This script allows to save videos from BBC iPlayer.
目前為
// ==UserScript==
// @name BBC iPlayer video download
// @namespace http://andrealazzarotto.com/
// @include http://www.bbc.co.uk/iplayer/episode/*
// @include http://www.bbc.co.uk/programmes/*
// @version 3.0
// @description This script allows to save videos from BBC iPlayer.
// @copyright 2015+, Andrea Lazzarotto - GPLv3 License
// @require http://code.jquery.com/jquery-latest.min.js
// @grant GM_xmlhttpRequest
// @license GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==
get_title = function() {
var title = $('meta[property="og:title"]').attr('content') || 'output';
return title.replace(/\W+/g, '_');
}
appendURL = function(element, url) {
element.after('<div id="direct-link"></div>');
$('#direct-link').css({
'padding': '.75em',
'margin': '25px auto',
'width': $('#player-outer-outer').width(),
'border': '1px solid #444',
'color': 'white',
'font-family': 'sans-serif',
'box-sizing': 'border-box'
}).append('<p>To record the video, use <code>avconv</code> with the following command line:</p>' +
'<pre>avconv -i "' + url + '" -codec copy -qscale 0 ' + get_title() + '.mp4</pre>' +
'<p>Alternatively, you may also try to record the M3U8 stream URL with VLC.</p>');
$('#direct-link pre, #direct-link code').css({
'white-space': 'normal',
'word-break': 'break-word',
'font-size': $('#direct-link p').css('font-size'),
'margin': '.75em 0',
'padding': '.75em',
'background-color': '#444'
});
$('#direct-link code').css('padding','.25em');
$('#direct-link p:last-child').css('margin-bottom', '0');
}
get_biggest = function(dict) {
var s = 0;
var o = null;
for(var key in dict) {
key = parseInt(key) || 0;
if (key > s) {
s = key;
o = dict[key];
}
}
return {'size': s, 'object': o};
}
render_piece = function(html) {
var tree = $(html);
if (tree.length == 0)
return '';
var output = [];
var nodes = tree[0].childNodes;
var hyph = html.toString().indexOf('<span') > 0 ? '- ' : '';
for (var o = 0; o < nodes.length; o++) {
if (nodes[o].toString().indexOf('Text') > 0)
output.push(hyph + nodes[o].textContent);
else {
var name = nodes[o].tagName.toLowerCase();
switch(name) {
case 'br':
output.push(' ');
break;
case 'span':
output.push('\n' + hyph)
output.push(render_piece(nodes[o]));
output.push('\n');
break;
}
}
}
var joined = output.join('');
joined = joined.replace(/\s+\n/, '\n').replace(/(^\n|\n$)/, '');
joined = joined.replace(/\n+/, '\n').replace(/\s+/, ' ');
return joined;
}
render_p = function(html) {
var tree = $(html);
var begin = tree.attr('begin').replace('.', ',');
var end = tree.attr('end').replace('.', ',');
var id = tree.attr('id').replace('p', '');
return id + '\n' +
begin + ' --> ' + end + '\n' +
render_piece(html);
}
handle_subtitles = function(subURL) {
GM_xmlhttpRequest({
method: 'GET',
url: subURL,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var doc = $.parseXML(r);
var $xml = $(doc);
var srt_list = [];
$xml.find('p').each(function(){
srt_list.push(render_p($(this)[0].outerHTML));
});
$('#direct-link p:last-child').css('margin-bottom', 'auto');
$('#direct-link').append('<ul><li><a id="srt-link">Download converted subtitles (SRT)</a></li>' +
'<li><a href="' + subURL + '">Download original subtitles (TTML)</a></li></ul>');
$('#srt-link').attr('href', 'data:text/plain;charset=utf-8,'
+ encodeURIComponent(srt_list.join('\n\n'))).attr('download', get_title() + '.srt');
$('#direct-link a').css({
'color': 'white',
'font-weight': 'bold'
});
$('#direct-link ul').css({
'list-style': 'initial',
'padding-left': '2em',
'margin-top': '.5em'
});
}
});
}
handle_pid = function(vpid, selector){
var config_url = 'http://www.bbc.co.uk/iplayer/config/windows-phone';
// figure out the mediaselector URL
$.getJSON(config_url, function(data) {
var selector_mobile = data['mediaselector'].replace('{vpid}', vpid);
var selector_pc = selector_mobile.replace(/mobile-.*vpid/, 'pc/vpid');
// get mobile data
GM_xmlhttpRequest({
method: 'GET',
url: selector_mobile,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var doc = $.parseXML(r);
var $xml = $(doc);
var media = {};
$xml.find('media[kind^="video"]').each(function() {
var bitrate = $(this).attr('bitrate');
var href = $(this).find('connection').attr('href');
media[bitrate] = href;
});
var subURL = $xml.find('media[service="captions"] connection').attr('href');
var m3u8_url = get_biggest(media);
console.log("M3U8_URL: " + m3u8_url['object']);
// get desktop data for higher quality
GM_xmlhttpRequest({
method: 'GET',
url: selector_pc,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var doc = $.parseXML(r);
var $xml = $(doc);
var media = {};
$xml.find('media[kind^="video"]').each(function() {
var bitrate = $(this).attr('bitrate');
var identifier = $(this).find('connection[application="ondemand"], ' +
'connection[application*="/e3"]').attr('identifier');
if(identifier)
media[bitrate] = identifier;
});
var high_quality = get_biggest(media);
console.log("HIGH_QUALITY: " + high_quality['object']);
// compose the M3U8 stream URL
GM_xmlhttpRequest({
method: 'GET',
url: m3u8_url['object'],
onload: function(responseDetails) {
var r = responseDetails.responseText;
var urls = r.split('\n').slice(1);
var final_url = urls[1];
// fix the final url
var old_pieces = final_url.split(',');
var pieces = [old_pieces[0], old_pieces[1], old_pieces[old_pieces.length-1]];
var p = 1;
var high_quality_piece = high_quality['object'].replace('.mp4','')
.replace('secure_auth/','').split('/').slice(1).join('/');
var new_p = pieces[p].split('/').slice(0,2).join('/') + '/' + high_quality_piece;
pieces[p] = new_p;
final_url = pieces.join(',');
// output the M3U8 URL
appendURL($(selector), final_url);
console.log("doing subtitles...");
handle_subtitles(subURL);
}
});
}
});
}
});
}); // getJSON
}
$(document).ready(function(){
var isProgramme = !!unsafeWindow.bbcProgrammes;
if (isProgramme) {
var clipid = location.href.split("/")[4];
$.getJSON('http://www.bbc.co.uk/programmes/' + clipid + '/playlist.json', function(data) {
var vpid = data.defaultAvailableVersion.pid;
console.log("VPID: " + vpid.toString());
handle_pid(vpid, '.island .cf.component');
});
}
else {
var spid = $('script:contains("mediator.bind")').html();
var vpid = spid.split('vpid')[1].split('"')[2];
handle_pid(vpid, '#player-outer-outer');
}
}); // $(document).ready.ready