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BBC iPlayer video download

This script allows to save videos from BBC iPlayer.

目前為 2015-02-20 提交的版本，檢視 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. // @version     1.0
  6. // @description This script allows to save videos from BBC iPlayer.
  7. // @copyright   2015+, Andrea Lazzarotto - GPLv3 License
  8. // @require     http://code.jquery.com/jquery-latest.min.js
  9. // @grant       GM_xmlhttpRequest
  10. // @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  11. // ==/UserScript==
  12.  
  13. get_title = function() {
  14. 	var title = $('meta[property="og:title"').attr('content') || 'output';
  15. 	return title.replace(/\W+/g, '_');
  16. }
  17.  
  18. appendURL = function(element, url) {
  19. 	element.after('<div id="direct-link"></div>');
  20. 	$('#direct-link').css({
  21. 		'padding': '.75em',
  22. 		'margin': '25px auto',
  23. 		'width': $('#player-outer-outer').width(),
  24. 		'border': '1px solid #444',
  25. 		'color': 'white',
  26. 		'font-family': 'sans-serif',
  27. 		'box-sizing': 'border-box'
  28. 	}).append('<p>To record the video, use <code>avconv</code> with the following command line:</p>' + 
  29. 			  '<pre>avconv -i "' + url + '" -codec copy -qscale 0 ' + get_title() + '.mp4</pre>' +
  30. 			  '<p>Alternatively, you may also try to record the M3U8 stream URL with VLC.</p>');
  31. 	$('#direct-link pre, #direct-link code').css({
  32. 		'white-space': 'normal',
  33. 		'word-break': 'break-word',
  34. 		'font-size': '1.15em',
  35. 		'margin': '.75em 0',
  36. 		'padding': '.75em',
  37. 		'background-color': '#444'
  38. 	});
  39. 	$('#direct-link code').css('padding','.25em');
  40. }
  41.  
  42. get_biggest = function(dict) {
  43. 	var s = 0;
  44. 	var o = null;
  45. 	for(var key in dict) {
  46. 		key = parseInt(key) || 0;
  47. 		if (key > s) {
  48. 			s = key;
  49. 			o = dict[key];
  50. 		}
  51. 	}
  52. 	return {'size': s, 'object': o};
  53. }
  54.  
  55. $(document).ready(function(){
  56. 	var button = $('button[data-download-sd^="bbc-ipd:download/"]');
  57. 	var spid = $('script:contains("mediator.bind")').html();
  58. 	var vpid = spid.split('vpid')[1].split('"')[2];
  59. 	var config_url = 'http://www.bbc.co.uk/iplayer/config/windows-phone';
  60. 	// figure out the mediaselector URL
  61. 	$.getJSON(config_url, function(data) {
  62. 		var selector_mobile = data['mediaselector'].replace('{vpid}', vpid);
  63. 		var selector_pc = selector_mobile.replace(/mobile-.*vpid/, 'pc/vpid');
  64. 		
  65. 		// get mobile data
  66. 		GM_xmlhttpRequest({
  67. 			method: 'GET',
  68. 			url: selector_mobile,
  69. 			onload: function(responseDetails) {
  70. 				var r = responseDetails.responseText;
  71. 				var doc = $.parseXML(r);
  72. 				var $xml = $(doc);
  73. 				
  74. 				var media = {};
  75. 				$xml.find('media[kind^="video"]').each(function() {
  76. 					var bitrate = $(this).attr('bitrate');
  77. 					var href = $(this).find('connection').attr('href');
  78. 					media[bitrate] = href;
  79. 				});
  80. 				var m3u8_url = get_biggest(media);
  81. 				
  82. 				// get desktop data for higher quality
  83. 				GM_xmlhttpRequest({
  84. 					method: 'GET',
  85. 					url: selector_pc,
  86. 					onload: function(responseDetails) {
  87. 						var r = responseDetails.responseText;
  88. 						var doc = $.parseXML(r);
  89. 						var $xml = $(doc);
  90. 						
  91. 						var media = {};
  92. 						$xml.find('media[kind^="video"]').each(function() {
  93. 							var bitrate = $(this).attr('bitrate');
  94. 							var identifier = $(this).find('connection[application="ondemand"]').attr('identifier');
  95. 							if(identifier)
  96. 								media[bitrate] = identifier;
  97. 						});
  98. 						var high_quality = get_biggest(media);
  99. 						
  100. 						// compose the M3U8 stream URL
  101. 						GM_xmlhttpRequest({
  102. 							method: 'GET',
  103. 							url: m3u8_url['object'],
  104. 							onload: function(responseDetails) {
  105. 								var r = responseDetails.responseText;
  106. 								
  107. 								var urls = r.split('\n').slice(1);
  108. 								var final_url = urls[1];
  109. 								
  110. 								// fix the final url
  111. 								var old_pieces = final_url.split(',');
  112. 								var pieces = [old_pieces[0], old_pieces[1], old_pieces[old_pieces.length-1]];
  113. 								var p = 1;
  114. 								var high_quality_piece = high_quality['object'].replace('.mp4','').split('/').slice(1).join('/');
  115. 								var new_p = pieces[p].split('/').slice(0,2).join('/') + '/' + high_quality_piece;
  116. 								pieces[p] = new_p;
  117. 								final_url = pieces.join(',');
  118. 								
  119. 								// output the M3U8 URL
  120. 								appendURL($('#player-outer-outer'), final_url);
  121. 							}
  122. 						});
  123. 					}
  124. 				});
  125. 			}
  126. 		});
  127. 	}); // getJSON
  128. }); // $(document).ready.ready