BBC iPlayer video download

Easily download videos from BBC iPlayer (with youtube-dl)

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name            BBC iPlayer video download
// @name:it         BBC iPlayer - Download dei video
// @namespace       http://andrealazzarotto.com/
// @include         http://www.bbc.co.uk/*
// @include         https://www.bbc.co.uk/*
// @version         4.1.6
// @description     Easily download videos from BBC iPlayer (with youtube-dl)
// @description:it  Scarica facilmente i video da BBC iPlayer (con youtube-dl)
// @author          Andrea Lazzarotto
// @require         https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.1/jquery.min.js
// @grant           GM_xmlhttpRequest
// @grant           GM.xmlHttpRequest
// @connect         bbc.co.uk
// @connect         akamaized.net
// @connect         llnwd.net
// @license         GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==

/* Greasemonkey 4 wrapper */
if (typeof GM !== "undefined" && !!GM.xmlHttpRequest)
  GM_xmlhttpRequest = GM.xmlHttpRequest;

var count = 0;

var containers = '.playback-content > button,' +
    '.content-item-description__text-container,' +
    '.episode-panel__intro,' +
    '.vxp-media__summary,' +
    '#programme-clip,' +
    '[class*="__media-asset"],' +
    '.msc-media-player-wrapper';

var get_title = function(name) {
	var title = name || $('meta[property="og:title"]').attr('content') || 'output';
	return title.replace(/\W+/g, '_');
};

var get_JSON = function(url, callback) {
    GM_xmlhttpRequest({
			method: 'GET',
			url: url,
			onload: function(responseDetails) {
				var r = responseDetails.responseText;
				var json = $.parseJSON(r);
                callback(json);
            }
    });
};

var place_link_box = function(element, id) {
	element.after('<div class="gel-wrap" id="' + id + '" />');
	$('#' + id).css({
		'padding': '.75em',
		'margin': '25px auto',
		//'width': $('#player-outer-outer').width(),
		'border': '1px solid #2C2C2C',
		'background-color': '#0A0C16',
		'color': 'white',
		'font-family': 'sans-serif',
		'box-sizing': 'border-box',
		'font-size': '0.9rem'
	});
};

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_part = 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, element_id, title) {
	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_part(value.outerHTML, index+1));
			});

            $('#' + element_id + ' #subtitles').remove();
			$('#' + element_id + ' p:last-child').css('margin-bottom', 'auto');
			$('#' + element_id).append('<ul id="subtitles"><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(title) + '.srt');
			$('#' + element_id + ' a').css({
				'color': 'white',
				'font-weight': 'bold'
			});
			$('#' + element_id + ' ul').css({
				'list-style': 'initial',
				'padding-left': '2em',
				'margin-top': '.5em'
			});
		}
	});
};

var append = function(elements, id, parsed, title) {
	var type = parsed.kind || 'video';
	var tool = 'youtube-dl';
	var safe_title = get_title(title);
    var element = $(elements.get(0));

    var objects = parsed[type];
    if (objects.length === 0)
        return;

    $("#" + id).remove();
	element.after('<div id=' + id + '"></div>');
	place_link_box(element, id);

    if (objects.length > 1)
		$('#' + id).append('<h4>Quality level: <select /></h4>');
    $('#' + id).append('<p>To record the ' + type + ', use <code>' + tool + '</code> with the following command line:</p>');

    for (var i in objects) {
        var label = parseInt(objects[i].bitrate);
        var url = objects[i].connection[0].href;
        var format = parsed.kind == 'video' ? 'bestvideo+bestaudio' : 'bestaudio';
        $('#' + id).append('<div id="wrapper-' + i + '"><pre>' + tool + ' -f ' + format + ' "' + url + '" -o ' + safe_title + '</pre></div>');
        $('#' + id + ' select').append('<option value="' + i + '">' + label + "</option>");
    }
    if (location.href.indexOf('iplayer/episode/') > 0) {
        $('#' + id).append('<p><b>Good news!</b> This page is supported by <code>' + tool + '</code>. You can use it directly:</p>');
        $('#' + id).append('<pre>' + tool + ' "' + location.href + '"</pre>');
    }
    $('#' + id + ' div[id*=wrapper]').hide();
    $('#' + id + ' #wrapper-0').show();

