1 /*****************************************************************************
2 * entry.c : Callbacks for module entry point
3 *****************************************************************************
4 * Copyright (C) 2007 the VideoLAN team
5 * Copyright © 2007-2008 Rémi Denis-Courmont
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
20 *****************************************************************************/
26 #include <vlc_common.h>
27 #include <vlc_plugin.h>
31 #include "modules/modules.h"
32 #include "config/configuration.h"
35 static void vlc_module_destruct (gc_object_t *obj)
37 module_t *module = vlc_priv (obj, module_t);
39 vlc_mutex_destroy (&module->lock);
40 free (module->psz_object_name);
44 static const char default_name[] = "unnamed";
46 module_t *vlc_module_create (vlc_object_t *obj)
48 module_t *module = malloc (sizeof (*module));
52 module->psz_object_name = strdup( default_name );
54 module->submodule = NULL;
55 module->parent = NULL;
56 module->submodule_count = 0;
57 vlc_gc_init (module, vlc_module_destruct);
58 vlc_mutex_init (&module->lock);
60 module->psz_shortname = NULL;
61 module->psz_longname = (char*)default_name;
62 module->psz_help = NULL;
63 for (unsigned i = 0; i < MODULE_SHORTCUT_MAX; i++)
64 module->pp_shortcuts[i] = NULL;
65 module->psz_capability = (char*)"";
68 module->b_unloadable = true;
69 module->b_reentrant = true;
70 module->b_submodule = false;
71 module->pf_activate = NULL;
72 module->pf_deactivate = NULL;
73 module->p_config = NULL;
75 module->i_config_items = 0;
76 module->i_bool_items = 0;
77 /*module->handle = garbage */
78 module->psz_filename = NULL;
79 module->b_builtin = false;
80 module->b_loaded = false;
87 static void vlc_submodule_destruct (gc_object_t *obj)
89 module_t *module = vlc_priv (obj, module_t);
90 free (module->psz_object_name);
94 module_t *vlc_submodule_create (module_t *module)
96 assert (module != NULL);
98 module_t *submodule = calloc( 1, sizeof(*submodule) );
102 vlc_gc_init (submodule, vlc_submodule_destruct);
104 submodule->next = module->submodule;
105 submodule->parent = module;
106 module->submodule = submodule;
107 module->submodule_count++;
109 /* Muahahaha! Heritage! Polymorphism! Ugliness!! */
110 submodule->pp_shortcuts[0] = module->pp_shortcuts[0]; /* object name */
111 for (unsigned i = 1; i < MODULE_SHORTCUT_MAX; i++)
112 submodule->pp_shortcuts[i] = NULL;
114 submodule->psz_object_name = strdup( module->psz_object_name );
115 submodule->psz_shortname = module->psz_shortname;
116 submodule->psz_longname = module->psz_longname;
117 submodule->psz_capability = module->psz_capability;
118 submodule->i_score = module->i_score;
119 submodule->i_cpu = module->i_cpu;
120 submodule->b_submodule = true;
124 static module_config_t *vlc_config_create (module_t *module, int type)
126 unsigned confsize = module->confsize;
127 module_config_t *tab = module->p_config;
129 if ((confsize & 0xf) == 0)
131 tab = realloc (tab, (confsize + 17) * sizeof (*tab));
135 module->p_config = tab;
138 memset (tab + confsize, 0, sizeof (tab[confsize]));
139 tab[confsize].i_type = type;
140 tab[confsize].p_lock = &module->lock;
142 if (type & CONFIG_ITEM)
144 module->i_config_items++;
145 if (type == CONFIG_ITEM_BOOL)
146 module->i_bool_items++;
150 return tab + confsize;
154 int vlc_plugin_set (module_t *module, module_config_t *item, int propid, ...)
