked' : '';
  272. 		html[25] = iframes.length;
  273. 		html[27] = data_convert;
  274. 		html[29] = api;
  275. 		html[31] = background_img;
  276. 	};
  277. 	
  278. 	var createOembed  = function(api, url) { return api+encodeURIComponent(url); };
  279. 	// var createNOembed = function(api, url) { return createOembed("https://noembed.com/embed?url=", url); };
  280. 	var createYOembed = function(api, url) { return createOembed("//query.yahooapis.com/v1/public/yql?format=json&q=",
  281.                                                                'SELECT * FROM json WHERE url="'+createOembed(location.protocol+api,url)+'"'); };
  282. 	
  283. 	var createLazyVideo = function(elem) {
  284.     var id, args, url, src = elem.src || elem.data || elem.dataset.src;
  285.     if(!src || elem.dataset.levProcessed) return;
  286. 		elem.dataset.levProcessed = 1;
  287. 		a.href = src;
  288.     switch(a.hostname.match(/([^.]+)\.[^.]+$/)[1]) {
  289.     case "youtube" :
  290.     	if(/\/(?:p\/|embed\/videoseries)([^&]*)/i.test(a.pathname)) {
  291. 				id = RegExp.$1 || (/[?&]list=([^&]+)/i.test(a.search) && RegExp.$1);
  292. 				if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  293. 				args = "?autoplay=1";
  294. 				if(/[?&](v=[^&]+)/i.test(a.search))     args += "&"+RegExp.$1;
  295. 				if(/[?&](index=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  296. 				if(/[?&](start=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  297. 				createHtml(
  298. 					url = /[?&]v=([^&]+)/i.test(a.search) ? "//www.youtube.com/watch"+args+"&list="+id : "//www.youtube.com/playlist?list="+id,
  299. 					src = "//www.youtube.com/embed/videoseries"+args+"&list="+id,
  300. 					"https://www.googleapis.com/youtube/v3/playlists?part=snippet&fields=items/snippet(channelId,title,thumbnails,channelTitle)&key=AIzaSyDLowtdhRBblJhyDhtiPaIbwRKT_PSyHWE&id="+id,
  301. 					/[?&]v=([^&]+)/i.test(a.search) ? "url(//i.ytimg.com/vi/"+RegExp.$1+"/hqdefault.jpg)" : null
  302. 				);
  303.       } else if(/\/(?:v|embed)\/([^&]*)/i.test(a.pathname)) {
  304. 				id = RegExp.$1 || (/[?&]v=([^&]+)/i.test(a.search) && RegExp.$1);
  305. 				if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  306. 				args = "?autoplay=1";
  307. 				if(/[?&](start=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  308. 				createHtml(
  309. 					url = "//www.youtube.com/watch"+args+"&v="+id,
  310. 					src = "//www.youtube.com/embed/"+id+args,
  311. 					// createNOembed("//www.youtube.com/oembed?format=json&url=", location.protocol+url),
  312. 					"https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails&fields=items(snippet(channelId,title,thumbnails,channelTitle),contentDetails/duration)&key=AIzaSyDLowtdhRBblJhyDhtiPaIbwRKT_PSyHWE&id="+id,
  313. 					"url(//i.ytimg.com/vi/"+id+"/hqdefault.jpg)"
  314. 				);
  315. 			}
  316.       break;
  317.     case "dailymotion" :
  318.       if(/\/(?:swf|embed)\/(?:video\/)?([^&_]+)/i.test(a.pathname)) id = RegExp.$1;
  319.       if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  320.       args = "?autoplay=1";
  321.       // if(/[?&](mute=[^&]+)/i.test(a.search))  args += "&"+RegExp.$1;
  322.       if(/[?&](start=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  323. 			createHtml(
