Commit fe9d2b4e authored by Josh Coalson's avatar Josh Coalson
Browse files

functionality now provided by ../plugin_common

parent 07b47a64
/* libxmms-flac - XMMS FLAC input plugin
* Copyright (C) 2002 Daisuke Shimamura
*
* Almost from id3_tag.c - 2001/02/16
* EasyTAG - Tag editor for MP3 and OGG files
* Copyright (C) 2001-2002 Jerome Couderc <j.couderc@ifrance.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <id3.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include "configure.h"
#include "genres.h"
#include "charset.h"
#include "mylocale.h"
#include "id3_tag.h"
/****************
* Declarations *
****************/
#define ID3V2_MAX_STRING_LEN 4096
#define NUMBER_TRACK_FORMATED 1
/**************
* Prototypes *
**************/
static size_t ID3Tag_Link_1 (ID3Tag *id3tag, const char *filename);
static size_t ID3Field_GetASCII_1 (const ID3Field *field, char *buffer, size_t maxChars, index_t itemNum);
static gchar *Id3tag_Genre_To_String (unsigned char genre_code);
static void Strip_String (gchar *string);
/*************
* Functions *
*************/
/*
* Read id3v1.x / id3v2 tag and load data into the File_Tag structure using id3lib functions.
* Returns TRUE on success, else FALSE.
* If a tag entry exists (ex: title), we allocate memory, else value stays to NULL
*/
gboolean Id3tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
{
FILE *file;
ID3Tag *id3_tag = NULL; /* Tag defined by the id3lib */
gchar *string, *string1, *string2;
gboolean USE_CHARACTER_SET_TRANSLATION;
USE_CHARACTER_SET_TRANSLATION = flac_cfg.convert_char_set;
if (!filename || !FileTag)
return FALSE;
if ( (file=fopen(filename,"r"))==NULL )
{
g_print(_("ERROR while opening file: '%s' (%s).\n\a"),filename,g_strerror(errno));
return FALSE;
}
fclose(file); // We close it cause id3lib opens/closes file itself
/* Get data from tag */
if ( (id3_tag = ID3Tag_New()) )
{
ID3Frame *id3_frame;
ID3Field *id3_field;
luint frm_size;
luint num_chars;
guint field_num = 0; // First field
/* Link the file to the tag */
frm_size = ID3Tag_Link_1(id3_tag,filename);
string = g_malloc(ID3V2_MAX_STRING_LEN+1);
/*********
* Title *
*********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_TITLE)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
// Note: if 'num_chars' is equal to 0, then the field is empty or corrupted!
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
Strip_String(string1);
FileTag->title = g_strdup(string1);
g_free(string1);
}else
{
Strip_String(string);
FileTag->title = g_strdup(string);
}
}
}
}
/**********
* Artist *
**********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_LEADARTIST)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
Strip_String(string1);
FileTag->artist = g_strdup(string1);
g_free(string1);
}else
{
Strip_String(string);
FileTag->artist = g_strdup(string);
}
}
}
}
/*********
* Album *
*********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_ALBUM)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
Strip_String(string1);
FileTag->album = g_strdup(string1);
g_free(string1);
}else
{
Strip_String(string);
FileTag->album = g_strdup(string);
}
}
}
}
/********
* Year *
********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_YEAR)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
gchar *tmp_str;
Strip_String(string);
/* Fix for id3lib 3.7.x: if the id3v1.x tag was filled with spaces
* instead of zeroes, then the year field contains garbages! */
tmp_str = string;
while (isdigit(*tmp_str)) tmp_str++;
*tmp_str = 0;
/* End of fix for id3lib 3.7.x */
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
Strip_String(string1);
FileTag->year = g_strdup(string1);
g_free(string1);
}else
{
Strip_String(string);
FileTag->year = g_strdup(string);
}
}
}
}
/*************************
* Track and Total Track *
*************************/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_TRACKNUM)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
Strip_String(string);
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
string2 = strchr(string1,'/');
if (NUMBER_TRACK_FORMATED)
{
if (string2)
{
FileTag->track_total = g_strdup_printf("%.2d",atoi(string2+1)); // Just to have numbers like this : '01', '05', '12', ...
*string2 = '\0';
}
FileTag->track = g_strdup_printf("%.2d",atoi(string1)); // Just to have numbers like this : '01', '05', '12', ...
}else
{
if (string2)
{
FileTag->track_total = g_strdup(string2+1);
*string2 = '\0';
}
FileTag->track = g_strdup(string1);
}
g_free(string1);
}else
{
string2 = strchr(string,'/');
if (NUMBER_TRACK_FORMATED)
{
if (string2)
{
FileTag->track_total = g_strdup_printf("%.2d",atoi(string2+1)); // Just to have numbers like this : '01', '05', '12', ...
