bjin/lookup_eac_log.html

## lookup_eac_log.html
<!--
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);
			}, 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>

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</body>
</html>
	<!--
	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);
	}, 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>

	<!-- Yandex.Metrika counter -->
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	(w[c] = w[c] \|\| []).push(function() {
	try {
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	} catch(e) {}
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	</body>
	</html>