1 /*****************************************************************************
2 * modules.h : Module management functions.
3 *****************************************************************************
4 * Copyright (C) 2001 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program 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.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #ifndef LIBVLC_MODULES_H
25 # define LIBVLC_MODULES_H 1
27 typedef struct module_cache_t module_cache_t;
29 /*****************************************************************************
30 * module_bank_t: the module bank
31 *****************************************************************************
32 * This variable is accessed by any function using modules.
33 *****************************************************************************/
34 typedef struct module_bank_t
42 module_cache_t **pp_cache;
45 module_cache_t **pp_loaded_cache;
50 /*****************************************************************************
51 * Module cache description structure
52 *****************************************************************************/
55 /* Mandatory cache entry header */
60 /* Optional extra data */
65 #define MODULE_SHORTCUT_MAX 20
67 /* The module handle type. */
68 #if defined(HAVE_DL_DYLD) && !defined(__x86_64__)
69 # if defined (HAVE_MACH_O_DYLD_H)
70 # include <mach-o/dyld.h>
72 typedef NSModule module_handle_t;
73 #elif defined(HAVE_IMAGE_H)
74 typedef int module_handle_t;
75 #elif defined(WIN32) || defined(UNDER_CE) || defined(__SYMBIAN32__)
76 typedef void * module_handle_t;
77 #elif defined(HAVE_DL_DLOPEN)
78 typedef void * module_handle_t;
79 #elif defined(HAVE_DL_SHL_LOAD)
80 typedef shl_t module_handle_t;
84 * Internal module descriptor
88 char *psz_object_name;
89 gc_object_t vlc_gc_data;
94 unsigned submodule_count;
96 /** Shortcuts to the module */
101 * Variables set by the module to identify itself
103 char *psz_shortname; /**< Module name */
104 char *psz_longname; /**< Module descriptive name */
105 char *psz_help; /**< Long help string for "special" modules */
107 char *psz_capability; /**< Capability */
108 int i_score; /**< Score for the capability */
110 bool b_builtin; /* Set to true if the module is built in */
111 bool b_loaded; /* Set to true if the dll is loaded */
112 bool b_unloadable; /**< Can we be dlclosed? */
119 * Variables set by the module to store its config options
121 module_config_t *p_config; /* Module configuration structure */
122 size_t confsize; /* Number of module_config_t items */
123 unsigned int i_config_items; /* number of configuration items */
124 unsigned int i_bool_items; /* number of bool config items */
127 * Variables used internally by the module manager
129 /* Plugin-specific stuff */
130 module_handle_t handle; /* Unique handle */
131 char * psz_filename; /* Module filename */
132 char * domain; /* gettext domain */
135 module_t *vlc_module_create (void);
136 module_t *vlc_submodule_create (module_t *module);
138 void module_InitBank( vlc_object_t * );
139 #define module_InitBank(a) module_InitBank(VLC_OBJECT(a))
140 void module_LoadPlugins( vlc_object_t * );
141 #define module_LoadPlugins(a) module_LoadPlugins(VLC_OBJECT(a))
142 void module_EndBank( vlc_object_t *, bool );
143 #define module_EndBank(a,b) module_EndBank(VLC_OBJECT(a), b)
145 int vlc_bindtextdomain (const char *);
147 /* Low-level OS-dependent handler */
148 int module_Load (vlc_object_t *, const char *, module_handle_t *);
149 int module_Call (vlc_object_t *obj, module_t *);
150 void module_Unload (module_handle_t);
153 void CacheMerge (vlc_object_t *, module_t *, module_t *);
154 void CacheDelete(vlc_object_t *, const char *);
155 void CacheLoad (vlc_object_t *, module_bank_t *, const char *);
156 void CacheSave (vlc_object_t *, const char *, module_cache_t *const *, size_t);
157 module_cache_t * CacheFind (module_bank_t *, const char *, time_t, off_t);
159 #endif /* !LIBVLC_MODULES_H */