1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/* Copyright (c) 2005, Christophe Fergeau <teuf@gnome.org>
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "itdb.h"
#include <locale.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
static GdkPixbuf *
ipod_image_to_gdk_pixbuf (Itdb_Image *image)
{
GdkPixbuf *result;
guchar *pixels;
int row_stride;
g_print ("width: %d height: %d size: %d\n",
image->width, image->height, image->size);
/*
description photo: size width nano: size width
==================== ===== ===== ===== =====
artwork big 39200 140 20000 100
artwork small 6272 56 3528 42
photo full-screen ? ? 46464 176
photo thumbnail ? ? 3108 42
*/
switch (image->size)
{
case 39200: /* ITDB_IMAGE_FULL_SCREEN */
row_stride = 140;
break;
case 46464: /* iPod nano photo database full screen */
row_stride = 176;
break;
case 6272: /* ITDB_IMAGE_NOW_PLAYING */
row_stride = 56;
break;
case 3108: /* iPod nano photo database thumbnails */
/* if (width > 42) width = 42;
if (height > 37) height = 37; ??? */
row_stride = 42;
break;
default:
return NULL;
}
pixels = itdb_image_get_rgb_data (image);
if (pixels == NULL) {
return NULL;
}
result = gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB, FALSE,
8, image->width, image->height,
row_stride * 3,
(GdkPixbufDestroyNotify)g_free,
NULL);
return result;
}
static void
save_itdb_image (Itdb_Image *image, const char *filename)
{
GdkPixbuf *thumb;
thumb = ipod_image_to_gdk_pixbuf (image);
if (thumb != NULL) {
gdk_pixbuf_save (thumb, filename, "png", NULL, NULL);
gdk_pixbuf_unref (thumb);
/* g_print ("Saved %s\n", filename); */
}
}
static void
save_song_thumbnails (Itdb_Track *song)
{
GList *it;
for (it = song->thumbnails; it != NULL; it = it->next) {
Itdb_Image *image;
gchar *filename;
image = (Itdb_Image *)it->data;
g_return_if_fail (image);
filename = NULL;
if (image->type == ITDB_IMAGE_FULL_SCREEN) {
filename = g_strdup_printf ("/tmp/fullsize%016"G_GINT64_MODIFIER"x.png",
song->dbid);
} else if (image->type == ITDB_IMAGE_NOW_PLAYING) {
filename = g_strdup_printf ("/tmp/nowplaying%016"G_GINT64_MODIFIER"x.png",
song->dbid);
}
if (filename != NULL) {
save_itdb_image (image, filename);
g_free (filename);
}
}
}
static void
save_thumbnails (Itdb_iTunesDB *db)
{
GList *it;
for (it = db->tracks; it != NULL; it = it->next) {
Itdb_Track *song;
song = (Itdb_Track *)it->data;
save_song_thumbnails (song);
}
}
int
main (int argc, char **argv)
{
Itdb_iTunesDB *db;
if (argc < 2) {
g_print ("Usage: %s mountpoint\n", argv[0]);
return 1;
}
setlocale (LC_ALL, "");
g_type_init ();
db = itdb_parse (argv[1], NULL);
if (db == NULL) {
g_print ("Error reading iPod database\n");
return 1;
}
g_print ("========== ArtworkDB ==========\n");
save_thumbnails (db);
itdb_free (db);
return 0;
}
|
