Create a gist now

Instantly share code, notes, and snippets.

Embed
Lookup musicbrainz and freedb by EAC log
<!--
Lookup musicbrainz and freedb by EAC log.
MIT License
Copyright (c) 2018 Konstantin Mochalov
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
-->
<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);
}, 25);
},
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);
}
}
};
$.event.special.hastext = {
setup: function (data, namespaces) {
$(this).bind('textchange', $.event.special.hastext.handler);
},
teardown: function (namespaces) {
$(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>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment