This script allows to save videos from BBC iPlayer.
目前为
// ==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/*
// @include http://www.bbc.co.uk/*radio/*
// @version 3.4.4
// @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
// @connect edgesuite.net
// @connect bbc.co.uk
// @connect akamaihd.net
// @license GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==
var get_title = function() {
var title = $('meta[property="og:title"]').attr('content') || 'output';
return title.replace(/\W+/g, '_');
};
var place_link_box = function(element) {
element.after('<div id="direct-link"></div>');
$('#direct-link').css({
'padding': '.75em',
'margin': '25px auto',
'width': $('#player-outer-outer').width(),
'border': '1px solid #444',
'background-color': '#252525',
'color': 'white',
'font-family': 'sans-serif',
'box-sizing': 'border-box'
});
};
var appendURL = function(element, url, ext, kind) {
var extension = ext || 'mp4';
var type = kind || 'video';
var codec = type == 'video' ? ' -codec copy -qscale 0 -bsf:a aac_adtstoasc ' : ' ';
var tool = 'ffmpeg';
element.after('<div id="direct-link"></div>');
place_link_box(element);
$('#direct-link').append('<p>To record the ' + type + ', use <code>' + tool + '</code> with the following command line:</p>' +
'<pre>' + tool + ' -v 16 -stats -i "' + url + '"' + codec + get_title() + '.' + extension + '</pre>' +
/*'<p>If you get an error about <code>Malformed AAC bitstream</code>, add option ' +
'<code>-bsf:a aac_adtstoasc</code> before the file name.</p>' +*/
'<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');
};
var append_directURL = function(element, url, ext) {
place_link_box(element);
$('#direct-link').append('<p>Yay! We have a direct link to a file. :D</p>' +
'<p><a href="' + url + '">Click here to open/download (' + ext + ')</a></p>');
};
var m3u8_qualities = function(contents, m3u8_url) {
var lines = contents.split('\n');
var streams = {};
for (var i = 0; i < lines.length - 1; i++) {
var h = lines[i];
var u = lines[i+1];
if(h.indexOf('#EXT-X-STREAM-INF') === 0 && u.indexOf('m3u8') > 0) {
var divider = 'RESOLUTION=';
if (h.indexOf(divider) < 0)
divider = 'BANDWIDTH=';
var q = parseInt(h.split(divider)[1].split('x')[0]);
if(h.indexOf('audio-') > 0) {
var audio_value = parseInt(lines[i].split('audio-')[1].split(',')[0].split('"')[0].replace(/[^0-9]*/g, ''));
if (!isNaN(audio_value))
q = q*100 + audio_value;
}
if (u.indexOf('://') > 0)
streams[q] = u;
else
streams[q] = m3u8_url.split('/').slice(0,-1).join('/') + '/' + u;
i++;
}
}
return streams;
};
var 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};
};
var render_piece = function(html) {
var tree = $(html);
if (!tree.length)
return '';
var output = [];
var nodes = tree[0].childNodes;
var hyph = html.toString().indexOf('<span') > 0 ? '- ' : '';
for (var o = 0; o < nodes.length; o++) {
if (nodes[o].toString().indexOf('Text') > 0)
output.push(hyph + nodes[o].textContent);
else {
var name = nodes[o].tagName.toLowerCase();
switch(name) {
case 'br':
output.push(' ');
break;
case 'span':
output.push('\n' + hyph);
output.push(render_piece(nodes[o]));
output.push('\n');
break;
}
}
}
var joined = output.join('');
joined = joined.replace(/\s+\n/, '\n').replace(/(^\n|\n$)/, '');
joined = joined.replace(/\n+/, '\n').replace(/\s+/, ' ');
return joined;
};
var render_p = function(html, id) {
var tree = $(html);
var begin = tree.attr('begin').replace('.', ',');
var end = tree.attr('end').replace('.', ',');
return id + '\n' +
begin + ' --> ' + end + '\n' +
render_piece(html);
};
var handle_subtitles = function(subURL) {
if (!subURL)
return;
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(index, value){
srt_list.push(render_p(value.outerHTML, index+1));
});
$('#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'
});
}
});
};
var 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');
