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git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@288617 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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Scott Wheeler
2004-02-17 02:11:05 +00:00
commit 7fe6647435
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14
mpeg/id3v1/Makefile.am Normal file
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INCLUDES = \
-I$(top_srcdir)/taglib \
-I$(top_srcdir)/taglib/toolkit \
-I$(top_srcdir)/taglib/mpeg \
$(all_includes)
noinst_LTLIBRARIES = libid3v1.la
libid3v1_la_SOURCES = id3v1tag.cpp id3v1genres.cpp
taglib_include_HEADERS = id3v1tag.h id3v1genres.h
taglib_includedir = $(includedir)/taglib
EXTRA_DIST = $(libid3v1_la_SOURCES) $(taglib_include_HEADERS)

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mpeg/id3v1/id3v1genres.cpp Normal file
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/***************************************************************************
copyright : (C) 2002 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
***************************************************************************/
#include "id3v1genres.h"
using namespace TagLib;
namespace TagLib {
namespace ID3v1 {
static const int genresSize = 147;
static const String genres[] = {
"Blues",
"Classic Rock",
"Country",
"Dance",
"Disco",
"Funk",
"Grunge",
"Hip-Hop",
"Jazz",
"Metal",
"New Age",
"Oldies",
"Other",
"Pop",
"R&B",
"Rap",
"Reggae",
"Rock",
"Techno",
"Industrial",
"Alternative",
"Ska",
"Death Metal",
"Pranks",
"Soundtrack",
"Euro-Techno",
"Ambient",
"Trip-Hop",
"Vocal",
"Jazz+Funk",
"Fusion",
"Trance",
"Classical",
"Instrumental",
"Acid",
"House",
"Game",
"Sound Clip",
"Gospel",
"Noise",
"Alternative Rock",
"Bass",
"Soul",
"Punk",
"Space",
"Meditative",
"Instrumental Pop",
"Instrumental Rock",
"Ethnic",
"Gothic",
"Darkwave",
"Techno-Industrial",
"Electronic",
"Pop-Folk",
"Eurodance",
"Dream",
"Southern Rock",
"Comedy",
"Cult",
"Gangsta",
"Top 40",
"Christian Rap",
"Pop/Funk",
"Jungle",
"Native American",
"Cabaret",
"New Wave",
"Psychadelic",
"Rave",
"Showtunes",
"Trailer",
"Lo-Fi",
"Tribal",
"Acid Punk",
"Acid Jazz",
"Polka",
"Retro",
"Musical",
"Rock & Roll",
"Hard Rock",
"Folk",
"Folk/Rock",
"National Folk",
"Swing",
"Fusion",
"Bebob",
"Latin",
"Revival",
"Celtic",
"Bluegrass",
"Avantgarde",
"Gothic Rock",
"Progressive Rock",
"Psychadelic Rock",
"Symphonic Rock",
"Slow Rock",
"Big Band",
"Chorus",
"Easy Listening",
"Acoustic",
"Humour",
"Speech",
"Chanson",
"Opera",
"Chamber Music",
"Sonata",
"Symphony",
"Booty Bass",
"Primus",
"Porn Groove",
"Satire",
"Slow Jam",
"Club",
"Tango",
"Samba",
"Folklore",
"Ballad",
"Power Ballad",
"Rhythmic Soul",
"Freestyle",
"Duet",
"Punk Rock",
"Drum Solo",
"A Capella",
"Euro-House",
"Dance Hall",
"Goa",
"Drum & Bass",
"Club-House",
"Hardcore",
"Terror",
"Indie",
"BritPop",
"Negerpunk",
"Polsk Punk",
"Beat",
"Christian Gangsta Rap",
"Heavy Metal",
"Black Metal",
"Crossover",
"Contemporary Christian",
"Christian Rock",
"Merengue",
"Salsa",
"Thrash Metal",
"Anime",
"Jpop",
"Synthpop"
};
}
}
StringList ID3v1::genreList()
{
static StringList l;
if(l.isEmpty()) {
for(int i = 0; i < genresSize; i++)
l.append(genres[i]);
}
return l;
}
ID3v1::GenreMap ID3v1::genreMap()
{
static GenreMap m;
if(m.isEmpty()) {
for(int i = 0; i < genresSize; i++)
m.insert(genres[i], i);
}
return m;
}
String ID3v1::genre(int i)
{
if(i >= 0 && i < genresSize)
return genres[i];
return String::null;
}
int ID3v1::genreIndex(const String &name)
{
if(genreMap().contains(name))
return genreMap()[name];
return 255;
}

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mpeg/id3v1/id3v1genres.h Normal file
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/***************************************************************************
copyright : (C) 2003 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
***************************************************************************/
#ifndef TAGLIB_ID3V1GENRE_H
#define TAGLIB_ID3V1GENRE_H
#include <tmap.h>
#include <tstringlist.h>
namespace TagLib {
namespace ID3v1 {
typedef Map<String, int> GenreMap;
/*!
