1 /* id3.c
2 *
3 * ID3 manipulation tools.
4 *
5 * Tools for manipulating ID3 tags
6 */
7
8 /* id3tool: An editor for ID3 tags.
9 * Copyright (C) 1999-2002 Christopher Collins
10 *
11 * This program was authored principly by Christopher Collins (aka
12 * Crossfire).
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met:
17 *
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. The name of the author, Christopher Collins, nor any of his
24 * aliases may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY CHRISTOPHER COLLINS ``AS IS'' AND ANY EXPRESS
28 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
30 * DISCLAIMED. IN NO EVENT SHALL CHRISTOPHER COLLINS BE LIABLE FOR ANY
31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
32 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
33 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
34 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40 #include "config.h"
41
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <ctype.h>
46
47 #include "id3.h"
48
49 struct style_s id3_styles[] = {
50 {0x00, "Blues"},
51 {0x01, "Classic Rock"},
52 {0x02, "Country"},
53 {0x03, "Dance"},
54 {0x04, "Disco"},
55 {0x05, "Funk"},
56 {0x06, "Grunge"},
57 {0x07, "Hip-Hop"},
58 {0x08, "Jazz"},
59 {0x09, "Metal"},
60 {0x0A, "New Age"},
61 {0x0B, "Oldies"},
62 {0x0C, "Other"},
63 {0x0D, "Pop"},
64 {0x0E, "R&B"},
65 {0x0F, "Rap"},
66 {0x10, "Reggae"},
67 {0x11, "Rock"},
68 {0x12, "Techno"},
69 {0x13, "Industrial"},
70 {0x14, "Alternative"},
71 {0x15, "Ska"},
72 {0x16, "Death Metal"},
73 {0x17, "Pranks"},
74 {0x18, "Soundtrack"},
75 {0x19, "Euro-Techno"},
76 {0x1A, "Ambient"},
77 {0x1B, "Trip-Hop"},
78 {0x1C, "Vocal"},
79 {0x1D, "Jazz+Funk"},
80 {0x1E, "Fusion"},
81 {0x1F, "Trance"},
82 {0x20, "Classical"},
83 {0x21, "Instrumental"},
84 {0x22, "Acid"},
85 {0x23, "House"},
86 {0x24, "Game"},
87 {0x25, "Sound Clip"},
88 {0x26, "Gospel"},
89 {0x27, "Noise"},
90 {0x28, "Alt. Rock"},
91 {0x29, "Bass"},
92 {0x2A, "Soul"},
93 {0x2B, "Punk"},
94 {0x2C, "Space"},
95 {0x2D, "Meditative"},
96 {0x2E, "Instrumental Pop"},
97 {0x2F, "Instrumental Rock"},
98 {0x30, "Ethnic"},
99 {0x31, "Gothic"},
100 {0x32, "Darkwave"},
101 {0x33, "Techno-Industrial"},
102 {0x34, "Electronic"},
103 {0x35, "Pop-Folk"},
104 {0x36, "Eurodance"},
105 {0x37, "Dream"},
106 {0x38, "Southern Rock"},
107 {0x39, "Comedy"},
108 {0x3A, "Cult"},
109 {0x3B, "Gangsta"},
110 {0x3C, "Top 40"},
111 {0x3D, "Christian Rap"},
112 {0x3E, "Pop/Funk"},
113 {0x3F, "Jungle"},
114 {0x40, "Native US"},
115 {0x41, "Cabaret"},
116 {0x42, "New Wave"},
117 {0x43, "Psychadelic"},
118 {0x44, "Rave"},
119 {0x45, "Showtunes"},
120 {0x46, "Trailer"},
121 {0x47, "Lo-Fi"},
122 {0x48, "Tribal"},
123 {0x49, "Acid Punk"},
124 {0x4A, "Acid Jazz"},
125 {0x4B, "Polka"},
126 {0x4C, "Retro"},
127 {0x4D, "Musical"},
128 {0x4E, "Rock & Roll"},
129 {0x4F, "Hard Rock"},
130 {0x50, "Folk"},
131 {0x51, "Folk-Rock"},
132 {0x52, "National Folk"},
133 {0x53, "Swing"},
134 {0x54, "Fast Fusion"},
135 {0x55, "Bebob"},