*string2 = '\0';
}
FileTag->track = g_strdup_printf("%.2d",atoi(string)); // Just to have numbers like this : '01', '05', '12', ...
}else
{
if (string2)
{
FileTag->track_total = g_strdup(string2+1);
*string2 = '\0';
}
FileTag->track = g_strdup(string);
}
}
}
}
}
/*********
* Genre *
*********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_CONTENTTYPE)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
/*
* We manipulate only the name of the genre
*/
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
gchar *tmp;
Strip_String(string);
if ( (string[0]=='(') && (tmp=strchr(string,')')) && (strlen((tmp+1))>0) )
{
/* Convert a genre written as '(3)Dance' into 'Dance' */
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(tmp+1);
FileTag->genre = g_strdup(string1);
g_free(string1);
}else
{
FileTag->genre = g_strdup(tmp+1);
}
}else if ( (string[0]=='(') && (tmp=strchr(string,')')) )
{
/* Convert a genre written as '(3)' into 'Dance' */
*tmp = 0;
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(Id3tag_Genre_To_String(atoi(string+1)));
FileTag->genre = g_strdup(string1);
g_free(string1);
}else
{
FileTag->genre = g_strdup(Id3tag_Genre_To_String(atoi(string+1)));
}
}else
{
/* Genre is already written as 'Dance' */
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
FileTag->genre = g_strdup(string1);
g_free(string1);
}else
{
FileTag->genre = g_strdup(string);
}
}
}
}
}
/***********
* Comment *
***********/
if ( (id3_frame = ID3Tag_FindFrameWithID(id3_tag,ID3FID_COMMENT)) )
{
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_TEXT)) )
{
if ( (num_chars=ID3Field_GetASCII_1(id3_field,string,ID3V2_MAX_STRING_LEN,field_num)) > 0
&& string != NULL )
{
if (USE_CHARACTER_SET_TRANSLATION)
{
string1 = convert_from_file_to_user(string);
Strip_String(string1);
FileTag->comment = g_strdup(string1);
g_free(string1);
}else
{
Strip_String(string);
FileTag->comment = g_strdup(string);
}
}
}
/*if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_DESCRIPTION)) )
{
gchar *comment1 = g_malloc0(MAX_STRING_LEN+1);
num_chars = ID3Field_GetASCII(id3_field,comment1,MAX_STRING_LEN,Item_Num);
g_free(comment1);
}
if ( (id3_field = ID3Frame_GetField(id3_frame,ID3FN_LANGUAGE)) )
{
gchar *comment2 = g_malloc0(MAX_STRING_LEN+1);
num_chars = ID3Field_GetASCII(id3_field,comment2,MAX_STRING_LEN,Item_Num);
g_free(comment2);
}*/
}
g_free(string);
/* Free allocated data */
ID3Tag_Delete(id3_tag);
}
return TRUE;
}
void Initialize_File_Tag_Item (File_Tag *FileTag)
{
if (FileTag)
{
FileTag->key = 0;
FileTag->saved = FALSE;
FileTag->title = NULL;
FileTag->artist = NULL;
FileTag->album = NULL;
FileTag->track = NULL;
FileTag->track_total = NULL;
FileTag->year = NULL;
FileTag->genre = NULL;
FileTag->comment = NULL;
}
}
/*
* Frees a File_Tag item.
*/
gboolean Free_File_Tag_Item (File_Tag *FileTag)
{
if (!FileTag) return FALSE;
if (FileTag->title) g_free(FileTag->title);
if (FileTag->artist) g_free(FileTag->artist);
if (FileTag->album) g_free(FileTag->album);
if (FileTag->year) g_free(FileTag->year);
if (FileTag->track) g_free(FileTag->track);
if (FileTag->track_total) g_free(FileTag->track_total);
if (FileTag->genre) g_free(FileTag->genre);
if (FileTag->comment) g_free(FileTag->comment);
return TRUE;
}
/*
* Returns the name of a genre code if found
* Three states for genre code :
* - defined (0 to GENRE_MAX)
* - undefined/unknown (GENRE_MAX+1 to ID3_INVALID_GENRE-1)
* - invalid (>ID3_INVALID_GENRE)
*/
static gchar *Id3tag_Genre_To_String (unsigned char genre_code)
{
if (genre_code>=ID3_INVALID_GENRE) /* empty */
return "";
else if (genre_code>GENRE_MAX) /* unknown tag */
return "Unknown";
else /* known tag */
return id3_genres[genre_code];
}
/*
* As the ID3Tag_Link function of id3lib-3.8.0pre2 returns the ID3v1 tags
* when a file has both ID3v1 and ID3v2 tags, we first try to explicitely
* get the ID3v2 tags with ID3Tag_LinkWithFlags and, if we cannot get them,
* fall back to the ID3v1 tags.
