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<!-- | |
Lookup musicbrainz and freedb by EAC log. | |
Copyright 2010, kolen | |
Released under the MIT License | |
--> | |
<html> | |
<head> | |
<title>Look up musicbrainz disc id and freedb id from EAC/XLD log</title> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> | |
<script> | |
//<![CDATA[ | |
/*! | |
* jQuery TextChange Plugin | |
* http://www.zurb.com/playground/jquery-text-change-custom-event | |
* | |
* Copyright 2010, ZURB | |
* Released under the MIT License | |
*/ | |
(function ($) { | |
$.event.special.textchange = { | |
setup: function (data, namespaces) { | |
$(this).data('lastValue', this.contentEditable === 'true' ? $(this).html() : $(this).val()); | |
$(this).bind('keyup.textchange', $.event.special.textchange.handler); | |
$(this).bind('cut.textchange paste.textchange input.textchange', $.event.special.textchange.delayedHandler); | |
}, | |
teardown: function (namespaces) { | |
$(this).unbind('.textchange'); | |
}, | |
handler: function (event) { | |
$.event.special.textchange.triggerIfChanged($(this)); | |
}, | |
delayedHandler: function (event) { | |
var element = $(this); | |
setTimeout(function () { | |
$.event.special.textchange.triggerIfChanged(element); | |
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}, | |
triggerIfChanged: function (element) { | |
var current = element[0].contentEditable === 'true' ? element.html() : element.val(); | |
if (current !== element.data('lastValue')) { | |
element.trigger('textchange', element.data('lastValue')); | |
element.data('lastValue', current); | |
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$(this).bind('textchange', $.event.special.hastext.handler); | |
}, | |
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$(this).unbind('textchange', $.event.special.hastext.handler); | |
}, | |
handler: function (event, lastValue) { | |
if ((lastValue === '') && lastValue !== $(this).val()) { | |
$(this).trigger('hastext'); | |
} | |
} | |
}; | |
$.event.special.notext = { | |
setup: function (data, namespaces) { | |
$(this).bind('textchange', $.event.special.notext.handler); | |
}, | |
teardown: function (namespaces) { | |
$(this).unbind('textchange', $.event.special.notext.handler); | |
}, | |
handler: function (event, lastValue) { | |
if ($(this).val() === '' && $(this).val() !== lastValue) { | |
$(this).trigger('notext'); | |
} | |
} | |
}; | |
})(jQuery); | |
//]]> | |
</script> | |
<script> | |
//<![CDATA[ | |
var SECTORS_PER_SECOND = 75 | |
var PREGAP = 150 | |
var DATA_TRACK_GAP = 11400 | |
var toc_entry_matcher = new RegExp( | |
"^\\s*"+ | |
"(\\d+)"+ // 1 - track number | |
"\\s*\\|\\s*"+ | |
"([0-9:.]+)"+ // 2 - time start | |
"\\s*\\|\\s*"+ | |
"([0-9:.]+)"+ // 3 - time length | |
"\\s*\\|\\s*"+ | |
"(\\d+)"+ // 4 - start sector | |
"\\s*\\|\\s*"+ | |
"(\\d+)"+ // 5 - end sector | |
"\\s*$" | |
) | |
var log_input_to_entries = function(text) { | |
var entries = [] | |
$.each(text.split("\n"), function(index, value) { | |
var m = toc_entry_matcher.exec(value) | |
if (m) { | |
entries.push(m) | |
} | |
}) | |
return entries | |
} | |
var get_layout_type = function(entries) { | |
var type = "standard" | |
for (var i=0; i<entries.length-1; i++) { | |
var gap = parseInt(entries[i+1][4]) - parseInt(entries[i][5]) - 1 | |
if (gap != 0) { | |
if (i == entries.length-2 && gap == DATA_TRACK_GAP) { | |
type = "with_data" | |
} else { | |
type = "unknown" | |
break | |
} | |
} | |
} | |
return type | |
} | |
var calculate_mb_toc_numbers = function(entries) { | |
if (entries.length == 0) { | |
return null | |
} | |
var leadout_offset = parseInt(entries[entries.length - 1][5]) + PREGAP + 1 | |
var offsets = $.map(entries, function(entry) { | |
return parseInt(entry[4]) + PREGAP | |
}) | |
return [1, entries.length, leadout_offset].concat(offsets) | |
} | |
var calculate_cddb_id = function(entries) { | |
var sum_of_digits = function(n) { | |
var sum = 0; | |
while (n > 0) { | |
sum = sum + (n % 10); | |
n = Math.floor(n / 10); | |
} | |
return sum; | |
} | |
var decimalToHexString = function(number) { | |
if (number < 0) | |
{ | |