136 {0x56, "Latin"},
137 {0x57, "Revival"},
138 {0x58, "Celtic"},
139 {0x59, "Bluegrass"},
140 {0x5A, "Avantgarde"},
141 {0x5B, "Gothic Rock"},
142 {0x5C, "Progressive Rock"},
143 {0x5D, "Psychedelic Rock"},
144 {0x5E, "Symphonic Rock"},
145 {0x5F, "Slow Rock"},
146 {0x60, "Big Band"},
147 {0x61, "Chorus"},
148 {0x62, "Easy Listening"},
149 {0x63, "Acoustic"},
150 {0x64, "Humour"},
151 {0x65, "Speech"},
152 {0x66, "Chanson"},
153 {0x67, "Opera"},
154 {0x68, "Chamber Music"},
155 {0x69, "Sonata"},
156 {0x6A, "Symphony"},
157 {0x6B, "Booty Bass"},
158 {0x6C, "Primus"},
159 {0x6D, "Porn Groove"},
160 {0x6E, "Satire"},
161 {0x6F, "Slow Jam"},
162 {0x70, "Club"},
163 {0x71, "Tango"},
164 {0x72, "Samba"},
165 {0x73, "Folklore"},
166 {0x74, "Ballad"},
167 {0x75, "Power Ballad"},
168 {0x76, "Rhytmic Soul"},
169 {0x77, "Freestyle"},
170 {0x78, "Duet"},
171 {0x79, "Punk Rock"},
172 {0x7A, "Drum Solo"},
173 {0x7B, "Acapella"},
174 {0x7C, "Euro-House"},
175 {0x7D, "Dance Hall"},
176 {0x7E, "Goa"},
177 {0x7F, "Drum & Bass"},
178 {0x80, "Club-House"},
179 {0x81, "Hardcore"},
180 {0x82, "Terror"},
181 {0x83, "Indie"},
182 {0x84, "BritPop"},
183 {0x85, "Negerpunk"},
184 {0x86, "Polsk Punk"},
185 {0x87, "Beat"},
186 {0x88, "Christian Gangsta Rap"},
187 {0x89, "Heavy Metal"},
188 {0x8A, "Black Metal"},
189 {0x8B, "Crossover"},
190 {0x8C, "Contemporary Christian"},
191 {0x8D, "Christian Rock"},
192 {0x8E, "Merengue"},
193 {0x8F, "Salsa"},
194 {0x90, "Trash Metal"},
195 {0xFF, NULL}
196 };
197
198 extern int
id3_readtag(FILE * fin,id3tag_t * id3tag)199 id3_readtag(FILE *fin, id3tag_t *id3tag)
200 {
201 int n;
202 if (NULL == fin || NULL == id3tag) {
203 return (-1);
204 }
205 fseek (fin, 0, SEEK_END);
206 fseek (fin, ftell(fin)-128, SEEK_SET);
207 n = fread (id3tag, 128, 1, fin);
208 if (1 != n || strncmp(id3tag->magic, "TAG", 3)) {
209 return (1);
210 }
211 return (0);
212 }
213
214 extern int
id3_appendtag(FILE * fout,id3tag_t * id3tag)215 id3_appendtag(FILE *fout, id3tag_t *id3tag)
216 {
217 if (NULL == fout || NULL == id3tag) {
218 return (-1);
219 }
220 fseek (fout, 0, SEEK_END);
221
222 fwrite (id3tag, 128, 1, fout);
223
224 return (0);
225 }
226
227 extern int
id3_replacetag(FILE * fout,id3tag_t * id3tag)228 id3_replacetag(FILE *fout, id3tag_t *id3tag)
229 {
230 if (NULL == fout || NULL == id3tag) {
231 return (-1);
232 }
233 fseek (fout, 0, SEEK_END);
234 fseek (fout, ftell(fout) - 128, SEEK_SET);
235
236 fwrite (id3tag, 128, 1, fout);
237
238 return (0);
239 }
240
241 extern void
id3_cleartag(id3tag_t * id3tag)242 id3_cleartag(id3tag_t *id3tag)
243 {
244 if (NULL == id3tag) {
245 return;
246 }
247 memset (id3tag, 0, sizeof (*id3tag));
248 strncpy(id3tag->magic, "TAG", 3);
249 id3tag->style = 0xFF;
250 }
251
252 extern char *
id3_findstyle(int styleid)253 id3_findstyle(int styleid)
254 {
255 int ctr;
256 for (ctr = 0; id3_styles[ctr].name != NULL; ctr++) {
257 if (id3_styles[ctr].styleid == styleid) {
258 return (id3_styles[ctr].name);
259 }
260 }
261 return "Unknown Style";
262 }
263