* (Written by Holger Schemel).
*/
static size_t ID3Tag_Link_1 (ID3Tag *id3tag, const char *filename)
{
size_t offset;
# if ( (ID3LIB_MAJOR >= 3) && (ID3LIB_MINOR >= 8) )
/* First, try to get the ID3v2 tags */
offset = ID3Tag_LinkWithFlags(id3tag,filename,ID3TT_ID3V2);
if (offset == 0)
{
/* No ID3v2 tags available => try to get the ID3v1 tags */
offset = ID3Tag_LinkWithFlags(id3tag,filename,ID3TT_ID3V1);
}
# else
/* Function 'ID3Tag_LinkWithFlags' is not defined up to id3lib-.3.7.13 */
offset = ID3Tag_Link(id3tag,filename);
# endif
//g_print("ID3 TAG SIZE: %d\t%s\n",offset,g_basename(filename));
return offset;
}
/*
* As the ID3Field_GetASCII function differs with the version of id3lib, we must redefine it.
*/
static size_t ID3Field_GetASCII_1(const ID3Field *field, char *buffer, size_t maxChars, index_t itemNum)
{
/* Defined by id3lib: ID3LIB_MAJOR_VERSION, ID3LIB_MINOR_VERSION, ID3LIB_PATCH_VERSION
* Defined by autoconf: ID3LIB_MAJOR, ID3LIB_MINOR, ID3LIB_PATCH
*
* <= 3.7.12 : first item num is 1 for ID3Field_GetASCII
* = 3.7.13 : first item num is 0 for ID3Field_GetASCII
* >= 3.8.0 : doesn't need item num for ID3Field_GetASCII
*/
//g_print("id3lib version: %d.%d.%d\n",ID3LIB_MAJOR,ID3LIB_MINOR,ID3LIB_PATCH);
# if (ID3LIB_MAJOR >= 3)
// (>= 3.x.x)
# if (ID3LIB_MINOR <= 7)
// (3.0.0 to 3.7.x)
# if (ID3LIB_PATCH >= 13)
// (>= 3.7.13)
return ID3Field_GetASCII(field,buffer,maxChars,itemNum);
# else
return ID3Field_GetASCII(field,buffer,maxChars,itemNum+1);
# endif
# else
// (>= to 3.8.0)
//return ID3Field_GetASCII(field,buffer,maxChars);
return ID3Field_GetASCIIItem(field,buffer,maxChars,itemNum);
# endif
# else
// Not tested (< 3.x.x)
return ID3Field_GetASCII(field,buffer,maxChars,itemNum+1);
# endif
}
/*
* Delete spaces at the end and the beginning of the string
*/
static void Strip_String (gchar *string)
{
if (!string) return;
string = g_strstrip(string);
}
/* libxmms-flac - XMMS FLAC input plugin
* Copyright (C) 2002 Daisuke Shimamura
*
* Based on id3_tag.h - 2001/02/16
* et_core.h - 2001/10/21
* EasyTAG - Tag editor for MP3 and OGG files
* Copyright (C) 2001-2002 Jerome Couderc <j.couderc@ifrance.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ID3TAG_H__
#define __ID3TAG_H__
#include <glib.h>
/***************
* Declaration *
***************/
#ifndef MAX
# define MAX(a,b) ((a) > (b) ? (a) : (b))
#endif
#ifndef MIN
# define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
/*
* Description of each item of the TagList list
*/
typedef struct _File_Tag File_Tag;
struct _File_Tag
{
gulong key; /* Incremented value */
gboolean saved; /* Set to TRUE if this tag had been saved */
gchar *title; /* Title of track */
gchar *artist; /* Artist name */
gchar *album; /* Album name */
gchar *year; /* Year of track */
gchar *track; /* Position of track in the album */
gchar *track_total; /* The number of tracks for the album (ex: 12/20) */
gchar *genre; /* Genre of song */
gchar *comment; /* Comment */
};
/**************
* Prototypes *
**************/
void Initialize_File_Tag_Item (File_Tag *FileTag);
gboolean Free_File_Tag_Item (File_Tag *FileTag);
gboolean Id3tag_Read_File_Tag (gchar *filename, File_Tag *FileTag);
#endif /* __ID3TAG_H__ */
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