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BBC iPlayer video download

This script allows to save videos from BBC iPlayer.

目前为 2015-12-29 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        BBC iPlayer video download
  3. // @namespace   http://andrealazzarotto.com/
  4. // @include     http://www.bbc.co.uk/iplayer/episode/*
  5. // @include     http://www.bbc.co.uk/programmes/*
  6. // @include     http://www.bbc.co.uk/*radio/*
  7. // @version     3.2.1
  8. // @description This script allows to save videos from BBC iPlayer.
  9. // @copyright   2015+, Andrea Lazzarotto - GPLv3 License
  10. // @require     http://code.jquery.com/jquery-latest.min.js
  11. // @grant       GM_xmlhttpRequest
  12. // @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  13. // ==/UserScript==
  14.  
  15. get_title = function() {
  16. 	var title = $('meta[property="og:title"]').attr('content') || 'output';
  17. 	return title.replace(/\W+/g, '_');
  18. }
  19.  
  20. appendURL = function(element, url, ext, kind) {
  21. 	var extension = ext || 'mp4';
  22. 	var type = kind || 'video';
  23. 	var codec = type == 'video' ? ' -codec copy -qscale 0 ' : ' ';
  24. 	element.after('<div id="direct-link"></div>');
  25. 	$('#direct-link').css({
  26. 		'padding': '.75em',
  27. 		'margin': '25px auto',
  28. 		'width': $('#player-outer-outer').width(),
  29. 		'border': '1px solid #444',
  30. 		'background-color': '#252525',
  31. 		'color': 'white',
  32. 		'font-family': 'sans-serif',
  33. 		'box-sizing': 'border-box'
  34. 	}).append('<p>To record the ' + type + ', use <code>avconv</code> with the following command line:</p>' + 
  35. 			  '<pre>avconv -i "' + url + '"' + codec + get_title() + '.' + extension + '</pre>' +
  36. 			  '<p>If you get an error about <code>Malformed AAC bitstream</code>, add option ' +
  37. 			  '<code>-bsf:a aac_adtstoasc</code> before the file name</p>' +
  38. 			  '<p>Alternatively, you may also try to record the M3U8 stream URL with VLC.</p>');
  39. 	$('#direct-link pre, #direct-link code').css({
  40. 		'white-space': 'normal',
  41. 		'word-break': 'break-word',
  42. 		'font-size': $('#direct-link p').css('font-size'),
  43. 		'margin': '.75em 0',
  44. 		'padding': '.75em',
  45. 		'background-color': '#444'
  46. 	});
  47. 	$('#direct-link code').css('padding','.25em');
  48. 	$('#direct-link p:last-child').css('margin-bottom', '0');
  49. }
  50.  
  51. get_biggest = function(dict) {
  52. 	var s = 0;
  53. 	var o = null;
  54. 	for(var key in dict) {
  55. 		key = parseInt(key) || 0;
  56. 		if (key > s) {
  57. 			s = key;
  58. 			o = dict[key];
  59. 		}
  60. 	}
  61. 	return {'size': s, 'object': o};
  62. }
  63.  
  64. render_piece = function(html) {
  65. 	var tree = $(html);
  66. 	if (tree.length == 0)
  67. 		return '';
  68. 	var output = [];
  69. 	var nodes = tree[0].childNodes;
  70. 	var hyph = html.toString().indexOf('<span') > 0 ? '- ' : '';
  71. 	for (var o = 0; o < nodes.length; o++) {
  72. 		if (nodes[o].toString().indexOf('Text') > 0)
  73. 			output.push(hyph + nodes[o].textContent);
  74. 		else {
  75. 			var name = nodes[o].tagName.toLowerCase();
  76. 			switch(name) {
  77. 				case 'br':
  78. 					output.push(' ');
  79. 					break;
  80. 				case 'span':
  81. 					output.push('\n' + hyph)
  82. 					output.push(render_piece(nodes[o]));
  83. 					output.push('\n');
  84. 					break;
  85. 			}
  86. 		}
  87. 	}
  88. 	var joined = output.join('');
  89. 	joined = joined.replace(/\s+\n/, '\n').replace(/(^\n|\n$)/, '');
  90. 	joined = joined.replace(/\n+/, '\n').replace(/\s+/, ' ');
  91. 	return joined;
  92. }
  93.  
