ref: 038d26cd2251feec441a438a5b54b733aa025039
dir: /common/id3lib/src/field.cpp/
// $Id: field.cpp,v 1.1 2002/01/21 08:16:21 menno Exp $
// id3lib: a C++ library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000 Scott Thomas Haug
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// 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 Library General Public
// License for more details.
//
// You should have received a copy of the GNU Library 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.
// The id3lib authors encourage improvements and optimisations to be sent to
// the id3lib coordinator. Please see the README file for details on where to
// send such submissions. See the AUTHORS file for a list of people who have
// contributed to id3lib. See the ChangeLog file for a list of changes to
// id3lib. These files are distributed with id3lib at
// http://download.sourceforge.net/id3lib/
#include <string.h>
#include "field.h"
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
// This is used for unimplemented frames so that their data is preserved when
// parsing and rendering
static ID3_FieldDef ID3FD_Unimplemented[] =
{
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
}
};
const ID3_FieldDef* ID3_FieldDef::DEFAULT = ID3FD_Unimplemented;
static ID3_FieldDef ID3FD_URL[] =
{
{
ID3FN_URL, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_UserURL[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_URL, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_Text[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_UserText[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_GeneralText[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_LANGUAGE, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
3, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_TermsOfUse[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_LANGUAGE, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
3, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_LinkedInfo[] =
{
{
ID3FN_ID, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
3, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_2_1, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_ID, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
4, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_URL, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_Picture[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_IMAGEFORMAT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
3, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_2_1, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_MIMETYPE, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_PICTURETYPE, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_GEO[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_MIMETYPE, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_FILENAME, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_UFI[] =
{
{
ID3FN_OWNER, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_PlayCounter[] =
{
{
ID3FN_COUNTER, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
4, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_Popularimeter[] =
{
{
ID3FN_EMAIL, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_RATING, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_COUNTER, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
4, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_Private[] =
{
{
ID3FN_OWNER, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_Registration[] =
{
{
ID3FN_OWNER, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_ID, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_3_0, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_InvolvedPeople[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TEXT, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_TEXTLIST, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
static ID3_FieldDef ID3FD_CDM[] =
{
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_2_1, // INITIAL SPEC
ID3V2_2_1, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
}
};
static ID3_FieldDef ID3FD_SyncLyrics[] =
{
{
ID3FN_TEXTENC, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_LANGUAGE, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
3, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_TIMESTAMPFORMAT, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_CONTENTTYPE, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DESCRIPTION, // FIELD NAME
ID3FTY_TEXTSTRING, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_DATA, // FIELD NAME
ID3FTY_BINARY, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
/*
* Currently unused
*/
#if defined __UNDEFINED__
static ID3_FieldDef ID3FD_Volume[] =
{
{
ID3FN_VOLUMEADJ, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_NUMBITS, // FIELD NAME
ID3FTY_INTEGER, // FIELD TYPE
1, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_NONE, // FLAGS
ID3FN_NOFIELD // LINKED FIELD
},
{
ID3FN_VOLCHGRIGHT, // FIELD NAME
ID3FTY_BITFIELD, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ADJUSTEDBY, // FLAGS
ID3FN_NUMBITS // LINKED FIELD
},
{
ID3FN_VOLCHGLEFT, // FIELD NAME
ID3FTY_BITFIELD, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ADJUSTEDBY, // FLAGS
ID3FN_NUMBITS // LINKED FIELD
},
{
ID3FN_PEAKVOLRIGHT, // FIELD NAME
ID3FTY_BITFIELD, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ADJUSTEDBY, // FLAGS
ID3FN_NUMBITS // LINKED FIELD
},
{
ID3FN_PEAKVOLLEFT, // FIELD NAME
ID3FTY_BITFIELD, // FIELD TYPE
0, // FIXED LEN
ID3V2_EARLIEST, // INITIAL SPEC
ID3V2_LATEST, // ENDING SPEC
ID3FF_ADJUSTEDBY, // FLAGS
ID3FN_NUMBITS // LINKED FIELD
},
{ ID3FN_NOFIELD }
};
#endif /* __UNEFINED__ */
// **** Currently Implemented Frames
// APIC PIC ID3FID_PICTURE Attached picture
// COMM COM ID3FID_COMMENT Comments
// ENCR ID3FID_CRYPTOREG Encryption method registration
// GEOB GEO ID3FID_GENERALOBJECT General encapsulated object
// GRID ID3FID_GROUPINGREG Group identification registration
// IPLS IPL ID3FID_INVOLVEDPEOPLE Involved people list
// LINK LNK ID3FID_LINKEDINFO Linked information
// PCNT CNT ID3FID_PLAYCOUNTER Play counter
// POPM POP ID3FID_POPULARIMETER Popularimeter
// PRIV ID3FID_PRIVATE Private frame
// SYLT SLT ID3FID_SYNCEDLYRICS Synchronized lyric/text
// TALB TAL ID3FID_ALBUM Album/Movie/Show title
// TBPM TBP ID3FID_BPM BPM (beats per minute)
// TCOM TCM ID3FID_COMPOSER Composer
// TCON TCO ID3FID_CONTENTTYPE Content type
// TCOP TCR ID3FID_COPYRIGHT Copyright message
// TDAT TDA ID3FID_DATE Date
// TDLY TDY ID3FID_PLAYLISTDELAY Playlist delay
// TENC TEN ID3FID_ENCODEDBY Encoded by
// TEXT TXT ID3FID_LYRICIST Lyricist/Text writer
// TFLT TFT ID3FID_FILETYPE File type
// TIME TKE ID3FID_TIME Time
// TIT1 TIM ID3FID_CONTENTGROUP Content group description
// TIT2 TT1 ID3FID_TITLE Title/songname/content description
// TIT3 TT2 ID3FID_SUBTITLE Subtitle/Description refinement
// TKEY TT3 ID3FID_INITIALKEY Initial key
// TLAN TLA ID3FID_LANGUAGE Language(s)
// TLEN TLE ID3FID_SONGLEN Length
// TMED TMT ID3FID_MEDIATYPE Media type
// TOAL TOT ID3FID_ORIGALBUM Original album/movie/show title
// TOFN TOF ID3FID_ORIGFILENAME Original filename
// TOLY TOL ID3FID_ORIGLYRICIST Original lyricist(s)/text writer(s)
// TOPE TOA ID3FID_ORIGARTIST Original artist(s)/performer(s)
// TORY TOR ID3FID_ORIGYEAR Original release year
// TOWN ID3FID_FILEOWNER File owner/licensee
// TPE1 TP1 ID3FID_LEADARTIST Lead performer(s)/Soloist(s)
// TPE2 TP2 ID3FID_BAND Band/orchestra/accompaniment
// TPE3 TP3 ID3FID_CONDUCTOR Conductor/performer refinement
// TPE4 TP4 ID3FID_MIXARTIST Interpreted, remixed, or otherwise modified
// TPOS TPA ID3FID_PARTINSET Part of a set
// TPUB TPB ID3FID_PUBLISHER Publisher
// TRCK TRK ID3FID_TRACKNUM Track number/Position in set
// TRDA TRD ID3FID_RECORDINGDATES Recording dates
// TRSN TRN ID3FID_NETRADIOSTATION Internet radio station name
// TRSO TRO ID3FID_NETRADIOOWNER Internet radio station owner
// TSIZ TSI ID3FID_SIZE Size
// TSRC TRC ID3FID_ISRC ISRC (international standard recording code)
// TSSE TSS ID3FID_ENCODERSETTINGS Software/Hardware and encoding settings
// TXXX TXX ID3FID_USERTEXT User defined text information
// TYER TYE ID3FID_YEAR Year
// UFID UFI ID3FID_UNIQUEFILEID Unique file identifier
// USER ID3FID_TERMSOFUSE Terms of use
// USLT ULT ID3FID_UNSYNCEDLYRICS Unsynchronized lyric/text transcription
// WCOM WCM ID3FID_WWWCOMMERCIALINFO Commercial information
// WCOP WCM ID3FID_WWWCOPYRIGHT Copyright/Legal infromation
// WOAF WCP ID3FID_WWWAUDIOFILE Official audio file webpage
// WOAR WAF ID3FID_WWWARTIST Official artist/performer webpage
// WOAS WAR ID3FID_WWWAUDIOSOURCE Official audio source webpage
// WORS WAS ID3FID_WWWRADIOPAGE Official internet radio station homepage
// WPAY WRA ID3FID_WWWPAYMENT Payment
// WPUB WPY ID3FID_WWWPUBLISHER Official publisher webpage
// WXXX WXX ID3FID_WWWUSER User defined URL link
// CDM ID3FID_METACOMPRESSION Compressed data meta frame
// **** Currently unimplemented frames
// AENC CRA ID3FID_AUDIOCRYPTO Audio encryption
// COMR ID3FID_COMMERCIAL Commercial frame
// EQUA EQU ID3FID_EQUALIZATION Equalization
// ETCO ETC ID3FID_EVENTTIMING Event timing codes
// MCDI MCI ID3FID_CDID Music CD identifier
// MLLT MLL ID3FID_MPEGLOOKUP MPEG location lookup table
// OWNE ID3FID_OWNERSHIP Ownership frame
// POSS ID3FID_POSITIONSYNC Position synchronisation frame
// RBUF BUF ID3FID_BUFFERSIZE Recommended buffer size
// RVAD RVA ID3FID_VOLUMEADJ Relative volume adjustment
// RVRB REV ID3FID_REVERB Reverb
// SYTC STC ID3FID_SYNCEDTEMPO Synchronized tempo codes
// CRM ID3FID_METACRYPTO Encrypted meta frame
static ID3_FrameDef ID3_FrameDefs[] =
{
// short long tag file
// frame id id id discrd discrd field defs description
{ID3FID_AUDIOCRYPTO, "CRA", "AENC", false, false, ID3FD_Unimplemented, "Audio encryption"},
{ID3FID_PICTURE, "PIC", "APIC", false, false, ID3FD_Picture, "Attached picture"},
{ID3FID_COMMENT, "COM", "COMM", false, false, ID3FD_GeneralText, "Comments"},
{ID3FID_COMMERCIAL, "" , "COMR", false, false, ID3FD_Unimplemented, "Commercial"},
{ID3FID_CRYPTOREG, "" , "ENCR", false, false, ID3FD_Registration, "Encryption method registration"},
{ID3FID_EQUALIZATION, "EQU", "EQUA", false, true, ID3FD_Unimplemented, "Equalization"},
{ID3FID_EVENTTIMING, "ETC", "ETCO", false, true, ID3FD_Unimplemented, "Event timing codes"},
{ID3FID_GENERALOBJECT, "GEO", "GEOB", false, false, ID3FD_GEO, "General encapsulated object"},
{ID3FID_GROUPINGREG, "" , "GRID", false, false, ID3FD_Registration, "Group identification registration"},
{ID3FID_INVOLVEDPEOPLE, "IPL", "IPLS", false, false, ID3FD_InvolvedPeople,"Involved people list"},
{ID3FID_LINKEDINFO, "LNK", "LINK", false, false, ID3FD_LinkedInfo, "Linked information"},
{ID3FID_CDID, "MCI", "MCDI", false, false, ID3FD_Unimplemented, "Music CD identifier"},
{ID3FID_MPEGLOOKUP, "MLL", "MLLT", false, true, ID3FD_Unimplemented, "MPEG location lookup table"},
{ID3FID_OWNERSHIP, "" , "OWNE", false, false, ID3FD_Unimplemented, "Ownership frame"},
{ID3FID_PLAYCOUNTER, "CNT", "PCNT", false, false, ID3FD_PlayCounter, "Play counter"},
{ID3FID_POPULARIMETER, "POP", "POPM", false, false, ID3FD_Popularimeter, "Popularimeter"},
{ID3FID_POSITIONSYNC, "" , "POSS", false, true, ID3FD_Unimplemented, "Position synchronisation frame"},
{ID3FID_PRIVATE, "" , "PRIV", false, false, ID3FD_Private, "Private frame"},
{ID3FID_BUFFERSIZE, "BUF", "RBUF", false, false, ID3FD_Unimplemented, "Recommended buffer size"},
{ID3FID_VOLUMEADJ, "RVA", "RVAD", false, true, ID3FD_Unimplemented, "Relative volume adjustment"},
{ID3FID_REVERB, "REV", "RVRB", false, false, ID3FD_Unimplemented, "Reverb"},
{ID3FID_SYNCEDLYRICS, "SLT", "SYLT", false, false, ID3FD_SyncLyrics, "Synchronized lyric/text"},
{ID3FID_SYNCEDTEMPO, "STC", "SYTC", false, true, ID3FD_Unimplemented, "Synchronized tempo codes"},
{ID3FID_ALBUM, "TAL", "TALB", false, false, ID3FD_Text, "Album/Movie/Show title"},
{ID3FID_BPM, "TBP", "TBPM", false, false, ID3FD_Text, "BPM (beats per minute)"},
{ID3FID_COMPOSER, "TCM", "TCOM", false, false, ID3FD_Text, "Composer"},
{ID3FID_CONTENTTYPE, "TCO", "TCON", false, false, ID3FD_Text, "Content type"},
{ID3FID_COPYRIGHT, "TCR", "TCOP", false, false, ID3FD_Text, "Copyright message"},
{ID3FID_DATE, "TDA", "TDAT", false, false, ID3FD_Text, "Date"},
{ID3FID_PLAYLISTDELAY, "TDY", "TDLY", false, false, ID3FD_Text, "Playlist delay"},
{ID3FID_ENCODEDBY, "TEN", "TENC", false, true, ID3FD_Text, "Encoded by"},
{ID3FID_LYRICIST, "TXT", "TEXT", false, false, ID3FD_Text, "Lyricist/Text writer"},
{ID3FID_FILETYPE, "TFT", "TFLT", false, false, ID3FD_Text, "File type"},
{ID3FID_INITIALKEY, "TKE", "TKEY", false, false, ID3FD_Text, "Initial key"},
{ID3FID_TIME, "TIM", "TIME", false, false, ID3FD_Text, "Time"},
{ID3FID_CONTENTGROUP, "TT1", "TIT1", false, false, ID3FD_Text, "Content group description"},
{ID3FID_TITLE, "TT2", "TIT2", false, false, ID3FD_Text, "Title/songname/content description"},
{ID3FID_SUBTITLE, "TT3", "TIT3", false, false, ID3FD_Text, "Subtitle/Description refinement"},
{ID3FID_LANGUAGE, "TLA", "TLAN", false, false, ID3FD_Text, "Language(s)"},
{ID3FID_SONGLEN, "TLE", "TLEN", false, true, ID3FD_Text, "Length"},
{ID3FID_MEDIATYPE, "TMT", "TMED", false, false, ID3FD_Text, "Media type"},
{ID3FID_ORIGALBUM, "TOT", "TOAL", false, false, ID3FD_Text, "Original album/movie/show title"},
{ID3FID_ORIGFILENAME, "TOF", "TOFN", false, false, ID3FD_Text, "Original filename"},
{ID3FID_ORIGLYRICIST, "TOL", "TOLY", false, false, ID3FD_Text, "Original lyricist(s)/text writer(s)"},
{ID3FID_ORIGARTIST, "TOA", "TOPE", false, false, ID3FD_Text, "Original artist(s)/performer(s)"},
{ID3FID_ORIGYEAR, "TOR", "TORY", false, false, ID3FD_Text, "Original release year"},
{ID3FID_FILEOWNER, "" , "TOWN", false, false, ID3FD_Text, "File owner/licensee"},
{ID3FID_LEADARTIST, "TP1", "TPE1", false, false, ID3FD_Text, "Lead performer(s)/Soloist(s)"},
{ID3FID_BAND, "TP2", "TPE2", false, false, ID3FD_Text, "Band/orchestra/accompaniment"},
{ID3FID_CONDUCTOR, "TP3", "TPE3", false, false, ID3FD_Text, "Conductor/performer refinement"},
{ID3FID_MIXARTIST, "TP4", "TPE4", false, false, ID3FD_Text, "Interpreted, remixed, or otherwise modified by"},
{ID3FID_PARTINSET, "TPA", "TPOS", false, false, ID3FD_Text, "Part of a set"},
{ID3FID_PUBLISHER, "TPB", "TPUB", false, false, ID3FD_Text, "Publisher"},
{ID3FID_TRACKNUM, "TRK", "TRCK", false, false, ID3FD_Text, "Track number/Position in set"},
{ID3FID_RECORDINGDATES, "TRD", "TRDA", false, false, ID3FD_Text, "Recording dates"},
{ID3FID_NETRADIOSTATION, "TRN", "TRSN", false, false, ID3FD_Text, "Internet radio station name"},
{ID3FID_NETRADIOOWNER, "TRO", "TRSO", false, false, ID3FD_Text, "Internet radio station owner"},
{ID3FID_SIZE, "TSI", "TSIZ", false, true, ID3FD_Text, "Size"},
{ID3FID_ISRC, "TRC", "TSRC", false, false, ID3FD_Text, "ISRC (international standard recording code)"},
{ID3FID_ENCODERSETTINGS, "TSS", "TSSE", false, false, ID3FD_Text, "Software/Hardware and settings used for encoding"},
{ID3FID_USERTEXT, "TXX", "TXXX", false, false, ID3FD_UserText, "User defined text information"},
{ID3FID_YEAR, "TYE", "TYER", false, false, ID3FD_Text, "Year"},
{ID3FID_UNIQUEFILEID, "UFI", "UFID", false, false, ID3FD_UFI, "Unique file identifier"},
{ID3FID_TERMSOFUSE, "" , "USER", false, false, ID3FD_TermsOfUse, "Terms of use"},
{ID3FID_UNSYNCEDLYRICS, "ULT", "USLT", false, false, ID3FD_GeneralText, "Unsynchronized lyric/text transcription"},
{ID3FID_WWWCOMMERCIALINFO, "WCM", "WCOM", false, false, ID3FD_URL, "Commercial information"},
{ID3FID_WWWCOPYRIGHT, "WCP", "WCOP", false, false, ID3FD_URL, "Copyright/Legal infromation"},
{ID3FID_WWWAUDIOFILE, "WAF", "WOAF", false, false, ID3FD_URL, "Official audio file webpage"},
{ID3FID_WWWARTIST, "WAR", "WOAR", false, false, ID3FD_URL, "Official artist/performer webpage"},
{ID3FID_WWWAUDIOSOURCE, "WAS", "WOAS", false, false, ID3FD_URL, "Official audio source webpage"},
{ID3FID_WWWRADIOPAGE, "WRA", "WORS", false, false, ID3FD_URL, "Official internet radio station homepage"},
{ID3FID_WWWPAYMENT, "WPY", "WPAY", false, false, ID3FD_URL, "Payment"},
{ID3FID_WWWPUBLISHER, "WPB", "WPUB", false, false, ID3FD_URL, "Official publisher webpage"},
{ID3FID_WWWUSER, "WXX", "WXXX", false, false, ID3FD_UserURL, "User defined URL link"},
{ID3FID_METACRYPTO, "CRM", "" , false, false, ID3FD_Unimplemented, "Encrypted meta frame"},
{ID3FID_METACOMPRESSION, "CDM", "" , false, false, ID3FD_CDM, "Compressed data meta frame"},
{ID3FID_NOFRAME}
};
ID3_Field::ID3_Field()
: __id(ID3FN_NOFIELD),
__type(ID3FTY_INTEGER),
__length(0),
__spec_begin(ID3V2_EARLIEST),
__spec_end(ID3V2_LATEST),
__flags(0),
__changed(false),
__data(NULL),
__size(0),
__enc(ID3TE_NONE)
{
Clear();
}
ID3_Field::~ID3_Field()
{
this->Clear();
}
void
ID3_Field::Clear()
{
if (__data != NULL && __size > 0 && __type != ID3FTY_INTEGER)
{
delete[] __data;
}
__type = ID3FTY_INTEGER;
__data = NULL;
__size = sizeof (uint32);
__changed = true;
__enc = ID3TE_NONE;
return ;
}
bool
ID3_Field::HasChanged()
{
return __changed;
}
size_t ID3_Field::Size() const
{