  324. 				url = "//www.dailymotion.com/video/"+id+args,
  325. 				src = "//www.dailymotion.com/embed/video/"+id+args,
  326. 				// createOembed("//www.dailymotion.com/services/oembed?format=json&url=", location.protocol+url),
  327. 				"https://api.dailymotion.com/video/"+id+"?fields=owner.screenname,owner.url,title,url,duration,thumbnail_url",
  328. 				"url(//www.dailymotion.com/thumbnail/video/"+id+")"
  329. 			);
  330.       break;
  331.     case "vimeo" :
  332.       if(/\/(?:moogaloop\.swf|video\/)([^&]*)/i.test(a.pathname))
  333. 				id = RegExp.$1 || (/[?&]clip_id=([^&]+)/i.test(a.search) && RegExp.$1);
  334.       if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  335.       args = "?autoplay=1";
  336.       if(/[?&](loop=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  337.       if(/(\#t=[\dhms]+)/i.test(a.hash))     args += RegExp.$1;
  338. 			createHtml(
  339. 				url = "//vimeo.com/"+id+args,
  340. 				src = "//player.vimeo.com/video/"+id+args,
  341. 				createOembed("//vimeo.com/api/oembed.json?url=", url)
  342. 			);
  343.       break;
  344.     case "rutube" :
  345.       if(/\/play\/embed\/([^&.\/]+)/i.test(a.pathname)) id = RegExp.$1;
  346.       if(!id || (settings[0] && a.search.includes("autoStart=1"))) return;
  347.       args = "?autoStart=1";
  348.       if(/[?&](bmstart=[^&]+)/i.test(a.search)) args += "&"+RegExp.$1;
  349. 			createHtml(
  350. 				url = "//rutube.ru/"+(isNaN(id) ? "video/"+id+"/" : "tracks/"+id+".html/")+args,
  351. 				src = "//rutube.ru/play/embed/"+id+args,
  352. 				createOembed("//rutube.ru/api/oembed/?format=jsonp&url=", url)
  353. 			);
  354.       break;
  355.     case "twitch" :
  356.       if(/[?&](channel|video)=([^&]+)/i.test(a.search))            {args = RegExp.$1; id = RegExp.$2;}
  357.       else if(/[?&](stream=.+&channelId)=([^&]+)/i.test(a.search)) {args = RegExp.$1; id = RegExp.$2;}
  358. 			else if(/\/(.+)\/embed/i.test(a.pathname))                   {args = "channel"; id = RegExp.$1;}
  359.       if(!id || (settings[0] && a.search.includes("autoplay=true"))) return;
  360. 			createHtml(
  361. 				url = "//www.twitch.tv/"+(args=="video" ? id.replace("v","c/v/") : args=="channel" ? id :
  362.                                   args.replace("stream=", "streams/").replace("&channelId", "/channel/")+id),
  363. 				src = "//player.twitch.tv/?autoplay=true&"+args+"="+id,
  364. 				"https://api.twitch.tv/kraken/{api}?client_id=0&api_version=5",
  365. 				args=="channel" ? "url(//static-cdn.jtvnw.net/previews-ttv/live_user_"+id+"-0x0.jpg)" : null
  366. 			);
  367.       break;
  368.     case "ustream" :
  369.       if(/(?:\/embed)?\/(channel\/|recorded\/)?([^&]+)/i.test(a.pathname)) {args = RegExp.$1 || "channel/"; id = RegExp.$2;}
  370.       if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  371. 			createHtml(
  372. 				url = "//www.ustream.tv/"+args+id,
  373. 				src = "//www.ustream.tv/embed/"+(args=="channel/" ? "" : args)+id+"?html5ui=1&autoplay=1",
  374. 				createYOembed("//www.ustream.tv/oembed?format=json&url=", url),
  375. 				args=="channel/" && !isNaN(id) ? "url(//static-cdn1.ustream.tv/i/channel/live/1_"+id+",640x360,b:0.jpg)" : null
  376. 			);
  377.       break;
  378.     case "coub" :