  94. render_p = function(html, id) {
  95. 	var tree = $(html);
  96. 	var begin = tree.attr('begin').replace('.', ',');
  97. 	var end = tree.attr('end').replace('.', ',');
  98. 	return id + '\n' +
  99. 		begin + ' --> ' + end + '\n' +
  100. 		render_piece(html);
  101. }
  102.  
  103. handle_subtitles = function(subURL) {
  104. 	GM_xmlhttpRequest({
  105. 		method: 'GET',
  106. 		url: subURL,
  107. 		onload: function(responseDetails) {
  108. 			var r = responseDetails.responseText;
  109. 			var doc = $.parseXML(r);
  110. 			var $xml = $(doc);
  111. 			
  112. 			var srt_list = [];
  113. 			$xml.find('p').each(function(index, value){
  114. 				srt_list.push(render_p(value.outerHTML, index+1));
  115. 			});
  116. 			
  117. 			$('#direct-link p:last-child').css('margin-bottom', 'auto');
  118. 			$('#direct-link').append('<ul><li><a id="srt-link">Download converted subtitles (SRT)</a></li>' +
  119. 									 '<li><a href="' + subURL + '">Download original subtitles (TTML)</a></li></ul>');
  120. 			$('#srt-link').attr('href', 'data:text/plain;charset=utf-8,'
  121. 				+ encodeURIComponent(srt_list.join('\n\n'))).attr('download', get_title() + '.srt');
  122. 			$('#direct-link a').css({
  123. 				'color': 'white',
  124. 				'font-weight': 'bold'
  125. 			});
  126. 			$('#direct-link ul').css({
  127. 				'list-style': 'initial',
  128. 				'padding-left': '2em',
  129. 				'margin-top': '.5em'
  130. 			});
  131. 		}
  132. 	});
  133. }
  134.  
  135. handle_pid = function(vpid, selector){
  136. 	var config_url = 'http://www.bbc.co.uk/iplayer/config/windows-phone';
  137. 	// figure out the mediaselector URL
  138. 	$.getJSON(config_url, function(data) {
  139. 		var selector_mobile = data['mediaselector'].replace('{vpid}', vpid);
  140. 		var selector_pc = selector_mobile.replace(/mobile-.*vpid/, 'pc/vpid');
  141.  
  142. 		// get mobile data
  143. 		GM_xmlhttpRequest({
  144. 			method: 'GET',
  145. 			url: selector_mobile,
  146. 			onload: function(responseDetails) {
  147. 				var r = responseDetails.responseText;
  148. 				var doc = $.parseXML(r);
  149. 				var $xml = $(doc);
  150. 				
  151. 				var media = {};
  152. 				
  153. 				console.log('SELECTOR_MOBILE: ' + selector_mobile);
  154. 				var urls = $xml.find('media[kind^="video"]');
  155. 				var kind = 'video';
  156. 				if (!urls.length) {
  157. 					urls = $xml.find('media[kind^="audio"]');
  158. 					kind = 'audio';
  159. 				}
  160.  
  161. 				urls.each(function() {
  162. 					var bitrate = $(this).attr('bitrate');
  163. 					var href = $(this).find('connection').attr('href');
  164. 					media[bitrate] = href;
  165. 				});
  166. 				var subURL = $xml.find('media[service="captions"] connection').attr('href');
  167. 				var m3u8_url = get_biggest(media);
  168. 				console.log("M3U8_URL: " + m3u8_url['object']);
  169. 				
  170. 				// get desktop data for higher quality
  171. 				GM_xmlhttpRequest({
  172. 					method: 'GET',
  173. 					url: selector_pc,
  174. 					onload: function(responseDetails) {
  175. 						var r = responseDetails.responseText;
  176. 						var doc = $.parseXML(r);
  177. 						var $xml = $(doc);
  178. 						
  179. 						var media = {};
  180. 						
  181. 						var urls = $xml.find('media[kind^="video"]');
  182. 						if (!urls.length)
  183. 							urls = $xml.find('media[kind^="audio"]');
  184. 						