* Returns the list of canonical ID3v1 genre names in the order that they
* are listed in the standard.
*/
StringList genreList();
/*!
* A "reverse mapping" that goes from the canonical ID3v1 genre name to the
* respective genre number. genreMap()["Rock"] ==
*/
GenreMap genreMap();
/*!
* Returns the name of the genre at \a index in the ID3v1 genre list. If
* \a index is out of range -- less than zero or greater than 146 -- a null
* string will be returned.
*/
String genre(int index);
/*!
* Returns the genre index for the (case sensitive) genre \a name. If the
* genre is not in the list 255 (which signifies an unknown genre in ID3v1)
* will be returned.
*/
int genreIndex(const String &name);
}
}
#endif

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mpeg/id3v1/id3v1tag.cpp Normal file
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/***************************************************************************
copyright : (C) 2002, 2003 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
***************************************************************************/
#include <tdebug.h>
#include <tfile.h>
#include "id3v1tag.h"
#include "id3v1genres.h"
using namespace TagLib;
using namespace ID3v1;
class ID3v1::Tag::TagPrivate
{
public:
TagPrivate() : file(0), tagOffset(-1), track(0), genre(255) {}
File *file;
long tagOffset;
String title;
String artist;
String album;
String year;
String comment;
uchar track;
uchar genre;
};
////////////////////////////////////////////////////////////////////////////////
// public methods
////////////////////////////////////////////////////////////////////////////////
ID3v1::Tag::Tag() : TagLib::Tag()
{
d = new TagPrivate;
}
ID3v1::Tag::Tag(File *file, long tagOffset) : TagLib::Tag()
{
d = new TagPrivate;
d->file = file;
d->tagOffset = tagOffset;
read();
}
ID3v1::Tag::~Tag()
{
delete d;
}
ByteVector ID3v1::Tag::render() const
{
ByteVector data;
data.append(fileIdentifier());
data.append(d->title.data(String::Latin1).resize(30));
data.append(d->artist.data(String::Latin1).resize(30));
data.append(d->album.data(String::Latin1).resize(30));
data.append(d->year.data(String::Latin1).resize(4));
data.append(d->comment.data(String::Latin1).resize(28));
data.append(char(0));
data.append(char(d->track));
data.append(char(d->genre));
return data;
}
ByteVector ID3v1::Tag::fileIdentifier()
{
return ByteVector::fromCString("TAG");
}
String ID3v1::Tag::title() const
{
return d->title;
}
String ID3v1::Tag::artist() const
{
return d->artist;
}
String ID3v1::Tag::album() const
{
return d->album;
}
String ID3v1::Tag::comment() const
{
return d->comment;
}
String ID3v1::Tag::genre() const
{
return ID3v1::genre(d->genre);
}
TagLib::uint ID3v1::Tag::year() const
{
return d->year.toInt();
}
TagLib::uint ID3v1::Tag::track() const
{
return d->track;
}
void ID3v1::Tag::setTitle(const String &s)
{
d->title = s;
}
void ID3v1::Tag::setArtist(const String &s)
{
d->artist = s;
}
void ID3v1::Tag::setAlbum(const String &s)
{
d->album = s;
}
void ID3v1::Tag::setComment(const String &s)
{
d->comment = s;
}
void ID3v1::Tag::setGenre(const String &s)
{
d->genre = ID3v1::genreIndex(s);
}
void ID3v1::Tag::setYear(uint i)
{
d->year = String::number(i);
}
void ID3v1::Tag::setTrack(uint i)
{
d->track = i;
}
////////////////////////////////////////////////////////////////////////////////
// protected methods
////////////////////////////////////////////////////////////////////////////////