  379.       if(/\/embed\/([^&]+)/i.test(a.pathname)) id = RegExp.$1;
  380.       if(!id || (settings[0] && a.search.includes("autostart=true"))) return;
  381. 			createHtml(
  382. 				url = "//coub.com/view/"+id,
  383. 				src = "//coub.com/embed/"+id+"?startWithHD=true&autostart=true",
  384. 				createYOembed("//coub.com/api/oembed.json?url=", url)
  385. 			);
  386.       break;
  387.     case "vine" :
  388.       if(/\/v\/([^&]+)\/embed\/([^&]+)/i.test(a.pathname)) {args = RegExp.$2; id = RegExp.$1;}
  389.       if(!id) return;
  390. 			createHtml(
  391. 				url = "//vine.co/v/"+id,
  392. 				src = "//vine.co/v/"+id+"/embed/"+args+"?audio=1",
  393. 				createOembed("//vine.co/oembed.json?url=", url)
  394. 			);
  395.       break;
  396.     case "facebook" :
  397.       if(a.pathname.endsWith("/plugins/video.php") && /[?&]href=([^&]+)/i.test(a.search)) {
  398. 				url = decodeURIComponent(RegExp.$1).replace(/^[a-z]+:/i, '');
  399. 				if(/\/videos.*?\/(\d+)/i.test(url)) id = RegExp.$1;
  400. 			}
  401.       if(!id || (settings[0] && a.search.includes("autoplay=1"))) return;
  402. 			createHtml(
  403. 				url,
  404. 				src = "//www.facebook.com/plugins/video.php?autoplay=1&href="+encodeURIComponent(location.protocol+url),
  405. 				createOembed("//www.facebook.com/plugins/video/oembed.json/?url=", location.protocol+url),
  406. 				"url(//graph.facebook.com/"+id+"/picture)"
  407. 			);
  408.       break;
  409.     default :
  410.       return;
  411.     }
  412. 		if(elem.tagName != "IFRAME") {
  413. 			if(elem.parentNode.tagName == "OBJECT")
  414. 				elem = elem.parentNode;
  415. 			var iframe = document.createElement("IFRAME");
  416. 			iframe.src           = src;
  417. 			iframe.id            = elem.id;
  418. 			iframe.name          = elem.name;
  419. 			iframe.className     = elem.className;
  420. 			iframe.style.cssText = elem.style.cssText;
  421. 			iframe.width         = elem.width;
  422. 			iframe.height        = elem.height;
  423. 			iframe.frameBorder   = elem.border;
  424. 			iframe.align         = elem.align;
  425. 			elem.parentNode.replaceChild(iframe, elem);
  426. 			elem = iframe;
  427. 		}
  428. 		elem.dataset.levProcessed = 2;
  429. 		elem.allowFullscreen      = true;
  430. 		elem.srcdoc               = html.join("");
  431. 		iframes.push(elem);
  432. 		setTimeout(function() {
  433. 			if(!elem.dataset.levCsp)
  434. 				elem.removeAttribute("srcdoc");
  435. 		}, 2000);
  436. 	};
  437. 	
  438. 	var refresh = true, observer, animation;
  439. 	var update = function() {
  440. 		if(!document.body) {
  441. 		} else if(!observer) {
  442. 			observer = new MutationObserver(function() { refresh = true; });
  443. 			observer.observe(document.body, {childList: true, attributes: false, characterData: false, subtree: true});
  444. 		} else if(refresh) {
  445. 			for(var i = 0, j, nodes; i < 3; i++) {
  446. 				nodes = document.getElementsByTagName(["IFRAME", "EMBED", "OBJECT"][i]);
  447. 				for(j = 0; j < nodes.length; j++)
  448. 					createLazyVideo(nodes[j]);
  449. 				if(!settings[1]) break;
  450. 			}
  451. 			refresh = false;
  452. 		}
  453.     animation = requestAnimationFrame(update);
  454. 	};
  455. 	update();
  456. })();

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