console.log(selector_mobile);
console.log(selector_pc);
// 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 = {};
console.log('SELECTOR_MOBILE: ' + selector_mobile);
var urls = $xml.find('media[kind^="video"]');
var kind = 'video';
if (!urls.length) {
urls = $xml.find('media[kind^="audio"]');
kind = 'audio';
}
urls.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);
console.log('SELECTOR_PC: ' + selector_pc);
var media = {};
var urls = $xml.find('media[kind^="video"]');
if (!urls.length)
urls = $xml.find('media[kind^="audio"]');
urls.each(function() {
var bitrate = $(this).attr('bitrate');
var identifier = $(this).find('connection[application="ondemand"], ' +
'connection[application*="/e3"]').attr('identifier');
if(identifier)
media[bitrate] = identifier;
});
var high_quality = get_biggest(media);
console.log("HIGH_QUALITY: " + high_quality.object);
// compose the M3U8 stream URL
GM_xmlhttpRequest({
method: 'GET',
url: m3u8_url.object,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var urls = r.split('\n').slice(1);
var final_url = (m3u8_url.object.indexOf('prod_af') < 0 && urls[1].indexOf('_av.') > 0) ? urls[1] : m3u8_url.object;
console.log('FINAL_URL: ' + final_url);
var ext = kind == 'video' ? 'mp4' : 'mp3';
// fix the final url
if ((kind == 'video' && final_url.indexOf(',') > 0) || final_url.indexOf('kbps') > 0) {
var old_pieces = final_url.split(',');
var pieces = [old_pieces[0], old_pieces[1], old_pieces[old_pieces.length-1]];
var p = 1;
var strpiv = 'kbps/';
var template = pieces[p];
var cutter = template.indexOf(strpiv);
var pivot = template.substring(0, cutter).lastIndexOf('/');
template = template.substring(0, pivot+1);
var hq_piece = high_quality.object;
cutter = hq_piece.indexOf(strpiv);
pivot = hq_piece.substring(0, cutter).lastIndexOf('/');
hq_piece = hq_piece.substring(pivot+1, 1000).replace('.mp4', '');
console.log(pivot);
console.log(hq_piece);
pieces[p] = [template, hq_piece].join('');
console.log(pieces);
final_url = pieces.join(',');
}
console.log('KIND: ' + kind);
// output the M3U8 URL
if(final_url.indexOf('master.m3u8') > 0 && kind == 'video') {
GM_xmlhttpRequest({
method: 'GET',
url: final_url,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var qualities = m3u8_qualities(r, final_url);
appendURL($(selector), (get_biggest(qualities)).object, ext, kind);
handle_subtitles(subURL);
}
});
}
else {
appendURL($(selector), final_url, ext, kind);
console.log("SUBURL: " + subURL);
handle_subtitles(subURL);
}
}
});
}
});
}
});
}); // getJSON
};
$(document).ready(function(){
var isRadio = (unsafeWindow.location.href.indexOf('radio/') > 0) && !!($('#empbox').length);
var isProgramme = !!unsafeWindow.bbcProgrammes;
if (isRadio) {
var playlist = unsafeWindow.clipcontentPlaylist;
var empconf = unsafeWindow.empConfig;
var subdir = empconf.split('.co.uk/')[1].split('/')[0];
if (playlist.indexOf('.xml') > 0) {
GM_xmlhttpRequest({
method: 'GET',
url: playlist,
onload: function(responseDetails) {
var r = responseDetails.responseText;
var doc = $.parseXML(r);
var $xml = $(doc);
var media_files = $xml.find('media[kind="video"] > connection, media[kind="audio"] > connection');
if (media_files.length) {
var link = media_files.attr('href');
append_directURL($('#empbox'), link, link.split('.co.uk/')[1].split('.')[1].toUpperCase());
}
}
});
}
else if (playlist.indexOf('iplayer/playlist') > 0) {
var parts = playlist.split('iplayer/playlist');
var playlist_address = parts[0] + subdir + '/iplayer/playlist' + parts[1];
$.getJSON(playlist_address, function(data) {
console.log('VPID: ' + data.pid);
handle_pid(data.pid, '#empbox');
});
}
return;
}
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, .episode-playout');
});
}
else {
var spid = $('script:contains("mediator.bind")').html();
var vpid = spid.split('vpid')[1].split('"')[2];
handle_pid(vpid, '#player-outer-outer');
}
}); // $(document).ready