    $('#' + id + ' select').css('color', 'black').on('change', function() {
        var index = this.value;
        $('#' + id + ' div[id*=wrapper]').hide();
        $('#' + id + ' #wrapper-' + index).show();
    });

	$('#' + id + ' pre, #' + id + ' code').css({
		'white-space': 'normal',
		'word-break': 'break-all',
		'font-size': $('#direct-link p').css('font-size'),
		'margin': '.75em 0',
		'padding': '.75em',
		'background-color': '#2C2C2C',
		'font-family': '"DejaVu Sans Mono", Menlo, "Andale Mono", monospace'
	});
	$('#' + id + ' code').css('padding','.25em');
	$('#' + id + ' p:last-child').css('margin-bottom', '0');
    $('#' + id + ' *').css({
        'color': 'white',
        'line-height': '1em',
        'font-size': '.9rem'
    });

	return id;
};

var comparator = function(a,b) { return parseInt(b.bitrate)-parseInt(a.bitrate); };

var filter = function(media) {
    if (!media.hasOwnProperty('connection'))
        return;
    if (media.kind != 'video' && media.kind != 'audio')
        return;
    for (var i = media.connection.length - 1; i >= 0; i--) {
        var format = media.connection[i].transferFormat || media.connection[i].format;
        if (format !== 'dash')
            media.connection.splice(i, 1);
    }
};

var classify = function(media) {
    var results = {
        video: [],
        audio: [],
        captions: []
    };
    for (var i = 0; i < media.length; i++) {
        var element = media[i];
        filter(element);
        if(results.hasOwnProperty(element.kind) && ((!element.hasOwnProperty('connection') || element.connection.length)))
            results[element.kind].push(element);
    }
    results.video.sort(comparator);
    results.audio.sort(comparator);
    results.hasCaptions = results.captions.length > 0;
    results.kind = results.video.length ? "video" : "audio";
    return results;
};

var handle_player = function(player) {
    var container = player._container;
    var title = player.playlist.title;
    var vpid, type, kind;

    for (var i = player.playlist.items.length - 1; i >= 0; i--) {
        vpid = vpid || player.playlist.items[i].vpid || player.playlist.items[i].identifier;
        type = type || player.playlist.items[i].type;
        kind = kind || player.playlist.items[i].kind;
        if (vpid !== null)
            break;
    }

    if (vpid === null)
        return false;

    var elements = $(containers);
    if (elements.length === 0)
        elements = container.closest('figure, .play');

    if (kind === 'trailer' || kind === 'ident') {
        try {
            var contents = $('script:contains(window.mediatorDefer = mediator.bind)').html().split('mediator.bind(')[1].split(', docu')[0];
            var data = JSON.parse(contents);
            vpid = data.episode.versions[0].id;
        }
        catch(e) {
            var id = 'video-trailer-warning-' + vpid;
            if (!$('#' + id).length) {
                place_link_box(elements, id);
                $('#' + id).append('<p>To download this ' + type + ', press <i>Play</i> and skip the trailer.</p>');
            }
            return false;
        }
    }

    get_JSON('http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/' + vpid + '/format/json/', function(data) {
        var parsed = classify(data.media);
        var id = append(elements, 'video-download-' + vpid, parsed, title);
        if (parsed.hasCaptions)
            handle_subtitles(parsed.captions[0].connection[0].href, id, title);
    });

    return true;
};

var monitor = function() {
    if(!unsafeWindow.embeddedMedia)
        return;

    var players = unsafeWindow.embeddedMedia.players;
    if (players.length != count && players[0].playlist) {
        if (count === 0) {
            for (var i = 0; i < players.length; i++)
                if (handle_player(players[i]))
                    count++;
        }
        else
            if (handle_player(players[players.length - 1]))
                count++;
    }
};

$(document).ready(function(){
    setInterval(monitor, 1000);
});