fix bug: source file needs to be explicitly rewound before reading/writing in callbac...
[flac.git] / src / plugin_xmms / wrap_id3.c
1 /* libxmms-flac - XMMS FLAC input plugin
2  * Copyright (C) 2000,2001,2002,2003,2004  Josh Coalson
3  * Copyright (C) 2002,2003,2004  Daisuke Shimamura
4  *
5  * Based on FLAC plugin.c and mpg123 plugin
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
20  */
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <glib.h>
26 #include <xmms/plugin.h>
27 #include <xmms/util.h>
28 #include <xmms/configfile.h>
29 #include <xmms/titlestring.h>
30
31 #include "FLAC/metadata.h"
32 #include "plugin_common/id3v1.h"
33 #include "plugin_common/id3v2.h"
34 #include "charset.h"
35 #include "configure.h"
36
37 /*
38  * Function local__extname (filename)
39  *
40  *    Return pointer within filename to its extenstion, or NULL if
41  *    filename has no extension.
42  *
43  */
44 static char *local__extname(const char *filename)
45 {
46         char *ext = strrchr(filename, '.');
47
48         if (ext != NULL)
49                 ++ext;
50
51         return ext;
52 }
53
54 static char *local__getstr(char* str)
55 {
56         if (str && strlen(str) > 0)
57                 return str;
58         return NULL;
59 }
60
61 static int local__getnum(char* str)
62 {
63         if (str && strlen(str) > 0)
64                 return atoi(str);
65         return 0;
66 }
67
68 /*
69  * Function flac_format_song_title (tag, filename)
70  *
71  *    Create song title according to `tag' and/or `filename' and
72  *    return it.  The title must be subsequently freed using g_free().
73  *
74  */
75 char *flac_format_song_title(char *filename)
76 {
77         char *ret = NULL;
78         TitleInput *input = NULL;
79         FLAC_Plugin__CanonicalTag tag;
80
81         FLAC_plugin__canonical_tag_init(&tag);
82
83         FLAC_plugin__canonical_tag_get_combined(filename, &tag);
84
85         if(flac_cfg.title.convert_char_set) {
86                 convert_from_file_to_user_in_place(&tag.title);
87                 convert_from_file_to_user_in_place(&tag.composer);
88                 convert_from_file_to_user_in_place(&tag.performer);
89                 convert_from_file_to_user_in_place(&tag.album);
90                 convert_from_file_to_user_in_place(&tag.year_recorded);
91                 convert_from_file_to_user_in_place(&tag.year_performed);
92                 convert_from_file_to_user_in_place(&tag.track_number);
93                 convert_from_file_to_user_in_place(&tag.tracks_in_album);
94                 convert_from_file_to_user_in_place(&tag.genre);
95                 convert_from_file_to_user_in_place(&tag.comment);
96         }
97
98         XMMS_NEW_TITLEINPUT(input);
99
100         input->performer = local__getstr(tag.performer);
101         if(!input->performer)
102                 input->performer = local__getstr(tag.composer);
103         input->album_name = local__getstr(tag.album);
104         input->track_name = local__getstr(tag.title);
105         input->track_number = local__getnum(tag.track_number);
106         input->year = local__getnum(tag.year_recorded);
107         input->genre = local__getstr(tag.genre);
108         input->comment = local__getstr(tag.comment);
109
110         input->file_name = g_basename(filename);
111         input->file_path = filename;
112         input->file_ext = local__extname(filename);
113         ret = xmms_get_titlestring(flac_cfg.title.tag_override ? flac_cfg.title.tag_format : xmms_get_gentitle_format(), input);
114         g_free(input);
115
116         if (!ret) {
117                 /*
118                  * Format according to filename.
119                  */
120                 ret = g_strdup(g_basename(filename));
121                 if (local__extname(ret) != NULL)
122                         *(local__extname(ret) - 1) = '\0';      /* removes period */
123         }
124
125         FLAC_plugin__canonical_tag_clear(&tag);
126         return ret;
127 }