  185. 						urls.each(function() {
  186. 							var bitrate = $(this).attr('bitrate');
  187. 							var identifier = $(this).find('connection[application="ondemand"], ' +
  188. 								'connection[application*="/e3"]').attr('identifier');
  189. 							if(identifier)
  190. 								media[bitrate] = identifier;
  191. 						});
  192. 						var high_quality = get_biggest(media);
  193. 						console.log("HIGH_QUALITY: " + high_quality['object']);
  194. 						
  195. 						// compose the M3U8 stream URL
  196. 						GM_xmlhttpRequest({
  197. 							method: 'GET',
  198. 							url: m3u8_url['object'],
  199. 							onload: function(responseDetails) {
  200. 								var r = responseDetails.responseText;
  201. 								
  202. 								var urls = r.split('\n').slice(1);
  203. 								var final_url = m3u8_url['object'].indexOf('prod_af') < 0 ? urls[1] : m3u8_url['object'];
  204. 								console.log('FINAL_URL: ' + final_url);
  205. 								
  206. 								var ext = kind == 'video' ? 'mp4' : 'mp3';
  207. 								// fix the final url
  208. 								if (kind == 'video' || final_url.indexOf('kbps') > 0) {
  209. 									var old_pieces = final_url.split(',');
  210. 									var pieces = [old_pieces[0], old_pieces[1], old_pieces[old_pieces.length-1]];
  211. 									var p = 1;
  212. 									
  213. 									var strpiv = 'kbps/';
  214. 									
  215. 									var template = pieces[p];
  216. 									var cutter = template.indexOf(strpiv);
  217. 									var pivot = template.substring(0, cutter).lastIndexOf('/');
  218. 									template = template.substring(0, pivot+1);
  219. 									
  220. 									var hq_piece = high_quality['object'];
  221. 									cutter = hq_piece.indexOf(strpiv);
  222. 									pivot = hq_piece.substring(0, cutter).lastIndexOf('/');
  223. 									hq_piece = hq_piece.substring(pivot+1, 1000).replace('.mp4', '');
  224. 									
  225. 									console.log(pivot);
  226. 									console.log(hq_piece);
  227.  
  228. 									pieces[p] = [template, hq_piece].join('');
  229. 									
  230. 									console.log(pieces);
  231. 									
  232. 									final_url = pieces.join(',');
  233. 								}
  234. 								
  235. 								console.log('KIND: ' + kind);
  236. 								
  237. 								// output the M3U8 URL
  238. 								appendURL($(selector), final_url, ext, kind);
  239. 								console.log("SUBURL: " + subURL);
  240. 								handle_subtitles(subURL);
  241. 							}
  242. 						});
  243. 					}
  244. 				});
  245. 			}
  246. 		});
  247. 	}); // getJSON
  248. }
  249.  
  250. $(document).ready(function(){
  251. 	var isRadio = (unsafeWindow.location.href.indexOf('radio/') > 0) && !!($('#empbox').length);
  252. 	var isProgramme = !!unsafeWindow.bbcProgrammes;
  253. 	
  254. 	if (isRadio) {
  255. 		var playlist = unsafeWindow.clipcontentPlaylist;
  256. 		var empconf = unsafeWindow.empConfig;
  257. 		var subdir = empconf.split('.co.uk/')[1].split('/')[0];
  258. 		var parts = playlist.split('iplayer/playlist');
  259. 		var playlist = parts[0] + subdir + '/iplayer/playlist' + parts[1];
  260. 		$.getJSON(playlist, function(data) {
  261. 			console.log('VPID: ' + data.pid);
  262. 			handle_pid(data.pid, '#empbox');
  263. 		});
  264. 		return;
  265. 	}
  266. 	
  267. 	if (isProgramme) {
  268. 		var clipid = location.href.split("/")[4];
  269. 		$.getJSON('http://www.bbc.co.uk/programmes/' + clipid + '/playlist.json', function(data) {
  270. 			var vpid = data.defaultAvailableVersion.pid;
  271. 			console.log("VPID: " + vpid.toString());
  272. 			handle_pid(vpid, '.island .cf.component, .episode-playout');
  273. 		});
  274. 	}
  275. 	
  276. 	else {
  277. 		var spid = $('script:contains("mediator.bind")').html();
  278. 		var vpid = spid.split('vpid')[1].split('"')[2];
  279. 		handle_pid(vpid, '#player-outer-outer');
  280. 	}
  281. }); // $(document).ready.ready