1 | //meta.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
5 | * |
---|
6 | * This file is part of libroar a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * libroar is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
22 | * |
---|
23 | * NOTE for everyone want's to change something and send patches: |
---|
24 | * read README and HACKING! There a addition information on |
---|
25 | * the license of this document you need to read before you send |
---|
26 | * any patches. |
---|
27 | * |
---|
28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
29 | * or libpulse*: |
---|
30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
31 | * and are therefore GPL. Because of this it may be illigal to use |
---|
32 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
33 | */ |
---|
34 | |
---|
35 | #include "libroar.h" |
---|
36 | |
---|
37 | /* |
---|
38 | |
---|
39 | grep ^'#define ROAR_META_TYPE_' meta.h | cut -d' ' -f2 | while read line; do printf ' {%-30s "%-16s},\n' $line, $(echo $line | cut -d_ -f4)\"; done |
---|
40 | |
---|
41 | */ |
---|
42 | |
---|
43 | struct { |
---|
44 | int id; |
---|
45 | char * name; |
---|
46 | } _libroar_meta_typelist[] = { |
---|
47 | {ROAR_META_TYPE_NONE, "NONE" }, |
---|
48 | {ROAR_META_TYPE_TITLE, "TITLE" }, |
---|
49 | {ROAR_META_TYPE_ALBUM, "ALBUM" }, |
---|
50 | {ROAR_META_TYPE_AUTOR, "AUTOR" }, |
---|
51 | {ROAR_META_TYPE_ARTIST, "ARTIST" }, |
---|
52 | {ROAR_META_TYPE_VERSION, "VERSION" }, |
---|
53 | {ROAR_META_TYPE_DATE, "DATE" }, |
---|
54 | {ROAR_META_TYPE_LICENSE, "LICENSE" }, |
---|
55 | {ROAR_META_TYPE_TRACKNUMBER, "TRACKNUMBER" }, |
---|
56 | {ROAR_META_TYPE_ORGANIZATION, "ORGANIZATION" }, |
---|
57 | {ROAR_META_TYPE_DESCRIPTION, "DESCRIPTION" }, |
---|
58 | {ROAR_META_TYPE_GENRE, "GENRE" }, |
---|
59 | {ROAR_META_TYPE_LOCATION, "LOCATION" }, |
---|
60 | {ROAR_META_TYPE_CONTACT, "CONTACT" }, |
---|
61 | {ROAR_META_TYPE_STREAMURL, "STREAMURL" }, |
---|
62 | {ROAR_META_TYPE_HOMEPAGE, "HOMEPAGE" }, |
---|
63 | {ROAR_META_TYPE_THUMBNAIL, "THUMBNAIL" }, |
---|
64 | {ROAR_META_TYPE_LENGTH, "LENGTH" }, |
---|
65 | {ROAR_META_TYPE_COMMENT, "COMMENT" }, |
---|
66 | {ROAR_META_TYPE_OTHER, "OTHER" }, |
---|
67 | {ROAR_META_TYPE_FILENAME, "FILENAME" }, |
---|
68 | {ROAR_META_TYPE_FILEURL, "FILEURL" }, |
---|
69 | {ROAR_META_TYPE_SERVER, "SERVER" }, |
---|
70 | {ROAR_META_TYPE_DURATION, "DURATION" }, |
---|
71 | {ROAR_META_TYPE_WWW, "WWW" }, |
---|
72 | {ROAR_META_TYPE_WOAF, "WOAF" }, |
---|
73 | {ROAR_META_TYPE_ENCODER, "ENCODER" }, |
---|
74 | {ROAR_META_TYPE_ENCODEDBY, "ENCODEDBY" }, |
---|
75 | {ROAR_META_TYPE_YEAR, "YEAR" }, |
---|
76 | {ROAR_META_TYPE_DISCID, "DISCID" }, |
---|
77 | {ROAR_META_TYPE_RPG_TRACK_PEAK, "REPLAYGAIN_TRACK_PEAK" }, |
---|
78 | {ROAR_META_TYPE_RPG_TRACK_GAIN, "REPLAYGAIN_TRACK_GAIN" }, |
---|
79 | {ROAR_META_TYPE_RPG_ALBUM_PEAK, "REPLAYGAIN_ALBUM_PEAK" }, |
---|
80 | {ROAR_META_TYPE_RPG_ALBUM_GAIN, "REPLAYGAIN_ALBUM_GAIN" }, |
---|
81 | |
---|
82 | {-1, "EOL"} |
---|
83 | }; |
---|
84 | |
---|
85 | char * roar_meta_strtype(int type) { |
---|
86 | int i; |
---|
87 | static char name[ROAR_META_MAX_NAMELEN]; |
---|
88 | |
---|
89 | for (i = 0; _libroar_meta_typelist[i].id != -1; i++) |
---|
90 | if ( _libroar_meta_typelist[i].id == type ) { |
---|
91 | strncpy(name, _libroar_meta_typelist[i].name, ROAR_META_MAX_NAMELEN); |
---|
92 | return name; |
---|
93 | } |
---|
94 | |
---|
95 | return NULL; |
---|
96 | } |
---|
97 | |
---|
98 | int roar_meta_inttype(char * type) { |
---|
99 | int i; |
---|
100 | |
---|
101 | for (i = 0; _libroar_meta_typelist[i].id != -1; i++) |
---|
102 | if ( strcasecmp(_libroar_meta_typelist[i].name, type) == 0 ) { |
---|
103 | return _libroar_meta_typelist[i].id; |
---|
104 | } |
---|
105 | |
---|
106 | return -1; |
---|
107 | } |