number = 0xFFFFFFFF + number + 1; | |
} | |
return number.toString(16).toUpperCase(); | |
} | |
var length_seconds = Math.floor((parseInt(entries[entries.length-1][5]) - parseInt(entries[0][4]) + 1) | |
/ SECTORS_PER_SECOND) | |
var checksum = 0 | |
$.each(entries, function(index, entry) { | |
checksum += sum_of_digits(Math.floor((parseInt(entry[4]) + PREGAP) / SECTORS_PER_SECOND)) | |
}) | |
var xx = checksum % 255 | |
var discid_num = (xx << 24) | (length_seconds << 8) | entries.length | |
//return discid_num | |
return decimalToHexString(discid_num) | |
} | |
var make_add_release_url = function(entries, va) { | |
var url = "http://musicbrainz.org/cdi/enter.html" | |
if (va) { | |
url += "?hasmultipletrackartists=1&artistid=1" | |
} else { | |
url += "?hasmultipletrackartists=0&artistid=2" | |
} | |
url += "&artistedit=1&artistname=" | |
url += "&releasename=" | |
$.each(entries, function(index, entry) { | |
var num = parseInt(entry[1]) - 1 | |
var time = entry[3].replace(/\..*$/, "") | |
url += "&track"+num+"=" | |
url += "&tracklength"+num+"="+time | |
}) | |
url += "&tracks="+entries.length | |
return url | |
} | |
$(document).ready(function(){ | |
var update = function() { | |
var entries = log_input_to_entries($('#loginput').val()) | |
var layout_type = get_layout_type(entries) | |
var entries_audio | |
if (layout_type == "with_data") { | |
entries_audio = entries.slice(0, entries.length-1) | |
} else { | |
entries_audio = entries | |
} | |
if (entries.length > 0) { | |
var mb_toc_numbers = calculate_mb_toc_numbers(entries_audio) | |
var cddb_id = calculate_cddb_id(entries) | |
$("#musicbrainz_link").attr('href', | |
"http://musicbrainz.org/cdtoc/attach?toc="+mb_toc_numbers.join("%20")) | |
$("#freedb_link").attr('href', | |
"http://www.freedb.org/freedb_discid_check.php?discid="+cddb_id) | |
$("#mb_freedb_link").attr('href', | |
"http://musicbrainz.org/search/textsearch.html?query=discid:("+cddb_id+")&type=freedb&adv=on&handlearguments=1") | |
$("#add_release_link").attr('href', | |
make_add_release_url(entries_audio)) | |
$("#add_release_link_va").attr('href', | |
make_add_release_url(entries_audio, true)) | |
var length_secs = Math.floor(parseInt(entries_audio[entries_audio.length-1][5]) / SECTORS_PER_SECOND) | |
var length_dottime = Math.floor(length_secs / 60) + ":" + (length_secs % 60) | |
if (layout_type == "standard") { | |
$("#stats").html("<strong>"+entries.length+"</strong> tracks, total time: "+length_dottime) | |
} else if (layout_type == "with_data") { | |
$("#stats").html("<strong>"+entries_audio.length+"</strong> tracks + <strong>1</strong> data track, total time: "+length_dottime) | |
} else { | |
$("#stats").html("<strong>Warning! Non-standard layout!</strong>") | |
} | |
$("#info").slideDown(); | |
} else { | |
$("#info").slideUp(); | |
} | |
} | |
$('#loginput').bind("textchange", update) | |
update() | |
}) | |
//]]> | |
</script> | |
<style> | |
body { | |
font-family: sans-serif; | |
background: #ddd; | |
margin: 0; | |
} | |
#main { | |
width: 600px; | |
margin-left: auto; | |
margin-right: auto; | |
background: #fff; | |
padding: 20px; | |
} | |
#loginput { | |
width: 100%; | |
height: 300px; | |
border: 1px solid #888; | |
} | |
#stats { | |
margin-top: 16px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="main"> | |
<h1>Look up musicbrainz disc id and freedb id from EAC/XLD log</h1> | |
<p>Paste EAC or XLD log here (or part of log containing CD TOC):</p> | |
<textarea id="loginput"></textarea> | |
<div id="info" style="display: none;"> | |
<div id="stats"></div> | |
<ul id="lookup"> | |
<li><a href="#" target="_blank" id="musicbrainz_link">Musicbrainz disc ID</a></li> | |
<li><a href="#" target="_blank" id="freedb_link">FreeDB</a></li> | |
<li><a href="#" target="_blank" id="mb_freedb_link">FreeDB ids at musicbrainz</a></li> | |
<li><a href="#" target="_blank" id="add_release_link">Add release to musicbrainz (track lengths only)</a> / <a href="#" target="_blank" id="add_release_link_va">VA release</a></li> | |
</ul> | |
</div> | |
</div> | |
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</html> |
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