return BinSize(false);
}
size_t ID3_Field::BinSize(bool withExtras) const
{
size_t bytes = 0;
bytes = __size;
// check to see if we are within the legal limit for this field 0 means
// arbitrary length field
if (__length > 0)
{
bytes = __length;
}
else if (withExtras)
{
if (NULL == __data && __size > 0)
{
bytes = (__flags & ID3FF_CSTR) ? sizeof(unicode_t) : 0;
}
// if we are a Unicode string, add 2 bytes for the BOM (but only if there
// is a string to render - regardless of NULL)
if (ID3TE_UNICODE == this->GetEncoding() && __data != NULL && __size > 0)
{
bytes += sizeof(unicode_t);
}
// if we are an ASCII string, divide by sizeof(unicode_t) because
// internally we store the string as Unicode, so the ASCII version will
// only be half as long
if (__type == ID3FTY_TEXTSTRING && this->GetEncoding() != ID3TE_UNICODE)
{
bytes /= sizeof(unicode_t);
}
}
else if (__type == ID3FTY_TEXTSTRING)
{
// because it seems that the application called us via ID3_Field::Size()
// we are going to return the number of characters, not bytes. since we
// store every string internally as unicode, we will divide the 'bytes'
// variable by the size of a unicode character (should be two bytes)
// because Unicode strings have twice as many bytes as they do characters
bytes /= sizeof(unicode_t);
}
return bytes;
}
size_t ID3_Field::Parse(const uchar *buffer, size_t buffSize)
{
size_t bytesUsed = 0;
switch (this->GetType())
{
case ID3FTY_INTEGER:
bytesUsed = ParseInteger(buffer, buffSize);
break;
case ID3FTY_BINARY:
bytesUsed = ParseBinary(buffer, buffSize);
break;
case ID3FTY_TEXTSTRING:
if (this->GetEncoding() == ID3TE_UNICODE)
{
bytesUsed = ParseUnicodeString(buffer, buffSize);
}
else
{
bytesUsed = ParseASCIIString(buffer, buffSize);
}
break;
default:
ID3_THROW(ID3E_UnknownFieldType);
break;
}
return bytesUsed;
}
ID3_FrameDef *
ID3_FindFrameDef(const ID3_FrameID id)
{
ID3_FrameDef *info = NULL;
for (index_t cur = 0; ID3_FrameDefs[cur].eID != ID3FID_NOFRAME; cur++)
{
if (ID3_FrameDefs[cur].eID == id)
{
info = &ID3_FrameDefs[cur];
break;
}
}
return info;
}
ID3_FrameID
ID3_FindFrameID(const char *id)
{
ID3_FrameID fid = ID3FID_NOFRAME;
for (index_t cur = 0; ID3_FrameDefs[cur].eID != ID3FID_NOFRAME; cur++)
{
if (((strcmp(ID3_FrameDefs[cur].sShortTextID, id) == 0) &&
strlen(id) == 3) ||
((strcmp(ID3_FrameDefs[cur].sLongTextID, id) == 0) &&
strlen(id) == 4))
{
fid = ID3_FrameDefs[cur].eID;
break;
}
}
return fid;
}
size_t ID3_Field::Render(uchar *buffer) const
{
size_t bytesUsed = 0;
switch (this->GetType())
{
case ID3FTY_INTEGER:
bytesUsed = RenderInteger(buffer);
break;
case ID3FTY_BINARY:
bytesUsed = RenderBinary(buffer);
break;
case ID3FTY_TEXTSTRING:
if (this->GetEncoding() == ID3TE_UNICODE)
{
bytesUsed = RenderUnicodeString(buffer);
}
else
{
bytesUsed = RenderASCIIString(buffer);
}
break;
default:
ID3_THROW (ID3E_UnknownFieldType);
break;
}
return bytesUsed;
}
ID3_Field &
ID3_Field::operator=( const ID3_Field &rhs )
{
if (this != &rhs)
{
switch (rhs.GetType())
{
case ID3FTY_INTEGER:
{
*this = rhs.Get();
break;
}
case ID3FTY_TEXTSTRING:
case ID3FTY_BINARY:
{
this->Set(rhs.__data, rhs.__size);
break;
}
default:
{
break;
}
}
}
__type = rhs.__type;
return *this;
}
bool ID3_Field::SetEncoding(ID3_TextEnc enc)
{
bool changed = this->IsEncodable() && (enc != this->GetEncoding()) &&
(ID3TE_NONE < enc && enc < ID3TE_NUMENCODINGS);
if (changed)
{
__enc = enc;
__changed = true;
}
return changed;
}