159 va_start (ap, propid);
162 case VLC_SUBMODULE_CREATE:
164 module_t **pp = va_arg (ap, module_t **);
165 *pp = vlc_submodule_create (module);
171 case VLC_CONFIG_CREATE:
173 int type = va_arg (ap, int);
174 module_config_t **pp = va_arg (ap, module_config_t **);
175 *pp = vlc_config_create (module, type);
181 case VLC_MODULE_CPU_REQUIREMENT:
182 assert (!module->b_submodule);
183 module->i_cpu |= va_arg (ap, int);
186 case VLC_MODULE_SHORTCUT:
189 for (i = 0; module->pp_shortcuts[i] != NULL; i++);
190 if (i >= (MODULE_SHORTCUT_MAX - 1))
193 module->pp_shortcuts[i] = va_arg (ap, char *);
197 case VLC_MODULE_CAPABILITY:
198 module->psz_capability = va_arg (ap, char *);
201 case VLC_MODULE_SCORE:
202 module->i_score = va_arg (ap, int);
205 case VLC_MODULE_CB_OPEN:
206 module->pf_activate = va_arg (ap, int (*) (vlc_object_t *));
209 case VLC_MODULE_CB_CLOSE:
210 module->pf_deactivate = va_arg (ap, void (*) (vlc_object_t *));
213 case VLC_MODULE_NO_UNLOAD:
214 module->b_unloadable = false;
217 case VLC_MODULE_NAME:
219 const char *value = va_arg (ap, const char *);
220 free( module->psz_object_name );
221 module->psz_object_name = strdup( value );
222 module->pp_shortcuts[0] = (char*)value; /* dooh! */
223 if (module->psz_longname == default_name)
224 module->psz_longname = (char*)value; /* dooh! */
228 case VLC_MODULE_SHORTNAME:
229 module->psz_shortname = va_arg (ap, char *);
232 case VLC_MODULE_DESCRIPTION:
233 module->psz_longname = va_arg (ap, char *);
236 case VLC_MODULE_HELP:
237 module->psz_help = va_arg (ap, char *);
240 case VLC_CONFIG_NAME:
242 const char *name = va_arg (ap, const char *);
243 vlc_callback_t cb = va_arg (ap, vlc_callback_t);
245 assert (name != NULL);
246 item->psz_name = strdup (name);
247 item->pf_callback = cb;
251 case VLC_CONFIG_VALUE:
253 if (IsConfigIntegerType (item->i_type))
255 item->orig.i = item->saved.i =
256 item->value.i = va_arg (ap, int);
259 if (IsConfigFloatType (item->i_type))
261 item->orig.f = item->saved.f =
262 item->value.f = va_arg (ap, double);
265 if (IsConfigStringType (item->i_type))
267 const char *value = va_arg (ap, const char *);
268 item->value.psz = value ? strdup (value) : NULL;
269 item->orig.psz = value ? strdup (value) : NULL;
270 item->saved.psz = value ? strdup (value) : NULL;
275 case VLC_CONFIG_RANGE:
277 if (IsConfigIntegerType (item->i_type)
278 || item->i_type == CONFIG_ITEM_MODULE_LIST_CAT
279 || item->i_type == CONFIG_ITEM_MODULE_CAT)
281 item->min.i = va_arg (ap, int);
282 item->max.i = va_arg (ap, int);
285 if (IsConfigFloatType (item->i_type))
287 item->min.f = va_arg (ap, double);
288 item->max.f = va_arg (ap, double);
293 case VLC_CONFIG_ADVANCED:
294 item->b_advanced = true;
297 case VLC_CONFIG_VOLATILE:
298 item->b_unsaveable = true;
301 case VLC_CONFIG_PERSISTENT:
302 item->b_autosave = true;
305 case VLC_CONFIG_RESTART:
306 item->b_restart = true;
309 case VLC_CONFIG_PRIVATE:
310 item->b_internal = true;
313 case VLC_CONFIG_REMOVED:
314 item->b_removed = true;
317 case VLC_CONFIG_CAPABILITY:
319 const char *cap = va_arg (ap, const char *);
320 item->psz_type = cap ? strdup (cap) : NULL;
324 case VLC_CONFIG_SHORTCUT:
325 item->i_short = va_arg (ap, int);
328 case VLC_CONFIG_OLDNAME:
330 const char *oldname = va_arg (ap, const char *);
331 item->psz_oldname = oldname ? strdup (oldname) : NULL;
335 case VLC_CONFIG_SAFE:
339 case VLC_CONFIG_DESC:
341 const char *text = va_arg (ap, const char *);
342 const char *longtext = va_arg (ap, const char *);
344 item->psz_text = text ? strdup (text) : NULL;
345 item->psz_longtext = longtext ? strdup (longtext) : NULL;
349 case VLC_CONFIG_LIST:
351 size_t len = va_arg (ap, size_t);
354 if (IsConfigIntegerType (item->i_type))
356 const int *src = va_arg (ap, const int *);
357 int *dst = malloc (sizeof (int) * (len + 1));
361 memcpy (dst, src, sizeof (int) * len);
367 if (IsConfigStringType (item->i_type))
369 const char *const *src = va_arg (ap, const char *const *);
370 char **dst = malloc (sizeof (char *) * (len + 1));
374 for (size_t i = 0; i < len; i++)
375 dst[i] = src[i] ? strdup (src[i]) : NULL;
378 item->ppsz_list = dst;
383 /* Copy textual descriptions */
384 const char *const *text = va_arg (ap, const char *const *);
387 char **dtext = malloc (sizeof (char *) * (len + 1));
390 for (size_t i = 0; i < len; i++)
391 dtext[i] = text[i] ? strdup (text[i]) : NULL;
394 item->ppsz_list_text = dtext;
397 item->ppsz_list_text = NULL;
400 item->pf_update_list = va_arg (ap, vlc_callback_t);
404 case VLC_CONFIG_ADD_ACTION:
406 vlc_callback_t cb = va_arg (ap, vlc_callback_t), *tabcb;
407 const char *name = va_arg (ap, const char *);
410 tabcb = realloc (item->ppf_action,
411 (item->i_action + 2) * sizeof (cb));
414 item->ppf_action = tabcb;
415 tabcb[item->i_action] = cb;
416 tabcb[item->i_action + 1] = NULL;
418 tabtext = realloc (item->ppsz_action_text,
419 (item->i_action + 2) * sizeof (name));
422 item->ppsz_action_text = tabtext;
425 tabtext[item->i_action] = strdup (name);
427 tabtext[item->i_action] = NULL;
428 tabtext[item->i_action + 1] = NULL;
435 fprintf (stderr, "LibVLC: unknown module property %d\n", propid);
436 fprintf (stderr, "LibVLC: too old to use this module?\n");