---|
108 | |
---|
109 | int roar_stream_meta_set (struct roar_connection * con, struct roar_stream * s, int mode, struct roar_meta * meta) { |
---|
110 | struct roar_message m; |
---|
111 | int len; |
---|
112 | |
---|
113 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
---|
114 | |
---|
115 | m.cmd = ROAR_CMD_SET_META; |
---|
116 | m.stream = s->id; |
---|
117 | // m.datalen = len; |
---|
118 | |
---|
119 | if ( (mode == ROAR_META_MODE_FINALIZE || mode == ROAR_META_MODE_CLEAR) && meta->value == NULL ) |
---|
120 | meta->value = ""; |
---|
121 | |
---|
122 | if ( meta->value == NULL ) |
---|
123 | return -1; |
---|
124 | |
---|
125 | m.data[0] = 0; |
---|
126 | m.data[1] = mode; |
---|
127 | m.data[2] = meta->type; |
---|
128 | |
---|
129 | m.data[3] = strlen(meta->key); |
---|
130 | m.data[4] = len = strlen(meta->value); |
---|
131 | |
---|
132 | if ( len > 255 ) |
---|
133 | return -1; |
---|
134 | |
---|
135 | m.datalen = (int) 5 + (int) m.data[3] + len; |
---|
136 | if ( m.datalen > LIBROAR_BUFFER_MSGDATA ) |
---|
137 | return -1; |
---|
138 | |
---|
139 | strncpy(&(m.data[5]), meta->key, ROAR_META_MAX_NAMELEN); |
---|
140 | strncpy(&(m.data[5+m.data[3]]), meta->value, len); |
---|
141 | |
---|
142 | ROAR_DBG("roar_stream_meta_set(*): meta value length is %i byte", len); |
---|
143 | ROAR_DBG("roar_stream_meta_set(*): message data length is %i byte", m.datalen); |
---|
144 | |
---|
145 | if ( roar_req(con, &m, NULL) == -1 ) |
---|
146 | return -1; |
---|
147 | |
---|
148 | if ( m.cmd == ROAR_CMD_OK ) |
---|
149 | return 0; |
---|
150 | return -1; |
---|
151 | } |
---|
152 | |
---|
153 | int roar_stream_meta_get (struct roar_connection * con, struct roar_stream * s, struct roar_meta * meta) { |
---|
154 | struct roar_message m; |
---|
155 | char * c; |
---|
156 | |
---|
157 | m.cmd = ROAR_CMD_GET_META; |
---|
158 | m.stream = s->id; |
---|
159 | // m.datalen = len; |
---|
160 | |
---|
161 | m.data[0] = 0; |
---|
162 | m.data[1] = meta->type; |
---|
163 | m.datalen = 2; |
---|
164 | |
---|
165 | if ( roar_req(con, &m, NULL) == -1 ) |
---|
166 | return -1; |
---|
167 | |
---|
168 | if ( m.cmd != ROAR_CMD_OK ) |
---|
169 | return -1; |
---|
170 | |
---|
171 | if ( m.datalen < 2 ) |
---|
172 | return -1; |
---|
173 | |
---|
174 | if ( m.data[0] != 0 ) |
---|
175 | return -1; |
---|
176 | |
---|
177 | if ( (c = malloc(((unsigned) m.data[1]) + 1)) == NULL ) |
---|
178 | return -1; |
---|
179 | |
---|
180 | strncpy(c, &(m.data[2]), (unsigned) m.data[1]); |
---|
181 | c[(unsigned) m.data[1]] = 0; |
---|
182 | |
---|
183 | meta->value = c; |
---|
184 | meta->key[0] = 0; |
---|
185 | |
---|
186 | return 0; |
---|
187 | } |
---|
188 | |
---|
189 | int roar_stream_meta_list (struct roar_connection * con, struct roar_stream * s, int * types, size_t len) { |
---|
190 | int i; |
---|
191 | struct roar_message m; |
---|
192 | |
---|
193 | m.cmd = ROAR_CMD_LIST_META; |
---|
194 | m.stream = s->id; |
---|
195 | |
---|
196 | m.data[0] = 0; |
---|
197 | m.datalen = 1; |
---|
198 | |
---|
199 | if ( roar_req(con, &m, NULL) == -1 ) |
---|
200 | return -1; |
---|
201 | |
---|
202 | if ( m.cmd != ROAR_CMD_OK ) |
---|
203 | return -1; |
---|
204 | |
---|
205 | if ( m.datalen < 1 ) |
---|
206 | return -1; |
---|
207 | |
---|
208 | if ( m.data[0] != 0 ) |
---|
209 | return -1; |
---|
210 | |
---|
211 | if ( len < (m.datalen - 1 ) ) |
---|
212 | return -1; |
---|
213 | |
---|
214 | for (i = 1; i < m.datalen; i++) |
---|
215 | types[i-1] = (unsigned) m.data[i]; |
---|
216 | |
---|
217 | return m.datalen - 1; |
---|
218 | } |
---|
219 | |
---|
220 | int roar_meta_free (struct roar_meta * meta) { |
---|
221 | if ( meta->value ) |
---|
222 | free(meta->value); |
---|
223 | |
---|
224 | return 0; |
---|
225 | } |
---|
226 | |
---|
227 | //ll |
---|