void ID3v1::Tag::read()
{
if(d->file && d->file->isValid()) {
d->file->seek(d->tagOffset);
// read the tag -- always 128 bytes
ByteVector data = d->file->readBlock(128);
// some initial sanity checking
if(data.size() == 128 && data.mid(0, 3) == "TAG")
parse(data);
else
debug("ID3v1 tag is not valid or could not be read at the specified offset.");
}
}
void ID3v1::Tag::parse(const ByteVector &data)
{
int offset = 3;
d->title = data.mid(offset, 30);
offset += 30;
d->artist = data.mid(offset, 30);
offset += 30;
d->album = data.mid(offset, 30);
offset += 30;
d->year = data.mid(offset, 4);
offset += 4;
// Check for ID3v1.1 -- Note that ID3v1 *does not* support "track zero" -- this
// is not a bug in TagLib. Since a zeroed byte is what we would expect to
// indicate the end of a C-String, specifically the comment string, a value of
// zero must be assumed to be just that.
if(data[offset + 28] == 0 && data[offset + 29] != 0) {
// ID3v1.1 detected
d->comment = data.mid(offset, 28);
d->track = uchar(data[offset + 29]);
}
else
d->comment = data.mid(offset, 30);
offset += 30;
d->genre = uchar(data[offset]);
}

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mpeg/id3v1/id3v1tag.h Normal file
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/***************************************************************************
copyright : (C) 2002, 2003 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
***************************************************************************/
#ifndef TAGLIB_ID3V1TAG_H
#define TAGLIB_ID3V1TAG_H
#include <tag.h>
#include <tbytevector.h>
namespace TagLib {
class File;
//! An ID3v1 implementation
namespace ID3v1 {
//! The main class in the ID3v1 implementation
/*!
* This is an implementation of the ID3v1 format. ID3v1 is both the simplist
* and most common of tag formats but is rather limited. Because of its
* pervasiveness and the way that applications have been written around the
* fields that it provides, the generic TagLib::Tag API is a mirror of what is
* provided by ID3v1.
*
* \note Most fields are truncated to a maximum of 28-30 bytes. The
* truncation happens automatically when the tag is rendered.
*/
class Tag : public TagLib::Tag
{
public:
/*!
* Create an ID3v1 tag with default values.
*/
Tag();
/*!
* Create an ID3v1 tag and parse the data in \a file starting at
* \a tagOffset.
*/
Tag(File *file, long tagOffset);
/*!
* Destroys this Tag instance.
*/
virtual ~Tag();
/*!
* Renders the in memory values to a ByteVector suitable for writing to
* the file.
*/
ByteVector render() const;
/*!
* Returns the string "TAG" suitable for usage in locating the tag in a
* file.
*/
static ByteVector fileIdentifier();
// Reimplementations.
virtual String title() const;
virtual String artist() const;
virtual String album() const;
virtual String comment() const;
virtual String genre() const;
virtual uint year() const;
virtual uint track() const;
virtual void setTitle(const String &s);
virtual void setArtist(const String &s);
virtual void setAlbum(const String &s);
virtual void setComment(const String &s);
virtual void setGenre(const String &s);
virtual void setYear(uint i);
virtual void setTrack(uint i);
protected:
/*!
* Reads from the file specified in the constructor.
*/
void read();
/*!
* Pareses the body of the tag in \a data.
*/
void parse(const ByteVector &data);
private:
Tag(const Tag &);
Tag &operator=(const Tag &);
class TagPrivate;
TagPrivate *d;
};
}
}
#endif